Alexandre Julliard : gdi32: Avoid creating a copy of the pattern bits for the R2_COPYPEN case.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a796ad5ed8d06c6ac2edb67242e00b646bf1e6ca
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a796ad5ed8d06c6ac2edb67242e00b646bf1e6ca

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Thu Nov 29 17:59:59 2012 +0100

gdi32: Avoid creating a copy of the pattern bits for the R2_COPYPEN case.

---

 dlls/gdi32/dibdrv/objects.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/dlls/gdi32/dibdrv/objects.c b/dlls/gdi32/dibdrv/objects.c
index b658af6..8dee8e8 100644
--- a/dlls/gdi32/dibdrv/objects.c
+++ b/dlls/gdi32/dibdrv/objects.c
@@ -1782,7 +1782,7 @@ static BOOL alloc_brush_mask_bits( dib_brush *brush )
 
 static void free_brush_mask_bits( dib_brush *brush )
 {
-    HeapFree(GetProcessHeap(), 0, brush->masks.and);
+    if (brush->masks.xor != brush->dib.bits.ptr) HeapFree(GetProcessHeap(), 0, brush->masks.xor);
     brush->masks.and = brush->masks.xor = NULL;
 }
 
@@ -1798,6 +1798,12 @@ static BOOL create_pattern_brush_bits( dib_brush *brush )
     DWORD *brush_bits = brush->dib.bits.ptr;
     DWORD *and_bits, *xor_bits;
 
+    if (brush->rop == R2_COPYPEN)
+    {
+        brush->masks.xor = brush_bits;  /* use the pattern bits directly */
+        return TRUE;
+    }
+
     if (!alloc_brush_mask_bits( brush )) return FALSE;
 
     and_bits = brush->masks.and;