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/*
* Copyright 2009, The Android Open Source Project
* Copyright (C) 2006 Apple Computer, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// 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.
#ifndef FontPlatformData_h
#define FontPlatformData_h
#include "FontOrientation.h"
#include "TextOrientation.h"
#include <wtf/text/StringImpl.h>
#ifndef NDEBUG
#include "PlatformString.h"
#endif
class SkPaint;
class SkTypeface;
struct HB_FaceRec_;
namespace WebCore {
class FontPlatformData {
public:
static FontPlatformData Deleted() {
return FontPlatformData(NULL, -1, false, false);
}
FontPlatformData();
FontPlatformData(const FontPlatformData&);
FontPlatformData(SkTypeface*, float textSize, bool fakeBold, bool fakeItalic,
FontOrientation = Horizontal, TextOrientation = TextOrientationVerticalRight);
FontPlatformData(const FontPlatformData& src, float textSize);
FontPlatformData(float size, bool syntheticBold, bool syntheticOblique);
FontPlatformData(const FontPlatformData& src, SkTypeface* typeface);
~FontPlatformData();
FontPlatformData(WTF::HashTableDeletedValueType)
: mTypeface(hashTableDeletedFontValue()) { }
bool isHashTableDeletedValue() const {
return mTypeface == hashTableDeletedFontValue();
}
FontOrientation orientation() const { return mOrientation; }
void setOrientation(FontOrientation orientation) { mOrientation = orientation; }
FontPlatformData& operator=(const FontPlatformData&);
bool operator==(const FontPlatformData& a) const;
void setupPaint(SkPaint*) const;
// -------------------------------------------------------------------------
// Return Skia's unique id for this font. This encodes both the style and
// the font's file name so refers to a single face.
// -------------------------------------------------------------------------
uint32_t uniqueID() const;
float size() const { return mTextSize; }
unsigned hash() const;
int emSizeInFontUnits() const;
bool isFixedPitch() const;
#ifndef NDEBUG
String description() const { return ""; }
#endif
HB_FaceRec_* harfbuzzFace() const;
SkTypeface* typeface() const { return mTypeface; }
bool isFakeBold() const { return mFakeBold; }
bool isFakeItalic() const { return mFakeItalic; }
private:
class RefCountedHarfbuzzFace : public RefCounted<RefCountedHarfbuzzFace> {
public:
static PassRefPtr<RefCountedHarfbuzzFace> create(HB_FaceRec_* harfbuzzFace)
{
return adoptRef(new RefCountedHarfbuzzFace(harfbuzzFace));
}
~RefCountedHarfbuzzFace();
HB_FaceRec_* face() const { return m_harfbuzzFace; }
private:
RefCountedHarfbuzzFace(HB_FaceRec_* harfbuzzFace) : m_harfbuzzFace(harfbuzzFace)
{
}
HB_FaceRec_* m_harfbuzzFace;
};
SkTypeface* mTypeface;
float mTextSize;
mutable int mEmSizeInFontUnits;
bool mFakeBold;
bool mFakeItalic;
FontOrientation mOrientation;
TextOrientation mTextOrientation;
mutable RefPtr<RefCountedHarfbuzzFace> m_harfbuzzFace;
static SkTypeface* hashTableDeletedFontValue() {
return reinterpret_cast<SkTypeface*>(-1);
}
};
} /* namespace */
#endif
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