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// GlobalParams.h
// Copyright 2001-2003 Glyph & Cog, LLC
// Modified under the Poppler project -
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
// Copyright (C) 2005, 2007, 2008 Albert Astals Cid <>
// Copyright (C) 2005 Jonathan Blandford <>
// Copyright (C) 2006 Takashi Iwai <>
// Copyright (C) 2006 Kristian Høgsberg <>
// Copyright (C) 2007 Krzysztof Kowalczyk <>
// 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
#pragma interface
#include <assert.h>
#include "poppler-config.h"
#include <stdio.h>
#ifndef _MSC_VER
#include <fontconfig/fontconfig.h>
#include "goo/gtypes.h"
#include "CharTypes.h"
#include "goo/GooMutex.h"
class GooString;
class GooList;
class GooHash;
class NameToCharCode;
class CharCodeToUnicode;
class CharCodeToUnicodeCache;
class UnicodeMap;
class UnicodeMapCache;
class CMap;
class CMapCache;
struct XpdfSecurityHandler;
class GlobalParams;
class GfxFont;
#ifdef WIN32
class WinFontList;
// The global parameters object.
extern GlobalParams *globalParams;
enum DisplayFontParamKind {
struct DisplayFontParamT1 {
GooString *fileName;
struct DisplayFontParamTT {
GooString *fileName;
int faceIndex;
class DisplayFontParam {
GooString *name; // font name for 8-bit fonts and named
// CID fonts; collection name for
// generic CID fonts
DisplayFontParamKind kind;
union {
DisplayFontParamT1 t1;
DisplayFontParamTT tt;
DisplayFontParam(GooString *nameA, DisplayFontParamKind kindA);
void setFileName(GooString *fileNameA) {
if (displayFontT1 == kind)
t1.fileName = fileNameA;
else {
assert(displayFontTT == kind);
tt.fileName = fileNameA;
virtual ~DisplayFontParam();
class PSFontParam {
GooString *pdfFontName; // PDF font name for 8-bit fonts and
// named 16-bit fonts; char collection
// name for generic 16-bit fonts
int wMode; // writing mode (0=horiz, 1=vert) for
// 16-bit fonts
GooString *psFontName; // PostScript font name
GooString *encoding; // encoding, for 16-bit fonts only
PSFontParam(GooString *pdfFontNameA, int wModeA,
GooString *psFontNameA, GooString *encodingA);
enum PSLevel {
enum EndOfLineKind {
eolUnix, // LF
eolDOS, // CR+LF
eolMac // CR
enum ScreenType {
class GlobalParams {
// Initialize the global parameters by attempting to read a config
// file.
void setBaseDir(char *dir);
#ifdef _MSC_VER
void setupBaseFonts(char *dir);
//----- accessors
CharCode getMacRomanCharCode(char *charName);
GooString *getBaseDir();
Unicode mapNameToUnicode(char *charName);
UnicodeMap *getResidentUnicodeMap(GooString *encodingName);
FILE *getUnicodeMapFile(GooString *encodingName);
FILE *findCMapFile(GooString *collection, GooString *cMapName);
FILE *findToUnicodeFile(GooString *name);
DisplayFontParam *getDisplayFont(GfxFont *font);
GBool getPSExpandSmaller();
GBool getPSShrinkLarger();
GBool getPSCenter();
PSLevel getPSLevel();
PSFontParam *getPSFont(GooString *fontName);
PSFontParam *getPSFont16(GooString *fontName, GooString *collection, int wMode);
GBool getPSEmbedType1();
GBool getPSEmbedTrueType();
GBool getPSEmbedCIDPostScript();
GBool getPSEmbedCIDTrueType();
GBool getPSPreload();
GBool getPSOPI();
GBool getPSASCIIHex();
GooString *getTextEncodingName();
EndOfLineKind getTextEOL();
GBool getTextPageBreaks();
GBool getTextKeepTinyChars();
GooString *findFontFile(GooString *fontName, char **exts);
GBool getEnableFreeType();
GBool getAntialias();
GBool getVectorAntialias();
GBool getStrokeAdjust();
ScreenType getScreenType();
int getScreenSize();
int getScreenDotRadius();
double getScreenGamma();
double getScreenBlackThreshold();
double getScreenWhiteThreshold();
GBool getMapNumericCharNames();
GBool getMapUnknownCharNames();
GBool getPrintCommands();
GBool getProfileCommands();
GBool getErrQuiet();
CharCodeToUnicode *getCIDToUnicode(GooString *collection);
CharCodeToUnicode *getUnicodeToUnicode(GooString *fontName);
UnicodeMap *getUnicodeMap(GooString *encodingName);
CMap *getCMap(GooString *collection, GooString *cMapName);
UnicodeMap *getTextEncoding();
GBool loadPlugin(char *type, char *name);
GooList *getEncodingNames();
//----- functions to set parameters
void setPSExpandSmaller(GBool expand);
void setPSShrinkLarger(GBool shrink);
void setPSCenter(GBool center);
void setPSLevel(PSLevel level);
void setPSEmbedType1(GBool embed);
void setPSEmbedTrueType(GBool embed);
void setPSEmbedCIDPostScript(GBool embed);
void setPSEmbedCIDTrueType(GBool embed);
void setPSPreload(GBool preload);
void setPSOPI(GBool opi);
void setPSASCIIHex(GBool hex);
void setTextEncoding(char *encodingName);
GBool setTextEOL(char *s);
void setTextPageBreaks(GBool pageBreaks);
void setTextKeepTinyChars(GBool keep);
GBool setEnableFreeType(char *s);
GBool setAntialias(char *s);
GBool setVectorAntialias(char *s);
void setStrokeAdjust(GBool strokeAdjust);
void setScreenType(ScreenType st);
void setScreenSize(int size);
void setScreenDotRadius(int radius);
void setScreenGamma(double gamma);
void setScreenBlackThreshold(double blackThreshold);
void setScreenWhiteThreshold(double whiteThreshold);
void setMapNumericCharNames(GBool map);
void setMapUnknownCharNames(GBool map);
void setPrintCommands(GBool printCommandsA);
void setProfileCommands(GBool profileCommandsA);
void setErrQuiet(GBool errQuietA);
//----- security handlers
void addSecurityHandler(XpdfSecurityHandler *handler);
XpdfSecurityHandler *getSecurityHandler(char *name);
void parseNameToUnicode(GooString *name);
GBool parseYesNo2(char *token, GBool *flag);
UnicodeMap *getUnicodeMap2(GooString *encodingName);
void scanEncodingDirs();
void addCIDToUnicode(GooString *collection, GooString *fileName);
void addUnicodeMap(GooString *encodingName, GooString *fileName);
void addCMapDir(GooString *collection, GooString *dir);
//----- static tables
NameToCharCode * // mapping from char name to
macRomanReverseMap; // MacRomanEncoding index
//----- user-modifiable settings
GooString *baseDir; // base directory - for plugins, etc.
NameToCharCode * // mapping from char name to Unicode
GooHash *cidToUnicodes; // files for mappings from char collections
// to Unicode, indexed by collection name
// [GooString]
GooHash *unicodeToUnicodes; // files for Unicode-to-Unicode mappings,
// indexed by font name pattern [GooString]
GooHash *residentUnicodeMaps; // mappings from Unicode to char codes,
// indexed by encoding name [UnicodeMap]
GooHash *unicodeMaps; // files for mappings from Unicode to char
// codes, indexed by encoding name [GooString]
GooHash *cMapDirs; // list of CMap dirs, indexed by collection
// name [GooList[GooString]]
GooList *toUnicodeDirs; // list of ToUnicode CMap dirs [GooString]
GooHash *displayFonts; // display font info, indexed by font name
// [DisplayFontParam]
#ifdef WIN32
WinFontList *winFontList; // system TrueType fonts
GBool psExpandSmaller; // expand smaller pages to fill paper
GBool psShrinkLarger; // shrink larger pages to fit paper
GBool psCenter; // center pages on the paper
PSLevel psLevel; // PostScript level to generate
GooHash *psFonts; // PostScript font info, indexed by PDF
// font name [PSFontParam]
GooList *psNamedFonts16; // named 16-bit fonts [PSFontParam]
GooList *psFonts16; // generic 16-bit fonts [PSFontParam]
GBool psEmbedType1; // embed Type 1 fonts?
GBool psEmbedTrueType; // embed TrueType fonts?
GBool psEmbedCIDPostScript; // embed CID PostScript fonts?
GBool psEmbedCIDTrueType; // embed CID TrueType fonts?
GBool psPreload; // preload PostScript images and forms into
// memory
GBool psOPI; // generate PostScript OPI comments?
GBool psASCIIHex; // use ASCIIHex instead of ASCII85?
GooString *textEncoding; // encoding (unicodeMap) to use for text
// output
EndOfLineKind textEOL; // type of EOL marker to use for text
// output
GBool textPageBreaks; // insert end-of-page markers?
GBool textKeepTinyChars; // keep all characters in text output
GooList *fontDirs; // list of font dirs [GooString]
GBool enableFreeType; // FreeType enable flag
GBool antialias; // anti-aliasing enable flag
GBool vectorAntialias; // vector anti-aliasing enable flag
GBool strokeAdjust; // stroke adjustment enable flag
ScreenType screenType; // halftone screen type
int screenSize; // screen matrix size
int screenDotRadius; // screen dot radius
double screenGamma; // screen gamma correction
double screenBlackThreshold; // screen black clamping threshold
double screenWhiteThreshold; // screen white clamping threshold
GBool mapNumericCharNames; // map numeric char names (from font subsets)?
GBool mapUnknownCharNames; // map unknown char names?
GBool printCommands; // print the drawing commands
GBool profileCommands; // profile the drawing commands
GBool errQuiet; // suppress error messages?
CharCodeToUnicodeCache *cidToUnicodeCache;
CharCodeToUnicodeCache *unicodeToUnicodeCache;
UnicodeMapCache *unicodeMapCache;
CMapCache *cMapCache;
#ifndef _MSC_VER
FcConfig *FCcfg;
GList *plugins; // list of plugins [Plugin]
GList *securityHandlers; // list of loaded security handlers
// [XpdfSecurityHandler]
GooMutex mutex;
GooMutex unicodeMapCacheMutex;
GooMutex cMapCacheMutex;