From cd1f09d35978f03772814f72cff370e7fa3dfb30 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric@osg.samsung.com>
Date: Fri, 3 Apr 2015 16:31:39 +0200
Subject: [PATCH] evas: all color in evas are premultiplied, enforce with
 warning when not.

---
 src/lib/evas/canvas/evas_vg_node.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/lib/evas/canvas/evas_vg_node.c b/src/lib/evas/canvas/evas_vg_node.c
index c368634a5c..c5e96b8dc0 100644
--- a/src/lib/evas/canvas/evas_vg_node.c
+++ b/src/lib/evas/canvas/evas_vg_node.c
@@ -105,6 +105,26 @@ _efl_vg_base_efl_gfx_base_color_set(Eo *obj EINA_UNUSED,
                                     Efl_VG_Base_Data *pd,
                                     int r, int g, int b, int a)
 {
+   if (r > 255) r = 255; if (r < 0) r = 0;
+   if (g > 255) g = 255; if (g < 0) g = 0;
+   if (b > 255) b = 255; if (b < 0) b = 0;
+   if (a > 255) a = 255; if (a < 0) a = 0;
+   if (r > a)
+     {
+        r = a;
+        ERR("Evas only handles pre multiplied colors!");
+     }
+   if (g > a)
+     {
+        g = a;
+        ERR("Evas only handles pre multiplied colors!");
+     }
+   if (b > a)
+     {
+        b = a;
+        ERR("Evas only handles pre multiplied colors!");
+     }
+
    pd->r = r;
    pd->g = g;
    pd->b = b;