SF.net SVN: matplotlib:[8027] trunk/matplotlib/lib/matplotlib/tests/ test_image.py

[<jo...@us...>]

Revision: 8027
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8027&view=rev
Author:   jouni
Date:     2009-12-13 19:19:28 +0000 (Sun, 13 Dec 2009)

Log Message:
-----------
Add test for figimage bug

Modified Paths:
--------------
    trunk/matplotlib/lib/matplotlib/tests/test_image.py

Modified: trunk/matplotlib/lib/matplotlib/tests/test_image.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/tests/test_image.py	2009-12-13 12:06:07 UTC (rev 8026)
+++ trunk/matplotlib/lib/matplotlib/tests/test_image.py	2009-12-13 19:19:28 UTC (rev 8027)
@@ -29,6 +29,25 @@
 
     fig.savefig('image_interps')
 
+@image_comparison(baseline_images=['figimage-0', 'figimage-1'], extensions=['png'])
+def test_figimage():
+    'test the figimage method'
+
+    for suppressComposite in False, True:
+        fig = plt.figure(figsize=(2,2), dpi=100)
+        fig.suppressComposite=suppressComposite
+        x,y = np.ix_(np.arange(100.0)/100.0, np.arange(100.0)/100.0)
+        z = np.sin(x**2 + y**2 - x*y)
+        c = np.sin(20*x**2 + 50*y**2)
+        img = z + c/5
+
+        fig.figimage(img, xo=0, yo=0, origin='lower')
+        fig.figimage(img, xo=0, yo=100, origin='upper')
+        fig.figimage(img[:,::-1], xo=100, yo=0, origin='lower')
+        fig.figimage(img[:,::-1], xo=100, yo=100, origin='upper')
+
+        fig.savefig('figimage-%d' % int(suppressComposite), dpi=100)
+
 def test_image_python_io():
     fig = plt.figure()
     ax = fig.add_subplot(111)


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