1/* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "FontCustomPlatformData.h" 28 29#include "SkTypeface.h" 30#include "SkStream.h" 31#include "SharedBuffer.h" 32#include "FontPlatformData.h" 33 34namespace WebCore { 35 36FontCustomPlatformData::FontCustomPlatformData(SkTypeface* face) 37{ 38 SkSafeRef(face); 39 m_typeface = face; 40} 41 42FontCustomPlatformData::~FontCustomPlatformData() 43{ 44 SkSafeUnref(m_typeface); 45 // the unref is enough to release the font data... 46} 47 48FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, 49 FontOrientation fontOrientation, TextOrientation textOrientation, FontWidthVariant, FontRenderingMode) 50{ 51 // turn bold/italic into fakeBold/fakeItalic 52 if (m_typeface != NULL) { 53 if (m_typeface->isBold() == bold) 54 bold = false; 55 if (m_typeface->isItalic() == italic) 56 italic = false; 57 } 58 return FontPlatformData(m_typeface, size, bold, italic, fontOrientation, textOrientation); 59} 60 61FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer) 62{ 63 // pass true until we know how we can share the data, and not have to 64 // make a copy of it. 65 SkStream* stream = new SkMemoryStream(buffer->data(), buffer->size(), true); 66 SkTypeface* face = SkTypeface::CreateFromStream(stream); 67 // Release the stream. 68 stream->unref(); 69 if (0 == face) { 70 SkDebugf("--------- SkTypeface::CreateFromBuffer failed %d\n", 71 buffer->size()); 72 return NULL; 73 } 74 75 SkAutoUnref aur(face); 76 77 return new FontCustomPlatformData(face); 78} 79 80bool FontCustomPlatformData::supportsFormat(const String& format) 81{ 82 return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") 83#if ENABLE(OPENTYPE_SANITIZER) 84 || equalIgnoringCase(format, "woff") 85#endif 86 ; 87} 88 89} 90