nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include <string.h>
nuclear@0: #include <imago2.h>
nuclear@0: 
nuclear@0: int save_image15(unsigned int *img, int x, int y, const char *fname, const char *array_name);
nuclear@0: 
nuclear@0: int main(int argc, char **argv)
nuclear@0: {
nuclear@0: 	int i;
nuclear@0: 
nuclear@0: 	if(argc < 2) {
nuclear@0: 		fprintf(stderr, "not enough arguments\n");
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	for(i=1; i<argc; i++) {
nuclear@0: 		char fname[512], *cptr;
nuclear@0: 		int x, y;
nuclear@0: 		unsigned int *img = img_load_pixels(argv[i], &x, &y, IMG_FMT_RGBA32);
nuclear@0: 		if(!img) continue;
nuclear@0: 
nuclear@0: 		strcpy(fname, argv[i]);
nuclear@0: 		cptr = strrchr(fname, '.');
nuclear@0: 		if(cptr) {
nuclear@0: 			strcpy(cptr, ".c");
nuclear@0: 		} else {
nuclear@0: 			cptr = fname + strlen(fname);
nuclear@0: 			strcpy(cptr, ".c");
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		if(save_image15(img, x, y, fname, "img") == -1) {
nuclear@0: 			fprintf(stderr, "could not save as %s\n", fname);
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		img_free_pixels(img);
nuclear@0: 	}
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: #define GET_R(pixel)	(((pixel) >> 16) & 0xff)
nuclear@0: #define GET_G(pixel)	(((pixel) >> 8) & 0xff)
nuclear@0: #define GET_B(pixel)	(((pixel) >> 0) & 0xff)
nuclear@0: 
nuclear@0: #define PACK_COLOR15(r, g, b) ((((r) & 0x1f) << 10) | (((g) & 0x1f) << 5) | ((b) & 0x1f))
nuclear@0: 
nuclear@0: int save_image15(unsigned int *img, int x, int y, const char *fname, const char *array_name)
nuclear@0: {
nuclear@0: 	int i, j;
nuclear@0: 	FILE *fp;
nuclear@0: 
nuclear@0: 	if(!(fp = fopen(fname, "w"))) {
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	fprintf(fp, "\nconst unsigned short %s[] = {\n", array_name);
nuclear@0: 
nuclear@0: 	for(j=0; j<y; j++) {
nuclear@0: 		fprintf(fp, "\t");
nuclear@0: 		for(i=0; i<x; i++) {
nuclear@0: 			unsigned short r = GET_R(*img) >> 3;
nuclear@0: 			unsigned short g = GET_G(*img) >> 3;
nuclear@0: 			unsigned short b = GET_B(*img) >> 3;
nuclear@0: 			unsigned short pixel15 = PACK_COLOR15(r, g, b);
nuclear@0: 			fprintf(fp, "%u", pixel15);
nuclear@0: 			if(i < x-1 || j < y-1) {
nuclear@0: 				fprintf(fp, ", ");
nuclear@0: 			}
nuclear@0: 			img++;
nuclear@0: 		}
nuclear@0: 		fprintf(fp, "\n");
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	fprintf(fp, "};\n");
nuclear@0: 
nuclear@0: 	fclose(fp);
nuclear@0: 	return 0;
nuclear@0: }