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/*
* This file is part of the internal font implementation. It should not be included by anyone other than
* FontMac.cpp, FontWin.cpp and Font.cpp.
*
* Copyright (C) 2006, 2007, 2008 Apple Inc.
* Copyright (C) 2008 Brent Fulgham
*
* 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 "FontPlatformData.h"
#include "HWndDC.h"
#include "SharedBuffer.h"
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
using std::min;
namespace WebCore {
FontPlatformData::FontPlatformData(HFONT font, float size, bool bold, bool oblique, bool useGDI)
: m_font(RefCountedGDIHandle<HFONT>::create(font))
, m_size(size)
, m_orientation(Horizontal)
, m_widthVariant(RegularWidth)
#if USE(CG)
, m_cgFont(0)
#elif USE(CAIRO)
, m_scaledFont(0)
#endif
, m_isColorBitmapFont(false)
, m_syntheticBold(bold)
, m_syntheticOblique(oblique)
, m_useGDI(useGDI)
{
HWndDC hdc(0);
SaveDC(hdc);
SelectObject(hdc, font);
UINT bufferSize = GetOutlineTextMetrics(hdc, 0, NULL);
ASSERT_WITH_MESSAGE(bufferSize, "Bitmap fonts not supported with CoreGraphics.");
if (bufferSize) {
OUTLINETEXTMETRICW* metrics = (OUTLINETEXTMETRICW*)malloc(bufferSize);
GetOutlineTextMetricsW(hdc, bufferSize, metrics);
WCHAR* faceName = (WCHAR*)((uintptr_t)metrics + (uintptr_t)metrics->otmpFaceName);
platformDataInit(font, size, hdc, faceName);
free(metrics);
}
RestoreDC(hdc, -1);
}
PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const
{
HWndDC hdc(0);
HGDIOBJ oldFont = SelectObject(hdc, hfont());
DWORD size = GetFontData(hdc, table, 0, 0, 0);
RefPtr<SharedBuffer> buffer;
if (size != GDI_ERROR) {
buffer = SharedBuffer::create(size);
DWORD result = GetFontData(hdc, table, 0, (PVOID)buffer->data(), size);
ASSERT(result == size);
}
SelectObject(hdc, oldFont);
return buffer.release();
}
#ifndef NDEBUG
String FontPlatformData::description() const
{
return String();
}
#endif
}
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