| /* |
| * 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 "sky/engine/platform/fonts/FontPlatformData.h" |
| |
| #include "sky/engine/platform/fonts/harfbuzz/HarfBuzzFace.h" |
| #include "sky/engine/wtf/text/WTFString.h" |
| #include "third_party/skia/include/core/SkTypeface.h" |
| |
| namespace blink { |
| |
| FontPlatformData::FontPlatformData(WTF::HashTableDeletedValueType) |
| : m_textSize(0) |
| , m_syntheticBold(false) |
| , m_syntheticItalic(false) |
| , m_orientation(Horizontal) |
| , m_isHashTableDeletedValue(true) |
| { |
| } |
| |
| FontPlatformData::FontPlatformData() |
| : m_textSize(0) |
| , m_syntheticBold(false) |
| , m_syntheticItalic(false) |
| , m_orientation(Horizontal) |
| , m_isHashTableDeletedValue(false) |
| { |
| } |
| |
| FontPlatformData::FontPlatformData(float textSize, bool syntheticBold, bool syntheticItalic) |
| : m_textSize(textSize) |
| , m_syntheticBold(syntheticBold) |
| , m_syntheticItalic(syntheticItalic) |
| , 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_syntheticBold(src.m_syntheticBold) |
| , m_syntheticItalic(src.m_syntheticItalic) |
| , m_orientation(src.m_orientation) |
| , m_style(src.m_style) |
| , m_harfBuzzFace(nullptr) |
| , m_isHashTableDeletedValue(false) |
| { |
| } |
| |
| FontPlatformData::FontPlatformData(PassRefPtr<SkTypeface> tf, const char* family, float textSize, bool syntheticBold, bool syntheticItalic, FontOrientation orientation, bool subpixelTextPosition) |
| : m_typeface(tf) |
| , m_family(family) |
| , m_textSize(textSize) |
| , m_syntheticBold(syntheticBold) |
| , m_syntheticItalic(syntheticItalic) |
| , 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_syntheticBold(src.m_syntheticBold) |
| , m_syntheticItalic(src.m_syntheticItalic) |
| , m_orientation(src.m_orientation) |
| , m_harfBuzzFace(nullptr) |
| , m_isHashTableDeletedValue(false) |
| { |
| querySystemForRenderStyle(FontDescription::subpixelPositioning()); |
| } |
| |
| FontPlatformData::~FontPlatformData() |
| { |
| } |
| |
| FontPlatformData& FontPlatformData::operator=(const FontPlatformData& src) |
| { |
| m_typeface = src.m_typeface; |
| m_family = src.m_family; |
| m_textSize = src.m_textSize; |
| m_syntheticBold = src.m_syntheticBold; |
| m_syntheticItalic = src.m_syntheticItalic; |
| m_harfBuzzFace = nullptr; |
| m_orientation = src.m_orientation; |
| m_style = src.m_style; |
| return *this; |
| } |
| |
| #ifndef NDEBUG |
| String FontPlatformData::description() const |
| { |
| return String(); |
| } |
| #endif |
| |
| SkFontID FontPlatformData::uniqueID() const |
| { |
| return m_typeface->uniqueID(); |
| } |
| |
| String FontPlatformData::fontFamilyName() const |
| { |
| // FIXME(crbug.com/326582): come up with a proper way of handling SVG. |
| if (!this->typeface()) |
| return ""; |
| 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_syntheticBold == a.m_syntheticBold |
| && m_syntheticItalic == a.m_syntheticItalic |
| && m_orientation == a.m_orientation |
| && m_style == a.m_style |
| && m_isHashTableDeletedValue == a.m_isHashTableDeletedValue; |
| } |
| |
| bool FontPlatformData::isFixedPitch() const |
| { |
| return typeface() && typeface()->isFixedPitch(); |
| } |
| |
| HarfBuzzFace* FontPlatformData::harfBuzzFace() const |
| { |
| if (!m_harfBuzzFace) |
| m_harfBuzzFace = HarfBuzzFace::create(const_cast<FontPlatformData*>(this), uniqueID()); |
| |
| return m_harfBuzzFace.get(); |
| } |
| |
| } // namespace blink |