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/*
* Copyright (C) 2007-2009 Torch Mobile 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 "GlyphPageTreeNode.h"
#include "Font.h"
#include "FontCache.h"
#include "FontData.h"
#include "SimpleFontData.h"
namespace WebCore {
DWORD getKnownFontCodePages(const wchar_t* family);
typedef unsigned (*funcGetCharCodePages)(unsigned short c, unsigned& lastPos);
funcGetCharCodePages getCharCodePages = 0;
bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData)
{
if (length != bufferLength)
return false;
if (fontData->platformData().hfont()) {
DWORD fontCodePages = fontData->platformData().codePages();
if (fontCodePages) {
if (getCharCodePages) {
unsigned lastPos = 0;
for (unsigned i = 0; i < bufferLength; ++i) {
DWORD actualCodePages = getCharCodePages(buffer[i], lastPos);
if (!actualCodePages || (actualCodePages & fontCodePages))
setGlyphDataForIndex(offset + i, buffer[i], fontData);
else
setGlyphDataForIndex(offset + i, 0, 0);
}
return true;
} else if (IMLangFontLinkType* langFontLink = fontCache()->getFontLinkInterface()) {
for (unsigned i = 0; i < bufferLength; ++i) {
DWORD actualCodePages;
langFontLink->GetCharCodePages(buffer[i], &actualCodePages);
if (!actualCodePages || (actualCodePages & fontCodePages))
setGlyphDataForIndex(offset + i, buffer[i], fontData);
else
setGlyphDataForIndex(offset + i, 0, 0);
}
return true;
}
}
}
for (unsigned i = 0; i < length; ++i)
setGlyphDataForIndex(offset + i, buffer[i], fontData);
return true;
}
} // namespace WebCore
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