45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#include <stdint.h>
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#include "asciifont.h"
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#include "bmfont.h"
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#include "Fonts/quan8x8.h"
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#include "Fonts/unifont16x16.h"
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#define ASCII_CHAR_START 0x21
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#define ASCII_CHAR_END 0x7E
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uint8_t af_get_char_data(bmf_BitmapFont *font, uint32_t unicode, uint8_t *buffer) {
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if (unicode < ASCII_CHAR_START || unicode > ASCII_CHAR_END) {
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return 0;
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}
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uint8_t ch_w = font->char_width;
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uint8_t ch_h = font->char_height;
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uint8_t wp = ch_w / 8;
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wp += (ch_w % 8) ? 1 : 0;
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uint16_t buffer_size = wp * ch_h;
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uint32_t start, curr;
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start = (unicode - ASCII_CHAR_START) * buffer_size;
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for (curr = 0; curr < buffer_size; curr ++) {
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buffer[curr] = font->font_date[start + curr];
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}
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return 1;
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}
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bmf_BitmapFont font_quan_8x8_obj = {
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af_get_char_data,
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FONT_QUAN_8_8,
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8,
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8,
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FONT_QUAN_ASCII_WIDTH_8_8
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};
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bmf_BitmapFont font_unifont_8x16_obj = {
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af_get_char_data,
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FONT_UNIFONT_8_16,
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8,
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16,
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FONT_UNIFONT_ASCII_WIDTH_8_16
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};
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bmf_BitmapFont *font_quan_8x8 = &font_quan_8x8_obj;
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bmf_BitmapFont *font_unifont_8x16 = &font_unifont_8x16_obj;
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