int handle_decode_arguments(char **argv, Images &images, int quality, int scale) {
char *ext = strrchr(argv[1],'.');
if (!check_compatible_extension(ext)) {
e_printf("Error: expected \".png\", \".pnm\" or \".pam\" file name extension for output file\n");
return 1;
}
FILE *file = fopen(argv[0],"rb");
if(!file)
return 1;
FileIO fio(file, argv[0]);
if (!flif_decode(fio, images, quality, scale)) return 3;
if (scale>1)
v_printf(3,"Downscaling output: %ux%u -> %ux%u\n",images[0].cols(),images[0].rows(),images[0].cols()/scale,images[0].rows()/scale);
if (images.size() == 1) {
if (!images[0].save(argv[1],scale)) return 2;
} else {
int counter=0;
std::vector<char> vfilename(strlen(argv[1])+6);
char *filename = &vfilename[0];
strcpy(filename,argv[1]);
char *a_ext = strrchr(filename,'.');
for (Image& image : images) {
sprintf(a_ext,"-%03d%s",counter++,ext);
if (!image.save(filename,scale)) return 2;
v_printf(2," (%i/%i) \r",counter,(int)images.size()); v_printf(4,"\n");
}
}
v_printf(2,"\n");
return -1;
}
bool decode_flif(char **argv, Images &images, flif_options &options) {
FILE *file = NULL;
if (!strcmp(argv[0],"-")) file = stdin;
else file = fopen(argv[0],"rb");
if(!file) return false;
FileIO fio(file, (file==stdin ? "from standard input" : argv[0]));
metadata_options md;
md.icc = options.color_profile;
md.xmp = options.metadata;
md.exif = options.metadata;
return flif_decode(fio, images, options, md);
}
bool decode_flif(char **argv, Images &images, int quality, int scale, int resize_width, int resize_height) {
FILE *file = fopen(argv[0],"rb");
if(!file) return false;
FileIO fio(file, argv[0]);
return flif_decode(fio, images, quality, scale, resize_width, resize_height);
}
