christoph/lecture-operating-system-development
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churl
2022-06-17 15:27:48 +02:00
parent 01495fda93
commit d29dc064cb
23 changed files with 19128 additions and 2 deletions
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67
c_os/devices/fonts/Fonts.h Normal file
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// Jakob Falke, oostubs
// Github: https://gitlab.cs.fau.de/um15ebek/oostubs
// Schriften in Form von Rastergrafiken (separate Datein)
// Generiert mit cpi2fnt
// Keine Proportionalschriften
// Monochrome Speicherung: 1 Bit pro Pixel
// Je nach Breite wird auf Bytegrenzen aufgerundet:
// 8 Pixel -> 1 Byte; 12 Pixel -> 2 Byte
#ifndef __FONTS_H__
#define __FONTS_H__
class Font
{
public:
virtual unsigned char* getChar(int c) const = 0;
virtual unsigned int get_char_width() const = 0;
virtual unsigned int get_char_height() const = 0;
};
template<unsigned int width, unsigned int height, unsigned char* data>
class FontInstance : public Font
{
const unsigned int char_width;
const unsigned int char_height;
const unsigned int char_mem_size;
unsigned char* font_data;
public:
FontInstance() : char_width(width), char_height(height), char_mem_size((((char_width + (8 >> 1)) / 8) * char_height)), font_data(data) { }
inline unsigned char* getChar(int c) const {
return &font_data[char_mem_size * c];
}
inline unsigned int get_char_width() const {
return char_width;
}
inline unsigned int get_char_height() const {
return char_height;
}
};
extern unsigned char fontdata_8x16[];
extern unsigned char fontdata_8x8[];
extern unsigned char acorndata_8x8[];
extern unsigned char fontdata_pearl_8x8[];
extern unsigned char fontdata_sun_12x22[];
extern unsigned char fontdata_sun_8x16[];
typedef FontInstance<8,16,fontdata_8x16> Font_8x16;
typedef FontInstance<8,8,fontdata_8x8> Font_8x8;
typedef FontInstance<8,8,acorndata_8x8> Font_acorn_8x8;
typedef FontInstance<8,8,fontdata_pearl_8x8> Font_pearl_8x8;
typedef FontInstance<12,22,fontdata_sun_12x22> Font_sun_12x22;
typedef FontInstance<8,16,fontdata_sun_8x16> Font_sun_8x16;
extern Font_8x16 std_font_8x16;
extern Font_8x8 std_font_8x8;
extern Font_acorn_8x8 acorn_font_8x8;
extern Font_pearl_8x8 pearl_font_8x8;
extern Font_sun_12x22 sun_font_12x22;
extern Font_sun_8x16 sun_font_8x16;
#endif