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png2rle: paramaterize

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This commit is contained in:
Vince Weaver 2017-12-15 14:15:26 -05:00
parent 819b618b70
commit 35923c2634
1 changed files with 45 additions and 25 deletions
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70
gr-utils/png2rle.c
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@ -14,46 +14,26 @@
/* Converts a PNG to RLE compressed data */
int main(int argc, char **argv) {
int rle_original(int out_type, char *varname,
int xsize,int ysize, unsigned char *image) {
int run=0;
int x;
unsigned char *image;
int xsize,ysize,last=-1,next;
int last=-1,next;
int size=0;
int out_type=OUTPUT_C;
int count=0;
if (argc<4) {
fprintf(stderr,"Usage:\t%s type INFILE varname\n\n",argv[0]);
exit(-1);
}
if (!strcmp(argv[1],"c")) {
out_type=OUTPUT_C;
}
else if (!strcmp(argv[1],"asm")) {
out_type=OUTPUT_ASM;
}
if (loadpng(argv[2],&image,&xsize,&ysize)<0) {
fprintf(stderr,"Error loading png!\n");
exit(-1);
}
fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
x=0;
/* Write out xsize and ysize */
if (out_type==OUTPUT_C) {
fprintf(stdout,"unsigned char %s[]={\n",argv[3]);
fprintf(stdout,"unsigned char %s[]={\n",varname);
fprintf(stdout,"\t0x%X,0x%X,",xsize,ysize);
}
else {
fprintf(stdout,"%s:",argv[3]);
fprintf(stdout,"%s:",varname);
fprintf(stdout,"\t.byte $%X,$%X",xsize,ysize);
}
@ -146,7 +126,47 @@ int main(int argc, char **argv) {
size+=2;
return size;
}
/* Converts a PNG to RLE compressed data */
int main(int argc, char **argv) {
unsigned char *image;
int xsize,ysize;
int size=0;
int out_type=OUTPUT_C;
if (argc<4) {
fprintf(stderr,"Usage:\t%s type INFILE varname\n\n",argv[0]);
exit(-1);
}
if (!strcmp(argv[1],"c")) {
out_type=OUTPUT_C;
}
else if (!strcmp(argv[1],"asm")) {
out_type=OUTPUT_ASM;
}
if (loadpng(argv[2],&image,&xsize,&ysize)<0) {
fprintf(stderr,"Error loading png!\n");
exit(-1);
}
fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
size=rle_original(out_type,argv[3],
xsize,ysize,image);
fprintf(stderr,"Size %d bytes\n",size);
return 0;
}