blob: 6d4b0dc974692dd2942493d62893dadceee180ec [file] [log] [blame]
/*
* Copyright (C) 2006, 2007, 2008 Apple 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 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 "GlyphPage.h"
#if USE(CG)
#include "Font.h"
#include <pal/spi/cg/CoreGraphicsSPI.h>
namespace WebCore {
bool GlyphPage::fill(UChar* buffer, unsigned bufferLength)
{
// bufferLength will be greater than the requested number of glyphs if the buffer contains surrogate pairs.
// We won't support this for now.
if (bufferLength > GlyphPage::size)
return false;
const Font& font = this->font();
bool haveGlyphs = false;
CGGlyph localGlyphBuffer[GlyphPage::size];
CGFontGetGlyphsForUnichars(font.platformData().cgFont(), reinterpret_cast<const UniChar*>(buffer), localGlyphBuffer, bufferLength);
for (unsigned i = 0; i < GlyphPage::size; i++) {
Glyph glyph = localGlyphBuffer[i];
if (!glyph)
setGlyphForIndex(i, 0);
else {
setGlyphForIndex(i, glyph);
haveGlyphs = true;
}
}
return haveGlyphs;
}
}
#endif