1/*
2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#include "config.h"
22#include "FontCustomPlatformData.h"
23
24#include "FontPlatformData.h"
25#include "OpenTypeSanitizer.h"
26#include "SharedBuffer.h"
27#include "WOFFFileFormat.h"
28#include <ApplicationServices/ApplicationServices.h>
29
30namespace WebCore {
31
32FontCustomPlatformData::~FontCustomPlatformData()
33{
34    CGFontRelease(m_cgFont);
35}
36
37FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant widthVariant, FontRenderingMode)
38{
39    return FontPlatformData(m_cgFont, size, bold, italic, orientation, widthVariant);
40}
41
42FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
43{
44    ASSERT_ARG(buffer, buffer);
45
46#if USE(OPENTYPE_SANITIZER)
47    OpenTypeSanitizer sanitizer(buffer);
48    RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
49    if (!transcodeBuffer)
50        return 0; // validation failed.
51    buffer = transcodeBuffer.get();
52#else
53    RefPtr<SharedBuffer> sfntBuffer;
54    if (isWOFF(buffer)) {
55        Vector<char> sfnt;
56        if (!convertWOFFToSfnt(buffer, sfnt))
57            return 0;
58
59        sfntBuffer = SharedBuffer::adoptVector(sfnt);
60        buffer = sfntBuffer.get();
61    }
62#endif
63
64    ATSFontContainerRef containerRef = 0;
65
66    RetainPtr<CFDataRef> bufferData = adoptCF(buffer->createCFData());
67    RetainPtr<CGDataProviderRef> dataProvider = adoptCF(CGDataProviderCreateWithCFData(bufferData.get()));
68
69    RetainPtr<CGFontRef> cgFontRef = adoptCF(CGFontCreateWithDataProvider(dataProvider.get()));
70    if (!cgFontRef)
71        return 0;
72
73    FontCustomPlatformData* fontCustomPlatformData = new FontCustomPlatformData(containerRef, cgFontRef.leakRef());
74    return fontCustomPlatformData;
75}
76
77bool FontCustomPlatformData::supportsFormat(const String& format)
78{
79    return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || equalIgnoringCase(format, "woff");
80}
81
82}
83