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/*
* Copyright (C) 2007 Ryan Leavengood <leavengood@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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "Font.h"
#include "FontData.h"
#include "FontDescription.h"
#include "FontSelector.h"
#include "GraphicsContext.h"
#include "NotImplemented.h"
#include <Font.h>
#include <String.h>
#include <View.h>
// FIXME: Temp routine to convert unicode character to UTF8.
int charUnicodeToUTF8HACK(unsigned short glyph, char* out)
{
int i = 0;
if (glyph < 0x0080)
out[i++] = static_cast<char>(glyph);
else if (glyph < 0x0800) { // 2 bytes
out[i++] = 0xc0 | (glyph >> 6);
out[i++] = 0x80 | (glyph & 0x3F);
} else if (glyph > 0x0800) { // 3 bytes
out[i++] = 0xe0 | (glyph >> 12);
out[i++] = 0x80 | ((glyph >> 6) & 0x3F);
out[i++] = 0x80 | (glyph & 0x3F);
}
out[i] = '\0';
return i;
}
namespace WebCore {
bool Font::canReturnFallbackFontsForComplexText()
{
return false;
}
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font,
const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const
{
Color color = graphicsContext->fillColor();
BView* view = graphicsContext->platformContext();
BFont* m_font = font->platformData().font();
graphicsContext->setCompositeOperation(CompositeSourceOver);
view->SetHighColor(color);
view->SetFont(m_font);
GlyphBufferGlyph* glyphs = const_cast<GlyphBufferGlyph*>(glyphBuffer.glyphs(from));
float offset = point.x();
for (int i = 0; i < numGlyphs; i++) {
char out[4];
charUnicodeToUTF8HACK(glyphs[i], out);
view->DrawString(out, sizeof(out), BPoint(offset, point.y()));
offset += glyphBuffer.advanceAt(from + i);
}
}
void Font::drawComplexText(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point,
int from, int to) const
{
notImplemented();
}
float Font::floatWidthForComplexText(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
{
notImplemented();
return 0;
}
FloatRect Font::selectionRectForComplexText(const TextRun&, const IntPoint&, int, int, int) const
{
notImplemented();
return FloatRect();
}
int Font::offsetForPositionForComplexText(const TextRun&, int, bool) const
{
notImplemented();
return 0;
}
} // namespace WebCore
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