gdi32: Use NtGdiDoPalette for GetDIBColorTable and SetDIBColorTable.

dlls/gdi32/dib.c

@@ -910,10 +910,7 @@ INT WINAPI NtGdiSetDIBitsToDeviceInternal( HDC hdc, INT xDest, INT yDest, DWORD
     return ret;
 }
 
-/***********************************************************************
- *           SetDIBColorTable    (GDI32.@)
- */
-UINT WINAPI SetDIBColorTable( HDC hdc, UINT startpos, UINT entries, const RGBQUAD *colors )
+UINT set_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries, const RGBQUAD *colors )
 {
     DC * dc;
     UINT i, result = 0;
@@ -949,10 +946,7 @@ UINT WINAPI SetDIBColorTable( HDC hdc, UINT startpos, UINT entries, const RGBQUA
 }
 
 
-/***********************************************************************
- *           GetDIBColorTable    (GDI32.@)
- */
-UINT WINAPI GetDIBColorTable( HDC hdc, UINT startpos, UINT entries, RGBQUAD *colors )
+UINT get_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries, RGBQUAD *colors )
 {
     DC * dc;
     BITMAPOBJ *bitmap;

dlls/gdi32/ntgdi_private.h

@@ -241,6 +241,10 @@ extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
                                     const struct gdi_image_bits *bits, struct bitblt_coords *src,
                                     struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
+extern UINT get_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries,
+                                    RGBQUAD *colors ) DECLSPEC_HIDDEN;
+extern UINT set_dib_dc_color_table( HDC hdc, UINT startpos, UINT entries,
+                                    const RGBQUAD *colors ) DECLSPEC_HIDDEN;
 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
 
 extern NTSTATUS init_opengl_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out ) DECLSPEC_HIDDEN;

dlls/gdi32/objects.c

@@ -594,3 +594,19 @@ UINT WINAPI GetSystemPaletteEntries( HDC hdc, UINT start, UINT count, PALETTEENT
 
     return 0;
 }
+
+/***********************************************************************
+ *           GetDIBColorTable    (GDI32.@)
+ */
+UINT WINAPI GetDIBColorTable( HDC hdc, UINT start, UINT count, RGBQUAD *colors )
+{
+    return NtGdiDoPalette( hdc, start, count, colors, NtGdiGetDIBColorTable, TRUE );
+}
+
+/***********************************************************************
+ *           SetDIBColorTable    (GDI32.@)
+ */
+UINT WINAPI SetDIBColorTable( HDC hdc, UINT start, UINT count, const RGBQUAD *colors )
+{
+    return NtGdiDoPalette( hdc, start, count, (void *)colors, NtGdiSetDIBColorTable, FALSE );
+}

dlls/gdi32/palette.c

@@ -635,6 +635,10 @@ LONG WINAPI NtGdiDoPalette( HGDIOBJ handle, WORD start, WORD count, void *entrie
         return get_palette_entries( handle, start, count, entries );
     case NtGdiGetSystemPaletteEntries:
         return get_system_palette_entries( handle, start, count, entries );
+    case NtGdiSetDIBColorTable:
+        return set_dib_dc_color_table( handle, start, count, entries );
+    case NtGdiGetDIBColorTable:
+        return get_dib_dc_color_table( handle, start, count, entries );
     default:
         WARN( "invalid func %u\n", func );
         return 0;