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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/178519">178519</a></dd>
<dt>Author</dt> <dd>antti@apple.com</dd>
<dt>Date</dt> <dd>2015-01-15 11:34:51 -0800 (Thu, 15 Jan 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/178518">r178518</a>.
Didn't mean to commit some of this
Reverted changeset:
"Try to fix windows build."
http://trac.webkit.org/changeset/178518</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscawinPlatformCALayerWincpp">trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscawinPlatformCALayerWinInternalcpp">trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformwinDragImageWincpp">trunk/Source/WebCore/platform/win/DragImageWin.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformwinPopupMenuWincpp">trunk/Source/WebCore/platform/win/PopupMenuWin.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformwinWebCoreTextRenderercpp">trunk/Source/WebCore/platform/win/WebCoreTextRenderer.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderThemeSafaricpp">trunk/Source/WebCore/rendering/RenderThemeSafari.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontMacmm">trunk/Source/WebCore/platform/graphics/mac/FontMac.mm</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreplatformgraphicsFontcpp">trunk/Source/WebCore/platform/graphics/Font.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsFonth">trunk/Source/WebCore/platform/graphics/Font.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsFontCascadeFastPathcpp">trunk/Source/WebCore/platform/graphics/FontCascadeFastPath.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsiosFontIOSmm">trunk/Source/WebCore/platform/graphics/ios/FontIOS.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontCascadeComplexTextMaccpp">trunk/Source/WebCore/platform/graphics/mac/FontCascadeComplexTextMac.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontCascadeMacmm">trunk/Source/WebCore/platform/graphics/mac/FontCascadeMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontCoreTextcpp">trunk/Source/WebCore/platform/graphics/mac/FontCoreText.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontMacmm">trunk/Source/WebCore/platform/graphics/mac/FontMac.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/ChangeLog        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2015-01-15 Antti Koivisto <antti@apple.com>
</span><span class="cx">
</span><ins>+ Unreviewed, rolling out r178518.
+
+ Didn't mean to commit some of this
+
+ Reverted changeset:
+
+ "Try to fix windows build."
+ http://trac.webkit.org/changeset/178518
+
+2015-01-15 Antti Koivisto <antti@apple.com>
+
</ins><span class="cx"> Try to fix windows build.
</span><span class="cx">
</span><span class="cx"> * platform/graphics/Font.cpp: Copied from Source/WebCore/platform/graphics/SimpleFontData.cpp.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsFontcpp"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/Font.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/Font.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/Font.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,456 +0,0 @@
</span><del>-/*
- * Copyright (C) 2005, 2008, 2010, 2015 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov
- *
- * 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 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.
- */
-
-#include "config.h"
-#include "SimpleFontData.h"
-
-#if PLATFORM(IOS) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED > 1080)
-#include "CoreTextSPI.h"
-#endif
-#include "FontCache.h"
-#include "FontCascade.h"
-#include "OpenTypeMathData.h"
-#include <wtf/MathExtras.h>
-#include <wtf/NeverDestroyed.h>
-
-#if ENABLE(OPENTYPE_VERTICAL)
-#include "OpenTypeVerticalData.h"
-#endif
-
-namespace WebCore {
-
-unsigned GlyphPage::s_count = 0;
-
-const float smallCapsFontSizeMultiplier = 0.7f;
-const float emphasisMarkFontSizeMultiplier = 0.5f;
-
-SimpleFontData::SimpleFontData(const FontPlatformData& platformData, bool isCustomFont, bool isLoading, bool isTextOrientationFallback)
- : m_maxCharWidth(-1)
- , m_avgCharWidth(-1)
- , m_platformData(platformData)
- , m_treatAsFixedPitch(false)
- , m_isCustomFont(isCustomFont)
- , m_isLoading(isLoading)
- , m_isTextOrientationFallback(isTextOrientationFallback)
- , m_isBrokenIdeographFallback(false)
- , m_mathData(nullptr)
-#if ENABLE(OPENTYPE_VERTICAL)
- , m_verticalData(0)
-#endif
- , m_hasVerticalGlyphs(false)
-{
- platformInit();
- platformGlyphInit();
- platformCharWidthInit();
-#if ENABLE(OPENTYPE_VERTICAL)
- if (platformData.orientation() == Vertical && !isTextOrientationFallback) {
- m_verticalData = platformData.verticalData();
- m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVerticalMetrics();
- }
-#endif
-}
-
-SimpleFontData::SimpleFontData(std::unique_ptr<SVGData> svgData, float fontSize, bool syntheticBold, bool syntheticItalic)
- : m_platformData(FontPlatformData(fontSize, syntheticBold, syntheticItalic))
- , m_svgData(WTF::move(svgData))
- , m_treatAsFixedPitch(false)
- , m_isCustomFont(true)
- , m_isLoading(false)
- , m_isTextOrientationFallback(false)
- , m_isBrokenIdeographFallback(false)
- , m_mathData(nullptr)
-#if ENABLE(OPENTYPE_VERTICAL)
- , m_verticalData(0)
-#endif
- , m_hasVerticalGlyphs(false)
-#if PLATFORM(IOS)
- , m_shouldNotBeUsedForArabic(false)
-#endif
-{
- m_svgData->initializeFontData(this, fontSize);
-}
-
-// Estimates of avgCharWidth and maxCharWidth for platforms that don't support accessing these values from the font.
-void SimpleFontData::initCharWidths()
-{
- auto* glyphPageZero = glyphPage(0);
-
- // Treat the width of a '0' as the avgCharWidth.
- if (m_avgCharWidth <= 0.f && glyphPageZero) {
- static const UChar32 digitZeroChar = '0';
- Glyph digitZeroGlyph = glyphPageZero->glyphDataForCharacter(digitZeroChar).glyph;
- if (digitZeroGlyph)
- m_avgCharWidth = widthForGlyph(digitZeroGlyph);
- }
-
- // If we can't retrieve the width of a '0', fall back to the x height.
- if (m_avgCharWidth <= 0.f)
- m_avgCharWidth = m_fontMetrics.xHeight();
-
- if (m_maxCharWidth <= 0.f)
- m_maxCharWidth = std::max(m_avgCharWidth, m_fontMetrics.floatAscent());
-}
-
-void SimpleFontData::platformGlyphInit()
-{
- auto* glyphPageZero = glyphPage(0);
- if (!glyphPageZero) {
- m_spaceGlyph = 0;
- m_spaceWidth = 0;
- m_zeroGlyph = 0;
- m_adjustedSpaceWidth = 0;
- determinePitch();
- m_zeroWidthSpaceGlyph = 0;
- return;
- }
-
- // Ask for the glyph for 0 to avoid paging in ZERO WIDTH SPACE. Control characters, including 0,
- // are mapped to the ZERO WIDTH SPACE glyph.
- m_zeroWidthSpaceGlyph = glyphPageZero->glyphDataForCharacter(0).glyph;
-
- // Nasty hack to determine if we should round or ceil space widths.
- // If the font is monospace or fake monospace we ceil to ensure that
- // every character and the space are the same width. Otherwise we round.
- m_spaceGlyph = glyphPageZero->glyphDataForCharacter(' ').glyph;
- float width = widthForGlyph(m_spaceGlyph);
- m_spaceWidth = width;
- m_zeroGlyph = glyphPageZero->glyphDataForCharacter('0').glyph;
- m_fontMetrics.setZeroWidth(widthForGlyph(m_zeroGlyph));
- determinePitch();
- m_adjustedSpaceWidth = m_treatAsFixedPitch ? ceilf(width) : roundf(width);
-
- // Force the glyph for ZERO WIDTH SPACE to have zero width, unless it is shared with SPACE.
- // Helvetica is an example of a non-zero width ZERO WIDTH SPACE glyph.
- // See <http://bugs.webkit.org/show_bug.cgi?id=13178> and SimpleFontData::isZeroWidthSpaceGlyph()
- if (m_zeroWidthSpaceGlyph == m_spaceGlyph)
- m_zeroWidthSpaceGlyph = 0;
-}
-
-SimpleFontData::~SimpleFontData()
-{
- removeFromSystemFallbackCache();
-}
-
-static bool fillGlyphPage(GlyphPage& pageToFill, unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData)
-{
-#if ENABLE(SVG_FONTS)
- if (auto* svgData = fontData->svgData())
- return svgData->fillSVGGlyphPage(&pageToFill, offset, length, buffer, bufferLength, fontData);
-#endif
- bool hasGlyphs = pageToFill.fill(offset, length, buffer, bufferLength, fontData);
-#if ENABLE(OPENTYPE_VERTICAL)
- if (hasGlyphs && fontData->verticalData())
- fontData->verticalData()->substituteWithVerticalGlyphs(fontData, &pageToFill, offset, length);
-#endif
- return hasGlyphs;
-}
-
-static RefPtr<GlyphPage> createAndFillGlyphPage(unsigned pageNumber, const SimpleFontData* fontData)
-{
-#if PLATFORM(IOS)
- // FIXME: Times New Roman contains Arabic glyphs, but Core Text doesn't know how to shape them. See <rdar://problem/9823975>.
- // Once we have the fix for <rdar://problem/9823975> then remove this code together with SimpleFontData::shouldNotBeUsedForArabic()
- // in <rdar://problem/12096835>.
- if (pageNumber == 6 && fontData->shouldNotBeUsedForArabic())
- return nullptr;
-#endif
-
- unsigned start = pageNumber * GlyphPage::size;
- UChar buffer[GlyphPage::size * 2 + 2];
- unsigned bufferLength;
- // Fill in a buffer with the entire "page" of characters that we want to look up glyphs for.
- if (U_IS_BMP(start)) {
- bufferLength = GlyphPage::size;
- for (unsigned i = 0; i < GlyphPage::size; i++)
- buffer[i] = start + i;
-
- if (start == 0) {
- // Control characters must not render at all.
- for (unsigned i = 0; i < 0x20; ++i)
- buffer[i] = zeroWidthSpace;
- for (unsigned i = 0x7F; i < 0xA0; i++)
- buffer[i] = zeroWidthSpace;
- buffer[softHyphen] = zeroWidthSpace;
-
- // \n, \t, and nonbreaking space must render as a space.
- buffer[(int)'\n'] = ' ';
- buffer[(int)'\t'] = ' ';
- buffer[noBreakSpace] = ' ';
- } else if (start == (leftToRightMark & ~(GlyphPage::size - 1))) {
- // LRM, RLM, LRE, RLE, ZWNJ, ZWJ, and PDF must not render at all.
- buffer[leftToRightMark - start] = zeroWidthSpace;
- buffer[rightToLeftMark - start] = zeroWidthSpace;
- buffer[leftToRightEmbed - start] = zeroWidthSpace;
- buffer[rightToLeftEmbed - start] = zeroWidthSpace;
- buffer[leftToRightOverride - start] = zeroWidthSpace;
- buffer[rightToLeftOverride - start] = zeroWidthSpace;
- buffer[zeroWidthNonJoiner - start] = zeroWidthSpace;
- buffer[zeroWidthJoiner - start] = zeroWidthSpace;
- buffer[popDirectionalFormatting - start] = zeroWidthSpace;
- } else if (start == (objectReplacementCharacter & ~(GlyphPage::size - 1))) {
- // Object replacement character must not render at all.
- buffer[objectReplacementCharacter - start] = zeroWidthSpace;
- } else if (start == (zeroWidthNoBreakSpace & ~(GlyphPage::size - 1))) {
- // ZWNBS/BOM must not render at all.
- buffer[zeroWidthNoBreakSpace - start] = zeroWidthSpace;
- }
- } else {
- bufferLength = GlyphPage::size * 2;
- for (unsigned i = 0; i < GlyphPage::size; i++) {
- int c = i + start;
- buffer[i * 2] = U16_LEAD(c);
- buffer[i * 2 + 1] = U16_TRAIL(c);
- }
- }
-
- // Now that we have a buffer full of characters, we want to get back an array
- // of glyph indices. This part involves calling into the platform-specific
- // routine of our glyph map for actually filling in the page with the glyphs.
- // Success is not guaranteed. For example, Times fails to fill page 260, giving glyph data
- // for only 128 out of 256 characters.
- RefPtr<GlyphPage> glyphPage;
- if (GlyphPage::mayUseMixedFontDataWhenFilling(buffer, bufferLength, fontData))
- glyphPage = GlyphPage::createForMixedFontData();
- else
- glyphPage = GlyphPage::createForSingleFontData(fontData);
-
- bool haveGlyphs = fillGlyphPage(*glyphPage, 0, GlyphPage::size, buffer, bufferLength, fontData);
- if (!haveGlyphs)
- return nullptr;
-
- glyphPage->setImmutable();
- return glyphPage;
-}
-
-const GlyphPage* SimpleFontData::glyphPage(unsigned pageNumber) const
-{
- if (pageNumber == 0) {
- if (!m_glyphPageZero)
- m_glyphPageZero = createAndFillGlyphPage(0, this);
- return m_glyphPageZero.get();
- }
- auto addResult = m_glyphPages.add(pageNumber, nullptr);
- if (addResult.isNewEntry)
- addResult.iterator->value = createAndFillGlyphPage(pageNumber, this);
-
- return addResult.iterator->value.get();
-}
-
-Glyph SimpleFontData::glyphForCharacter(UChar32 character) const
-{
- auto* page = glyphPage(character / GlyphPage::size);
- if (!page)
- return 0;
- return page->glyphAt(character % GlyphPage::size);
-}
-
-GlyphData SimpleFontData::glyphDataForCharacter(UChar32 character) const
-{
- auto* page = glyphPage(character / GlyphPage::size);
- if (!page)
- return GlyphData();
- return page->glyphDataForCharacter(character);
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::verticalRightOrientationFontData() const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->verticalRightOrientation) {
- FontPlatformData verticalRightPlatformData(m_platformData);
- verticalRightPlatformData.setOrientation(Horizontal);
- m_derivedFontData->verticalRightOrientation = create(verticalRightPlatformData, isCustomFont(), false, true);
- }
- return m_derivedFontData->verticalRightOrientation;
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::uprightOrientationFontData() const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->uprightOrientation)
- m_derivedFontData->uprightOrientation = create(m_platformData, isCustomFont(), false, true);
- return m_derivedFontData->uprightOrientation;
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::smallCapsFontData(const FontDescription& fontDescription) const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->smallCaps)
- m_derivedFontData->smallCaps = createScaledFontData(fontDescription, smallCapsFontSizeMultiplier);
-
- return m_derivedFontData->smallCaps;
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::emphasisMarkFontData(const FontDescription& fontDescription) const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->emphasisMark)
- m_derivedFontData->emphasisMark = createScaledFontData(fontDescription, emphasisMarkFontSizeMultiplier);
-
- return m_derivedFontData->emphasisMark;
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::brokenIdeographFontData() const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->brokenIdeograph) {
- m_derivedFontData->brokenIdeograph = create(m_platformData, isCustomFont(), false);
- m_derivedFontData->brokenIdeograph->m_isBrokenIdeographFallback = true;
- }
- return m_derivedFontData->brokenIdeograph;
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::nonSyntheticItalicFontData() const
-{
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
- if (!m_derivedFontData->nonSyntheticItalic) {
- FontPlatformData nonSyntheticItalicFontPlatformData(m_platformData);
-#if PLATFORM(COCOA)
- nonSyntheticItalicFontPlatformData.m_syntheticOblique = false;
-#endif
- m_derivedFontData->nonSyntheticItalic = create(nonSyntheticItalicFontPlatformData, isCustomFont());
- }
- return m_derivedFontData->nonSyntheticItalic;
-}
-
-#ifndef NDEBUG
-String SimpleFontData::description() const
-{
- if (isSVGFont())
- return "[SVG font]";
- if (isCustomFont())
- return "[custom font]";
-
- return platformData().description();
-}
-#endif
-
-const OpenTypeMathData* SimpleFontData::mathData() const
-{
- if (m_isLoading)
- return nullptr;
- if (!m_mathData) {
- m_mathData = OpenTypeMathData::create(m_platformData);
- if (!m_mathData->hasMathData())
- m_mathData.clear();
- }
- return m_mathData.get();
-}
-
-SimpleFontData::DerivedFontData::~DerivedFontData()
-{
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::createScaledFontData(const FontDescription& fontDescription, float scaleFactor) const
-{
- if (isSVGFont())
- return nullptr;
-
- return platformCreateScaledFontData(fontDescription, scaleFactor);
-}
-
-bool SimpleFontData::applyTransforms(GlyphBufferGlyph* glyphs, GlyphBufferAdvance* advances, size_t glyphCount, TypesettingFeatures typesettingFeatures) const
-{
- // We need to handle transforms on SVG fonts internally, since they are rendered internally.
- ASSERT(!isSVGFont());
-#if PLATFORM(IOS) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED > 1080)
- CTFontTransformOptions options = (typesettingFeatures & Kerning ? kCTFontTransformApplyPositioning : 0) | (typesettingFeatures & Ligatures ? kCTFontTransformApplyShaping : 0);
- return CTFontTransformGlyphs(m_platformData.ctFont(), glyphs, reinterpret_cast<CGSize*>(advances), glyphCount, options);
-#else
- UNUSED_PARAM(glyphs);
- UNUSED_PARAM(advances);
- UNUSED_PARAM(glyphCount);
- UNUSED_PARAM(typesettingFeatures);
- return false;
-#endif
-}
-
-// FontDatas are not refcounted to avoid cycles.
-typedef HashMap<std::pair<UChar32, unsigned>, SimpleFontData*> CharacterFallbackMap;
-typedef HashMap<const SimpleFontData*, CharacterFallbackMap> SystemFallbackCache;
-
-static SystemFallbackCache& systemFallbackCache()
-{
- static NeverDestroyed<SystemFallbackCache> map;
- return map.get();
-}
-
-RefPtr<SimpleFontData> SimpleFontData::systemFallbackFontDataForCharacter(UChar32 character, const FontDescription& description, bool isForPlatformFont) const
-{
- auto fontAddResult = systemFallbackCache().add(this, CharacterFallbackMap());
-
- auto key = std::make_pair(character, isForPlatformFont);
- auto characterAddResult = fontAddResult.iterator->value.add(key, nullptr);
-
- SimpleFontData*& fallbackFontData = characterAddResult.iterator->value;
-
- if (!fallbackFontData) {
- UChar codeUnits[2];
- int codeUnitsLength;
- if (U_IS_BMP(character)) {
- codeUnits[0] = FontCascade::normalizeSpaces(character);
- codeUnitsLength = 1;
- } else {
- codeUnits[0] = U16_LEAD(character);
- codeUnits[1] = U16_TRAIL(character);
- codeUnitsLength = 2;
- }
-
- fallbackFontData = fontCache().systemFallbackForCharacters(description, this, isForPlatformFont, codeUnits, codeUnitsLength).get();
- if (fallbackFontData)
- fallbackFontData->m_isUsedInSystemFallbackCache = true;
- }
-
- return fallbackFontData;
-}
-
-void SimpleFontData::removeFromSystemFallbackCache()
-{
- systemFallbackCache().remove(this);
-
- if (!m_isUsedInSystemFallbackCache)
- return;
-
- for (auto& characterMap : systemFallbackCache().values()) {
- Vector<std::pair<UChar32, unsigned>, 512> toRemove;
- for (auto& entry : characterMap) {
- if (entry.value == this)
- toRemove.append(entry.key);
- }
- for (auto& key : toRemove)
- characterMap.remove(key);
- }
-}
-
-} // namespace WebCore
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsFonth"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/Font.h (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/Font.h        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/Font.h        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,369 +0,0 @@
</span><del>-/*
- * This file is part of the internal font implementation.
- *
- * Copyright (C) 2006, 2008, 2010, 2015 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 "FontBaseline.h"
-#include "FontMetrics.h"
-#include "FontPlatformData.h"
-#include "FloatRect.h"
-#include "GlyphBuffer.h"
-#include "GlyphMetricsMap.h"
-#include "GlyphPage.h"
-#include "OpenTypeMathData.h"
-#if ENABLE(OPENTYPE_VERTICAL)
-#include "OpenTypeVerticalData.h"
-#endif
-#include "TypesettingFeatures.h"
-#include <wtf/TypeCasts.h>
-#include <wtf/text/StringHash.h>
-
-#if PLATFORM(COCOA)
-#include "WebCoreSystemInterface.h"
-#include <wtf/RetainPtr.h>
-#endif
-
-#if PLATFORM(WIN)
-#include <usp10.h>
-#endif
-
-#if USE(CAIRO)
-#include <cairo.h>
-#endif
-
-#if USE(CG)
-#include <WebCore/CoreGraphicsSPI.h>
-#endif
-
-namespace WebCore {
-
-class GlyphPage;
-class FontDescription;
-class SharedBuffer;
-struct GlyphData;
-struct WidthIterator;
-
-enum FontDataVariant { AutoVariant, NormalVariant, SmallCapsVariant, EmphasisMarkVariant, BrokenIdeographVariant };
-enum Pitch { UnknownPitch, FixedPitch, VariablePitch };
-
-class SimpleFontData : public RefCounted<SimpleFontData> {
-public:
- class SVGData {
- WTF_MAKE_FAST_ALLOCATED;
- public:
- virtual ~SVGData() { }
-
- virtual void initializeFontData(SimpleFontData*, float fontSize) = 0;
- virtual float widthForSVGGlyph(Glyph, float fontSize) const = 0;
- virtual bool fillSVGGlyphPage(GlyphPage*, unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData*) const = 0;
- };
-
- // Used to create platform fonts.
- static Ref<SimpleFontData> create(const FontPlatformData& platformData, bool isCustomFont = false, bool isLoading = false, bool isTextOrientationFallback = false)
- {
- return adoptRef(*new SimpleFontData(platformData, isCustomFont, isLoading, isTextOrientationFallback));
- }
-
- // Used to create SVG Fonts.
- static Ref<SimpleFontData> create(std::unique_ptr<SVGData> svgData, float fontSize, bool syntheticBold, bool syntheticItalic)
- {
- return adoptRef(*new SimpleFontData(WTF::move(svgData), fontSize, syntheticBold, syntheticItalic));
- }
-
- ~SimpleFontData();
-
- static const SimpleFontData* systemFallback() { return reinterpret_cast<const SimpleFontData*>(-1); }
-
- const FontPlatformData& platformData() const { return m_platformData; }
- const OpenTypeMathData* mathData() const;
-#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> nonSyntheticItalicFontData() 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 setSpaceWidths(float spaceWidth)
- {
- m_spaceWidth = spaceWidth;
- m_adjustedSpaceWidth = spaceWidth;
- }
-
-#if USE(CG) || USE(CAIRO)
- 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; }
-
- GlyphData glyphDataForCharacter(UChar32) const;
- Glyph glyphForCharacter(UChar32) const;
-
- RefPtr<SimpleFontData> systemFallbackFontDataForCharacter(UChar32, const FontDescription&, bool isForPlatformFont) const;
-
- const GlyphPage* glyphPage(unsigned pageNumber) const;
-
- void determinePitch();
- Pitch pitch() const { return m_treatAsFixedPitch ? FixedPitch : VariablePitch; }
-
- const SVGData* svgData() const { return m_svgData.get(); }
- bool isSVGFont() const { return !!m_svgData; }
-
- bool isCustomFont() const { return m_isCustomFont; }
- bool isLoading() const { return m_isLoading; }
-
-#ifndef NDEBUG
- String description() const;
-#endif
-
-#if USE(APPKIT)
- const SimpleFontData* compositeFontReferenceFontData(NSFont *key) const;
- NSFont* getNSFont() const { return m_platformData.nsFont(); }
-#endif
-
-#if PLATFORM(IOS)
- CTFontRef getCTFont() const { return m_platformData.font(); }
- bool shouldNotBeUsedForArabic() const { return m_shouldNotBeUsedForArabic; };
-#endif
-#if PLATFORM(COCOA)
- CFDictionaryRef getCFStringAttributes(TypesettingFeatures, FontOrientation) const;
-#endif
-
-#if PLATFORM(COCOA) || USE(HARFBUZZ)
- bool canRenderCombiningCharacterSequence(const UChar*, size_t) const;
-#endif
-
- bool applyTransforms(GlyphBufferGlyph*, GlyphBufferAdvance*, size_t glyphCount, TypesettingFeatures) const;
-
-#if PLATFORM(WIN)
- bool isSystemFont() const { return m_isSystemFont; }
- SCRIPT_FONTPROPERTIES* scriptFontProperties() const;
- SCRIPT_CACHE* scriptCache() const { return &m_scriptCache; }
- static void setShouldApplyMacAscentHack(bool);
- static bool shouldApplyMacAscentHack();
- static float ascentConsideringMacAscentHack(const WCHAR*, float ascent, float descent);
-#endif
-
-private:
- SimpleFontData(const FontPlatformData&, bool isCustomFont = false, bool isLoading = false, bool isTextOrientationFallback = false);
-
- SimpleFontData(std::unique_ptr<SVGData>, 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;
-
- void removeFromSystemFallbackCache();
-
-#if PLATFORM(WIN)
- void initGDIFont();
- void platformCommonDestroy();
- FloatRect boundsForGDIGlyph(Glyph glyph) const;
- float widthForGDIGlyph(Glyph glyph) const;
-#endif
-
-#if USE(CG)
- bool canUseFastGlyphAdvanceGetter(Glyph glyph, CGSize& advance, bool& populatedAdvance) const;
- CGFontRenderingStyle renderingStyle() const;
- bool advanceForColorBitmapFont(Glyph, CGSize& result) const; // Returns true if the font is a color bitmap font
-#endif
-
- FontMetrics m_fontMetrics;
- float m_maxCharWidth;
- float m_avgCharWidth;
-
- FontPlatformData m_platformData;
- std::unique_ptr<SVGData> m_svgData;
-
- mutable RefPtr<GlyphPage> m_glyphPageZero;
- mutable HashMap<unsigned, RefPtr<GlyphPage>> m_glyphPages;
- mutable std::unique_ptr<GlyphMetricsMap<FloatRect>> m_glyphToBoundsMap;
- mutable GlyphMetricsMap<float> m_glyphToWidthMap;
-
- bool m_treatAsFixedPitch;
- bool m_isCustomFont; // Whether or not we are custom font loaded via @font-face
- bool m_isLoading; // Whether or not this custom font is still in the act of loading.
-
- bool m_isTextOrientationFallback;
- bool m_isBrokenIdeographFallback;
-
- bool m_isUsedInSystemFallbackCache { false };
-
- mutable RefPtr<OpenTypeMathData> m_mathData;
-#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;
-
- struct DerivedFontData {
- explicit DerivedFontData(bool custom)
- : forCustomFont(custom)
- {
- }
- ~DerivedFontData();
-
- bool forCustomFont;
- RefPtr<SimpleFontData> smallCaps;
- RefPtr<SimpleFontData> emphasisMark;
- RefPtr<SimpleFontData> brokenIdeograph;
- RefPtr<SimpleFontData> verticalRightOrientation;
- RefPtr<SimpleFontData> uprightOrientation;
- RefPtr<SimpleFontData> nonSyntheticItalic;
-#if USE(APPKIT)
- HashMap<NSFont*, RefPtr<SimpleFontData>> compositeFontReferences;
-#endif
- };
-
- mutable std::unique_ptr<DerivedFontData> m_derivedFontData;
-
-#if USE(CG) || USE(CAIRO)
- float m_syntheticBoldOffset;
-#endif
-
-#if PLATFORM(COCOA)
- mutable HashMap<unsigned, RetainPtr<CFDictionaryRef>> m_CFStringAttributes;
-#endif
-
-#if PLATFORM(COCOA) || USE(HARFBUZZ)
- mutable std::unique_ptr<HashMap<String, bool>> m_combiningCharacterSequenceSupport;
-#endif
-
-#if PLATFORM(WIN)
- bool m_isSystemFont;
- mutable SCRIPT_CACHE m_scriptCache;
- mutable SCRIPT_FONTPROPERTIES* m_scriptFontProperties;
-#endif
-#if PLATFORM(IOS)
- bool m_shouldNotBeUsedForArabic;
-#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 = std::make_unique<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_svgData->widthForSVGGlyph(glyph, m_platformData.size());
-#if ENABLE(OPENTYPE_VERTICAL)
- else if (m_verticalData)
-#if USE(CG) || USE(CAIRO)
- 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
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsFontCascadeFastPathcpp"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/FontCascadeFastPath.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/FontCascadeFastPath.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/FontCascadeFastPath.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,341 +0,0 @@
</span><del>-/**
- * Copyright (C) 2003, 2006, 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Holger Hans Peter Freyther
- * Copyright (C) 2009 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.
- *
- */
-
-#include "config.h"
-#include "FontCascade.h"
-
-#include "FloatRect.h"
-#include "FontGlyphs.h"
-#include "GlyphBuffer.h"
-#include "LayoutRect.h"
-#include "SimpleFontData.h"
-#include "TextRun.h"
-#include "WidthIterator.h"
-#include <wtf/MainThread.h>
-#include <wtf/MathExtras.h>
-#include <wtf/unicode/CharacterNames.h>
-
-using namespace WTF;
-using namespace Unicode;
-
-namespace WebCore {
-
-// FIXME: This function may not work if the emphasis mark uses a complex script, but none of the
-// standard emphasis marks do so.
-bool FontCascade::getEmphasisMarkGlyphData(const AtomicString& mark, GlyphData& glyphData) const
-{
- if (mark.isEmpty())
- return false;
-
- UChar32 character = mark[0];
-
- if (U16_IS_SURROGATE(character)) {
- if (!U16_IS_SURROGATE_LEAD(character))
- return false;
-
- if (mark.length() < 2)
- return false;
-
- UChar low = mark[1];
- if (!U16_IS_TRAIL(low))
- return false;
-
- character = U16_GET_SUPPLEMENTARY(character, low);
- }
-
- glyphData = glyphDataForCharacter(character, false, EmphasisMarkVariant);
- return true;
-}
-
-int FontCascade::emphasisMarkAscent(const AtomicString& mark) const
-{
- GlyphData markGlyphData;
- if (!getEmphasisMarkGlyphData(mark, markGlyphData))
- return 0;
-
- const SimpleFontData* markFontData = markGlyphData.fontData;
- ASSERT(markFontData);
- if (!markFontData)
- return 0;
-
- return markFontData->fontMetrics().ascent();
-}
-
-int FontCascade::emphasisMarkDescent(const AtomicString& mark) const
-{
- GlyphData markGlyphData;
- if (!getEmphasisMarkGlyphData(mark, markGlyphData))
- return 0;
-
- const SimpleFontData* markFontData = markGlyphData.fontData;
- ASSERT(markFontData);
- if (!markFontData)
- return 0;
-
- return markFontData->fontMetrics().descent();
-}
-
-int FontCascade::emphasisMarkHeight(const AtomicString& mark) const
-{
- GlyphData markGlyphData;
- if (!getEmphasisMarkGlyphData(mark, markGlyphData))
- return 0;
-
- const SimpleFontData* markFontData = markGlyphData.fontData;
- ASSERT(markFontData);
- if (!markFontData)
- return 0;
-
- return markFontData->fontMetrics().height();
-}
-
-float FontCascade::getGlyphsAndAdvancesForSimpleText(const TextRun& run, int from, int to, GlyphBuffer& glyphBuffer, ForTextEmphasisOrNot forTextEmphasis) const
-{
- float initialAdvance;
-
- WidthIterator it(this, run, 0, false, forTextEmphasis);
- // FIXME: Using separate glyph buffers for the prefix and the suffix is incorrect when kerning or
- // ligatures are enabled.
- GlyphBuffer localGlyphBuffer;
- it.advance(from, &localGlyphBuffer);
- float beforeWidth = it.m_runWidthSoFar;
- it.advance(to, &glyphBuffer);
-
- if (glyphBuffer.isEmpty())
- return 0;
-
- float afterWidth = it.m_runWidthSoFar;
-
- if (run.rtl()) {
- float finalRoundingWidth = it.m_finalRoundingWidth;
- it.advance(run.length(), &localGlyphBuffer);
- initialAdvance = finalRoundingWidth + it.m_runWidthSoFar - afterWidth;
- } else
- initialAdvance = beforeWidth;
-
- if (run.rtl())
- glyphBuffer.reverse(0, glyphBuffer.size());
-
- return initialAdvance;
-}
-
-float FontCascade::drawSimpleText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
-{
- // This glyph buffer holds our glyphs+advances+font data for each glyph.
- GlyphBuffer glyphBuffer;
-
- float startX = point.x() + getGlyphsAndAdvancesForSimpleText(run, from, to, glyphBuffer);
-
- if (glyphBuffer.isEmpty())
- return 0;
-
- FloatPoint startPoint(startX, point.y());
- drawGlyphBuffer(context, run, glyphBuffer, startPoint);
-
- return startPoint.x() - startX;
-}
-
-void FontCascade::drawEmphasisMarksForSimpleText(GraphicsContext* context, const TextRun& run, const AtomicString& mark, const FloatPoint& point, int from, int to) const
-{
- GlyphBuffer glyphBuffer;
- float initialAdvance = getGlyphsAndAdvancesForSimpleText(run, from, to, glyphBuffer, ForTextEmphasis);
-
- if (glyphBuffer.isEmpty())
- return;
-
- drawEmphasisMarks(context, run, glyphBuffer, mark, FloatPoint(point.x() + initialAdvance, point.y()));
-}
-
-void FontCascade::drawGlyphBuffer(GraphicsContext* context, const TextRun& run, const GlyphBuffer& glyphBuffer, FloatPoint& point) const
-{
-#if !ENABLE(SVG_FONTS)
- UNUSED_PARAM(run);
-#endif
-
- // Draw each contiguous run of glyphs that use the same font data.
- const SimpleFontData* fontData = glyphBuffer.fontDataAt(0);
- FloatSize offset = glyphBuffer.offsetAt(0);
- FloatPoint startPoint(point.x(), point.y() - glyphBuffer.initialAdvance().height());
- float nextX = startPoint.x() + glyphBuffer.advanceAt(0).width();
- float nextY = startPoint.y() + glyphBuffer.advanceAt(0).height();
- int lastFrom = 0;
- int nextGlyph = 1;
-#if ENABLE(SVG_FONTS)
- TextRun::RenderingContext* renderingContext = run.renderingContext();
-#endif
- while (nextGlyph < glyphBuffer.size()) {
- const SimpleFontData* nextFontData = glyphBuffer.fontDataAt(nextGlyph);
- FloatSize nextOffset = glyphBuffer.offsetAt(nextGlyph);
-
- if (nextFontData != fontData || nextOffset != offset) {
-#if ENABLE(SVG_FONTS)
- if (renderingContext && fontData->isSVGFont())
- renderingContext->drawSVGGlyphs(context, fontData, glyphBuffer, lastFrom, nextGlyph - lastFrom, startPoint);
- else
-#endif
- drawGlyphs(context, fontData, glyphBuffer, lastFrom, nextGlyph - lastFrom, startPoint);
-
- lastFrom = nextGlyph;
- fontData = nextFontData;
- offset = nextOffset;
- startPoint.setX(nextX);
- startPoint.setY(nextY);
- }
- nextX += glyphBuffer.advanceAt(nextGlyph).width();
- nextY += glyphBuffer.advanceAt(nextGlyph).height();
- nextGlyph++;
- }
-
-#if ENABLE(SVG_FONTS)
- if (renderingContext && fontData->isSVGFont())
- renderingContext->drawSVGGlyphs(context, fontData, glyphBuffer, lastFrom, nextGlyph - lastFrom, startPoint);
- else
-#endif
- {
- drawGlyphs(context, fontData, glyphBuffer, lastFrom, nextGlyph - lastFrom, startPoint);
- point.setX(nextX);
- }
-}
-
-inline static float offsetToMiddleOfGlyph(const SimpleFontData* fontData, Glyph glyph)
-{
- if (fontData->platformData().orientation() == Horizontal) {
- FloatRect bounds = fontData->boundsForGlyph(glyph);
- return bounds.x() + bounds.width() / 2;
- }
- // FIXME: Use glyph bounds once they make sense for vertical fonts.
- return fontData->widthForGlyph(glyph) / 2;
-}
-
-inline static float offsetToMiddleOfGlyphAtIndex(const GlyphBuffer& glyphBuffer, size_t i)
-{
- return offsetToMiddleOfGlyph(glyphBuffer.fontDataAt(i), glyphBuffer.glyphAt(i));
-}
-
-void FontCascade::drawEmphasisMarks(GraphicsContext* context, const TextRun& run, const GlyphBuffer& glyphBuffer, const AtomicString& mark, const FloatPoint& point) const
-{
- GlyphData markGlyphData;
- if (!getEmphasisMarkGlyphData(mark, markGlyphData))
- return;
-
- const SimpleFontData* markFontData = markGlyphData.fontData;
- ASSERT(markFontData);
- if (!markFontData)
- return;
-
- Glyph markGlyph = markGlyphData.glyph;
- Glyph spaceGlyph = markFontData->spaceGlyph();
-
- float middleOfLastGlyph = offsetToMiddleOfGlyphAtIndex(glyphBuffer, 0);
- FloatPoint startPoint(point.x() + middleOfLastGlyph - offsetToMiddleOfGlyph(markFontData, markGlyph), point.y());
-
- GlyphBuffer markBuffer;
- for (int i = 0; i + 1 < glyphBuffer.size(); ++i) {
- float middleOfNextGlyph = offsetToMiddleOfGlyphAtIndex(glyphBuffer, i + 1);
- float advance = glyphBuffer.advanceAt(i).width() - middleOfLastGlyph + middleOfNextGlyph;
- markBuffer.add(glyphBuffer.glyphAt(i) ? markGlyph : spaceGlyph, markFontData, advance);
- middleOfLastGlyph = middleOfNextGlyph;
- }
- markBuffer.add(glyphBuffer.glyphAt(glyphBuffer.size() - 1) ? markGlyph : spaceGlyph, markFontData, 0);
-
- drawGlyphBuffer(context, run, markBuffer, startPoint);
-}
-
-float FontCascade::floatWidthForSimpleText(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
-{
- WidthIterator it(this, run, fallbackFonts, glyphOverflow);
- GlyphBuffer glyphBuffer;
- it.advance(run.length(), (typesettingFeatures() & (Kerning | Ligatures)) ? &glyphBuffer : 0);
-
- if (glyphOverflow) {
- glyphOverflow->top = std::max<int>(glyphOverflow->top, ceilf(-it.minGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().ascent()));
- glyphOverflow->bottom = std::max<int>(glyphOverflow->bottom, ceilf(it.maxGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().descent()));
- glyphOverflow->left = ceilf(it.firstGlyphOverflow());
- glyphOverflow->right = ceilf(it.lastGlyphOverflow());
- }
-
- return it.m_runWidthSoFar;
-}
-
-void FontCascade::adjustSelectionRectForSimpleText(const TextRun& run, LayoutRect& selectionRect, int from, int to) const
-{
- GlyphBuffer glyphBuffer;
- WidthIterator it(this, run);
- it.advance(from, &glyphBuffer);
- float beforeWidth = it.m_runWidthSoFar;
- it.advance(to, &glyphBuffer);
- float afterWidth = it.m_runWidthSoFar;
- float totalWidth = -1;
-
- if (run.rtl()) {
- it.advance(run.length(), &glyphBuffer);
- totalWidth = it.m_runWidthSoFar;
- selectionRect.move(totalWidth - afterWidth, 0);
- } else
- selectionRect.move(beforeWidth, 0);
- selectionRect.setWidth(afterWidth - beforeWidth);
-}
-
-int FontCascade::offsetForPositionForSimpleText(const TextRun& run, float x, bool includePartialGlyphs) const
-{
- float delta = x;
-
- WidthIterator it(this, run);
- GlyphBuffer localGlyphBuffer;
- unsigned offset;
- if (run.rtl()) {
- delta -= floatWidthForSimpleText(run);
- while (1) {
- offset = it.m_currentCharacter;
- float w;
- if (!it.advanceOneCharacter(w, localGlyphBuffer))
- break;
- delta += w;
- if (includePartialGlyphs) {
- if (delta - w / 2 >= 0)
- break;
- } else {
- if (delta >= 0)
- break;
- }
- }
- } else {
- while (1) {
- offset = it.m_currentCharacter;
- float w;
- if (!it.advanceOneCharacter(w, localGlyphBuffer))
- break;
- delta -= w;
- if (includePartialGlyphs) {
- if (delta + w / 2 <= 0)
- break;
- } else {
- if (delta <= 0)
- break;
- }
- }
- }
-
- return offset;
-}
-
-}
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscawinPlatformCALayerWincpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWin.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -28,7 +28,7 @@
</span><span class="cx"> #include "PlatformCALayerWin.h"
</span><span class="cx">
</span><span class="cx"> #include "AbstractCACFLayerTreeHost.h"
</span><del>-#include "FontCascade.h"
</del><ins>+#include "Font.h"
</ins><span class="cx"> #include "GraphicsContext.h"
</span><span class="cx"> #include "PlatformCAAnimationWin.h"
</span><span class="cx"> #include "PlatformCALayerWinInternal.h"
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscawinPlatformCALayerWinInternalcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -27,7 +27,7 @@
</span><span class="cx">
</span><span class="cx"> #include "PlatformCALayerWinInternal.h"
</span><span class="cx">
</span><del>-#include "FontCascade.h"
</del><ins>+#include "Font.h"
</ins><span class="cx"> #include "GraphicsContext.h"
</span><span class="cx"> #include "PlatformCALayer.h"
</span><span class="cx"> #include "TextRun.h"
</span><span class="lines">@@ -159,7 +159,7 @@
</span><span class="cx">
</span><span class="cx"> desc.setComputedSize(18);
</span><span class="cx">
</span><del>- FontCascade font = FontCascade(desc, 0, 0);
</del><ins>+ Font font = Font(desc, 0, 0);
</ins><span class="cx"> font.update(0);
</span><span class="cx">
</span><span class="cx"> GraphicsContext cg(context);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsiosFontIOSmm"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/ios/FontIOS.mm (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ios/FontIOS.mm        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/ios/FontIOS.mm        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,197 +0,0 @@
</span><del>-/*
- * Copyright (C) 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
- */
-
-#import "config.h"
-#import "SimpleFontData.h"
-
-#import "BlockExceptions.h"
-#import "CoreGraphicsSPI.h"
-#import "FontCache.h"
-#import "FontCascade.h"
-#import "FontDescription.h"
-#import "FontServicesIOS.h"
-#import <CoreText/CoreText.h>
-#import <float.h>
-#import <unicode/uchar.h>
-#import <wtf/Assertions.h>
-#import <wtf/StdLibExtras.h>
-
-namespace WebCore {
-
-static bool fontFamilyShouldNotBeUsedForArabic(CFStringRef fontFamilyName)
-{
- if (!fontFamilyName)
- return false;
-
- // Times New Roman contains Arabic glyphs, but Core Text doesn't know how to shape them. <rdar://problem/9823975>
- // FIXME <rdar://problem/12096835> remove this function once the above bug is fixed.
- // Arial and Tahoma are have performance issues so don't use them as well.
- return (CFStringCompare(CFSTR("Times New Roman"), fontFamilyName, 0) == kCFCompareEqualTo)
- || (CFStringCompare(CFSTR("Arial"), fontFamilyName, 0) == kCFCompareEqualTo)
- || (CFStringCompare(CFSTR("Tahoma"), fontFamilyName, 0) == kCFCompareEqualTo);
-}
-
-static bool fontHasVerticalGlyphs(CTFontRef ctFont)
-{
- // The check doesn't look neat but this is what AppKit does for vertical writing...
- RetainPtr<CFArrayRef> tableTags = adoptCF(CTFontCopyAvailableTables(ctFont, kCTFontTableOptionNoOptions));
- CFIndex numTables = CFArrayGetCount(tableTags.get());
- for (CFIndex index = 0; index < numTables; ++index) {
- CTFontTableTag tag = (CTFontTableTag)(uintptr_t)CFArrayGetValueAtIndex(tableTags.get(), index);
- if (tag == kCTFontTableVhea || tag == kCTFontTableVORG)
- return true;
- }
- return false;
-}
-
-void SimpleFontData::platformInit()
-{
- m_syntheticBoldOffset = m_platformData.m_syntheticBold ? ceilf(m_platformData.size() / 24.0f) : 0.f;
- m_spaceGlyph = 0;
- m_spaceWidth = 0;
- unsigned unitsPerEm;
- float ascent;
- float descent;
- float capHeight;
- float lineGap;
- float lineSpacing;
- float xHeight;
- RetainPtr<CFStringRef> familyName;
- if (CTFontRef ctFont = m_platformData.font()) {
- FontServicesIOS fontService(ctFont);
- ascent = ceilf(fontService.ascent());
- descent = ceilf(fontService.descent());
- lineSpacing = fontService.lineSpacing();
- lineGap = fontService.lineGap();
- xHeight = fontService.xHeight();
- capHeight = fontService.capHeight();
- unitsPerEm = fontService.unitsPerEm();
- familyName = adoptCF(CTFontCopyFamilyName(ctFont));
- } else {
- CGFontRef cgFont = m_platformData.cgFont();
-
- unitsPerEm = CGFontGetUnitsPerEm(cgFont);
-
- float pointSize = m_platformData.size();
- ascent = lroundf(scaleEmToUnits(CGFontGetAscent(cgFont), unitsPerEm) * pointSize);
- descent = lroundf(-scaleEmToUnits(-abs(CGFontGetDescent(cgFont)), unitsPerEm) * pointSize);
- lineGap = lroundf(scaleEmToUnits(CGFontGetLeading(cgFont), unitsPerEm) * pointSize);
- xHeight = scaleEmToUnits(CGFontGetXHeight(cgFont), unitsPerEm) * pointSize;
- capHeight = scaleEmToUnits(CGFontGetCapHeight(cgFont), unitsPerEm) * pointSize;
-
- lineSpacing = ascent + descent + lineGap;
- familyName = adoptCF(CGFontCopyFamilyName(cgFont));
- }
-
- m_fontMetrics.setUnitsPerEm(unitsPerEm);
- m_fontMetrics.setAscent(ascent);
- m_fontMetrics.setDescent(descent);
- m_fontMetrics.setLineGap(lineGap);
- m_fontMetrics.setLineSpacing(lineSpacing);
- m_fontMetrics.setXHeight(xHeight);
- m_fontMetrics.setCapHeight(capHeight);
- m_shouldNotBeUsedForArabic = fontFamilyShouldNotBeUsedForArabic(familyName.get());
-
- if (platformData().orientation() == Vertical && !isTextOrientationFallback())
- m_hasVerticalGlyphs = fontHasVerticalGlyphs(m_platformData.ctFont());
-
- if (!m_platformData.m_isEmoji)
- return;
-
- int thirdOfSize = m_platformData.size() / 3;
- m_fontMetrics.setAscent(thirdOfSize);
- m_fontMetrics.setDescent(thirdOfSize);
- m_fontMetrics.setLineGap(thirdOfSize);
- m_fontMetrics.setLineSpacing(0);
-}
-
-void SimpleFontData::platformCharWidthInit()
-{
- m_avgCharWidth = 0;
- m_maxCharWidth = 0;
-
- // Fallback to a cross-platform estimate, which will populate these values if they are non-positive.
- initCharWidths();
-}
-
-PassRefPtr<SimpleFontData> SimpleFontData::platformCreateScaledFontData(const FontDescription&, float scaleFactor) const
-{
- if (isCustomFont()) {
- FontPlatformData scaledFontData(m_platformData);
- scaledFontData.m_size = scaledFontData.m_size * scaleFactor;
- return SimpleFontData::create(scaledFontData, true, false);
- }
-
- float size = m_platformData.size() * scaleFactor;
- CTFontSymbolicTraits fontTraits = CTFontGetSymbolicTraits(m_platformData.font());
- RetainPtr<CTFontDescriptorRef> fontDescriptor = adoptCF(CTFontCopyFontDescriptor(m_platformData.font()));
- RetainPtr<CTFontRef> scaledFont = adoptCF(CTFontCreateWithFontDescriptor(fontDescriptor.get(), size, nullptr));
- FontPlatformData scaledFontData(scaledFont.get(), size, m_platformData.isPrinterFont(), false, false, m_platformData.orientation());
-
- if (scaledFontData.font()) {
- if (m_platformData.m_syntheticBold)
- fontTraits |= kCTFontBoldTrait;
- if (m_platformData.m_syntheticOblique)
- fontTraits |= kCTFontItalicTrait;
-
- CTFontSymbolicTraits scaledFontTraits = CTFontGetSymbolicTraits(scaledFontData.font());
- scaledFontData.m_syntheticBold = (fontTraits & kCTFontBoldTrait) && !(scaledFontTraits & kCTFontTraitBold);
- scaledFontData.m_syntheticOblique = (fontTraits & kCTFontItalicTrait) && !(scaledFontTraits & kCTFontTraitItalic);
-
- return fontCache().fontForPlatformData(scaledFontData);
- }
-
- return nullptr;
-}
-
-void SimpleFontData::determinePitch()
-{
- CTFontRef ctFont = m_platformData.font();
- m_treatAsFixedPitch = false;
- if (!ctFont)
- return; // CTFont is null in the case of SVG fonts for example.
-
- RetainPtr<CFStringRef> fullName = adoptCF(CTFontCopyFullName(ctFont));
- RetainPtr<CFStringRef> familyName = adoptCF(CTFontCopyFamilyName(ctFont));
-
- m_treatAsFixedPitch = CGFontIsFixedPitch(m_platformData.cgFont()) || (fullName && (CFStringCompare(fullName.get(), CFSTR("Osaka-Mono"), kCFCompareCaseInsensitive) == kCFCompareEqualTo || CFStringCompare(fullName.get(), CFSTR("MS-PGothic"), kCFCompareCaseInsensitive) == kCFCompareEqualTo));
- if (familyName && CFStringCompare(familyName.get(), CFSTR("Courier New"), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
- // Special case Courier New to not be treated as fixed pitch, as this will make use of a hacked space width which is undesireable for iPhone (see rdar://6269783).
- m_treatAsFixedPitch = false;
- }
-}
-
-CGFontRenderingStyle SimpleFontData::renderingStyle() const
-{
- return kCGFontRenderingStyleAntialiasing | kCGFontRenderingStyleSubpixelPositioning | kCGFontRenderingStyleSubpixelQuantization | kCGFontAntialiasingStyleUnfiltered;
-}
-
-bool SimpleFontData::advanceForColorBitmapFont(Glyph, CGSize&) const
-{
- return false;
-}
-
-} // namespace WebCore
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontCascadeComplexTextMaccpp"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/mac/FontCascadeComplexTextMac.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontCascadeComplexTextMac.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/mac/FontCascadeComplexTextMac.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,184 +0,0 @@
</span><del>-/*
- * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
- */
-
-#include "config.h"
-#include "FontCascade.h"
-
-#include "ComplexTextController.h"
-#include "FontGlyphs.h"
-#include "GlyphBuffer.h"
-#include "GraphicsContext.h"
-#include "IntRect.h"
-#include "LayoutRect.h"
-#include "SimpleFontData.h"
-#include "TextRun.h"
-#include <wtf/MathExtras.h>
-
-namespace WebCore {
-
-void FontCascade::adjustSelectionRectForComplexText(const TextRun& run, LayoutRect& selectionRect, int from, int to) const
-{
- ComplexTextController controller(this, run);
- controller.advance(from);
- float beforeWidth = controller.runWidthSoFar();
- controller.advance(to);
- float afterWidth = controller.runWidthSoFar();
-
- if (run.rtl())
- selectionRect.move(controller.totalWidth() - afterWidth, 0);
- else
- selectionRect.move(beforeWidth, 0);
- selectionRect.setWidth(afterWidth - beforeWidth);
-}
-
-float FontCascade::getGlyphsAndAdvancesForComplexText(const TextRun& run, int from, int to, GlyphBuffer& glyphBuffer, ForTextEmphasisOrNot forTextEmphasis) const
-{
- float initialAdvance;
-
- ComplexTextController controller(this, run, false, 0, forTextEmphasis);
- controller.advance(from);
- float beforeWidth = controller.runWidthSoFar();
- controller.advance(to, &glyphBuffer);
-
- if (glyphBuffer.isEmpty())
- return 0;
-
- float afterWidth = controller.runWidthSoFar();
-
- if (run.rtl()) {
- initialAdvance = controller.totalWidth() + controller.finalRoundingWidth() - afterWidth;
- glyphBuffer.reverse(0, glyphBuffer.size());
- } else
- initialAdvance = beforeWidth;
-
- return initialAdvance;
-}
-
-float FontCascade::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
-{
- // This glyph buffer holds our glyphs + advances + font data for each glyph.
- GlyphBuffer glyphBuffer;
-
- float startX = point.x() + getGlyphsAndAdvancesForComplexText(run, from, to, glyphBuffer);
-
- // We couldn't generate any glyphs for the run. Give up.
- if (glyphBuffer.isEmpty())
- return 0;
-
- // Draw the glyph buffer now at the starting point returned in startX.
- FloatPoint startPoint(startX, point.y());
- drawGlyphBuffer(context, run, glyphBuffer, startPoint);
-
- return startPoint.x() - startX;
-}
-
-void FontCascade::drawEmphasisMarksForComplexText(GraphicsContext* context, const TextRun& run, const AtomicString& mark, const FloatPoint& point, int from, int to) const
-{
- GlyphBuffer glyphBuffer;
- float initialAdvance = getGlyphsAndAdvancesForComplexText(run, from, to, glyphBuffer, ForTextEmphasis);
-
- if (glyphBuffer.isEmpty())
- return;
-
- drawEmphasisMarks(context, run, glyphBuffer, mark, FloatPoint(point.x() + initialAdvance, point.y()));
-}
-
-float FontCascade::floatWidthForComplexText(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
-{
- ComplexTextController controller(this, run, true, fallbackFonts);
- if (glyphOverflow) {
- glyphOverflow->top = std::max<int>(glyphOverflow->top, ceilf(-controller.minGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().ascent()));
- glyphOverflow->bottom = std::max<int>(glyphOverflow->bottom, ceilf(controller.maxGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().descent()));
- glyphOverflow->left = std::max<int>(0, ceilf(-controller.minGlyphBoundingBoxX()));
- glyphOverflow->right = std::max<int>(0, ceilf(controller.maxGlyphBoundingBoxX() - controller.totalWidth()));
- }
- return controller.totalWidth();
-}
-
-int FontCascade::offsetForPositionForComplexText(const TextRun& run, float x, bool includePartialGlyphs) const
-{
- ComplexTextController controller(this, run);
- return controller.offsetForPosition(x, includePartialGlyphs);
-}
-
-const SimpleFontData* FontCascade::fontDataForCombiningCharacterSequence(const UChar* characters, size_t length, FontDataVariant variant) const
-{
- UChar32 baseCharacter;
- size_t baseCharacterLength = 0;
- U16_NEXT(characters, baseCharacterLength, length, baseCharacter);
-
- GlyphData baseCharacterGlyphData = glyphDataForCharacter(baseCharacter, false, variant);
-
- if (!baseCharacterGlyphData.glyph)
- return 0;
-
- if (length == baseCharacterLength)
- return baseCharacterGlyphData.fontData;
-
- bool triedBaseCharacterFontData = false;
-
- for (unsigned i = 0; !fallbackRangesAt(i).isNull(); ++i) {
- const SimpleFontData* simpleFontData = fallbackRangesAt(i).fontDataForCharacter(baseCharacter);
- if (!simpleFontData)
- continue;
-#if PLATFORM(IOS)
- if (baseCharacter >= 0x0600 && baseCharacter <= 0x06ff && simpleFontData->shouldNotBeUsedForArabic())
- continue;
-#endif
- if (variant == NormalVariant) {
- if (simpleFontData->platformData().orientation() == Vertical) {
- if (isCJKIdeographOrSymbol(baseCharacter) && !simpleFontData->hasVerticalGlyphs()) {
- variant = BrokenIdeographVariant;
- simpleFontData = simpleFontData->brokenIdeographFontData().get();
- } else if (m_fontDescription.nonCJKGlyphOrientation() == NonCJKGlyphOrientationVerticalRight) {
- SimpleFontData* verticalRightFontData = simpleFontData->verticalRightOrientationFontData().get();
- Glyph verticalRightGlyph = verticalRightFontData->glyphForCharacter(baseCharacter);
- if (verticalRightGlyph == baseCharacterGlyphData.glyph)
- simpleFontData = verticalRightFontData;
- } else {
- SimpleFontData* uprightFontData = simpleFontData->uprightOrientationFontData().get();
- Glyph uprightGlyph = uprightFontData->glyphForCharacter(baseCharacter);
- if (uprightGlyph != baseCharacterGlyphData.glyph)
- simpleFontData = uprightFontData;
- }
- }
- } else {
- if (const SimpleFontData* variantFontData = simpleFontData->variantFontData(m_fontDescription, variant).get())
- simpleFontData = variantFontData;
- }
-
- if (simpleFontData == baseCharacterGlyphData.fontData)
- triedBaseCharacterFontData = true;
-
- if (simpleFontData->canRenderCombiningCharacterSequence(characters, length))
- return simpleFontData;
- }
-
- if (!triedBaseCharacterFontData && baseCharacterGlyphData.fontData && baseCharacterGlyphData.fontData->canRenderCombiningCharacterSequence(characters, length))
- return baseCharacterGlyphData.fontData;
-
- return SimpleFontData::systemFallback();
-}
-
-} // namespace WebCore
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontCascadeMacmm"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/mac/FontCascadeMac.mm (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontCascadeMac.mm        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/mac/FontCascadeMac.mm        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,605 +0,0 @@
</span><del>-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- * (C) 1999 Antti Koivisto (koivisto@kde.org)
- * (C) 2000 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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.
- */
-
-#import "config.h"
-#import "FontCascade.h"
-
-#import "CoreGraphicsSPI.h"
-#import "CoreTextSPI.h"
-#import "DashArray.h"
-#import "GlyphBuffer.h"
-#import "GraphicsContext.h"
-#import "Logging.h"
-#import "SimpleFontData.h"
-#import "WebCoreSystemInterface.h"
-#if USE(APPKIT)
-#import <AppKit/AppKit.h>
-#endif
-#import <wtf/MathExtras.h>
-
-#if ENABLE(LETTERPRESS)
-#import "CoreUISPI.h"
-#import "SoftLinking.h"
-
-SOFT_LINK_PRIVATE_FRAMEWORK(CoreUI)
-SOFT_LINK_CLASS(CoreUI, CUICatalog)
-SOFT_LINK_CLASS(CoreUI, CUIStyleEffectConfiguration)
-
-SOFT_LINK_FRAMEWORK(UIKit)
-SOFT_LINK(UIKit, _UIKitGetTextEffectsCatalog, CUICatalog *, (void), ())
-#endif
-
-#define SYNTHETIC_OBLIQUE_ANGLE 14
-
-#ifdef __LP64__
-#define URefCon void*
-#else
-#define URefCon UInt32
-#endif
-
-namespace WebCore {
-
-bool FontCascade::canReturnFallbackFontsForComplexText()
-{
- return true;
-}
-
-bool FontCascade::canExpandAroundIdeographsInComplexText()
-{
- return true;
-}
-
-static inline void fillVectorWithHorizontalGlyphPositions(Vector<CGPoint, 256>& positions, CGContextRef context, const CGSize* advances, size_t count)
-{
- CGAffineTransform matrix = CGAffineTransformInvert(CGContextGetTextMatrix(context));
- positions[0] = CGPointZero;
- for (size_t i = 1; i < count; ++i) {
- CGSize advance = CGSizeApplyAffineTransform(advances[i - 1], matrix);
- positions[i].x = positions[i - 1].x + advance.width;
- positions[i].y = positions[i - 1].y + advance.height;
- }
-}
-
-static inline bool shouldUseLetterpressEffect(const GraphicsContext& context)
-{
-#if ENABLE(LETTERPRESS)
- return context.textDrawingMode() & TextModeLetterpress;
-#else
- UNUSED_PARAM(context);
- return false;
-#endif
-}
-
-static void showLetterpressedGlyphsWithAdvances(const FloatPoint& point, const SimpleFontData* font, CGContextRef context, const CGGlyph* glyphs, const CGSize* advances, size_t count)
-{
-#if ENABLE(LETTERPRESS)
- if (!count)
- return;
-
- const FontPlatformData& platformData = font->platformData();
- if (platformData.orientation() == Vertical) {
- // FIXME: Implement support for vertical text. See <rdar://problem/13737298>.
- return;
- }
-
- CGContextSetTextPosition(context, point.x(), point.y());
- Vector<CGPoint, 256> positions(count);
- fillVectorWithHorizontalGlyphPositions(positions, context, advances, count);
-
- CTFontRef ctFont = platformData.ctFont();
- CGContextSetFontSize(context, CTFontGetSize(ctFont));
-
- static CUICatalog *catalog = _UIKitGetTextEffectsCatalog();
- if (!catalog)
- return;
-
- static CUIStyleEffectConfiguration *styleConfiguration;
- if (!styleConfiguration) {
- styleConfiguration = [allocCUIStyleEffectConfigurationInstance() init];
- styleConfiguration.useSimplifiedEffect = YES;
- }
-
- [catalog drawGlyphs:glyphs atPositions:positions.data() inContext:context withFont:ctFont count:count stylePresetName:@"_UIKitNewLetterpressStyle" styleConfiguration:styleConfiguration foregroundColor:CGContextGetFillColorAsColor(context)];
-#else
- UNUSED_PARAM(point);
- UNUSED_PARAM(font);
- UNUSED_PARAM(context);
- UNUSED_PARAM(glyphs);
- UNUSED_PARAM(advances);
- UNUSED_PARAM(count);
-#endif
-}
-
-static void showGlyphsWithAdvances(const FloatPoint& point, const SimpleFontData* font, CGContextRef context, const CGGlyph* glyphs, const CGSize* advances, size_t count)
-{
- if (!count)
- return;
-
- CGContextSetTextPosition(context, point.x(), point.y());
-
- const FontPlatformData& platformData = font->platformData();
- Vector<CGPoint, 256> positions(count);
- if (platformData.isColorBitmapFont())
- fillVectorWithHorizontalGlyphPositions(positions, context, advances, count);
- if (platformData.orientation() == Vertical) {
- CGAffineTransform savedMatrix;
- CGAffineTransform rotateLeftTransform = CGAffineTransformMake(0, -1, 1, 0, 0, 0);
- savedMatrix = CGContextGetTextMatrix(context);
- CGAffineTransform runMatrix = CGAffineTransformConcat(savedMatrix, rotateLeftTransform);
- CGContextSetTextMatrix(context, runMatrix);
-
- Vector<CGSize, 256> translations(count);
- CTFontGetVerticalTranslationsForGlyphs(platformData.ctFont(), glyphs, translations.data(), count);
-
- CGAffineTransform transform = CGAffineTransformInvert(CGContextGetTextMatrix(context));
-
- CGPoint position = FloatPoint(point.x(), point.y() + font->fontMetrics().floatAscent(IdeographicBaseline) - font->fontMetrics().floatAscent());
- for (size_t i = 0; i < count; ++i) {
- CGSize translation = CGSizeApplyAffineTransform(translations[i], rotateLeftTransform);
- positions[i] = CGPointApplyAffineTransform(CGPointMake(position.x - translation.width, position.y + translation.height), transform);
- position.x += advances[i].width;
- position.y += advances[i].height;
- }
- if (!platformData.isColorBitmapFont())
- CGContextShowGlyphsAtPositions(context, glyphs, positions.data(), count);
- else
- CTFontDrawGlyphs(platformData.ctFont(), glyphs, positions.data(), count, context);
- CGContextSetTextMatrix(context, savedMatrix);
- } else {
- if (!platformData.isColorBitmapFont())
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
- CGContextShowGlyphsWithAdvances(context, glyphs, advances, count);
-#pragma clang diagnostic pop
- else
- CTFontDrawGlyphs(platformData.ctFont(), glyphs, positions.data(), count, context);
- }
-}
-
-#if PLATFORM(MAC)
-static void setCGFontRenderingMode(CGContextRef cgContext, NSFontRenderingMode renderingMode, BOOL shouldSubpixelQuantize)
-{
- if (renderingMode == NSFontIntegerAdvancementsRenderingMode) {
- CGContextSetShouldAntialiasFonts(cgContext, false);
- return;
- }
-
- CGContextSetShouldAntialiasFonts(cgContext, true);
-
- CGAffineTransform contextTransform = CGContextGetCTM(cgContext);
- BOOL isTranslationOrIntegralScale = WTF::isIntegral(contextTransform.a) && WTF::isIntegral(contextTransform.d) && contextTransform.b == 0.f && contextTransform.c == 0.f;
- BOOL isRotated = ((contextTransform.b || contextTransform.c) && (contextTransform.a || contextTransform.d));
- BOOL doSubpixelQuantization = isTranslationOrIntegralScale || (!isRotated && shouldSubpixelQuantize);
-
- CGContextSetShouldSubpixelPositionFonts(cgContext, renderingMode != NSFontAntialiasedIntegerAdvancementsRenderingMode || !isTranslationOrIntegralScale);
- CGContextSetShouldSubpixelQuantizeFonts(cgContext, doSubpixelQuantization);
-}
-#endif
-
-void FontCascade::drawGlyphs(GraphicsContext* context, const SimpleFontData* font, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& anchorPoint) const
-{
- const FontPlatformData& platformData = font->platformData();
- if (!platformData.size())
- return;
-
- CGContextRef cgContext = context->platformContext();
-
- bool shouldSmoothFonts;
- bool changeFontSmoothing;
-
- switch(fontDescription().fontSmoothing()) {
- case Antialiased: {
- context->setShouldAntialias(true);
- shouldSmoothFonts = false;
- changeFontSmoothing = true;
- break;
- }
- case SubpixelAntialiased: {
- context->setShouldAntialias(true);
- shouldSmoothFonts = true;
- changeFontSmoothing = true;
- break;
- }
- case NoSmoothing: {
- context->setShouldAntialias(false);
- shouldSmoothFonts = false;
- changeFontSmoothing = true;
- break;
- }
- case AutoSmoothing: {
- shouldSmoothFonts = true;
- changeFontSmoothing = false;
- break;
- }
- }
-
- if (!shouldUseSmoothing()) {
- shouldSmoothFonts = false;
- changeFontSmoothing = true;
- }
-
-#if !PLATFORM(IOS)
- bool originalShouldUseFontSmoothing = false;
- if (changeFontSmoothing) {
- originalShouldUseFontSmoothing = CGContextGetShouldSmoothFonts(cgContext);
- CGContextSetShouldSmoothFonts(cgContext, shouldSmoothFonts);
- }
-#endif
-
-#if !PLATFORM(IOS)
- NSFont* drawFont;
- if (!isPrinterFont()) {
- drawFont = [platformData.nsFont() screenFont];
- if (drawFont != platformData.nsFont()) {
- // We are getting this in too many places (3406411); use ERROR so it only prints on debug versions for now. (We should debug this also, eventually).
- LOG_ERROR("Attempting to set non-screen font (%@) when drawing to screen. Using screen font anyway, may result in incorrect metrics.",
- [[[platformData.nsFont() fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
- }
- } else {
- drawFont = [platformData.nsFont() printerFont];
- if (drawFont != platformData.nsFont()) {
- NSLog(@"Attempting to set non-printer font (%@) when printing. Using printer font anyway, may result in incorrect metrics.",
- [[[platformData.nsFont() fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
- }
- }
-#endif
-
- CGContextSetFont(cgContext, platformData.cgFont());
-
- bool useLetterpressEffect = shouldUseLetterpressEffect(*context);
- FloatPoint point = anchorPoint;
-#if PLATFORM(IOS)
- float fontSize = platformData.size();
- CGAffineTransform matrix = useLetterpressEffect || platformData.isColorBitmapFont() ? CGAffineTransformIdentity : CGAffineTransformMakeScale(fontSize, fontSize);
- if (platformData.m_isEmoji) {
- if (!context->emojiDrawingEnabled())
- return;
-
- // Mimic the positioining of non-bitmap glyphs, which are not subpixel-positioned.
- point.setY(ceilf(point.y()));
-
- // Emoji glyphs snap to the CSS pixel grid.
- point.setX(floorf(point.x()));
-
- // Emoji glyphs are offset one CSS pixel to the right.
- point.move(1, 0);
-
- // Emoji glyphs are offset vertically based on font size.
- float y = point.y();
- if (fontSize <= 15) {
- // Undo Core Text's y adjustment.
- static float yAdjustmentFactor = iosExecutableWasLinkedOnOrAfterVersion(wkIOSSystemVersion_6_0) ? .19 : .1;
- point.setY(floorf(y - yAdjustmentFactor * (fontSize + 2) + 2));
- } else {
- if (fontSize < 26)
- y -= .35f * fontSize - 10;
-
- // Undo Core Text's y adjustment.
- static float yAdjustment = iosExecutableWasLinkedOnOrAfterVersion(wkIOSSystemVersion_6_0) ? 3.8 : 2;
- point.setY(floorf(y - yAdjustment));
- }
- }
-#else
- CGAffineTransform matrix = CGAffineTransformIdentity;
- if (drawFont && !platformData.isColorBitmapFont())
- memcpy(&matrix, [drawFont matrix], sizeof(matrix));
-#endif
- matrix.b = -matrix.b;
- matrix.d = -matrix.d;
- if (platformData.m_syntheticOblique) {
- static float obliqueSkew = tanf(SYNTHETIC_OBLIQUE_ANGLE * piFloat / 180);
- if (platformData.orientation() == Vertical)
- matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, obliqueSkew, 0, 1, 0, 0));
- else
- matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, -obliqueSkew, 1, 0, 0));
- }
- CGContextSetTextMatrix(cgContext, matrix);
-
-#if PLATFORM(IOS)
- CGContextSetFontSize(cgContext, 1);
- CGContextSetShouldSubpixelQuantizeFonts(cgContext, context->shouldSubpixelQuantizeFonts());
-#else
- setCGFontRenderingMode(cgContext, [drawFont renderingMode], context->shouldSubpixelQuantizeFonts());
- if (drawFont)
- CGContextSetFontSize(cgContext, 1);
- else
- CGContextSetFontSize(cgContext, platformData.m_size);
-#endif
-
-
- FloatSize shadowOffset;
- float shadowBlur;
- Color shadowColor;
- ColorSpace shadowColorSpace;
- ColorSpace fillColorSpace = context->fillColorSpace();
- context->getShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);
-
- AffineTransform contextCTM = context->getCTM();
- float syntheticBoldOffset = font->syntheticBoldOffset();
- if (syntheticBoldOffset && !contextCTM.isIdentityOrTranslationOrFlipped()) {
- FloatSize horizontalUnitSizeInDevicePixels = contextCTM.mapSize(FloatSize(1, 0));
- float horizontalUnitLengthInDevicePixels = sqrtf(horizontalUnitSizeInDevicePixels.width() * horizontalUnitSizeInDevicePixels.width() + horizontalUnitSizeInDevicePixels.height() * horizontalUnitSizeInDevicePixels.height());
- if (horizontalUnitLengthInDevicePixels)
- syntheticBoldOffset /= horizontalUnitLengthInDevicePixels;
- };
-
- bool hasSimpleShadow = context->textDrawingMode() == TextModeFill && shadowColor.isValid() && !shadowBlur && !platformData.isColorBitmapFont() && (!context->shadowsIgnoreTransforms() || contextCTM.isIdentityOrTranslationOrFlipped()) && !context->isInTransparencyLayer();
- if (hasSimpleShadow) {
- // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing.
- context->clearShadow();
- Color fillColor = context->fillColor();
- Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
- context->setFillColor(shadowFillColor, shadowColorSpace);
- float shadowTextX = point.x() + shadowOffset.width();
- // If shadows are ignoring transforms, then we haven't applied the Y coordinate flip yet, so down is negative.
- float shadowTextY = point.y() + shadowOffset.height() * (context->shadowsIgnoreTransforms() ? -1 : 1);
- showGlyphsWithAdvances(FloatPoint(shadowTextX, shadowTextY), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
-#if !PLATFORM(IOS)
- if (syntheticBoldOffset)
-#else
- if (syntheticBoldOffset && !platformData.m_isEmoji)
-#endif
- showGlyphsWithAdvances(FloatPoint(shadowTextX + syntheticBoldOffset, shadowTextY), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
- context->setFillColor(fillColor, fillColorSpace);
- }
-
- if (useLetterpressEffect)
- showLetterpressedGlyphsWithAdvances(point, font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
- else
- showGlyphsWithAdvances(point, font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
-#if !PLATFORM(IOS)
- if (syntheticBoldOffset)
-#else
- if (syntheticBoldOffset && !platformData.m_isEmoji)
-#endif
- showGlyphsWithAdvances(FloatPoint(point.x() + syntheticBoldOffset, point.y()), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
-
- if (hasSimpleShadow)
- context->setShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);
-
-#if !PLATFORM(IOS)
- if (changeFontSmoothing)
- CGContextSetShouldSmoothFonts(cgContext, originalShouldUseFontSmoothing);
-#endif
-}
-
-#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
-struct GlyphIterationState {
- GlyphIterationState(CGPoint startingPoint, CGPoint currentPoint, CGFloat y1, CGFloat y2, CGFloat minX, CGFloat maxX)
- : startingPoint(startingPoint)
- , currentPoint(currentPoint)
- , y1(y1)
- , y2(y2)
- , minX(minX)
- , maxX(maxX)
- {
- }
- CGPoint startingPoint;
- CGPoint currentPoint;
- CGFloat y1;
- CGFloat y2;
- CGFloat minX;
- CGFloat maxX;
-};
-
-static bool findIntersectionPoint(float y, CGPoint p1, CGPoint p2, CGFloat& x)
-{
- x = p1.x + (y - p1.y) * (p2.x - p1.x) / (p2.y - p1.y);
- return (p1.y < y && p2.y > y) || (p1.y > y && p2.y < y);
-}
-
-static void updateX(GlyphIterationState& state, CGFloat x)
-{
- state.minX = std::min(state.minX, x);
- state.maxX = std::max(state.maxX, x);
-}
-
-// This function is called by CGPathApply and is therefore invoked for each
-// contour in a glyph. This function models each contours as a straight line
-// and calculates the intersections between each pseudo-contour and
-// two horizontal lines (the upper and lower bounds of an underline) found in
-// GlyphIterationState::y1 and GlyphIterationState::y2. It keeps track of the
-// leftmost and rightmost intersection in GlyphIterationState::minX and
-// GlyphIterationState::maxX.
-static void findPathIntersections(void* stateAsVoidPointer, const CGPathElement* e)
-{
- auto& state = *static_cast<GlyphIterationState*>(stateAsVoidPointer);
- bool doIntersection = false;
- CGPoint point = CGPointZero;
- switch (e->type) {
- case kCGPathElementMoveToPoint:
- state.startingPoint = e->points[0];
- state.currentPoint = e->points[0];
- break;
- case kCGPathElementAddLineToPoint:
- doIntersection = true;
- point = e->points[0];
- break;
- case kCGPathElementAddQuadCurveToPoint:
- doIntersection = true;
- point = e->points[1];
- break;
- case kCGPathElementAddCurveToPoint:
- doIntersection = true;
- point = e->points[2];
- break;
- case kCGPathElementCloseSubpath:
- doIntersection = true;
- point = state.startingPoint;
- break;
- }
- if (!doIntersection)
- return;
- CGFloat x;
- if (findIntersectionPoint(state.y1, state.currentPoint, point, x))
- updateX(state, x);
- if (findIntersectionPoint(state.y2, state.currentPoint, point, x))
- updateX(state, x);
- if ((state.currentPoint.y >= state.y1 && state.currentPoint.y <= state.y2)
- || (state.currentPoint.y <= state.y1 && state.currentPoint.y >= state.y2))
- updateX(state, state.currentPoint.x);
- state.currentPoint = point;
-}
-
-class MacGlyphToPathTranslator final : public GlyphToPathTranslator {
-public:
- MacGlyphToPathTranslator(const TextRun& textRun, const GlyphBuffer& glyphBuffer, const FloatPoint& textOrigin)
- : m_index(0)
- , m_textRun(textRun)
- , m_glyphBuffer(glyphBuffer)
- , m_fontData(glyphBuffer.fontDataAt(m_index))
- , m_translation(CGAffineTransformScale(CGAffineTransformMakeTranslation(textOrigin.x(), textOrigin.y()), 1, -1))
- {
- moveToNextValidGlyph();
- }
-private:
- virtual bool containsMorePaths() override
- {
- return m_index != m_glyphBuffer.size();
- }
- virtual Path path() override;
- virtual std::pair<float, float> extents() override;
- virtual GlyphUnderlineType underlineType() override;
- virtual void advance() override;
- void moveToNextValidGlyph();
-
- int m_index;
- const TextRun& m_textRun;
- const GlyphBuffer& m_glyphBuffer;
- const SimpleFontData* m_fontData;
- CGAffineTransform m_translation;
-};
-
-Path MacGlyphToPathTranslator::path()
-{
- RetainPtr<CGPathRef> result = adoptCF(CTFontCreatePathForGlyph(m_fontData->platformData().ctFont(), m_glyphBuffer.glyphAt(m_index), &m_translation));
- return adoptCF(CGPathCreateMutableCopy(result.get()));
-}
-
-std::pair<float, float> MacGlyphToPathTranslator::extents()
-{
- CGPoint beginning = CGPointApplyAffineTransform(CGPointMake(0, 0), m_translation);
- CGSize end = CGSizeApplyAffineTransform(m_glyphBuffer.advanceAt(m_index), m_translation);
- return std::make_pair(static_cast<float>(beginning.x), static_cast<float>(beginning.x + end.width));
-}
-
-auto MacGlyphToPathTranslator::underlineType() -> GlyphUnderlineType
-{
- return computeUnderlineType(m_textRun, m_glyphBuffer, m_index);
-}
-
-void MacGlyphToPathTranslator::moveToNextValidGlyph()
-{
- if (!m_fontData->isSVGFont())
- return;
- advance();
-}
-
-void MacGlyphToPathTranslator::advance()
-{
- do {
- GlyphBufferAdvance advance = m_glyphBuffer.advanceAt(m_index);
- m_translation = CGAffineTransformTranslate(m_translation, advance.width(), advance.height());
- ++m_index;
- if (m_index >= m_glyphBuffer.size())
- break;
- m_fontData = m_glyphBuffer.fontDataAt(m_index);
- } while (m_fontData->isSVGFont() && m_index < m_glyphBuffer.size());
-}
-
-DashArray FontCascade::dashesForIntersectionsWithRect(const TextRun& run, const FloatPoint& textOrigin, const FloatRect& lineExtents) const
-{
- if (isLoadingCustomFonts())
- return DashArray();
-
- GlyphBuffer glyphBuffer;
- glyphBuffer.saveOffsetsInString();
- float deltaX;
- if (codePath(run) != FontCascade::Complex)
- deltaX = getGlyphsAndAdvancesForSimpleText(run, 0, run.length(), glyphBuffer);
- else
- deltaX = getGlyphsAndAdvancesForComplexText(run, 0, run.length(), glyphBuffer);
-
- if (!glyphBuffer.size())
- return DashArray();
-
- // FIXME: Handle SVG + non-SVG interleaved runs. https://bugs.webkit.org/show_bug.cgi?id=133778
- const SimpleFontData* fontData = glyphBuffer.fontDataAt(0);
- std::unique_ptr<GlyphToPathTranslator> translator;
- bool isSVG = false;
- FloatPoint origin = FloatPoint(textOrigin.x() + deltaX, textOrigin.y());
- if (!fontData->isSVGFont())
- translator = std::make_unique<MacGlyphToPathTranslator>(run, glyphBuffer, origin);
- else {
- TextRun::RenderingContext* renderingContext = run.renderingContext();
- if (!renderingContext)
- return DashArray();
- translator = renderingContext->createGlyphToPathTranslator(*fontData, &run, glyphBuffer, 0, glyphBuffer.size(), origin);
- isSVG = true;
- }
- DashArray result;
- for (int index = 0; translator->containsMorePaths(); ++index, translator->advance()) {
- GlyphIterationState info = GlyphIterationState(CGPointMake(0, 0), CGPointMake(0, 0), lineExtents.y(), lineExtents.y() + lineExtents.height(), lineExtents.x() + lineExtents.width(), lineExtents.x());
- const SimpleFontData* localFontData = glyphBuffer.fontDataAt(index);
- if (!localFontData || (!isSVG && localFontData->isSVGFont()) || (isSVG && localFontData != fontData)) {
- // The advances will get all messed up if we do anything other than bail here.
- result.clear();
- break;
- }
- switch (translator->underlineType()) {
- case GlyphToPathTranslator::GlyphUnderlineType::SkipDescenders: {
- Path path = translator->path();
- CGPathApply(path.platformPath(), &info, &findPathIntersections);
- if (info.minX < info.maxX) {
- result.append(info.minX - lineExtents.x());
- result.append(info.maxX - lineExtents.x());
- }
- break;
- }
- case GlyphToPathTranslator::GlyphUnderlineType::SkipGlyph: {
- std::pair<float, float> extents = translator->extents();
- result.append(extents.first - lineExtents.x());
- result.append(extents.second - lineExtents.x());
- break;
- }
- case GlyphToPathTranslator::GlyphUnderlineType::DrawOverGlyph:
- // Nothing to do
- break;
- }
- }
- return result;
-}
-#endif
-
-bool FontCascade::primaryFontDataIsSystemFont() const
-{
-#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED > 1090
- const auto& fontData = primaryFontData();
- return !fontData.isSVGFont() && CTFontDescriptorIsSystemUIFont(adoptCF(CTFontCopyFontDescriptor(fontData.platformData().ctFont())).get());
-#else
- // System fonts are hidden by having a name that begins with a period, so simply search
- // for that here rather than try to keep the list up to date.
- return firstFamily().startsWith('.');
-#endif
-}
-
-}
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontCoreTextcpp"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/mac/FontCoreText.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontCoreText.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/mac/FontCoreText.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,70 +0,0 @@
</span><del>-/*
- * Copyright (C) 2005, 2006, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
- */
-
-#include "config.h"
-#include "SimpleFontData.h"
-
-#if !PLATFORM(IOS)
-#include <ApplicationServices/ApplicationServices.h>
-#else
-#include <CoreText/CoreText.h>
-#endif
-
-namespace WebCore {
-
-CFDictionaryRef SimpleFontData::getCFStringAttributes(TypesettingFeatures typesettingFeatures, FontOrientation orientation) const
-{
- unsigned key = typesettingFeatures + 1;
- HashMap<unsigned, RetainPtr<CFDictionaryRef>>::AddResult addResult = m_CFStringAttributes.add(key, RetainPtr<CFDictionaryRef>());
- RetainPtr<CFDictionaryRef>& attributesDictionary = addResult.iterator->value;
- if (!addResult.isNewEntry)
- return attributesDictionary.get();
-
- attributesDictionary = adoptCF(CFDictionaryCreateMutable(kCFAllocatorDefault, 4, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
- CFMutableDictionaryRef mutableAttributes = (CFMutableDictionaryRef)attributesDictionary.get();
-
- CFDictionarySetValue(mutableAttributes, kCTFontAttributeName, platformData().ctFont());
-
- if (!(typesettingFeatures & Kerning)) {
- const float zero = 0;
- static CFNumberRef zeroKerningValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &zero);
- CFDictionarySetValue(mutableAttributes, kCTKernAttributeName, zeroKerningValue);
- }
-
- bool allowLigatures = (orientation == Horizontal && platformData().allowsLigatures()) || (typesettingFeatures & Ligatures);
- if (!allowLigatures) {
- const int zero = 0;
- static CFNumberRef essentialLigaturesValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &zero);
- CFDictionarySetValue(mutableAttributes, kCTLigatureAttributeName, essentialLigaturesValue);
- }
-
- if (orientation == Vertical)
- CFDictionarySetValue(mutableAttributes, kCTVerticalFormsAttributeName, kCFBooleanTrue);
-
- return attributesDictionary.get();
-}
-
-} // namespace WebCore
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontMacmm"></a>
<div class="delfile"><h4>Deleted: trunk/Source/WebCore/platform/graphics/mac/FontMac.mm (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontMac.mm        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/graphics/mac/FontMac.mm        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -1,474 +0,0 @@
</span><del>-/*
- * Copyright (C) 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
- */
-
-#import "config.h"
-#import "SimpleFontData.h"
-
-#import "BlockExceptions.h"
-#import "Color.h"
-#import "CoreGraphicsSPI.h"
-#import "CoreTextSPI.h"
-#import "FloatRect.h"
-#import "FontCache.h"
-#import "FontCascade.h"
-#import "FontDescription.h"
-#import "SharedBuffer.h"
-#import "WebCoreSystemInterface.h"
-#if USE(APPKIT)
-#import <AppKit/AppKit.h>
-#import <ApplicationServices/ApplicationServices.h>
-#else
-#import <CoreText/CoreText.h>
-#endif
-#import <float.h>
-#import <unicode/uchar.h>
-#import <wtf/Assertions.h>
-#import <wtf/StdLibExtras.h>
-#import <wtf/RetainPtr.h>
-
-#if !PLATFORM(IOS)
-@interface NSFont (WebAppKitSecretAPI)
-- (BOOL)_isFakeFixedPitch;
-@end
-#endif
-
-namespace WebCore {
-
-#if USE(APPKIT)
-static bool fontHasVerticalGlyphs(CTFontRef ctFont)
-{
- // The check doesn't look neat but this is what AppKit does for vertical writing...
- RetainPtr<CFArrayRef> tableTags = adoptCF(CTFontCopyAvailableTables(ctFont, kCTFontTableOptionNoOptions));
- CFIndex numTables = CFArrayGetCount(tableTags.get());
- for (CFIndex index = 0; index < numTables; ++index) {
- CTFontTableTag tag = (CTFontTableTag)(uintptr_t)CFArrayGetValueAtIndex(tableTags.get(), index);
- if (tag == kCTFontTableVhea || tag == kCTFontTableVORG)
- return true;
- }
- return false;
-}
-
-static bool initFontData(SimpleFontData* fontData)
-{
- if (!fontData->platformData().cgFont())
- return false;
-
- return true;
-}
-
-static NSString *webFallbackFontFamily(void)
-{
- static NSString *webFallbackFontFamily = [[[NSFont systemFontOfSize:16.0f] familyName] retain];
- return webFallbackFontFamily;
-}
-
-const SimpleFontData* SimpleFontData::compositeFontReferenceFontData(NSFont *key) const
-{
- if (!key || CFEqual(adoptCF(CTFontCopyPostScriptName(CTFontRef(key))).get(), CFSTR("LastResort")))
- return nullptr;
-
- if (!m_derivedFontData)
- m_derivedFontData = std::make_unique<DerivedFontData>(isCustomFont());
-
- auto addResult = m_derivedFontData->compositeFontReferences.add(key, nullptr);
- if (addResult.isNewEntry) {
- bool isUsingPrinterFont = platformData().isPrinterFont();
- NSFont *substituteFont = isUsingPrinterFont ? [key printerFont] : [key screenFont];
-
- CTFontSymbolicTraits traits = CTFontGetSymbolicTraits((CTFontRef)substituteFont);
- bool syntheticBold = platformData().syntheticBold() && !(traits & kCTFontBoldTrait);
- bool syntheticOblique = platformData().syntheticOblique() && !(traits & kCTFontItalicTrait);
-
- FontPlatformData substitutePlatform(substituteFont, platformData().size(), isUsingPrinterFont, syntheticBold, syntheticOblique, platformData().orientation(), platformData().widthVariant());
- addResult.iterator->value = SimpleFontData::create(substitutePlatform, isCustomFont());
- }
- return addResult.iterator->value.get();
-}
-
-void SimpleFontData::platformInit()
-{
- m_syntheticBoldOffset = m_platformData.m_syntheticBold ? 1.0f : 0.f;
-
- bool failedSetup = false;
- if (!initFontData(this)) {
- // Ack! Something very bad happened, like a corrupt font.
- // Try looking for an alternate 'base' font for this renderer.
-
- // Special case hack to use "Times New Roman" in place of "Times".
- // "Times RO" is a common font whose family name is "Times".
- // It overrides the normal "Times" family font.
- // It also appears to have a corrupt regular variant.
- NSString *fallbackFontFamily;
- if ([[m_platformData.nsFont() familyName] isEqual:@"Times"])
- fallbackFontFamily = @"Times New Roman";
- else
- fallbackFontFamily = webFallbackFontFamily();
-
- // Try setting up the alternate font.
- // This is a last ditch effort to use a substitute font when something has gone wrong.
-#if !ERROR_DISABLED
- RetainPtr<NSFont> initialFont = m_platformData.nsFont();
-#endif
- if (m_platformData.font())
- m_platformData.setNSFont([[NSFontManager sharedFontManager] convertFont:m_platformData.nsFont() toFamily:fallbackFontFamily]);
- else
- m_platformData.setNSFont([NSFont fontWithName:fallbackFontFamily size:m_platformData.size()]);
- if (!initFontData(this)) {
- if ([fallbackFontFamily isEqual:@"Times New Roman"]) {
- // OK, couldn't setup Times New Roman as an alternate to Times, fallback
- // on the system font. If this fails we have no alternative left.
- m_platformData.setNSFont([[NSFontManager sharedFontManager] convertFont:m_platformData.nsFont() toFamily:webFallbackFontFamily()]);
- if (!initFontData(this)) {
- // We tried, Times, Times New Roman, and the system font. No joy. We have to give up.
- LOG_ERROR("unable to initialize with font %@", initialFont.get());
- failedSetup = true;
- }
- } else {
- // We tried the requested font and the system font. No joy. We have to give up.
- LOG_ERROR("unable to initialize with font %@", initialFont.get());
- failedSetup = true;
- }
- }
-
- // Report the problem.
- LOG_ERROR("Corrupt font detected, using %@ in place of %@.",
- [m_platformData.nsFont() familyName], [initialFont.get() familyName]);
- }
-
- // If all else fails, try to set up using the system font.
- // This is probably because Times and Times New Roman are both unavailable.
- if (failedSetup) {
- m_platformData.setNSFont([NSFont systemFontOfSize:[m_platformData.nsFont() pointSize]]);
- LOG_ERROR("failed to set up font, using system font %s", m_platformData.font());
- initFontData(this);
- }
-
- int iAscent;
- int iDescent;
- int iCapHeight;
- int iLineGap;
- unsigned unitsPerEm;
- iAscent = CGFontGetAscent(m_platformData.cgFont());
- // Some fonts erroneously specify a positive descender value. We follow Core Text in assuming that
- // such fonts meant the same distance, but in the reverse direction.
- iDescent = -abs(CGFontGetDescent(m_platformData.cgFont()));
- iCapHeight = CGFontGetCapHeight(m_platformData.cgFont());
- iLineGap = CGFontGetLeading(m_platformData.cgFont());
- unitsPerEm = CGFontGetUnitsPerEm(m_platformData.cgFont());
-
- float pointSize = m_platformData.m_size;
- float ascent = scaleEmToUnits(iAscent, unitsPerEm) * pointSize;
- float descent = -scaleEmToUnits(iDescent, unitsPerEm) * pointSize;
- float capHeight = scaleEmToUnits(iCapHeight, unitsPerEm) * pointSize;
-
- float lineGap = scaleEmToUnits(iLineGap, unitsPerEm) * pointSize;
-
- // We need to adjust Times, Helvetica, and Courier to closely match the
- // vertical metrics of their Microsoft counterparts that are the de facto
- // web standard. The AppKit adjustment of 20% is too big and is
- // incorrectly added to line spacing, so we use a 15% adjustment instead
- // and add it to the ascent.
- NSString *familyName = [m_platformData.nsFont() familyName];
- if ([familyName isEqualToString:@"Times"] || [familyName isEqualToString:@"Helvetica"] || [familyName isEqualToString:@"Courier"])
- ascent += floorf(((ascent + descent) * 0.15f) + 0.5f);
-
- // Compute and store line spacing, before the line metrics hacks are applied.
- m_fontMetrics.setLineSpacing(lroundf(ascent) + lroundf(descent) + lroundf(lineGap));
-
- // Hack Hiragino line metrics to allow room for marked text underlines.
- // <rdar://problem/5386183>
- if (descent < 3 && lineGap >= 3 && [familyName hasPrefix:@"Hiragino"]) {
- lineGap -= 3 - descent;
- descent = 3;
- }
-
- if (platformData().orientation() == Vertical && !isTextOrientationFallback())
- m_hasVerticalGlyphs = fontHasVerticalGlyphs(m_platformData.ctFont());
-
- float xHeight;
-
- if (platformData().orientation() == Horizontal) {
- // Measure the actual character "x", since it's possible for it to extend below the baseline, and we need the
- // reported x-height to only include the portion of the glyph that is above the baseline.
- NSGlyph xGlyph = glyphForCharacter('x');
- if (xGlyph)
- xHeight = -CGRectGetMinY(platformBoundsForGlyph(xGlyph));
- else
- xHeight = scaleEmToUnits(CGFontGetXHeight(m_platformData.cgFont()), unitsPerEm) * pointSize;
- } else
- xHeight = verticalRightOrientationFontData()->fontMetrics().xHeight();
-
- m_fontMetrics.setUnitsPerEm(unitsPerEm);
- m_fontMetrics.setAscent(ascent);
- m_fontMetrics.setDescent(descent);
- m_fontMetrics.setCapHeight(capHeight);
- m_fontMetrics.setLineGap(lineGap);
- m_fontMetrics.setXHeight(xHeight);
-}
-
-static CFDataRef copyFontTableForTag(FontPlatformData& platformData, FourCharCode tableName)
-{
- return CGFontCopyTableForTag(platformData.cgFont(), tableName);
-}
-
-void SimpleFontData::platformCharWidthInit()
-{
- m_avgCharWidth = 0;
- m_maxCharWidth = 0;
-
- RetainPtr<CFDataRef> os2Table = adoptCF(copyFontTableForTag(m_platformData, 'OS/2'));
- if (os2Table && CFDataGetLength(os2Table.get()) >= 4) {
- const UInt8* os2 = CFDataGetBytePtr(os2Table.get());
- SInt16 os2AvgCharWidth = os2[2] * 256 + os2[3];
- m_avgCharWidth = scaleEmToUnits(os2AvgCharWidth, m_fontMetrics.unitsPerEm()) * m_platformData.m_size;
- }
-
- RetainPtr<CFDataRef> headTable = adoptCF(copyFontTableForTag(m_platformData, 'head'));
- if (headTable && CFDataGetLength(headTable.get()) >= 42) {
- const UInt8* head = CFDataGetBytePtr(headTable.get());
- ushort uxMin = head[36] * 256 + head[37];
- ushort uxMax = head[40] * 256 + head[41];
- SInt16 xMin = static_cast<SInt16>(uxMin);
- SInt16 xMax = static_cast<SInt16>(uxMax);
- float diff = static_cast<float>(xMax - xMin);
- m_maxCharWidth = scaleEmToUnits(diff, m_fontMetrics.unitsPerEm()) * m_platformData.m_size;
- }
-
- // Fallback to a cross-platform estimate, which will populate these values if they are non-positive.
- initCharWidths();
-}
-#endif // USE(APPKIT)
-
-void SimpleFontData::platformDestroy()
-{
-}
-
-#if !PLATFORM(IOS)
-PassRefPtr<SimpleFontData> SimpleFontData::platformCreateScaledFontData(const FontDescription& fontDescription, float scaleFactor) const
-{
- if (isCustomFont()) {
- FontPlatformData scaledFontData(m_platformData);
- scaledFontData.m_size = scaledFontData.m_size * scaleFactor;
- return SimpleFontData::create(scaledFontData, true, false);
- }
-
- BEGIN_BLOCK_OBJC_EXCEPTIONS;
- float size = m_platformData.size() * scaleFactor;
- FontPlatformData scaledFontData([[NSFontManager sharedFontManager] convertFont:m_platformData.nsFont() toSize:size], size, m_platformData.isPrinterFont(), false, false, m_platformData.orientation());
-
- // AppKit resets the type information (screen/printer) when you convert a font to a different size.
- // We have to fix up the font that we're handed back.
- scaledFontData.setNSFont(fontDescription.usePrinterFont() ? [scaledFontData.nsFont() printerFont] : [scaledFontData.nsFont() screenFont]);
-
- if (scaledFontData.font()) {
- NSFontManager *fontManager = [NSFontManager sharedFontManager];
- NSFontTraitMask fontTraits = [fontManager traitsOfFont:m_platformData.nsFont()];
-
- if (m_platformData.m_syntheticBold)
- fontTraits |= NSBoldFontMask;
- if (m_platformData.m_syntheticOblique)
- fontTraits |= NSItalicFontMask;
-
- NSFontTraitMask scaledFontTraits = [fontManager traitsOfFont:scaledFontData.nsFont()];
- scaledFontData.m_syntheticBold = (fontTraits & NSBoldFontMask) && !(scaledFontTraits & NSBoldFontMask);
- scaledFontData.m_syntheticOblique = (fontTraits & NSItalicFontMask) && !(scaledFontTraits & NSItalicFontMask);
-
- return fontCache().fontForPlatformData(scaledFontData);
- }
- END_BLOCK_OBJC_EXCEPTIONS;
-
- return 0;
-}
-
-void SimpleFontData::determinePitch()
-{
- NSFont* f = m_platformData.nsFont();
- // Special case Osaka-Mono.
- // According to <rdar://problem/3999467>, we should treat Osaka-Mono as fixed pitch.
- // Note that the AppKit does not report Osaka-Mono as fixed pitch.
-
- // Special case MS-PGothic.
- // According to <rdar://problem/4032938>, we should not treat MS-PGothic as fixed pitch.
- // Note that AppKit does report MS-PGothic as fixed pitch.
-
- // Special case MonotypeCorsiva
- // According to <rdar://problem/5454704>, we should not treat MonotypeCorsiva as fixed pitch.
- // Note that AppKit does report MonotypeCorsiva as fixed pitch.
-
- NSString *name = [f fontName];
- m_treatAsFixedPitch = ([f isFixedPitch] || [f _isFakeFixedPitch] ||
- [name caseInsensitiveCompare:@"Osaka-Mono"] == NSOrderedSame) &&
- [name caseInsensitiveCompare:@"MS-PGothic"] != NSOrderedSame &&
- [name caseInsensitiveCompare:@"MonotypeCorsiva"] != NSOrderedSame;
-}
-#endif // !PLATFORM(IOS)
-
-FloatRect SimpleFontData::platformBoundsForGlyph(Glyph glyph) const
-{
- FloatRect boundingBox;
- boundingBox = CTFontGetBoundingRectsForGlyphs(m_platformData.ctFont(), platformData().orientation() == Vertical ? kCTFontVerticalOrientation : kCTFontHorizontalOrientation, &glyph, 0, 1);
- boundingBox.setY(-boundingBox.maxY());
- if (m_syntheticBoldOffset)
- boundingBox.setWidth(boundingBox.width() + m_syntheticBoldOffset);
-
- return boundingBox;
-}
-
-#if PLATFORM(MAC)
-inline CGFontRenderingStyle SimpleFontData::renderingStyle() const
-{
- CGFontRenderingStyle style = kCGFontRenderingStyleAntialiasing | kCGFontRenderingStyleSubpixelPositioning | kCGFontRenderingStyleSubpixelQuantization;
- NSFont *font = platformData().nsFont();
- if (font) {
- switch ([font renderingMode]) {
- case NSFontIntegerAdvancementsRenderingMode:
- style = 0;
- break;
- case NSFontAntialiasedIntegerAdvancementsRenderingMode:
- style = kCGFontRenderingStyleAntialiasing;
- break;
- default:
- break;
- }
- }
- return style;
-}
-
-inline bool SimpleFontData::advanceForColorBitmapFont(Glyph glyph, CGSize& advance) const
-{
- NSFont *font = platformData().nsFont();
- if (!font || !platformData().isColorBitmapFont())
- return false;
- advance = NSSizeToCGSize([font advancementForGlyph:glyph]);
- return true;
-}
-#endif
-
-static bool hasCustomTracking(CTFontRef font)
-{
-#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < 1090
- UNUSED_PARAM(font);
- return false;
-#else
- return CTFontDescriptorIsSystemUIFont(adoptCF(CTFontCopyFontDescriptor(font)).get());
-#endif
-}
-
-static inline bool isEmoji(const FontPlatformData& platformData)
-{
-#if PLATFORM(IOS)
- return platformData.m_isEmoji;
-#else
- UNUSED_PARAM(platformData);
- return false;
-#endif
-}
-
-inline bool SimpleFontData::canUseFastGlyphAdvanceGetter(Glyph glyph, CGSize& advance, bool& populatedAdvance) const
-{
- // Fast getter doesn't take custom tracking into account
- if (hasCustomTracking(platformData().ctFont()))
- return false;
- // Fast getter doesn't work for emoji
- if (isEmoji(platformData()))
- return false;
- // ... or for any bitmap fonts in general
- if (advanceForColorBitmapFont(glyph, advance)) {
- populatedAdvance = true;
- return false;
- }
- return true;
-}
-
-float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
-{
- CGSize advance = CGSizeZero;
- bool horizontal = platformData().orientation() == Horizontal;
- bool populatedAdvance = false;
- if ((horizontal || m_isBrokenIdeographFallback) && canUseFastGlyphAdvanceGetter(glyph, advance, populatedAdvance)) {
- float pointSize = platformData().m_size;
- CGAffineTransform m = CGAffineTransformMakeScale(pointSize, pointSize);
- if (!CGFontGetGlyphAdvancesForStyle(platformData().cgFont(), &m, renderingStyle(), &glyph, 1, &advance)) {
- RetainPtr<CFStringRef> fullName = adoptCF(CGFontCopyFullName(platformData().cgFont()));
- LOG_ERROR("Unable to cache glyph widths for %@ %f", fullName.get(), pointSize);
- advance.width = 0;
- }
- } else if (!populatedAdvance)
- CTFontGetAdvancesForGlyphs(m_platformData.ctFont(), horizontal ? kCTFontHorizontalOrientation : kCTFontVerticalOrientation, &glyph, &advance, 1);
-
- return advance.width + m_syntheticBoldOffset;
-}
-
-struct ProviderInfo {
- const UChar* characters;
- size_t length;
- CFDictionaryRef attributes;
-};
-
-static const UniChar* provideStringAndAttributes(CFIndex stringIndex, CFIndex* count, CFDictionaryRef* attributes, void* context)
-{
- ProviderInfo* info = static_cast<struct ProviderInfo*>(context);
- if (stringIndex < 0 || static_cast<size_t>(stringIndex) >= info->length)
- return 0;
-
- *count = info->length - stringIndex;
- *attributes = info->attributes;
- return info->characters + stringIndex;
-}
-
-bool SimpleFontData::canRenderCombiningCharacterSequence(const UChar* characters, size_t length) const
-{
- ASSERT(isMainThread());
-
- if (!m_combiningCharacterSequenceSupport)
- m_combiningCharacterSequenceSupport = std::make_unique<HashMap<String, bool>>();
-
- WTF::HashMap<String, bool>::AddResult addResult = m_combiningCharacterSequenceSupport->add(String(characters, length), false);
- if (!addResult.isNewEntry)
- return addResult.iterator->value;
-
- RetainPtr<CFTypeRef> fontEqualityObject = platformData().objectForEqualityCheck();
-
- ProviderInfo info = { characters, length, getCFStringAttributes(0, platformData().orientation()) };
- RetainPtr<CTLineRef> line = adoptCF(CTLineCreateWithUniCharProvider(&provideStringAndAttributes, 0, &info));
-
- CFArrayRef runArray = CTLineGetGlyphRuns(line.get());
- CFIndex runCount = CFArrayGetCount(runArray);
-
- for (CFIndex r = 0; r < runCount; r++) {
- CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r));
- ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID());
- CFDictionaryRef runAttributes = CTRunGetAttributes(ctRun);
- CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(runAttributes, kCTFontAttributeName));
- if (!CFEqual(fontEqualityObject.get(), FontPlatformData::objectForEqualityCheck(runFont).get()))
- return false;
- }
-
- addResult.iterator->value = true;
- return true;
-}
-
-} // namespace WebCore
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontMacmmfromrev178517trunkSourceWebCoreplatformgraphicsmacFontMacmm"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebCore/platform/graphics/mac/FontMac.mm (from rev 178517, trunk/Source/WebCore/platform/graphics/mac/FontMac.mm) (0 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontMac.mm         (rev 0)
+++ trunk/Source/WebCore/platform/graphics/mac/FontMac.mm        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -0,0 +1,605 @@
</span><ins>+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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.
+ */
+
+#import "config.h"
+#import "FontCascade.h"
+
+#import "CoreGraphicsSPI.h"
+#import "CoreTextSPI.h"
+#import "DashArray.h"
+#import "GlyphBuffer.h"
+#import "GraphicsContext.h"
+#import "Logging.h"
+#import "SimpleFontData.h"
+#import "WebCoreSystemInterface.h"
+#if USE(APPKIT)
+#import <AppKit/AppKit.h>
+#endif
+#import <wtf/MathExtras.h>
+
+#if ENABLE(LETTERPRESS)
+#import "CoreUISPI.h"
+#import "SoftLinking.h"
+
+SOFT_LINK_PRIVATE_FRAMEWORK(CoreUI)
+SOFT_LINK_CLASS(CoreUI, CUICatalog)
+SOFT_LINK_CLASS(CoreUI, CUIStyleEffectConfiguration)
+
+SOFT_LINK_FRAMEWORK(UIKit)
+SOFT_LINK(UIKit, _UIKitGetTextEffectsCatalog, CUICatalog *, (void), ())
+#endif
+
+#define SYNTHETIC_OBLIQUE_ANGLE 14
+
+#ifdef __LP64__
+#define URefCon void*
+#else
+#define URefCon UInt32
+#endif
+
+namespace WebCore {
+
+bool FontCascade::canReturnFallbackFontsForComplexText()
+{
+ return true;
+}
+
+bool FontCascade::canExpandAroundIdeographsInComplexText()
+{
+ return true;
+}
+
+static inline void fillVectorWithHorizontalGlyphPositions(Vector<CGPoint, 256>& positions, CGContextRef context, const CGSize* advances, size_t count)
+{
+ CGAffineTransform matrix = CGAffineTransformInvert(CGContextGetTextMatrix(context));
+ positions[0] = CGPointZero;
+ for (size_t i = 1; i < count; ++i) {
+ CGSize advance = CGSizeApplyAffineTransform(advances[i - 1], matrix);
+ positions[i].x = positions[i - 1].x + advance.width;
+ positions[i].y = positions[i - 1].y + advance.height;
+ }
+}
+
+static inline bool shouldUseLetterpressEffect(const GraphicsContext& context)
+{
+#if ENABLE(LETTERPRESS)
+ return context.textDrawingMode() & TextModeLetterpress;
+#else
+ UNUSED_PARAM(context);
+ return false;
+#endif
+}
+
+static void showLetterpressedGlyphsWithAdvances(const FloatPoint& point, const SimpleFontData* font, CGContextRef context, const CGGlyph* glyphs, const CGSize* advances, size_t count)
+{
+#if ENABLE(LETTERPRESS)
+ if (!count)
+ return;
+
+ const FontPlatformData& platformData = font->platformData();
+ if (platformData.orientation() == Vertical) {
+ // FIXME: Implement support for vertical text. See <rdar://problem/13737298>.
+ return;
+ }
+
+ CGContextSetTextPosition(context, point.x(), point.y());
+ Vector<CGPoint, 256> positions(count);
+ fillVectorWithHorizontalGlyphPositions(positions, context, advances, count);
+
+ CTFontRef ctFont = platformData.ctFont();
+ CGContextSetFontSize(context, CTFontGetSize(ctFont));
+
+ static CUICatalog *catalog = _UIKitGetTextEffectsCatalog();
+ if (!catalog)
+ return;
+
+ static CUIStyleEffectConfiguration *styleConfiguration;
+ if (!styleConfiguration) {
+ styleConfiguration = [allocCUIStyleEffectConfigurationInstance() init];
+ styleConfiguration.useSimplifiedEffect = YES;
+ }
+
+ [catalog drawGlyphs:glyphs atPositions:positions.data() inContext:context withFont:ctFont count:count stylePresetName:@"_UIKitNewLetterpressStyle" styleConfiguration:styleConfiguration foregroundColor:CGContextGetFillColorAsColor(context)];
+#else
+ UNUSED_PARAM(point);
+ UNUSED_PARAM(font);
+ UNUSED_PARAM(context);
+ UNUSED_PARAM(glyphs);
+ UNUSED_PARAM(advances);
+ UNUSED_PARAM(count);
+#endif
+}
+
+static void showGlyphsWithAdvances(const FloatPoint& point, const SimpleFontData* font, CGContextRef context, const CGGlyph* glyphs, const CGSize* advances, size_t count)
+{
+ if (!count)
+ return;
+
+ CGContextSetTextPosition(context, point.x(), point.y());
+
+ const FontPlatformData& platformData = font->platformData();
+ Vector<CGPoint, 256> positions(count);
+ if (platformData.isColorBitmapFont())
+ fillVectorWithHorizontalGlyphPositions(positions, context, advances, count);
+ if (platformData.orientation() == Vertical) {
+ CGAffineTransform savedMatrix;
+ CGAffineTransform rotateLeftTransform = CGAffineTransformMake(0, -1, 1, 0, 0, 0);
+ savedMatrix = CGContextGetTextMatrix(context);
+ CGAffineTransform runMatrix = CGAffineTransformConcat(savedMatrix, rotateLeftTransform);
+ CGContextSetTextMatrix(context, runMatrix);
+
+ Vector<CGSize, 256> translations(count);
+ CTFontGetVerticalTranslationsForGlyphs(platformData.ctFont(), glyphs, translations.data(), count);
+
+ CGAffineTransform transform = CGAffineTransformInvert(CGContextGetTextMatrix(context));
+
+ CGPoint position = FloatPoint(point.x(), point.y() + font->fontMetrics().floatAscent(IdeographicBaseline) - font->fontMetrics().floatAscent());
+ for (size_t i = 0; i < count; ++i) {
+ CGSize translation = CGSizeApplyAffineTransform(translations[i], rotateLeftTransform);
+ positions[i] = CGPointApplyAffineTransform(CGPointMake(position.x - translation.width, position.y + translation.height), transform);
+ position.x += advances[i].width;
+ position.y += advances[i].height;
+ }
+ if (!platformData.isColorBitmapFont())
+ CGContextShowGlyphsAtPositions(context, glyphs, positions.data(), count);
+ else
+ CTFontDrawGlyphs(platformData.ctFont(), glyphs, positions.data(), count, context);
+ CGContextSetTextMatrix(context, savedMatrix);
+ } else {
+ if (!platformData.isColorBitmapFont())
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+ CGContextShowGlyphsWithAdvances(context, glyphs, advances, count);
+#pragma clang diagnostic pop
+ else
+ CTFontDrawGlyphs(platformData.ctFont(), glyphs, positions.data(), count, context);
+ }
+}
+
+#if PLATFORM(MAC)
+static void setCGFontRenderingMode(CGContextRef cgContext, NSFontRenderingMode renderingMode, BOOL shouldSubpixelQuantize)
+{
+ if (renderingMode == NSFontIntegerAdvancementsRenderingMode) {
+ CGContextSetShouldAntialiasFonts(cgContext, false);
+ return;
+ }
+
+ CGContextSetShouldAntialiasFonts(cgContext, true);
+
+ CGAffineTransform contextTransform = CGContextGetCTM(cgContext);
+ BOOL isTranslationOrIntegralScale = WTF::isIntegral(contextTransform.a) && WTF::isIntegral(contextTransform.d) && contextTransform.b == 0.f && contextTransform.c == 0.f;
+ BOOL isRotated = ((contextTransform.b || contextTransform.c) && (contextTransform.a || contextTransform.d));
+ BOOL doSubpixelQuantization = isTranslationOrIntegralScale || (!isRotated && shouldSubpixelQuantize);
+
+ CGContextSetShouldSubpixelPositionFonts(cgContext, renderingMode != NSFontAntialiasedIntegerAdvancementsRenderingMode || !isTranslationOrIntegralScale);
+ CGContextSetShouldSubpixelQuantizeFonts(cgContext, doSubpixelQuantization);
+}
+#endif
+
+void FontCascade::drawGlyphs(GraphicsContext* context, const SimpleFontData* font, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& anchorPoint) const
+{
+ const FontPlatformData& platformData = font->platformData();
+ if (!platformData.size())
+ return;
+
+ CGContextRef cgContext = context->platformContext();
+
+ bool shouldSmoothFonts;
+ bool changeFontSmoothing;
+
+ switch(fontDescription().fontSmoothing()) {
+ case Antialiased: {
+ context->setShouldAntialias(true);
+ shouldSmoothFonts = false;
+ changeFontSmoothing = true;
+ break;
+ }
+ case SubpixelAntialiased: {
+ context->setShouldAntialias(true);
+ shouldSmoothFonts = true;
+ changeFontSmoothing = true;
+ break;
+ }
+ case NoSmoothing: {
+ context->setShouldAntialias(false);
+ shouldSmoothFonts = false;
+ changeFontSmoothing = true;
+ break;
+ }
+ case AutoSmoothing: {
+ shouldSmoothFonts = true;
+ changeFontSmoothing = false;
+ break;
+ }
+ }
+
+ if (!shouldUseSmoothing()) {
+ shouldSmoothFonts = false;
+ changeFontSmoothing = true;
+ }
+
+#if !PLATFORM(IOS)
+ bool originalShouldUseFontSmoothing = false;
+ if (changeFontSmoothing) {
+ originalShouldUseFontSmoothing = CGContextGetShouldSmoothFonts(cgContext);
+ CGContextSetShouldSmoothFonts(cgContext, shouldSmoothFonts);
+ }
+#endif
+
+#if !PLATFORM(IOS)
+ NSFont* drawFont;
+ if (!isPrinterFont()) {
+ drawFont = [platformData.nsFont() screenFont];
+ if (drawFont != platformData.nsFont()) {
+ // We are getting this in too many places (3406411); use ERROR so it only prints on debug versions for now. (We should debug this also, eventually).
+ LOG_ERROR("Attempting to set non-screen font (%@) when drawing to screen. Using screen font anyway, may result in incorrect metrics.",
+ [[[platformData.nsFont() fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
+ }
+ } else {
+ drawFont = [platformData.nsFont() printerFont];
+ if (drawFont != platformData.nsFont()) {
+ NSLog(@"Attempting to set non-printer font (%@) when printing. Using printer font anyway, may result in incorrect metrics.",
+ [[[platformData.nsFont() fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
+ }
+ }
+#endif
+
+ CGContextSetFont(cgContext, platformData.cgFont());
+
+ bool useLetterpressEffect = shouldUseLetterpressEffect(*context);
+ FloatPoint point = anchorPoint;
+#if PLATFORM(IOS)
+ float fontSize = platformData.size();
+ CGAffineTransform matrix = useLetterpressEffect || platformData.isColorBitmapFont() ? CGAffineTransformIdentity : CGAffineTransformMakeScale(fontSize, fontSize);
+ if (platformData.m_isEmoji) {
+ if (!context->emojiDrawingEnabled())
+ return;
+
+ // Mimic the positioining of non-bitmap glyphs, which are not subpixel-positioned.
+ point.setY(ceilf(point.y()));
+
+ // Emoji glyphs snap to the CSS pixel grid.
+ point.setX(floorf(point.x()));
+
+ // Emoji glyphs are offset one CSS pixel to the right.
+ point.move(1, 0);
+
+ // Emoji glyphs are offset vertically based on font size.
+ float y = point.y();
+ if (fontSize <= 15) {
+ // Undo Core Text's y adjustment.
+ static float yAdjustmentFactor = iosExecutableWasLinkedOnOrAfterVersion(wkIOSSystemVersion_6_0) ? .19 : .1;
+ point.setY(floorf(y - yAdjustmentFactor * (fontSize + 2) + 2));
+ } else {
+ if (fontSize < 26)
+ y -= .35f * fontSize - 10;
+
+ // Undo Core Text's y adjustment.
+ static float yAdjustment = iosExecutableWasLinkedOnOrAfterVersion(wkIOSSystemVersion_6_0) ? 3.8 : 2;
+ point.setY(floorf(y - yAdjustment));
+ }
+ }
+#else
+ CGAffineTransform matrix = CGAffineTransformIdentity;
+ if (drawFont && !platformData.isColorBitmapFont())
+ memcpy(&matrix, [drawFont matrix], sizeof(matrix));
+#endif
+ matrix.b = -matrix.b;
+ matrix.d = -matrix.d;
+ if (platformData.m_syntheticOblique) {
+ static float obliqueSkew = tanf(SYNTHETIC_OBLIQUE_ANGLE * piFloat / 180);
+ if (platformData.orientation() == Vertical)
+ matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, obliqueSkew, 0, 1, 0, 0));
+ else
+ matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, -obliqueSkew, 1, 0, 0));
+ }
+ CGContextSetTextMatrix(cgContext, matrix);
+
+#if PLATFORM(IOS)
+ CGContextSetFontSize(cgContext, 1);
+ CGContextSetShouldSubpixelQuantizeFonts(cgContext, context->shouldSubpixelQuantizeFonts());
+#else
+ setCGFontRenderingMode(cgContext, [drawFont renderingMode], context->shouldSubpixelQuantizeFonts());
+ if (drawFont)
+ CGContextSetFontSize(cgContext, 1);
+ else
+ CGContextSetFontSize(cgContext, platformData.m_size);
+#endif
+
+
+ FloatSize shadowOffset;
+ float shadowBlur;
+ Color shadowColor;
+ ColorSpace shadowColorSpace;
+ ColorSpace fillColorSpace = context->fillColorSpace();
+ context->getShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);
+
+ AffineTransform contextCTM = context->getCTM();
+ float syntheticBoldOffset = font->syntheticBoldOffset();
+ if (syntheticBoldOffset && !contextCTM.isIdentityOrTranslationOrFlipped()) {
+ FloatSize horizontalUnitSizeInDevicePixels = contextCTM.mapSize(FloatSize(1, 0));
+ float horizontalUnitLengthInDevicePixels = sqrtf(horizontalUnitSizeInDevicePixels.width() * horizontalUnitSizeInDevicePixels.width() + horizontalUnitSizeInDevicePixels.height() * horizontalUnitSizeInDevicePixels.height());
+ if (horizontalUnitLengthInDevicePixels)
+ syntheticBoldOffset /= horizontalUnitLengthInDevicePixels;
+ };
+
+ bool hasSimpleShadow = context->textDrawingMode() == TextModeFill && shadowColor.isValid() && !shadowBlur && !platformData.isColorBitmapFont() && (!context->shadowsIgnoreTransforms() || contextCTM.isIdentityOrTranslationOrFlipped()) && !context->isInTransparencyLayer();
+ if (hasSimpleShadow) {
+ // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing.
+ context->clearShadow();
+ Color fillColor = context->fillColor();
+ Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
+ context->setFillColor(shadowFillColor, shadowColorSpace);
+ float shadowTextX = point.x() + shadowOffset.width();
+ // If shadows are ignoring transforms, then we haven't applied the Y coordinate flip yet, so down is negative.
+ float shadowTextY = point.y() + shadowOffset.height() * (context->shadowsIgnoreTransforms() ? -1 : 1);
+ showGlyphsWithAdvances(FloatPoint(shadowTextX, shadowTextY), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
+#if !PLATFORM(IOS)
+ if (syntheticBoldOffset)
+#else
+ if (syntheticBoldOffset && !platformData.m_isEmoji)
+#endif
+ showGlyphsWithAdvances(FloatPoint(shadowTextX + syntheticBoldOffset, shadowTextY), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
+ context->setFillColor(fillColor, fillColorSpace);
+ }
+
+ if (useLetterpressEffect)
+ showLetterpressedGlyphsWithAdvances(point, font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
+ else
+ showGlyphsWithAdvances(point, font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
+#if !PLATFORM(IOS)
+ if (syntheticBoldOffset)
+#else
+ if (syntheticBoldOffset && !platformData.m_isEmoji)
+#endif
+ showGlyphsWithAdvances(FloatPoint(point.x() + syntheticBoldOffset, point.y()), font, cgContext, glyphBuffer.glyphs(from), static_cast<const CGSize*>(glyphBuffer.advances(from)), numGlyphs);
+
+ if (hasSimpleShadow)
+ context->setShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);
+
+#if !PLATFORM(IOS)
+ if (changeFontSmoothing)
+ CGContextSetShouldSmoothFonts(cgContext, originalShouldUseFontSmoothing);
+#endif
+}
+
+#if ENABLE(CSS3_TEXT_DECORATION_SKIP_INK)
+struct GlyphIterationState {
+ GlyphIterationState(CGPoint startingPoint, CGPoint currentPoint, CGFloat y1, CGFloat y2, CGFloat minX, CGFloat maxX)
+ : startingPoint(startingPoint)
+ , currentPoint(currentPoint)
+ , y1(y1)
+ , y2(y2)
+ , minX(minX)
+ , maxX(maxX)
+ {
+ }
+ CGPoint startingPoint;
+ CGPoint currentPoint;
+ CGFloat y1;
+ CGFloat y2;
+ CGFloat minX;
+ CGFloat maxX;
+};
+
+static bool findIntersectionPoint(float y, CGPoint p1, CGPoint p2, CGFloat& x)
+{
+ x = p1.x + (y - p1.y) * (p2.x - p1.x) / (p2.y - p1.y);
+ return (p1.y < y && p2.y > y) || (p1.y > y && p2.y < y);
+}
+
+static void updateX(GlyphIterationState& state, CGFloat x)
+{
+ state.minX = std::min(state.minX, x);
+ state.maxX = std::max(state.maxX, x);
+}
+
+// This function is called by CGPathApply and is therefore invoked for each
+// contour in a glyph. This function models each contours as a straight line
+// and calculates the intersections between each pseudo-contour and
+// two horizontal lines (the upper and lower bounds of an underline) found in
+// GlyphIterationState::y1 and GlyphIterationState::y2. It keeps track of the
+// leftmost and rightmost intersection in GlyphIterationState::minX and
+// GlyphIterationState::maxX.
+static void findPathIntersections(void* stateAsVoidPointer, const CGPathElement* e)
+{
+ auto& state = *static_cast<GlyphIterationState*>(stateAsVoidPointer);
+ bool doIntersection = false;
+ CGPoint point = CGPointZero;
+ switch (e->type) {
+ case kCGPathElementMoveToPoint:
+ state.startingPoint = e->points[0];
+ state.currentPoint = e->points[0];
+ break;
+ case kCGPathElementAddLineToPoint:
+ doIntersection = true;
+ point = e->points[0];
+ break;
+ case kCGPathElementAddQuadCurveToPoint:
+ doIntersection = true;
+ point = e->points[1];
+ break;
+ case kCGPathElementAddCurveToPoint:
+ doIntersection = true;
+ point = e->points[2];
+ break;
+ case kCGPathElementCloseSubpath:
+ doIntersection = true;
+ point = state.startingPoint;
+ break;
+ }
+ if (!doIntersection)
+ return;
+ CGFloat x;
+ if (findIntersectionPoint(state.y1, state.currentPoint, point, x))
+ updateX(state, x);
+ if (findIntersectionPoint(state.y2, state.currentPoint, point, x))
+ updateX(state, x);
+ if ((state.currentPoint.y >= state.y1 && state.currentPoint.y <= state.y2)
+ || (state.currentPoint.y <= state.y1 && state.currentPoint.y >= state.y2))
+ updateX(state, state.currentPoint.x);
+ state.currentPoint = point;
+}
+
+class MacGlyphToPathTranslator final : public GlyphToPathTranslator {
+public:
+ MacGlyphToPathTranslator(const TextRun& textRun, const GlyphBuffer& glyphBuffer, const FloatPoint& textOrigin)
+ : m_index(0)
+ , m_textRun(textRun)
+ , m_glyphBuffer(glyphBuffer)
+ , m_fontData(glyphBuffer.fontDataAt(m_index))
+ , m_translation(CGAffineTransformScale(CGAffineTransformMakeTranslation(textOrigin.x(), textOrigin.y()), 1, -1))
+ {
+ moveToNextValidGlyph();
+ }
+private:
+ virtual bool containsMorePaths() override
+ {
+ return m_index != m_glyphBuffer.size();
+ }
+ virtual Path path() override;
+ virtual std::pair<float, float> extents() override;
+ virtual GlyphUnderlineType underlineType() override;
+ virtual void advance() override;
+ void moveToNextValidGlyph();
+
+ int m_index;
+ const TextRun& m_textRun;
+ const GlyphBuffer& m_glyphBuffer;
+ const SimpleFontData* m_fontData;
+ CGAffineTransform m_translation;
+};
+
+Path MacGlyphToPathTranslator::path()
+{
+ RetainPtr<CGPathRef> result = adoptCF(CTFontCreatePathForGlyph(m_fontData->platformData().ctFont(), m_glyphBuffer.glyphAt(m_index), &m_translation));
+ return adoptCF(CGPathCreateMutableCopy(result.get()));
+}
+
+std::pair<float, float> MacGlyphToPathTranslator::extents()
+{
+ CGPoint beginning = CGPointApplyAffineTransform(CGPointMake(0, 0), m_translation);
+ CGSize end = CGSizeApplyAffineTransform(m_glyphBuffer.advanceAt(m_index), m_translation);
+ return std::make_pair(static_cast<float>(beginning.x), static_cast<float>(beginning.x + end.width));
+}
+
+auto MacGlyphToPathTranslator::underlineType() -> GlyphUnderlineType
+{
+ return computeUnderlineType(m_textRun, m_glyphBuffer, m_index);
+}
+
+void MacGlyphToPathTranslator::moveToNextValidGlyph()
+{
+ if (!m_fontData->isSVGFont())
+ return;
+ advance();
+}
+
+void MacGlyphToPathTranslator::advance()
+{
+ do {
+ GlyphBufferAdvance advance = m_glyphBuffer.advanceAt(m_index);
+ m_translation = CGAffineTransformTranslate(m_translation, advance.width(), advance.height());
+ ++m_index;
+ if (m_index >= m_glyphBuffer.size())
+ break;
+ m_fontData = m_glyphBuffer.fontDataAt(m_index);
+ } while (m_fontData->isSVGFont() && m_index < m_glyphBuffer.size());
+}
+
+DashArray FontCascade::dashesForIntersectionsWithRect(const TextRun& run, const FloatPoint& textOrigin, const FloatRect& lineExtents) const
+{
+ if (isLoadingCustomFonts())
+ return DashArray();
+
+ GlyphBuffer glyphBuffer;
+ glyphBuffer.saveOffsetsInString();
+ float deltaX;
+ if (codePath(run) != FontCascade::Complex)
+ deltaX = getGlyphsAndAdvancesForSimpleText(run, 0, run.length(), glyphBuffer);
+ else
+ deltaX = getGlyphsAndAdvancesForComplexText(run, 0, run.length(), glyphBuffer);
+
+ if (!glyphBuffer.size())
+ return DashArray();
+
+ // FIXME: Handle SVG + non-SVG interleaved runs. https://bugs.webkit.org/show_bug.cgi?id=133778
+ const SimpleFontData* fontData = glyphBuffer.fontDataAt(0);
+ std::unique_ptr<GlyphToPathTranslator> translator;
+ bool isSVG = false;
+ FloatPoint origin = FloatPoint(textOrigin.x() + deltaX, textOrigin.y());
+ if (!fontData->isSVGFont())
+ translator = std::make_unique<MacGlyphToPathTranslator>(run, glyphBuffer, origin);
+ else {
+ TextRun::RenderingContext* renderingContext = run.renderingContext();
+ if (!renderingContext)
+ return DashArray();
+ translator = renderingContext->createGlyphToPathTranslator(*fontData, &run, glyphBuffer, 0, glyphBuffer.size(), origin);
+ isSVG = true;
+ }
+ DashArray result;
+ for (int index = 0; translator->containsMorePaths(); ++index, translator->advance()) {
+ GlyphIterationState info = GlyphIterationState(CGPointMake(0, 0), CGPointMake(0, 0), lineExtents.y(), lineExtents.y() + lineExtents.height(), lineExtents.x() + lineExtents.width(), lineExtents.x());
+ const SimpleFontData* localFontData = glyphBuffer.fontDataAt(index);
+ if (!localFontData || (!isSVG && localFontData->isSVGFont()) || (isSVG && localFontData != fontData)) {
+ // The advances will get all messed up if we do anything other than bail here.
+ result.clear();
+ break;
+ }
+ switch (translator->underlineType()) {
+ case GlyphToPathTranslator::GlyphUnderlineType::SkipDescenders: {
+ Path path = translator->path();
+ CGPathApply(path.platformPath(), &info, &findPathIntersections);
+ if (info.minX < info.maxX) {
+ result.append(info.minX - lineExtents.x());
+ result.append(info.maxX - lineExtents.x());
+ }
+ break;
+ }
+ case GlyphToPathTranslator::GlyphUnderlineType::SkipGlyph: {
+ std::pair<float, float> extents = translator->extents();
+ result.append(extents.first - lineExtents.x());
+ result.append(extents.second - lineExtents.x());
+ break;
+ }
+ case GlyphToPathTranslator::GlyphUnderlineType::DrawOverGlyph:
+ // Nothing to do
+ break;
+ }
+ }
+ return result;
+}
+#endif
+
+bool FontCascade::primaryFontDataIsSystemFont() const
+{
+#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED > 1090
+ const auto& fontData = primaryFontData();
+ return !fontData.isSVGFont() && CTFontDescriptorIsSystemUIFont(adoptCF(CTFontCopyFontDescriptor(fontData.platformData().ctFont())).get());
+#else
+ // System fonts are hidden by having a name that begins with a period, so simply search
+ // for that here rather than try to keep the list up to date.
+ return firstFamily().startsWith('.');
+#endif
+}
+
+}
</ins></span></pre></div>
<a id="trunkSourceWebCoreplatformwinDragImageWincpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/win/DragImageWin.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/win/DragImageWin.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/win/DragImageWin.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -27,7 +27,7 @@
</span><span class="cx"> #include "DragImage.h"
</span><span class="cx">
</span><span class="cx"> #include "FloatRoundedRect.h"
</span><del>-#include "FontCascade.h"
</del><ins>+#include "Font.h"
</ins><span class="cx"> #include "FontDescription.h"
</span><span class="cx"> #include "FontSelector.h"
</span><span class="cx"> #include "GraphicsContext.h"
</span><span class="lines">@@ -101,9 +101,9 @@
</span><span class="cx"> const float DragLinkLabelFontsize = 11;
</span><span class="cx"> const float DragLinkUrlFontSize = 10;
</span><span class="cx">
</span><del>-static FontCascade dragLabelFont(int size, bool bold, FontRenderingMode renderingMode)
</del><ins>+static Font dragLabelFont(int size, bool bold, FontRenderingMode renderingMode)
</ins><span class="cx"> {
</span><del>- FontCascade result;
</del><ins>+ Font result;
</ins><span class="cx"> NONCLIENTMETRICS metrics;
</span><span class="cx"> metrics.cbSize = sizeof(metrics);
</span><span class="cx"> SystemParametersInfo(SPI_GETNONCLIENTMETRICS, metrics.cbSize, &metrics, 0);
</span><span class="lines">@@ -114,7 +114,7 @@
</span><span class="cx"> description.setSpecifiedSize((float)size);
</span><span class="cx"> description.setComputedSize((float)size);
</span><span class="cx"> description.setRenderingMode(renderingMode);
</span><del>- result = FontCascade(description, 0, 0);
</del><ins>+ result = Font(description, 0, 0);
</ins><span class="cx"> result.update(0);
</span><span class="cx"> return result;
</span><span class="cx"> }
</span><span class="lines">@@ -123,8 +123,8 @@
</span><span class="cx"> {
</span><span class="cx"> // This is more or less an exact match for the Mac OS X code.
</span><span class="cx">
</span><del>- const FontCascade* labelFont;
- const FontCascade* urlFont;
</del><ins>+ const Font* labelFont;
+ const Font* urlFont;
</ins><span class="cx">
</span><span class="cx"> if (fontRenderingMode == AlternateRenderingMode) {
</span><span class="cx"> static const Font alternateRenderingModeLabelFont = dragLabelFont(DragLinkLabelFontsize, true, AlternateRenderingMode);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformwinPopupMenuWincpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/win/PopupMenuWin.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/win/PopupMenuWin.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/win/PopupMenuWin.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -335,11 +335,11 @@
</span><span class="cx"> if (text.isEmpty())
</span><span class="cx"> continue;
</span><span class="cx">
</span><del>- FontCascade itemFont = client()->menuStyle().font();
</del><ins>+ Font itemFont = client()->menuStyle().font();
</ins><span class="cx"> if (client()->itemIsLabel(i)) {
</span><span class="cx"> FontDescription d = itemFont.fontDescription();
</span><span class="cx"> d.setWeight(d.bolderWeight());
</span><del>- itemFont = FontCascade(d, itemFont.letterSpacing(), itemFont.wordSpacing());
</del><ins>+ itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
</ins><span class="cx"> itemFont.update(m_popupClient->fontSelector());
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -641,11 +641,11 @@
</span><span class="cx"> TextRun textRun(itemText, 0, 0, TextRun::AllowTrailingExpansion, itemStyle.textDirection(), itemStyle.hasTextDirectionOverride());
</span><span class="cx"> context.setFillColor(optionTextColor, ColorSpaceDeviceRGB);
</span><span class="cx">
</span><del>- FontCascade itemFont = client()->menuStyle().font();
</del><ins>+ Font itemFont = client()->menuStyle().font();
</ins><span class="cx"> if (client()->itemIsLabel(index)) {
</span><span class="cx"> FontDescription d = itemFont.fontDescription();
</span><span class="cx"> d.setWeight(d.bolderWeight());
</span><del>- itemFont = FontCascade(d, itemFont.letterSpacing(), itemFont.wordSpacing());
</del><ins>+ itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
</ins><span class="cx"> itemFont.update(m_popupClient->fontSelector());
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformwinWebCoreTextRenderercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/win/WebCoreTextRenderer.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/win/WebCoreTextRenderer.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/platform/win/WebCoreTextRenderer.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -25,7 +25,7 @@
</span><span class="cx"> #include "config.h"
</span><span class="cx"> #include "WebCoreTextRenderer.h"
</span><span class="cx">
</span><del>-#include "FontCascade.h"
</del><ins>+#include "Font.h"
</ins><span class="cx"> #include "FontDescription.h"
</span><span class="cx"> #include "GraphicsContext.h"
</span><span class="cx"> #include "StringTruncator.h"
</span><span class="lines">@@ -45,7 +45,7 @@
</span><span class="cx"> return true;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static void doDrawTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const FontCascade& font, const Color& color, int underlinedIndex)
</del><ins>+static void doDrawTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const Font& font, const Color& color, int underlinedIndex)
</ins><span class="cx"> {
</span><span class="cx"> TextRun run(text);
</span><span class="cx">
</span><span class="lines">@@ -76,7 +76,7 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void WebCoreDrawDoubledTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const FontCascade& font, const Color& topColor, const Color& bottomColor, int underlinedIndex)
</del><ins>+void WebCoreDrawDoubledTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const Font& font, const Color& topColor, const Color& bottomColor, int underlinedIndex)
</ins><span class="cx"> {
</span><span class="cx"> context.save();
</span><span class="cx">
</span><span class="lines">@@ -89,7 +89,7 @@
</span><span class="cx"> context.restore();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-float WebCoreTextFloatWidth(const String& text, const FontCascade& font)
</del><ins>+float WebCoreTextFloatWidth(const String& text, const Font& font)
</ins><span class="cx"> {
</span><span class="cx"> return StringTruncator::width(text, font, StringTruncator::EnableRoundingHacks);
</span><span class="cx"> }
</span><span class="lines">@@ -106,12 +106,12 @@
</span><span class="cx">
</span><span class="cx"> void WebCoreSetAlwaysUsesComplexTextCodePath(bool complex)
</span><span class="cx"> {
</span><del>- Font::setCodePath(complex ? FontCascade::Complex : FontCascade::Auto);
</del><ins>+ Font::setCodePath(complex ? Font::Complex : Font::Auto);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool WebCoreAlwaysUsesComplexTextCodePath()
</span><span class="cx"> {
</span><del>- return Font::codePath() == FontCascade::Complex;
</del><ins>+ return Font::codePath() == Font::Complex;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderThemeSafaricpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderThemeSafari.cpp (178518 => 178519)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderThemeSafari.cpp        2015-01-15 19:29:05 UTC (rev 178518)
+++ trunk/Source/WebCore/rendering/RenderThemeSafari.cpp        2015-01-15 19:34:51 UTC (rev 178519)
</span><span class="lines">@@ -401,7 +401,7 @@
</span><span class="cx"> style.setLineHeight(RenderStyle::initialLineHeight());
</span><span class="cx">
</span><span class="cx"> if (style.setFontDescription(fontDescription))
</span><del>- style.fontCascade().update(styleResolver.fontSelector());
</del><ins>+ style.font().update(styleResolver.fontSelector());
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> NSControlSize RenderThemeSafari::controlSizeForSystemFont(RenderStyle& style) const
</span></span></pre>
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