From 0e652cdcfd509fdde56afa2ad7b24dafd50af154 Mon Sep 17 00:00:00 2001
From: lemort
Date: Tue, 22 Jan 2008 08:33:42 +0000
Subject: Ajout de l'item viewport qui permet de deleguer le rendu dans une
 zone rectangulaire a une librairie externe. Pour l'instant, seule
 l'implementation Windows fonctionne: le rendu est deleguea une DLL qui doit
 contenir certaines fonctions

---
 generic/tkZinc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'generic/tkZinc.c')

diff --git a/generic/tkZinc.c b/generic/tkZinc.c
index d6e5215..5c577e7 100644
--- a/generic/tkZinc.c
+++ b/generic/tkZinc.c
@@ -1533,6 +1533,12 @@ ZincObjCmd(ClientData           client_data,    /* Main window associated with
   wi->damaged_area_w = wi->damaged_area_h = 0;
   
   /*
+   * Viewport item management init
+   */
+  wi->nb_of_viewport_items = 0;
+  
+  
+  /*
    * Text management init.
    */
   wi->text_info.sel_color = NULL;
@@ -8805,6 +8811,13 @@ Repair(ZnWInfo  *wi)
 
     //printf("Repair, scissors: %d\n", ISCLEAR(wi->flags, ZN_CONFIGURE_EVENT));
     ce = ZnGLMakeCurrent(wi->dpy, wi);
+    
+    // PRE-RENDERING Method. Called for non directAccess viewports and other special effects
+    // ONLY IF WE HAVE AT LEAST ONE VIEWPORT
+    if (wi->nb_of_viewport_items > 0) {
+      wi->top_group->class->PreRender(wi->top_group);    
+    }
+    
     glDrawBuffer(GL_BACK);
 
 #if defined(GL) && defined(ROTATION)
-- 
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