/usr/include/poppler/CairoFontEngine.h is in libpoppler-dev 0.18.4-1ubuntu3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// CairoFontEngine.h
//
// Copyright 2003 Glyph & Cog, LLC
// Copyright 2004 Red Hat, Inc
//
//========================================================================
//========================================================================
//
// 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) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
// Copyright (C) 2005 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2006, 2007 Jeff Muizelaar <jeff@infidigm.net>
// Copyright (C) 2006, 2010 Carlos Garcia Campos <carlosgc@gnome.org>
// Copyright (C) 2008 Adrian Johnson <ajohnson@redneon.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
//
//========================================================================
#ifndef CAIROFONTENGINE_H
#define CAIROFONTENGINE_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "goo/gtypes.h"
#include <cairo-ft.h>
#include "GfxFont.h"
#include "Catalog.h"
class CairoFontEngine;
class CairoFont {
public:
CairoFont(Ref ref,
cairo_font_face_t *face,
Gushort *codeToGID,
Guint codeToGIDLen,
GBool substitute,
GBool printing);
virtual ~CairoFont();
virtual GBool matches(Ref &other, GBool printing);
cairo_font_face_t *getFontFace(void);
unsigned long getGlyph(CharCode code, Unicode *u, int uLen);
double getSubstitutionCorrection(GfxFont *gfxFont);
GBool isSubstitute() { return substitute; }
protected:
Ref ref;
cairo_font_face_t *cairo_font_face;
Gushort *codeToGID;
Guint codeToGIDLen;
GBool substitute;
GBool printing;
};
//------------------------------------------------------------------------
class CairoFreeTypeFont : public CairoFont {
public:
static CairoFreeTypeFont *create(GfxFont *gfxFont, XRef *xref, FT_Library lib, GBool useCIDs);
virtual ~CairoFreeTypeFont();
private:
CairoFreeTypeFont(Ref ref, cairo_font_face_t *cairo_font_face,
Gushort *codeToGID, Guint codeToGIDLen, GBool substitute);
};
//------------------------------------------------------------------------
class CairoType3Font : public CairoFont {
public:
static CairoType3Font *create(GfxFont *gfxFont, XRef *xref,
Catalog *catalog, CairoFontEngine *fontEngine,
GBool printing);
virtual ~CairoType3Font();
virtual GBool matches(Ref &other, GBool printing);
private:
CairoType3Font(Ref ref, XRef *xref, Catalog *catalog,
cairo_font_face_t *cairo_font_face,
Gushort *codeToGID, Guint codeToGIDLen,
GBool printing);
XRef *xref;
Catalog *catalog;
};
//------------------------------------------------------------------------
#define cairoFontCacheSize 64
//------------------------------------------------------------------------
// CairoFontEngine
//------------------------------------------------------------------------
class CairoFontEngine {
public:
// Create a font engine.
CairoFontEngine(FT_Library libA);
~CairoFontEngine();
CairoFont *getFont(GfxFont *gfxFont, XRef *xref, Catalog *catalog, GBool printing);
private:
CairoFont *fontCache[cairoFontCacheSize];
FT_Library lib;
GBool useCIDs;
};
#endif
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