Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp

Index: Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp
diff --git a/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp b/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp
deleted file mode 100644
index 48d43c7dde5e099099f18b58c8290493875b2769..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp
+++ /dev/null
@@ -1,302 +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 "SkTypeface.h"
-#include "platform/LayoutTestSupport.h"
-#include "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/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;
-
-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;
-}
-
-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(0)
-    , m_isHashTableDeletedValue(false)
-{
-}
-
-FontPlatformData::FontPlatformData(PassRefPtr<SkTypeface> tf, const char* family, float textSize, bool fakeBold, bool fakeItalic, FontOrientation orientation, bool subpixelTextPosition)
-    : 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(subpixelTextPosition);
-}
-
-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(0)
-    , m_isHashTableDeletedValue(false)
-{
-    querySystemForRenderStyle(FontDescription::subpixelPositioning());
-}
-
-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 = 0;
-    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, GraphicsContext* context) const
-{
-    UNUSED_PARAM(context);
-    paint->setAntiAlias(m_style.useAntiAlias);
-    paint->setHinting(static_cast<SkPaint::Hinting>(m_style.hintStyle));
-    paint->setEmbeddedBitmapText(m_style.useBitmaps);
-    paint->setAutohinted(m_style.useAutoHint);
-    if (m_style.useAntiAlias)
-        paint->setLCDRenderText(m_style.useSubpixelRendering);
-
-    // TestRunner specifically toggles the subpixel positioning flag.
-    if (RuntimeEnabledFeatures::subpixelFontScalingEnabled() && !isRunningLayoutTest())
-        paint->setSubpixelText(true);
-    else
-        paint->setSubpixelText(m_style.useSubpixelPositioning);
-
-    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;
-}
-
-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)
-{
-    blink::WebFontRenderStyle style;
-
-#if OS(ANDROID)
-    style.setDefaults();
-#else
-    if (!font || !*font)
-        style.setDefaults(); // It's probably a webfont. Take the system defaults.
-    else if (blink::Platform::current()->sandboxSupport())
-        blink::Platform::current()->sandboxSupport()->getRenderStyleForStrike(font, sizeAndStyle, &style);
-    else
-        blink::WebFontInfo::renderStyleForStrike(font, sizeAndStyle, &style);
-#endif
-
-    style.toFontRenderStyle(&m_style);
-}
-
-void FontPlatformData::querySystemForRenderStyle(bool useSkiaSubpixelPositioning)
-{
-    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.useAntiAlias == FontRenderStyle::NoPreference)
-        m_style.useAntiAlias = useSkiaAntiAlias;
-    if (m_style.useSubpixelRendering == FontRenderStyle::NoPreference)
-        m_style.useSubpixelRendering = useSkiaSubpixelRendering;
-
-    // TestRunner specifically toggles the subpixel positioning flag.
-    if (m_style.useSubpixelPositioning == FontRenderStyle::NoPreference
-        || isRunningLayoutTest())
-        m_style.useSubpixelPositioning = useSkiaSubpixelPositioning;
-}
-
-} // namespace WebCore