ext/rfreeimage/rfi_main.c in rfreeimage-0.1.8 vs ext/rfreeimage/rfi_main.c in rfreeimage-0.1.9

@@ -499,10 +499,34 @@
 		}
 	}
 	return rfi_get_image(nh);
 }
 
+static VALUE Image_flip_horizontal(VALUE self) {
+	struct native_image *img;
+	FIBITMAP *nh;
+
+	Data_Get_Struct(self, struct native_image, img);
+	RFI_CHECK_IMG(img);
+	nh = FreeImage_Clone(img->handle);
+	if(FreeImage_FlipHorizontal(nh) == FALSE)
+		rb_raise(Class_RFIError, "Malloc Failed");
+	return rfi_get_image(nh);
+}
+
+static VALUE Image_flip_vertical(VALUE self) {
+	struct native_image *img;
+	FIBITMAP *nh;
+
+	Data_Get_Struct(self, struct native_image, img);
+	RFI_CHECK_IMG(img);
+	nh = FreeImage_Clone(img->handle);
+	if(FreeImage_FlipVertical(nh) == FALSE)
+		rb_raise(Class_RFIError, "Malloc Failed");
+	return rfi_get_image(nh);
+}
+
 static VALUE Image_crop(VALUE self, VALUE _left, VALUE _top, VALUE _right, VALUE _bottom)
 {
 	struct native_image *img;
 	FIBITMAP *nh;
 	int left = NUM2INT(_left);
@@ -703,9 +727,11 @@
 	rb_define_method(Class_Image, "rotate", Image_rotate, 1);
 	rb_define_method(Class_Image, "rescale", Image_rescale, 3);
 	rb_define_method(Class_Image, "downscale", Image_downscale, 1);
 	rb_define_method(Class_Image, "crop", Image_crop, 4);
 	rb_define_method(Class_Image, "to_blob", Image_to_blob, 1);
+	rb_define_method(Class_Image, "flip_horizontal", Image_flip_horizontal, 0);
+	rb_define_method(Class_Image, "flip_vertical", Image_flip_vertical, 0);
 
 	/* draw */
 	rb_define_method(Class_Image, "draw_point", Image_draw_point, 4);
 	rb_define_method(Class_Image, "draw_rectangle", Image_draw_rectangle, 4 + 2);