new backend: glx: implement IMAGE_OP_APPLY_ALPHA

Slight change to the backend_operations::fill interface. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-05-10 08:34:58 +01:00
parent 18b1fc95ff
commit 80c7b2f7ec
6 changed files with 46 additions and 19 deletions
--- a/src/types.h
+++ b/src/types.h
@@ -22,6 +22,10 @@ typedef struct {
 	int right;
 } margin_t;

+struct color {
+	double red, green, blue, alpha;
+};
+
 typedef uint32_t opacity_t;

 #define MARGIN_INIT                                                                      \