nuclear@10: #include <stdio.h>
nuclear@10: #include <imago2.h>
nuclear@10: 
nuclear@10: int main(int argc, char **argv)
nuclear@10: {
nuclear@10: 	const char *infile = "foo.jpg";
nuclear@10: 	const char *outfile = "bar.jpg";
nuclear@10: 	int i, j, xsz = 512, ysz = 512;
nuclear@10: 	struct img_pixmap img;
nuclear@10: 
nuclear@10: 	for(i=1; i<argc; i++) {
nuclear@10: 		if(argv[i][0] == '-' && argv[i][2] == 0) {
nuclear@10: 			switch(argv[i][1]) {
nuclear@10: 			case 'i':
nuclear@10: 				infile = argv[++i];
nuclear@10: 				break;
nuclear@10: 
nuclear@10: 			case 'o':
nuclear@10: 				outfile = argv[++i];
nuclear@10: 				break;
nuclear@10: 
nuclear@10: 			default:
nuclear@10: 				fprintf(stderr, "invalid option: %s\n", argv[i]);
nuclear@10: 				return 1;
nuclear@10: 			}
nuclear@10: 		} else {
nuclear@10: 			fprintf(stderr, "invalid argument: %s\n", argv[i]);
nuclear@10: 			return 1;
nuclear@10: 		}
nuclear@10: 	}
nuclear@10: 
nuclear@10: 	img_init(&img);
nuclear@10: 
nuclear@10: 	if(img_load(&img, infile) == -1) {
nuclear@10: 		unsigned char *pix;
nuclear@10: 
nuclear@10: 		fprintf(stderr, "failed to load image: %s, generating instead\n", infile);
nuclear@10: 
nuclear@10: 		if(img_set_pixels(&img, xsz, ysz, IMG_FMT_RGB24, 0) == -1) {
nuclear@10: 			perror("wtf");
nuclear@10: 			return 1;
nuclear@10: 		}
nuclear@10: 
nuclear@10: 		pix = img.pixels;
nuclear@10: 		for(i=0; i<ysz; i++) {
nuclear@10: 			for(j=0; j<xsz; j++) {
nuclear@10: 				int bw = ((i >> 5) & 1) == ((j >> 5) & 1);
nuclear@10: 
nuclear@10: 				*pix++ = bw ? 255 : 0;
nuclear@10: 				*pix++ = 127;
nuclear@10: 				*pix++ = bw ? 0 : 255;
nuclear@10: 			}
nuclear@10: 		}
nuclear@10: 	}
nuclear@10: 
nuclear@10: 	if(img_save(&img, outfile) == -1) {
nuclear@10: 		fprintf(stderr, "failed to save file %s\n", outfile);
nuclear@10: 		return 1;
nuclear@10: 	}
nuclear@10: 
nuclear@10: 	img_destroy(&img);
nuclear@10: 	return 0;
nuclear@10: }