X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=winboard%2Fwinboard.c;h=424daa587ad62b40c6036f63506957e681203ab3;hb=1e073d7e7d24716130abdcf37711de64aa06ecd7;hp=ba81156fe077b68325c942dd9433e08b67f8ce74;hpb=c3c55f17d3d710e42393422550594fe1ce6def6c;p=xboard.git

diff --git a/winboard/winboard.c b/winboard/winboard.c
index ba81156..424daa5 100644
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -5,7 +5,8 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
+ * Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -4105,7 +4106,12 @@ HDCDrawPosition(HDC hdc, BOOLEAN repaint, Board board)
   if(saveDiagFlag) { 
     BITMAP b; int i, j=0, m, w, wb, fac=0; char *pData; 
     BITMAPINFOHEADER bih; int color[16], nrColors=0;
+    HBITMAP src = bufferBitmap, obmp; HDC tmp = CreateCompatibleDC(hdc);
 
+    bufferBitmap = CreateCompatibleBitmap(hdc, boardRect.right-boardRect.left, Rect.bottom-Rect.top-2*OUTER_MARGIN);
+    obmp = SelectObject(tmp, bufferBitmap);
+    BitBlt(tmp, 0, 0, boardRect.right - boardRect.left, Rect.bottom - Rect.top - 2*OUTER_MARGIN,
+           tmphdc, boardRect.left, OUTER_MARGIN, SRCCOPY);
     GetObject(bufferBitmap, sizeof(b), &b);
     if(pData = malloc(b.bmWidthBytes*b.bmHeight + 10000)) {
 	bih.biSize = sizeof(BITMAPINFOHEADER);
@@ -4173,6 +4179,9 @@ HDCDrawPosition(HDC hdc, BOOLEAN repaint, Board board)
 		fputc(pData[i], diagFile);
 	free(pData);
      }
+     DeleteObject(bufferBitmap); bufferBitmap = src;
+     SelectObject(tmp, obmp);
+     DeleteDC(tmp);
   }
 
   SelectObject(tmphdc, oldBitmap);