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skia / third_party / poppler / refs/tags/poppler-0.22.2 / . / poppler / Annot.cc
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//========================================================================
//
// Annot.cc
//
// Copyright 2000-2003 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2006 Scott Turner <scotty1024@mac.com>
// Copyright (C) 2007, 2008 Julien Rebetez <julienr@svn.gnome.org>
// Copyright (C) 2007-2012 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2007-2012 Carlos Garcia Campos <carlosgc@gnome.org>
// Copyright (C) 2007, 2008 Iñigo Martínez <inigomartinez@gmail.com>
// Copyright (C) 2007 Jeff Muizelaar <jeff@infidigm.net>
// Copyright (C) 2008, 2011 Pino Toscano <pino@kde.org>
// Copyright (C) 2008 Michael Vrable <mvrable@cs.ucsd.edu>
// Copyright (C) 2008 Hugo Mercier <hmercier31@gmail.com>
// Copyright (C) 2009 Ilya Gorenbein <igorenbein@finjan.com>
// Copyright (C) 2011, 2013 José Aliste <jaliste@src.gnome.org>
// Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
// Copyright (C) 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2012 Tobias Koenig <tokoe@kdab.com>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include <config.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include "goo/gmem.h"
#include "goo/gstrtod.h"
#include "GooList.h"
#include "Error.h"
#include "Object.h"
#include "Catalog.h"
#include "Gfx.h"
#include "Lexer.h"
#include "PDFDoc.h"
#include "Page.h"
#include "Annot.h"
#include "GfxFont.h"
#include "CharCodeToUnicode.h"
#include "PDFDocEncoding.h"
#include "Form.h"
#include "Error.h"
#include "XRef.h"
#include "Movie.h"
#include "OptionalContent.h"
#include "Sound.h"
#include "FileSpec.h"
#include "DateInfo.h"
#include "Link.h"
#include <string.h>
#define fieldFlagReadOnly 0x00000001
#define fieldFlagRequired 0x00000002
#define fieldFlagNoExport 0x00000004
#define fieldFlagMultiline 0x00001000
#define fieldFlagPassword 0x00002000
#define fieldFlagNoToggleToOff 0x00004000
#define fieldFlagRadio 0x00008000
#define fieldFlagPushbutton 0x00010000
#define fieldFlagCombo 0x00020000
#define fieldFlagEdit 0x00040000
#define fieldFlagSort 0x00080000
#define fieldFlagFileSelect 0x00100000
#define fieldFlagMultiSelect 0x00200000
#define fieldFlagDoNotSpellCheck 0x00400000
#define fieldFlagDoNotScroll 0x00800000
#define fieldFlagComb 0x01000000
#define fieldFlagRichText 0x02000000
#define fieldFlagRadiosInUnison 0x02000000
#define fieldFlagCommitOnSelChange 0x04000000
#define fieldQuadLeft 0
#define fieldQuadCenter 1
#define fieldQuadRight 2
// distance of Bezier control point from center for circle approximation
// = (4 * (sqrt(2) - 1) / 3) * r
#define bezierCircle 0.55228475
AnnotLineEndingStyle parseAnnotLineEndingStyle(GooString *string) {
if (string != NULL) {
if (!string->cmp("Square")) {
return annotLineEndingSquare;
} else if (!string->cmp("Circle")) {
return annotLineEndingCircle;
} else if (!string->cmp("Diamond")) {
return annotLineEndingDiamond;
} else if (!string->cmp("OpenArrow")) {
return annotLineEndingOpenArrow;
} else if (!string->cmp("ClosedArrow")) {
return annotLineEndingClosedArrow;
} else if (!string->cmp("Butt")) {
return annotLineEndingButt;
} else if (!string->cmp("ROpenArrow")) {
return annotLineEndingROpenArrow;
} else if (!string->cmp("RClosedArrow")) {
return annotLineEndingRClosedArrow;
} else if (!string->cmp("Slash")) {
return annotLineEndingSlash;
} else {
return annotLineEndingNone;
}
} else {
return annotLineEndingNone;
}
}
const char* convertAnnotLineEndingStyle(AnnotLineEndingStyle style) {
switch (style) {
case annotLineEndingSquare:
return "Square";
case annotLineEndingCircle:
return "Circle";
case annotLineEndingDiamond:
return "Diamond";
case annotLineEndingOpenArrow:
return "OpenArrow";
case annotLineEndingClosedArrow:
return "ClosedArrow";
case annotLineEndingButt:
return "Butt";
case annotLineEndingROpenArrow:
return "ROpenArrow";
case annotLineEndingRClosedArrow:
return "RClosedArrow";
case annotLineEndingSlash:
return "Slash";
default:
return "None";
}
}
static AnnotExternalDataType parseAnnotExternalData(Dict* dict) {
Object obj1;
AnnotExternalDataType type;
if (dict->lookup("Subtype", &obj1)->isName()) {
const char *typeName = obj1.getName();
if (!strcmp(typeName, "Markup3D")) {
type = annotExternalDataMarkup3D;
} else {
type = annotExternalDataMarkupUnknown;
}
} else {
type = annotExternalDataMarkupUnknown;
}
obj1.free();
return type;
}
PDFRectangle *parseDiffRectangle(Array *array, PDFRectangle *rect) {
PDFRectangle *newRect = NULL;
if (array->getLength() == 4) {
// deltas
Object obj1;
double dx1 = (array->get(0, &obj1)->isNum() ? obj1.getNum() : 0);
obj1.free();
double dy1 = (array->get(1, &obj1)->isNum() ? obj1.getNum() : 0);
obj1.free();
double dx2 = (array->get(2, &obj1)->isNum() ? obj1.getNum() : 0);
obj1.free();
double dy2 = (array->get(3, &obj1)->isNum() ? obj1.getNum() : 0);
obj1.free();
// checking that the numbers are valid (i.e. >= 0),
// and that applying the differences still give us a valid rect
if (dx1 >= 0 && dy1 >= 0 && dx2 >= 0 && dy2
&& (rect->x2 - rect->x1 - dx1 - dx2) >= 0
&& (rect->y2 - rect->y1 - dy1 - dy2) >= 0) {
newRect = new PDFRectangle();
newRect->x1 = rect->x1 + dx1;
newRect->y1 = rect->y1 + dy1;
newRect->x2 = rect->x2 - dx2;
newRect->y2 = rect->y2 - dy2;
}
}
return newRect;
}
static LinkAction* getAdditionalAction(Annot::AdditionalActionsType type, Object *additionalActions, PDFDoc *doc) {
Object additionalActionsObject;
LinkAction *linkAction = NULL;
if (additionalActions->fetch(doc->getXRef(), &additionalActionsObject)->isDict()) {
const char *key = (type == Annot::actionCursorEntering ? "E" :
type == Annot::actionCursorLeaving ? "X" :
type == Annot::actionMousePressed ? "D" :
type == Annot::actionMouseReleased ? "U" :
type == Annot::actionFocusIn ? "Fo" :
type == Annot::actionFocusOut ? "BI" :
type == Annot::actionPageOpening ? "PO" :
type == Annot::actionPageClosing ? "PC" :
type == Annot::actionPageVisible ? "PV" :
type == Annot::actionPageInvisible ? "PI" : NULL);
Object actionObject;
if (additionalActionsObject.dictLookup(key, &actionObject)->isDict())
linkAction = LinkAction::parseAction(&actionObject, doc->getCatalog()->getBaseURI());
actionObject.free();
}
additionalActionsObject.free();
return linkAction;
}
//------------------------------------------------------------------------
// AnnotBorderEffect
//------------------------------------------------------------------------
AnnotBorderEffect::AnnotBorderEffect(Dict *dict) {
Object obj1;
if (dict->lookup("S", &obj1)->isName()) {
const char *effectName = obj1.getName();
if (!strcmp(effectName, "C"))
effectType = borderEffectCloudy;
else
effectType = borderEffectNoEffect;
} else {
effectType = borderEffectNoEffect;
}
obj1.free();
if ((dict->lookup("I", &obj1)->isNum()) && effectType == borderEffectCloudy) {
intensity = obj1.getNum();
} else {
intensity = 0;
}
obj1.free();
}
//------------------------------------------------------------------------
// AnnotPath
//------------------------------------------------------------------------
AnnotPath::AnnotPath() {
coords = NULL;
coordsLength = 0;
}
AnnotPath::AnnotPath(Array *array) {
coords = NULL;
coordsLength = 0;
parsePathArray(array);
}
AnnotPath::AnnotPath(AnnotCoord **coords, int coordsLength) {
this->coords = coords;
this->coordsLength = coordsLength;
}
AnnotPath::~AnnotPath() {
if (coords) {
for (int i = 0; i < coordsLength; ++i)
delete coords[i];
gfree(coords);
}
}
double AnnotPath::getX(int coord) const {
if (coord >= 0 && coord < coordsLength)
return coords[coord]->getX();
return 0;
}
double AnnotPath::getY(int coord) const {
if (coord >= 0 && coord < coordsLength)
return coords[coord]->getY();
return 0;
}
AnnotCoord *AnnotPath::getCoord(int coord) const {
if (coord >= 0 && coord < coordsLength)
return coords[coord];
return NULL;
}
void AnnotPath::parsePathArray(Array *array) {
int tempLength;
AnnotCoord **tempCoords;
GBool correct = gTrue;
if (array->getLength() % 2) {
error(errSyntaxError, -1, "Bad Annot Path");
return;
}
tempLength = array->getLength() / 2;
tempCoords = (AnnotCoord **) gmallocn (tempLength, sizeof(AnnotCoord *));
memset(tempCoords, 0, tempLength * sizeof(AnnotCoord *));
for (int i = 0; i < tempLength && correct; i++) {
Object obj1;
double x = 0, y = 0;
if (array->get(i * 2, &obj1)->isNum()) {
x = obj1.getNum();
} else {
correct = gFalse;
}
obj1.free();
if (array->get((i * 2) + 1, &obj1)->isNum()) {
y = obj1.getNum();
} else {
correct = gFalse;
}
obj1.free();
if (!correct) {
for (int j = i - 1; j >= 0; j--)
delete tempCoords[j];
gfree (tempCoords);
return;
}
tempCoords[i] = new AnnotCoord(x, y);
}
coords = tempCoords;
coordsLength = tempLength;
}
//------------------------------------------------------------------------
// AnnotCalloutLine
//------------------------------------------------------------------------
AnnotCalloutLine::AnnotCalloutLine(double x1, double y1, double x2, double y2)
: coord1(x1, y1), coord2(x2, y2) {
}
//------------------------------------------------------------------------
// AnnotCalloutMultiLine
//------------------------------------------------------------------------
AnnotCalloutMultiLine::AnnotCalloutMultiLine(double x1, double y1, double x2,
double y2, double x3, double y3)
: AnnotCalloutLine(x1, y1, x2, y2), coord3(x3, y3) {
}
//------------------------------------------------------------------------
// AnnotQuadrilateral
//------------------------------------------------------------------------
AnnotQuadrilaterals::AnnotQuadrilaterals(Array *array, PDFRectangle *rect) {
int arrayLength = array->getLength();
GBool correct = gTrue;
int quadsLength = 0;
AnnotQuadrilateral **quads;
double quadArray[8];
// default values
quadrilaterals = NULL;
quadrilateralsLength = 0;
if ((arrayLength % 8) == 0) {
int i;
quadsLength = arrayLength / 8;
quads = (AnnotQuadrilateral **) gmallocn
((quadsLength), sizeof(AnnotQuadrilateral *));
memset(quads, 0, quadsLength * sizeof(AnnotQuadrilateral *));
for (i = 0; i < quadsLength; i++) {
for (int j = 0; j < 8; j++) {
Object obj;
if (array->get(i * 8 + j, &obj)->isNum()) {
quadArray[j] = obj.getNum();
} else {
correct = gFalse;
obj.free();
error (errSyntaxError, -1, "Invalid QuadPoint in annot");
break;
}
obj.free();
}
if (!correct)
break;
quads[i] = new AnnotQuadrilateral(quadArray[0], quadArray[1],
quadArray[2], quadArray[3],
quadArray[4], quadArray[5],
quadArray[6], quadArray[7]);
}
if (correct) {
quadrilateralsLength = quadsLength;
quadrilaterals = quads;
} else {
for (int j = 0; j < i; j++)
delete quads[j];
gfree (quads);
}
}
}
AnnotQuadrilaterals::AnnotQuadrilaterals(AnnotQuadrilaterals::AnnotQuadrilateral **quads, int quadsLength) {
quadrilaterals = quads;
quadrilateralsLength = quadsLength;
}
AnnotQuadrilaterals::~AnnotQuadrilaterals() {
if (quadrilaterals) {
for(int i = 0; i < quadrilateralsLength; i++)
delete quadrilaterals[i];
gfree (quadrilaterals);
}
}
double AnnotQuadrilaterals::getX1(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord1.getX();
return 0;
}
double AnnotQuadrilaterals::getY1(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord1.getY();
return 0;
}
double AnnotQuadrilaterals::getX2(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord2.getX();
return 0;
}
double AnnotQuadrilaterals::getY2(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord2.getY();
return 0;
}
double AnnotQuadrilaterals::getX3(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord3.getX();
return 0;
}
double AnnotQuadrilaterals::getY3(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord3.getY();
return 0;
}
double AnnotQuadrilaterals::getX4(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord4.getX();
return 0;
}
double AnnotQuadrilaterals::getY4(int quadrilateral) {
if (quadrilateral >= 0 && quadrilateral < quadrilateralsLength)
return quadrilaterals[quadrilateral]->coord4.getY();
return 0;
}
AnnotQuadrilaterals::AnnotQuadrilateral::AnnotQuadrilateral(double x1, double y1,
double x2, double y2, double x3, double y3, double x4, double y4)
: coord1(x1, y1), coord2(x2, y2), coord3(x3, y3), coord4(x4, y4) {
}
//------------------------------------------------------------------------
// AnnotBorder
//------------------------------------------------------------------------
AnnotBorder::AnnotBorder() {
type = typeUnknown;
width = 1;
dashLength = 0;
dash = NULL;
style = borderSolid;
}
GBool AnnotBorder::parseDashArray(Object *dashObj) {
GBool correct = gTrue;
int tempLength = dashObj->arrayGetLength();
double *tempDash = (double *) gmallocn (tempLength, sizeof (double));
// TODO: check not all zero (Line Dash Pattern Page 217 PDF 8.1)
for (int i = 0; i < tempLength && i < DASH_LIMIT && correct; i++) {
Object obj1;
if (dashObj->arrayGet(i, &obj1)->isNum()) {
tempDash[i] = obj1.getNum();
correct = tempDash[i] >= 0;
obj1.free();
}
}
if (correct) {
dashLength = tempLength;
dash = tempDash;
style = borderDashed;
} else {
gfree (tempDash);
}
return correct;
}
AnnotBorder::~AnnotBorder() {
if (dash)
gfree (dash);
}
//------------------------------------------------------------------------
// AnnotBorderArray
//------------------------------------------------------------------------
AnnotBorderArray::AnnotBorderArray() {
type = typeArray;
horizontalCorner = 0;
verticalCorner = 0;
}
AnnotBorderArray::AnnotBorderArray(Array *array) {
Object obj1;
int arrayLength = array->getLength();
GBool correct = gTrue;
if (arrayLength == 3 || arrayLength == 4) {
// implementation note 81 in Appendix H.
if (array->get(0, &obj1)->isNum())
horizontalCorner = obj1.getNum();
else
correct = gFalse;
obj1.free();
if (array->get(1, &obj1)->isNum())
verticalCorner = obj1.getNum();
else
correct = gFalse;
obj1.free();
if (array->get(2, &obj1)->isNum())
width = obj1.getNum();
else
correct = gFalse;
obj1.free();
if (arrayLength == 4) {
if (array->get(3, &obj1)->isArray())
correct = parseDashArray(&obj1);
else
correct = gFalse;
obj1.free();
}
} else {
correct = gFalse;
}
if (!correct) {
width = 0;
}
}
void AnnotBorderArray::writeToObject(XRef *xref, Object *obj1) const {
Object obj2;
obj1->initArray(xref);
obj1->arrayAdd(obj2.initReal( horizontalCorner ));
obj1->arrayAdd(obj2.initReal( verticalCorner ));
obj1->arrayAdd(obj2.initReal( width ));
// TODO: Dash array
}
//------------------------------------------------------------------------
// AnnotBorderBS
//------------------------------------------------------------------------
AnnotBorderBS::AnnotBorderBS() {
type = typeBS;
}
AnnotBorderBS::AnnotBorderBS(Dict *dict) {
Object obj1, obj2;
// acroread 8 seems to need both W and S entries for
// any border to be drawn, even though the spec
// doesn't claim anything of that sort. We follow
// that behaviour by veryifying both entries exist
// otherwise we set the borderWidth to 0
// --jrmuizel
dict->lookup("W", &obj1);
dict->lookup("S", &obj2);
if (obj1.isNum() && obj2.isName()) {
const char *styleName = obj2.getName();
width = obj1.getNum();
if (!strcmp(styleName, "S")) {
style = borderSolid;
} else if (!strcmp(styleName, "D")) {
style = borderDashed;
} else if (!strcmp(styleName, "B")) {
style = borderBeveled;
} else if (!strcmp(styleName, "I")) {
style = borderInset;
} else if (!strcmp(styleName, "U")) {
style = borderUnderlined;
} else {
style = borderSolid;
}
} else {
width = 0;
}
obj2.free();
obj1.free();
if (style == borderDashed) {
if (dict->lookup("D", &obj1)->isArray())
parseDashArray(&obj1);
obj1.free();
if (!dash) {
dashLength = 1;
dash = (double *) gmallocn (dashLength, sizeof (double));
dash[0] = 3;
}
}
}
//------------------------------------------------------------------------
// AnnotColor
//------------------------------------------------------------------------
AnnotColor::AnnotColor() {
length = 0;
}
AnnotColor::AnnotColor(double gray) {
length = 1;
values[0] = gray;
}
AnnotColor::AnnotColor(double r, double g, double b) {
length = 3;
values[0] = r;
values[1] = g;
values[2] = b;
}
AnnotColor::AnnotColor(double c, double m, double y, double k) {
length = 4;
values[0] = c;
values[1] = m;
values[2] = y;
values[3] = k;
}
// If <adjust> is +1, color is brightened;
// if <adjust> is -1, color is darkened;
// otherwise color is not modified.
AnnotColor::AnnotColor(Array *array, int adjust) {
int i;
length = array->getLength();
if (length > 4)
length = 4;
for (i = 0; i < length; i++) {
Object obj1;
if (array->get(i, &obj1)->isNum()) {
values[i] = obj1.getNum();
if (values[i] < 0 || values[i] > 1)
values[i] = 0;
} else {
values[i] = 0;
}
obj1.free();
}
if (adjust != 0)
adjustColor(adjust);
}
void AnnotColor::adjustColor(int adjust) {
int i;
if (length == 4) {
adjust = -adjust;
}
if (adjust > 0) {
for (i = 0; i < length; ++i) {
values[i] = 0.5 * values[i] + 0.5;
}
} else if (adjust < 0) {
for (i = 0; i < length; ++i) {
values[i] = 0.5 * values[i];
}
}
}
void AnnotColor::writeToObject(XRef *xref, Object *obj1) const {
Object obj2;
int i;
if (length == 0) {
obj1->initNull(); // Transparent (no color)
} else {
obj1->initArray(xref);
for (i = 0; i < length; ++i)
obj1->arrayAdd( obj2.initReal( values[i] ) );
}
}
//------------------------------------------------------------------------
// AnnotIconFit
//------------------------------------------------------------------------
AnnotIconFit::AnnotIconFit(Dict* dict) {
Object obj1;
if (dict->lookup("SW", &obj1)->isName()) {
const char *scaleName = obj1.getName();
if(!strcmp(scaleName, "B")) {
scaleWhen = scaleBigger;
} else if(!strcmp(scaleName, "S")) {
scaleWhen = scaleSmaller;
} else if(!strcmp(scaleName, "N")) {
scaleWhen = scaleNever;
} else {
scaleWhen = scaleAlways;
}
} else {
scaleWhen = scaleAlways;
}
obj1.free();
if (dict->lookup("S", &obj1)->isName()) {
const char *scaleName = obj1.getName();
if(!strcmp(scaleName, "A")) {
scale = scaleAnamorphic;
} else {
scale = scaleProportional;
}
} else {
scale = scaleProportional;
}
obj1.free();
if (dict->lookup("A", &obj1)->isArray() && obj1.arrayGetLength() == 2) {
Object obj2;
(obj1.arrayGet(0, &obj2)->isNum() ? left = obj2.getNum() : left = 0);
obj2.free();
(obj1.arrayGet(1, &obj2)->isNum() ? bottom = obj2.getNum() : bottom = 0);
obj2.free();
if (left < 0 || left > 1)
left = 0.5;
if (bottom < 0 || bottom > 1)
bottom = 0.5;
} else {
left = bottom = 0.5;
}
obj1.free();
if (dict->lookup("FB", &obj1)->isBool()) {
fullyBounds = obj1.getBool();
} else {
fullyBounds = gFalse;
}
obj1.free();
}
//------------------------------------------------------------------------
// AnnotAppearance
//------------------------------------------------------------------------
AnnotAppearance::AnnotAppearance(PDFDoc *docA, Object *dict) {
assert(dict->isDict());
doc = docA;
xref = docA->getXRef();
dict->copy(&appearDict);
}
AnnotAppearance::~AnnotAppearance() {
appearDict.free();
}
void AnnotAppearance::getAppearanceStream(AnnotAppearanceType type, const char *state, Object *dest) {
Object apData, stream;
apData.initNull();
// Obtain dictionary or stream associated to appearance type
switch (type) {
case appearRollover:
if (appearDict.dictLookupNF("R", &apData)->isNull())
appearDict.dictLookupNF("N", &apData);
break;
case appearDown:
if (appearDict.dictLookupNF("D", &apData)->isNull())
appearDict.dictLookupNF("N", &apData);
break;
case appearNormal:
appearDict.dictLookupNF("N", &apData);
break;
}
dest->initNull();
if (apData.isDict() && state)
apData.dictLookupNF(state, dest);
else if (apData.isRef())
apData.copy(dest);
apData.free();
}
GooString * AnnotAppearance::getStateKey(int i) {
Object obj1;
GooString * res = NULL;
if (appearDict.dictLookupNF("N", &obj1)->isDict())
res = new GooString(obj1.dictGetKey(i));
obj1.free();
return res;
}
int AnnotAppearance::getNumStates() {
Object obj1;
int res = 0;
if (appearDict.dictLookupNF("N", &obj1)->isDict())
res = obj1.dictGetLength();
obj1.free();
return res;
}
// Test if stateObj (a Ref or a Dict) points to the specified stream
GBool AnnotAppearance::referencesStream(Object *stateObj, Ref refToStream) {
if (stateObj->isRef()) {
Ref r = stateObj->getRef();
if (r.num == refToStream.num && r.gen == refToStream.gen) {
return gTrue;
}
} else if (stateObj->isDict()) { // Test each value
const int size = stateObj->dictGetLength();
for (int i = 0; i < size; ++i) {
Object obj1;
stateObj->dictGetValNF(i, &obj1);
if (obj1.isRef()) {
Ref r = obj1.getRef();
if (r.num == refToStream.num && r.gen == refToStream.gen) {
return gTrue;
}
}
obj1.free();
}
}
return gFalse; // Not found
}
// Test if this AnnotAppearance references the specified stream
GBool AnnotAppearance::referencesStream(Ref refToStream) {
Object obj1;
GBool found;
// Scan each state's ref/subdictionary
appearDict.dictLookupNF("N", &obj1);
found = referencesStream(&obj1, refToStream);
obj1.free();
if (found)
return gTrue;
appearDict.dictLookupNF("R", &obj1);
found = referencesStream(&obj1, refToStream);
obj1.free();
if (found)
return gTrue;
appearDict.dictLookupNF("D", &obj1);
found = referencesStream(&obj1, refToStream);
obj1.free();
return found;
}
// If this is the only annotation in the document that references the
// specified appearance stream, remove the appearance stream
void AnnotAppearance::removeStream(Ref refToStream) {
const int lastpage = doc->getNumPages();
for (int pg = 1; pg <= lastpage; ++pg) { // Scan all annotations in the document
Page *page = doc->getPage(pg);
if (!page) {
error(errSyntaxError, -1, "Failed check for shared annotation stream at page {0:d}", pg);
continue;
}
Annots *annots = page->getAnnots();
for (int i = 0; i < annots->getNumAnnots(); ++i) {
AnnotAppearance *annotAp = annots->getAnnot(i)->getAppearStreams();
if (annotAp && annotAp != this && annotAp->referencesStream(refToStream)) {
return; // Another annotation points to the stream -> Don't delete it
}
}
}
// TODO: stream resources (e.g. font), AP name tree
xref->removeIndirectObject(refToStream);
}
// Removes stream if obj is a Ref, or removes pointed streams if obj is a Dict
void AnnotAppearance::removeStateStreams(Object *obj1) {
if (obj1->isRef()) {
removeStream(obj1->getRef());
} else if (obj1->isDict()) {
const int size = obj1->dictGetLength();
for (int i = 0; i < size; ++i) {
Object obj2;
obj1->dictGetValNF(i, &obj2);
if (obj2.isRef()) {
removeStream(obj2.getRef());
}
obj2.free();
}
}
}
void AnnotAppearance::removeAllStreams() {
Object obj1;
appearDict.dictLookupNF("N", &obj1);
removeStateStreams(&obj1);
obj1.free();
appearDict.dictLookupNF("R", &obj1);
removeStateStreams(&obj1);
obj1.free();
appearDict.dictLookupNF("D", &obj1);
removeStateStreams(&obj1);
obj1.free();
}
//------------------------------------------------------------------------
// AnnotAppearanceCharacs
//------------------------------------------------------------------------
AnnotAppearanceCharacs::AnnotAppearanceCharacs(Dict *dict) {
Object obj1;
if (dict->lookup("R", &obj1)->isInt()) {
rotation = obj1.getInt();
} else {
rotation = 0;
}
obj1.free();
if (dict->lookup("BC", &obj1)->isArray()) {
borderColor = new AnnotColor(obj1.getArray());
} else {
borderColor = NULL;
}
obj1.free();
if (dict->lookup("BG", &obj1)->isArray()) {
backColor = new AnnotColor(obj1.getArray());
} else {
backColor = NULL;
}
obj1.free();
if (dict->lookup("CA", &obj1)->isString()) {
normalCaption = new GooString(obj1.getString());
} else {
normalCaption = NULL;
}
obj1.free();
if (dict->lookup("RC", &obj1)->isString()) {
rolloverCaption = new GooString(obj1.getString());
} else {
rolloverCaption = NULL;
}
obj1.free();
if (dict->lookup("AC", &obj1)->isString()) {
alternateCaption = new GooString(obj1.getString());
} else {
alternateCaption = NULL;
}
obj1.free();
if (dict->lookup("IF", &obj1)->isDict()) {
iconFit = new AnnotIconFit(obj1.getDict());
} else {
iconFit = NULL;
}
obj1.free();
if (dict->lookup("TP", &obj1)->isInt()) {
position = (AnnotAppearanceCharacsTextPos) obj1.getInt();
} else {
position = captionNoIcon;
}
obj1.free();
}
AnnotAppearanceCharacs::~AnnotAppearanceCharacs() {
if (borderColor)
delete borderColor;
if (backColor)
delete backColor;
if (normalCaption)
delete normalCaption;
if (rolloverCaption)
delete rolloverCaption;
if (alternateCaption)
delete alternateCaption;
if (iconFit)
delete iconFit;
}
//------------------------------------------------------------------------
// AnnotAppearanceBBox
//------------------------------------------------------------------------
AnnotAppearanceBBox::AnnotAppearanceBBox(PDFRectangle *rect) {
origX = rect->x1;
origY = rect->y1;
borderWidth = 0;
// Initially set the same size as rect
minX = 0;
minY = 0;
maxX = rect->x2 - rect->x1;
maxY = rect->y2 - rect->y1;
}
void AnnotAppearanceBBox::extendTo(double x, double y) {
if (x < minX) {
minX = x;
} else if (x > maxX) {
maxX = x;
}
if (y < minY) {
minY = y;
} else if (y > maxY) {
maxY = y;
}
}
void AnnotAppearanceBBox::getBBoxRect(double bbox[4]) const {
Object obj2;
bbox[0] = minX - borderWidth;
bbox[1] = minY - borderWidth;
bbox[2] = maxX + borderWidth;
bbox[3] = maxY + borderWidth;
}
double AnnotAppearanceBBox::getPageXMin() const {
return origX + minX - borderWidth;
}
double AnnotAppearanceBBox::getPageYMin() const {
return origY + minY - borderWidth;
}
double AnnotAppearanceBBox::getPageXMax() const {
return origX + maxX + borderWidth;
}
double AnnotAppearanceBBox::getPageYMax() const {
return origY + maxY + borderWidth;
}
//------------------------------------------------------------------------
// Annot
//------------------------------------------------------------------------
Annot::Annot(PDFDoc *docA, PDFRectangle *rectA) {
Object obj1;
refCnt = 1;
flags = flagUnknown;
type = typeUnknown;
obj1.initArray (docA->getXRef());
Object obj2;
obj1.arrayAdd (obj2.initReal (rectA->x1));
obj1.arrayAdd (obj2.initReal (rectA->y1));
obj1.arrayAdd (obj2.initReal (rectA->x2));
obj1.arrayAdd (obj2.initReal (rectA->y2));
obj2.free ();
annotObj.initDict (docA->getXRef());
annotObj.dictSet ("Type", obj2.initName ("Annot"));
annotObj.dictSet ("Rect", &obj1);
// obj1 is owned by the dict
ref = docA->getXRef()->addIndirectObject (&annotObj);
initialize (docA, annotObj.getDict());
}
Annot::Annot(PDFDoc *docA, Dict *dict) {
refCnt = 1;
hasRef = false;
flags = flagUnknown;
type = typeUnknown;
annotObj.initDict (dict);
initialize (docA, dict);
}
Annot::Annot(PDFDoc *docA, Dict *dict, Object *obj) {
refCnt = 1;
if (obj->isRef()) {
hasRef = gTrue;
ref = obj->getRef();
} else {
hasRef = gFalse;
}
flags = flagUnknown;
type = typeUnknown;
annotObj.initDict (dict);
initialize (docA, dict);
}
void Annot::initialize(PDFDoc *docA, Dict *dict) {
Object apObj, asObj, obj1, obj2;
ok = gTrue;
doc = docA;
xref = doc->getXRef();
appearStreams = NULL;
appearBBox = NULL;
appearState = NULL;
appearBuf = NULL;
fontSize = 0;
appearance.initNull();
//----- parse the rectangle
rect = new PDFRectangle();
if (dict->lookup("Rect", &obj1)->isArray() && obj1.arrayGetLength() == 4) {
Object obj2;
(obj1.arrayGet(0, &obj2)->isNum() ? rect->x1 = obj2.getNum() : rect->x1 = 0);
obj2.free();
(obj1.arrayGet(1, &obj2)->isNum() ? rect->y1 = obj2.getNum() : rect->y1 = 0);
obj2.free();
(obj1.arrayGet(2, &obj2)->isNum() ? rect->x2 = obj2.getNum() : rect->x2 = 1);
obj2.free();
(obj1.arrayGet(3, &obj2)->isNum() ? rect->y2 = obj2.getNum() : rect->y2 = 1);
obj2.free();
if (rect->x1 > rect->x2) {
double t = rect->x1;
rect->x1 = rect->x2;
rect->x2 = t;
}
if (rect->y1 > rect->y2) {
double t = rect->y1;
rect->y1 = rect->y2;
rect->y2 = t;
}
} else {
rect->x1 = rect->y1 = 0;
rect->x2 = rect->y2 = 1;
error(errSyntaxError, -1, "Bad bounding box for annotation");
ok = gFalse;
}
obj1.free();
if (dict->lookup("Contents", &obj1)->isString()) {
contents = obj1.getString()->copy();
} else {
contents = NULL;
}
obj1.free();
// Note: This value is overwritten by Annots ctor
if (dict->lookupNF("P", &obj1)->isRef()) {
Ref ref = obj1.getRef();
page = doc->getCatalog()->findPage (ref.num, ref.gen);
} else {
page = 0;
}
obj1.free();
if (dict->lookup("NM", &obj1)->isString()) {
name = obj1.getString()->copy();
} else {
name = NULL;
}
obj1.free();
if (dict->lookup("M", &obj1)->isString()) {
modified = obj1.getString()->copy();
} else {
modified = NULL;
}
obj1.free();
//----- get the flags
if (dict->lookup("F", &obj1)->isInt()) {
flags |= obj1.getInt();
} else {
flags = flagUnknown;
}
obj1.free();
//----- get the annotation appearance dictionary
dict->lookup("AP", &apObj);
if (apObj.isDict()) {
appearStreams = new AnnotAppearance(doc, &apObj);
}
apObj.free();
//----- get the appearance state
dict->lookup("AS", &asObj);
if (asObj.isName()) {
appearState = new GooString(asObj.getName());
} else if (appearStreams && appearStreams->getNumStates() != 0) {
error (errSyntaxError, -1, "Invalid or missing AS value in annotation containing one or more appearance subdictionaries");
// AS value is required in this case, but if the
// N dictionary contains only one entry
// take it as default appearance.
if (appearStreams->getNumStates() == 1) {
appearState = appearStreams->getStateKey(0);
}
}
if (!appearState) {
appearState = new GooString("Off");
}
asObj.free();
//----- get the annotation appearance
if (appearStreams) {
appearStreams->getAppearanceStream(AnnotAppearance::appearNormal, appearState->getCString(), &appearance);
}
//----- parse the border style
if (dict->lookup("BS", &obj1)->isDict()) {
border = new AnnotBorderBS(obj1.getDict());
} else {
obj1.free();
if (dict->lookup("Border", &obj1)->isArray())
border = new AnnotBorderArray(obj1.getArray());
else
// Adobe draws no border at all if the last element is of
// the wrong type.
border = NULL;
}
obj1.free();
if (dict->lookup("C", &obj1)->isArray()) {
color = new AnnotColor(obj1.getArray());
} else {
color = NULL;
}
obj1.free();
if (dict->lookup("StructParent", &obj1)->isInt()) {
treeKey = obj1.getInt();
} else {
treeKey = 0;
}
obj1.free();
dict->lookupNF("OC", &oc);
}
void Annot::getRect(double *x1, double *y1, double *x2, double *y2) const {
*x1 = rect->x1;
*y1 = rect->y1;
*x2 = rect->x2;
*y2 = rect->y2;
}
void Annot::setRect(PDFRectangle *rect) {
setRect(rect->x1, rect->y1, rect->x2, rect->y2);
}
void Annot::setRect(double x1, double y1, double x2, double y2) {
Object obj1, obj2;
if (x1 < x2) {
rect->x1 = x1;
rect->x2 = x2;
} else {
rect->x1 = x2;
rect->x2 = x1;
}
if (y1 < y2) {
rect->y1 = y1;
rect->y2 = y2;
} else {
rect->y1 = y2;
rect->y2 = y1;
}
obj1.initArray (xref);
obj1.arrayAdd (obj2.initReal (rect->x1));
obj1.arrayAdd (obj2.initReal (rect->y1));
obj1.arrayAdd (obj2.initReal (rect->x2));
obj1.arrayAdd (obj2.initReal (rect->y2));
update("Rect", &obj1);
}
GBool Annot::inRect(double x, double y) const {
return rect->contains(x, y);
}
void Annot::update(const char *key, Object *value) {
/* Set M to current time, unless we are updating M itself */
if (strcmp(key, "M") != 0) {
delete modified;
modified = timeToDateString(NULL);
Object obj1;
obj1.initString (modified->copy());
annotObj.dictSet("M", &obj1);
}
annotObj.dictSet(const_cast<char*>(key), value);
xref->setModifiedObject(&annotObj, ref);
}
void Annot::setContents(GooString *new_content) {
delete contents;
if (new_content) {
contents = new GooString(new_content);
//append the unicode marker <FE FF> if needed
if (!contents->hasUnicodeMarker()) {
contents->insert(0, 0xff);
contents->insert(0, 0xfe);
}
} else {
contents = new GooString();
}
Object obj1;
obj1.initString(contents->copy());
update ("Contents", &obj1);
}
void Annot::setName(GooString *new_name) {
delete name;
if (new_name) {
name = new GooString(new_name);
} else {
name = new GooString();
}
Object obj1;
obj1.initString(name->copy());
update ("NM", &obj1);
}
void Annot::setModified(GooString *new_modified) {
delete modified;
if (new_modified)
modified = new GooString(new_modified);
else
modified = new GooString();
Object obj1;
obj1.initString(modified->copy());
update ("M", &obj1);
}
void Annot::setFlags(Guint new_flags) {
Object obj1;
flags = new_flags;
obj1.initInt(flags);
update ("F", &obj1);
}
void Annot::setBorder(AnnotBorderArray *new_border) {
delete border;
if (new_border) {
Object obj1;
new_border->writeToObject(xref, &obj1);
update ("Border", &obj1);
border = new_border;
} else {
border = NULL;
}
}
void Annot::setColor(AnnotColor *new_color) {
delete color;
if (new_color) {
Object obj1;
new_color->writeToObject(xref, &obj1);
update ("C", &obj1);
color = new_color;
} else {
color = NULL;
}
}
void Annot::setPage(int pageIndex, GBool updateP) {
Page *pageobj = doc->getPage(pageIndex);
Object obj1;
if (pageobj) {
Ref pageRef = pageobj->getRef();
obj1.initRef(pageRef.num, pageRef.gen);
page = pageIndex;
} else {
obj1.initNull();
page = 0;
}
if (updateP) {
update("P", &obj1);
}
}
void Annot::setAppearanceState(const char *state) {
if (!state)
return;
delete appearState;
appearState = new GooString(state);
delete appearBBox;
appearBBox = NULL;
Object obj1;
obj1.initName(state);
update ("AS", &obj1);
// The appearance state determines the current appearance stream
appearance.free();
if (appearStreams) {
appearStreams->getAppearanceStream(AnnotAppearance::appearNormal, appearState->getCString(), &appearance);
} else {
appearance.initNull();
}
}
void Annot::invalidateAppearance() {
if (appearStreams) { // Remove existing appearance streams
appearStreams->removeAllStreams();
}
delete appearStreams;
appearStreams = NULL;
setAppearanceState("Off"); // Default appearance state
Object obj1;
obj1.initNull();
update ("AP", &obj1); // Remove AP
update ("AS", &obj1); // Remove AS
}
double Annot::getXMin() {
return rect->x1;
}
double Annot::getYMin() {
return rect->y1;
}
void Annot::readArrayNum(Object *pdfArray, int key, double *value) {
Object valueObject;
pdfArray->arrayGet(key, &valueObject);
if (valueObject.isNum()) {
*value = valueObject.getNum();
} else {
*value = 0;
ok = gFalse;
}
valueObject.free();
}
void Annot::removeReferencedObjects() {
// Remove appearance streams (if any)
invalidateAppearance();
}
void Annot::incRefCnt() {
refCnt++;
}
void Annot::decRefCnt() {
if (--refCnt == 0)
delete this;
}
Annot::~Annot() {
annotObj.free();
delete rect;
if (contents)
delete contents;
if (name)
delete name;
if (modified)
delete modified;
delete appearStreams;
delete appearBBox;
appearance.free();
if (appearState)
delete appearState;
if (border)
delete border;
if (color)
delete color;
oc.free();
}
void Annot::setColor(AnnotColor *color, GBool fill) {
const double *values = color->getValues();
switch (color->getSpace()) {
case AnnotColor::colorCMYK:
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:c}\n",
values[0], values[1], values[2], values[3],
fill ? 'k' : 'K');
break;
case AnnotColor::colorRGB:
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:s}\n",
values[0], values[1], values[2],
fill ? "rg" : "RG");
break;
case AnnotColor::colorGray:
appearBuf->appendf("{0:.2f} {1:c}\n",
values[0],
fill ? 'g' : 'G');
break;
case AnnotColor::colorTransparent:
default:
break;
}
}
// Draw an (approximate) circle of radius <r> centered at (<cx>, <cy>).
// If <fill> is true, the circle is filled; otherwise it is stroked.
void Annot::drawCircle(double cx, double cy, double r, GBool fill) {
appearBuf->appendf("{0:.2f} {1:.2f} m\n",
cx + r, cy);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx + r, cy + bezierCircle * r,
cx + bezierCircle * r, cy + r,
cx, cy + r);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx - bezierCircle * r, cy + r,
cx - r, cy + bezierCircle * r,
cx - r, cy);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx - r, cy - bezierCircle * r,
cx - bezierCircle * r, cy - r,
cx, cy - r);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx + bezierCircle * r, cy - r,
cx + r, cy - bezierCircle * r,
cx + r, cy);
appearBuf->append(fill ? "f\n" : "s\n");
}
// Draw the top-left half of an (approximate) circle of radius <r>
// centered at (<cx>, <cy>).
void Annot::drawCircleTopLeft(double cx, double cy, double r) {
double r2;
r2 = r / sqrt(2.0);
appearBuf->appendf("{0:.2f} {1:.2f} m\n",
cx + r2, cy + r2);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx + (1 - bezierCircle) * r2,
cy + (1 + bezierCircle) * r2,
cx - (1 - bezierCircle) * r2,
cy + (1 + bezierCircle) * r2,
cx - r2,
cy + r2);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx - (1 + bezierCircle) * r2,
cy + (1 - bezierCircle) * r2,
cx - (1 + bezierCircle) * r2,
cy - (1 - bezierCircle) * r2,
cx - r2,
cy - r2);
appearBuf->append("S\n");
}
// Draw the bottom-right half of an (approximate) circle of radius <r>
// centered at (<cx>, <cy>).
void Annot::drawCircleBottomRight(double cx, double cy, double r) {
double r2;
r2 = r / sqrt(2.0);
appearBuf->appendf("{0:.2f} {1:.2f} m\n",
cx - r2, cy - r2);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx - (1 - bezierCircle) * r2,
cy - (1 + bezierCircle) * r2,
cx + (1 - bezierCircle) * r2,
cy - (1 + bezierCircle) * r2,
cx + r2,
cy - r2);
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
cx + (1 + bezierCircle) * r2,
cy - (1 - bezierCircle) * r2,
cx + (1 + bezierCircle) * r2,
cy + (1 - bezierCircle) * r2,
cx + r2,
cy + r2);
appearBuf->append("S\n");
}
void Annot::createForm(double *bbox, GBool transparencyGroup, Object *resDict, Object *aStream) {
Object obj1, obj2;
Object appearDict;
appearDict.initDict(xref);
appearDict.dictSet("Length", obj1.initInt(appearBuf->getLength()));
appearDict.dictSet("Subtype", obj1.initName("Form"));
obj1.initArray(xref);
obj1.arrayAdd(obj2.initReal(bbox[0]));
obj1.arrayAdd(obj2.initReal(bbox[1]));
obj1.arrayAdd(obj2.initReal(bbox[2]));
obj1.arrayAdd(obj2.initReal(bbox[3]));
appearDict.dictSet("BBox", &obj1);
if (transparencyGroup) {
Object transDict;
transDict.initDict(xref);
transDict.dictSet("S", obj1.initName("Transparency"));
appearDict.dictSet("Group", &transDict);
}
if (resDict)
appearDict.dictSet("Resources", resDict);
MemStream *mStream = new MemStream(copyString(appearBuf->getCString()), 0,
appearBuf->getLength(), &appearDict);
mStream->setNeedFree(gTrue);
aStream->initStream(mStream);
}
void Annot::createResourcesDict(const char *formName, Object *formStream,
const char *stateName,
double opacity, const char *blendMode,
Object *resDict) {
Object gsDict, stateDict, formDict, obj1;
gsDict.initDict(xref);
if (opacity != 1) {
gsDict.dictSet("CA", obj1.initReal(opacity));
gsDict.dictSet("ca", obj1.initReal(opacity));
}
if (blendMode)
gsDict.dictSet("BM", obj1.initName(blendMode));
stateDict.initDict(xref);
stateDict.dictSet(stateName, &gsDict);
formDict.initDict(xref);
formDict.dictSet(formName, formStream);
resDict->initDict(xref);
resDict->dictSet("ExtGState", &stateDict);
resDict->dictSet("XObject", &formDict);
}
Object *Annot::getAppearanceResDict(Object *dest) {
Object obj1, obj2;
dest->initNull(); // Default value
// Fetch appearance's resource dict (if any)
appearance.fetch(xref, &obj1);
if (obj1.isStream()) {
obj1.streamGetDict()->lookup("Resources", &obj2);
if (obj2.isDict()) {
obj2.copy(dest);
}
obj2.free();
}
obj1.free();
return dest;
}
GBool Annot::isVisible(GBool printing) {
// check the flags
if ((flags & flagHidden) ||
(printing && !(flags & flagPrint)) ||
(!printing && (flags & flagNoView))) {
return gFalse;
}
// check the OC
OCGs *optContentConfig = doc->getCatalog()->getOptContentConfig();
if (optContentConfig) {
if (! optContentConfig->optContentIsVisible(&oc))
return gFalse;
}
return gTrue;
}
void Annot::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// AnnotPopup
//------------------------------------------------------------------------
AnnotPopup::AnnotPopup(PDFDoc *docA, PDFRectangle *rect) :
Annot(docA, rect) {
Object obj1;
type = typePopup;
annotObj.dictSet ("Subtype", obj1.initName ("Popup"));
initialize (docA, annotObj.getDict());
}
AnnotPopup::AnnotPopup(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = typePopup;
initialize(docA, dict);
}
AnnotPopup::~AnnotPopup() {
parent.free();
}
void AnnotPopup::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
if (!dict->lookupNF("Parent", &parent)->isRef()) {
parent.initNull();
}
if (dict->lookup("Open", &obj1)->isBool()) {
open = obj1.getBool();
} else {
open = gFalse;
}
obj1.free();
}
void AnnotPopup::setParent(Object *parentA) {
parentA->copy(&parent);
update ("Parent", &parent);
}
void AnnotPopup::setParent(Annot *parentA) {
Ref parentRef = parentA->getRef();
parent.initRef(parentRef.num, parentRef.gen);
update ("Parent", &parent);
}
void AnnotPopup::setOpen(GBool openA) {
Object obj1;
open = openA;
obj1.initBool(open);
update ("Open", &obj1);
}
//------------------------------------------------------------------------
// AnnotMarkup
//------------------------------------------------------------------------
AnnotMarkup::AnnotMarkup(PDFDoc *docA, PDFRectangle *rect) :
Annot(docA, rect) {
initialize(docA, annotObj.getDict(), &annotObj);
}
AnnotMarkup::AnnotMarkup(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
initialize(docA, dict, obj);
}
AnnotMarkup::~AnnotMarkup() {
if (label)
delete label;
if (popup)
delete popup;
if (date)
delete date;
if (subject)
delete subject;
}
void AnnotMarkup::initialize(PDFDoc *docA, Dict *dict, Object *obj) {
Object obj1, obj2;
if (dict->lookup("T", &obj1)->isString()) {
label = obj1.getString()->copy();
} else {
label = NULL;
}
obj1.free();
if (dict->lookup("Popup", &obj1)->isDict() && dict->lookupNF("Popup", &obj2)->isRef()) {
popup = new AnnotPopup(docA, obj1.getDict(), &obj2);
} else {
popup = NULL;
}
obj1.free();
if (dict->lookup("CA", &obj1)->isNum()) {
opacity = obj1.getNum();
} else {
opacity = 1.0;
}
obj1.free();
if (dict->lookup("CreationDate", &obj1)->isString()) {
date = obj1.getString()->copy();
} else {
date = NULL;
}
obj1.free();
if (dict->lookupNF("IRT", &obj1)->isRef()) {
inReplyTo = obj1.getRef();
} else {
inReplyTo.num = 0;
inReplyTo.gen = 0;
}
obj1.free();
if (dict->lookup("Subj", &obj1)->isString()) {
subject = obj1.getString()->copy();
} else {
subject = NULL;
}
obj1.free();
if (dict->lookup("RT", &obj1)->isName()) {
const char *replyName = obj1.getName();
if (!strcmp(replyName, "R")) {
replyTo = replyTypeR;
} else if (!strcmp(replyName, "Group")) {
replyTo = replyTypeGroup;
} else {
replyTo = replyTypeR;
}
} else {
replyTo = replyTypeR;
}
obj1.free();
if (dict->lookup("ExData", &obj1)->isDict()) {
exData = parseAnnotExternalData(obj1.getDict());
} else {
exData = annotExternalDataMarkupUnknown;
}
obj1.free();
}
void AnnotMarkup::setLabel(GooString *new_label) {
delete label;
if (new_label) {
label = new GooString(new_label);
//append the unicode marker <FE FF> if needed
if (!label->hasUnicodeMarker()) {
label->insert(0, 0xff);
label->insert(0, 0xfe);
}
} else {
label = new GooString();
}
Object obj1;
obj1.initString(label->copy());
update ("T", &obj1);
}
void AnnotMarkup::setPopup(AnnotPopup *new_popup) {
delete popup;
if (new_popup) {
Object obj1;
Ref popupRef = new_popup->getRef();
obj1.initRef (popupRef.num, popupRef.gen);
update ("Popup", &obj1);
new_popup->setParent(this);
popup = new_popup;
} else {
popup = NULL;
}
}
void AnnotMarkup::setOpacity(double opacityA) {
Object obj1;
opacity = opacityA;
obj1.initReal(opacity);
update ("CA", &obj1);
}
void AnnotMarkup::setDate(GooString *new_date) {
delete date;
if (new_date)
date = new GooString(new_date);
else
date = new GooString();
Object obj1;
obj1.initString(date->copy());
update ("CreationDate", &obj1);
}
void AnnotMarkup::removeReferencedObjects() {
Page *pageobj = doc->getPage(page);
assert(pageobj != NULL); // We're called when removing an annot from a page
// Remove popup
if (popup) {
pageobj->removeAnnot(popup);
}
Annot::removeReferencedObjects();
}
//------------------------------------------------------------------------
// AnnotText
//------------------------------------------------------------------------
AnnotText::AnnotText(PDFDoc *docA, PDFRectangle *rect) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeText;
flags |= flagNoZoom | flagNoRotate;
annotObj.dictSet ("Subtype", obj1.initName ("Text"));
initialize (docA, annotObj.getDict());
}
AnnotText::AnnotText(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeText;
flags |= flagNoZoom | flagNoRotate;
initialize (docA, dict);
}
AnnotText::~AnnotText() {
delete icon;
}
void AnnotText::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
if (dict->lookup("Open", &obj1)->isBool())
open = obj1.getBool();
else
open = gFalse;
obj1.free();
if (dict->lookup("Name", &obj1)->isName()) {
icon = new GooString(obj1.getName());
} else {
icon = new GooString("Note");
}
obj1.free();
if (dict->lookup("StateModel", &obj1)->isString()) {
Object obj2;
GooString *modelName = obj1.getString();
if (dict->lookup("State", &obj2)->isString()) {
GooString *stateName = obj2.getString();
if (!stateName->cmp("Marked")) {
state = stateMarked;
} else if (!stateName->cmp("Unmarked")) {
state = stateUnmarked;
} else if (!stateName->cmp("Accepted")) {
state = stateAccepted;
} else if (!stateName->cmp("Rejected")) {
state = stateRejected;
} else if (!stateName->cmp("Cancelled")) {
state = stateCancelled;
} else if (!stateName->cmp("Completed")) {
state = stateCompleted;
} else if (!stateName->cmp("None")) {
state = stateNone;
} else {
state = stateUnknown;
}
} else {
state = stateUnknown;
}
obj2.free();
if (!modelName->cmp("Marked")) {
switch (state) {
case stateUnknown:
state = stateMarked;
break;
case stateAccepted:
case stateRejected:
case stateCancelled:
case stateCompleted:
case stateNone:
state = stateUnknown;
break;
default:
break;
}
} else if (!modelName->cmp("Review")) {
switch (state) {
case stateUnknown:
state = stateNone;
break;
case stateMarked:
case stateUnmarked:
state = stateUnknown;
break;
default:
break;
}
} else {
state = stateUnknown;
}
} else {
state = stateUnknown;
}
obj1.free();
}
void AnnotText::setOpen(GBool openA) {
Object obj1;
open = openA;
obj1.initBool(open);
update ("Open", &obj1);
}
void AnnotText::setIcon(GooString *new_icon) {
if (new_icon && icon->cmp(new_icon) == 0)
return;
delete icon;
if (new_icon) {
icon = new GooString (new_icon);
} else {
icon = new GooString("Note");
}
Object obj1;
obj1.initName (icon->getCString());
update("Name", &obj1);
}
#define ANNOT_TEXT_AP_NOTE \
"3.602 24 m 20.398 24 l 22.387 24 24 22.387 24 20.398 c 24 3.602 l 24\n" \
"1.613 22.387 0 20.398 0 c 3.602 0 l 1.613 0 0 1.613 0 3.602 c 0 20.398\n" \
"l 0 22.387 1.613 24 3.602 24 c h\n" \
"3.602 24 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 9 18 m 4 18 l 4 7 4 4 6 3 c 20 3 l 18 4 18 7 18 18 c 17 18 l S\n" \
"1.5 w\n" \
"0 j\n" \
"10 16 m 14 21 l S\n" \
"1.85625 w\n" \
"1 j\n" \
"15.07 20.523 m 15.07 19.672 14.379 18.977 13.523 18.977 c 12.672 18.977\n" \
"11.977 19.672 11.977 20.523 c 11.977 21.379 12.672 22.07 13.523 22.07 c\n" \
"14.379 22.07 15.07 21.379 15.07 20.523 c h\n" \
"15.07 20.523 m S\n" \
"1 w\n" \
"0 j\n" \
"6.5 13.5 m 15.5 13.5 l S\n" \
"6.5 10.5 m 13.5 10.5 l S\n" \
"6.801 7.5 m 15.5 7.5 l S\n" \
"0.729412 0.741176 0.713725 RG 2 w\n" \
"1 j\n" \
"9 19 m 4 19 l 4 8 4 5 6 4 c 20 4 l 18 5 18 8 18 19 c 17 19 l S\n" \
"1.5 w\n" \
"0 j\n" \
"10 17 m 14 22 l S\n" \
"1.85625 w\n" \
"1 j\n" \
"15.07 21.523 m 15.07 20.672 14.379 19.977 13.523 19.977 c 12.672 19.977\n" \
"11.977 20.672 11.977 21.523 c 11.977 22.379 12.672 23.07 13.523 23.07 c\n" \
"14.379 23.07 15.07 22.379 15.07 21.523 c h\n" \
"15.07 21.523 m S\n" \
"1 w\n" \
"0 j\n" \
"6.5 14.5 m 15.5 14.5 l S\n" \
"6.5 11.5 m 13.5 11.5 l S\n" \
"6.801 8.5 m 15.5 8.5 l S\n"
#define ANNOT_TEXT_AP_COMMENT \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"0 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 8 20 m 16 20 l 18.363 20 20 18.215 20 16 c 20 13 l 20 10.785 18.363 9\n" \
"16 9 c 13 9 l 8 3 l 8 9 l 8 9 l 5.637 9 4 10.785 4 13 c 4 16 l 4 18.215\n" \
"5.637 20 8 20 c h\n" \
"8 20 m S\n" \
"0.729412 0.741176 0.713725 RG 8 21 m 16 21 l 18.363 21 20 19.215 20 17\n" \
"c 20 14 l 20 11.785 18.363 10\n" \
"16 10 c 13 10 l 8 4 l 8 10 l 8 10 l 5.637 10 4 11.785 4 14 c 4 17 l 4\n" \
"19.215 5.637 21 8 21 c h\n" \
"8 21 m S\n"
#define ANNOT_TEXT_AP_KEY \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"0 j\n" \
"[] 0.0 d\n" \
"4 M 11.895 18.754 m 13.926 20.625 17.09 20.496 18.961 18.465 c 20.832\n" \
"16.434 20.699 13.27 18.668 11.398 c 17.164 10.016 15.043 9.746 13.281\n" \
"10.516 c 12.473 9.324 l 11.281 10.078 l 9.547 8.664 l 9.008 6.496 l\n" \
"7.059 6.059 l 6.34 4.121 l 5.543 3.668 l 3.375 4.207 l 2.938 6.156 l\n" \
"10.57 13.457 l 9.949 15.277 10.391 17.367 11.895 18.754 c h\n" \
"11.895 18.754 m S\n" \
"1.5 w\n" \
"16.059 15.586 m 16.523 15.078 17.316 15.043 17.824 15.512 c 18.332\n" \
"15.98 18.363 16.77 17.895 17.277 c 17.43 17.785 16.637 17.816 16.129\n" \
"17.352 c 15.621 16.883 15.59 16.094 16.059 15.586 c h\n" \
"16.059 15.586 m S\n" \
"0.729412 0.741176 0.713725 RG 2 w\n" \
"11.895 19.754 m 13.926 21.625 17.09 21.496 18.961 19.465 c 20.832\n" \
"17.434 20.699 14.27 18.668 12.398 c 17.164 11.016 15.043 10.746 13.281\n" \
"11.516 c 12.473 10.324 l 11.281 11.078 l 9.547 9.664 l 9.008 7.496 l\n" \
"7.059 7.059 l 6.34 5.121 l 5.543 4.668 l 3.375 5.207 l 2.938 7.156 l\n" \
"10.57 14.457 l 9.949 16.277 10.391 18.367 11.895 19.754 c h\n" \
"11.895 19.754 m S\n" \
"1.5 w\n" \
"16.059 16.586 m 16.523 16.078 17.316 16.043 17.824 16.512 c 18.332\n" \
"16.98 18.363 17.77 17.895 18.277 c 17.43 18.785 16.637 18.816 16.129\n" \
"18.352 c 15.621 17.883 15.59 17.094 16.059 16.586 c h\n" \
"16.059 16.586 m S\n"
#define ANNOT_TEXT_AP_HELP \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2.5 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 8.289 16.488 m 8.824 17.828 10.043 18.773 11.473 18.965 c 12.902 19.156\n" \
"14.328 18.559 15.195 17.406 c 16.062 16.254 16.242 14.723 15.664 13.398\n" \
"c S\n" \
"0 j\n" \
"12 8 m 12 12 16 11 16 15 c S\n" \
"1.539286 w\n" \
"1 j\n" \
"q 1 0 0 -0.999991 0 24 cm\n" \
"12.684 20.891 m 12.473 21.258 12.004 21.395 11.629 21.196 c 11.254\n" \
"20.992 11.105 20.531 11.297 20.149 c 11.488 19.77 11.945 19.61 12.332\n" \
"19.789 c 12.719 19.969 12.891 20.426 12.719 20.817 c S Q\n" \
"0.729412 0.741176 0.713725 RG 2.5 w\n" \
"8.289 17.488 m 9.109 19.539 11.438 20.535 13.488 19.711 c 15.539 18.891\n" \
"16.535 16.562 15.711 14.512 c 15.699 14.473 15.684 14.438 15.664 14.398\n" \
"c S\n" \
"0 j\n" \
"12 9 m 12 13 16 12 16 16 c S\n" \
"1.539286 w\n" \
"1 j\n" \
"q 1 0 0 -0.999991 0 24 cm\n" \
"12.684 19.891 m 12.473 20.258 12.004 20.395 11.629 20.195 c 11.254\n" \
"19.992 11.105 19.531 11.297 19.149 c 11.488 18.77 11.945 18.61 12.332\n" \
"18.789 c 12.719 18.969 12.891 19.426 12.719 19.817 c S Q\n"
#define ANNOT_TEXT_AP_NEW_PARAGRAPH \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 4 w\n" \
"0 J\n" \
"2 j\n" \
"[] 0.0 d\n" \
"4 M q 1 0 0 -1 0 24 cm\n" \
"9.211 11.988 m 8.449 12.07 7.711 11.707 7.305 11.059 c 6.898 10.41\n" \
"6.898 9.59 7.305 8.941 c 7.711 8.293 8.449 7.93 9.211 8.012 c S Q\n" \
"1.004413 w\n" \
"1 J\n" \
"1 j\n" \
"q 1 0 0 -0.991232 0 24 cm\n" \
"18.07 11.511 m 15.113 10.014 l 12.199 11.602 l 12.711 8.323 l 10.301\n" \
"6.045 l 13.574 5.517 l 14.996 2.522 l 16.512 5.474 l 19.801 5.899 l\n" \
"17.461 8.252 l 18.07 11.511 l h\n" \
"18.07 11.511 m S Q\n" \
"2 w\n" \
"0 j\n" \
"11 17 m 10 17 l 10 3 l S\n" \
"14 3 m 14 13 l S\n" \
"0.729412 0.741176 0.713725 RG 4 w\n" \
"0 J\n" \
"2 j\n" \
"q 1 0 0 -1 0 24 cm\n" \
"9.211 10.988 m 8.109 11.105 7.125 10.309 7.012 9.211 c 6.895 8.109\n" \
"7.691 7.125 8.789 7.012 c 8.93 6.996 9.07 6.996 9.211 7.012 c S Q\n" \
"1.004413 w\n" \
"1 J\n" \
"1 j\n" \
"q 1 0 0 -0.991232 0 24 cm\n" \
"18.07 10.502 m 15.113 9.005 l 12.199 10.593 l 12.711 7.314 l 10.301\n" \
"5.036 l 13.574 4.508 l 14.996 1.513 l 16.512 4.465 l 19.801 4.891 l\n" \
"17.461 7.243 l 18.07 10.502 l h\n" \
"18.07 10.502 m S Q\n" \
"2 w\n" \
"0 j\n" \
"11 18 m 10 18 l 10 4 l S\n" \
"14 4 m 14 14 l S\n"
#define ANNOT_TEXT_AP_PARAGRAPH \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 15 3 m 15 18 l 11 18 l 11 3 l S\n" \
"4 w\n" \
"q 1 0 0 -1 0 24 cm\n" \
"9.777 10.988 m 8.746 10.871 7.973 9.988 8 8.949 c 8.027 7.91 8.844\n" \
"7.066 9.879 7.004 c S Q\n" \
"0.729412 0.741176 0.713725 RG 2 w\n" \
"15 4 m 15 19 l 11 19 l 11 4 l S\n" \
"4 w\n" \
"q 1 0 0 -1 0 24 cm\n" \
"9.777 9.988 m 8.746 9.871 7.973 8.988 8 7.949 c 8.027 6.91 8.844 6.066\n" \
"9.879 6.004 c S Q\n"
#define ANNOT_TEXT_AP_INSERT \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"0 j\n" \
"[] 0.0 d\n" \
"4 M 12 18.012 m 20 18 l S\n" \
"9 10 m 17 10 l S\n" \
"12 14.012 m 20 14 l S\n" \
"12 6.012 m 20 6.012 l S\n" \
"4 12 m 6 10 l 4 8 l S\n" \
"4 12 m 4 8 l S\n" \
"0.729412 0.741176 0.713725 RG 12 19.012 m 20 19 l S\n" \
"9 11 m 17 11 l S\n" \
"12 15.012 m 20 15 l S\n" \
"12 7.012 m 20 7.012 l S\n" \
"4 13 m 6 11 l 4 9 l S\n" \
"4 13 m 4 9 l S\n"
#define ANNOT_TEXT_AP_CROSS \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2.5 w\n" \
"1 J\n" \
"0 j\n" \
"[] 0.0 d\n" \
"4 M 18 5 m 6 17 l S\n" \
"6 5 m 18 17 l S\n" \
"0.729412 0.741176 0.713725 RG 18 6 m 6 18 l S\n" \
"6 6 m 18 18 l S\n"
#define ANNOT_TEXT_AP_CIRCLE \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2.5 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 19.5 11.5 m 19.5 7.359 16.141 4 12 4 c 7.859 4 4.5 7.359 4.5 11.5 c 4.5\n" \
"15.641 7.859 19 12 19 c 16.141 19 19.5 15.641 19.5 11.5 c h\n" \
"19.5 11.5 m S\n" \
"0.729412 0.741176 0.713725 RG 19.5 12.5 m 19.5 8.359 16.141 5 12 5 c\n" \
"7.859 5 4.5 8.359 4.5 12.5 c 4.5\n" \
"16.641 7.859 20 12 20 c 16.141 20 19.5 16.641 19.5 12.5 c h\n" \
"19.5 12.5 m S\n"
void AnnotText::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color)
setColor(color, gTrue);
else
appearBuf->append ("1 1 1 rg\n");
if (!icon->cmp("Note"))
appearBuf->append (ANNOT_TEXT_AP_NOTE);
else if (!icon->cmp("Comment"))
appearBuf->append (ANNOT_TEXT_AP_COMMENT);
else if (!icon->cmp("Key"))
appearBuf->append (ANNOT_TEXT_AP_KEY);
else if (!icon->cmp("Help"))
appearBuf->append (ANNOT_TEXT_AP_HELP);
else if (!icon->cmp("NewParagraph"))
appearBuf->append (ANNOT_TEXT_AP_NEW_PARAGRAPH);
else if (!icon->cmp("Paragraph"))
appearBuf->append (ANNOT_TEXT_AP_PARAGRAPH);
else if (!icon->cmp("Insert"))
appearBuf->append (ANNOT_TEXT_AP_INSERT);
else if (!icon->cmp("Cross"))
appearBuf->append (ANNOT_TEXT_AP_CROSS);
else if (!icon->cmp("Circle"))
appearBuf->append (ANNOT_TEXT_AP_CIRCLE);
appearBuf->append ("Q\n");
// Force 24x24 rectangle
PDFRectangle fixedRect(rect->x1, rect->y2 - 24, rect->x1 + 24, rect->y2);
appearBBox = new AnnotAppearanceBBox(&fixedRect);
double bbox[4];
appearBBox->getBBoxRect(bbox);
if (ca == 1) {
createForm(bbox, gFalse, NULL, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (appearBBox) {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
appearBBox->getPageXMin(), appearBBox->getPageYMin(),
appearBBox->getPageXMax(), appearBBox->getPageYMax());
} else {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
}
obj.free();
}
//------------------------------------------------------------------------
// AnnotLink
//------------------------------------------------------------------------
AnnotLink::AnnotLink(PDFDoc *docA, PDFRectangle *rect) :
Annot(docA, rect) {
Object obj1;
type = typeLink;
annotObj.dictSet ("Subtype", obj1.initName ("Link"));
initialize (docA, annotObj.getDict());
}
AnnotLink::AnnotLink(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = typeLink;
initialize (docA, dict);
}
AnnotLink::~AnnotLink() {
delete action;
/*
if (uriAction)
delete uriAction;
*/
if (quadrilaterals)
delete quadrilaterals;
}
void AnnotLink::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
action = NULL;
// look for destination
if (!dict->lookup("Dest", &obj1)->isNull()) {
action = LinkAction::parseDest(&obj1);
// look for action
} else {
obj1.free();
if (dict->lookup("A", &obj1)->isDict()) {
action = LinkAction::parseAction(&obj1, doc->getCatalog()->getBaseURI());
}
}
obj1.free();
if (dict->lookup("H", &obj1)->isName()) {
const char *effect = obj1.getName();
if (!strcmp(effect, "N")) {
linkEffect = effectNone;
} else if (!strcmp(effect, "I")) {
linkEffect = effectInvert;
} else if (!strcmp(effect, "O")) {
linkEffect = effectOutline;
} else if (!strcmp(effect, "P")) {
linkEffect = effectPush;
} else {
linkEffect = effectInvert;
}
} else {
linkEffect = effectInvert;
}
obj1.free();
/*
if (dict->lookup("PA", &obj1)->isDict()) {
uriAction = NULL;
} else {
uriAction = NULL;
}
obj1.free();
*/
if (dict->lookup("QuadPoints", &obj1)->isArray()) {
quadrilaterals = new AnnotQuadrilaterals(obj1.getArray(), rect);
} else {
quadrilaterals = NULL;
}
obj1.free();
}
void AnnotLink::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, border, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// AnnotFreeText
//------------------------------------------------------------------------
AnnotFreeText::AnnotFreeText(PDFDoc *docA, PDFRectangle *rect, GooString *da) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeFreeText;
annotObj.dictSet ("Subtype", obj1.initName ("FreeText"));
Object obj2;
obj2.initString (da->copy());
annotObj.dictSet("DA", &obj2);
initialize (docA, annotObj.getDict());
}
AnnotFreeText::AnnotFreeText(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeFreeText;
initialize(docA, dict);
}
AnnotFreeText::~AnnotFreeText() {
delete appearanceString;
if (styleString)
delete styleString;
if (calloutLine)
delete calloutLine;
if (borderEffect)
delete borderEffect;
if (rectangle)
delete rectangle;
}
void AnnotFreeText::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
if (dict->lookup("DA", &obj1)->isString()) {
appearanceString = obj1.getString()->copy();
} else {
appearanceString = new GooString();
error(errSyntaxError, -1, "Bad appearance for annotation");
ok = gFalse;
}
obj1.free();
if (dict->lookup("Q", &obj1)->isInt()) {
quadding = (AnnotFreeTextQuadding) obj1.getInt();
} else {
quadding = quaddingLeftJustified;
}
obj1.free();
if (dict->lookup("DS", &obj1)->isString()) {
styleString = obj1.getString()->copy();
} else {
styleString = NULL;
}
obj1.free();
if (dict->lookup("CL", &obj1)->isArray() && obj1.arrayGetLength() >= 4) {
double x1, y1, x2, y2;
Object obj2;
(obj1.arrayGet(0, &obj2)->isNum() ? x1 = obj2.getNum() : x1 = 0);
obj2.free();
(obj1.arrayGet(1, &obj2)->isNum() ? y1 = obj2.getNum() : y1 = 0);
obj2.free();
(obj1.arrayGet(2, &obj2)->isNum() ? x2 = obj2.getNum() : x2 = 0);
obj2.free();
(obj1.arrayGet(3, &obj2)->isNum() ? y2 = obj2.getNum() : y2 = 0);
obj2.free();
if (obj1.arrayGetLength() == 6) {
double x3, y3;
(obj1.arrayGet(4, &obj2)->isNum() ? x3 = obj2.getNum() : x3 = 0);
obj2.free();
(obj1.arrayGet(5, &obj2)->isNum() ? y3 = obj2.getNum() : y3 = 0);
obj2.free();
calloutLine = new AnnotCalloutMultiLine(x1, y1, x2, y2, x3, y3);
} else {
calloutLine = new AnnotCalloutLine(x1, y1, x2, y2);
}
} else {
calloutLine = NULL;
}
obj1.free();
if (dict->lookup("IT", &obj1)->isName()) {
const char *intentName = obj1.getName();
if (!strcmp(intentName, "FreeText")) {
intent = intentFreeText;
} else if (!strcmp(intentName, "FreeTextCallout")) {
intent = intentFreeTextCallout;
} else if (!strcmp(intentName, "FreeTextTypeWriter")) {
intent = intentFreeTextTypeWriter;
} else {
intent = intentFreeText;
}
} else {
intent = intentFreeText;
}
obj1.free();
if (dict->lookup("BE", &obj1)->isDict()) {
borderEffect = new AnnotBorderEffect(obj1.getDict());
} else {
borderEffect = NULL;
}
obj1.free();
if (dict->lookup("RD", &obj1)->isArray()) {
rectangle = parseDiffRectangle(obj1.getArray(), rect);
} else {
rectangle = NULL;
}
obj1.free();
if (dict->lookup("LE", &obj1)->isName()) {
GooString styleName(obj1.getName());
endStyle = parseAnnotLineEndingStyle(&styleName);
} else {
endStyle = annotLineEndingNone;
}
obj1.free();
}
void AnnotFreeText::setAppearanceString(GooString *new_string) {
delete appearanceString;
if (new_string) {
appearanceString = new GooString(new_string);
} else {
appearanceString = new GooString();
}
Object obj1;
obj1.initString(appearanceString->copy());
update ("DA", &obj1);
}
void AnnotFreeText::setQuadding(AnnotFreeTextQuadding new_quadding) {
Object obj1;
quadding = new_quadding;
obj1.initInt((int)quadding);
update ("Q", &obj1);
}
void AnnotFreeText::setStyleString(GooString *new_string) {
delete styleString;
if (new_string) {
styleString = new GooString(new_string);
//append the unicode marker <FE FF> if needed
if (!styleString->hasUnicodeMarker()) {
styleString->insert(0, 0xff);
styleString->insert(0, 0xfe);
}
} else {
styleString = new GooString();
}
Object obj1;
obj1.initString(styleString->copy());
update ("DS", &obj1);
}
void AnnotFreeText::setCalloutLine(AnnotCalloutLine *line) {
delete calloutLine;
Object obj1;
if (line == NULL) {
obj1.initNull();
calloutLine = NULL;
} else {
double x1 = line->getX1(), y1 = line->getY1();
double x2 = line->getX2(), y2 = line->getY2();
Object obj2;
obj1.initArray(xref);
obj1.arrayAdd( obj2.initReal(x1) );
obj1.arrayAdd( obj2.initReal(y1) );
obj1.arrayAdd( obj2.initReal(x2) );
obj1.arrayAdd( obj2.initReal(y2) );
AnnotCalloutMultiLine *mline = dynamic_cast<AnnotCalloutMultiLine*>(line);
if (mline) {
double x3 = mline->getX3(), y3 = mline->getY3();
obj1.arrayAdd( obj2.initReal(x3) );
obj1.arrayAdd( obj2.initReal(y3) );
calloutLine = new AnnotCalloutMultiLine(x1, y1, x2, y2, x3, y3);
} else {
calloutLine = new AnnotCalloutLine(x1, y1, x2, y2);
}
}
update("CL", &obj1);
}
void AnnotFreeText::setIntent(AnnotFreeTextIntent new_intent) {
Object obj1;
intent = new_intent;
if (new_intent == intentFreeText)
obj1.initName("FreeText");
else if (new_intent == intentFreeTextCallout)
obj1.initName("FreeTextCallout");
else // intentFreeTextTypeWriter
obj1.initName("FreeTextTypeWriter");
update ("IT", &obj1);
}
static GfxFont * createAnnotDrawFont(XRef * xref, Object *fontResDict)
{
Ref dummyRef = { -1, -1 };
Object baseFontObj, subtypeObj, encodingObj;
baseFontObj.initName("Helvetica");
subtypeObj.initName("Type0");
encodingObj.initName("WinAnsiEncoding");
Object fontDictObj;
Dict *fontDict = new Dict(xref);
fontDict->decRef();
fontDict->add(copyString("BaseFont"), &baseFontObj);
fontDict->add(copyString("Subtype"), &subtypeObj);
fontDict->add(copyString("Encoding"), &encodingObj);
fontDictObj.initDict(fontDict);
Object fontsDictObj;
Dict *fontsDict = new Dict(xref);
fontsDict->decRef();
fontsDict->add(copyString("AnnotDrawFont"), &fontDictObj);
fontsDictObj.initDict(fontsDict);
Dict *dict = new Dict(xref);
dict->add(copyString("Font"), &fontsDictObj);
fontResDict->initDict(dict);
return GfxFont::makeFont(xref, "AnnotDrawFont", dummyRef, fontDict);
}
void AnnotFreeText::parseAppearanceString(GooString *da, double &fontsize, AnnotColor* &fontcolor) {
fontsize = -1;
fontcolor = NULL;
if (da) {
GooList * daToks = new GooList();
int j, i = 0;
// Tokenize
while (i < da->getLength()) {
while (i < da->getLength() && Lexer::isSpace(da->getChar(i))) {
++i;
}
if (i < da->getLength()) {
for (j = i + 1; j < da->getLength() && !Lexer::isSpace(da->getChar(j)); ++j) {
}
daToks->append(new GooString(da, i, j - i));
i = j;
}
}
// Scan backwards: we are looking for the last set value
for (i = daToks->getLength()-1; i >= 0; --i) {
if (fontsize == -1) {
if (!((GooString *)daToks->get(i))->cmp("Tf") && i >= 2) {
// TODO: Font name
fontsize = gatof(( (GooString *)daToks->get(i-1) )->getCString());
}
}
if (fontcolor == NULL) {
if (!((GooString *)daToks->get(i))->cmp("g") && i >= 1) {
fontcolor = new AnnotColor(gatof(( (GooString *)daToks->get(i-1) )->getCString()));
} else if (!((GooString *)daToks->get(i))->cmp("rg") && i >= 3) {
fontcolor = new AnnotColor(gatof(( (GooString *)daToks->get(i-3) )->getCString()),
gatof(( (GooString *)daToks->get(i-2) )->getCString()),
gatof(( (GooString *)daToks->get(i-1) )->getCString()));
} else if (!((GooString *)daToks->get(i))->cmp("k") && i >= 4) {
fontcolor = new AnnotColor(gatof(( (GooString *)daToks->get(i-4) )->getCString()),
gatof(( (GooString *)daToks->get(i-3) )->getCString()),
gatof(( (GooString *)daToks->get(i-2) )->getCString()),
gatof(( (GooString *)daToks->get(i-1) )->getCString()));
}
}
}
deleteGooList(daToks, GooString);
}
}
void AnnotFreeText::generateFreeTextAppearance()
{
double borderWidth, ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (border) {
int i, dashLength;
double *dash;
borderWidth = border->getWidth();
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (i = 0; i < dashLength; ++i)
appearBuf->appendf(" {0:.2f}", dash[i]);
appearBuf->append(" ] 0 d\n");
break;
default:
appearBuf->append("[] 0 d\n");
break;
}
appearBuf->appendf("{0:.2f} w\n", borderWidth);
} else {
borderWidth = 0; // No border
}
// Box size
const double width = rect->x2 - rect->x1;
const double height = rect->y2 - rect->y1;
// Parse some properties from the appearance string
double fontsize;
AnnotColor *fontcolor;
parseAppearanceString(appearanceString, fontsize, fontcolor);
// Default values
if (fontsize <= 0)
fontsize = 10;
if (fontcolor == NULL)
fontcolor = new AnnotColor(0, 0, 0); // Black
// Draw box
GBool doFill = (color && color->getSpace() != AnnotColor::colorTransparent);
GBool doStroke = (borderWidth != 0);
if (doFill || doStroke) {
if (doStroke) {
setColor(fontcolor, gFalse); // Border color: same as font color
}
appearBuf->appendf ("{0:.2f} {0:.2f} {1:.2f} {2:.2f} re\n", borderWidth/2, width-borderWidth, height-borderWidth);
if (doFill) {
setColor(color, gTrue);
appearBuf->append(doStroke ? "B\n" : "f\n");
} else {
appearBuf->append("S\n");
}
}
// Setup text clipping
const double textmargin = borderWidth * 2;
const double textwidth = width - 2*textmargin;
appearBuf->appendf ("{0:.2f} {0:.2f} {1:.2f} {2:.2f} re W n\n", textmargin, textwidth, height - 2*textmargin);
Object fontResDict;
GfxFont *font = createAnnotDrawFont(xref, &fontResDict);
// Set font state
setColor(fontcolor, gTrue);
appearBuf->appendf ("BT 1 0 0 1 {0:.2f} {1:.2f} Tm\n", textmargin, height - textmargin - fontsize * font->getDescent());
appearBuf->appendf ("/AnnotDrawFont {0:.2f} Tf\n", fontsize);
int i = 0;
double xposPrev = 0;
while (i < contents->getLength()) {
GooString out;
double linewidth, xpos;
layoutText(contents, &out, &i, font, &linewidth, textwidth/fontsize, NULL, gFalse);
linewidth *= fontsize;
switch (quadding) {
case quaddingCentered:
xpos = (textwidth - linewidth) / 2;
break;
case quaddingRightJustified:
xpos = textwidth - linewidth;
break;
default: // quaddingLeftJustified:
xpos = 0;
break;
}
appearBuf->appendf("{0:.2f} {1:.2f} Td\n", xpos - xposPrev, -fontsize);
writeString(&out, appearBuf);
appearBuf->append("Tj\n");
xposPrev = xpos;
}
font->decRefCnt();
delete fontcolor;
appearBuf->append ("ET Q\n");
double bbox[4];
bbox[0] = bbox[1] = 0;
bbox[2] = rect->x2 - rect->x1;
bbox[3] = rect->y2 - rect->y1;
if (ca == 1) {
createForm(bbox, gFalse, &fontResDict, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, &fontResDict, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
void AnnotFreeText::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
generateFreeTextAppearance();
}
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
// Before retrieving the res dict, regenerate the appearance stream if needed,
// because AnnotFreeText::draw needs to store font info in the res dict
Object *AnnotFreeText::getAppearanceResDict(Object *dest) {
if (appearance.isNull()) {
generateFreeTextAppearance();
}
return Annot::getAppearanceResDict(dest);
}
//------------------------------------------------------------------------
// AnnotLine
//------------------------------------------------------------------------
AnnotLine::AnnotLine(PDFDoc *docA, PDFRectangle *rect, PDFRectangle *lRect) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeLine;
annotObj.dictSet ("Subtype", obj1.initName ("Line"));
Object obj2, obj3;
obj2.initArray (doc->getXRef());
obj2.arrayAdd (obj3.initReal (lRect->x1));
obj2.arrayAdd (obj3.initReal (lRect->y1));
obj2.arrayAdd (obj3.initReal (lRect->x2));
obj2.arrayAdd (obj3.initReal (lRect->y2));
annotObj.dictSet ("L", &obj2);
initialize (docA, annotObj.getDict());
}
AnnotLine::AnnotLine(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeLine;
initialize(docA, dict);
}
AnnotLine::~AnnotLine() {
delete coord1;
delete coord2;
if (interiorColor)
delete interiorColor;
if (measure)
delete measure;
}
void AnnotLine::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
if (dict->lookup("L", &obj1)->isArray() && obj1.arrayGetLength() == 4) {
Object obj2;
double x1, y1, x2, y2;
(obj1.arrayGet(0, &obj2)->isNum() ? x1 = obj2.getNum() : x1 = 0);
obj2.free();
(obj1.arrayGet(1, &obj2)->isNum() ? y1 = obj2.getNum() : y1 = 0);
obj2.free();
(obj1.arrayGet(2, &obj2)->isNum() ? x2 = obj2.getNum() : x2 = 0);
obj2.free();
(obj1.arrayGet(3, &obj2)->isNum() ? y2 = obj2.getNum() : y2 = 0);
obj2.free();
coord1 = new AnnotCoord(x1, y1);
coord2 = new AnnotCoord(x2, y2);
} else {
coord1 = new AnnotCoord();
coord2 = new AnnotCoord();
}
obj1.free();
if (dict->lookup("LE", &obj1)->isArray() && obj1.arrayGetLength() == 2) {
Object obj2;
if(obj1.arrayGet(0, &obj2)->isString())
startStyle = parseAnnotLineEndingStyle(obj2.getString());
else
startStyle = annotLineEndingNone;
obj2.free();
if(obj1.arrayGet(1, &obj2)->isString())
endStyle = parseAnnotLineEndingStyle(obj2.getString());
else
endStyle = annotLineEndingNone;
obj2.free();
} else {
startStyle = endStyle = annotLineEndingNone;
}
obj1.free();
if (dict->lookup("IC", &obj1)->isArray()) {
interiorColor = new AnnotColor(obj1.getArray());
} else {
interiorColor = NULL;
}
obj1.free();
if (dict->lookup("LL", &obj1)->isNum()) {
leaderLineLength = obj1.getNum();
} else {
leaderLineLength = 0;
}
obj1.free();
if (dict->lookup("LLE", &obj1)->isNum()) {
leaderLineExtension = obj1.getNum();
if (leaderLineExtension < 0)
leaderLineExtension = 0;
} else {
leaderLineExtension = 0;
}
obj1.free();
if (dict->lookup("Cap", &obj1)->isBool()) {
caption = obj1.getBool();
} else {
caption = gFalse;
}
obj1.free();
if (dict->lookup("IT", &obj1)->isName()) {
const char *intentName = obj1.getName();
if(!strcmp(intentName, "LineArrow")) {
intent = intentLineArrow;
} else if(!strcmp(intentName, "LineDimension")) {
intent = intentLineDimension;
} else {
intent = intentLineArrow;
}
} else {
intent = intentLineArrow;
}
obj1.free();
if (dict->lookup("LLO", &obj1)->isNum()) {
leaderLineOffset = obj1.getNum();
if (leaderLineOffset < 0)
leaderLineOffset = 0;
} else {
leaderLineOffset = 0;
}
obj1.free();
if (dict->lookup("CP", &obj1)->isName()) {
const char *captionName = obj1.getName();
if(!strcmp(captionName, "Inline")) {
captionPos = captionPosInline;
} else if(!strcmp(captionName, "Top")) {
captionPos = captionPosTop;
} else {
captionPos = captionPosInline;
}
} else {
captionPos = captionPosInline;
}
obj1.free();
if (dict->lookup("Measure", &obj1)->isDict()) {
measure = NULL;
} else {
measure = NULL;
}
obj1.free();
if ((dict->lookup("CO", &obj1)->isArray()) && (obj1.arrayGetLength() == 2)) {
Object obj2;
(obj1.arrayGet(0, &obj2)->isNum() ? captionTextHorizontal = obj2.getNum() :
captionTextHorizontal = 0);
obj2.free();
(obj1.arrayGet(1, &obj2)->isNum() ? captionTextVertical = obj2.getNum() :
captionTextVertical = 0);
obj2.free();
} else {
captionTextHorizontal = captionTextVertical = 0;
}
obj1.free();
}
void AnnotLine::setVertices(double x1, double y1, double x2, double y2) {
Object obj1, obj2;
delete coord1;
coord1 = new AnnotCoord(x1, y1);
delete coord2;
coord2 = new AnnotCoord(x2, y2);
obj1.initArray(xref);
obj1.arrayAdd( obj2.initReal(x1) );
obj1.arrayAdd( obj2.initReal(y1) );
obj1.arrayAdd( obj2.initReal(x2) );
obj1.arrayAdd( obj2.initReal(y2) );
update("L", &obj1);
}
void AnnotLine::setStartEndStyle(AnnotLineEndingStyle start, AnnotLineEndingStyle end) {
Object obj1, obj2;
startStyle = start;
endStyle = end;
obj1.initArray(xref);
obj1.arrayAdd( obj2.initName(convertAnnotLineEndingStyle( startStyle )) );
obj1.arrayAdd( obj2.initName(convertAnnotLineEndingStyle( endStyle )) );
update("LE", &obj1);
}
void AnnotLine::setInteriorColor(AnnotColor *new_color) {
delete interiorColor;
if (new_color) {
Object obj1;
new_color->writeToObject(xref, &obj1);
update ("IC", &obj1);
interiorColor = new_color;
} else {
interiorColor = NULL;
}
}
void AnnotLine::setLeaderLineLength(double len) {
Object obj1;
leaderLineLength = len;
obj1.initReal(len);
update ("LL", &obj1);
}
void AnnotLine::setLeaderLineExtension(double len) {
Object obj1;
leaderLineExtension = len;
obj1.initReal(len);
update ("LLE", &obj1);
// LL is required if LLE is present
obj1.initReal(leaderLineLength);
update ("LL", &obj1);
}
void AnnotLine::setCaption(bool new_cap) {
Object obj1;
caption = new_cap;
obj1.initBool(new_cap);
update ("Cap", &obj1);
}
void AnnotLine::setIntent(AnnotLineIntent new_intent) {
Object obj1;
intent = new_intent;
if (new_intent == intentLineArrow)
obj1.initName("LineArrow");
else // intentLineDimension
obj1.initName("LineDimension");
update ("IT", &obj1);
}
void AnnotLine::generateLineAppearance()
{
double borderWidth, ca = opacity;
appearBBox = new AnnotAppearanceBBox(rect);
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color) {
setColor(color, gFalse);
}
if (border) {
int i, dashLength;
double *dash;
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (i = 0; i < dashLength; ++i)
appearBuf->appendf(" {0:.2f}", dash[i]);
appearBuf->append(" ] 0 d\n");
break;
default:
appearBuf->append("[] 0 d\n");
break;
}
borderWidth = border->getWidth();
appearBuf->appendf("{0:.2f} w\n", borderWidth);
appearBBox->setBorderWidth(borderWidth);
} else {
borderWidth = 0;
}
const double x1 = coord1->getX();
const double y1 = coord1->getY();
const double x2 = coord2->getX();
const double y2 = coord2->getY();
// Main segment length
const double main_len = sqrt((x2-x1)*(x2-x1) + (y2-y1)*(y2-y1));
// Main segment becomes positive x direction, coord1 becomes (0,0)
Matrix matr;
const double angle = atan2(y2 - y1, x2 - x1);
matr.m[0] = matr.m[3] = cos(angle);
matr.m[1] = sin(angle);
matr.m[2] = -matr.m[1];
matr.m[4] = x1-rect->x1;
matr.m[5] = y1-rect->y1;
double tx, ty, captionwidth = 0, captionheight = 0;
AnnotLineCaptionPos actualCaptionPos = captionPos;
const double fontsize = 9;
const double captionhmargin = 2; // Left and right margin (inline caption only)
const double captionmaxwidth = main_len - 2 * captionhmargin;
Object fontResDict;
GfxFont *font;
// Calculate caption width and height
if (caption) {
font = createAnnotDrawFont(xref, &fontResDict);
int lines = 0;
int i = 0;
while (i < contents->getLength()) {
GooString out;
double linewidth;
layoutText(contents, &out, &i, font, &linewidth, 0, NULL, gFalse);
linewidth *= fontsize;
if (linewidth > captionwidth) {
captionwidth = linewidth;
}
++lines;
}
captionheight = lines * fontsize;
// If text is longer than available space, turn into captionPosTop
if (captionwidth > captionmaxwidth) {
actualCaptionPos = captionPosTop;
}
} else {
fontResDict.initNull();
font = NULL;
}
// Draw main segment
matr.transform (0, leaderLineLength, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", tx, ty);
appearBBox->extendTo (tx, ty);
if (captionwidth != 0 && actualCaptionPos == captionPosInline) { // Break in the middle
matr.transform ((main_len-captionwidth)/2 - captionhmargin, leaderLineLength, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} l S\n", tx, ty);
matr.transform ((main_len+captionwidth)/2 + captionhmargin, leaderLineLength, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", tx, ty);
}
matr.transform (main_len, leaderLineLength, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} l S\n", tx, ty);
appearBBox->extendTo (tx, ty);
// TODO: Line endings
// Draw caption text
if (caption) {
double tlx = (main_len - captionwidth) / 2, tly; // Top-left coords
if (actualCaptionPos == captionPosInline) {
tly = leaderLineLength + captionheight / 2;
} else {
tly = leaderLineLength + captionheight + 2*borderWidth;
}
tlx += captionTextHorizontal;
tly += captionTextVertical;
// Adjust bounding box
matr.transform (tlx, tly-captionheight, &tx, &ty);
appearBBox->extendTo (tx, ty);
matr.transform (tlx+captionwidth, tly-captionheight, &tx, &ty);
appearBBox->extendTo (tx, ty);
matr.transform (tlx+captionwidth, tly, &tx, &ty);
appearBBox->extendTo (tx, ty);
matr.transform (tlx, tly, &tx, &ty);
appearBBox->extendTo (tx, ty);
// Setup text state (reusing transformed top-left coord)
appearBuf->appendf ("0 g BT /AnnotDrawFont {0:.2f} Tf\n", fontsize); // Font color: black
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} Tm\n",
matr.m[0], matr.m[1], matr.m[2], matr.m[3], tx, ty);
appearBuf->appendf ("0 {0:.2f} Td\n", -fontsize * font->getDescent());
// Draw text
int i = 0;
double xposPrev = 0;
while (i < contents->getLength()) {
GooString out;
double linewidth, xpos;
layoutText(contents, &out, &i, font, &linewidth, 0, NULL, gFalse);
linewidth *= fontsize;
xpos = (captionwidth - linewidth) / 2;
appearBuf->appendf("{0:.2f} {1:.2f} Td\n", xpos - xposPrev, -fontsize);
writeString(&out, appearBuf);
appearBuf->append ("Tj\n");
xposPrev = xpos;
}
appearBuf->append ("ET\n");
font->decRefCnt();
}
// Draw leader lines
double ll_len = fabs(leaderLineLength) + leaderLineExtension;
double sign = leaderLineLength >= 0 ? 1 : -1;
if (ll_len != 0) {
matr.transform (0, 0, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", tx, ty);
appearBBox->extendTo (tx, ty);
matr.transform (0, sign*ll_len, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} l S\n", tx, ty);
appearBBox->extendTo (tx, ty);
matr.transform (main_len, 0, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", tx, ty);
appearBBox->extendTo (tx, ty);
matr.transform (main_len, sign*ll_len, &tx, &ty);
appearBuf->appendf ("{0:.2f} {1:.2f} l S\n", tx, ty);
appearBBox->extendTo (tx, ty);
}
appearBuf->append ("Q\n");
double bbox[4];
appearBBox->getBBoxRect(bbox);
if (ca == 1) {
createForm(bbox, gFalse, &fontResDict, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, &fontResDict, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
void AnnotLine::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
generateLineAppearance();
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (appearBBox) {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
appearBBox->getPageXMin(), appearBBox->getPageYMin(),
appearBBox->getPageXMax(), appearBBox->getPageYMax());
} else {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
}
obj.free();
}
// Before retrieving the res dict, regenerate the appearance stream if needed,
// because AnnotLine::draw may need to store font info in the res dict
Object *AnnotLine::getAppearanceResDict(Object *dest) {
if (appearance.isNull()) {
generateLineAppearance();
}
return Annot::getAppearanceResDict(dest);
}
//------------------------------------------------------------------------
// AnnotTextMarkup
//------------------------------------------------------------------------
AnnotTextMarkup::AnnotTextMarkup(PDFDoc *docA, PDFRectangle *rect, AnnotSubtype subType,
AnnotQuadrilaterals *quadPoints) :
AnnotMarkup(docA, rect) {
Object obj1;
switch (subType) {
case typeHighlight:
annotObj.dictSet ("Subtype", obj1.initName ("Highlight"));
break;
case typeUnderline:
annotObj.dictSet ("Subtype", obj1.initName ("Underline"));
break;
case typeSquiggly:
annotObj.dictSet ("Subtype", obj1.initName ("Squiggly"));
break;
case typeStrikeOut:
annotObj.dictSet ("Subtype", obj1.initName ("StrikeOut"));
break;
default:
assert (0 && "Invalid subtype for AnnotTextMarkup\n");
}
Object obj2;
obj2.initArray (doc->getXRef());
for (int i = 0; i < quadPoints->getQuadrilateralsLength(); ++i) {
Object obj3;
obj2.arrayAdd (obj3.initReal (quadPoints->getX1(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getY1(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getX2(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getY2(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getX3(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getY3(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getX4(i)));
obj2.arrayAdd (obj3.initReal (quadPoints->getY4(i)));
}
annotObj.dictSet ("QuadPoints", &obj2);
initialize(docA, annotObj.getDict());
}
AnnotTextMarkup::AnnotTextMarkup(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
// the real type will be read in initialize()
type = typeHighlight;
initialize(docA, dict);
}
void AnnotTextMarkup::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
if (dict->lookup("Subtype", &obj1)->isName()) {
GooString typeName(obj1.getName());
if (!typeName.cmp("Highlight")) {
type = typeHighlight;
} else if (!typeName.cmp("Underline")) {
type = typeUnderline;
} else if (!typeName.cmp("Squiggly")) {
type = typeSquiggly;
} else if (!typeName.cmp("StrikeOut")) {
type = typeStrikeOut;
}
}
obj1.free();
if(dict->lookup("QuadPoints", &obj1)->isArray()) {
quadrilaterals = new AnnotQuadrilaterals(obj1.getArray(), rect);
} else {
error(errSyntaxError, -1, "Bad Annot Text Markup QuadPoints");
quadrilaterals = NULL;
ok = gFalse;
}
obj1.free();
}
AnnotTextMarkup::~AnnotTextMarkup() {
if(quadrilaterals) {
delete quadrilaterals;
}
}
void AnnotTextMarkup::setType(AnnotSubtype new_type) {
Object obj1;
switch (new_type) {
case typeHighlight:
obj1.initName("Highlight");
break;
case typeUnderline:
obj1.initName("Underline");
break;
case typeSquiggly:
obj1.initName("Squiggly");
break;
case typeStrikeOut:
obj1.initName("StrikeOut");
break;
default:
assert(!"Invalid subtype");
}
type = new_type;
update("Subtype", &obj1);
}
void AnnotTextMarkup::setQuadrilaterals(AnnotQuadrilaterals *quadPoints) {
Object obj1, obj2;
obj1.initArray (xref);
for (int i = 0; i < quadPoints->getQuadrilateralsLength(); ++i) {
obj1.arrayAdd (obj2.initReal (quadPoints->getX1(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getY1(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getX2(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getY2(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getX3(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getY3(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getX4(i)));
obj1.arrayAdd (obj2.initReal (quadPoints->getY4(i)));
}
quadrilaterals = new AnnotQuadrilaterals(obj1.getArray(), rect);
annotObj.dictSet ("QuadPoints", &obj1);
}
void AnnotTextMarkup::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
int i;
Object obj1, obj2;
if (!isVisible (printing))
return;
if (appearance.isNull() || type == typeHighlight) {
GBool blendMultiply = gTrue;
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
/* Adjust BBox */
delete appearBBox;
appearBBox = new AnnotAppearanceBBox(rect);
for (i = 0; i < quadrilaterals->getQuadrilateralsLength(); ++i) {
appearBBox->extendTo (quadrilaterals->getX1(i) - rect->x1, quadrilaterals->getY1(i) - rect->y1);
appearBBox->extendTo (quadrilaterals->getX2(i) - rect->x1, quadrilaterals->getY2(i) - rect->y1);
appearBBox->extendTo (quadrilaterals->getX3(i) - rect->x1, quadrilaterals->getY3(i) - rect->y1);
appearBBox->extendTo (quadrilaterals->getX4(i) - rect->x1, quadrilaterals->getY4(i) - rect->y1);
}
switch (type) {
case typeUnderline:
if (color) {
setColor(color, gFalse);
}
appearBuf->append ("[] 0 d 1 w\n");
for (i = 0; i < quadrilaterals->getQuadrilateralsLength(); ++i) {
double x3, y3, x4, y4;
x3 = quadrilaterals->getX3(i);
y3 = quadrilaterals->getY3(i);
x4 = quadrilaterals->getX4(i);
y4 = quadrilaterals->getY4(i);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", x3, y3);
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", x4, y4);
appearBuf->append ("S\n");
}
break;
case typeStrikeOut:
if (color) {
setColor(color, gFalse);
}
blendMultiply = gFalse;
appearBuf->append ("[] 0 d 1 w\n");
for (i = 0; i < quadrilaterals->getQuadrilateralsLength(); ++i) {
double x1, y1, x2, y2;
double x3, y3, x4, y4;
x1 = quadrilaterals->getX1(i);
y1 = quadrilaterals->getY1(i);
x2 = quadrilaterals->getX2(i);
y2 = quadrilaterals->getY2(i);
x3 = quadrilaterals->getX3(i);
y3 = quadrilaterals->getY3(i);
x4 = quadrilaterals->getX4(i);
y4 = quadrilaterals->getY4(i);
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", (x1+x3)/2., (y1+y3)/2.);
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", (x2+x4)/2., (y2+y4)/2.);
appearBuf->append ("S\n");
}
break;
case typeSquiggly:
if (color) {
setColor(color, gFalse);
}
appearBuf->append ("[] 0 d 1 w\n");
for (i = 0; i < quadrilaterals->getQuadrilateralsLength(); ++i) {
double x1, y1, x2, y3;
double h6;
x1 = quadrilaterals->getX1(i);
y1 = quadrilaterals->getY1(i);
x2 = quadrilaterals->getX2(i);
y3 = quadrilaterals->getY3(i);
h6 = (y1 - y3) / 6.0;
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", x1, y3+h6);
bool down = false;
do {
down = !down; // Zigzag line
x1 += 2;
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", x1, y3 + (down ? 0 : h6));
} while (x1 < x2);
appearBuf->append ("S\n");
}
break;
default:
case typeHighlight:
appearance.free();
if (color)
setColor(color, gTrue);
double biggestBorder = 0;
for (i = 0; i < quadrilaterals->getQuadrilateralsLength(); ++i) {
double x1, y1, x2, y2, x3, y3, x4, y4;
double h4;
x1 = quadrilaterals->getX1(i);
y1 = quadrilaterals->getY1(i);
x2 = quadrilaterals->getX2(i);
y2 = quadrilaterals->getY2(i);
x3 = quadrilaterals->getX3(i);
y3 = quadrilaterals->getY3(i);
x4 = quadrilaterals->getX4(i);
y4 = quadrilaterals->getY4(i);
h4 = fabs(y1 - y3) / 4.0;
if (h4 > biggestBorder) {
biggestBorder = h4;
}
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", x3, y3);
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x3 - h4, y3 + h4, x1 - h4, y1 - h4, x1, y1);
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", x2, y2);
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x2 + h4, y2 - h4, x4 + h4, y4 + h4, x4, y4);
appearBuf->append ("f\n");
}
appearBBox->setBorderWidth(biggestBorder);
break;
}
appearBuf->append ("Q\n");
Object aStream, resDict;
double bbox[4];
bbox[0] = appearBBox->getPageXMin();
bbox[1] = appearBBox->getPageYMin();
bbox[2] = appearBBox->getPageXMax();
bbox[3] = appearBBox->getPageYMax();
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", 1, blendMultiply ? "Multiply" : NULL, &resDict);
if (ca == 1) {
createForm(bbox, gFalse, &resDict, &appearance);
} else {
createForm(bbox, gTrue, &resDict, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (appearBBox) {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
appearBBox->getPageXMin(), appearBBox->getPageYMin(),
appearBBox->getPageXMax(), appearBBox->getPageYMax());
} else {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
}
obj.free();
}
//------------------------------------------------------------------------
// AnnotWidget
//------------------------------------------------------------------------
AnnotWidget::AnnotWidget(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = typeWidget;
field = NULL;
initialize(docA, dict);
}
AnnotWidget::AnnotWidget(PDFDoc *docA, Dict *dict, Object *obj, FormField *fieldA) :
Annot(docA, dict, obj) {
type = typeWidget;
field = fieldA;
initialize(docA, dict);
}
AnnotWidget::~AnnotWidget() {
if (appearCharacs)
delete appearCharacs;
if (action)
delete action;
additionalActions.free();
if (parent)
delete parent;
}
void AnnotWidget::initialize(PDFDoc *docA, Dict *dict) {
Object obj1;
form = doc->getCatalog()->getForm();
if(dict->lookup("H", &obj1)->isName()) {
const char *modeName = obj1.getName();
if(!strcmp(modeName, "N")) {
mode = highlightModeNone;
} else if(!strcmp(modeName, "O")) {
mode = highlightModeOutline;
} else if(!strcmp(modeName, "P") || !strcmp(modeName, "T")) {
mode = highlightModePush;
} else {
mode = highlightModeInvert;
}
} else {
mode = highlightModeInvert;
}
obj1.free();
if(dict->lookup("MK", &obj1)->isDict()) {
appearCharacs = new AnnotAppearanceCharacs(obj1.getDict());
} else {
appearCharacs = NULL;
}
obj1.free();
action = NULL;
if(dict->lookup("A", &obj1)->isDict()) {
action = LinkAction::parseAction(&obj1, doc->getCatalog()->getBaseURI());
}
obj1.free();
dict->lookupNF("AA", &additionalActions);
if(dict->lookup("Parent", &obj1)->isDict()) {
parent = NULL;
} else {
parent = NULL;
}
obj1.free();
updatedAppearanceStream.num = updatedAppearanceStream.gen = -1;
}
LinkAction* AnnotWidget::getAdditionalAction(AdditionalActionsType type)
{
return ::getAdditionalAction(type, &additionalActions, doc);
}
// Grand unified handler for preparing text strings to be drawn into form
// fields. Takes as input a text string (in PDFDocEncoding or UTF-16).
// Converts some or all of this string to the appropriate encoding for the
// specified font, and computes the width of the text. Can optionally stop
// converting when a specified width has been reached, to perform line-breaking
// for multi-line fields.
//
// Parameters:
// text: input text string to convert
// outBuf: buffer for writing re-encoded string
// i: index at which to start converting; will be updated to point just after
// last character processed
// font: the font which will be used for display
// width: computed width (unscaled by font size) will be stored here
// widthLimit: if non-zero, stop converting to keep width under this value
// (should be scaled down by font size)
// charCount: count of number of characters will be stored here
// noReencode: if set, do not try to translate the character encoding
// (useful for Zapf Dingbats or other unusual encodings)
// can only be used with simple fonts, not CID-keyed fonts
//
// TODO: Handle surrogate pairs in UTF-16.
// Should be able to generate output for any CID-keyed font.
// Doesn't handle vertical fonts--should it?
void Annot::layoutText(GooString *text, GooString *outBuf, int *i,
GfxFont *font, double *width, double widthLimit,
int *charCount, GBool noReencode)
{
CharCode c;
Unicode uChar, *uAux;
double w = 0.0;
int uLen, n;
double dx, dy, ox, oy;
GBool unicode = text->hasUnicodeMarker();
GBool spacePrev; // previous character was a space
// State for backtracking when more text has been processed than fits within
// widthLimit. We track for both input (text) and output (outBuf) the offset
// to the first character to discard.
//
// We keep track of several points:
// 1 - end of previous completed word which fits
// 2 - previous character which fit
int last_i1, last_i2, last_o1, last_o2;
if (unicode && text->getLength() % 2 != 0) {
error(errSyntaxError, -1, "AnnotWidget::layoutText, bad unicode string");
return;
}
// skip Unicode marker on string if needed
if (unicode && *i == 0)
*i = 2;
// Start decoding and copying characters, until either:
// we reach the end of the string
// we reach the maximum width
// we reach a newline character
// As we copy characters, keep track of the last full word to fit, so that we
// can backtrack if we exceed the maximum width.
last_i1 = last_i2 = *i;
last_o1 = last_o2 = 0;
spacePrev = gFalse;
outBuf->clear();
while (*i < text->getLength()) {
last_i2 = *i;
last_o2 = outBuf->getLength();
if (unicode) {
uChar = (unsigned char)(text->getChar(*i)) << 8;
uChar += (unsigned char)(text->getChar(*i + 1));
*i += 2;
} else {
if (noReencode)
uChar = text->getChar(*i) & 0xff;
else
uChar = pdfDocEncoding[text->getChar(*i) & 0xff];
*i += 1;
}
// Explicit line break?
if (uChar == '\r' || uChar == '\n') {
// Treat a <CR><LF> sequence as a single line break
if (uChar == '\r' && *i < text->getLength()) {
if (unicode && text->getChar(*i) == '\0'
&& text->getChar(*i + 1) == '\n')
*i += 2;
else if (!unicode && text->getChar(*i) == '\n')
*i += 1;
}
break;
}
if (noReencode) {
outBuf->append(uChar);
} else {
CharCodeToUnicode *ccToUnicode = font->getToUnicode();
if (!ccToUnicode) {
// This assumes an identity CMap.
outBuf->append((uChar >> 8) & 0xff);
outBuf->append(uChar & 0xff);
} else if (ccToUnicode->mapToCharCode(&uChar, &c, 1)) {
ccToUnicode->decRefCnt();
if (font->isCIDFont()) {
// TODO: This assumes an identity CMap. It should be extended to
// handle the general case.
outBuf->append((c >> 8) & 0xff);
outBuf->append(c & 0xff);
} else {
// 8-bit font
outBuf->append(c);
}
} else {
ccToUnicode->decRefCnt();
error(errSyntaxError, -1, "AnnotWidget::layoutText, cannot convert U+{0:04uX}", uChar);
}
}
// If we see a space, then we have a linebreak opportunity.
if (uChar == ' ') {
last_i1 = *i;
if (!spacePrev)
last_o1 = last_o2;
spacePrev = gTrue;
} else {
spacePrev = gFalse;
}
// Compute width of character just output
if (outBuf->getLength() > last_o2) {
dx = 0.0;
font->getNextChar(outBuf->getCString() + last_o2,
outBuf->getLength() - last_o2,
&c, &uAux, &uLen, &dx, &dy, &ox, &oy);
w += dx;
}
// Current line over-full now?
if (widthLimit > 0.0 && w > widthLimit) {
if (last_o1 > 0) {
// Back up to the previous word which fit, if there was a previous
// word.
*i = last_i1;
outBuf->del(last_o1, outBuf->getLength() - last_o1);
} else if (last_o2 > 0) {
// Otherwise, back up to the previous character (in the only word on
// this line)
*i = last_i2;
outBuf->del(last_o2, outBuf->getLength() - last_o2);
} else {
// Otherwise, we were trying to fit the first character; include it
// anyway even if it overflows the space--no updates to make.
}
break;
}
}
// If splitting input into lines because we reached the width limit, then
// consume any remaining trailing spaces that would go on this line from the
// input. If in doing so we reach a newline, consume that also. This code
// won't run if we stopped at a newline above, since in that case w <=
// widthLimit still.
if (widthLimit > 0.0 && w > widthLimit) {
if (unicode) {
while (*i < text->getLength()
&& text->getChar(*i) == '\0' && text->getChar(*i + 1) == ' ')
*i += 2;
if (*i < text->getLength()
&& text->getChar(*i) == '\0' && text->getChar(*i + 1) == '\r')
*i += 2;
if (*i < text->getLength()
&& text->getChar(*i) == '\0' && text->getChar(*i + 1) == '\n')
*i += 2;
} else {
while (*i < text->getLength() && text->getChar(*i) == ' ')
*i += 1;
if (*i < text->getLength() && text->getChar(*i) == '\r')
*i += 1;
if (*i < text->getLength() && text->getChar(*i) == '\n')
*i += 1;
}
}
// Compute the actual width and character count of the final string, based on
// breakpoint, if this information is requested by the caller.
if (width != NULL || charCount != NULL) {
char *s = outBuf->getCString();
int len = outBuf->getLength();
if (width != NULL)
*width = 0.0;
if (charCount != NULL)
*charCount = 0;
while (len > 0) {
dx = 0.0;
n = font->getNextChar(s, len, &c, &uAux, &uLen, &dx, &dy, &ox, &oy);
if (n == 0) {
break;
}
if (width != NULL)
*width += dx;
if (charCount != NULL)
*charCount += 1;
s += n;
len -= n;
}
}
}
// Copy the given string to appearBuf, adding parentheses around it and
// escaping characters as appropriate.
void Annot::writeString(GooString *str, GooString *appearBuf)
{
char c;
int i;
appearBuf->append('(');
for (i = 0; i < str->getLength(); ++i) {
c = str->getChar(i);
if (c == '(' || c == ')' || c == '\\') {
appearBuf->append('\\');
appearBuf->append(c);
} else if (c < 0x20) {
appearBuf->appendf("\\{0:03o}", (unsigned char)c);
} else {
appearBuf->append(c);
}
}
appearBuf->append(')');
}
// Draw the variable text or caption for a field.
void AnnotWidget::drawText(GooString *text, GooString *da, GfxResources *resources,
GBool multiline, int comb, int quadding,
GBool txField, GBool forceZapfDingbats,
GBool password) {
GooList *daToks;
GooString *tok, *convertedText;
GfxFont *font;
double dx, dy;
double fontSize, fontSize2, borderWidth, x, xPrev, y, w, wMax;
int tfPos, tmPos, i, j;
int rot;
GBool freeText = gFalse; // true if text should be freed before return
GBool freeFont = gFalse;
//~ if there is no MK entry, this should use the existing content stream,
//~ and only replace the marked content portion of it
//~ (this is only relevant for Tx fields)
// parse the default appearance string
tfPos = tmPos = -1;
if (da) {
daToks = new GooList();
i = 0;
while (i < da->getLength()) {
while (i < da->getLength() && Lexer::isSpace(da->getChar(i))) {
++i;
}
if (i < da->getLength()) {
for (j = i + 1;
j < da->getLength() && !Lexer::isSpace(da->getChar(j));
++j) ;
daToks->append(new GooString(da, i, j - i));
i = j;
}
}
for (i = 2; i < daToks->getLength(); ++i) {
if (i >= 2 && !((GooString *)daToks->get(i))->cmp("Tf")) {
tfPos = i - 2;
} else if (i >= 6 && !((GooString *)daToks->get(i))->cmp("Tm")) {
tmPos = i - 6;
}
}
} else {
daToks = NULL;
}
// force ZapfDingbats
if (forceZapfDingbats) {
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos);
if (tok->cmp("/ZaDb")) {
tok->clear();
tok->append("/ZaDb");
}
}
}
// get the font and font size
font = NULL;
fontSize = 0;
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos);
if (tok->getLength() >= 1 && tok->getChar(0) == '/') {
if (!resources || !(font = resources->lookupFont(tok->getCString() + 1))) {
if (forceZapfDingbats) {
// We are forcing ZaDb but the font does not exist
// so create a fake one
Ref r; // dummy Ref, it's not used at all in this codepath
r.num = -1;
r.gen = -1;
Dict *d = new Dict(xref);
font = new Gfx8BitFont(xref, "ZaDb", r, new GooString("ZapfDingbats"), fontType1, r, d);
delete d;
freeFont = gTrue;
addDingbatsResource = gTrue;
} else {
error(errSyntaxError, -1, "Unknown font in field's DA string");
}
}
} else {
error(errSyntaxError, -1, "Invalid font name in 'Tf' operator in field's DA string");
}
tok = (GooString *)daToks->get(tfPos + 1);
fontSize = gatof(tok->getCString());
} else {
error(errSyntaxError, -1, "Missing 'Tf' operator in field's DA string");
}
if (!font) {
if (daToks) {
deleteGooList(daToks, GooString);
}
return;
}
// get the border width
borderWidth = border ? border->getWidth() : 0;
// for a password field, replace all characters with asterisks
if (password) {
int len;
if (text->hasUnicodeMarker())
len = (text->getLength() - 2) / 2;
else
len = text->getLength();
text = new GooString;
for (i = 0; i < len; ++i)
text->append('*');
freeText = gTrue;
}
convertedText = new GooString;
// setup
if (txField) {
appearBuf->append("/Tx BMC\n");
}
appearBuf->append("q\n");
rot = appearCharacs ? appearCharacs->getRotation() : 0;
switch (rot) {
case 90:
appearBuf->appendf("0 1 -1 0 {0:.2f} 0 cm\n", rect->x2 - rect->x1);
dx = rect->y2 - rect->y1;
dy = rect->x2 - rect->x1;
break;
case 180:
appearBuf->appendf("-1 0 0 -1 {0:.2f} {1:.2f} cm\n",
rect->x2 - rect->x1, rect->y2 - rect->y1);
dx = rect->x2 - rect->y2;
dy = rect->y2 - rect->y1;
break;
case 270:
appearBuf->appendf("0 -1 1 0 0 {0:.2f} cm\n", rect->y2 - rect->y1);
dx = rect->y2 - rect->y1;
dy = rect->x2 - rect->x1;
break;
default: // assume rot == 0
dx = rect->x2 - rect->x1;
dy = rect->y2 - rect->y1;
break;
}
appearBuf->append("BT\n");
// multi-line text
if (multiline) {
// note: the comb flag is ignored in multiline mode
wMax = dx - 2 * borderWidth - 4;
// compute font autosize
if (fontSize == 0) {
for (fontSize = 20; fontSize > 1; --fontSize) {
y = dy - 3;
i = 0;
while (i < text->getLength()) {
layoutText(text, convertedText, &i, font, &w, wMax / fontSize, NULL,
forceZapfDingbats);
y -= fontSize;
}
// approximate the descender for the last line
if (y >= 0.33 * fontSize) {
break;
}
}
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos + 1);
tok->clear();
tok->appendf("{0:.2f}", fontSize);
}
}
// starting y coordinate
// (note: each line of text starts with a Td operator that moves
// down a line)
y = dy - 3;
// set the font matrix
if (tmPos >= 0) {
tok = (GooString *)daToks->get(tmPos + 4);
tok->clear();
tok->append('0');
tok = (GooString *)daToks->get(tmPos + 5);
tok->clear();
tok->appendf("{0:.2f}", y);
}
// write the DA string
if (daToks) {
for (i = 0; i < daToks->getLength(); ++i) {
appearBuf->append((GooString *)daToks->get(i))->append(' ');
}
}
// write the font matrix (if not part of the DA string)
if (tmPos < 0) {
appearBuf->appendf("1 0 0 1 0 {0:.2f} Tm\n", y);
}
// write a series of lines of text
i = 0;
xPrev = 0;
while (i < text->getLength()) {
layoutText(text, convertedText, &i, font, &w, wMax / fontSize, NULL,
forceZapfDingbats);
w *= fontSize;
// compute text start position
switch (quadding) {
case quaddingLeftJustified:
default:
x = borderWidth + 2;
break;
case quaddingCentered:
x = (dx - w) / 2;
break;
case quaddingRightJustified:
x = dx - borderWidth - 2 - w;
break;
}
// draw the line
appearBuf->appendf("{0:.2f} {1:.2f} Td\n", x - xPrev, -fontSize);
writeString(convertedText, appearBuf);
appearBuf->append(" Tj\n");
// next line
xPrev = x;
}
// single-line text
} else {
//~ replace newlines with spaces? - what does Acrobat do?
// comb formatting
if (comb > 0) {
int charCount;
// compute comb spacing
w = (dx - 2 * borderWidth) / comb;
// compute font autosize
if (fontSize == 0) {
fontSize = dy - 2 * borderWidth;
if (w < fontSize) {
fontSize = w;
}
fontSize = floor(fontSize);
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos + 1);
tok->clear();
tok->appendf("{0:.2f}", fontSize);
}
}
i = 0;
layoutText(text, convertedText, &i, font, NULL, 0.0, &charCount,
forceZapfDingbats);
if (charCount > comb)
charCount = comb;
// compute starting text cell
switch (quadding) {
case quaddingLeftJustified:
default:
x = borderWidth;
break;
case quaddingCentered:
x = borderWidth + (comb - charCount) / 2 * w;
break;
case quaddingRightJustified:
x = borderWidth + (comb - charCount) * w;
break;
}
y = 0.5 * dy - 0.4 * fontSize;
// set the font matrix
if (tmPos >= 0) {
tok = (GooString *)daToks->get(tmPos + 4);
tok->clear();
tok->appendf("{0:.2f}", x);
tok = (GooString *)daToks->get(tmPos + 5);
tok->clear();
tok->appendf("{0:.2f}", y);
}
// write the DA string
if (daToks) {
for (i = 0; i < daToks->getLength(); ++i) {
appearBuf->append((GooString *)daToks->get(i))->append(' ');
}
}
// write the font matrix (if not part of the DA string)
if (tmPos < 0) {
appearBuf->appendf("1 0 0 1 {0:.2f} {1:.2f} Tm\n", x, y);
}
// write the text string
char *s = convertedText->getCString();
int len = convertedText->getLength();
i = 0;
xPrev = w; // so that first character is placed properly
while (i < comb && len > 0) {
CharCode code;
Unicode *uAux;
int uLen, n;
double dx, dy, ox, oy;
dx = 0.0;
n = font->getNextChar(s, len, &code, &uAux, &uLen, &dx, &dy, &ox, &oy);
dx *= fontSize;
// center each character within its cell, by advancing the text
// position the appropriate amount relative to the start of the
// previous character
x = 0.5 * (w - dx);
appearBuf->appendf("{0:.2f} 0 Td\n", x - xPrev + w);
GooString *charBuf = new GooString(s, n);
writeString(charBuf, appearBuf);
appearBuf->append(" Tj\n");
delete charBuf;
i++;
s += n;
len -= n;
xPrev = x;
}
// regular (non-comb) formatting
} else {
i = 0;
layoutText(text, convertedText, &i, font, &w, 0.0, NULL,
forceZapfDingbats);
// compute font autosize
if (fontSize == 0) {
fontSize = dy - 2 * borderWidth;
fontSize2 = (dx - 4 - 2 * borderWidth) / w;
if (fontSize2 < fontSize) {
fontSize = fontSize2;
}
fontSize = floor(fontSize);
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos + 1);
tok->clear();
tok->appendf("{0:.2f}", fontSize);
}
}
// compute text start position
w *= fontSize;
switch (quadding) {
case quaddingLeftJustified:
default:
x = borderWidth + 2;
break;
case quaddingCentered:
x = (dx - w) / 2;
break;
case quaddingRightJustified:
x = dx - borderWidth - 2 - w;
break;
}
y = 0.5 * dy - 0.4 * fontSize;
// set the font matrix
if (tmPos >= 0) {
tok = (GooString *)daToks->get(tmPos + 4);
tok->clear();
tok->appendf("{0:.2f}", x);
tok = (GooString *)daToks->get(tmPos + 5);
tok->clear();
tok->appendf("{0:.2f}", y);
}
// write the DA string
if (daToks) {
for (i = 0; i < daToks->getLength(); ++i) {
appearBuf->append((GooString *)daToks->get(i))->append(' ');
}
}
// write the font matrix (if not part of the DA string)
if (tmPos < 0) {
appearBuf->appendf("1 0 0 1 {0:.2f} {1:.2f} Tm\n", x, y);
}
// write the text string
writeString(convertedText, appearBuf);
appearBuf->append(" Tj\n");
}
}
// cleanup
appearBuf->append("ET\n");
appearBuf->append("Q\n");
if (txField) {
appearBuf->append("EMC\n");
}
if (daToks) {
deleteGooList(daToks, GooString);
}
if (freeText) {
delete text;
}
delete convertedText;
if (freeFont) {
font->decRefCnt();
}
}
// Draw the variable text or caption for a field.
void AnnotWidget::drawListBox(FormFieldChoice *fieldChoice,
GooString *da, GfxResources *resources, int quadding) {
GooList *daToks;
GooString *tok, *convertedText;
GfxFont *font;
double fontSize, fontSize2, borderWidth, x, y, w, wMax;
int tfPos, tmPos, i, j;
//~ if there is no MK entry, this should use the existing content stream,
//~ and only replace the marked content portion of it
//~ (this is only relevant for Tx fields)
// parse the default appearance string
tfPos = tmPos = -1;
if (da) {
daToks = new GooList();
i = 0;
while (i < da->getLength()) {
while (i < da->getLength() && Lexer::isSpace(da->getChar(i))) {
++i;
}
if (i < da->getLength()) {
for (j = i + 1;
j < da->getLength() && !Lexer::isSpace(da->getChar(j));
++j) ;
daToks->append(new GooString(da, i, j - i));
i = j;
}
}
for (i = 2; i < daToks->getLength(); ++i) {
if (i >= 2 && !((GooString *)daToks->get(i))->cmp("Tf")) {
tfPos = i - 2;
} else if (i >= 6 && !((GooString *)daToks->get(i))->cmp("Tm")) {
tmPos = i - 6;
}
}
} else {
daToks = NULL;
}
// get the font and font size
font = NULL;
fontSize = 0;
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos);
if (tok->getLength() >= 1 && tok->getChar(0) == '/') {
if (!resources || !(font = resources->lookupFont(tok->getCString() + 1))) {
error(errSyntaxError, -1, "Unknown font in field's DA string");
}
} else {
error(errSyntaxError, -1, "Invalid font name in 'Tf' operator in field's DA string");
}
tok = (GooString *)daToks->get(tfPos + 1);
fontSize = gatof(tok->getCString());
} else {
error(errSyntaxError, -1, "Missing 'Tf' operator in field's DA string");
}
if (!font) {
if (daToks) {
deleteGooList(daToks, GooString);
}
return;
}
convertedText = new GooString;
// get the border width
borderWidth = border ? border->getWidth() : 0;
// compute font autosize
if (fontSize == 0) {
wMax = 0;
for (i = 0; i < fieldChoice->getNumChoices(); ++i) {
j = 0;
if (fieldChoice->getChoice(i) == NULL) {
error(errSyntaxError, -1, "Invalid annotation listbox");
if (daToks) {
deleteGooList(daToks, GooString);
}
delete convertedText;
return;
}
layoutText(fieldChoice->getChoice(i), convertedText, &j, font, &w, 0.0, NULL, gFalse);
if (w > wMax) {
wMax = w;
}
}
fontSize = rect->y2 - rect->y1 - 2 * borderWidth;
fontSize2 = (rect->x2 - rect->x1 - 4 - 2 * borderWidth) / wMax;
if (fontSize2 < fontSize) {
fontSize = fontSize2;
}
fontSize = floor(fontSize);
if (tfPos >= 0) {
tok = (GooString *)daToks->get(tfPos + 1);
tok->clear();
tok->appendf("{0:.2f}", fontSize);
}
}
// draw the text
y = rect->y2 - rect->y1 - 1.1 * fontSize;
for (i = fieldChoice->getTopIndex(); i < fieldChoice->getNumChoices(); ++i) {
// setup
appearBuf->append("q\n");
// draw the background if selected
if (fieldChoice->isSelected(i)) {
appearBuf->append("0 g f\n");
appearBuf->appendf("{0:.2f} {1:.2f} {2:.2f} {3:.2f} re f\n",
borderWidth,
y - 0.2 * fontSize,
rect->x2 - rect->x1 - 2 * borderWidth,
1.1 * fontSize);
}
// setup
appearBuf->append("BT\n");
// compute text width and start position
j = 0;
layoutText(fieldChoice->getChoice(i), convertedText, &j, font, &w, 0.0, NULL, gFalse);
w *= fontSize;
switch (quadding) {
case quaddingLeftJustified:
default:
x = borderWidth + 2;
break;
case quaddingCentered:
x = (rect->x2 - rect->x1 - w) / 2;
break;
case quaddingRightJustified:
x = rect->x2 - rect->x1 - borderWidth - 2 - w;
break;
}
// set the font matrix
if (tmPos >= 0) {
tok = (GooString *)daToks->get(tmPos + 4);
tok->clear();
tok->appendf("{0:.2f}", x);
tok = (GooString *)daToks->get(tmPos + 5);
tok->clear();
tok->appendf("{0:.2f}", y);
}
// write the DA string
if (daToks) {
for (j = 0; j < daToks->getLength(); ++j) {
appearBuf->append((GooString *)daToks->get(j))->append(' ');
}
}
// write the font matrix (if not part of the DA string)
if (tmPos < 0) {
appearBuf->appendf("1 0 0 1 {0:.2f} {1:.2f} Tm\n", x, y);
}
// change the text color if selected
if (fieldChoice->isSelected(i)) {
appearBuf->append("1 g\n");
}
// write the text string
writeString(convertedText, appearBuf);
appearBuf->append(" Tj\n");
// cleanup
appearBuf->append("ET\n");
appearBuf->append("Q\n");
// next line
y -= 1.1 * fontSize;
}
if (daToks) {
deleteGooList(daToks, GooString);
}
delete convertedText;
}
void AnnotWidget::drawBorder() {
int dashLength;
double *dash;
AnnotColor adjustedColor;
double w = border->getWidth();
AnnotColor *aColor = appearCharacs->getBorderColor();
if (!aColor)
aColor = appearCharacs->getBackColor();
if (!aColor)
return;
double dx = rect->x2 - rect->x1;
double dy = rect->y2 - rect->y1;
// radio buttons with no caption have a round border
GBool hasCaption = appearCharacs->getNormalCaption() != NULL;
if (field->getType() == formButton &&
static_cast<FormFieldButton*>(field)->getButtonType() == formButtonRadio && !hasCaption) {
double r = 0.5 * (dx < dy ? dx : dy);
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (int i = 0; i < dashLength; ++i) {
appearBuf->appendf(" {0:.2f}", dash[i]);
}
appearBuf->append("] 0 d\n");
// fall through to the solid case
case AnnotBorder::borderSolid:
case AnnotBorder::borderUnderlined:
appearBuf->appendf("{0:.2f} w\n", w);
setColor(aColor, gFalse);
drawCircle(0.5 * dx, 0.5 * dy, r - 0.5 * w, gFalse);
break;
case AnnotBorder::borderBeveled:
case AnnotBorder::borderInset:
appearBuf->appendf("{0:.2f} w\n", 0.5 * w);
setColor(aColor, gFalse);
drawCircle(0.5 * dx, 0.5 * dy, r - 0.25 * w, gFalse);
adjustedColor = AnnotColor(*aColor);
adjustedColor.adjustColor(border->getStyle() == AnnotBorder::borderBeveled ? 1 : -1);
setColor(&adjustedColor, gFalse);
drawCircleTopLeft(0.5 * dx, 0.5 * dy, r - 0.75 * w);
adjustedColor = AnnotColor(*aColor);
adjustedColor.adjustColor(border->getStyle() == AnnotBorder::borderBeveled ? -1 : 1);
setColor(&adjustedColor, gFalse);
drawCircleBottomRight(0.5 * dx, 0.5 * dy, r - 0.75 * w);
break;
}
} else {
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (int i = 0; i < dashLength; ++i) {
appearBuf->appendf(" {0:.2f}", dash[i]);
}
appearBuf->append("] 0 d\n");
// fall through to the solid case
case AnnotBorder::borderSolid:
appearBuf->appendf("{0:.2f} w\n", w);
setColor(aColor, gFalse);
appearBuf->appendf("{0:.2f} {0:.2f} {1:.2f} {2:.2f} re s\n",
0.5 * w, dx - w, dy - w);
break;
case AnnotBorder::borderBeveled:
case AnnotBorder::borderInset:
adjustedColor = AnnotColor(*aColor);
adjustedColor.adjustColor(border->getStyle() == AnnotBorder::borderBeveled ? 1 : -1);
setColor(&adjustedColor, gTrue);
appearBuf->append("0 0 m\n");
appearBuf->appendf("0 {0:.2f} l\n", dy);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", dx, dy);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", dx - w, dy - w);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", w, dy - w);
appearBuf->appendf("{0:.2f} {0:.2f} l\n", w);
appearBuf->append("f\n");
adjustedColor = AnnotColor(*aColor);
adjustedColor.adjustColor(border->getStyle() == AnnotBorder::borderBeveled ? -1 : 1);
setColor(&adjustedColor, gTrue);
appearBuf->append("0 0 m\n");
appearBuf->appendf("{0:.2f} 0 l\n", dx);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", dx, dy);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", dx - w, dy - w);
appearBuf->appendf("{0:.2f} {1:.2f} l\n", dx - w, w);
appearBuf->appendf("{0:.2f} {0:.2f} l\n", w);
appearBuf->append("f\n");
break;
case AnnotBorder::borderUnderlined:
appearBuf->appendf("{0:.2f} w\n", w);
setColor(aColor, gFalse);
appearBuf->appendf("0 0 m {0:.2f} 0 l s\n", dx);
break;
}
// clip to the inside of the border
appearBuf->appendf("{0:.2f} {0:.2f} {1:.2f} {2:.2f} re W n\n",
w, dx - 2 * w, dy - 2 * w);
}
}
void AnnotWidget::drawFormFieldButton(GfxResources *resources, GooString *da) {
GooString *caption = NULL;
if (appearCharacs)
caption = appearCharacs->getNormalCaption();
switch (static_cast<FormFieldButton *>(field)->getButtonType()) {
case formButtonRadio: {
//~ Acrobat doesn't draw a caption if there is no AP dict (?)
if (appearState && appearState->cmp("Off") != 0) {
if (caption) {
drawText(caption, da, resources, gFalse, 0, fieldQuadCenter,
gFalse, gTrue);
} else if (appearCharacs) {
AnnotColor *aColor = appearCharacs->getBorderColor();
if (aColor) {
double dx = rect->x2 - rect->x1;
double dy = rect->y2 - rect->y1;
setColor(aColor, gTrue);
drawCircle(0.5 * dx, 0.5 * dy, 0.2 * (dx < dy ? dx : dy), gTrue);
}
}
}
}
break;
case formButtonPush:
if (caption)
drawText(caption, da, resources, gFalse, 0, fieldQuadCenter, gFalse, gFalse);
break;
case formButtonCheck:
if (appearState && appearState->cmp("Off") != 0) {
if (!caption) {
GooString checkMark("3");
drawText(&checkMark, da, resources, gFalse, 0, fieldQuadCenter, gFalse, gTrue);
} else {
drawText(caption, da, resources, gFalse, 0, fieldQuadCenter, gFalse, gTrue);
}
}
break;
}
}
void AnnotWidget::drawFormFieldText(GfxResources *resources, GooString *da) {
VariableTextQuadding quadding;
GooString *contents;
FormFieldText *fieldText = static_cast<FormFieldText *>(field);
contents = fieldText->getContent();
if (contents) {
quadding = field->hasTextQuadding() ? field->getTextQuadding() : form->getTextQuadding();
int comb = 0;
if (fieldText->isComb())
comb = fieldText->getMaxLen();
drawText(contents, da, resources,
fieldText->isMultiline(), comb, quadding, gTrue, gFalse, fieldText->isPassword());
}
}
void AnnotWidget::drawFormFieldChoice(GfxResources *resources, GooString *da) {
GooString *selected;
VariableTextQuadding quadding;
FormFieldChoice *fieldChoice = static_cast<FormFieldChoice *>(field);
quadding = field->hasTextQuadding() ? field->getTextQuadding() : form->getTextQuadding();
if (fieldChoice->isCombo()) {
selected = fieldChoice->getSelectedChoice();
if (selected) {
drawText(selected, da, resources, gFalse, 0, quadding, gTrue, gFalse);
//~ Acrobat draws a popup icon on the right side
}
// list box
} else {
drawListBox(fieldChoice, da, resources, quadding);
}
}
void AnnotWidget::generateFieldAppearance() {
Object appearDict, obj1, obj2;
GfxResources *resources;
MemStream *appearStream;
GooString *da;
appearBuf = new GooString ();
// draw the background
if (appearCharacs) {
AnnotColor *aColor = appearCharacs->getBackColor();
if (aColor) {
setColor(aColor, gTrue);
appearBuf->appendf("0 0 {0:.2f} {1:.2f} re f\n",
rect->x2 - rect->x1, rect->y2 - rect->y1);
}
}
// draw the border
if (appearCharacs && border && border->getWidth() > 0)
drawBorder();
da = field->getDefaultAppearance();
if (!da)
da = form->getDefaultAppearance();
resources = form->getDefaultResources();
// draw the field contents
switch (field->getType()) {
case formButton:
drawFormFieldButton(resources, da);
break;
case formText:
drawFormFieldText(resources, da);
break;
case formChoice:
drawFormFieldChoice(resources, da);
break;
case formSignature:
//~unimp
break;
case formUndef:
default:
error(errSyntaxError, -1, "Unknown field type");
}
// build the appearance stream dictionary
appearDict.initDict(xref);
appearDict.dictAdd(copyString("Length"),
obj1.initInt(appearBuf->getLength()));
appearDict.dictAdd(copyString("Subtype"), obj1.initName("Form"));
obj1.initArray(xref);
obj1.arrayAdd(obj2.initReal(0));
obj1.arrayAdd(obj2.initReal(0));
obj1.arrayAdd(obj2.initReal(rect->x2 - rect->x1));
obj1.arrayAdd(obj2.initReal(rect->y2 - rect->y1));
appearDict.dictAdd(copyString("BBox"), &obj1);
// set the resource dictionary
Object *resDict = form->getDefaultResourcesObj();
if (resDict->isDict()) {
appearDict.dictAdd(copyString("Resources"), resDict->copy(&obj1));
}
// build the appearance stream
appearStream = new MemStream(strdup(appearBuf->getCString()), 0,
appearBuf->getLength(), &appearDict);
appearance.free();
appearance.initStream(appearStream);
delete appearBuf;
appearStream->setNeedFree(gTrue);
}
void AnnotWidget::updateAppearanceStream()
{
// If this the first time updateAppearanceStream() is called on this widget,
// destroy the AP dictionary because we are going to create a new one.
if (updatedAppearanceStream.num == -1) {
invalidateAppearance(); // Delete AP dictionary and all referenced streams
}
// There's no need to create a new appearance stream if NeedAppearances is
// set, because it will be ignored next time anyway.
if (form && form->getNeedAppearances())
return;
// Create the new appearance
generateFieldAppearance();
// Fetch the appearance stream we've just created
Object obj1;
appearance.fetch(xref, &obj1);
// If this the first time updateAppearanceStream() is called on this widget,
// create a new AP dictionary containing the new appearance stream.
// Otherwise, just update the stream we had created previously.
if (updatedAppearanceStream.num == -1) {
// Write the appearance stream
updatedAppearanceStream = xref->addIndirectObject(&obj1);
obj1.free();
// Write the AP dictionary
Object obj2;
obj1.initDict(xref);
obj1.dictAdd(copyString("N"), obj2.initRef(updatedAppearanceStream.num, updatedAppearanceStream.gen));
update("AP", &obj1);
// Update our internal pointers to the appearance dictionary
appearStreams = new AnnotAppearance(doc, &obj1);
} else {
// Replace the existing appearance stream
xref->setModifiedObject(&obj1, updatedAppearanceStream);
obj1.free();
}
}
void AnnotWidget::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
addDingbatsResource = gFalse;
// Only construct the appearance stream when
// - annot doesn't have an AP or
// - NeedAppearances is true
if (field) {
if (appearance.isNull() || (form && form->getNeedAppearances()))
generateFieldAppearance();
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (addDingbatsResource) {
// We are forcing ZaDb but the font does not exist
// so create a fake one
Object baseFontObj, subtypeObj;
baseFontObj.initName("ZapfDingbats");
subtypeObj.initName("Type1");
Object fontDictObj;
Dict *fontDict = new Dict(xref);
fontDict->decRef();
fontDict->add(copyString("BaseFont"), &baseFontObj);
fontDict->add(copyString("Subtype"), &subtypeObj);
fontDictObj.initDict(fontDict);
Object fontsDictObj;
Dict *fontsDict = new Dict(xref);
fontsDict->decRef();
fontsDict->add(copyString("ZaDb"), &fontDictObj);
fontsDictObj.initDict(fontsDict);
Dict *dict = new Dict(xref);
dict->add(copyString("Font"), &fontsDictObj);
gfx->pushResources(dict);
delete dict;
}
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
if (addDingbatsResource) {
gfx->popResources();
}
obj.free();
}
//------------------------------------------------------------------------
// AnnotMovie
//------------------------------------------------------------------------
AnnotMovie::AnnotMovie(PDFDoc *docA, PDFRectangle *rect, Movie *movieA) :
Annot(docA, rect) {
Object obj1;
type = typeMovie;
annotObj.dictSet ("Subtype", obj1.initName ("Movie"));
movie = movieA->copy();
// TODO: create movie dict from movieA
initialize(docA, annotObj.getDict());
}
AnnotMovie::AnnotMovie(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = typeMovie;
initialize(docA, dict);
}
AnnotMovie::~AnnotMovie() {
if (title)
delete title;
delete movie;
}
void AnnotMovie::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("T", &obj1)->isString()) {
title = obj1.getString()->copy();
} else {
title = NULL;
}
obj1.free();
Object movieDict;
if (dict->lookup("Movie", &movieDict)->isDict()) {
Object obj2;
dict->lookup("A", &obj2);
if (obj2.isDict())
movie = new Movie (&movieDict, &obj2);
else
movie = new Movie (&movieDict);
if (!movie->isOk()) {
delete movie;
movie = NULL;
ok = gFalse;
}
obj2.free();
} else {
error(errSyntaxError, -1, "Bad Annot Movie");
movie = NULL;
ok = gFalse;
}
movieDict.free();
}
void AnnotMovie::draw(Gfx *gfx, GBool printing) {
Object obj;
if (!isVisible (printing))
return;
if (appearance.isNull() && movie->getShowPoster()) {
int width, height;
Object poster;
movie->getPoster(&poster);
movie->getAspect(&width, &height);
if (width != -1 && height != -1 && !poster.isNone()) {
MemStream *mStream;
appearBuf = new GooString ();
appearBuf->append ("q\n");
appearBuf->appendf ("{0:d} 0 0 {1:d} 0 0 cm\n", width, height);
appearBuf->append ("/MImg Do\n");
appearBuf->append ("Q\n");
Object imgDict;
imgDict.initDict(xref);
imgDict.dictSet ("MImg", &poster);
Object resDict;
resDict.initDict(xref);
resDict.dictSet ("XObject", &imgDict);
Object formDict, obj1, obj2;
formDict.initDict(xref);
formDict.dictSet("Length", obj1.initInt(appearBuf->getLength()));
formDict.dictSet("Subtype", obj1.initName("Form"));
formDict.dictSet("Name", obj1.initName("FRM"));
obj1.initArray(xref);
obj1.arrayAdd(obj2.initInt(0));
obj1.arrayAdd(obj2.initInt(0));
obj1.arrayAdd(obj2.initInt(width));
obj1.arrayAdd(obj2.initInt(height));
formDict.dictSet("BBox", &obj1);
obj1.initArray(xref);
obj1.arrayAdd(obj2.initInt(1));
obj1.arrayAdd(obj2.initInt(0));
obj1.arrayAdd(obj2.initInt(0));
obj1.arrayAdd(obj2.initInt(1));
obj1.arrayAdd(obj2.initInt(-width / 2));
obj1.arrayAdd(obj2.initInt(-height / 2));
formDict.dictSet("Matrix", &obj1);
formDict.dictSet("Resources", &resDict);
Object aStream;
mStream = new MemStream(copyString(appearBuf->getCString()), 0,
appearBuf->getLength(), &formDict);
mStream->setNeedFree(gTrue);
aStream.initStream(mStream);
delete appearBuf;
Object objDict;
objDict.initDict(xref);
objDict.dictSet ("FRM", &aStream);
resDict.initDict(xref);
resDict.dictSet ("XObject", &objDict);
appearBuf = new GooString ();
appearBuf->append ("q\n");
appearBuf->appendf ("0 0 {0:d} {1:d} re W n\n", width, height);
appearBuf->append ("q\n");
appearBuf->appendf ("0 0 {0:d} {1:d} re W n\n", width, height);
appearBuf->appendf ("1 0 0 1 {0:d} {1:d} cm\n", width / 2, height / 2);
appearBuf->append ("/FRM Do\n");
appearBuf->append ("Q\n");
appearBuf->append ("Q\n");
double bbox[4];
bbox[0] = bbox[1] = 0;
bbox[2] = width;
bbox[3] = height;
createForm(bbox, gFalse, &resDict, &appearance);
delete appearBuf;
}
poster.free();
}
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// AnnotScreen
//------------------------------------------------------------------------
AnnotScreen::AnnotScreen(PDFDoc *docA, PDFRectangle *rect) :
Annot(docA, rect) {
Object obj1;
type = typeScreen;
annotObj.dictSet ("Subtype", obj1.initName ("Screen"));
initialize(docA, annotObj.getDict());
}
AnnotScreen::AnnotScreen(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = typeScreen;
initialize(docA, dict);
}
AnnotScreen::~AnnotScreen() {
if (title)
delete title;
if (appearCharacs)
delete appearCharacs;
if (action)
delete action;
additionalActions.free();
}
void AnnotScreen::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
title = NULL;
if (dict->lookup("T", &obj1)->isString()) {
title = obj1.getString()->copy();
}
obj1.free();
action = NULL;
if (dict->lookup("A", &obj1)->isDict()) {
action = LinkAction::parseAction(&obj1, doc->getCatalog()->getBaseURI());
if (action->getKind() == actionRendition && page == 0) {
error (errSyntaxError, -1, "Invalid Rendition action: associated screen annotation without P");
delete action;
action = NULL;
ok = gFalse;
}
}
obj1.free();
dict->lookupNF("AA", &additionalActions);
appearCharacs = NULL;
if(dict->lookup("MK", &obj1)->isDict()) {
appearCharacs = new AnnotAppearanceCharacs(obj1.getDict());
}
obj1.free();
}
LinkAction* AnnotScreen::getAdditionalAction(AdditionalActionsType type)
{
if (type == actionFocusIn || type == actionFocusOut) // not defined for screen annotation
return NULL;
return ::getAdditionalAction(type, &additionalActions, doc);
}
//------------------------------------------------------------------------
// AnnotStamp
//------------------------------------------------------------------------
AnnotStamp::AnnotStamp(PDFDoc *docA, PDFRectangle *rect) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeStamp;
annotObj.dictSet ("Subtype", obj1.initName ("Stamp"));
initialize(docA, annotObj.getDict());
}
AnnotStamp::AnnotStamp(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeStamp;
initialize(docA, dict);
}
AnnotStamp::~AnnotStamp() {
delete icon;
}
void AnnotStamp::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("Name", &obj1)->isName()) {
icon = new GooString(obj1.getName());
} else {
icon = new GooString("Draft");
}
obj1.free();
}
void AnnotStamp::setIcon(GooString *new_icon) {
delete icon;
if (new_icon) {
icon = new GooString (new_icon);
} else {
icon = new GooString();
}
Object obj1;
obj1.initName (icon->getCString());
update("Name", &obj1);
}
//------------------------------------------------------------------------
// AnnotGeometry
//------------------------------------------------------------------------
AnnotGeometry::AnnotGeometry(PDFDoc *docA, PDFRectangle *rect, AnnotSubtype subType) :
AnnotMarkup(docA, rect) {
Object obj1;
switch (subType) {
case typeSquare:
annotObj.dictSet ("Subtype", obj1.initName ("Square"));
break;
case typeCircle:
annotObj.dictSet ("Subtype", obj1.initName ("Circle"));
break;
default:
assert (0 && "Invalid subtype for AnnotGeometry\n");
}
initialize(docA, annotObj.getDict());
}
AnnotGeometry::AnnotGeometry(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
// the real type will be read in initialize()
type = typeSquare;
initialize(docA, dict);
}
AnnotGeometry::~AnnotGeometry() {
delete interiorColor;
delete borderEffect;
delete geometryRect;
}
void AnnotGeometry::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("Subtype", &obj1)->isName()) {
GooString typeName(obj1.getName());
if (!typeName.cmp("Square")) {
type = typeSquare;
} else if (!typeName.cmp("Circle")) {
type = typeCircle;
}
}
obj1.free();
if (dict->lookup("IC", &obj1)->isArray()) {
interiorColor = new AnnotColor(obj1.getArray());
} else {
interiorColor = NULL;
}
obj1.free();
if (dict->lookup("BE", &obj1)->isDict()) {
borderEffect = new AnnotBorderEffect(obj1.getDict());
} else {
borderEffect = NULL;
}
obj1.free();
geometryRect = NULL;
if (dict->lookup("RD", &obj1)->isArray()) {
geometryRect = parseDiffRectangle(obj1.getArray(), rect);
}
obj1.free();
}
void AnnotGeometry::setType(AnnotSubtype new_type) {
Object obj1;
switch (new_type) {
case typeSquare:
obj1.initName("Square");
break;
case typeCircle:
obj1.initName("Circle");
break;
default:
assert(!"Invalid subtype");
}
type = new_type;
update("Subtype", &obj1);
}
void AnnotGeometry::setInteriorColor(AnnotColor *new_color) {
delete interiorColor;
if (new_color) {
Object obj1;
new_color->writeToObject(xref, &obj1);
update ("IC", &obj1);
interiorColor = new_color;
} else {
interiorColor = NULL;
}
}
void AnnotGeometry::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color)
setColor(color, gFalse);
if (border) {
int i, dashLength;
double *dash;
double borderWidth = border->getWidth();
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (i = 0; i < dashLength; ++i)
appearBuf->appendf(" {0:.2f}", dash[i]);
appearBuf->append(" ] 0 d\n");
break;
default:
appearBuf->append("[] 0 d\n");
break;
}
appearBuf->appendf("{0:.2f} w\n", borderWidth);
if (interiorColor)
setColor(interiorColor, gTrue);
if (type == typeSquare) {
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} re\n",
borderWidth / 2.0, borderWidth / 2.0,
(rect->x2 - rect->x1) - borderWidth,
(rect->y2 - rect->y1) - borderWidth);
} else {
double width, height;
double b;
double x1, y1, x2, y2, x3, y3;
width = rect->x2 - rect->x1;
height = rect->y2 - rect->y1;
b = borderWidth / 2.0;
x1 = b;
y1 = height / 2.0;
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", x1, y1);
y1 += height / 4.0;
x2 = width / 4.0;
y2 = height - b;
x3 = width / 2.0;
y3 = y2;
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x1, y1, x2, y2, x3, y3);
x2 = width - b;
y2 = y1;
x1 = x3 + (width / 4.0);
y1 = y3;
x3 = x2;
y3 = height / 2.0;
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x1, y1, x2, y2, x3, y3);
x2 = x1;
y2 = b;
x1 = x3;
y1 = height / 4.0;
x3 = width / 2.0;
y3 = b;
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x1, y1, x2, y2, x3, y3);
x2 = b;
y2 = y1;
x1 = width / 4.0;
y1 = b;
x3 = b;
y3 = height / 2.0;
appearBuf->appendf ("{0:.2f} {1:.2f} {2:.2f} {3:.2f} {4:.2f} {5:.2f} c\n",
x1, y1, x2, y2, x3, y3);
}
if (interiorColor && interiorColor->getSpace() != AnnotColor::colorTransparent)
appearBuf->append ("b\n");
else
appearBuf->append ("S\n");
}
appearBuf->append ("Q\n");
double bbox[4];
bbox[0] = bbox[1] = 0;
bbox[2] = rect->x2 - rect->x1;
bbox[3] = rect->y2 - rect->y1;
if (ca == 1) {
createForm(bbox, gFalse, NULL, &appearance);
} else {
Object aStream;
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
Object resDict;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// AnnotPolygon
//------------------------------------------------------------------------
AnnotPolygon::AnnotPolygon(PDFDoc *docA, PDFRectangle *rect, AnnotSubtype subType, AnnotPath *path) :
AnnotMarkup(docA, rect) {
Object obj1;
switch (subType) {
case typePolygon:
annotObj.dictSet ("Subtype", obj1.initName ("Polygon"));
break;
case typePolyLine:
annotObj.dictSet ("Subtype", obj1.initName ("PolyLine"));
break;
default:
assert (0 && "Invalid subtype for AnnotGeometry\n");
}
Object obj2;
obj2.initArray (doc->getXRef());
for (int i = 0; i < path->getCoordsLength(); ++i) {
Object obj3;
obj2.arrayAdd (obj3.initReal (path->getX(i)));
obj2.arrayAdd (obj3.initReal (path->getY(i)));
}
annotObj.dictSet ("Vertices", &obj2);
initialize(docA, annotObj.getDict());
}
AnnotPolygon::AnnotPolygon(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
// the real type will be read in initialize()
type = typePolygon;
initialize(docA, dict);
}
AnnotPolygon::~AnnotPolygon() {
delete vertices;
if (interiorColor)
delete interiorColor;
if (borderEffect)
delete borderEffect;
}
void AnnotPolygon::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("Subtype", &obj1)->isName()) {
GooString typeName(obj1.getName());
if (!typeName.cmp("Polygon")) {
type = typePolygon;
} else if (!typeName.cmp("PolyLine")) {
type = typePolyLine;
}
}
obj1.free();
if (dict->lookup("Vertices", &obj1)->isArray()) {
vertices = new AnnotPath(obj1.getArray());
} else {
vertices = new AnnotPath();
error(errSyntaxError, -1, "Bad Annot Polygon Vertices");
ok = gFalse;
}
obj1.free();
if (dict->lookup("LE", &obj1)->isArray() && obj1.arrayGetLength() == 2) {
Object obj2;
if(obj1.arrayGet(0, &obj2)->isString())
startStyle = parseAnnotLineEndingStyle(obj2.getString());
else
startStyle = annotLineEndingNone;
obj2.free();
if(obj1.arrayGet(1, &obj2)->isString())
endStyle = parseAnnotLineEndingStyle(obj2.getString());
else
endStyle = annotLineEndingNone;
obj2.free();
} else {
startStyle = endStyle = annotLineEndingNone;
}
obj1.free();
if (dict->lookup("IC", &obj1)->isArray()) {
interiorColor = new AnnotColor(obj1.getArray());
} else {
interiorColor = NULL;
}
obj1.free();
if (dict->lookup("BE", &obj1)->isDict()) {
borderEffect = new AnnotBorderEffect(obj1.getDict());
} else {
borderEffect = NULL;
}
obj1.free();
if (dict->lookup("IT", &obj1)->isName()) {
const char *intentName = obj1.getName();
if(!strcmp(intentName, "PolygonCloud")) {
intent = polygonCloud;
} else if(!strcmp(intentName, "PolyLineDimension")) {
intent = polylineDimension;
} else {
intent = polygonDimension;
}
} else {
intent = polygonCloud;
}
obj1.free();
}
void AnnotPolygon::setType(AnnotSubtype new_type) {
Object obj1;
switch (new_type) {
case typePolygon:
obj1.initName("Polygon");
break;
case typePolyLine:
obj1.initName("PolyLine");
break;
default:
assert(!"Invalid subtype");
}
type = new_type;
update("Subtype", &obj1);
}
void AnnotPolygon::setVertices(AnnotPath *path) {
Object obj1, obj2;
delete vertices;
obj1.initArray(xref);
for (int i = 0; i < path->getCoordsLength(); i++) {
obj1.arrayAdd (obj2.initReal (path->getX(i)));
obj1.arrayAdd (obj2.initReal (path->getY(i)));
}
vertices = new AnnotPath(obj1.getArray());
update("Vertices", &obj1);
}
void AnnotPolygon::setStartEndStyle(AnnotLineEndingStyle start, AnnotLineEndingStyle end) {
Object obj1, obj2;
startStyle = start;
endStyle = end;
obj1.initArray(xref);
obj1.arrayAdd( obj2.initName(convertAnnotLineEndingStyle( startStyle )) );
obj1.arrayAdd( obj2.initName(convertAnnotLineEndingStyle( endStyle )) );
update("LE", &obj1);
}
void AnnotPolygon::setInteriorColor(AnnotColor *new_color) {
delete interiorColor;
if (new_color) {
Object obj1;
new_color->writeToObject(xref, &obj1);
update ("IC", &obj1);
interiorColor = new_color;
} else {
interiorColor = NULL;
}
}
void AnnotPolygon::setIntent(AnnotPolygonIntent new_intent) {
Object obj1;
intent = new_intent;
if (new_intent == polygonCloud)
obj1.initName("PolygonCloud");
else if (new_intent == polylineDimension)
obj1.initName("PolyLineDimension");
else // polygonDimension
obj1.initName("PolygonDimension");
update ("IT", &obj1);
}
void AnnotPolygon::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
appearBBox = new AnnotAppearanceBBox(rect);
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color) {
setColor(color, gFalse);
}
if (border) {
int i, dashLength;
double *dash;
switch (border->getStyle()) {
case AnnotBorder::borderDashed:
appearBuf->append("[");
dashLength = border->getDashLength();
dash = border->getDash();
for (i = 0; i < dashLength; ++i)
appearBuf->appendf(" {0:.2f}", dash[i]);
appearBuf->append(" ] 0 d\n");
break;
default:
appearBuf->append("[] 0 d\n");
break;
}
appearBuf->appendf("{0:.2f} w\n", border->getWidth());
appearBBox->setBorderWidth(border->getWidth());
}
if (interiorColor) {
setColor(interiorColor, gTrue);
}
if (vertices->getCoordsLength() != 0) {
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", vertices->getX(0) - rect->x1, vertices->getY(0) - rect->y1);
appearBBox->extendTo (vertices->getX(0) - rect->x1, vertices->getY(0) - rect->y1);
for (int i = 1; i < vertices->getCoordsLength(); ++i) {
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", vertices->getX(i) - rect->x1, vertices->getY(i) - rect->y1);
appearBBox->extendTo (vertices->getX(i) - rect->x1, vertices->getY(i) - rect->y1);
}
if (type == typePolygon) {
if (interiorColor && interiorColor->getSpace() != AnnotColor::colorTransparent) {
appearBuf->append ("b\n");
} else {
appearBuf->append ("s\n");
}
} else {
appearBuf->append ("S\n");
}
}
appearBuf->append ("Q\n");
double bbox[4];
appearBBox->getBBoxRect(bbox);
if (ca == 1) {
createForm(bbox, gFalse, NULL, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (appearBBox) {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
appearBBox->getPageXMin(), appearBBox->getPageYMin(),
appearBBox->getPageXMax(), appearBBox->getPageYMax());
} else {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
}
obj.free();
}
//------------------------------------------------------------------------
// AnnotCaret
//------------------------------------------------------------------------
AnnotCaret::AnnotCaret(PDFDoc *docA, PDFRectangle *rect) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeCaret;
annotObj.dictSet ("Subtype", obj1.initName ("Caret"));
initialize(docA, annotObj.getDict());
}
AnnotCaret::AnnotCaret(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeCaret;
initialize(docA, dict);
}
AnnotCaret::~AnnotCaret() {
delete caretRect;
}
void AnnotCaret::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
symbol = symbolNone;
if (dict->lookup("Sy", &obj1)->isName()) {
GooString typeName(obj1.getName());
if (!typeName.cmp("P")) {
symbol = symbolP;
} else if (!typeName.cmp("None")) {
symbol = symbolNone;
}
}
obj1.free();
if (dict->lookup("RD", &obj1)->isArray()) {
caretRect = parseDiffRectangle(obj1.getArray(), rect);
} else {
caretRect = NULL;
}
obj1.free();
}
void AnnotCaret::setSymbol(AnnotCaretSymbol new_symbol) {
Object obj1;
obj1.initName( new_symbol == symbolP ? "P" : "None" );
symbol = new_symbol;
update("Sy", &obj1);
}
//------------------------------------------------------------------------
// AnnotInk
//------------------------------------------------------------------------
AnnotInk::AnnotInk(PDFDoc *docA, PDFRectangle *rect, AnnotPath **paths, int n_paths) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeInk;
annotObj.dictSet ("Subtype", obj1.initName ("Ink"));
Object obj2;
obj2.initArray (doc->getXRef());
writeInkList(paths, n_paths, obj2.getArray());
annotObj.dictSet ("InkList", &obj2);
initialize(docA, annotObj.getDict());
}
AnnotInk::AnnotInk(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeInk;
initialize(docA, dict);
}
AnnotInk::~AnnotInk() {
freeInkList();
}
void AnnotInk::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("InkList", &obj1)->isArray()) {
parseInkList(obj1.getArray());
} else {
inkListLength = 0;
inkList = NULL;
error(errSyntaxError, -1, "Bad Annot Ink List");
ok = gFalse;
}
obj1.free();
}
void AnnotInk::writeInkList(AnnotPath **paths, int n_paths, Array *dest_array) {
Object obj1, obj2;
for (int i = 0; i < n_paths; ++i) {
AnnotPath *path = paths[i];
obj1.initArray (xref);
for (int j = 0; j < path->getCoordsLength(); ++j) {
obj1.arrayAdd (obj2.initReal (path->getX(j)));
obj1.arrayAdd (obj2.initReal (path->getY(j)));
}
dest_array->add (&obj1);
}
}
void AnnotInk::parseInkList(Array *array) {
inkListLength = array->getLength();
inkList = (AnnotPath **) gmallocn ((inkListLength), sizeof(AnnotPath *));
memset(inkList, 0, inkListLength * sizeof(AnnotPath *));
for (int i = 0; i < inkListLength; i++) {
Object obj2;
if (array->get(i, &obj2)->isArray())
inkList[i] = new AnnotPath(obj2.getArray());
obj2.free();
}
}
void AnnotInk::freeInkList() {
if (inkList) {
for (int i = 0; i < inkListLength; ++i)
delete inkList[i];
gfree(inkList);
}
}
void AnnotInk::setInkList(AnnotPath **paths, int n_paths) {
Object obj1;
freeInkList();
obj1.initArray (xref);
writeInkList(paths, n_paths, obj1.getArray());
parseInkList(obj1.getArray());
annotObj.dictSet ("InkList", &obj1);
}
void AnnotInk::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
appearBBox = new AnnotAppearanceBBox(rect);
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color) {
setColor(color, gFalse);
}
if (border) {
appearBuf->appendf("{0:.2f} w\n", border->getWidth());
appearBBox->setBorderWidth(border->getWidth());
}
for (int i = 0; i < inkListLength; ++i) {
const AnnotPath * path = inkList[i];
if (path->getCoordsLength() != 0) {
appearBuf->appendf ("{0:.2f} {1:.2f} m\n", path->getX(0) - rect->x1, path->getY(0) - rect->y1);
appearBBox->extendTo (path->getX(0) - rect->x1, path->getY(0) - rect->y1);
for (int j = 1; j < path->getCoordsLength(); ++j) {
appearBuf->appendf ("{0:.2f} {1:.2f} l\n", path->getX(j) - rect->x1, path->getY(j) - rect->y1);
appearBBox->extendTo (path->getX(j) - rect->x1, path->getY(j) - rect->y1);
}
appearBuf->append ("S\n");
}
}
appearBuf->append ("Q\n");
double bbox[4];
appearBBox->getBBoxRect(bbox);
if (ca == 1) {
createForm(bbox, gFalse, NULL, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
if (appearBBox) {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
appearBBox->getPageXMin(), appearBBox->getPageYMin(),
appearBBox->getPageXMax(), appearBBox->getPageYMax());
} else {
gfx->drawAnnot(&obj, (AnnotBorder *)NULL, color,
rect->x1, rect->y1, rect->x2, rect->y2);
}
obj.free();
}
//------------------------------------------------------------------------
// AnnotFileAttachment
//------------------------------------------------------------------------
AnnotFileAttachment::AnnotFileAttachment(PDFDoc *docA, PDFRectangle *rect, GooString *filename) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeFileAttachment;
annotObj.dictSet ("Subtype", obj1.initName ("FileAttachment"));
Object obj2;
obj2.initString(filename->copy());
annotObj.dictSet ("FS", &obj2);
initialize(docA, annotObj.getDict());
}
AnnotFileAttachment::AnnotFileAttachment(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeFileAttachment;
initialize(docA, dict);
}
AnnotFileAttachment::~AnnotFileAttachment() {
file.free();
if (name)
delete name;
}
void AnnotFileAttachment::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("FS", &obj1)->isDict() || dict->lookup("FS", &obj1)->isString()) {
obj1.copy(&file);
} else {
error(errSyntaxError, -1, "Bad Annot File Attachment");
ok = gFalse;
}
obj1.free();
if (dict->lookup("Name", &obj1)->isName()) {
name = new GooString(obj1.getName());
} else {
name = new GooString("PushPin");
}
obj1.free();
}
#define ANNOT_FILE_ATTACHMENT_AP_PUSHPIN \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 5 4 m 6 5 l S\n" \
"2 w\n" \
"11 14 m 9 12 l 6 12 l 13 5 l 13 8 l 15 10 l 18 11 l 20 11 l 12 19 l 12\n" \
"17 l 11 14 l h\n" \
"11 14 m S\n" \
"3 w\n" \
"6 5 m 9 8 l S\n" \
"0.729412 0.741176 0.713725 RG 2 w\n" \
"5 5 m 6 6 l S\n" \
"2 w\n" \
"11 15 m 9 13 l 6 13 l 13 6 l 13 9 l 15 11 l 18 12 l 20 12 l 12 20 l 12\n" \
"18 l 11 15 l h\n" \
"11 15 m S\n" \
"3 w\n" \
"6 6 m 9 9 l S\n"
#define ANNOT_FILE_ATTACHMENT_AP_PAPERCLIP \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 16.645 12.035 m 12.418 7.707 l 10.902 6.559 6.402 11.203 8.09 12.562 c\n" \
"14.133 18.578 l 14.949 19.387 16.867 19.184 17.539 18.465 c 20.551\n" \
"15.23 l 21.191 14.66 21.336 12.887 20.426 12.102 c 13.18 4.824 l 12.18\n" \
"3.82 6.25 2.566 4.324 4.461 c 3 6.395 3.383 11.438 4.711 12.801 c 9.648\n" \
"17.887 l S\n" \
"0.729412 0.741176 0.713725 RG 16.645 13.035 m 12.418 8.707 l\n" \
"10.902 7.559 6.402 12.203 8.09 13.562 c\n" \
"14.133 19.578 l 14.949 20.387 16.867 20.184 17.539 19.465 c 20.551\n" \
"16.23 l 21.191 15.66 21.336 13.887 20.426 13.102 c 13.18 5.824 l 12.18\n" \
"4.82 6.25 3.566 4.324 5.461 c 3 7.395 3.383 12.438 4.711 13.801 c 9.648\n" \
"18.887 l S\n"
#define ANNOT_FILE_ATTACHMENT_AP_GRAPH \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 1 w\n" \
"1 J\n" \
"0 j\n" \
"[] 0.0 d\n" \
"4 M 18.5 15.5 m 18.5 13.086 l 16.086 15.5 l 18.5 15.5 l h\n" \
"18.5 15.5 m S\n" \
"7 7 m 10 11 l 13 9 l 18 15 l S\n" \
"0.729412 0.741176 0.713725 RG 7 8 m 10 12 l 13 10 l 18 16 l S\n" \
"18.5 16.5 m 18.5 14.086 l 16.086 16.5 l 18.5 16.5 l h\n" \
"18.5 16.5 m S\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 j\n" \
"3 19 m 3 3 l 21 3 l S\n" \
"0.729412 0.741176 0.713725 RG 3 20 m 3 4 l 21 4 l S\n"
#define ANNOT_FILE_ATTACHMENT_AP_TAG \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 0.999781 w\n" \
"1 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M q 1 0 0 -1 0 24 cm\n" \
"8.492 8.707 m 8.492 9.535 7.82 10.207 6.992 10.207 c 6.164 10.207 5.492\n" \
"9.535 5.492 8.707 c 5.492 7.879 6.164 7.207 6.992 7.207 c 7.82 7.207\n" \
"8.492 7.879 8.492 8.707 c h\n" \
"8.492 8.707 m S Q\n" \
"2 w\n" \
"20.078 11.414 m 20.891 10.602 20.785 9.293 20.078 8.586 c 14.422 2.93 l\n" \
"13.715 2.223 12.301 2.223 11.594 2.93 c 3.816 10.707 l 3.109 11.414\n" \
"2.402 17.781 3.816 19.195 c 5.23 20.609 11.594 19.902 12.301 19.195 c\n" \
"20.078 11.414 l h\n" \
"20.078 11.414 m S\n" \
"0.729412 0.741176 0.713725 RG 20.078 12.414 m\n" \
"20.891 11.605 20.785 10.293 20.078 9.586 c 14.422 3.93 l\n" \
"13.715 3.223 12.301 3.223 11.594 3.93 c 3.816 11.707 l 3.109 12.414\n" \
"2.402 18.781 3.816 20.195 c 5.23 21.609 11.594 20.902 12.301 20.195 c\n" \
"20.078 12.414 l h\n" \
"20.078 12.414 m S\n" \
"0.533333 0.541176 0.521569 RG 1 w\n" \
"0 j\n" \
"11.949 13.184 m 16.191 8.941 l S\n" \
"0.729412 0.741176 0.713725 RG 11.949 14.184 m 16.191 9.941 l S\n" \
"0.533333 0.541176 0.521569 RG 14.07 6.82 m 9.828 11.062 l S\n" \
"0.729412 0.741176 0.713725 RG 14.07 7.82 m 9.828 12.062 l S\n" \
"0.533333 0.541176 0.521569 RG 6.93 15.141 m 8 20 14.27 20.5 16 20.5 c\n" \
"18.094 20.504 19.5 20 19.5 18 c 19.5 16.699 20.91 16.418 22.5 16.5 c S\n" \
"0.729412 0.741176 0.713725 RG 0.999781 w\n" \
"1 j\n" \
"q 1 0 0 -1 0 24 cm\n" \
"8.492 7.707 m 8.492 8.535 7.82 9.207 6.992 9.207 c 6.164 9.207 5.492\n" \
"8.535 5.492 7.707 c 5.492 6.879 6.164 6.207 6.992 6.207 c 7.82 6.207\n" \
"8.492 6.879 8.492 7.707 c h\n" \
"8.492 7.707 m S Q\n" \
"1 w\n" \
"0 j\n" \
"6.93 16.141 m 8 21 14.27 21.5 16 21.5 c 18.094 21.504 19.5 21 19.5 19 c\n" \
"19.5 17.699 20.91 17.418 22.5 17.5 c S\n"
void AnnotFileAttachment::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color)
setColor(color, gTrue);
else
appearBuf->append ("1 1 1 rg\n");
if (!name->cmp("PushPin"))
appearBuf->append (ANNOT_FILE_ATTACHMENT_AP_PUSHPIN);
else if (!name->cmp("Paperclip"))
appearBuf->append (ANNOT_FILE_ATTACHMENT_AP_PAPERCLIP);
else if (!name->cmp("Graph"))
appearBuf->append (ANNOT_FILE_ATTACHMENT_AP_GRAPH);
else if (!name->cmp("Tag"))
appearBuf->append (ANNOT_FILE_ATTACHMENT_AP_TAG);
appearBuf->append ("Q\n");
double bbox[4];
bbox[0] = bbox[1] = 0;
bbox[2] = bbox[3] = 24;
if (ca == 1) {
createForm (bbox, gFalse, NULL, &appearance);
} else {
Object aStream;
createForm (bbox, gTrue, NULL, &aStream);
delete appearBuf;
Object resDict;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, border, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// AnnotSound
//------------------------------------------------------------------------
AnnotSound::AnnotSound(PDFDoc *docA, PDFRectangle *rect, Sound *soundA) :
AnnotMarkup(docA, rect) {
Object obj1;
type = typeSound;
annotObj.dictSet ("Subtype", obj1.initName ("Sound"));
Object obj2;
Stream *str = soundA->getStream();
obj2.initStream (str);
str->incRef(); //FIXME: initStream should do this?
annotObj.dictSet ("Sound", &obj2);
initialize(docA, annotObj.getDict());
}
AnnotSound::AnnotSound(PDFDoc *docA, Dict *dict, Object *obj) :
AnnotMarkup(docA, dict, obj) {
type = typeSound;
initialize(docA, dict);
}
AnnotSound::~AnnotSound() {
delete sound;
delete name;
}
void AnnotSound::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
sound = Sound::parseSound(dict->lookup("Sound", &obj1));
if (!sound) {
error(errSyntaxError, -1, "Bad Annot Sound");
ok = gFalse;
}
obj1.free();
if (dict->lookup("Name", &obj1)->isName()) {
name = new GooString(obj1.getName());
} else {
name = new GooString("Speaker");
}
obj1.free();
}
#define ANNOT_SOUND_AP_SPEAKER \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"0 J\n" \
"1 j\n" \
"[] 0.0 d\n" \
"4 M 4 14 m 4.086 8.043 l 7 8 l 11 4 l 11 18 l 7 14 l 4 14 l h\n" \
"4 14 m S\n" \
"1 w\n" \
"1 J\n" \
"0 j\n" \
"13.699 15.398 m 14.699 13.398 14.699 9.398 13.699 7.398 c S\n" \
"18.199 19.398 m 21.199 17.398 21.199 5.398 18.199 3.398 c S\n" \
"16 17.398 m 18 16.398 18 7.398 16 5.398 c S\n" \
"0.729412 0.741176 0.713725 RG 2 w\n" \
"0 J\n" \
"1 j\n" \
"4 15 m 4.086 9.043 l 7 9 l 11 5 l 11 19 l 7 15 l 4 15 l h\n" \
"4 15 m S\n" \
"1 w\n" \
"1 J\n" \
"0 j\n" \
"13.699 16 m 14.699 14 14.699 10 13.699 8 c S\n" \
"18.199 20 m 21.199 18 21.199 6 18.199 4 c S\n" \
"16 18 m 18 17 18 8 16 6 c S\n"
#define ANNOT_SOUND_AP_MIC \
"4.301 23 m 19.699 23 l 21.523 23 23 21.523 23 19.699 c 23 4.301 l 23\n" \
"2.477 21.523 1 19.699 1 c 4.301 1 l 2.477 1 1 2.477 1 4.301 c 1 19.699\n" \
"l 1 21.523 2.477 23 4.301 23 c h\n" \
"4.301 23 m f\n" \
"0.533333 0.541176 0.521569 RG 2 w\n" \
"1 J\n" \
"0 j\n" \
"[] 0.0 d\n" \
"4 M 12 20 m 12 20 l 13.656 20 15 18.656 15 17 c 15 13 l 15 11.344 13.656 10\n" \
"12 10 c 12 10 l 10.344 10 9 11.344 9 13 c 9 17 l 9 18.656 10.344 20 12\n" \
"20 c h\n" \
"12 20 m S\n" \
"1 w\n" \
"17.5 14.5 m 17.5 11.973 l 17.5 8.941 15.047 6.5 12 6.5 c 8.953 6.5 6.5\n" \
"8.941 6.5 11.973 c 6.5 14.5 l S\n" \
"2 w\n" \
"0 J\n" \
"12 6.52 m 12 3 l S\n" \
"1 J\n" \
"8 3 m 16 3 l S\n" \
"0.729412 0.741176 0.713725 RG 12 21 m 12 21 l 13.656 21 15 19.656 15 18 c\n" \
"15 14 l 15 12.344 13.656 11 12 11 c 12 11 l 10.344 11 9 12.344 9 14 c\n" \
"9 18 l 9 19.656 10.344 21 12 21 c h\n" \
"12 21 m S\n" \
"1 w\n" \
"17.5 15.5 m 17.5 12.973 l 17.5 9.941 15.047 7.5 12 7.5 c 8.953 7.5 6.5\n" \
"9.941 6.5 12.973 c 6.5 15.5 l S\n" \
"2 w\n" \
"0 J\n" \
"12 7.52 m 12 4 l S\n" \
"1 J\n" \
"8 4 m 16 4 l S\n"
void AnnotSound::draw(Gfx *gfx, GBool printing) {
Object obj;
double ca = 1;
if (!isVisible (printing))
return;
if (appearance.isNull()) {
ca = opacity;
appearBuf = new GooString ();
appearBuf->append ("q\n");
if (color)
setColor(color, gTrue);
else
appearBuf->append ("1 1 1 rg\n");
if (!name->cmp("Speaker"))
appearBuf->append (ANNOT_SOUND_AP_SPEAKER);
else if (!name->cmp("Mic"))
appearBuf->append (ANNOT_SOUND_AP_MIC);
appearBuf->append ("Q\n");
double bbox[4];
bbox[0] = bbox[1] = 0;
bbox[2] = bbox[3] = 24;
if (ca == 1) {
createForm(bbox, gFalse, NULL, &appearance);
} else {
Object aStream, resDict;
createForm(bbox, gTrue, NULL, &aStream);
delete appearBuf;
appearBuf = new GooString ("/GS0 gs\n/Fm0 Do");
createResourcesDict("Fm0", &aStream, "GS0", ca, NULL, &resDict);
createForm(bbox, gFalse, &resDict, &appearance);
}
delete appearBuf;
}
// draw the appearance stream
appearance.fetch(xref, &obj);
gfx->drawAnnot(&obj, border, color,
rect->x1, rect->y1, rect->x2, rect->y2);
obj.free();
}
//------------------------------------------------------------------------
// Annot3D
//------------------------------------------------------------------------
Annot3D::Annot3D(PDFDoc *docA, PDFRectangle *rect) :
Annot(docA, rect) {
Object obj1;
type = type3D;
annotObj.dictSet ("Subtype", obj1.initName ("3D"));
initialize(docA, annotObj.getDict());
}
Annot3D::Annot3D(PDFDoc *docA, Dict *dict, Object *obj) :
Annot(docA, dict, obj) {
type = type3D;
initialize(docA, dict);
}
Annot3D::~Annot3D() {
if (activation)
delete activation;
}
void Annot3D::initialize(PDFDoc *docA, Dict* dict) {
Object obj1;
if (dict->lookup("3DA", &obj1)->isDict()) {
activation = new Activation(obj1.getDict());
} else {
activation = NULL;
}
obj1.free();
}
Annot3D::Activation::Activation(Dict *dict) {
Object obj1;
if (dict->lookup("A", &obj1)->isName()) {
const char *name = obj1.getName();
if(!strcmp(name, "PO")) {
aTrigger = aTriggerPageOpened;
} else if(!strcmp(name, "PV")) {
aTrigger = aTriggerPageVisible;
} else if(!strcmp(name, "XA")) {
aTrigger = aTriggerUserAction;
} else {
aTrigger = aTriggerUnknown;
}
} else {
aTrigger = aTriggerUnknown;
}
obj1.free();
if(dict->lookup("AIS", &obj1)->isName()) {
const char *name = obj1.getName();
if(!strcmp(name, "I")) {
aState = aStateEnabled;
} else if(!strcmp(name, "L")) {
aState = aStateDisabled;
} else {
aState = aStateUnknown;
}
} else {
aState = aStateUnknown;
}
obj1.free();
if(dict->lookup("D", &obj1)->isName()) {
const char *name = obj1.getName();
if(!strcmp(name, "PC")) {
dTrigger = dTriggerPageClosed;
} else if(!strcmp(name, "PI")) {
dTrigger = dTriggerPageInvisible;
} else if(!strcmp(name, "XD")) {
dTrigger = dTriggerUserAction;
} else {
dTrigger = dTriggerUnknown;
}
} else {
dTrigger = dTriggerUnknown;
}
obj1.free();
if(dict->lookup("DIS", &obj1)->isName()) {
const char *name = obj1.getName();
if(!strcmp(name, "U")) {
dState = dStateUninstantiaded;
} else if(!strcmp(name, "I")) {
dState = dStateInstantiated;
} else if(!strcmp(name, "L")) {
dState = dStateLive;
} else {
dState = dStateUnknown;
}
} else {
dState = dStateUnknown;
}
obj1.free();
if (dict->lookup("TB", &obj1)->isBool()) {
displayToolbar = obj1.getBool();
} else {
displayToolbar = gTrue;
}
obj1.free();
if (dict->lookup("NP", &obj1)->isBool()) {
displayNavigation = obj1.getBool();
} else {
displayNavigation = gFalse;
}
obj1.free();
}
//------------------------------------------------------------------------
// Annots
//------------------------------------------------------------------------
Annots::Annots(PDFDoc *docA, int page, Object *annotsObj) {
Annot *annot;
Object obj1;
int i;
doc = docA;
annots = NULL;
size = 0;
nAnnots = 0;
if (annotsObj->isArray()) {
for (i = 0; i < annotsObj->arrayGetLength(); ++i) {
//get the Ref to this annot and pass it to Annot constructor
//this way, it'll be possible for the annot to retrieve the corresponding
//form widget
Object obj2;
if (annotsObj->arrayGet(i, &obj1)->isDict()) {
annotsObj->arrayGetNF(i, &obj2);
annot = createAnnot (obj1.getDict(), &obj2);
if (annot) {
if (annot->isOk()) {
annot->setPage(page, gFalse); // Don't change /P
appendAnnot(annot);
}
annot->decRefCnt();
}
}
obj2.free();
obj1.free();
}
}
}
void Annots::appendAnnot(Annot *annot) {
if (annot && annot->isOk()) {
if (nAnnots >= size) {
size += 16;
annots = (Annot **)greallocn(annots, size, sizeof(Annot *));
}
annots[nAnnots++] = annot;
annot->incRefCnt();
}
}
GBool Annots::removeAnnot(Annot *annot) {
int idx = -1;
// Search annot and determine its index
for (int i = 0; idx == -1 && i < nAnnots; i++) {
if (annots[i] == annot) {
idx = i;
}
}
if (idx == -1) {
return gFalse;
} else {
--nAnnots;
memmove( annots + idx, annots + idx + 1, sizeof(annots[0]) * (nAnnots - idx) );
annot->decRefCnt();
return gTrue;
}
}
Annot *Annots::createAnnot(Dict* dict, Object *obj) {
Annot *annot = NULL;
Object obj1;
if (dict->lookup("Subtype", &obj1)->isName()) {
const char *typeName = obj1.getName();
if (!strcmp(typeName, "Text")) {
annot = new AnnotText(doc, dict, obj);
} else if (!strcmp(typeName, "Link")) {
annot = new AnnotLink(doc, dict, obj);
} else if (!strcmp(typeName, "FreeText")) {
annot = new AnnotFreeText(doc, dict, obj);
} else if (!strcmp(typeName, "Line")) {
annot = new AnnotLine(doc, dict, obj);
} else if (!strcmp(typeName, "Square")) {
annot = new AnnotGeometry(doc, dict, obj);
} else if (!strcmp(typeName, "Circle")) {
annot = new AnnotGeometry(doc, dict, obj);
} else if (!strcmp(typeName, "Polygon")) {
annot = new AnnotPolygon(doc, dict, obj);
} else if (!strcmp(typeName, "PolyLine")) {
annot = new AnnotPolygon(doc, dict, obj);
} else if (!strcmp(typeName, "Highlight")) {
annot = new AnnotTextMarkup(doc, dict, obj);
} else if (!strcmp(typeName, "Underline")) {
annot = new AnnotTextMarkup(doc, dict, obj);
} else if (!strcmp(typeName, "Squiggly")) {
annot = new AnnotTextMarkup(doc, dict, obj);
} else if (!strcmp(typeName, "StrikeOut")) {
annot = new AnnotTextMarkup(doc, dict, obj);
} else if (!strcmp(typeName, "Stamp")) {
annot = new AnnotStamp(doc, dict, obj);
} else if (!strcmp(typeName, "Caret")) {
annot = new AnnotCaret(doc, dict, obj);
} else if (!strcmp(typeName, "Ink")) {
annot = new AnnotInk(doc, dict, obj);
} else if (!strcmp(typeName, "FileAttachment")) {
annot = new AnnotFileAttachment(doc, dict, obj);
} else if (!strcmp(typeName, "Sound")) {
annot = new AnnotSound(doc, dict, obj);
} else if(!strcmp(typeName, "Movie")) {
annot = new AnnotMovie(doc, dict, obj);
} else if(!strcmp(typeName, "Widget")) {
// Find the annot in forms
if (obj->isRef()) {
Form *form = doc->getCatalog()->getForm();
if (form) {
FormWidget *widget = form->findWidgetByRef(obj->getRef());
if (widget) {
annot = widget->getWidgetAnnotation();
annot->incRefCnt();
}
}
}
if (!annot)
annot = new AnnotWidget(doc, dict, obj);
} else if(!strcmp(typeName, "Screen")) {
annot = new AnnotScreen(doc, dict, obj);
} else if(!strcmp(typeName, "PrinterMark")) {
annot = new Annot(doc, dict, obj);
} else if (!strcmp(typeName, "TrapNet")) {
annot = new Annot(doc, dict, obj);
} else if (!strcmp(typeName, "Watermark")) {
annot = new Annot(doc, dict, obj);
} else if (!strcmp(typeName, "3D")) {
annot = new Annot3D(doc, dict, obj);
} else if (!strcmp(typeName, "Popup")) {
/* Popup annots are already handled by markup annots
* Here we only care about popup annots without a
* markup annotation associated
*/
Object obj2;
if (dict->lookup("Parent", &obj2)->isNull())
annot = new AnnotPopup(doc, dict, obj);
else
annot = NULL;
obj2.free();
} else {
annot = new Annot(doc, dict, obj);
}
}
obj1.free();
return annot;
}
Annot *Annots::findAnnot(Ref *ref) {
int i;
for (i = 0; i < nAnnots; ++i) {
if (annots[i]->match(ref)) {
return annots[i];
}
}
return NULL;
}
Annots::~Annots() {
int i;
for (i = 0; i < nAnnots; ++i) {
annots[i]->decRefCnt();
}
gfree(annots);
}