From 5f7fd52b5abcdf55fad660ba4ae945c8724f318d Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Mon, 17 Mar 2003 16:25:25 +0000
Subject: 	* (ToArea): Corrige un probleme de d�tection sur des 	 
 triangles dispos�s en fans.         * (CurveTessError): Suppression de la
 dependance � GLU.

---
 generic/Curve.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'generic')

diff --git a/generic/Curve.c b/generic/Curve.c
index 37567ac..6c9b5ad 100644
--- a/generic/Curve.c
+++ b/generic/Curve.c
@@ -618,12 +618,13 @@ static void
 CurveTessError(GLenum	errno,
 	       void	*data)
 {
-  const GLubyte	*msg;
-
-  msg = gluErrorString(errno);
-  fprintf(stderr, "Tesselation error in curve item: %s\n", msg);
+  fprintf(stderr, "Tesselation error in curve item: %d\n", errno);
 }
 
+#ifndef WIN
+#define CALLBACK
+#endif
+
 static void
 UpdateTristrip(CurveItem	cv,
 	       ZnPoly		*poly,
@@ -635,7 +636,7 @@ UpdateTristrip(CurveItem	cv,
   int		i, j;
 
   /*printf("UpdateTristrips sur %d\n", ((Item) cv)->id);*/
-  gluTessCallback(wi->tess, GLU_TESS_BEGIN_DATA, (void (*)()) CurveTessBegin);
+  gluTessCallback(wi->tess, GLU_TESS_BEGIN_DATA, (void (CALLBACK *)()) CurveTessBegin);
   gluTessCallback(wi->tess, GLU_TESS_VERTEX_DATA, (void (*)()) CurveTessVertex);
   gluTessCallback(wi->tess, GLU_TESS_END_DATA, (void (*)()) CurveTessEnd);
   gluTessCallback(wi->tess, GLU_TESS_COMBINE_DATA, (void (*)()) CurveTessCombine);
@@ -1059,7 +1060,7 @@ ToArea(Item	item,
   ZnPoint	*points;
   ZnPoint	triangle[3];
   ZnPoint	end_points[LINE_END_POINTS];
-  int		i, j, num_points, result=-1, result2;
+  int		i, j, num_points, stop, result=-1, result2;
   int		width, height;
   ZnBool	first_done = False;
 
@@ -1074,11 +1075,14 @@ ToArea(Item	item,
       num_points = cv->tristrip.strips[i].num_points;
       points = cv->tristrip.strips[i].points;
       j = 0;
+      stop = num_points-2;
       if (cv->tristrip.strips[i].fan) {
 	triangle[0] = points[0];
 	j++;
+	points++;
+	stop++;
       }
-      for (; j < num_points-2; j++, points++) {
+      for (; j < stop; j++, points++) {
 	if (cv->tristrip.strips[i].fan) {
 	  triangle[1] = points[0];
 	  triangle[2] = points[1];
-- 
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