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/*
* Copyright (C) 2007, 2008 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "FontCustomPlatformData.h"
#include "OpenTypeUtilities.h"
#include "SharedBuffer.h"
#include "FontPlatformData.h"
#include <cairo-win32.h>
#include <wtf/RetainPtr.h>
#include <wtf/text/Base64.h>
namespace WebCore {
FontCustomPlatformData::~FontCustomPlatformData()
{
if (m_fontReference)
RemoveFontMemResourceEx(m_fontReference);
}
FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontOrientation, FontWidthVariant, FontRenderingMode renderingMode)
{
LOGFONT logFont;
memset(&logFont, 0, sizeof(LOGFONT));
wcsncpy(logFont.lfFaceName, m_name.charactersWithNullTermination().data(), LF_FACESIZE - 1);
logFont.lfHeight = -size;
if (renderingMode == NormalRenderingMode)
logFont.lfHeight *= 32;
logFont.lfWidth = 0;
logFont.lfEscapement = 0;
logFont.lfOrientation = 0;
logFont.lfUnderline = false;
logFont.lfStrikeOut = false;
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
logFont.lfQuality = CLEARTYPE_QUALITY;
logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
logFont.lfItalic = italic;
logFont.lfWeight = bold ? 700 : 400;
HFONT hfont = CreateFontIndirect(&logFont);
cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(hfont);
FontPlatformData fontPlatformData(hfont, fontFace, size, bold, italic);
cairo_font_face_destroy(fontFace);
return fontPlatformData;
}
static String createUniqueFontName()
{
GUID fontUuid;
CoCreateGuid(&fontUuid);
String fontName = base64Encode(reinterpret_cast<char*>(&fontUuid), sizeof(fontUuid));
ASSERT(fontName.length() < LF_FACESIZE);
return fontName;
}
FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
String fontName = createUniqueFontName();
HANDLE fontReference = renameAndActivateFont(buffer, fontName);
if (!fontReference)
return 0;
return new FontCustomPlatformData(fontReference, fontName);
}
bool FontCustomPlatformData::supportsFormat(const String& format)
{
return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype");
}
}
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