Index: third_party/WebKit/Source/platform/fonts/GlyphPage.h |
diff --git a/third_party/WebKit/Source/platform/fonts/GlyphPage.h b/third_party/WebKit/Source/platform/fonts/GlyphPage.h |
deleted file mode 100644 |
index 8ab68e940376fe9de33f47b86c18d47a1cd2861b..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/Source/platform/fonts/GlyphPage.h |
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-/* |
- * Copyright (C) 2006, 2007, 2008, 2013 Apple Inc. All rights reserved. |
- * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. 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. |
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
- * its contributors may be used to endorse or promote products derived |
- * from this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS 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. |
- */ |
- |
-#ifndef GlyphPage_h |
-#define GlyphPage_h |
- |
-#include "platform/PlatformExport.h" |
-#include "platform/fonts/CustomFontData.h" |
-#include "platform/fonts/Glyph.h" |
-#include "wtf/Allocator.h" |
-#include "wtf/PassRefPtr.h" |
-#include "wtf/RefCounted.h" |
-#include "wtf/RefPtr.h" |
-#include "wtf/allocator/Partitions.h" |
-#include "wtf/text/Unicode.h" |
-#include <string.h> |
- |
-namespace blink { |
- |
-class SimpleFontData; |
-class GlyphPageTreeNodeBase; |
- |
-// Holds the glyph index and the corresponding SimpleFontData information for a |
-// given character. |
-struct GlyphData { |
- DISALLOW_NEW(); |
- GlyphData(Glyph g = 0, const SimpleFontData* f = 0) : glyph(g), fontData(f) {} |
- Glyph glyph; |
- const SimpleFontData* fontData; |
-}; |
- |
-#if COMPILER(MSVC) |
-#pragma warning(push) |
-#pragma warning( \ |
- disable : 4200) // Disable "zero-sized array in struct/union" warning |
-#endif |
- |
-// A GlyphPage contains a fixed-size set of GlyphData mappings for a contiguous |
-// range of characters in the Unicode code space. GlyphPages are indexed |
-// starting from 0 and incrementing for each 256 glyphs. |
-// |
-// One page may actually include glyphs from other fonts if the characters are |
-// missing in the primary font. It is owned by exactly one GlyphPageTreeNode, |
-// although multiple nodes may reference it as their "page" if they are supposed |
-// to be overriding the parent's node, but provide no additional information. |
-class PLATFORM_EXPORT GlyphPage : public RefCounted<GlyphPage> { |
- public: |
- static PassRefPtr<GlyphPage> createForMixedFontData( |
- GlyphPageTreeNodeBase* owner) { |
- void* slot = WTF::Partitions::fastMalloc( |
- sizeof(GlyphPage) + sizeof(SimpleFontData*) * GlyphPage::size, |
- WTF_HEAP_PROFILER_TYPE_NAME(GlyphPage)); |
- return adoptRef(new (slot) GlyphPage(owner)); |
- } |
- |
- static PassRefPtr<GlyphPage> createForSingleFontData( |
- GlyphPageTreeNodeBase* owner, |
- const SimpleFontData* fontData) { |
- ASSERT(fontData); |
- return adoptRef(new GlyphPage(owner, fontData)); |
- } |
- |
- PassRefPtr<GlyphPage> createCopiedSystemFallbackPage( |
- GlyphPageTreeNodeBase* owner) const { |
- RefPtr<GlyphPage> page = GlyphPage::createForMixedFontData(owner); |
- memcpy(page->m_glyphs, m_glyphs, sizeof(m_glyphs)); |
- if (hasPerGlyphFontData()) |
- memcpy(page->m_perGlyphFontData, m_perGlyphFontData, |
- sizeof(SimpleFontData*) * GlyphPage::size); |
- else { |
- for (size_t i = 0; i < GlyphPage::size; ++i) { |
- page->m_perGlyphFontData[i] = m_glyphs[i] ? m_fontDataForAllGlyphs : 0; |
- } |
- } |
- page->m_customFontToLoad = m_customFontToLoad; |
- return page.release(); |
- } |
- |
- ~GlyphPage() {} |
- |
- static const unsigned char sizeBits = 8; |
- static const size_t size = |
- (1 << GlyphPage::sizeBits); // Covers Latin-1 in a single page. |
- static unsigned indexForCharacter(UChar32 c) { return c & 0xFF; } |
- |
- ALWAYS_INLINE GlyphData glyphDataForCharacter(UChar32 c) const { |
- unsigned index = indexForCharacter(c); |
- if (const CustomFontData* customData = customFontToLoadAt(index)) |
- customData->beginLoadIfNeeded(); |
- return glyphDataForIndex(index); |
- } |
- |
- ALWAYS_INLINE GlyphData glyphDataForIndex(unsigned index) const { |
- ASSERT_WITH_SECURITY_IMPLICATION(index < size); |
- Glyph glyph = m_glyphs[index]; |
- if (hasPerGlyphFontData()) |
- return GlyphData(glyph, m_perGlyphFontData[index]); |
- return GlyphData(glyph, glyph ? m_fontDataForAllGlyphs : 0); |
- } |
- |
- ALWAYS_INLINE Glyph glyphForCharacter(UChar32 c) const { |
- return glyphAt(indexForCharacter(c)); |
- } |
- |
- ALWAYS_INLINE Glyph glyphAt(unsigned index) const { |
- ASSERT_WITH_SECURITY_IMPLICATION(index < size); |
- return m_glyphs[index]; |
- } |
- |
- void setGlyphDataForCharacter(UChar32 c, Glyph g, const SimpleFontData* f) { |
- setGlyphDataForIndex(indexForCharacter(c), g, f); |
- } |
- |
- void setGlyphDataForIndex(unsigned index, |
- Glyph glyph, |
- const SimpleFontData* fontData) { |
- ASSERT_WITH_SECURITY_IMPLICATION(index < size); |
- m_glyphs[index] = glyph; |
- setCustomFontToLoad(index, 0); |
- |
- if (hasPerGlyphFontData()) { |
- m_perGlyphFontData[index] = fontData; |
- } else { |
- // A single-font GlyphPage already assigned m_fontDataForAllGlyphs in the |
- // constructor. |
- ASSERT(!glyph || fontData == m_fontDataForAllGlyphs); |
- } |
- } |
- |
- void setGlyphDataForIndex(unsigned index, const GlyphData& glyphData) { |
- setGlyphDataForIndex(index, glyphData.glyph, glyphData.fontData); |
- } |
- |
- const CustomFontData* customFontToLoadAt(unsigned index) const { |
- ASSERT_WITH_SECURITY_IMPLICATION(index < size); |
- return m_customFontToLoad ? m_customFontToLoad->at(index) : 0; |
- } |
- |
- void setCustomFontToLoad(unsigned index, |
- const CustomFontData* customFontToLoad) { |
- if (!m_customFontToLoad) { |
- if (!customFontToLoad) |
- return; |
- m_customFontToLoad = CustomDataPage::create(); |
- } |
- ASSERT_WITH_SECURITY_IMPLICATION(index < size); |
- m_customFontToLoad->set(index, customFontToLoad); |
- } |
- |
- void removePerGlyphFontData(const SimpleFontData* fontData) { |
- // This method should only be called on the mixed page, which is never |
- // single-font. |
- ASSERT(hasPerGlyphFontData()); |
- for (size_t i = 0; i < size; ++i) { |
- if (m_perGlyphFontData[i] == fontData) { |
- m_glyphs[i] = 0; |
- m_perGlyphFontData[i] = 0; |
- } |
- } |
- } |
- |
- GlyphPageTreeNodeBase* owner() const { return m_owner; } |
- |
- bool hasPerGlyphFontData() const { return !m_fontDataForAllGlyphs; } |
- |
- private: |
- explicit GlyphPage(GlyphPageTreeNodeBase* owner, |
- const SimpleFontData* fontDataForAllGlyphs = 0) |
- : m_fontDataForAllGlyphs(fontDataForAllGlyphs), m_owner(owner) { |
- memset(m_glyphs, 0, sizeof(m_glyphs)); |
- if (hasPerGlyphFontData()) |
- memset(m_perGlyphFontData, 0, sizeof(SimpleFontData*) * GlyphPage::size); |
- } |
- |
- class CustomDataPage : public RefCounted<CustomDataPage> { |
- public: |
- static RefPtr<CustomDataPage> create() { |
- return adoptRef(new CustomDataPage()); |
- } |
- const CustomFontData* at(size_t index) const { return m_customData[index]; } |
- void set(size_t index, const CustomFontData* data) { |
- m_customData[index] = data; |
- } |
- |
- private: |
- CustomDataPage() { memset(m_customData, 0, sizeof(m_customData)); } |
- const CustomFontData* m_customData[size]; |
- }; |
- |
- const SimpleFontData* m_fontDataForAllGlyphs; |
- GlyphPageTreeNodeBase* m_owner; |
- RefPtr<CustomDataPage> m_customFontToLoad; |
- Glyph m_glyphs[size]; |
- |
- // NOTE: This array has (GlyphPage::size) elements if m_fontDataForAllGlyphs |
- // is null. |
- const SimpleFontData* m_perGlyphFontData[0]; |
-}; |
- |
-#if COMPILER(MSVC) |
-#pragma warning(pop) |
-#endif |
- |
-} // namespace blink |
- |
-#endif // GlyphPage_h |