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/*
* Copyright (C) 2006, 2007, 2008, 2010 Apple 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.
* Copyright (C) 2010, 2011 Brent Fulgham <bfulgham@webkit.org>
*
* 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.
*
*/
// FIXME: This is temporary until mac switch to using FontPlatformDataHarfBuzz.h and we merge it with this file.
#if !OS(MACOSX)
#include "platform/fonts/harfbuzz/FontPlatformDataHarfBuzz.h"
#else
#ifndef FontPlatformData_h
#define FontPlatformData_h
#include "platform/PlatformExport.h"
#include "platform/fonts/FontOrientation.h"
#include "platform/fonts/FontWidthVariant.h"
#if OS(MACOSX)
OBJC_CLASS NSFont;
typedef struct CGFont* CGFontRef;
typedef const struct __CTFont* CTFontRef;
#include <CoreFoundation/CFBase.h>
#include <objc/objc-auto.h>
#endif
#include "wtf/Forward.h"
#include "wtf/HashTableDeletedValueType.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RetainPtr.h"
#include "wtf/text/StringImpl.h"
#if OS(MACOSX)
#include "platform/fonts/mac/MemoryActivatedFont.h"
#include "third_party/skia/include/core/SkTypeface.h"
#endif
#if OS(MACOSX)
typedef struct CGFont* CGFontRef;
typedef const struct __CTFont* CTFontRef;
typedef UInt32 FMFont;
typedef FMFont ATSUFontID;
typedef UInt32 ATSFontRef;
#endif
namespace WebCore {
class FontDescription;
class SharedBuffer;
#if OS(MACOSX)
class HarfBuzzFace;
#endif
#if OS(MACOSX)
inline CTFontRef toCTFontRef(NSFont *nsFont) { return reinterpret_cast<CTFontRef>(nsFont); }
#endif
class PLATFORM_EXPORT FontPlatformData {
public:
FontPlatformData(WTF::HashTableDeletedValueType);
FontPlatformData();
FontPlatformData(const FontPlatformData&);
FontPlatformData(const FontDescription&, const AtomicString& family);
FontPlatformData(float size, bool syntheticBold, bool syntheticOblique, FontOrientation = Horizontal, FontWidthVariant = RegularWidth);
#if OS(MACOSX)
FontPlatformData(NSFont*, float size, bool syntheticBold = false, bool syntheticOblique = false,
FontOrientation = Horizontal, FontWidthVariant = RegularWidth);
FontPlatformData(CGFontRef, float size, bool syntheticBold, bool syntheticOblique, FontOrientation, FontWidthVariant);
#endif
~FontPlatformData();
#if OS(MACOSX)
NSFont* font() const { return m_font; }
void setFont(NSFont*);
#endif
#if OS(MACOSX)
CGFontRef cgFont() const { return m_cgFont.get(); }
CTFontRef ctFont() const;
SkTypeface* typeface() const;
bool roundsGlyphAdvances() const;
bool allowsLigatures() const;
#endif
String fontFamilyName() const;
bool isFixedPitch() const;
float size() const { return m_size; }
void setSize(float size) { m_size = size; }
bool syntheticBold() const { return m_syntheticBold; }
bool syntheticOblique() const { return m_syntheticOblique; }
bool isColorBitmapFont() const { return m_isColorBitmapFont; }
bool isCompositeFontReference() const { return m_isCompositeFontReference; }
FontOrientation orientation() const { return m_orientation; }
FontWidthVariant widthVariant() const { return m_widthVariant; }
void setOrientation(FontOrientation orientation) { m_orientation = orientation; }
#if OS(MACOSX)
HarfBuzzFace* harfBuzzFace();
#endif
unsigned hash() const
{
#if OS(MACOSX)
ASSERT(m_font || !m_cgFont);
uintptr_t hashCodes[3] = { (uintptr_t)m_font, m_widthVariant, static_cast<uintptr_t>(m_orientation << 2 | m_syntheticBold << 1 | m_syntheticOblique) };
return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
#endif
}
const FontPlatformData& operator=(const FontPlatformData&);
bool operator==(const FontPlatformData& other) const
{
return platformIsEqual(other)
&& m_size == other.m_size
&& m_syntheticBold == other.m_syntheticBold
&& m_syntheticOblique == other.m_syntheticOblique
&& m_isColorBitmapFont == other.m_isColorBitmapFont
&& m_isCompositeFontReference == other.m_isCompositeFontReference
&& m_orientation == other.m_orientation
&& m_widthVariant == other.m_widthVariant;
}
bool isHashTableDeletedValue() const
{
#if OS(MACOSX)
return m_font == hashTableDeletedFontValue();
#endif
}
#ifndef NDEBUG
String description() const;
#endif
private:
bool platformIsEqual(const FontPlatformData&) const;
void platformDataInit(const FontPlatformData&);
const FontPlatformData& platformDataAssign(const FontPlatformData&);
#if OS(MACOSX)
// Load various data about the font specified by |nsFont| with the size fontSize into the following output paramters:
// Note: Callers should always take into account that for the Chromium port, |outNSFont| isn't necessarily the same
// font as |nsFont|. This because the sandbox may block loading of the original font.
// * outNSFont - The font that was actually loaded, for the Chromium port this may be different than nsFont.
// The caller is responsible for calling CFRelease() on this parameter when done with it.
// * cgFont - CGFontRef representing the input font at the specified point size.
void loadFont(NSFont*, float fontSize, NSFont*& outNSFont, CGFontRef&);
static NSFont* hashTableDeletedFontValue() { return reinterpret_cast<NSFont *>(-1); }
#endif
public:
bool m_syntheticBold;
bool m_syntheticOblique;
FontOrientation m_orientation;
float m_size;
FontWidthVariant m_widthVariant;
private:
#if OS(MACOSX)
NSFont* m_font;
#endif
#if OS(MACOSX)
RetainPtr<CGFontRef> m_cgFont;
mutable RetainPtr<CTFontRef> m_CTFont;
RefPtr<MemoryActivatedFont> m_inMemoryFont;
RefPtr<HarfBuzzFace> m_harfBuzzFace;
mutable RefPtr<SkTypeface> m_typeface;
#endif
bool m_isColorBitmapFont;
bool m_isCompositeFontReference;
};
} // namespace WebCore
#endif // FontPlatformData_h
#endif
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