--- a/src/paint.c	Sat Aug 02 15:46:26 2008 +0800
+++ b/src/paint.c	Sat Aug 02 16:06:53 2008 +0800
@@ -5,7 +5,7 @@
 
 typedef struct _paint_color {
     paint_t paint;
-    co_comp_t r, g, b;
+    co_comp_t r, g, b, a;
     redraw_man_t *rdman;
 } paint_color_t;
 
@@ -13,7 +13,7 @@
 static void paint_color_prepare(paint_t *paint, cairo_t *cr) {
     paint_color_t *color = (paint_color_t *)paint;
 
-    cairo_set_source_rgb(cr, color->r, color->g, color->b);
+    cairo_set_source_rgba(cr, color->r, color->g, color->b, color->a);
 }
 
 static void paint_color_free(paint_t *paint) {
@@ -24,7 +24,8 @@
 }
 
 paint_t *paint_color_new(redraw_man_t *rdman,
-			 co_comp_t r, co_comp_t g, co_comp_t b) {
+			 co_comp_t r, co_comp_t g,
+			 co_comp_t b, co_comp_t a) {
     paint_color_t *color;
 
     color = (paint_color_t *)malloc(sizeof(paint_color_t));
@@ -34,15 +35,18 @@
     color->r = r;
     color->g = g;
     color->b = b;
+    color->a = a;
     paint_init(&color->paint, paint_color_prepare, paint_color_free);
     return (paint_t *)color;
 }
 
 void paint_color_set(paint_t *paint,
-		     co_comp_t r, co_comp_t g, co_comp_t b) {
+		     co_comp_t r, co_comp_t g,
+		     co_comp_t b, co_comp_t a) {
     paint_color_t *color = (paint_color_t *)paint;
 
     color->r = r;
     color->g = g;
     color->b = b;
+    color->a = a;
 }