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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.
*/
#ifndef GRAPHICS_FONTS_BDF_H
#define GRAPHICS_FONTS_BDF_H
#include "common/system.h"
#include "graphics/font.h"
namespace Common {
class SeekableReadStream;
}
namespace Graphics {
typedef uint16 bitmap_t; /* bitmap image unit size*/
struct BBX {
int8 w;
int8 h;
int8 x;
int8 y;
};
/* builtin C-based proportional/fixed font structure */
/* based on The Microwindows Project http://microwindows.org */
struct BdfFontDesc {
const char *name; /* font name */
int maxwidth; /* max width in pixels */
int height; /* height in pixels */
int fbbw, fbbh, fbbx, fbby; /* max bounding box */
int ascent; /* ascent (baseline) height */
int firstchar; /* first character in bitmap */
int size; /* font size in glyphs */
const bitmap_t *bits; /* 16-bit right-padded bitmap data */
const unsigned long *offset; /* offsets into bitmap data */
const unsigned char *width; /* character widths or NULL if fixed */
const BBX *bbx; /* character bounding box or NULL if fixed */
int defaultchar; /* default char (not glyph index) */
long bits_size; /* # words of bitmap_t bits */
};
struct BdfFontData;
class BdfFont : public Font {
protected:
BdfFontDesc _desc;
BdfFontData *_font;
public:
BdfFont(const BdfFontDesc &desc, BdfFontData *font = 0) : _desc(desc), _font(font) {}
~BdfFont();
virtual int getFontHeight() const;
virtual int getMaxCharWidth() const;
virtual int getCharWidth(byte chr) const;
virtual void drawChar(Surface *dst, byte chr, int x, int y, uint32 color) const;
static BdfFont *loadFont(Common::SeekableReadStream &stream);
static bool cacheFontData(const BdfFont &font, const Common::String &filename);
static BdfFont *loadFromCache(Common::SeekableReadStream &stream);
};
#define DEFINE_FONT(n) \
const BdfFont *n = 0; \
void create_##n() { \
n = new BdfFont(desc); \
}
#define FORWARD_DECLARE_FONT(n) \
extern const BdfFont *n; \
extern void create_##n()
#define INIT_FONT(n) \
create_##n()
} // End of namespace Graphics
#endif
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