From 14b090e5667f84a6b2de192b80053f9e068044df Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Mon, 27 Apr 2009 12:09:04 +0200
Subject: [PATCH] image: fix conversion on different endianness (FS#504)

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 image.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/image.c b/image.c
index 13994fe3..04d3389d 100644
--- a/image.c
+++ b/image.c
@@ -100,12 +100,21 @@ image_compute(image_t *image)
 
     for(i = 0; i < size; i++, dataimg += 4)
     {
+#if AWESOME_IS_BIG_ENDIAN
+        dataimg[0] = (data[i] >> 24) & 0xff;           /* A */
+        /* cairo wants pre-multiplied alpha */
+        alpha = dataimg[0] / 255.0;
+        dataimg[1] = ((data[i] >> 16) & 0xff) * alpha; /* R */
+        dataimg[2] = ((data[i] >>  8) & 0xff) * alpha; /* G */
+        dataimg[3] = (data[i]         & 0xff) * alpha; /* B */
+#else
         dataimg[3] = (data[i] >> 24) & 0xff;           /* A */
         /* cairo wants pre-multiplied alpha */
         alpha = dataimg[3] / 255.0;
         dataimg[2] = ((data[i] >> 16) & 0xff) * alpha; /* R */
         dataimg[1] = ((data[i] >>  8) & 0xff) * alpha; /* G */
         dataimg[0] = (data[i]         & 0xff) * alpha; /* B */
+#endif
     }
 }