swap first two arguments

1 files changed, 4 insertions, 4 deletions

diff --git a/pximg.c b/pximg.c
index ba0f019..2eec9b8 100644
--- a/pximg.c
+++ b/pximg.c
@@ -9,7 +9,7 @@ static int indexed(char **argv);
 int
 main(int argc, char **argv) {
 	if (argc != 3 && argc != 4) {
-		fprintf(stderr, "usage: %s image.png name [palette.png]\n",
+		fprintf(stderr, "usage: %s name image.png [palette.png]\n",
 		        argv[0]);
 		return 1;
 	}
@@ -42,7 +42,7 @@ grayscale(char **argv)
 	}
 
 	printf("#include \"px.h\"\nconst PxSpr %s={%d,%d,(uint8_t[]){",
-	       argv[2], img_w, img_h);
+	       argv[1], img_w, img_h);
 	for (int i = 0; i < img_w * img_h; i++)
 		printf("%u,", (unsigned)img_data[i]);
 	printf("}};\n");
@@ -89,7 +89,7 @@ indexed(char **argv)
 	/* read image */
 	int img_w, img_h, img_col_chans;
 	uint8_t *const img_data =
-	    stbi_load(argv[1], &img_w, &img_h, &img_col_chans, 3);
+	    stbi_load(argv[2], &img_w, &img_h, &img_col_chans, 3);
 
 	if (img_data == NULL) {
 		fprintf(stderr, "error: failed to load image\n");
@@ -107,7 +107,7 @@ indexed(char **argv)
 	}
 
 	printf("#include \"px.h\"\nconst PxSpr %s={%d,%d,(uint8_t[]){",
-	       argv[2], img_w, img_h);
+	       argv[1], img_w, img_h);
 	for (int i = 0; i < img_w * img_h; i++) {
 		int col = -1;
 		for (int k = 0; k < pal_size; k++)