implement PS_USERSTYLE handling, tested with Dia(win32)

[Hans Breuer]

 From b89af7d06fc8cbf5210c61fd58ed62caeddad968 Mon Sep 17 00:00:00 2001
From: Hans Breuer <hans at breuer.org>
Date: Sun, 29 Mar 2009 18:27:29 +0200
Subject: implement PS_USERSTYLE handling, tested with Dia(win32) - see
  http://hans.breuer.org/dia/dia-wine.htm

---
  dlls/winex11.drv/pen.c |   31 +++++++++++++++++++++++++++----
  1 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/dlls/winex11.drv/pen.c b/dlls/winex11.drv/pen.c
index 49fe74c..039798e 100644
--- a/dlls/winex11.drv/pen.c
+++ b/dlls/winex11.drv/pen.c
@@ -54,12 +54,33 @@ HPEN CDECL X11DRV_SelectPen( X11DRV_PDEVICE *physDev, 
HPEN hpen )
          elp = HeapAlloc( GetProcessHeap(), 0, size );

          GetObjectW( hpen, size, elp );
-        /* FIXME: add support for user style pens */
          logpen.lopnStyle = elp->elpPenStyle;
          logpen.lopnWidth.x = elp->elpWidth;
          logpen.lopnWidth.y = 0;
          logpen.lopnColor = elp->elpColor;
-
+        /* support for user style pens */
+        if (MAX_DASHLEN < elp->elpNumEntries)
+        {
+            FIXME("PS_USERSTYLE: len(dashes)>MAX_DASHLEN %d,%d\n", 
elp->elpNumEntries, MAX_DASHLEN);
+            physDev->pen.dash_len = 0;
+        }
+        else
+        {
+            BOOL overflow = FALSE;
+            physDev->pen.dash_len = elp->elpNumEntries;
+            for (i = 0; i < elp->elpNumEntries; ++i)
+            {
+                if (elp->elpStyleEntry[i] > 255)
+                {
+                    overflow = TRUE; /* can't fit the type */
+                    physDev->pen.dashes[i] = 255;
+                }
+                else
+                    physDev->pen.dashes[i] = (char)elp->elpStyleEntry[i];
+            }
+            if (overflow)
+                FIXME("PS_USERSTYLE: dashes clipped (type overflow)\n");
+        }
          HeapFree( GetProcessHeap(), 0, elp );
      }
      else
@@ -108,14 +129,16 @@ HPEN CDECL X11DRV_SelectPen( X11DRV_PDEVICE *physDev, 
HPEN hpen )
              memcpy(physDev->pen.dashes, PEN_alternate, 
physDev->pen.dash_len);
              break;
        case PS_USERSTYLE:
-        FIXME("PS_USERSTYLE is not supported\n");
+            /* handled above */
+            break;
          /* fall through */
        default:
          physDev->pen.dash_len = 0;
          break;
      }
      if(physDev->pen.ext && physDev->pen.dash_len &&
-        (logpen.lopnStyle & PS_STYLE_MASK) != PS_ALTERNATE)
+        (logpen.lopnStyle & PS_STYLE_MASK) != PS_ALTERNATE &&
+        (logpen.lopnStyle & PS_STYLE_MASK) != PS_USERSTYLE)
          for(i = 0; i < physDev->pen.dash_len; i++)
              physDev->pen.dashes[i] *= (physDev->pen.width ? 
physDev->pen.width : 1);

-- 
1.6.0.6