| /* |
| * 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/FontPlatformData.h" |
| |
| #include "SkEndian.h" |
| #include "SkTypeface.h" |
| #include "core/platform/graphics/FontCache.h" |
| |
| namespace WebCore { |
| |
| #if (!ENABLE(GDI_FONTS_ON_WINDOWS) || !OS(WIN)) && !OS(MACOSX) |
| 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; |
| } |
| |
| #endif |
| |
| #if ENABLE(OPENTYPE_VERTICAL) |
| PassRefPtr<OpenTypeVerticalData> FontPlatformData::verticalData() const |
| { |
| return fontCache()->getVerticalData(typeface()->uniqueID(), *this); |
| } |
| |
| PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const |
| { |
| RefPtr<SharedBuffer> buffer; |
| |
| SkFontTableTag tag = SkEndianSwap32(table); |
| const size_t tableSize = m_typeface->getTableSize(tag); |
| if (tableSize) { |
| Vector<char> tableBuffer(tableSize); |
| m_typeface->getTableData(tag, 0, tableSize, &tableBuffer[0]); |
| buffer = SharedBuffer::adoptVector(tableBuffer); |
| } |
| return buffer.release(); |
| } |
| #endif |
| |
| } // namespace WebCore |