[fireball] 44028: - Implement pattern brush realization. Based on code by Kamil Hornicek.

Author: fireball
Date: Sun Nov  8 17:49:45 2009
New Revision: 44028

URL: http://svn.reactos.org/svn/reactos?rev=44028&view=rev
Log:
- Implement pattern brush realization. Based on code by Kamil Hornicek.

Modified:
    branches/arwinss/reactos/subsystems/win32/win32k/eng/engblt.c
    branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c
    branches/arwinss/reactos/subsystems/win32/win32k/gre/brushobj.c
    branches/arwinss/reactos/subsystems/win32/win32k/include/brushobj.h

Modified: branches/arwinss/reactos/subsystems/win32/win32k/eng/engblt.c
URL: http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win32...
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/eng/engblt.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/eng/engblt.c [iso-8859-1] Sun Nov  8 17:49:45 2009
@@ -210,7 +210,7 @@
         GdiBrush = CONTAINING_RECORD(pbo, BRUSHGDI, BrushObj);
         if ((psurfPattern = SURFACE_Lock(GdiBrush->hbmPattern)))
         {
-            BltInfo.PatternSurface = &psurfPattern->SurfObj;
+            BltInfo.PatternSurface = GreRealizeBrush(GdiBrush, psurfPattern, OutputObj);
         }
         else
         {

Modified: branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c
URL: http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win32...
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c [iso-8859-1] Sun Nov  8 17:49:45 2009
@@ -306,6 +306,8 @@

BrushOrigin.x = pDC->ptBrushOrg.x + pDC->rcDcRect.left;
         BrushOrigin.y = pDC->ptBrushOrg.y + pDC->rcDcRect.top;
+
+        GreUpdateBrush(pDC->pFillBrush, pDC);

bRet = GrepBitBltEx(
             &pDC->pBitmap->SurfObj,

Modified: branches/arwinss/reactos/subsystems/win32/win32k/gre/brushobj.c
URL: http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win32...
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/gre/brushobj.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/gre/brushobj.c [iso-8859-1] Sun Nov  8 17:49:45 2009
@@ -262,6 +262,9 @@
     /* Set color to the reserved value */
     pBrush->BrushObj.iSolidColor = 0xFFFFFFFF;

+    /* Set real brush color */
+    pBrush->crForegroundClr = crColor;
+
     /* Return newly created brush */
     return pBrush;
 }
@@ -281,4 +284,52 @@
     EngFreeMem(pBrush);
 }

+SURFOBJ *
+NTAPI
+GreRealizeBrush(PBRUSHGDI GdiBrush, PSURFACE psurfPattern, SURFOBJ *OutputObj)
+{
+    SURFOBJ *psoRealize;
+    HBITMAP hbmpRealize;
+    POINTL ptlSrc = {0, 0};
+    RECTL rclDest;
+    HPALETTE hPalette;
+    LONG lWidth;
+
+    rclDest = (RECTL){0, 0, psurfPattern->SurfObj.sizlBitmap.cx, psurfPattern->SurfObj.sizlBitmap.cy};
+
+    hPalette = NULL;//pDC->pBitmap->hDIBPalette; // FIXME: use dest surface palette!
+    if (!hPalette) hPalette = pPrimarySurface->DevInfo.hpalDefault;
+
+    lWidth = DIB_GetDIBWidthBytes(psurfPattern->SurfObj.sizlBitmap.cx, BitsPerFormat(OutputObj->iBitmapFormat));
+    hbmpRealize = EngCreateBitmap(psurfPattern->SurfObj.sizlBitmap,
+                                  lWidth,
+                                  OutputObj->iBitmapFormat,
+                                  BMF_NOZEROINIT,
+                                  NULL);
+
+
+    psoRealize = EngLockSurface(hbmpRealize);
+    if (!psoRealize)
+    {
+        EngDeleteSurface(hbmpRealize);
+        return FALSE;
+    }
+
+    GdiBrush->XlateObject = IntEngCreateSrcMonoXlate(hPalette, GdiBrush->crBackgroundClr, GdiBrush->crForegroundClr);
+
+    EngCopyBits(psoRealize, &psurfPattern->SurfObj, NULL, GdiBrush->XlateObject, &rclDest, &ptlSrc);
+
+    EngUnlockSurface(psoRealize);
+
+    return psoRealize;
+}
+
+VOID
+NTAPI
+GreUpdateBrush(PBRUSHGDI pBrush, PDC pDc)
+{
+    /* Update background color, important for hatch brushes */
+    pBrush->crBackgroundClr = pDc->crBackgroundClr;
+}
+
 /* EOF */

Modified: branches/arwinss/reactos/subsystems/win32/win32k/include/brushobj.h
URL: http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win32...
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/include/brushobj.h [iso-8859-1] (original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/include/brushobj.h [iso-8859-1] Sun Nov  8 17:49:45 2009
@@ -1,5 +1,7 @@
 #ifndef __WIN32K_BRUSHOBJ_H
 #define __WIN32K_BRUSHOBJ_H
+
+struct _DC;

/* GDI Brush Attributes */
 #define GDIBRUSH_NEED_FG_CLR        0x0001
@@ -37,6 +39,8 @@
     ULONG dwStyleCount;
     HBITMAP hbmPattern;
     XLATEOBJ *XlateObject;
+    COLORREF crForegroundClr;
+    COLORREF crBackgroundClr;
 } BRUSHGDI, *PBRUSHGDI;

PBRUSHGDI NTAPI
@@ -67,4 +71,10 @@
 VOID NTAPI
 GreFreeBrush(PBRUSHGDI pBrush);

+SURFOBJ * NTAPI
+GreRealizeBrush(PBRUSHGDI GdiBrush, PSURFACE psurfPattern, SURFOBJ *OutputObj);
+
+VOID NTAPI
+GreUpdateBrush(PBRUSHGDI pBrush, struct _DC *pDc);
+
 #endif