Alexandre Julliard : wineps: Simplify the DIB byte width computation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6fd40e3cae9ac9dcad85bd6b1636ae8d49f03880
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6fd40e3cae9ac9dcad85bd6b16...

Author: Alexandre Julliard 
Date:   Mon Aug 29 12:03:17 2011 +0200

wineps: Simplify the DIB byte width computation.

---

dlls/wineps.drv/bitmap.c |   17 +----------------
 1 files changed, 1 insertions(+), 16 deletions(-)

diff --git a/dlls/wineps.drv/bitmap.c b/dlls/wineps.drv/bitmap.c
index 7f2d507..33c72d8 100644
--- a/dlls/wineps.drv/bitmap.c
+++ b/dlls/wineps.drv/bitmap.c
@@ -31,22 +31,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
 /* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */
 static inline int get_dib_width_bytes( int width, int depth )
 {
-    int words;
-
-    switch(depth)
-    {
-    case 1:  words = (width + 31) / 32; break;
-    case 4:  words = (width + 7) / 8; break;
-    case 8:  words = (width + 3) / 4; break;
-    case 15:
-    case 16: words = (width + 1) / 2; break;
-    case 24: words = (width * 3 + 3)/4; break;
-    default:
-        WARN("(%d): Unsupported depth\n", depth );
-        /* fall through */
-    case 32: words = width; break;
-    }
-    return 4 * words;
+    return ((width * depth + 31) / 8) & ~3;
 }