From 1e335fc694e93bdc6e6560b20ccd35d712f51b74 Mon Sep 17 00:00:00 2001
From: lemort
Date: Mon, 19 Nov 2007 16:19:01 +0000
Subject: Replace #ifdef GL_DAMAGE statement with a new option (-usedamage) of
 the TkZinc widget

---
 generic/Group.c | 62 ++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 41 insertions(+), 21 deletions(-)

(limited to 'generic/Group.c')

diff --git a/generic/Group.c b/generic/Group.c
index 6031811..8a1f668 100644
--- a/generic/Group.c
+++ b/generic/Group.c
@@ -1057,10 +1057,10 @@ Render(ZnItem   item)
   GroupItem     group = (GroupItem) item;
   ZnItem        current_item;
   ZnWInfo       *wi = item->wi;
-#ifdef GL_DAMAGE
+//#ifdef GL_DAMAGE
   ZnBBox        *clip_box;
   ZnBBox        bbox, old_damaged_area;
-#endif
+//#endif
   unsigned char save_alpha = wi->alpha;
   unsigned char save_alpha2;
 
@@ -1074,23 +1074,43 @@ Render(ZnItem   item)
 
   PushTransform(item);
   PushClip(group, True);
-#ifdef GL_DAMAGE
-  if (ISCLEAR(wi->flags, ZN_CONFIGURE_EVENT) && (group->clip != ZN_NO_ITEM)) {
-    old_damaged_area = wi->damaged_area;
-    if (ZnCurrentClip(wi, NULL, &clip_box, NULL)) {
-      ZnIntersectBBox(&wi->damaged_area, clip_box, &bbox);
-      wi->damaged_area = bbox;
+
+  /* Test if we are using damage or not */
+  if (wi->usedamage) {
+    /* Damage is on */
+    if (ISCLEAR(wi->flags, ZN_CONFIGURE_EVENT) && (group->clip != ZN_NO_ITEM)) {
+      old_damaged_area = wi->damaged_area;
+      if (ZnCurrentClip(wi, NULL, &clip_box, NULL)) {
+         ZnIntersectBBox(&wi->damaged_area, clip_box, &bbox);
+         wi->damaged_area = bbox;
+      }
     }
-  }
-#endif
+   }
   
   current_item = group->tail;
   while (current_item != ZN_NO_ITEM) {
     if (ISSET(current_item->flags, ZN_VISIBLE_BIT)) {
-#ifdef GL_DAMAGE
-      ZnIntersectBBox(&wi->damaged_area, &current_item->item_bounding_box, &bbox);
-      if (!ZnIsEmptyBBox(&bbox) || ISSET(wi->flags, ZN_CONFIGURE_EVENT)) {
-#endif
+      /* test if we are using dmaage or not */
+      if (wi->usedamage) {
+         /* Damage is on */
+         ZnIntersectBBox(&wi->damaged_area, &current_item->item_bounding_box, &bbox);
+         if (!ZnIsEmptyBBox(&bbox) || ISSET(wi->flags, ZN_CONFIGURE_EVENT)) {
+         
+            if (current_item->class != ZnGroup) {
+               PushTransform(current_item);
+               if (ISCLEAR(current_item->flags, ZN_COMPOSE_ALPHA_BIT)) {
+                  wi->alpha = 100;
+               }
+            }
+            current_item->class->Render(current_item);
+            if (current_item->class != ZnGroup) {
+               PopTransform(current_item);
+               wi->alpha = save_alpha2;
+            }
+         }
+         
+      } else {
+        /* Damage is off */
         if (current_item->class != ZnGroup) {
           PushTransform(current_item);
           if (ISCLEAR(current_item->flags, ZN_COMPOSE_ALPHA_BIT)) {
@@ -1102,18 +1122,18 @@ Render(ZnItem   item)
           PopTransform(current_item);
           wi->alpha = save_alpha2;
         }
-#ifdef GL_DAMAGE
       }
-#endif
+      
     }
     current_item = current_item->previous;
   }
 
-#ifdef GL_DAMAGE
-  if (ISCLEAR(wi->flags, ZN_CONFIGURE_EVENT) && (group->clip != ZN_NO_ITEM)) {
-    wi->damaged_area = old_damaged_area;
-  }
-#endif
+   /* Test if we are using damage or not */
+   if (wi->usedamage) {
+      if (ISCLEAR(wi->flags, ZN_CONFIGURE_EVENT) && (group->clip != ZN_NO_ITEM)) {
+         wi->damaged_area = old_damaged_area;
+      }
+   }
   
   PopClip(group, True);
   PopTransform(item);
-- 
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