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This CL generated by |sed -i '/sky\/engine\/config.h/d'| and a manual sweep to catch some oddballs. TBR=eseidel@chromium.org Review URL: https://codereview.chromium.org/1206763002.
87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
/*
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* Copyright (c) 2006, 2007, 2008, Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/platform/fonts/FontPlatformData.h"
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#include "sky/engine/platform/fonts/FontCache.h"
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#include "third_party/skia/include/core/SkEndian.h"
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#include "third_party/skia/include/core/SkTypeface.h"
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namespace blink {
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unsigned FontPlatformData::hash() const
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{
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unsigned h = SkTypeface::UniqueID(m_typeface.get());
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h ^= 0x01010101 * ((static_cast<int>(m_orientation) << 2) | (static_cast<int>(m_syntheticBold) << 1) | static_cast<int>(m_syntheticItalic));
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// This memcpy is to avoid a reinterpret_cast that breaks strict-aliasing
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// rules. Memcpy is generally optimized enough so that performance doesn't
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// matter here.
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uint32_t textSizeBytes;
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memcpy(&textSizeBytes, &m_textSize, sizeof(uint32_t));
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h ^= textSizeBytes;
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return h;
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}
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bool FontPlatformData::fontContainsCharacter(UChar32 character)
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{
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SkPaint paint;
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setupPaint(&paint);
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paint.setTextEncoding(SkPaint::kUTF32_TextEncoding);
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uint16_t glyph;
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paint.textToGlyphs(&character, sizeof(character), &glyph);
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return glyph;
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}
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#if ENABLE(OPENTYPE_VERTICAL)
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PassRefPtr<OpenTypeVerticalData> FontPlatformData::verticalData() const
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{
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return FontCache::fontCache()->getVerticalData(typeface()->uniqueID(), *this);
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}
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PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const
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{
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RefPtr<SharedBuffer> buffer;
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SkFontTableTag tag = SkEndianSwap32(table);
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const size_t tableSize = m_typeface->getTableSize(tag);
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if (tableSize) {
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Vector<char> tableBuffer(tableSize);
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m_typeface->getTableData(tag, 0, tableSize, &tableBuffer[0]);
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buffer = SharedBuffer::adoptVector(tableBuffer);
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}
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return buffer.release();
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}
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#endif
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} // namespace blink
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