X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=tools%2Fpngdump%2Fimage.c;h=b3069f7c5b253a02450ad7aa7efb32c64ac0f167;hb=7cc6746ff112ccd3fafef1be1a4843a5d972a49c;hp=5602354e291039b08f985c84d0a4962ec65a64b3;hpb=95693de3106b0304fe8e5c705c37e633f91a4ad5;p=gbajam21

diff --git a/tools/pngdump/image.c b/tools/pngdump/image.c
index 5602354..b3069f7 100644
--- a/tools/pngdump/image.c
+++ b/tools/pngdump/image.c
@@ -102,18 +102,26 @@ int load_image(struct image *img, const char *fname)
 
 int save_image(struct image *img, const char *fname)
 {
-	int i, chan_bits, coltype;
 	FILE *fp;
-	png_struct *png;
-	png_info *info;
-	png_text txt;
-	unsigned char **scanline = 0;
-	unsigned char *pptr;
+	int res;
 
 	if(!(fp = fopen(fname, "wb"))) {
 		fprintf(stderr, "save_image: failed to open: %s: %s\n", fname, strerror(errno));
 		return -1;
 	}
+	res = save_image_file(img, fp);
+	fclose(fp);
+	return res;
+}
+
+int save_image_file(struct image *img, FILE *fp)
+{
+	int i, chan_bits, coltype;
+	png_struct *png;
+	png_info *info;
+	png_text txt;
+	unsigned char **scanline = 0;
+	unsigned char *pptr;
 
 	if(!(png = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0))) {
 		fclose(fp);
@@ -182,7 +190,6 @@ int save_image(struct image *img, const char *fname)
 	png_write_png(png, info, 0, 0);
 	png_destroy_write_struct(&png, &info);
 	free(scanline);
-	fclose(fp);
 	return 0;
 }