- add image flip API support

diff --git a/ext/gd/libgd/gd.h b/ext/gd/libgd/gd.h
index 8aedc2c38c28b60bb19a75b9b90de72cfc1ec24e..c4a47af7fda5a7969e12ab369416c9a44b5fbdc9 100644 (file)
--- a/ext/gd/libgd/gd.h
+++ b/ext/gd/libgd/gd.h
@@ -682,6 +682,14 @@ int gdImageSmooth(gdImagePtr im, float weight);
 /* Image comparison definitions */
 int gdImageCompare(gdImagePtr im1, gdImagePtr im2);
 
+void gdImageFlipHorizontal(gdImagePtr im);
+void gdImageFlipVertical(gdImagePtr im);
+void gdImageFlipBoth(gdImagePtr im);
+
+#define GD_FLIP_HORINZONTAL 1
+#define GD_FLIP_VERTICAL 2
+#define GD_FLIP_BOTH 3
+
 #define GD_CMP_IMAGE           1       /* Actual image IS different */
 #define GD_CMP_NUM_COLORS      2       /* Number of Colours in pallette differ */
 #define GD_CMP_COLOR           4       /* Image colours differ */