Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/SimpleFontData.h

Index: Source/core/platform/graphics/SimpleFontData.h
diff --git a/Source/core/platform/graphics/SimpleFontData.h b/Source/core/platform/graphics/SimpleFontData.h
deleted file mode 100644
index c001860f275fc55eed13c2e03866aae0ee288230..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/SimpleFontData.h
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * This file is part of the internal font implementation.
- *
- * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2007-2008 Torch Mobile, Inc.
- *
- * 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 SimpleFontData_h
-#define SimpleFontData_h
-
-#include "core/platform/graphics/CustomFontData.h"
-#include "core/platform/graphics/FontPlatformData.h"
-#include "core/platform/graphics/GlyphPageTreeNode.h"
-#include "platform/fonts/FontBaseline.h"
-#include "platform/fonts/FontData.h"
-#include "platform/fonts/FontMetrics.h"
-#include "platform/fonts/GlyphBuffer.h"
-#include "platform/fonts/GlyphMetricsMap.h"
-#if ENABLE(OPENTYPE_VERTICAL)
-#include "core/platform/graphics/opentype/OpenTypeVerticalData.h"
-#endif
-#include "platform/fonts/TypesettingFeatures.h"
-#include "platform/geometry/FloatRect.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/text/StringHash.h"
-#include "wtf/UnusedParam.h"
-
-#if OS(MACOSX)
-#include "wtf/RetainPtr.h"
-#endif
-
-namespace WebCore {
-
-class CSSFontFaceSource;
-class FontDescription;
-class SharedBuffer;
-struct WidthIterator;
-
-enum FontDataVariant { AutoVariant, NormalVariant, SmallCapsVariant, EmphasisMarkVariant, BrokenIdeographVariant };
-enum Pitch { UnknownPitch, FixedPitch, VariablePitch };
-
-class SimpleFontData : public FontData {
-public:
-    // Used to create platform fonts.
-    static PassRefPtr<SimpleFontData> create(const FontPlatformData& platformData, PassRefPtr<CustomFontData> customData = 0, bool isTextOrientationFallback = false)
-    {
-        return adoptRef(new SimpleFontData(platformData, customData, isTextOrientationFallback));
-    }
-
-    // Used to create SVG Fonts.
-    static PassRefPtr<SimpleFontData> create(PassRefPtr<CustomFontData> customData, float fontSize, bool syntheticBold, bool syntheticItalic)
-    {
-        return adoptRef(new SimpleFontData(customData, fontSize, syntheticBold, syntheticItalic));
-    }
-
-    virtual ~SimpleFontData();
-
-    static const SimpleFontData* systemFallback() { return reinterpret_cast<const SimpleFontData*>(-1); }
-
-    const FontPlatformData& platformData() const { return m_platformData; }
-#if ENABLE(OPENTYPE_VERTICAL)
-    const OpenTypeVerticalData* verticalData() const { return m_verticalData.get(); }
-#endif
-
-    PassRefPtr<SimpleFontData> smallCapsFontData(const FontDescription&) const;
-    PassRefPtr<SimpleFontData> emphasisMarkFontData(const FontDescription&) const;
-    PassRefPtr<SimpleFontData> brokenIdeographFontData() const;
-
-    PassRefPtr<SimpleFontData> variantFontData(const FontDescription& description, FontDataVariant variant) const
-    {
-        switch (variant) {
-        case SmallCapsVariant:
-            return smallCapsFontData(description);
-        case EmphasisMarkVariant:
-            return emphasisMarkFontData(description);
-        case BrokenIdeographVariant:
-            return brokenIdeographFontData();
-        case AutoVariant:
-        case NormalVariant:
-            break;
-        }
-        ASSERT_NOT_REACHED();
-        return const_cast<SimpleFontData*>(this);
-    }
-
-    PassRefPtr<SimpleFontData> verticalRightOrientationFontData() const;
-    PassRefPtr<SimpleFontData> uprightOrientationFontData() const;
-
-    bool hasVerticalGlyphs() const { return m_hasVerticalGlyphs; }
-    bool isTextOrientationFallback() const { return m_isTextOrientationFallback; }
-
-    FontMetrics& fontMetrics() { return m_fontMetrics; }
-    const FontMetrics& fontMetrics() const { return m_fontMetrics; }
-    float sizePerUnit() const { return platformData().size() / (fontMetrics().unitsPerEm() ? fontMetrics().unitsPerEm() : 1); }
-
-    float maxCharWidth() const { return m_maxCharWidth; }
-    void setMaxCharWidth(float maxCharWidth) { m_maxCharWidth = maxCharWidth; }
-
-    float avgCharWidth() const { return m_avgCharWidth; }
-    void setAvgCharWidth(float avgCharWidth) { m_avgCharWidth = avgCharWidth; }
-
-    FloatRect boundsForGlyph(Glyph) const;
-    float widthForGlyph(Glyph glyph) const;
-    FloatRect platformBoundsForGlyph(Glyph) const;
-    float platformWidthForGlyph(Glyph) const;
-
-    float spaceWidth() const { return m_spaceWidth; }
-    float adjustedSpaceWidth() const { return m_adjustedSpaceWidth; }
-    void setSpaceWidth(float spaceWidth) { m_spaceWidth = spaceWidth; }
-
-#if OS(MACOSX)
-    float syntheticBoldOffset() const { return m_syntheticBoldOffset; }
-#endif
-
-    Glyph spaceGlyph() const { return m_spaceGlyph; }
-    void setSpaceGlyph(Glyph spaceGlyph) { m_spaceGlyph = spaceGlyph; }
-    Glyph zeroWidthSpaceGlyph() const { return m_zeroWidthSpaceGlyph; }
-    void setZeroWidthSpaceGlyph(Glyph spaceGlyph) { m_zeroWidthSpaceGlyph = spaceGlyph; }
-    bool isZeroWidthSpaceGlyph(Glyph glyph) const { return glyph == m_zeroWidthSpaceGlyph && glyph; }
-    Glyph zeroGlyph() const { return m_zeroGlyph; }
-    void setZeroGlyph(Glyph zeroGlyph) { m_zeroGlyph = zeroGlyph; }
-
-    virtual const SimpleFontData* fontDataForCharacter(UChar32) const OVERRIDE;
-    virtual bool containsCharacters(const UChar*, int length) const OVERRIDE;
-
-    Glyph glyphForCharacter(UChar32) const;
-
-    void determinePitch();
-    Pitch pitch() const { return m_treatAsFixedPitch ? FixedPitch : VariablePitch; }
-
-    bool isSVGFont() const { return m_customFontData && m_customFontData->isSVGFont(); }
-    virtual bool isCustomFont() const OVERRIDE { return m_customFontData; }
-    virtual bool isLoading() const OVERRIDE { return m_customFontData ? m_customFontData->isLoading() : false; }
-    virtual bool isLoadingFallback() const OVERRIDE { return m_customFontData ? m_customFontData->isLoadingFallback() : false; }
-    virtual bool isSegmented() const OVERRIDE;
-
-    const GlyphData& missingGlyphData() const { return m_missingGlyphData; }
-    void setMissingGlyphData(const GlyphData& glyphData) { m_missingGlyphData = glyphData; }
-
-#ifndef NDEBUG
-    virtual String description() const;
-#endif
-
-#if OS(MACOSX)
-    const SimpleFontData* getCompositeFontReferenceFontData(NSFont *key) const;
-    NSFont* getNSFont() const { return m_platformData.font(); }
-#endif
-
-#if OS(MACOSX)
-    CFDictionaryRef getCFStringAttributes(TypesettingFeatures, FontOrientation) const;
-#endif
-
-#if OS(MACOSX) || USE(HARFBUZZ)
-    bool canRenderCombiningCharacterSequence(const UChar*, size_t) const;
-#endif
-
-    bool applyTransforms(GlyphBufferGlyph* glyphs, GlyphBufferAdvance* advances, size_t glyphCount, TypesettingFeatures typesettingFeatures) const
-    {
-        UNUSED_PARAM(glyphs);
-        UNUSED_PARAM(advances);
-        UNUSED_PARAM(glyphCount);
-        UNUSED_PARAM(typesettingFeatures);
-        return false;
-    }
-
-    PassRefPtr<CustomFontData> customFontData() const { return m_customFontData; }
-
-private:
-    SimpleFontData(const FontPlatformData&, PassRefPtr<CustomFontData> customData, bool isTextOrientationFallback = false);
-
-    SimpleFontData(PassRefPtr<CustomFontData> customData, float fontSize, bool syntheticBold, bool syntheticItalic);
-
-    void platformInit();
-    void platformGlyphInit();
-    void platformCharWidthInit();
-    void platformDestroy();
-
-    void initCharWidths();
-
-    PassRefPtr<SimpleFontData> createScaledFontData(const FontDescription&, float scaleFactor) const;
-    PassRefPtr<SimpleFontData> platformCreateScaledFontData(const FontDescription&, float scaleFactor) const;
-
-    FontMetrics m_fontMetrics;
-    float m_maxCharWidth;
-    float m_avgCharWidth;
-
-    FontPlatformData m_platformData;
-
-    mutable OwnPtr<GlyphMetricsMap<FloatRect> > m_glyphToBoundsMap;
-    mutable GlyphMetricsMap<float> m_glyphToWidthMap;
-
-    bool m_treatAsFixedPitch;
-
-    bool m_isTextOrientationFallback;
-    bool m_isBrokenIdeographFallback;
-#if ENABLE(OPENTYPE_VERTICAL)
-    RefPtr<OpenTypeVerticalData> m_verticalData;
-#endif
-    bool m_hasVerticalGlyphs;
-
-    Glyph m_spaceGlyph;
-    float m_spaceWidth;
-    Glyph m_zeroGlyph;
-    float m_adjustedSpaceWidth;
-
-    Glyph m_zeroWidthSpaceGlyph;
-
-    GlyphData m_missingGlyphData;
-
-    struct DerivedFontData {
-        static PassOwnPtr<DerivedFontData> create(bool forCustomFont);
-        ~DerivedFontData();
-
-        bool forCustomFont;
-        RefPtr<SimpleFontData> smallCaps;
-        RefPtr<SimpleFontData> emphasisMark;
-        RefPtr<SimpleFontData> brokenIdeograph;
-        RefPtr<SimpleFontData> verticalRightOrientation;
-        RefPtr<SimpleFontData> uprightOrientation;
-#if OS(MACOSX)
-        mutable RetainPtr<CFMutableDictionaryRef> compositeFontReferences;
-#endif
-
-    private:
-        DerivedFontData(bool custom)
-            : forCustomFont(custom)
-        {
-        }
-    };
-
-    mutable OwnPtr<DerivedFontData> m_derivedFontData;
-
-    RefPtr<CustomFontData> m_customFontData;
-
-#if OS(MACOSX)
-    float m_syntheticBoldOffset;
-
-    mutable HashMap<unsigned, RetainPtr<CFDictionaryRef> > m_CFStringAttributes;
-#endif
-
-#if OS(MACOSX) || USE(HARFBUZZ)
-    mutable OwnPtr<HashMap<String, bool> > m_combiningCharacterSequenceSupport;
-#endif
-};
-
-ALWAYS_INLINE FloatRect SimpleFontData::boundsForGlyph(Glyph glyph) const
-{
-    if (isZeroWidthSpaceGlyph(glyph))
-        return FloatRect();
-
-    FloatRect bounds;
-    if (m_glyphToBoundsMap) {
-        bounds = m_glyphToBoundsMap->metricsForGlyph(glyph);
-        if (bounds.width() != cGlyphSizeUnknown)
-            return bounds;
-    }
-
-    bounds = platformBoundsForGlyph(glyph);
-    if (!m_glyphToBoundsMap)
-        m_glyphToBoundsMap = adoptPtr(new GlyphMetricsMap<FloatRect>);
-    m_glyphToBoundsMap->setMetricsForGlyph(glyph, bounds);
-    return bounds;
-}
-
-ALWAYS_INLINE float SimpleFontData::widthForGlyph(Glyph glyph) const
-{
-    if (isZeroWidthSpaceGlyph(glyph))
-        return 0;
-
-    float width = m_glyphToWidthMap.metricsForGlyph(glyph);
-    if (width != cGlyphSizeUnknown)
-        return width;
-
-    if (isSVGFont())
-        width = m_customFontData->widthForSVGGlyph(glyph, m_platformData.size());
-#if ENABLE(OPENTYPE_VERTICAL)
-    else if (m_verticalData)
-#if OS(MACOSX)
-        width = m_verticalData->advanceHeight(this, glyph) + m_syntheticBoldOffset;
-#else
-        width = m_verticalData->advanceHeight(this, glyph);
-#endif
-#endif
-    else
-        width = platformWidthForGlyph(glyph);
-
-    m_glyphToWidthMap.setMetricsForGlyph(glyph, width);
-    return width;
-}
-
-} // namespace WebCore
-#endif // SimpleFontData_h