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/*
* Copyright (C) 2008 Alp Toker <alp@atoker.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "FontCache.h"
#include "Font.h"
#include "SimpleFontData.h"
#include <wtf/Assertions.h>
namespace WebCore {
void FontCache::platformInit()
{
if (!FontPlatformData::init())
ASSERT_NOT_REACHED();
}
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
#if defined(USE_FREETYPE)
FcResult fresult;
FontPlatformData* prim = const_cast<FontPlatformData*>(&font.primaryFont()->platformData());
if (!prim->m_fallbacks)
prim->m_fallbacks = FcFontSort(NULL, prim->m_pattern, FcTrue, NULL, &fresult);
FcFontSet* fs = prim->m_fallbacks;
for (int i = 0; i < fs->nfont; i++) {
FcPattern* fin = FcFontRenderPrepare(NULL, prim->m_pattern, fs->fonts[i]);
cairo_font_face_t* fontFace = cairo_ft_font_face_create_for_pattern(fin);
FontPlatformData alternateFont(fontFace, font.fontDescription().computedPixelSize(), false, false);
cairo_font_face_destroy(fontFace);
alternateFont.m_pattern = fin;
SimpleFontData* sfd = getCachedFontData(&alternateFont);
if (sfd->containsCharacters(characters, length))
return sfd;
}
#endif
return 0;
}
FontPlatformData* FontCache::getSimilarFontPlatformData(const Font& font)
{
return 0;
}
FontPlatformData* FontCache::getLastResortFallbackFont(const FontDescription& fontDescription)
{
// FIXME: Would be even better to somehow get the user's default font here.
// For now we'll pick the default that the user would get without changing any prefs.
static AtomicString timesStr("Times New Roman");
return getCachedFontPlatformData(fontDescription, timesStr);
}
void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks)
{
}
FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family)
{
return new FontPlatformData(fontDescription, family);
}
}
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