18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "FontCache.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Font.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "FontPlatformData.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "NotImplemented.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "SimpleFontData.h" 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid FontCache::platformInit() 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectconst SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length) 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project SimpleFontData* fontData = 0; 4521939df44de1705786c545cd1bf519d47250322dBen Murdoch fontData = getCachedFontData(font.fontDescription(), font.family().family()); 4621939df44de1705786c545cd1bf519d47250322dBen Murdoch if (!fontData->containsCharacters(characters, length)) 4721939df44de1705786c545cd1bf519d47250322dBen Murdoch fontData = getSimilarFontPlatformData(font); 4821939df44de1705786c545cd1bf519d47250322dBen Murdoch if (!fontData->containsCharacters(characters, length)) 4921939df44de1705786c545cd1bf519d47250322dBen Murdoch fontData = getLastResortFallbackFont(font.fontDescription()); 5021939df44de1705786c545cd1bf519d47250322dBen Murdoch 51e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block ASSERT(fontData); 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return fontData; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 558a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve BlockSimpleFontData* FontCache::getSimilarFontPlatformData(const Font& font) 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 57e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block SimpleFontData* simpleFontData = 0; 58e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#if OS(DARWIN) 59e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block // Attempt to find an appropriate font using a match based on 60e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block // the presence of keywords in the the requested names. For example, we'll 61e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block // match any name that contains "Arabic" to Geeza Pro. 62e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block const FontFamily* currFamily = &font.fontDescription().family(); 63e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block while (currFamily && !simpleFontData) { 64e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block if (currFamily->family().length()) { 65e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block static String* matchWords[3] = { new String("Arabic"), new String("Pashto"), new String("Urdu") }; 66e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block DEFINE_STATIC_LOCAL(AtomicString, geezaStr, ("Geeza Pro")); 67e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block for (int j = 0; j < 3 && !simpleFontData; ++j) 68e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block if (currFamily->family().contains(*matchWords[j], false)) 69e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block simpleFontData = getCachedFontData(font.fontDescription(), geezaStr); 70e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block } 71e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block currFamily = currFamily->next(); 72e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block } 73e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#endif 74e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block if (!simpleFontData) 75e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block simpleFontData = getCachedFontData(font.fontDescription(), font.family().family()); 76e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block 77e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block return simpleFontData; 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 808a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve BlockSimpleFontData* FontCache::getLastResortFallbackFont(const FontDescription& fontDescription) 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // FIXME: Would be even better to somehow get the user's default font here. For now we'll pick 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // the default that the user would get without changing any prefs. 8421939df44de1705786c545cd1bf519d47250322dBen Murdoch SimpleFontData* fallback = 0; 85e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#if OS(WINDOWS) 8621939df44de1705786c545cd1bf519d47250322dBen Murdoch static AtomicString fallbackName("Arial Unicode MS"); 8721939df44de1705786c545cd1bf519d47250322dBen Murdoch#else 8821939df44de1705786c545cd1bf519d47250322dBen Murdoch static AtomicString fallbackName("Times New Roman"); 8921939df44de1705786c545cd1bf519d47250322dBen Murdoch#endif 9021939df44de1705786c545cd1bf519d47250322dBen Murdoch fallback = getCachedFontData(fontDescription, fallbackName); 91e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block ASSERT(fallback); 9221939df44de1705786c545cd1bf519d47250322dBen Murdoch 9321939df44de1705786c545cd1bf519d47250322dBen Murdoch return fallback; 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectFontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family) 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return new FontPlatformData(fontDescription,family); 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks) 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project notImplemented(); 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 107