You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.1 KiB
82 lines
2.1 KiB
2 years ago
|
#include "ufb/font.h"
|
||
|
|
#include "ufb/utf8.h"
|
||
|
|
#include "ufb/progmem.h"
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
union utf_lookup {
|
||
|
|
const char symbol[4];
|
||
|
|
/// symbol as uint, but not decoded - just for matching!
|
||
|
|
const uint32_t uint;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct utf_glyph5x {
|
||
|
|
union utf_lookup utf;
|
||
|
|
font5x_bitmap_t graphic;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct utf_glyph4x {
|
||
|
|
union utf_lookup utf;
|
||
|
|
font4x_bitmap_t graphic;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct utf_glyph3x {
|
||
|
|
union utf_lookup utf;
|
||
|
|
font3x_bitmap_t graphic;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#include "font_35.inc.c"
|
||
|
|
#include "font_45.inc.c"
|
||
|
|
#include "font_57.inc.c"
|
||
|
|
|
||
|
|
|
||
|
|
#define ASCII_START 0x20
|
||
|
|
#define ASCII_END 0x7e
|
||
|
|
|
||
|
|
#define FONT_GETSYM_IMPL(rettype, symtype, fontname) \
|
||
|
|
const rettype *fontname##_getsym(const struct Utf8Char *ch) { \
|
||
|
|
const uint8_t byte0 = ch->bytes[0]; \
|
||
|
|
if (byte0 < ASCII_START) { \
|
||
|
|
goto fail; \
|
||
|
|
} \
|
||
|
|
if (byte0 <= ASCII_END) { \
|
||
|
|
return &fontname##_ascii[byte0 - ASCII_START]; \
|
||
|
|
} \
|
||
|
|
for (uint8_t i = 0; i < sizeof(fontname##_extra) / sizeof(fontname##_extra[0]); i++) { \
|
||
|
|
const struct symtype *sym = &fontname##_extra[i]; \
|
||
|
|
const uint32_t table_ch = pgm_read_dword(&sym->utf.uint); \
|
||
|
|
if (table_ch == ch->uint) { \
|
||
|
|
return &sym->graphic; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
fail: return &fontname ## _extra[0].graphic; \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
FONT_GETSYM_IMPL(font5x_bitmap_t, utf_glyph5x, font57)
|
||
|
|
FONT_GETSYM_IMPL(font4x_bitmap_t, utf_glyph4x, font45)
|
||
|
|
FONT_GETSYM_IMPL(font3x_bitmap_t, utf_glyph3x, font35)
|
||
|
|
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
const font5x_bitmap_t *font57_getsym(const struct Utf8Char *ch)
|
||
|
|
{
|
||
|
|
const uint8_t byte0 = ch->bytes[0];
|
||
|
|
if (byte0 < ASCII_START) {
|
||
|
|
goto fail;
|
||
|
|
}
|
||
|
|
if (byte0 <= ASCII_END) {
|
||
|
|
return &font57_ascii[byte0 - ASCII_START];
|
||
|
|
}
|
||
|
|
for (uint8_t i = 0; i < sizeof(font57_extra) / sizeof(font57_extra[0]); i++) {
|
||
|
|
const struct utf_glyph5x *sym = &font57_extra[i];
|
||
|
|
const uint32_t table_ch = pgm_read_dword(&sym->uint);
|
||
|
|
if (table_ch == ch->uint) {
|
||
|
|
return &sym->graphic;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
fail:
|
||
|
|
return &font57_extra[0].graphic; // replacement character
|
||
|
|
}
|
||
|
|
#endif
|