gdi32: Recompute the pen masks on every use to support PALETTEINDEX colors.

dlls/gdi32/dibdrv/dc.c

@@ -259,13 +259,11 @@ DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bit
 
 static void update_fg_colors( dibdrv_physdev *pdev )
 {
-    pdev->pen_color   = get_pixel_color( pdev, pdev->pen_colorref,   TRUE );
     pdev->text_color  = get_pixel_color( pdev, GetTextColor( pdev->dev.hdc ), TRUE );
 }
 
 static void update_masks( dibdrv_physdev *pdev, INT rop )
 {
-    calc_and_xor_masks( rop, pdev->pen_color, &pdev->pen_and, &pdev->pen_xor );
     update_brush_rop( pdev, rop );
     if( GetBkMode( pdev->dev.hdc ) == OPAQUE )
         calc_and_xor_masks( rop, pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor );

dlls/gdi32/dibdrv/dibdrv.h

@@ -83,10 +83,11 @@ typedef struct dibdrv_physdev
 
     /* pen */
     COLORREF pen_colorref;
-    DWORD pen_color, pen_and, pen_xor, pen_endcap, pen_join;
+    DWORD pen_endcap, pen_join;
     int pen_width;
     dash_pattern pen_pattern;
     dash_pos dash_pos;
+    rop_mask dash_masks[2];
     BOOL   (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts, BOOL close);
 
     /* brush */