diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/chromium/third_party/WebKit/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp b/chromium/third_party/WebKit/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp deleted file mode 100644 index e86b3416a04..00000000000 --- a/chromium/third_party/WebKit/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright (c) 2006, 2007, 2008, Google 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: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.h" - -#include "RuntimeEnabledFeatures.h" -#include "SkPaint.h" -#include "SkTypeface.h" -#include "core/platform/NotImplemented.h" -#include "core/platform/graphics/FontCache.h" -#include "core/platform/graphics/harfbuzz/HarfBuzzFace.h" - -#include "public/platform/linux/WebFontInfo.h" -#include "public/platform/linux/WebFontRenderStyle.h" -#include "public/platform/linux/WebSandboxSupport.h" -#include "public/platform/Platform.h" -#include "wtf/text/StringImpl.h" -#include "wtf/text/WTFString.h" - -namespace WebCore { - -static SkPaint::Hinting skiaHinting = SkPaint::kNormal_Hinting; -static bool useSkiaAutoHint = true; -static bool useSkiaBitmaps = true; -static bool useSkiaAntiAlias = true; -static bool useSkiaSubpixelRendering = false; -static bool useSkiaSubpixelPositioning = false; - -void FontPlatformData::setHinting(SkPaint::Hinting hinting) -{ - skiaHinting = hinting; -} - -void FontPlatformData::setAutoHint(bool useAutoHint) -{ - useSkiaAutoHint = useAutoHint; -} - -void FontPlatformData::setUseBitmaps(bool useBitmaps) -{ - useSkiaBitmaps = useBitmaps; -} - -void FontPlatformData::setAntiAlias(bool useAntiAlias) -{ - useSkiaAntiAlias = useAntiAlias; -} - -void FontPlatformData::setSubpixelRendering(bool useSubpixelRendering) -{ - useSkiaSubpixelRendering = useSubpixelRendering; -} - -void FontPlatformData::setSubpixelPositioning(bool useSubpixelPositioning) -{ - useSkiaSubpixelPositioning = useSubpixelPositioning; -} - -FontPlatformData::FontPlatformData(WTF::HashTableDeletedValueType) - : m_textSize(0) - , m_emSizeInFontUnits(0) - , m_fakeBold(false) - , m_fakeItalic(false) - , m_orientation(Horizontal) - , m_isHashTableDeletedValue(true) -{ -} - -FontPlatformData::FontPlatformData() - : m_textSize(0) - , m_emSizeInFontUnits(0) - , m_fakeBold(false) - , m_fakeItalic(false) - , m_orientation(Horizontal) - , m_isHashTableDeletedValue(false) -{ -} - -FontPlatformData::FontPlatformData(float textSize, bool fakeBold, bool fakeItalic) - : m_textSize(textSize) - , m_emSizeInFontUnits(0) - , m_fakeBold(fakeBold) - , m_fakeItalic(fakeItalic) - , m_orientation(Horizontal) - , m_isHashTableDeletedValue(false) -{ -} - -FontPlatformData::FontPlatformData(const FontPlatformData& src) - : m_typeface(src.m_typeface) - , m_family(src.m_family) - , m_textSize(src.m_textSize) - , m_emSizeInFontUnits(src.m_emSizeInFontUnits) - , m_fakeBold(src.m_fakeBold) - , m_fakeItalic(src.m_fakeItalic) - , m_orientation(src.m_orientation) - , m_style(src.m_style) - , m_harfBuzzFace(src.m_harfBuzzFace) - , m_isHashTableDeletedValue(false) -{ -} - -FontPlatformData::FontPlatformData(SkTypeface* tf, const char* family, float textSize, bool fakeBold, bool fakeItalic, FontOrientation orientation) - : m_typeface(tf) - , m_family(family) - , m_textSize(textSize) - , m_emSizeInFontUnits(0) - , m_fakeBold(fakeBold) - , m_fakeItalic(fakeItalic) - , m_orientation(orientation) - , m_isHashTableDeletedValue(false) -{ - querySystemForRenderStyle(); -} - -FontPlatformData::FontPlatformData(const FontPlatformData& src, float textSize) - : m_typeface(src.m_typeface) - , m_family(src.m_family) - , m_textSize(textSize) - , m_emSizeInFontUnits(src.m_emSizeInFontUnits) - , m_fakeBold(src.m_fakeBold) - , m_fakeItalic(src.m_fakeItalic) - , m_orientation(src.m_orientation) - , m_harfBuzzFace(src.m_harfBuzzFace) - , m_isHashTableDeletedValue(false) -{ - querySystemForRenderStyle(); -} - -FontPlatformData::~FontPlatformData() -{ -} - -int FontPlatformData::emSizeInFontUnits() const -{ - if (m_emSizeInFontUnits) - return m_emSizeInFontUnits; - - m_emSizeInFontUnits = m_typeface->getUnitsPerEm(); - return m_emSizeInFontUnits; -} - -FontPlatformData& FontPlatformData::operator=(const FontPlatformData& src) -{ - m_typeface = src.m_typeface; - m_family = src.m_family; - m_textSize = src.m_textSize; - m_fakeBold = src.m_fakeBold; - m_fakeItalic = src.m_fakeItalic; - m_harfBuzzFace = src.m_harfBuzzFace; - m_orientation = src.m_orientation; - m_style = src.m_style; - m_emSizeInFontUnits = src.m_emSizeInFontUnits; - - return *this; -} - -#ifndef NDEBUG -String FontPlatformData::description() const -{ - return String(); -} -#endif - -void FontPlatformData::setupPaint(SkPaint* paint) const -{ - paint->setAntiAlias(m_style.useAntiAlias); - paint->setHinting(static_cast<SkPaint::Hinting>(m_style.hintStyle)); - paint->setEmbeddedBitmapText(m_style.useBitmaps); - paint->setAutohinted(m_style.useAutoHint); - paint->setSubpixelText(m_style.useSubpixelPositioning || RuntimeEnabledFeatures::subpixelFontScalingEnabled()); - if (m_style.useAntiAlias) - paint->setLCDRenderText(m_style.useSubpixelRendering); - - const float ts = m_textSize >= 0 ? m_textSize : 12; - paint->setTextSize(SkFloatToScalar(ts)); - paint->setTypeface(m_typeface.get()); - paint->setFakeBoldText(m_fakeBold); - paint->setTextSkewX(m_fakeItalic ? -SK_Scalar1 / 4 : 0); -} - -SkFontID FontPlatformData::uniqueID() const -{ - return m_typeface->uniqueID(); -} - -String FontPlatformData::fontFamilyName() const -{ - SkTypeface::LocalizedStrings* fontFamilyIterator = this->typeface()->createFamilyNameIterator(); - SkTypeface::LocalizedString localizedString; - while (fontFamilyIterator->next(&localizedString) && !localizedString.fString.size()) { } - fontFamilyIterator->unref(); - return String(localizedString.fString.c_str()); -} - -bool FontPlatformData::operator==(const FontPlatformData& a) const -{ - // If either of the typeface pointers are null then we test for pointer - // equality. Otherwise, we call SkTypeface::Equal on the valid pointers. - bool typefacesEqual; - if (!m_typeface || !a.m_typeface) - typefacesEqual = m_typeface == a.m_typeface; - else - typefacesEqual = SkTypeface::Equal(m_typeface.get(), a.m_typeface.get()); - - return typefacesEqual - && m_textSize == a.m_textSize - && m_fakeBold == a.m_fakeBold - && m_fakeItalic == a.m_fakeItalic - && m_orientation == a.m_orientation - && m_style == a.m_style - && m_isHashTableDeletedValue == a.m_isHashTableDeletedValue; -} - -unsigned FontPlatformData::hash() const -{ - unsigned h = SkTypeface::UniqueID(m_typeface.get()); - h ^= 0x01010101 * ((static_cast<int>(m_orientation) << 2) | (static_cast<int>(m_fakeBold) << 1) | static_cast<int>(m_fakeItalic)); - - // This memcpy is to avoid a reinterpret_cast that breaks strict-aliasing - // rules. Memcpy is generally optimized enough so that performance doesn't - // matter here. - uint32_t textSizeBytes; - memcpy(&textSizeBytes, &m_textSize, sizeof(uint32_t)); - h ^= textSizeBytes; - - return h; -} - -bool FontPlatformData::isFixedPitch() const -{ - notImplemented(); - return false; -} - -HarfBuzzFace* FontPlatformData::harfBuzzFace() const -{ - if (!m_harfBuzzFace) - m_harfBuzzFace = HarfBuzzFace::create(const_cast<FontPlatformData*>(this), uniqueID()); - - return m_harfBuzzFace.get(); -} - -void FontPlatformData::getRenderStyleForStrike(const char* font, int sizeAndStyle) -{ - WebKit::WebFontRenderStyle style; - -#if OS(ANDROID) - style.setDefaults(); -#else - if (!font || !*font) - style.setDefaults(); // It's probably a webfont. Take the system defaults. - else if (WebKit::Platform::current()->sandboxSupport()) - WebKit::Platform::current()->sandboxSupport()->getRenderStyleForStrike(font, sizeAndStyle, &style); - else - WebKit::WebFontInfo::renderStyleForStrike(font, sizeAndStyle, &style); -#endif - - style.toFontRenderStyle(&m_style); -} - -void FontPlatformData::querySystemForRenderStyle() -{ - getRenderStyleForStrike(m_family.data(), (((int)m_textSize) << 2) | (m_typeface->style() & 3)); - - // Fix FontRenderStyle::NoPreference to actual styles. - if (m_style.useAntiAlias == FontRenderStyle::NoPreference) - m_style.useAntiAlias = useSkiaAntiAlias; - - if (!m_style.useHinting) - m_style.hintStyle = SkPaint::kNo_Hinting; - else if (m_style.useHinting == FontRenderStyle::NoPreference) - m_style.hintStyle = skiaHinting; - - if (m_style.useBitmaps == FontRenderStyle::NoPreference) - m_style.useBitmaps = useSkiaBitmaps; - if (m_style.useAutoHint == FontRenderStyle::NoPreference) - m_style.useAutoHint = useSkiaAutoHint; - if (m_style.useSubpixelPositioning == FontRenderStyle::NoPreference) - m_style.useSubpixelPositioning = useSkiaSubpixelPositioning; - if (m_style.useAntiAlias == FontRenderStyle::NoPreference) - m_style.useAntiAlias = useSkiaAntiAlias; - if (m_style.useSubpixelRendering == FontRenderStyle::NoPreference) - m_style.useSubpixelRendering = useSkiaSubpixelRendering; -} - -} // namespace WebCore |