* Utilisation de la routine ZnParseCoordList pour initialiser

	  Les coordonn�es (incompatibilit�s).
	* Remaniement du code des gradients (incompatibilit�s).
	* Utilisation des display lists pour am�liorer les perfs en GL.
	* Adaptation pour g�rer la nouvelle fa�on de traiter les contours.

1 files changed, 74 insertions, 68 deletions

diff --git a/generic/Arc.c b/generic/Arc.c
index 155bc06..080d57f 100644
--- a/generic/Arc.c
+++ b/generic/Arc.c
@@ -33,8 +33,9 @@
 #include "Geo.h"
 #include "Draw.h"
 #include "Types.h"
-#include "WidgetInfo.h"
 #include "Image.h"
+#include "WidgetInfo.h"
+#include "tkZinc.h"
 
 
 static const char rcsid[] = "$Id$";
@@ -160,8 +161,8 @@ Init(Item		item,
 {
   WidgetInfo	*wi = item->wi;
   ArcItem	arc = (ArcItem) item;
-  Tcl_Obj	**elems;
-  int		num_elems;
+  int		num_points;
+  ZnPoint	*points;
 
   /* Init attributes */
   SET(item->flags, VISIBLE_BIT);
@@ -190,15 +191,15 @@ Init(Item		item,
     Tcl_AppendResult(wi->interp, " arc coords expected", NULL);
     return ZN_ERROR;
   }
-  if ((Tcl_ListObjGetElements(wi->interp, (*args)[0], &num_elems, &elems) == ZN_ERROR) ||
-      (num_elems != 4) ||
-      (Tcl_GetDoubleFromObj(wi->interp, elems[0], &arc->coords[0].x) == ZN_ERROR) ||
-      (Tcl_GetDoubleFromObj(wi->interp, elems[1], &arc->coords[0].y) == ZN_ERROR) ||
-      (Tcl_GetDoubleFromObj(wi->interp, elems[2], &arc->coords[1].x) == ZN_ERROR) ||
-      (Tcl_GetDoubleFromObj(wi->interp, elems[3], &arc->coords[1].y) == ZN_ERROR)) {
+  if (ZnParseCoordList(wi, (*args)[0], &points, NULL, &num_points) == ZN_ERROR) {
+    return ZN_ERROR;
+  }
+  if (num_points != 2) {
     Tcl_AppendResult(wi->interp, " malformed arc coords", NULL);
     return ZN_ERROR;
   };
+  arc->coords[0] = points[0];
+  arc->coords[1] = points[1];
   (*args)++;
   (*argc)--;
 
@@ -538,11 +539,12 @@ ComputeCoordinates(Item		item,
       AddPointsToBBox(&item->item_bounding_box, end_points, LINE_END_POINTS);
     }
 
+#ifdef GLX
     if (!ZnGradientFlat(arc->fill_color)) {
       ZnPoly	shape;
       
       if (!arc->grad_geo) {
-	arc->grad_geo = ZnMalloc(4*sizeof(ZnPoint));
+	arc->grad_geo = ZnMalloc(6*sizeof(ZnPoint));
       }
       if (arc->fill_color->type == ZN_AXIAL_GRADIENT) {
 	ZnPoint	p[4];
@@ -553,19 +555,16 @@ ComputeCoordinates(Item		item,
 	p[1].y = p[0].y;
 	p[3].x = p[0].x;
 	p[3].y = p[2].y;
-	POLY_CONTOUR1(&shape, p, 4);
-	ZnComputeAxialGradient(wi, &shape, arc->fill_color->g.angle,
-			       arc->grad_geo);
+	POLY_CONTOUR1(&shape, p, 4, False);
+	ZnComputeAxialGradient(wi, &shape, arc->fill_color->g.angle, arc->grad_geo);
       }
       else if (arc->fill_color->type == ZN_RADIAL_GRADIENT) {
-	POLY_CONTOUR1(&shape, ZnListArray(arc->render_shape),
-		      ZnListSize(arc->render_shape));
-	ZnComputeRadialGradient(wi, &shape, &item->item_bounding_box,
-				&arc->fill_color->g.p, arc->grad_geo);
+	POLY_CONTOUR1(&shape, arc->coords, 2, False);
+	ZnComputeRadialGradient(wi, &shape, True, &arc->fill_color->g.p, arc->grad_geo);
       }
       else if (arc->fill_color->type == ZN_PATH_GRADIENT) {
-	ZnTransformPoint(wi->current_transfo, &arc->fill_color->g.p,
-			 &arc->grad_geo[0]);      
+	POLY_CONTOUR1(&shape, arc->coords, 2, False);
+	ZnComputePathGradient(wi, &shape, &arc->fill_color->g.p, arc->grad_geo);
       }
     }
     else {
@@ -574,7 +573,7 @@ ComputeCoordinates(Item		item,
 	arc->grad_geo = NULL;
       }
     }
- 
+#endif 
     return;
   }
 
@@ -1208,60 +1207,68 @@ Render(Item	item)
     return;
   }
   
-  /* Fill if requested */
-  if (ISSET(arc->flags, FILLED_BIT)) {
-    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-
-    if (!ZnGradientFlat(arc->fill_color)) {
-      ZnPoly poly;
-
-      POLY_CONTOUR1(&poly, ZnListArray(arc->render_shape),
-		    ZnListSize(arc->render_shape));
-      ZnRenderGradient(wi, arc->fill_color,ArcRenderCB, arc,
-		       arc->grad_geo, &poly);
-    }
-    else if (arc->tile != ZnUnspecifiedImage) { /* Fill tiled */
-      ZnRenderTile(wi, arc->tile, arc->fill_color, ArcRenderCB, arc,
-		   (ZnPoint *) &item->item_bounding_box);
-    }
-    else {
-      if (arc->fill_pattern != ZnUnspecifiedImage) { /* Fill stippled */
-	/*
-	 * Setup polygon stippling.
-	 */
-	glEnable(GL_POLYGON_STIPPLE);
-	glPolygonStipple(ZnImagePattern(arc->fill_pattern, NULL));
+  if (!item->gl_list) {
+    item->gl_list = glGenLists(1);
+    glNewList(item->gl_list, GL_COMPILE);
+  
+    /* Fill if requested */
+    if (ISSET(arc->flags, FILLED_BIT)) {
+      glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+      
+      if (!ZnGradientFlat(arc->fill_color)) {
+	ZnPoly poly;
+	
+	POLY_CONTOUR1(&poly, ZnListArray(arc->render_shape),
+		      ZnListSize(arc->render_shape), False);
+	ZnRenderGradient(wi, arc->fill_color, ArcRenderCB, arc,
+			 arc->grad_geo, &poly);
+      }
+      else if (arc->tile != ZnUnspecifiedImage) { /* Fill tiled */
+	ZnRenderTile(wi, arc->tile, arc->fill_color, ArcRenderCB, arc,
+		     (ZnPoint *) &item->item_bounding_box);
+      }
+      else {
+	if (arc->fill_pattern != ZnUnspecifiedImage) { /* Fill stippled */
+	  /*
+	   * Setup polygon stippling.
+	   */
+	  glEnable(GL_POLYGON_STIPPLE);
+	  glPolygonStipple(ZnImagePattern(arc->fill_pattern, NULL));
+	}
+	color = ZnGetGradientColor(arc->fill_color, 0.0, &alpha);
+	alpha = ZnComposeAlpha(alpha, wi->alpha);
+	glColor4us(color->red, color->green, color->blue, alpha);
+	ArcRenderCB(arc);
+	glDisable(GL_POLYGON_STIPPLE);
       }
-      color = ZnGetGradientColor(arc->fill_color, 0.0, &alpha);
-      alpha = ZnComposeAlpha(alpha, wi->alpha);
-      glColor4us(color->red, color->green, color->blue, alpha);
-      ArcRenderCB(arc);
-      glDisable(GL_POLYGON_STIPPLE);
     }
-  }
-  
-  /*
-   * Draw the arc.
-   */
-  if (arc->line_width) {
-    ZnLineEnd	first = ISSET(arc->flags, FIRST_END_OK) ? arc->first_end : NULL;
-    ZnLineEnd	last = ISSET(arc->flags, LAST_END_OK) ? arc->last_end : NULL;
-    ZnBool	closed = ISSET(arc->flags, CLOSED_BIT);
     
-    p = ZnListArray(arc->render_shape);
-    num_points = ZnListSize(arc->render_shape);
-    if (!closed) {
-      if (arc->angle_extent != 360) {
-	num_points--;
-	if (ISSET(arc->flags, PIE_SLICE_BIT)) {
+    /*
+     * Draw the arc.
+     */
+    if (arc->line_width) {
+      ZnLineEnd	first = ISSET(arc->flags, FIRST_END_OK) ? arc->first_end : NULL;
+      ZnLineEnd	last = ISSET(arc->flags, LAST_END_OK) ? arc->last_end : NULL;
+      ZnBool	closed = ISSET(arc->flags, CLOSED_BIT);
+      
+      p = ZnListArray(arc->render_shape);
+      num_points = ZnListSize(arc->render_shape);
+      if (!closed) {
+	if (arc->angle_extent != 360) {
 	  num_points--;
+	  if (ISSET(arc->flags, PIE_SLICE_BIT)) {
+	    num_points--;
+	  }
 	}
       }
+      ZnRenderPolyline(wi, p, num_points, arc->line_width,
+		       arc->line_style, CapRound, JoinRound, first, last,
+		       arc->line_color);
     }
-    ZnRenderPolyline(wi, p, num_points, arc->line_width,
-		     arc->line_style, CapRound, JoinRound, first, last,
-		     arc->line_color);
+    glEndList();
   }
+  
+  glCallList(item->gl_list);
 #endif
 }
 
@@ -1639,8 +1646,7 @@ GetContours(Item	item,
   }
 
   POLY_CONTOUR1(poly, ZnListArray(arc->render_shape),
-		ZnListSize(arc->render_shape));
-  poly->contour1.cw = 1;
+		ZnListSize(arc->render_shape), True);
   poly->contour1.controls = NULL;
 
   return False;