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/*
* Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov
*
* 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.
*/
#import "config.h"
#import "SimpleFontData.h"
#if USE(ATSUI)
#import "Font.h"
#import "FontCache.h"
#import "FontDescription.h"
#import <ApplicationServices/ApplicationServices.h>
#import <AppKit/AppKit.h>
#import <wtf/Assertions.h>
using namespace std;
namespace WebCore {
void SimpleFontData::checkShapesArabic() const
{
ASSERT(!m_checkedShapesArabic);
m_checkedShapesArabic = true;
ATSUFontID fontID = m_platformData.ctFont() ? CTFontGetPlatformFont(m_platformData.ctFont(), 0) : 0;
if (!fontID) {
LOG_ERROR("unable to get ATSUFontID for %@", m_platformData.font());
return;
}
// This function is called only on fonts that contain Arabic glyphs. Our
// heuristic is that if such a font has a glyph metamorphosis table, then
// it includes shaping information for Arabic.
FourCharCode tables[] = { 'morx', 'mort' };
for (size_t i = 0; i < WTF_ARRAY_LENGTH(tables); ++i) {
ByteCount tableSize;
OSStatus status = ATSFontGetTable(fontID, tables[i], 0, 0, 0, &tableSize);
if (status == noErr) {
m_shapesArabic = true;
return;
}
if (status != kATSInvalidFontTableAccess)
LOG_ERROR("ATSFontGetTable failed (%d)", status);
}
}
} // namespace WebCore
#endif
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