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1 /* | |
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
14 * its contributors may be used to endorse or promote products derived | |
15 * from this software without specific prior written permission. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #include "config.h" | |
30 #include "GlyphPageTreeNode.h" | |
31 | |
32 #include "SimpleFontData.h" | |
33 #include <WebKitSystemInterface/WebKitSystemInterface.h> | |
34 | |
35 namespace WebCore { | |
36 | |
37 bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned b
ufferLength, const SimpleFontData* fontData) | |
38 { | |
39 // bufferLength will be greater than the requested number of glyphs if the b
uffer contains surrogate pairs. | |
40 // We won't support this for now. | |
41 if (bufferLength > length) | |
42 return false; | |
43 | |
44 bool haveGlyphs = false; | |
45 CGGlyph localGlyphBuffer[GlyphPage::size]; | |
46 wkGetGlyphs(fontData->platformData().cgFont(), buffer, localGlyphBuffer, buf
ferLength); | |
47 for (unsigned i = 0; i < length; i++) { | |
48 Glyph glyph = localGlyphBuffer[i]; | |
49 if (!glyph) | |
50 setGlyphDataForIndex(offset + i, 0, 0); | |
51 else { | |
52 setGlyphDataForIndex(offset + i, glyph, fontData); | |
53 haveGlyphs = true; | |
54 } | |
55 } | |
56 return haveGlyphs; | |
57 } | |
58 | |
59 } | |
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