[ros-diffs] [fireball] 45601: - Implement SetDIBColorTable.

Author: fireball
Date: Tue Feb 16 20:56:35 2010
New Revision: 45601

URL: http://svn.reactos.org/svn/reactos?rev=45601&view=rev
Log:
- Implement SetDIBColorTable.

Modified:
    branches/arwinss/reactos/dll/win32/winent.drv/gdidrv.c
    branches/arwinss/reactos/subsystems/win32/win32k/gdi/bitmap.c
    branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c
    branches/arwinss/reactos/subsystems/win32/win32k/include/gre.h

Modified: branches/arwinss/reactos/dll/win32/winent.drv/gdidrv.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/dll/win32/winen…
==============================================================================
--- branches/arwinss/reactos/dll/win32/winent.drv/gdidrv.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/dll/win32/winent.drv/gdidrv.c [iso-8859-1] Tue Feb 16
20:56:35 2010
@@ -717,8 +717,7 @@
 
 UINT CDECL RosDrv_SetDIBColorTable( NTDRV_PDEVICE *physDev, UINT start, UINT count, const
RGBQUAD *colors )
 {
-    UNIMPLEMENTED;
-    return 0;
+    return RosGdiSetDIBColorTable(physDev->hKernelDC, start, count, colors);
 }
 
 INT CDECL RosDrv_SetDIBits( NTDRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,

Modified: branches/arwinss/reactos/subsystems/win32/win32k/gdi/bitmap.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win3…
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/gdi/bitmap.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/gdi/bitmap.c [iso-8859-1] Tue Feb 16
20:56:35 2010
@@ -351,10 +351,20 @@
     return 0;
 }
 
-UINT APIENTRY RosGdiSetDIBColorTable( HDC physDev, UINT start, UINT count, const RGBQUAD
*colors )
-{
-    UNIMPLEMENTED;
-    return 0;
+UINT APIENTRY RosGdiSetDIBColorTable( HDC physDev, UINT StartIndex, UINT Entries, const
RGBQUAD *Colors )
+{
+    PDC pDC;
+
+    /* Get a pointer to the DCs */
+    pDC = DC_Lock(physDev);
+
+    Entries = GreSetDIBColorTable(pDC, StartIndex, Entries, Colors);
+
+    /* Release DC objects */
+    DC_Unlock(pDC);
+
+    /* Return amount of lines set */
+    return Entries;
 }
 
 INT APIENTRY RosGdiSetDIBits(HDC physDev, HBITMAP hUserBitmap, UINT StartScan,

Modified: branches/arwinss/reactos/subsystems/win32/win32k/gre/bitblt.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win3…
==============================================================================
--- 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] Tue Feb 16
20:56:35 2010
@@ -1227,4 +1227,53 @@
     return ret;
 }
 
+UINT
+NTAPI
+GreSetDIBColorTable(
+    PDC dc,
+    UINT StartIndex,
+    UINT Entries,
+    CONST RGBQUAD *Colors)
+{
+    PSURFACE psurf;
+    PPALETTE PalGDI;
+    UINT Index;
+    ULONG biBitCount;
+
+    psurf = dc->pBitmap;
+    if (psurf == NULL)
+    {
+        SetLastWin32Error(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
+
+    biBitCount = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
+    if (biBitCount <= 8 && StartIndex < (1 << biBitCount))
+    {
+        if (StartIndex + Entries > (1 << biBitCount))
+            Entries = (1 << biBitCount) - StartIndex;
+
+        PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
+        if (PalGDI == NULL)
+        {
+            SetLastWin32Error(ERROR_INVALID_HANDLE);
+            return 0;
+        }
+
+        for (Index = StartIndex;
+             Index < StartIndex + Entries && Index < PalGDI->NumColors;
+             Index++)
+        {
+            PalGDI->IndexedColors[Index].peRed = Colors[Index - StartIndex].rgbRed;
+            PalGDI->IndexedColors[Index].peGreen = Colors[Index -
StartIndex].rgbGreen;
+            PalGDI->IndexedColors[Index].peBlue = Colors[Index - StartIndex].rgbBlue;
+        }
+        PALETTE_UnlockPalette(PalGDI);
+    }
+    else
+        Entries = 0;
+
+    return Entries;
+}
+
 /* EOF */

Modified: branches/arwinss/reactos/subsystems/win32/win32k/include/gre.h
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win3…
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/include/gre.h [iso-8859-1]
(original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/include/gre.h [iso-8859-1] Tue Feb 16
20:56:35 2010
@@ -109,6 +109,14 @@
     CONST BITMAPINFO  *bmi,
     UINT  ColorUse);
 
+UINT
+NTAPI
+GreSetDIBColorTable(
+    PDC pDC,
+    UINT StartIndex,
+    UINT Entries,
+    CONST RGBQUAD *Colors);
+
 INT FASTCALL
 BitsPerFormat(ULONG Format);