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      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 
     33 FontCustomPlatformData::~FontCustomPlatformData()
     34 {
     35    cairo_font_face_destroy(m_fontFace);
     36 }
     37 
     38 FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontOrientation, TextOrientation, FontWidthVariant)
     39 {
     40     return FontPlatformData(m_fontFace, size, bold, italic);
     41 }
     42 
     43 static void releaseData(void* data)
     44 {
     45     static_cast<SharedBuffer*>(data)->deref();
     46 }
     47 
     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 
     64 bool FontCustomPlatformData::supportsFormat(const String& format)
     65 {
     66     return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype");
     67 }
     68 
     69 }
     70