static void nsbmp_destroy(struct content *c)
{
nsbmp_content *bmp = (nsbmp_content *) c;
bmp_finalise(bmp->bmp);
free(bmp->bmp);
}
int main(const int argc, const char **argv){
initstdio();
if(argc<2){
fprintf(stderr,
"codeiq124 in.bmp >out.txt\n"
"codeiq124 io.bmp <in.txt\n"
);
return -1;
}
int pixels=0,count=0,color,last;
if(isatty(fileno(stdin))){ //decode
struct stat st;
int x,y;
FILE *in=fopen(argv[1],"rb");
if(!in){
fprintf(stderr,"cannot open %s\n",argv[2]);
return 1;
}
fstat(fileno(in),&st);
void *imgbuf=malloc(st.st_size);
fread(imgbuf,1,st.st_size,in);
fclose(in);
bmp_image gif;
bmp_bitmap_callback_vt vt={
bitmap_create,
bitmap_destroy,
bitmap_set_suspendable,
bitmap_get_buffer,
bitmap_get_bpp
};
bmp_create(&gif,&vt);
if(bmp_analyse(&gif, st.st_size, imgbuf)||bmp_decode(&gif)){fprintf(stderr,"decode error\n");bmp_finalise(&gif);free(imgbuf);return 1;}
free(imgbuf);
for(y=0;y<gif.height;y++){
for(x=0;x<gif.width;x++){
u32 coor=y*gif.width+x;
u8 b=((((u32*)gif.bitmap)[coor]&0xff0000)>>16)&0xff;
u8 g=((((u32*)gif.bitmap)[coor]&0x00ff00)>>8)&0xff;
u8 r=((((u32*)gif.bitmap)[coor]&0x0000ff)>>0)&0xff;
u8 mes=((r&7)<<5)|((g&3)<<3)|((b&7)<<0);
if(!mes)break;
putchar(mes);
}
}
bmp_finalise(&gif);
}else{ //encode
