From 70d57d0d566cfae4e62e94a156e9503418570116 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Wed, 24 Mar 2004 15:06:44 +0000
Subject: Added a boolean abs to the translate method. Added the tget method.

---
 generic/Transfo.c | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

(limited to 'generic/Transfo.c')

diff --git a/generic/Transfo.c b/generic/Transfo.c
index 2d9b59f..b8f4fb5 100644
--- a/generic/Transfo.c
+++ b/generic/Transfo.c
@@ -610,37 +610,29 @@ ZnTransformPoints(ZnTransfo	*t,
  *
  * ZnTranslate --
  *	Translate the given transformation by delta_x, delta_y. Returns
- *	the resulting transformation.
- *
- * ZnSetTranslation --
- *	Set the translation instead of combining it into the
- *	transformation.
+ *	the resulting transformation. If abs is true, delta_x and
+ *	delta_y are used to set the translation instead of adding deltas.
  *
  *************************************************************************
  */
 ZnTransfo *
 ZnTranslate(ZnTransfo	*t,
 	    ZnReal	delta_x,
-	    ZnReal	delta_y)
-{
-  t->_[2][0] = t->_[2][0] + delta_x;
-  t->_[2][1] = t->_[2][1] + delta_y;
-
-  return t;
-}
-
-ZnTransfo *
-ZnSetTranslation(ZnTransfo	*t,
-		 ZnReal		delta_x,
-		 ZnReal		delta_y)
+	    ZnReal	delta_y,
+	    ZnBool	abs)
 {
-  t->_[2][0] = delta_x;
-  t->_[2][1] = delta_y;
+  if (abs) {
+    t->_[2][0] = delta_x;
+    t->_[2][1] = delta_y;
+  }
+  else {
+    t->_[2][0] = t->_[2][0] + delta_x;
+    t->_[2][1] = t->_[2][1] + delta_y;
+  }
 
   return t;
 }
 
-
 /*
  *************************************************************************
  *
-- 
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