Fix shift bug in fetch_scanline/pixel_a2b2g2r2()

0x30 * 0x55 is 0xff0, so the red channel should be shifted four bits,
not six.

diff --git a/pixman/pixman-access.c b/pixman/pixman-access.c
index 41cd1b6..06b8411 100644 (file)
--- a/pixman/pixman-access.c
+++ b/pixman/pixman-access.c
@@ -798,7 +798,7 @@ fetch_scanline_a2b2g2r2 (pixman_image_t *image,
        uint32_t a, r, g, b;
        
        a = ((p & 0xc0) * 0x55) << 18;
-       b = ((p & 0x30) * 0x55) >> 6;
+       b = ((p & 0x30) * 0x55) >> 4;
        g = ((p & 0x0c) * 0x55) << 6;
        r = ((p & 0x03) * 0x55) << 16;
        
@@ -1594,7 +1594,7 @@ fetch_pixel_a2b2g2r2 (bits_image_t *image,
     uint32_t a, r, g, b;
     
     a = ((pixel & 0xc0) * 0x55) << 18;
-    b = ((pixel & 0x30) * 0x55) >> 6;
+    b = ((pixel & 0x30) * 0x55) >> 4;
     g = ((pixel & 0x0c) * 0x55) << 6;
     r = ((pixel & 0x03) * 0x55) << 16;