[tkreuzer] 51886: [WIN32K] - Add a comment about alignment for GreCreateBitmap - Make bits really 32bit aligned - Remove unused variable

Author: tkreuzer
Date: Tue May 24 16:23:36 2011
New Revision: 51886

URL: http://svn.reactos.org/svn/reactos?rev=51886&view=rev
Log:
[WIN32K]
- Add a comment about alignment for GreCreateBitmap
- Make bits really 32bit aligned
- Remove unused variable

Modified:
    trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c
    trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/ntuser.c [iso-8859-1] Tue May 24 16:23:36 2011
@@ -92,9 +92,9 @@
   HANDLE  hPowerRequestEvent,
   HANDLE  hMediaRequestEvent)
 {
-    static const WORD wPattern55AA[] =
-    { 0x5555, 0, 0xaaaa, 0, 0x5555, 0, 0xaaaa, 0,
-      0x5555, 0, 0xaaaa, 0, 0x5555, 0, 0xaaaa, 0 };
+    static const DWORD wPattern55AA[] = /* 32 bit aligned */
+    { 0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa,
+      0x55555555, 0xaaaaaaaa, 0x55555555, 0xaaaaaaaa };
     HBITMAP hPattern55AABitmap = NULL;
     NTSTATUS Status;

Modified: trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c [iso-8859-1] Tue May 24 16:23:36 2011
@@ -80,7 +80,6 @@
    IN FLONG flags)
 {
     PSURFACE psurf;
-    SURFOBJ *pso;
     HBITMAP hbmp;

/* Verify format */
@@ -94,9 +93,8 @@
         return NULL;
     }

-    /* Get the handle for the bitmap and the surfobj */
+    /* Get the handle for the bitmap */
     hbmp = (HBITMAP)psurf->SurfObj.hsurf;
-    pso = &psurf->SurfObj;

/* The infamous RLE hack */
     if (iFormat == BMF_4RLE || iFormat == BMF_8RLE)
@@ -144,6 +142,7 @@

/* Creates a DDB surface,
  * as in CreateCompatibleBitmap or CreateBitmap.
+ * Note that each scanline must be 32bit aligned!
  */
 HBITMAP
 APIENTRY