mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-20 03:35:24 +00:00
57 lines
861 B
C
57 lines
861 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include "loadpng.h"
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/* Converts a PNG to a shifted 6 bitmap */
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/* for 80 column mode */
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int main(int argc, char **argv) {
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int row=0;
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int col=0;
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unsigned char ch;
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unsigned char *image;
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int xsize,ysize;
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if (argc<2) {
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fprintf(stderr,"Usage:\t%s INFILE\n\n",argv[0]);
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exit(-1);
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}
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if (loadpng80(argv[1],&image,&xsize,&ysize,PNG_WHOLETHING)<0) {
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fprintf(stderr,"Error loading png!\n");
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exit(-1);
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}
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fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
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ch=0;
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for(row=0;row<12;row++) {
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for(col=0;col<80;col++) {
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if (image[row*xsize+col]) {
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ch|=1<<5;
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}
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if ((row*xsize+col)%6==5) {
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printf("%c",ch+32);
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ch=0;
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}
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else {
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ch>>=1;
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}
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}
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}
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printf("\n");
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return 0;
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}
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