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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#ifndef GRAPHICS_SJIS_H
#define GRAPHICS_SJIS_H
#include "common/scummsys.h"
#include "common/stream.h"
#include "graphics/surface.h"
namespace Graphics {
/**
* A font that is able to draw SJIS encoded characters.
*
* The font is always monospaced.
*/
class FontSJIS {
public:
virtual ~FontSJIS() {}
/**
* Enable outline drawing.
*
* After changing outline state, getFontHeight and getFontWidth might return
* different values!
*/
virtual void enableOutline(bool enable) {}
/**
* Returns the height of the font.
*/
virtual uint getFontHeight() const = 0;
/**
* Returns the width of the font.
*/
virtual uint getFontWidth() const = 0;
/**
* Draws a SJIS encoded character on the given surface.
*/
void drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32 c1, uint32 c2) const {
drawChar(dst.getBasePtr(x, y), ch, c1, c2, dst.pitch, dst.bytesPerPixel);
}
/**
* Draws a SJIS char on the given raw buffer.
*
* @param dst pointer to the destination
* @param ch character to draw
* @param pitch pitch of the destination buffer (size in *bytes*)
* @param bpp bytes per pixel of the destination buffer
* @param c1 forground color
* @param c2 outline color
*/
virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const = 0;
};
/**
* FM-TOWNS ROM based SJIS compatible font.
*
* This is used in KYRA and SCI.
*/
class FontTowns : public FontSJIS {
public:
FontTowns() : _outlineEnabled(false) {}
/**
* Loads the ROM data from the given read stream.
*/
bool loadFromStream(Common::ReadStream &stream);
void enableOutline(bool enable) { _outlineEnabled = enable; }
uint getFontHeight() const { return _outlineEnabled ? 18 : 16; }
uint getFontWidth() const { return _outlineEnabled ? 18 : 16; }
void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
private:
template<typename Color>
void drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
template<typename Color>
void drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const;
enum {
kFontRomSize = 262144
};
bool _outlineEnabled;
uint16 _fontData[kFontRomSize / 2];
static uint sjisToChunk(uint8 low, uint8 high);
};
// TODO: Consider adding support for PC98 ROM
} // end of namespace Graphics
#endif
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