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Side by Side Diff: Source/WebCore/platform/graphics/win/FontCustomPlatformData.cpp

Issue 13642009: WebCore: Remove PLATFORM(WIN) files we do not use. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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1 /*
2 * Copyright (C) 2007, 2008, 2009, 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 "OpenTypeUtilities.h"
26 #include "SharedBuffer.h"
27 #include "WOFFFileFormat.h"
28 #include <ApplicationServices/ApplicationServices.h>
29 #include <WebKitSystemInterface/WebKitSystemInterface.h>
30 #include <wtf/RetainPtr.h>
31 #include <wtf/text/Base64.h>
32
33 namespace WebCore {
34
35 using namespace std;
36
37 FontCustomPlatformData::~FontCustomPlatformData()
38 {
39 if (m_fontReference)
40 RemoveFontMemResourceEx(m_fontReference);
41 }
42
43 FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, b ool italic, FontOrientation, FontWidthVariant, FontRenderingMode renderingMode)
44 {
45 ASSERT(m_fontReference);
46
47 LOGFONT& logFont = *static_cast<LOGFONT*>(malloc(sizeof(LOGFONT)));
48 memcpy(logFont.lfFaceName, m_name.charactersWithNullTermination(), sizeof(lo gFont.lfFaceName[0]) * min(static_cast<size_t>(LF_FACESIZE), 1 + m_name.length() ));
49
50 logFont.lfHeight = -size;
51 if (renderingMode == NormalRenderingMode)
52 logFont.lfHeight *= 32;
53 logFont.lfWidth = 0;
54 logFont.lfEscapement = 0;
55 logFont.lfOrientation = 0;
56 logFont.lfUnderline = false;
57 logFont.lfStrikeOut = false;
58 logFont.lfCharSet = DEFAULT_CHARSET;
59 logFont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
60 logFont.lfQuality = CLEARTYPE_QUALITY;
61 logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
62 logFont.lfItalic = italic;
63 logFont.lfWeight = bold ? 700 : 400;
64
65 HFONT hfont = CreateFontIndirect(&logFont);
66
67 RetainPtr<CGFontRef> cgFont(AdoptCF, CGFontCreateWithPlatformFont(&logFont)) ;
68 return FontPlatformData(hfont, cgFont.get(), size, bold, italic, renderingMo de == AlternateRenderingMode);
69 }
70
71 // Creates a unique and unpredictable font name, in order to avoid collisions an d to
72 // not allow access from CSS.
73 static String createUniqueFontName()
74 {
75 GUID fontUuid;
76 CoCreateGuid(&fontUuid);
77
78 String fontName = base64Encode(reinterpret_cast<char*>(&fontUuid), sizeof(fo ntUuid));
79 ASSERT(fontName.length() < LF_FACESIZE);
80 return fontName;
81 }
82
83 FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
84 {
85 ASSERT_ARG(buffer, buffer);
86
87 RefPtr<SharedBuffer> sfntBuffer;
88 if (isWOFF(buffer)) {
89 Vector<char> sfnt;
90 if (!convertWOFFToSfnt(buffer, sfnt))
91 return 0;
92
93 sfntBuffer = SharedBuffer::adoptVector(sfnt);
94 buffer = sfntBuffer.get();
95 }
96
97 String fontName = createUniqueFontName();
98 HANDLE fontReference;
99 fontReference = renameAndActivateFont(buffer, fontName);
100 if (!fontReference)
101 return 0;
102 return new FontCustomPlatformData(fontReference, fontName);
103 }
104
105 bool FontCustomPlatformData::supportsFormat(const String& format)
106 {
107 return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "o pentype") || equalIgnoringCase(format, "woff");
108 }
109
110 }
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