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/*
* This file is part of the internal font implementation. It should not be included by anyone other than
* FontMac.cpp, FontWin.cpp and Font.cpp.
*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2007 Holger Hans Peter Freyther
* Copyright (C) 2007 Pioneer Research Center USA, Inc.
* All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef FontPlatformData_h
#define FontPlatformData_h
#include "GlyphBuffer.h"
#include "FontDescription.h"
#include <cairo.h>
#if defined(USE_FREETYPE)
#include <cairo-ft.h>
#include <fontconfig/fcfreetype.h>
#elif defined(USE_PANGO)
#include <pango/pangocairo.h>
#else
#error "Must defined a font backend"
#endif
namespace WebCore {
class String;
class FontPlatformData {
public:
FontPlatformData(WTF::HashTableDeletedValueType)
#if defined(USE_FREETYPE)
: m_pattern(hashTableDeletedFontValue())
, m_fallbacks(0)
#elif defined(USE_PANGO)
: m_context(0)
, m_font(hashTableDeletedFontValue())
#else
#error "Must defined a font backend"
#endif
, m_scaledFont(0)
{ }
FontPlatformData()
#if defined(USE_FREETYPE)
: m_pattern(0)
, m_fallbacks(0)
#elif defined(USE_PANGO)
: m_context(0)
, m_font(0)
#else
#error "Must defined a font backend"
#endif
, m_scaledFont(0)
{ }
FontPlatformData(const FontDescription&, const AtomicString& family);
FontPlatformData(float size, bool bold, bool italic);
FontPlatformData(cairo_font_face_t* fontFace, int size, bool bold, bool italic);
FontPlatformData(const FontPlatformData&);
~FontPlatformData();
static bool init();
bool isFixedPitch();
float size() const { return m_size; }
bool syntheticBold() const { return m_syntheticBold; }
bool syntheticOblique() const { return m_syntheticOblique; }
cairo_scaled_font_t* scaledFont() const { return m_scaledFont; }
unsigned hash() const
{
#if defined(USE_FREETYPE)
if (m_pattern)
return FcPatternHash(m_pattern);
#endif
uintptr_t hashCodes[1] = { reinterpret_cast<uintptr_t>(m_scaledFont) };
return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));
}
bool operator==(const FontPlatformData&) const;
FontPlatformData& operator=(const FontPlatformData&);
bool isHashTableDeletedValue() const {
#if defined(USE_FREETYPE)
return m_pattern == hashTableDeletedFontValue();
#elif defined(USE_PANGO)
return m_font == hashTableDeletedFontValue();
#endif
};
#ifndef NDEBUG
String description() const;
#endif
#if defined(USE_FREETYPE)
FcPattern* m_pattern;
FcFontSet* m_fallbacks;
#elif defined(USE_PANGO)
static PangoFontMap* m_fontMap;
static GHashTable* m_hashTable;
PangoContext* m_context;
PangoFont* m_font;
#else
#error "Must defined a font backend"
#endif
float m_size;
bool m_syntheticBold;
bool m_syntheticOblique;
cairo_scaled_font_t* m_scaledFont;
private:
#if defined(USE_FREETYPE)
static FcPattern *hashTableDeletedFontValue() { return reinterpret_cast<FcPattern*>(-1); }
#elif defined(USE_PANGO)
static PangoFont *hashTableDeletedFontValue() { return reinterpret_cast<PangoFont*>(-1); }
#endif
};
}
#endif
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