R�alisation du clipping non rectangulaire

1 files changed, 45 insertions, 2 deletions

diff --git a/Bezier.c b/Bezier.c
index 4e5ccef..aa2719a 100644
--- a/Bezier.c
+++ b/Bezier.c
@@ -938,12 +938,54 @@ PostScript(Item			item,
  *
  * GetClipVertices --
  *	Get the clipping shape.
+ *	Never ever call TRI_FREE on the tristrip returned by GetClipVertices.
  *
  **********************************************************************************
  */
 static ZnBool
-GetClipVertices(Item	item,
-		ZnPoly	*poly)
+GetClipVertices(Item		item,
+		ZnTriStrip	*tristrip)
+{
+  BezierItem	bz = (BezierItem) item;
+  WidgetInfo	*wi = item->wi;
+#ifndef GPC_TODO
+  ZnPoint	*points;
+#endif
+
+#ifdef GPC_TODO
+  if (bz->dev_points) {
+    GetBezierPath(bz->dev_points, wi->work_pts);
+    
+    POLY_CONTOUR1(poly, (ZnPoint *) ZnListArray(wi->work_pts),
+		  ZnListSize(wi->work_pts));
+  }
+  
+  return False;
+#else
+  ZnListAssertSize(item->wi->work_pts, 2);
+  points = (ZnPoint *) ZnListArray(item->wi->work_pts);
+  TRI_STRIP1(tristrip, points, 2);
+  points[0] = item->item_bounding_box.orig;
+  points[1] = item->item_bounding_box.corner;
+
+  return True;
+
+#endif
+}
+
+
+/*
+ **********************************************************************************
+ *
+ * GetContours --
+ *	Get the external contour(s).
+ *	Never ever call POLY_FREE on the poly returned by GetContours.
+ *
+ **********************************************************************************
+ */
+static ZnBool
+GetContours(Item	item,
+	   ZnPoly	*poly)
 {
   BezierItem	bz = (BezierItem) item;
   WidgetInfo	*wi = item->wi;
@@ -1160,6 +1202,7 @@ static ItemClassStruct BEZIER_ITEM_CLASS = {
   NULL,
   NULL,
   GetClipVertices,
+  GetContours,
   Coords,
   NULL,			/* InsertChars */
   NULL,			/* DeleteChars */