1 /*
2  * Copyright (C) 2007, 2008 Apple Computer, Inc.
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 "FontCustomPlatformDataCairo.h"
23 
24 #include "SharedBuffer.h"
25 #include "FontPlatformData.h"
26 
27 #include <cairo-win32.h>
28 #include <wtf/RetainPtr.h>
29 
30 
31 namespace WebCore {
32 
~FontCustomPlatformData()33 FontCustomPlatformData::~FontCustomPlatformData()
34 {
35    cairo_font_face_destroy(m_fontFace);
36 }
37 
fontPlatformData(int size,bool bold,bool italic,FontOrientation,TextOrientation,FontWidthVariant)38 FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontOrientation, TextOrientation, FontWidthVariant)
39 {
40     return FontPlatformData(m_fontFace, size, bold, italic);
41 }
42 
releaseData(void * data)43 static void releaseData(void* data)
44 {
45     static_cast<SharedBuffer*>(data)->deref();
46 }
47 
createFontCustomPlatformData(SharedBuffer * buffer)48 FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
49 {
50     ASSERT_ARG(buffer, buffer);
51 
52     buffer->ref();
53     HFONT font = reinterpret_cast<HFONT>(buffer);
54     cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(font);
55     if (!fontFace)
56        return 0;
57 
58     static cairo_user_data_key_t bufferKey;
59     cairo_font_face_set_user_data(fontFace, &bufferKey, buffer, releaseData);
60 
61     return new FontCustomPlatformData(fontFace);
62 }
63 
supportsFormat(const String & format)64 bool FontCustomPlatformData::supportsFormat(const String& format)
65 {
66     return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype");
67 }
68 
69 }
70