1 files changed, 40 insertions, 0 deletions
diff --git a/pximg.c b/pximg.c
new file mode 100644
index 0000000..f0d8515
--- /dev/null
+++ b/pximg.c
@@ -0,0 +1,40 @@
+#include <stdint.h>
+#include <stdio.h>
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+
+int main(int argc, char **argv) {
+	int img_w, img_h, img_col_chans;
+	uint8_t *img_data;
+
+	if (argc != 3) {
+		fprintf(stderr, "usage: %s image.png name\n", argv[0]);
+		return 1;
+	}
+
+	img_data = stbi_load(argv[1], &img_w, &img_h, &img_col_chans, 0);
+
+	if (img_data == NULL) {
+		fputs("error: failed to load image\n", stderr);
+		return 1;
+	}
+	if (img_col_chans != 1) {
+		fputs("error: image isn't grayscale\n", stderr);
+		stbi_image_free(img_data);
+		return 1;
+	}
+	if (img_h * img_w == 0) {
+		fputs("error: image size is 0\n", stderr);
+		stbi_image_free(img_data);
+		return 1;
+	}
+
+	printf("#include \"px.h\"\nconst PxSpr %s={%d,%d,(const uint8_t[]){",
+	       argv[2], img_w, img_h);
+	for (int i = 0; i < img_w * img_h; i++)
+		printf("%#x,", (unsigned)img_data[i]);
+	printf("}};\n");
+
+	stbi_image_free(img_data);
+	return 0;
+}