The-Powder-Toy/font/unpacker.c
2011-08-08 11:12:09 +01:00

109 lines
1.7 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define INCLUDE_FONTDATA
#include "font.h"
#define CELLW 12
#define CELLH 10
char xsize=CELLW, ysize=CELLH;
char base=7, top=2;
char font[256][CELLH][CELLW];
char width[256];
int bits_n = 0, bits_a = 0;
int flush_bits(void)
{
if(bits_n) {
bits_a >>= 8-bits_n;
printf("0x%02X, ", bits_a);
bits_a = 0;
bits_n = 0;
return 1;
}
return 0;
}
int stock_bits(int b, int nb)
{
bits_a >>= nb;
bits_a |= b << (8-nb);
bits_n += nb;
if(bits_n >= 8) {
printf("0x%02X, ", bits_a);
bits_a = 0;
bits_n = 0;
return 1;
}
return 0;
}
int save_char(int c)
{
int nb = 1;
int x, y;
if(!width[c])
return 0;
printf(" 0x%02X, ", width[c]);
for(y=0; y<CELLH; y++)
for(x=0; x<width[c]; x++)
nb += stock_bits(font[c][y][x]&3, 2);
nb += flush_bits();
printf("\n");
return nb;
}
void load_char(int c)
{
unsigned char *start = font_data + font_ptrs[c];
int x, y, w, b;
w = *(start ++);
if(!w)
return;
b = 0;
for(y=0; y<CELLH; y++)
for(x=0; x<w; x++) {
font[c][y][x] = ((*start) >> b) & 3;
b += 2;
if(b >= 8) {
start ++;
b = 0;
}
}
width[c] = w;
printf("%02x: %d\n", c, w);
}
char *tag = "(c) 2011 Stanislaw Skowronek";
int main(int argc, char *argv[])
{
FILE *f;
int i;
for(i=0; i<sizeof(font_ptrs)/sizeof(short); i++)
load_char(i);
f = fopen("font.bin", "w");
fwrite(&xsize, 1, 1, f);
fwrite(&ysize, 1, 1, f);
fwrite(&base, 1, 1, f);
fwrite(&top, 1, 1, f);
fwrite(width, 1, 256, f);
fwrite(font, CELLW*CELLH, 256, f);
fclose(f);
return 0;
}