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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2009 Maxime Simon <simon.maxime@gmail.com> All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SimpleFontData.h"
#include "FloatRect.h"
#include "FontCache.h"
#include "FontDescription.h"
#include "NotImplemented.h"
#include <Rect.h>
#include <unicode/uchar.h>
#include <unicode/unorm.h>
namespace WebCore {
void SimpleFontData::platformInit()
{
BFont* font = m_platformData.font();
if (!font)
return;
font_height height;
font->GetHeight(&height);
m_ascent = static_cast<int>(height.ascent);
m_descent = static_cast<int>(height.descent);
m_lineSpacing = m_ascent + m_descent;
m_xHeight = height.ascent * 0.56f; // Hack taken from the win port.
m_lineGap = height.leading;
}
void SimpleFontData::platformCharWidthInit()
{
m_avgCharWidth = 0.f;
m_maxCharWidth = 0.f;
initCharWidths();
}
void SimpleFontData::platformDestroy()
{
delete m_smallCapsFontData;
m_smallCapsFontData = 0;
}
SimpleFontData* SimpleFontData::smallCapsFontData(const FontDescription& fontDescription) const
{
if (!m_smallCapsFontData) {
FontDescription desc = FontDescription(fontDescription);
desc.setSpecifiedSize(0.70f * fontDescription.computedSize());
const FontPlatformData* fontPlatformData = new FontPlatformData(desc, desc.family().family());
m_smallCapsFontData = new SimpleFontData(*fontPlatformData);
}
return m_smallCapsFontData;
}
bool SimpleFontData::containsCharacters(const UChar* characters, int length) const
{
// FIXME: We will need to implement this to load non-ASCII encoding sites
return true;
}
void SimpleFontData::determinePitch()
{
m_treatAsFixedPitch = m_platformData.font() && m_platformData.font()->IsFixed();
}
float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
const char charArray[1] = { glyph };
float escapements[1];
if (m_platformData.font()) {
m_platformData.font()->GetEscapements(charArray, 1, escapements);
return escapements[0] * m_platformData.font()->Size();
}
return 0;
}
} // namespace WebCore
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