scummvm/graphics/fonts/amigafont.h
2021-12-26 18:48:43 +01:00

95 lines
2.3 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GRAPHICS_FONTS_AMIGAFONT_H
#define GRAPHICS_FONTS_AMIGAFONT_H
#include "graphics/font.h"
namespace Graphics {
class AmigaFont : public Font {
#include "common/pack-start.h"
struct CharLoc {
uint16 _offset;
uint16 _length;
};
struct AmigaDiskFont {
uint16 _ySize;
byte _style;
byte _flags;
uint16 _xSize;
uint16 _baseline;
uint16 _boldSmear;
uint16 _accessors; // unused
byte _loChar;
byte _hiChar;
uint32 _charData;
uint16 _modulo;
uint32 _charLoc;
uint32 _charSpace;
uint32 _charKern;
};
#include "common/pack-end.h"
AmigaDiskFont *_font;
byte *_data;
byte *_charData;
CharLoc *_charLoc;
uint16 *_charSpace;
uint16 *_charKern;
byte *_cp;
uint32 _pitch;
int _maxCharWidth;
private:
uint16 getPixels(byte c) const;
uint16 getOffset(byte c) const;
uint32 mapChar(uint32 c) const;
public:
/**
* Create font in Amiga format.
*
* @param stream Stream with the font data. If NULL, then the built-in
* Topaz font is used.
*/
AmigaFont(Common::SeekableReadStream *stream = NULL);
virtual ~AmigaFont();
virtual int getFontHeight() const;
virtual int getCharWidth(uint32 chr) const;
virtual int getMaxCharWidth() const;
virtual int getKerningOffset(uint32 left, uint32 right) const;
virtual void drawChar(Surface *dst, uint32 chr, int x, int y, uint32 color) const;
int getLoChar() { return _font->_loChar; }
int getHiChar() { return _font->_hiChar; }
};
} // End of namespace Graphics
#endif