blob: 96b0586f761ff535587346a5382b7c7fd4c6244e [file] [log] [blame]
//========================================================================
//
// FoFiType1C.cc
//
// Copyright 1999-2003 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) 2009, 2010, 2017, 2018 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2018 Adam Reichold <adam.reichold@t-online.de>
// Copyright (C) 2019 Tomoyuki Kubota <himajin100000@gmail.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>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "goo/gmem.h"
#include "goo/gstrtod.h"
#include "goo/GooLikely.h"
#include "goo/GooString.h"
#include "poppler/Error.h"
#include "FoFiEncodings.h"
#include "FoFiType1C.h"
//------------------------------------------------------------------------
static char hexChars[17] = "0123456789ABCDEF";
//------------------------------------------------------------------------
// FoFiType1C
//------------------------------------------------------------------------
FoFiType1C *FoFiType1C::make(const char *fileA, int lenA) {
FoFiType1C *ff;
ff = new FoFiType1C(fileA, lenA, false);
if (!ff->parse()) {
delete ff;
return nullptr;
}
return ff;
}
FoFiType1C *FoFiType1C::load(const char *fileName) {
FoFiType1C *ff;
char *fileA;
int lenA;
if (!(fileA = FoFiBase::readFile(fileName, &lenA))) {
return nullptr;
}
ff = new FoFiType1C(fileA, lenA, true);
if (!ff->parse()) {
delete ff;
return nullptr;
}
return ff;
}
FoFiType1C::FoFiType1C(const char *fileA, int lenA, bool freeFileDataA):
FoFiBase(fileA, lenA, freeFileDataA)
{
name = nullptr;
encoding = nullptr;
privateDicts = nullptr;
fdSelect = nullptr;
charset = nullptr;
charsetLength = 0;
}
FoFiType1C::~FoFiType1C() {
int i;
if (name) {
delete name;
}
if (encoding &&
encoding != fofiType1StandardEncoding &&
encoding != fofiType1ExpertEncoding) {
for (i = 0; i < 256; ++i) {
gfree(encoding[i]);
}
gfree(encoding);
}
if (privateDicts) {
gfree(privateDicts);
}
if (fdSelect) {
gfree(fdSelect);
}
if (charset &&
charset != fofiType1CISOAdobeCharset &&
charset != fofiType1CExpertCharset &&
charset != fofiType1CExpertSubsetCharset) {
gfree(charset);
}
}
const char *FoFiType1C::getName() const {
return name ? name->c_str() : nullptr;
}
char **FoFiType1C::getEncoding() const {
return encoding;
}
GooString *FoFiType1C::getGlyphName(int gid) const {
char buf[256];
bool ok;
ok = true;
if (gid < 0 || gid >= charsetLength)
return nullptr;
getString(charset[gid], buf, &ok);
if (!ok) {
return nullptr;
}
return new GooString(buf);
}
int *FoFiType1C::getCIDToGIDMap(int *nCIDs) const {
int *map;
int n, i;
// a CID font's top dict has ROS as the first operator
if (topDict.firstOp != 0x0c1e) {
*nCIDs = 0;
return nullptr;
}
// in a CID font, the charset data is the GID-to-CID mapping, so all
// we have to do is reverse it
n = 0;
for (i = 0; i < nGlyphs && i < charsetLength; ++i) {
if (charset[i] > n) {
n = charset[i];
}
}
++n;
map = (int *)gmallocn(n, sizeof(int));
memset(map, 0, n * sizeof(int));
for (i = 0; i < nGlyphs; ++i) {
map[charset[i]] = i;
}
*nCIDs = n;
return map;
}
void FoFiType1C::getFontMatrix(double *mat) const {
int i;
if (topDict.firstOp == 0x0c1e && privateDicts[0].hasFontMatrix) {
if (topDict.hasFontMatrix) {
mat[0] = topDict.fontMatrix[0] * privateDicts[0].fontMatrix[0] +
topDict.fontMatrix[1] * privateDicts[0].fontMatrix[2];
mat[1] = topDict.fontMatrix[0] * privateDicts[0].fontMatrix[1] +
topDict.fontMatrix[1] * privateDicts[0].fontMatrix[3];
mat[2] = topDict.fontMatrix[2] * privateDicts[0].fontMatrix[0] +
topDict.fontMatrix[3] * privateDicts[0].fontMatrix[2];
mat[3] = topDict.fontMatrix[2] * privateDicts[0].fontMatrix[1] +
topDict.fontMatrix[3] * privateDicts[0].fontMatrix[3];
mat[4] = topDict.fontMatrix[4] * privateDicts[0].fontMatrix[0] +
topDict.fontMatrix[5] * privateDicts[0].fontMatrix[2];
mat[5] = topDict.fontMatrix[4] * privateDicts[0].fontMatrix[1] +
topDict.fontMatrix[5] * privateDicts[0].fontMatrix[3];
} else {
for (i = 0; i < 6; ++i) {
mat[i] = privateDicts[0].fontMatrix[i];
}
}
} else {
for (i = 0; i < 6; ++i) {
mat[i] = topDict.fontMatrix[i];
}
}
}
void FoFiType1C::convertToType1(const char *psName, const char **newEncoding, bool ascii,
FoFiOutputFunc outputFunc,
void *outputStream) {
int psNameLen;
Type1CEexecBuf eb;
Type1CIndex subrIdx;
Type1CIndexVal val;
GooString *buf;
char buf2[256];
const char **enc;
bool ok;
int i;
if (psName) {
psNameLen = strlen(psName);
} else {
psName = name->c_str();
psNameLen = name->getLength();
}
// write header and font dictionary, up to encoding
ok = true;
(*outputFunc)(outputStream, "%!FontType1-1.0: ", 17);
(*outputFunc)(outputStream, psName, psNameLen);
if (topDict.versionSID != 0) {
getString(topDict.versionSID, buf2, &ok);
(*outputFunc)(outputStream, buf2, strlen(buf2));
}
(*outputFunc)(outputStream, "\n", 1);
// the dictionary needs room for 12 entries: the following 9, plus
// Private and CharStrings (in the eexec section) and FID (which is
// added by definefont)
(*outputFunc)(outputStream, "12 dict begin\n", 14);
(*outputFunc)(outputStream, "/FontInfo 10 dict dup begin\n", 28);
if (topDict.versionSID != 0) {
(*outputFunc)(outputStream, "/version ", 9);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.noticeSID != 0) {
getString(topDict.noticeSID, buf2, &ok);
(*outputFunc)(outputStream, "/Notice ", 8);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.copyrightSID != 0) {
getString(topDict.copyrightSID, buf2, &ok);
(*outputFunc)(outputStream, "/Copyright ", 11);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.fullNameSID != 0) {
getString(topDict.fullNameSID, buf2, &ok);
(*outputFunc)(outputStream, "/FullName ", 10);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.familyNameSID != 0) {
getString(topDict.familyNameSID, buf2, &ok);
(*outputFunc)(outputStream, "/FamilyName ", 12);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.weightSID != 0) {
getString(topDict.weightSID, buf2, &ok);
(*outputFunc)(outputStream, "/Weight ", 8);
writePSString(buf2, outputFunc, outputStream);
(*outputFunc)(outputStream, " readonly def\n", 14);
}
if (topDict.isFixedPitch) {
(*outputFunc)(outputStream, "/isFixedPitch true def\n", 23);
} else {
(*outputFunc)(outputStream, "/isFixedPitch false def\n", 24);
}
buf = GooString::format("/ItalicAngle {0:.4g} def\n", topDict.italicAngle);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/UnderlinePosition {0:.4g} def\n",
topDict.underlinePosition);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/UnderlineThickness {0:.4g} def\n",
topDict.underlineThickness);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "end readonly def\n", 17);
(*outputFunc)(outputStream, "/FontName /", 11);
(*outputFunc)(outputStream, psName, psNameLen);
(*outputFunc)(outputStream, " def\n", 5);
buf = GooString::format("/PaintType {0:d} def\n", topDict.paintType);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/FontType 1 def\n", 16);
buf = GooString::format("/FontMatrix [{0:.8g} {1:.8g} {2:.8g} {3:.8g} {4:.8g} {5:.8g}] readonly def\n",
topDict.fontMatrix[0], topDict.fontMatrix[1],
topDict.fontMatrix[2], topDict.fontMatrix[3],
topDict.fontMatrix[4], topDict.fontMatrix[5]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/FontBBox [{0:.4g} {1:.4g} {2:.4g} {3:.4g}] readonly def\n",
topDict.fontBBox[0], topDict.fontBBox[1],
topDict.fontBBox[2], topDict.fontBBox[3]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/StrokeWidth {0:.4g} def\n", topDict.strokeWidth);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
if (topDict.uniqueID != 0) {
buf = GooString::format("/UniqueID {0:d} def\n", topDict.uniqueID);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
// write the encoding
(*outputFunc)(outputStream, "/Encoding ", 10);
if (!newEncoding && encoding == fofiType1StandardEncoding) {
(*outputFunc)(outputStream, "StandardEncoding def\n", 21);
} else {
(*outputFunc)(outputStream, "256 array\n", 10);
(*outputFunc)(outputStream,
"0 1 255 {1 index exch /.notdef put} for\n", 40);
enc = newEncoding ? newEncoding : (const char **)encoding;
for (i = 0; i < 256; ++i) {
if (enc[i]) {
buf = GooString::format("dup {0:d} /{1:s} put\n", i, enc[i]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
}
(*outputFunc)(outputStream, "readonly def\n", 13);
}
(*outputFunc)(outputStream, "currentdict end\n", 16);
// start the binary section
(*outputFunc)(outputStream, "currentfile eexec\n", 18);
eb.outputFunc = outputFunc;
eb.outputStream = outputStream;
eb.ascii = ascii;
eb.r1 = 55665;
eb.line = 0;
// write the private dictionary
eexecWrite(&eb, "\x83\xca\x73\xd5");
eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
" executeonly def\n");
eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
eexecWrite(&eb, "/MinFeature {16 16} def\n");
eexecWrite(&eb, "/password 5839 def\n");
if (privateDicts[0].nBlueValues) {
eexecWrite(&eb, "/BlueValues [");
for (i = 0; i < privateDicts[0].nBlueValues; ++i) {
buf = GooString::format("{0:s}{1:d}",
i > 0 ? " " : "", privateDicts[0].blueValues[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].nOtherBlues) {
eexecWrite(&eb, "/OtherBlues [");
for (i = 0; i < privateDicts[0].nOtherBlues; ++i) {
buf = GooString::format("{0:s}{1:d}",
i > 0 ? " " : "", privateDicts[0].otherBlues[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].nFamilyBlues) {
eexecWrite(&eb, "/FamilyBlues [");
for (i = 0; i < privateDicts[0].nFamilyBlues; ++i) {
buf = GooString::format("{0:s}{1:d}",
i > 0 ? " " : "", privateDicts[0].familyBlues[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].nFamilyOtherBlues) {
eexecWrite(&eb, "/FamilyOtherBlues [");
for (i = 0; i < privateDicts[0].nFamilyOtherBlues; ++i) {
buf = GooString::format("{0:s}{1:d}", i > 0 ? " " : "",
privateDicts[0].familyOtherBlues[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].blueScale != 0.039625) {
buf = GooString::format("/BlueScale {0:.4g} def\n",
privateDicts[0].blueScale);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].blueShift != 7) {
buf = GooString::format("/BlueShift {0:d} def\n", privateDicts[0].blueShift);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].blueFuzz != 1) {
buf = GooString::format("/BlueFuzz {0:d} def\n", privateDicts[0].blueFuzz);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].hasStdHW) {
buf = GooString::format("/StdHW [{0:.4g}] def\n", privateDicts[0].stdHW);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].hasStdVW) {
buf = GooString::format("/StdVW [{0:.4g}] def\n", privateDicts[0].stdVW);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].nStemSnapH) {
eexecWrite(&eb, "/StemSnapH [");
for (i = 0; i < privateDicts[0].nStemSnapH; ++i) {
buf = GooString::format("{0:s}{1:.4g}",
i > 0 ? " " : "", privateDicts[0].stemSnapH[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].nStemSnapV) {
eexecWrite(&eb, "/StemSnapV [");
for (i = 0; i < privateDicts[0].nStemSnapV; ++i) {
buf = GooString::format("{0:s}{1:.4g}",
i > 0 ? " " : "", privateDicts[0].stemSnapV[i]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[0].hasForceBold) {
buf = GooString::format("/ForceBold {0:s} def\n",
privateDicts[0].forceBold ? "true" : "false");
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].forceBoldThreshold != 0) {
buf = GooString::format("/ForceBoldThreshold {0:.4g} def\n",
privateDicts[0].forceBoldThreshold);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].languageGroup != 0) {
buf = GooString::format("/LanguageGroup {0:d} def\n",
privateDicts[0].languageGroup);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[0].expansionFactor != 0.06) {
buf = GooString::format("/ExpansionFactor {0:.4g} def\n",
privateDicts[0].expansionFactor);
eexecWrite(&eb, buf->c_str());
delete buf;
}
// set up subroutines
ok = true;
getIndex(privateDicts[0].subrsOffset, &subrIdx, &ok);
if (!ok) {
subrIdx.pos = -1;
}
// write the CharStrings
buf = GooString::format("2 index /CharStrings {0:d} dict dup begin\n",
nGlyphs);
eexecWrite(&eb, buf->c_str());
delete buf;
for (i = 0; i < nGlyphs; ++i) {
ok = true;
getIndexVal(&charStringsIdx, i, &val, &ok);
if (ok && i < charsetLength) {
getString(charset[i], buf2, &ok);
if (ok) {
eexecCvtGlyph(&eb, buf2, val.pos, val.len, &subrIdx, &privateDicts[0]);
}
}
}
eexecWrite(&eb, "end\n");
eexecWrite(&eb, "end\n");
eexecWrite(&eb, "readonly put\n");
eexecWrite(&eb, "noaccess put\n");
eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
eexecWrite(&eb, "mark currentfile closefile\n");
// trailer
if (ascii && eb.line > 0) {
(*outputFunc)(outputStream, "\n", 1);
}
for (i = 0; i < 8; ++i) {
(*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
}
(*outputFunc)(outputStream, "cleartomark\n", 12);
}
void FoFiType1C::convertToCIDType0(const char *psName, const int *codeMap, int nCodes,
FoFiOutputFunc outputFunc,
void *outputStream) {
int *cidMap;
GooString *charStrings;
int *charStringOffsets;
Type1CIndex subrIdx;
Type1CIndexVal val;
int nCIDs, gdBytes;
GooString *buf;
char buf2[256];
bool ok;
int gid, offset, n, i, j, k;
// compute the CID count and build the CID-to-GID mapping
if (codeMap) {
nCIDs = nCodes;
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCodes; ++i) {
if (codeMap[i] >= 0 && codeMap[i] < nGlyphs) {
cidMap[i] = codeMap[i];
} else {
cidMap[i] = -1;
}
}
} else if (topDict.firstOp == 0x0c1e) {
nCIDs = 0;
for (i = 0; i < nGlyphs && i < charsetLength; ++i) {
if (charset[i] >= nCIDs) {
nCIDs = charset[i] + 1;
}
}
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCIDs; ++i) {
cidMap[i] = -1;
}
for (i = 0; i < nGlyphs && i < charsetLength; ++i) {
cidMap[charset[i]] = i;
}
} else {
nCIDs = nGlyphs;
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCIDs; ++i) {
cidMap[i] = i;
}
}
// build the charstrings
charStrings = new GooString();
charStringOffsets = (int *)gmallocn(nCIDs + 1, sizeof(int));
for (i = 0; i < nCIDs; ++i) {
charStringOffsets[i] = charStrings->getLength();
if ((gid = cidMap[i]) >= 0) {
ok = true;
getIndexVal(&charStringsIdx, gid, &val, &ok);
if (ok) {
getIndex(privateDicts[fdSelect ? fdSelect[gid] : 0].subrsOffset,
&subrIdx, &ok);
if (!ok) {
subrIdx.pos = -1;
}
cvtGlyph(val.pos, val.len, charStrings,
&subrIdx, &privateDicts[fdSelect ? fdSelect[gid] : 0], true);
}
}
}
charStringOffsets[nCIDs] = charStrings->getLength();
// compute gdBytes = number of bytes needed for charstring offsets
// (offset size needs to account for the charstring offset table,
// with a worst case of five bytes per entry, plus the charstrings
// themselves)
i = (nCIDs + 1) * 5 + charStrings->getLength();
if (i < 0x100) {
gdBytes = 1;
} else if (i < 0x10000) {
gdBytes = 2;
} else if (i < 0x1000000) {
gdBytes = 3;
} else {
gdBytes = 4;
}
// begin the font dictionary
(*outputFunc)(outputStream, "/CIDInit /ProcSet findresource begin\n", 37);
(*outputFunc)(outputStream, "20 dict begin\n", 14);
(*outputFunc)(outputStream, "/CIDFontName /", 14);
(*outputFunc)(outputStream, psName, strlen(psName));
(*outputFunc)(outputStream, " def\n", 5);
(*outputFunc)(outputStream, "/CIDFontType 0 def\n", 19);
(*outputFunc)(outputStream, "/CIDSystemInfo 3 dict dup begin\n", 32);
if (topDict.registrySID > 0 && topDict.orderingSID > 0) {
ok = true;
getString(topDict.registrySID, buf2, &ok);
if (ok) {
(*outputFunc)(outputStream, " /Registry (", 13);
(*outputFunc)(outputStream, buf2, strlen(buf2));
(*outputFunc)(outputStream, ") def\n", 6);
}
ok = true;
getString(topDict.orderingSID, buf2, &ok);
if (ok) {
(*outputFunc)(outputStream, " /Ordering (", 13);
(*outputFunc)(outputStream, buf2, strlen(buf2));
(*outputFunc)(outputStream, ") def\n", 6);
}
} else {
(*outputFunc)(outputStream, " /Registry (Adobe) def\n", 24);
(*outputFunc)(outputStream, " /Ordering (Identity) def\n", 27);
}
buf = GooString::format(" /Supplement {0:d} def\n", topDict.supplement);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "end def\n", 8);
if (topDict.hasFontMatrix) {
buf = GooString::format("/FontMatrix [{0:.8g} {1:.8g} {2:.8g} {3:.8g} {4:.8g} {5:.8g}] def\n",
topDict.fontMatrix[0], topDict.fontMatrix[1],
topDict.fontMatrix[2], topDict.fontMatrix[3],
topDict.fontMatrix[4], topDict.fontMatrix[5]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
} else if (privateDicts[0].hasFontMatrix) {
(*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
} else {
(*outputFunc)(outputStream,
"/FontMatrix [0.001 0 0 0.001 0 0] def\n", 38);
}
buf = GooString::format("/FontBBox [{0:.4g} {1:.4g} {2:.4g} {3:.4g}] def\n",
topDict.fontBBox[0], topDict.fontBBox[1],
topDict.fontBBox[2], topDict.fontBBox[3]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/FontInfo 1 dict dup begin\n", 27);
(*outputFunc)(outputStream, " /FSType 8 def\n", 16);
(*outputFunc)(outputStream, "end def\n", 8);
// CIDFont-specific entries
buf = GooString::format("/CIDCount {0:d} def\n", nCIDs);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/FDBytes 1 def\n", 15);
buf = GooString::format("/GDBytes {0:d} def\n", gdBytes);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/CIDMapOffset 0 def\n", 20);
if (topDict.paintType != 0) {
buf = GooString::format("/PaintType {0:d} def\n", topDict.paintType);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/StrokeWidth {0:.4g} def\n", topDict.strokeWidth);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
// FDArray entry
buf = GooString::format("/FDArray {0:d} array\n", nFDs);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
for (i = 0; i < nFDs; ++i) {
buf = GooString::format("dup {0:d} 10 dict begin\n", i);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/FontType 1 def\n", 16);
if (privateDicts[i].hasFontMatrix) {
buf = GooString::format("/FontMatrix [{0:.8g} {1:.8g} {2:.8g} {3:.8g} {4:.8g} {5:.8g}] def\n",
privateDicts[i].fontMatrix[0],
privateDicts[i].fontMatrix[1],
privateDicts[i].fontMatrix[2],
privateDicts[i].fontMatrix[3],
privateDicts[i].fontMatrix[4],
privateDicts[i].fontMatrix[5]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
} else {
(*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
}
buf = GooString::format("/PaintType {0:d} def\n", topDict.paintType);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/Private 32 dict begin\n", 23);
if (privateDicts[i].nBlueValues) {
(*outputFunc)(outputStream, "/BlueValues [", 13);
for (j = 0; j < privateDicts[i].nBlueValues; ++j) {
buf = GooString::format("{0:s}{1:d}",
j > 0 ? " " : "", privateDicts[i].blueValues[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].nOtherBlues) {
(*outputFunc)(outputStream, "/OtherBlues [", 13);
for (j = 0; j < privateDicts[i].nOtherBlues; ++j) {
buf = GooString::format("{0:s}{1:d}",
j > 0 ? " " : "", privateDicts[i].otherBlues[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].nFamilyBlues) {
(*outputFunc)(outputStream, "/FamilyBlues [", 14);
for (j = 0; j < privateDicts[i].nFamilyBlues; ++j) {
buf = GooString::format("{0:s}{1:d}",
j > 0 ? " " : "",
privateDicts[i].familyBlues[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].nFamilyOtherBlues) {
(*outputFunc)(outputStream, "/FamilyOtherBlues [", 19);
for (j = 0; j < privateDicts[i].nFamilyOtherBlues; ++j) {
buf = GooString::format("{0:s}{1:d}", j > 0 ? " " : "",
privateDicts[i].familyOtherBlues[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].blueScale != 0.039625) {
buf = GooString::format("/BlueScale {0:.4g} def\n",
privateDicts[i].blueScale);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].blueShift != 7) {
buf = GooString::format("/BlueShift {0:d} def\n",
privateDicts[i].blueShift);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].blueFuzz != 1) {
buf = GooString::format("/BlueFuzz {0:d} def\n", privateDicts[i].blueFuzz);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].hasStdHW) {
buf = GooString::format("/StdHW [{0:.4g}] def\n", privateDicts[i].stdHW);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].hasStdVW) {
buf = GooString::format("/StdVW [{0:.4g}] def\n", privateDicts[i].stdVW);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].nStemSnapH) {
(*outputFunc)(outputStream, "/StemSnapH [", 12);
for (j = 0; j < privateDicts[i].nStemSnapH; ++j) {
buf = GooString::format("{0:s}{1:.4g}",
j > 0 ? " " : "", privateDicts[i].stemSnapH[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].nStemSnapV) {
(*outputFunc)(outputStream, "/StemSnapV [", 12);
for (j = 0; j < privateDicts[i].nStemSnapV; ++j) {
buf = GooString::format("{0:s}{1:.4g}",
j > 0 ? " " : "", privateDicts[i].stemSnapV[j]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
}
if (privateDicts[i].hasForceBold) {
buf = GooString::format("/ForceBold {0:s} def\n",
privateDicts[i].forceBold ? "true" : "false");
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].forceBoldThreshold != 0) {
buf = GooString::format("/ForceBoldThreshold {0:.4g} def\n",
privateDicts[i].forceBoldThreshold);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].languageGroup != 0) {
buf = GooString::format("/LanguageGroup {0:d} def\n",
privateDicts[i].languageGroup);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (privateDicts[i].expansionFactor != 0.06) {
buf = GooString::format("/ExpansionFactor {0:.4g} def\n",
privateDicts[i].expansionFactor);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "currentdict end def\n", 20);
(*outputFunc)(outputStream, "currentdict end put\n", 20);
}
(*outputFunc)(outputStream, "def\n", 4);
// start the binary section
offset = (nCIDs + 1) * (1 + gdBytes);
buf = GooString::format("(Hex) {0:d} StartData\n",
offset + charStrings->getLength());
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
// write the charstring offset (CIDMap) table
for (i = 0; i <= nCIDs; i += 6) {
for (j = 0; j < 6 && i+j <= nCIDs; ++j) {
if (i+j < nCIDs && cidMap[i+j] >= 0 && fdSelect) {
buf2[0] = (char)fdSelect[cidMap[i+j]];
} else {
buf2[0] = (char)0;
}
n = offset + charStringOffsets[i+j];
for (k = gdBytes; k >= 1; --k) {
buf2[k] = (char)(n & 0xff);
n >>= 8;
}
for (k = 0; k <= gdBytes; ++k) {
buf = GooString::format("{0:02x}", buf2[k] & 0xff);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
}
(*outputFunc)(outputStream, "\n", 1);
}
// write the charstring data
n = charStrings->getLength();
for (i = 0; i < n; i += 32) {
for (j = 0; j < 32 && i+j < n; ++j) {
buf = GooString::format("{0:02x}", charStrings->getChar(i+j) & 0xff);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (i + 32 >= n) {
(*outputFunc)(outputStream, ">", 1);
}
(*outputFunc)(outputStream, "\n", 1);
}
gfree(charStringOffsets);
delete charStrings;
gfree(cidMap);
}
void FoFiType1C::convertToType0(const char *psName, const int *codeMap, int nCodes,
FoFiOutputFunc outputFunc,
void *outputStream) {
int *cidMap;
Type1CIndex subrIdx;
Type1CIndexVal val;
int nCIDs;
GooString *buf;
Type1CEexecBuf eb;
bool ok;
int fd, i, j, k;
// compute the CID count and build the CID-to-GID mapping
if (codeMap) {
nCIDs = nCodes;
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCodes; ++i) {
if (codeMap[i] >= 0 && codeMap[i] < nGlyphs) {
cidMap[i] = codeMap[i];
} else {
cidMap[i] = -1;
}
}
} else if (topDict.firstOp == 0x0c1e) {
nCIDs = 0;
for (i = 0; i < nGlyphs && i < charsetLength; ++i) {
if (charset[i] >= nCIDs) {
nCIDs = charset[i] + 1;
}
}
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCIDs; ++i) {
cidMap[i] = -1;
}
for (i = 0; i < nGlyphs && i < charsetLength; ++i) {
cidMap[charset[i]] = i;
}
} else {
nCIDs = nGlyphs;
cidMap = (int *)gmallocn(nCIDs, sizeof(int));
for (i = 0; i < nCIDs; ++i) {
cidMap[i] = i;
}
}
if (privateDicts) {
// write the descendant Type 1 fonts
for (i = 0; i < nCIDs; i += 256) {
//~ this assumes that all CIDs in this block have the same FD --
//~ to handle multiple FDs correctly, need to somehow divide the
//~ font up by FD; as a kludge we ignore CID 0, which is .notdef
fd = 0;
// if fdSelect is NULL, we have an 8-bit font, so just leave fd=0
if (fdSelect) {
for (j = i==0 ? 1 : 0; j < 256 && i+j < nCIDs; ++j) {
if (cidMap[i+j] >= 0) {
fd = fdSelect[cidMap[i+j]];
break;
}
}
}
if (fd >= nFDs)
continue;
// font dictionary (unencrypted section)
(*outputFunc)(outputStream, "16 dict begin\n", 14);
(*outputFunc)(outputStream, "/FontName /", 11);
(*outputFunc)(outputStream, psName, strlen(psName));
buf = GooString::format("_{0:02x} def\n", i >> 8);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
(*outputFunc)(outputStream, "/FontType 1 def\n", 16);
if (privateDicts[fd].hasFontMatrix) {
buf = GooString::format("/FontMatrix [{0:.8g} {1:.8g} {2:.8g} {3:.8g} {4:.8g} {5:.8g}] def\n",
privateDicts[fd].fontMatrix[0],
privateDicts[fd].fontMatrix[1],
privateDicts[fd].fontMatrix[2],
privateDicts[fd].fontMatrix[3],
privateDicts[fd].fontMatrix[4],
privateDicts[fd].fontMatrix[5]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
} else if (topDict.hasFontMatrix) {
(*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
} else {
(*outputFunc)(outputStream,
"/FontMatrix [0.001 0 0 0.001 0 0] def\n", 38);
}
buf = GooString::format("/FontBBox [{0:.4g} {1:.4g} {2:.4g} {3:.4g}] def\n",
topDict.fontBBox[0], topDict.fontBBox[1],
topDict.fontBBox[2], topDict.fontBBox[3]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
buf = GooString::format("/PaintType {0:d} def\n", topDict.paintType);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
if (topDict.paintType != 0) {
buf = GooString::format("/StrokeWidth {0:.4g} def\n", topDict.strokeWidth);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "/Encoding 256 array\n", 20);
for (j = 0; j < 256 && i+j < nCIDs; ++j) {
buf = GooString::format("dup {0:d} /c{1:02x} put\n", j, j);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
if (j < 256) {
buf = GooString::format("{0:d} 1 255 {{ 1 index exch /.notdef put }} for\n",
j);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "readonly def\n", 13);
(*outputFunc)(outputStream, "currentdict end\n", 16);
// start the binary section
(*outputFunc)(outputStream, "currentfile eexec\n", 18);
eb.outputFunc = outputFunc;
eb.outputStream = outputStream;
eb.ascii = true;
eb.r1 = 55665;
eb.line = 0;
// start the private dictionary
eexecWrite(&eb, "\x83\xca\x73\xd5");
eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
" executeonly def\n");
eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
eexecWrite(&eb, "/MinFeature {16 16} def\n");
eexecWrite(&eb, "/password 5839 def\n");
if (privateDicts[fd].nBlueValues) {
eexecWrite(&eb, "/BlueValues [");
for (k = 0; k < privateDicts[fd].nBlueValues; ++k) {
buf = GooString::format("{0:s}{1:d}",
k > 0 ? " " : "",
privateDicts[fd].blueValues[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].nOtherBlues) {
eexecWrite(&eb, "/OtherBlues [");
for (k = 0; k < privateDicts[fd].nOtherBlues; ++k) {
buf = GooString::format("{0:s}{1:d}",
k > 0 ? " " : "",
privateDicts[fd].otherBlues[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].nFamilyBlues) {
eexecWrite(&eb, "/FamilyBlues [");
for (k = 0; k < privateDicts[fd].nFamilyBlues; ++k) {
buf = GooString::format("{0:s}{1:d}", k > 0 ? " " : "",
privateDicts[fd].familyBlues[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].nFamilyOtherBlues) {
eexecWrite(&eb, "/FamilyOtherBlues [");
for (k = 0; k < privateDicts[fd].nFamilyOtherBlues; ++k) {
buf = GooString::format("{0:s}{1:d}", k > 0 ? " " : "",
privateDicts[fd].familyOtherBlues[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].blueScale != 0.039625) {
buf = GooString::format("/BlueScale {0:.4g} def\n",
privateDicts[fd].blueScale);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].blueShift != 7) {
buf = GooString::format("/BlueShift {0:d} def\n",
privateDicts[fd].blueShift);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].blueFuzz != 1) {
buf = GooString::format("/BlueFuzz {0:d} def\n",
privateDicts[fd].blueFuzz);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].hasStdHW) {
buf = GooString::format("/StdHW [{0:.4g}] def\n", privateDicts[fd].stdHW);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].hasStdVW) {
buf = GooString::format("/StdVW [{0:.4g}] def\n", privateDicts[fd].stdVW);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].nStemSnapH) {
eexecWrite(&eb, "/StemSnapH [");
for (k = 0; k < privateDicts[fd].nStemSnapH; ++k) {
buf = GooString::format("{0:s}{1:.4g}",
k > 0 ? " " : "", privateDicts[fd].stemSnapH[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].nStemSnapV) {
eexecWrite(&eb, "/StemSnapV [");
for (k = 0; k < privateDicts[fd].nStemSnapV; ++k) {
buf = GooString::format("{0:s}{1:.4g}",
k > 0 ? " " : "", privateDicts[fd].stemSnapV[k]);
eexecWrite(&eb, buf->c_str());
delete buf;
}
eexecWrite(&eb, "] def\n");
}
if (privateDicts[fd].hasForceBold) {
buf = GooString::format("/ForceBold {0:s} def\n",
privateDicts[fd].forceBold ? "true" : "false");
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].forceBoldThreshold != 0) {
buf = GooString::format("/ForceBoldThreshold {0:.4g} def\n",
privateDicts[fd].forceBoldThreshold);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].languageGroup != 0) {
buf = GooString::format("/LanguageGroup {0:d} def\n",
privateDicts[fd].languageGroup);
eexecWrite(&eb, buf->c_str());
delete buf;
}
if (privateDicts[fd].expansionFactor != 0.06) {
buf = GooString::format("/ExpansionFactor {0:.4g} def\n",
privateDicts[fd].expansionFactor);
eexecWrite(&eb, buf->c_str());
delete buf;
}
// set up the subroutines
ok = true;
getIndex(privateDicts[fd].subrsOffset, &subrIdx, &ok);
if (!ok) {
subrIdx.pos = -1;
}
// start the CharStrings
eexecWrite(&eb, "2 index /CharStrings 256 dict dup begin\n");
// write the .notdef CharString
ok = true;
getIndexVal(&charStringsIdx, 0, &val, &ok);
if (ok) {
eexecCvtGlyph(&eb, ".notdef", val.pos, val.len,
&subrIdx, &privateDicts[fd]);
}
// write the CharStrings
for (j = 0; j < 256 && i+j < nCIDs; ++j) {
if (cidMap[i+j] >= 0) {
ok = true;
getIndexVal(&charStringsIdx, cidMap[i+j], &val, &ok);
if (ok) {
buf = GooString::format("c{0:02x}", j);
eexecCvtGlyph(&eb, buf->c_str(), val.pos, val.len,
&subrIdx, &privateDicts[fd]);
delete buf;
}
}
}
eexecWrite(&eb, "end\n");
eexecWrite(&eb, "end\n");
eexecWrite(&eb, "readonly put\n");
eexecWrite(&eb, "noaccess put\n");
eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
eexecWrite(&eb, "mark currentfile closefile\n");
// trailer
if (eb.line > 0) {
(*outputFunc)(outputStream, "\n", 1);
}
for (j = 0; j < 8; ++j) {
(*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
}
(*outputFunc)(outputStream, "cleartomark\n", 12);
}
} else {
error(errSyntaxError, -1, "FoFiType1C::convertToType0 without privateDicts");
}
// write the Type 0 parent font
(*outputFunc)(outputStream, "16 dict begin\n", 14);
(*outputFunc)(outputStream, "/FontName /", 11);
(*outputFunc)(outputStream, psName, strlen(psName));
(*outputFunc)(outputStream, " def\n", 5);
(*outputFunc)(outputStream, "/FontType 0 def\n", 16);
if (topDict.hasFontMatrix) {
buf = GooString::format("/FontMatrix [{0:.8g} {1:.8g} {2:.8g} {3:.8g} {4:.8g} {5:.8g}] def\n",
topDict.fontMatrix[0], topDict.fontMatrix[1],
topDict.fontMatrix[2], topDict.fontMatrix[3],
topDict.fontMatrix[4], topDict.fontMatrix[5]);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
} else {
(*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
}
(*outputFunc)(outputStream, "/FMapType 2 def\n", 16);
(*outputFunc)(outputStream, "/Encoding [\n", 12);
for (i = 0; i < nCIDs; i += 256) {
buf = GooString::format("{0:d}\n", i >> 8);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
(*outputFunc)(outputStream, "/FDepVector [\n", 14);
for (i = 0; i < nCIDs; i += 256) {
(*outputFunc)(outputStream, "/", 1);
(*outputFunc)(outputStream, psName, strlen(psName));
buf = GooString::format("_{0:02x} findfont\n", i >> 8);
(*outputFunc)(outputStream, buf->c_str(), buf->getLength());
delete buf;
}
(*outputFunc)(outputStream, "] def\n", 6);
(*outputFunc)(outputStream, "FontName currentdict end definefont pop\n", 40);
gfree(cidMap);
}
void FoFiType1C::eexecCvtGlyph(Type1CEexecBuf *eb, const char *glyphName,
int offset, int nBytes,
Type1CIndex *subrIdx,
Type1CPrivateDict *pDict) {
GooString *buf;
GooString *charBuf;
// generate the charstring
charBuf = new GooString();
cvtGlyph(offset, nBytes, charBuf, subrIdx, pDict, true);
buf = GooString::format("/{0:s} {1:d} RD ", glyphName, charBuf->getLength());
eexecWrite(eb, buf->c_str());
delete buf;
eexecWriteCharstring(eb, (unsigned char *)charBuf->c_str(),
charBuf->getLength());
eexecWrite(eb, " ND\n");
delete charBuf;
}
void FoFiType1C::cvtGlyph(int offset, int nBytes, GooString *charBuf,
Type1CIndex *subrIdx, Type1CPrivateDict *pDict,
bool top) {
Type1CIndexVal val;
bool ok, dFP;
double d, dx, dy;
unsigned short r2;
unsigned char byte;
int pos, subrBias, start, i, k;
start = charBuf->getLength();
if (top) {
charBuf->append('\x49'); //73;
charBuf->append('\x3A'); //58;
charBuf->append('\x93'); //147;
charBuf->append('\x86'); //134;
nOps = 0;
nHints = 0;
firstOp = true;
openPath = false;
}
pos = offset;
while (pos < offset + nBytes) {
ok = true;
pos = getOp(pos, true, &ok);
if (!ok) {
break;
}
if (!ops[nOps - 1].isNum) {
--nOps; // drop the operator
switch (ops[nOps].op) {
case 0x0001: // hstem
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hstem", nOps);
}
d = 0;
dFP = false;
for (k = 0; k < nOps; k += 2) {
// convert Type 2 edge hints (-20 or -21) to Type 1 ghost hints
if (ops[k+1].num < 0) {
d += ops[k].num + ops[k+1].num;
dFP |= ops[k].isFP | ops[k+1].isFP;
cvtNum(d, dFP, charBuf);
cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
} else {
d += ops[k].num;
dFP |= ops[k].isFP;
cvtNum(d, dFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
d += ops[k+1].num;
dFP |= ops[k+1].isFP;
}
charBuf->append((char)1);
}
nHints += nOps / 2;
nOps = 0;
break;
case 0x0003: // vstem
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vstem", nOps);
}
d = 0;
dFP = false;
for (k = 0; k < nOps; k += 2) {
// convert Type 2 edge hints (-20 or -21) to Type 1 ghost hints
if (ops[k+1].num < 0) {
d += ops[k].num + ops[k+1].num;
dFP |= ops[k].isFP | ops[k+1].isFP;
cvtNum(d, dFP, charBuf);
cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
} else {
d += ops[k].num;
dFP |= ops[k].isFP;
cvtNum(d, dFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
d += ops[k+1].num;
dFP |= ops[k+1].isFP;
}
charBuf->append((char)3);
}
nHints += nOps / 2;
nOps = 0;
break;
case 0x0004: // vmoveto
if (firstOp) {
cvtGlyphWidth(nOps == 2, charBuf, pDict);
firstOp = false;
}
if (openPath) {
charBuf->append((char)9);
openPath = false;
}
if (nOps != 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vmoveto", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
charBuf->append((char)4);
nOps = 0;
break;
case 0x0005: // rlineto
if (nOps < 2 || nOps % 2 != 0) {
//~ error(-1, "Wrong number of args (%d) to Type 2 rlineto", nOps);
}
for (k = 0; k < nOps; k += 2) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
charBuf->append((char)5);
}
nOps = 0;
openPath = true;
break;
case 0x0006: // hlineto
if (nOps < 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hlineto", nOps);
}
for (k = 0; k < nOps; ++k) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
charBuf->append((char)((k & 1) ? 7 : 6));
}
nOps = 0;
openPath = true;
break;
case 0x0007: // vlineto
if (nOps < 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vlineto", nOps);
}
for (k = 0; k < nOps; ++k) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
charBuf->append((char)((k & 1) ? 6 : 7));
}
nOps = 0;
openPath = true;
break;
case 0x0008: // rrcurveto
if (nOps < 6 || nOps % 6 != 0) {
//~ error(-1, "Wrong number of args (%d) to Type 2 rrcurveto", nOps);
}
for (k = 0; k < nOps; k += 6) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
charBuf->append((char)8);
}
nOps = 0;
openPath = true;
break;
case 0x000a: // callsubr
if (nOps >= 1) {
subrBias = (subrIdx->len < 1240)
? 107 : (subrIdx->len < 33900) ? 1131 : 32768;
k = subrBias + (int)ops[nOps - 1].num;
--nOps;
ok = true;
getIndexVal(subrIdx, k, &val, &ok);
if (likely(ok && val.pos != offset)) {
cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, false);
}
} else {
//~ error(-1, "Too few args to Type 2 callsubr");
}
// don't clear the stack
break;
case 0x000b: // return
// don't clear the stack
break;
case 0x000e: // endchar / seac
if (firstOp) {
cvtGlyphWidth(nOps == 1 || nOps == 5, charBuf, pDict);
firstOp = false;
}
if (openPath) {
charBuf->append((char)9);
openPath = false;
}
if (nOps == 4) {
cvtNum(0, false, charBuf);
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
charBuf->append((char)12)->append((char)6);
} else if (nOps == 0) {
charBuf->append((char)14);
} else {
//~ error(-1, "Wrong number of args (%d) to Type 2 endchar", nOps);
}
nOps = 0;
break;
case 0x000f: // (obsolete)
// this op is ignored, but we need the glyph width
if (firstOp) {
cvtGlyphWidth(nOps > 0, charBuf, pDict);
firstOp = false;
}
nOps = 0;
break;
case 0x0010: // blend
//~ error(-1, "Unimplemented Type 2 charstring op: %d", file[i]);
nOps = 0;
break;
case 0x0012: // hstemhm
// ignored
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hstemhm", nOps);
}
nHints += nOps / 2;
nOps = 0;
break;
case 0x0013: // hintmask
// ignored
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps > 0) {
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hintmask/vstemhm",
//~ nOps);
}
nHints += nOps / 2;
}
pos += (nHints + 7) >> 3;
nOps = 0;
break;
case 0x0014: // cntrmask
// ignored
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps > 0) {
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 cntrmask/vstemhm",
//~ nOps);
}
nHints += nOps / 2;
}
pos += (nHints + 7) >> 3;
nOps = 0;
break;
case 0x0015: // rmoveto
if (firstOp) {
cvtGlyphWidth(nOps == 3, charBuf, pDict);
firstOp = false;
}
if (openPath) {
charBuf->append((char)9);
openPath = false;
}
if (nOps != 2) {
//~ error(-1, "Wrong number of args (%d) to Type 2 rmoveto", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
charBuf->append((char)21);
nOps = 0;
break;
case 0x0016: // hmoveto
if (firstOp) {
cvtGlyphWidth(nOps == 2, charBuf, pDict);
firstOp = false;
}
if (openPath) {
charBuf->append((char)9);
openPath = false;
}
if (nOps != 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hmoveto", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
charBuf->append((char)22);
nOps = 0;
break;
case 0x0017: // vstemhm
// ignored
if (firstOp) {
cvtGlyphWidth(nOps & 1, charBuf, pDict);
firstOp = false;
}
if (nOps & 1) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vstemhm", nOps);
}
nHints += nOps / 2;
nOps = 0;
break;
case 0x0018: // rcurveline
if (nOps < 8 || (nOps - 2) % 6 != 0) {
//~ error(-1, "Wrong number of args (%d) to Type 2 rcurveline", nOps);
}
for (k = 0; k < nOps - 2; k += 6) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
charBuf->append((char)8);
}
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
charBuf->append((char)5);
nOps = 0;
openPath = true;
break;
case 0x0019: // rlinecurve
if (nOps < 8 || (nOps - 6) % 2 != 0) {
//~ error(-1, "Wrong number of args (%d) to Type 2 rlinecurve", nOps);
}
for (k = 0; k < nOps - 6; k += 2) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
charBuf->append((char)5);
}
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
charBuf->append((char)8);
nOps = 0;
openPath = true;
break;
case 0x001a: // vvcurveto
if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vvcurveto", nOps);
}
if (nOps % 2 == 1) {
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
charBuf->append((char)8);
k = 5;
} else {
k = 0;
}
for (; k < nOps; k += 4) {
cvtNum(0, false, charBuf);
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
charBuf->append((char)8);
}
nOps = 0;
openPath = true;
break;
case 0x001b: // hhcurveto
if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hhcurveto", nOps);
}
if (nOps % 2 == 1) {
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
cvtNum(0, false, charBuf);
charBuf->append((char)8);
k = 5;
} else {
k = 0;
}
for (; k < nOps; k += 4) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(0, false, charBuf);
charBuf->append((char)8);
}
nOps = 0;
openPath = true;
break;
case 0x001d: // callgsubr
if (nOps >= 1) {
k = gsubrBias + (int)ops[nOps - 1].num;
--nOps;
ok = true;
getIndexVal(&gsubrIdx, k, &val, &ok);
if (likely(ok && val.pos != offset)) {
cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, false);
}
} else {
//~ error(-1, "Too few args to Type 2 callgsubr");
}
// don't clear the stack
break;
case 0x001e: // vhcurveto
if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
//~ error(-1, "Wrong number of args (%d) to Type 2 vhcurveto", nOps);
}
for (k = 0; k < nOps && k != nOps-5; k += 4) {
if (k % 8 == 0) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
charBuf->append((char)30);
} else {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
charBuf->append((char)31);
}
}
if (k == nOps-5) {
if (k % 8 == 0) {
cvtNum(0, false, charBuf);
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
} else {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
}
charBuf->append((char)8);
}
nOps = 0;
openPath = true;
break;
case 0x001f: // hvcurveto
if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hvcurveto", nOps);
}
for (k = 0; k < nOps && k != nOps-5; k += 4) {
if (k % 8 == 0) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
charBuf->append((char)31);
} else {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
charBuf->append((char)30);
}
}
if (k == nOps-5) {
if (k % 8 == 0) {
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
} else {
cvtNum(0, false, charBuf);
cvtNum(ops[k].num, ops[k].isFP, charBuf);
cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
}
charBuf->append((char)8);
}
nOps = 0;
openPath = true;
break;
case 0x0c00: // dotsection (should be Type 1 only?)
// ignored
nOps = 0;
break;
case 0x0c03: // and
case 0x0c04: // or
case 0x0c05: // not
case 0x0c08: // store
case 0x0c09: // abs
case 0x0c0a: // add
case 0x0c0b: // sub
case 0x0c0c: // div
case 0x0c0d: // load
case 0x0c0e: // neg
case 0x0c0f: // eq
case 0x0c12: // drop
case 0x0c14: // put
case 0x0c15: // get
case 0x0c16: // ifelse
case 0x0c17: // random
case 0x0c18: // mul
case 0x0c1a: // sqrt
case 0x0c1b: // dup
case 0x0c1c: // exch
case 0x0c1d: // index
case 0x0c1e: // roll
//~ error(-1, "Unimplemented Type 2 charstring op: 12.%d", file[i+1]);
nOps = 0;
break;
case 0x0c22: // hflex
if (nOps != 7) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hflex", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(0, false, charBuf);
charBuf->append((char)8);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[5].num, ops[5].isFP, charBuf);
cvtNum(-ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[6].num, ops[6].isFP, charBuf);
cvtNum(0, false, charBuf);
charBuf->append((char)8);
nOps = 0;
openPath = true;
break;
case 0x0c23: // flex
if (nOps != 13) {
//~ error(-1, "Wrong number of args (%d) to Type 2 flex", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
cvtNum(ops[5].num, ops[5].isFP, charBuf);
charBuf->append((char)8);
cvtNum(ops[6].num, ops[6].isFP, charBuf);
cvtNum(ops[7].num, ops[7].isFP, charBuf);
cvtNum(ops[8].num, ops[8].isFP, charBuf);
cvtNum(ops[9].num, ops[9].isFP, charBuf);
cvtNum(ops[10].num, ops[10].isFP, charBuf);
cvtNum(ops[11].num, ops[11].isFP, charBuf);
charBuf->append((char)8);
nOps = 0;
openPath = true;
break;
case 0x0c24: // hflex1
if (nOps != 9) {
//~ error(-1, "Wrong number of args (%d) to Type 2 hflex1", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
cvtNum(0, false, charBuf);
charBuf->append((char)8);
cvtNum(ops[5].num, ops[5].isFP, charBuf);
cvtNum(0, false, charBuf);
cvtNum(ops[6].num, ops[6].isFP, charBuf);
cvtNum(ops[7].num, ops[7].isFP, charBuf);
cvtNum(ops[8].num, ops[8].isFP, charBuf);
cvtNum(-(ops[1].num + ops[3].num + ops[7].num),
ops[1].isFP | ops[3].isFP | ops[7].isFP, charBuf);
charBuf->append((char)8);
nOps = 0;
openPath = true;
break;
case 0x0c25: // flex1
if (nOps != 11) {
//~ error(-1, "Wrong number of args (%d) to Type 2 flex1", nOps);
}
cvtNum(ops[0].num, ops[0].isFP, charBuf);
cvtNum(ops[1].num, ops[1].isFP, charBuf);
cvtNum(ops[2].num, ops[2].isFP, charBuf);
cvtNum(ops[3].num, ops[3].isFP, charBuf);
cvtNum(ops[4].num, ops[4].isFP, charBuf);
cvtNum(ops[5].num, ops[5].isFP, charBuf);
charBuf->append((char)8);
cvtNum(ops[6].num, ops[6].isFP, charBuf);
cvtNum(ops[7].num, ops[7].isFP, charBuf);
cvtNum(ops[8].num, ops[8].isFP, charBuf);
cvtNum(ops[9].num, ops[9].isFP, charBuf);
dx = ops[0].num + ops[2].num + ops[4].num + ops[6].num + ops[8].num;
dy = ops[1].num + ops[3].num + ops[5].num + ops[7].num + ops[9].num;
if (fabs(dx) > fabs(dy)) {
cvtNum(ops[10].num, ops[10].isFP, charBuf);
cvtNum(-dy, ops[1].isFP | ops[3].isFP | ops[5].isFP |
ops[7].isFP | ops[9].isFP, charBuf);
} else {
cvtNum(-dx, ops[0].isFP | ops[2].isFP | ops[4].isFP |
ops[6].isFP | ops[8].isFP, charBuf);
cvtNum(ops[10].num, ops[10].isFP, charBuf);
}
charBuf->append((char)8);
nOps = 0;
openPath = true;
break;
default:
//~ error(-1, "Illegal Type 2 charstring op: %04x",
//~ ops[nOps].op);
nOps = 0;
break;
}
}
}
// charstring encryption
if (top) {
r2 = 4330;
for (i = start; i < charBuf->getLength(); ++i) {
byte = charBuf->getChar(i) ^ (r2 >> 8);
charBuf->setChar(i, byte);
r2 = (byte + r2) * 52845 + 22719;
}
}
}
void FoFiType1C::cvtGlyphWidth(bool useOp, GooString *charBuf,
Type1CPrivateDict *pDict) {
double w;
bool wFP;
int i;
if (useOp) {
w = pDict->nominalWidthX + ops[0].num;
wFP = pDict->nominalWidthXFP | ops[0].isFP;
for (i = 1; i < nOps; ++i) {
ops[i-1] = ops[i];
}
--nOps;
} else {
w = pDict->defaultWidthX;
wFP = pDict->defaultWidthXFP;
}
cvtNum(0, false, charBuf);
cvtNum(w, wFP, charBuf);
charBuf->append((char)13);
}
void FoFiType1C::cvtNum(double x, bool isFP, GooString *charBuf) const {
unsigned char buf[12];
int y, n;
n = 0;
if (isFP) {
if (x >= -32768 && x < 32768) {
y = (int)(x * 256.0);
buf[0] = 255;
buf[1] = (unsigned char)(y >> 24);
buf[2] = (unsigned char)(y >> 16);
buf[3] = (unsigned char)(y >> 8);
buf[4] = (unsigned char)y;
buf[5] = 255;
buf[6] = 0;
buf[7] = 0;
buf[8] = 1;
buf[9] = 0;
buf[10] = 12;
buf[11] = 12;
n = 12;
} else {
//~ error(-1, "Type 2 fixed point constant out of range");
}
} else {
y = (int)x;
if (y >= -107 && y <= 107) {
buf[0] = (unsigned char)(y + 139);
n = 1;
} else if (y > 107 && y <= 1131) {
y -= 108;
buf[0] = (unsigned char)((y >> 8) + 247);
buf[1] = (unsigned char)(y & 0xff);
n = 2;
} else if (y < -107 && y >= -1131) {
y = -y - 108;
buf[0] = (unsigned char)((y >> 8) + 251);
buf[1] = (unsigned char)(y & 0xff);
n = 2;
} else {
buf[0] = 255;
buf[1] = (unsigned char)(y >> 24);
buf[2] = (unsigned char)(y >> 16);
buf[3] = (unsigned char)(y >> 8);
buf[4] = (unsigned char)y;
n = 5;
}
}
charBuf->append((char *)buf, n);
}
void FoFiType1C::eexecWrite(Type1CEexecBuf *eb, const char *s) const {
unsigned char *p;
unsigned char x;
for (p = (unsigned char *)s; *p; ++p) {
x = *p ^ (eb->r1 >> 8);
eb->r1 = (x + eb->r1) * 52845 + 22719;
if (eb->ascii) {
(*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
(*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
eb->line += 2;
if (eb->line == 64) {
(*eb->outputFunc)(eb->outputStream, "\n", 1);
eb->line = 0;
}
} else {
(*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
}
}
}
void FoFiType1C::eexecWriteCharstring(Type1CEexecBuf *eb,
const unsigned char *s, int n) const {
unsigned char x;
int i;
// eexec encryption
for (i = 0; i < n; ++i) {
x = s[i] ^ (eb->r1 >> 8);
eb->r1 = (x + eb->r1) * 52845 + 22719;
if (eb->ascii) {
(*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
(*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
eb->line += 2;
if (eb->line == 64) {
(*eb->outputFunc)(eb->outputStream, "\n", 1);
eb->line = 0;
}
} else {
(*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
}
}
}
void FoFiType1C::writePSString(const char *s, FoFiOutputFunc outputFunc,
void *outputStream) const {
char buf[80];
const char *p;
int i, c;
i = 0;
buf[i++] = '(';
for (p = s; *p; ++p) {
c = *p & 0xff;
if (c == '(' || c == ')' || c == '\\') {
buf[i++] = '\\';
buf[i++] = c;
} else if (c < 0x20 || c >= 0x80) {
buf[i++] = '\\';
buf[i++] = '0' + ((c >> 6) & 7);
buf[i++] = '0' + ((c >> 3) & 7);
buf[i++] = '0' + (c & 7);
} else {
buf[i++] = c;
}
if (i >= 64) {
buf[i++] = '\\';
buf[i++] = '\n';
(*outputFunc)(outputStream, buf, i);
i = 0;
}
}
buf[i++] = ')';
(*outputFunc)(outputStream, buf, i);
}
bool FoFiType1C::parse() {
Type1CIndex fdIdx;
Type1CIndexVal val;
int i;
parsedOk = true;
// some tools embed Type 1C fonts with an extra whitespace char at
// the beginning
if (len > 0 && file[0] != '\x01') {
++file;
--len;
}
// find the indexes
getIndex(getU8(2, &parsedOk), &nameIdx, &parsedOk);
getIndex(nameIdx.endPos, &topDictIdx, &parsedOk);
getIndex(topDictIdx.endPos, &stringIdx, &parsedOk);
getIndex(stringIdx.endPos, &gsubrIdx, &parsedOk);
if (!parsedOk) {
return false;
}
gsubrBias = (gsubrIdx.len < 1240) ? 107
: (gsubrIdx.len < 33900) ? 1131 : 32768;
// read the first font name
getIndexVal(&nameIdx, 0, &val, &parsedOk);
if (!parsedOk) {
return false;
}
name = new GooString((char *)&file[val.pos], val.len);
// read the top dict for the first font
readTopDict();
// for CID fonts: read the FDArray dicts and private dicts
if (topDict.firstOp == 0x0c1e) {
if (topDict.fdArrayOffset == 0) {
nFDs = 1;
privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
readPrivateDict(0, 0, &privateDicts[0]);
} else {
getIndex(topDict.fdArrayOffset, &fdIdx, &parsedOk);
if (!parsedOk) {
return false;
}
nFDs = fdIdx.len;
privateDicts = (Type1CPrivateDict *)
gmallocn(nFDs, sizeof(Type1CPrivateDict));
for (i = 0; i < nFDs; ++i) {
getIndexVal(&fdIdx, i, &val, &parsedOk);
if (!parsedOk) {
return false;
}
readFD(val.pos, val.len, &privateDicts[i]);
}
}
// for 8-bit fonts: read the private dict
} else {
nFDs = 1;
privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
readPrivateDict(topDict.privateOffset, topDict.privateSize,
&privateDicts[0]);
}
// check for parse errors in the private dict(s)
if (!parsedOk) {
return false;
}
// get the charstrings index
if (topDict.charStringsOffset <= 0) {
parsedOk = false;
return false;
}
getIndex(topDict.charStringsOffset, &charStringsIdx, &parsedOk);
if (!parsedOk) {
return false;
}
nGlyphs = charStringsIdx.len;
// for CID fonts: read the FDSelect table
if (topDict.firstOp == 0x0c1e) {
readFDSelect();
if (!parsedOk) {
return false;
}
}
// read the charset
if (!readCharset()) {
parsedOk = false;
return false;
}
// for 8-bit fonts: build the encoding
if (topDict.firstOp != 0x0c14 && topDict.firstOp != 0x0c1e) {
buildEncoding();
if (!parsedOk) {
return false;
}
}
return parsedOk;
}
void FoFiType1C::readTopDict() {
Type1CIndexVal topDictPtr;
int pos;
topDict.firstOp = -1;
topDict.versionSID = 0;
topDict.noticeSID = 0;
topDict.copyrightSID = 0;
topDict.fullNameSID = 0;
topDict.familyNameSID = 0;
topDict.weightSID = 0;
topDict.isFixedPitch = 0;
topDict.italicAngle = 0;
topDict.underlinePosition = -100;
topDict.underlineThickness = 50;
topDict.paintType = 0;
topDict.charstringType = 2;
topDict.fontMatrix[0] = 0.001;
topDict.fontMatrix[1] = 0;
topDict.fontMatrix[2] = 0;
topDict.fontMatrix[3] = 0.001;
topDict.fontMatrix[4] = 0;
topDict.fontMatrix[5] = 0;
topDict.hasFontMatrix = false;
topDict.uniqueID = 0;
topDict.fontBBox[0] = 0;
topDict.fontBBox[1] = 0;
topDict.fontBBox[2] = 0;
topDict.fontBBox[3] = 0;
topDict.strokeWidth = 0;
topDict.charsetOffset = 0;
topDict.encodingOffset = 0;
topDict.charStringsOffset = 0;
topDict.privateSize = 0;
topDict.privateOffset = 0;
topDict.registrySID = 0;
topDict.orderingSID = 0;
topDict.supplement = 0;
topDict.fdArrayOffset = 0;
topDict.fdSelectOffset = 0;
getIndexVal(&topDictIdx, 0, &topDictPtr, &parsedOk);
if (!parsedOk) {
return;
}
pos = topDictPtr.pos;
nOps = 0;
while (pos < topDictPtr.pos + topDictPtr.len) {
pos = getOp(pos, false, &parsedOk);
if (!parsedOk) {
break;
}
if (!ops[nOps - 1].isNum) {
--nOps; // drop the operator
if (topDict.firstOp < 0) {
topDict.firstOp = ops[nOps].op;
}
switch (ops[nOps].op) {
case 0x0000: topDict.versionSID = (int)ops[0].num; break;
case 0x0001: topDict.noticeSID = (int)ops[0].num; break;
case 0x0c00: topDict.copyrightSID = (int)ops[0].num; break;
case 0x0002: topDict.fullNameSID = (int)ops[0].num; break;
case 0x0003: topDict.familyNameSID = (int)ops[0].num; break;
case 0x0004: topDict.weightSID = (int)ops[0].num; break;
case 0x0c01: topDict.isFixedPitch = (int)ops[0].num; break;
case 0x0c02: topDict.italicAngle = ops[0].num; break;
case 0x0c03: topDict.underlinePosition = ops[0].num; break;
case 0x0c04: topDict.underlineThickness = ops[0].num; break;
case 0x0c05: topDict.paintType = (int)ops[0].num; break;
case 0x0c06: topDict.charstringType = (int)ops[0].num; break;
case 0x0c07: topDict.fontMatrix[0] = ops[0].num;
topDict.fontMatrix[1] = ops[1].num;
topDict.fontMatrix[2] = ops[2].num;
topDict.fontMatrix[3] = ops[3].num;
topDict.fontMatrix[4] = ops[4].num;
topDict.fontMatrix[5] = ops[5].num;
topDict.hasFontMatrix = true; break;
case 0x000d: topDict.uniqueID = (int)ops[0].num; break;
case 0x0005: topDict.fontBBox[0] = ops[0].num;
topDict.fontBBox[1] = ops[1].num;
topDict.fontBBox[2] = ops[2].num;
topDict.fontBBox[3] = ops[3].num; break;
case 0x0c08: topDict.strokeWidth = ops[0].num; break;
case 0x000f: topDict.charsetOffset = (int)ops[0].num; break;
case 0x0010: topDict.encodingOffset = (int)ops[0].num; break;
case 0x0011: topDict.charStringsOffset = (int)ops[0].num; break;
case 0x0012: topDict.privateSize = (int)ops[0].num;
topDict.privateOffset = (int)ops[1].num; break;
case 0x0c1e: topDict.registrySID = (int)ops[0].num;
topDict.orderingSID = (int)ops[1].num;
topDict.supplement = (int)ops[2].num; break;
case 0x0c24: topDict.fdArrayOffset = (int)ops[0].num; break;
case 0x0c25: topDict.fdSelectOffset = (int)ops[0].num; break;
}
nOps = 0;
}
}
}
// Read a CID font dict (FD) - this pulls out the private dict
// pointer, and reads the private dict. It also pulls the FontMatrix
// (if any) out of the FD.
void FoFiType1C::readFD(int offset, int length, Type1CPrivateDict *pDict) {
int pSize, pOffset;
double fontMatrix[6] = {0};
bool hasFontMatrix;
hasFontMatrix = false;
fontMatrix[0] = fontMatrix[1] = fontMatrix[2] = 0; // make gcc happy
fontMatrix[3] = fontMatrix[4] = fontMatrix[5] = 0;
pSize = pOffset = 0;
int posEnd;