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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, 2018 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com>
// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2018 Oliver Sander <oliver.sander@tu-dresden.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
#include <array>
#include "SplashTypes.h"
class SplashT1FontEngine;
class SplashFTFontEngine;
class SplashDTFontEngine;
class SplashDT4FontEngine;
class SplashFontFile;
class SplashFontFileID;
class SplashFont;
class SplashFontSrc;
//------------------------------------------------------------------------
// SplashFontEngine
//------------------------------------------------------------------------
class SplashFontEngine {
public:
// Create a font engine.
SplashFontEngine(
bool enableFreeType,
bool enableFreeTypeHinting,
bool enableSlightHinting,
bool aa);
~SplashFontEngine();
SplashFontEngine(const SplashFontEngine &) = delete;
SplashFontEngine& operator=(const SplashFontEngine &) = delete;
// 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,
const SplashCoord *textMat, const SplashCoord *ctm);
bool getAA();
void setAA(bool aa);
private:
std::array<SplashFont*,16> fontCache;
SplashFTFontEngine *ftEngine;
};
#endif