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/*
Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
This file is part of the KDE project
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
aint 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.
*/
#ifndef T2P_CONVERTER_H
#define T2P_CONVERTER_H
#include "Cache.h"
// FreeType 2 includes
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_OUTLINE_H
#include FT_GLYPH_H
namespace T2P
{
class BezierPath;
class Font;
class Glyph;
class Affine;
class GlyphSet;
class Rectangle;
class GlyphTracer;
class GlyphAffinePair;
class FontVisualParams;
class GlyphLayoutParams;
class GlyphRenderParams;
typedef std::shared_ptr<Font> SharedFont;
typedef std::shared_ptr<Glyph> SharedGlyph;
class Converter
{
public:
Converter(GlyphTracer *tracer);
~Converter();
// Is initialized?
void init();
bool ready();
// Kerning control
void setKerning(bool mode);
SharedFont requestFont(const FontVisualParams *params);
GlyphAffinePair *requestGlyph(GlyphRenderParams *params, Rectangle &bbox, Affine &affine, bool onlyLatin);
GlyphSet *calcString(Font *font, const unsigned short *text, unsigned int length, Affine &affine, const GlyphLayoutParams *params, BezierPath *bpath = 0);
SharedGlyph calcGlyph(const GlyphRenderParams *params, Affine &affine, bool onlyLatin);
void selectGlyph(GlyphRenderParams *params);
protected:
friend class Font;
// Internal
FT_Library library() { return m_library; }
private:
std::string cacheFontKey(const FontVisualParams *params) const;
std::string cacheGlyphKey(const GlyphRenderParams *params) const;
FT_Library m_library;
GlyphTracer *m_glyphTracer;
Cache<Glyph> m_glyphCache;
Cache<Font> m_fontCache;
bool m_init, m_kerning;
};
}
#endif
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