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Diffstat (limited to 'WebCore/platform/graphics/android/FontCacheAndroid.cpp')
| -rw-r--r-- | WebCore/platform/graphics/android/FontCacheAndroid.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/WebCore/platform/graphics/android/FontCacheAndroid.cpp b/WebCore/platform/graphics/android/FontCacheAndroid.cpp deleted file mode 100644 index 428628c..0000000 --- a/WebCore/platform/graphics/android/FontCacheAndroid.cpp +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Copyright 2009, The Android Open Source Project - * Copyright (C) 2006 Apple Computer, 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. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 "FontCache.h" - -#include "Font.h" -#include "FontPlatformData.h" -#include "NotImplemented.h" -#include "SimpleFontData.h" -#include "SkPaint.h" -#include "SkTypeface.h" -#include "SkUtils.h" -#include <wtf/text/CString.h> - -namespace WebCore { - -static const char* getFallbackFontName(const FontDescription& fontDescription) -{ - switch (fontDescription.genericFamily()) { - case FontDescription::StandardFamily: - case FontDescription::SerifFamily: - return "serif"; - case FontDescription::SansSerifFamily: - return "sans-serif"; - case FontDescription::MonospaceFamily: - return "monospace"; - case FontDescription::CursiveFamily: - return "cursive"; - case FontDescription::FantasyFamily: - return "fantasy"; - case FontDescription::NoFamily: - default: - return ""; - } -} - -static bool isFallbackFamily(String family) -{ - return family.startsWith("-webkit-") - || equalIgnoringCase(family, "serif") - || equalIgnoringCase(family, "sans-serif") - || equalIgnoringCase(family, "sans") - || equalIgnoringCase(family, "monospace") - || equalIgnoringCase(family, "cursive") - || equalIgnoringCase(family, "fantasy"); -} - -static char* AtomicStringToUTF8String(const AtomicString& utf16) -{ - SkASSERT(sizeof(uint16_t) == sizeof(utf16.characters()[0])); - const uint16_t* uni = (uint16_t*)utf16.characters(); - - size_t bytes = SkUTF16_ToUTF8(uni, utf16.length(), 0); - char* utf8 = (char*)sk_malloc_throw(bytes + 1); - - (void)SkUTF16_ToUTF8(uni, utf16.length(), utf8); - utf8[bytes] = 0; - return utf8; -} - - -void FontCache::platformInit() -{ -} - -const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length) -{ - // since all of our fonts logically map to the fallback, we can always claim - // that each font supports all characters. - return font.primaryFont(); -} - -SimpleFontData* FontCache::getSimilarFontPlatformData(const Font& font) -{ - return 0; -} - -SimpleFontData* FontCache::getLastResortFallbackFont(const FontDescription& description) -{ - static const AtomicString sansStr("sans-serif"); - static const AtomicString serifStr("serif"); - static const AtomicString monospaceStr("monospace"); - - FontPlatformData* fontPlatformData = 0; - switch (description.genericFamily()) { - case FontDescription::SerifFamily: - fontPlatformData = getCachedFontPlatformData(description, serifStr); - break; - case FontDescription::MonospaceFamily: - fontPlatformData = getCachedFontPlatformData(description, monospaceStr); - break; - case FontDescription::SansSerifFamily: - default: - fontPlatformData = getCachedFontPlatformData(description, sansStr); - break; - } - - ASSERT(fontPlatformData); - return getCachedFontData(fontPlatformData); -} - -FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family) -{ - char* storage = 0; - const char* name = 0; - FontPlatformData* result = 0; - - if (family.length()) { - storage = AtomicStringToUTF8String(family); - name = storage; - } else - name = getFallbackFontName(fontDescription); - - int style = SkTypeface::kNormal; - if (fontDescription.weight() >= FontWeightBold) - style |= SkTypeface::kBold; - if (fontDescription.italic()) - style |= SkTypeface::kItalic; - - // CreateFromName always returns a typeface, falling back to a default font - // if the one requested is not found. Calling Equal() with a null pointer - // serves to compare the returned font against the default, with the caveat - // that the default is always of normal style. If we detect the default, we - // ignore it and allow WebCore to give us the next font on the CSS fallback - // list. The only exception is if the family name is a commonly used generic - // family, as when called by getSimilarFontPlatformData() and - // getLastResortFallbackFont(). In this case, the default font is an - // acceptable result. - - SkTypeface* tf = SkTypeface::CreateFromName(name, SkTypeface::kNormal); - - if (!SkTypeface::Equal(tf, 0) || isFallbackFamily(family.string())) { - // We had to use normal styling to see if this was a default font. If - // we need bold or italic, replace with the corrected typeface. - if (style != SkTypeface::kNormal) { - tf->unref(); - tf = SkTypeface::CreateFromName(name, (SkTypeface::Style)style); - } - - result = new FontPlatformData(tf, fontDescription.computedSize(), - (style & SkTypeface::kBold) && !tf->isBold(), - (style & SkTypeface::kItalic) && !tf->isItalic()); - } - - tf->unref(); - sk_free(storage); - return result; -} - - // new as of SVN change 36269, Sept 8, 2008 -void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks) -{ - // Don't understand this yet, but it seems safe to leave unimplemented -} - -} |