added copy bbox transform

jdh2358 · jdh2358 · commit c1ed82d06971 · 2004-07-28T14:03:43.000Z
svn path=/trunk/matplotlib/; revision=455
diff --git a/TODO b/TODO
@@ -512,4 +512,6 @@ ZeroDivisionError: SeparableTransformation::eval_scalars yin interval is zero; c
 
 -- update installing.html from INSTALL
 
--- rubberbanding broken on subplot_demo/gtk
+-- rubberbanding broken on subplot_demo/gtk
+
+-- add copy/deepcopy support for transforms
diff --git a/unit/transforms_unit.py b/unit/transforms_unit.py
@@ -9,6 +9,8 @@
 from matplotlib.transforms import get_bbox_transform
 from matplotlib.transforms import transform_bbox, inverse_transform_bbox
 from matplotlib.transforms import bbox_all
+from matplotlib.transforms import copy_bbox_transform
+
 
 def closeto(x,y):
     return abs(asarray(x)-asarray(y))<1e-10
@@ -250,3 +252,16 @@ def rand_transform():
 assert( closeto_seq( box.get_bounds(), (xmin, ymin, xmax-xmin, ymax-ymin)))
 print 'all tests passed'
 
+
+
+t1 = rand_transform()
+oboundsx = t1.get_bbox1().intervalx().get_bounds()
+oboundsy = t1.get_bbox1().intervaly().get_bounds()
+t2 = copy_bbox_transform(t1)
+t1.get_bbox1().intervalx().set_bounds(1,2)
+t2.get_bbox2().intervaly().set_bounds(-1,12)
+newboundsx = t2.get_bbox1().intervalx().get_bounds()
+newboundsy = t2.get_bbox1().intervaly().get_bounds()
+assert(oboundsx==newboundsx)
+assert(oboundsy==newboundsy)
+
