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/*
* 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 <wtf/text/WTFString.h>
#include <wx/defs.h>
#include <wx/fontenum.h>
namespace WebCore {
void FontCache::platformInit()
{
}
PassRefPtr<SimpleFontData> FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
RefPtr<SimpleFontData> fontData = 0;
fontData = getCachedFontData(font.fontDescription(), font.family().family(), false, DoNotRetain);
if (!fontData->containsCharacters(characters, length))
fontData = getSimilarFontPlatformData(font);
if (!fontData->containsCharacters(characters, length))
fontData = getLastResortFallbackFont(font.fontDescription());
ASSERT(fontData);
return fontData.release();
}
PassRefPtr<SimpleFontData> FontCache::getSimilarFontPlatformData(const Font& font)
{
RefPtr<SimpleFontData> simpleFontData = 0;
#if OS(DARWIN)
// Attempt to find an appropriate font using a match based on
// the presence of keywords in the the requested names. For example, we'll
// match any name that contains "Arabic" to Geeza Pro.
const FontFamily* currFamily = &font.fontDescription().family();
while (currFamily && !simpleFontData) {
if (currFamily->family().length()) {
static String* matchWords[3] = { new String("Arabic"), new String("Pashto"), new String("Urdu") };
DEFINE_STATIC_LOCAL(AtomicString, geezaStr, ("Geeza Pro"));
for (int j = 0; j < 3 && !simpleFontData; ++j)
if (currFamily->family().contains(*matchWords[j], false))
simpleFontData = getCachedFontData(font.fontDescription(), geezaStr);
}
currFamily = currFamily->next();
}
#endif
if (!simpleFontData)
simpleFontData = getCachedFontData(font.fontDescription(), font.family().family());
return simpleFontData.release();
}
PassRefPtr<SimpleFontData> FontCache::getLastResortFallbackFont(const FontDescription& fontDescription, ShouldRetain shouldRetain)
{
// 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.
RefPtr<SimpleFontData> fallback = 0;
#if OS(WINDOWS)
static AtomicString fallbackName("Arial Unicode MS");
#else
static AtomicString fallbackName("Times New Roman");
#endif
fallback = getCachedFontData(fontDescription, fallbackName, false, shouldRetain);
ASSERT(fallback);
return fallback.release();
}
FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family)
{
// wx will ALWAYS create a valid font, even if the font family we're looking for is not available.
// So we check to make sure the font is the one we're looking for before creating the font.
if (!wxFontEnumerator::IsValidFacename(family.string()))
return 0;
return new FontPlatformData(fontDescription,family);
}
void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks)
{
notImplemented();
}
}
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