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//========================================================================
//
// SplashFontEngine.h
//
//========================================================================
//========================================================================
//
// 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 Takashi Iwai <tiwai@suse.de>
// Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com>
// Copyright (C) 2009, 2011 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com>
// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
//
// 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
//
//========================================================================
#ifndef SPLASHFONTENGINE_H
#define SPLASHFONTENGINE_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "goo/gtypes.h"
#include "SplashTypes.h"
class SplashT1FontEngine;
class SplashFTFontEngine;
class SplashDTFontEngine;
class SplashDT4FontEngine;
class SplashFontFile;
class SplashFontFileID;
class SplashFont;
class SplashFontSrc;
//------------------------------------------------------------------------
#define splashFontCacheSize 16
//------------------------------------------------------------------------
// SplashFontEngine
//------------------------------------------------------------------------
class SplashFontEngine {
public:
// Create a font engine.
SplashFontEngine(
#if HAVE_T1LIB_H
GBool enableT1lib,
#endif
#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
GBool enableFreeType,
GBool enableFreeTypeHinting,
GBool enableSlightHinting,
#endif
GBool aa);
~SplashFontEngine();
// Get a font file from the cache. Returns NULL if there is no
// matching entry in the cache.
SplashFontFile *getFontFile(SplashFontFileID *id);
// Load fonts - these create new SplashFontFile objects.
SplashFontFile *loadType1Font(SplashFontFileID *idA, SplashFontSrc *src, const char **enc);
SplashFontFile *loadType1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc);
SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc);
SplashFontFile *loadCIDFont(SplashFontFileID *idA, SplashFontSrc *src);
SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, SplashFontSrc *src,
int *codeToGID, int codeToGIDLen);
SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, SplashFontSrc *src,
int *codeToGID, int codeToGIDLen, int faceIndex = 0);
// Get a font - this does a cache lookup first, and if not found,
// creates a new SplashFont object and adds it to the cache. The
// matrix, mat = textMat * ctm:
// [ mat[0] mat[1] ]
// [ mat[2] mat[3] ]
// specifies the font transform in PostScript style:
// [x' y'] = [x y] * mat
// Note that the Splash y axis points downward.
SplashFont *getFont(SplashFontFile *fontFile,
SplashCoord *textMat, SplashCoord *ctm);
#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
GBool getAA();
void setAA(GBool aa);
#endif
private:
SplashFont *fontCache[splashFontCacheSize];
#if HAVE_T1LIB_H
SplashT1FontEngine *t1Engine;
#endif
#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
SplashFTFontEngine *ftEngine;
#endif
};
#endif
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