SF.net SVN: matplotlib:[6688] branches/v0_98_5_maint

[<lee...@us...>]

Revision: 6688
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6688&view=rev
Author:   leejjoon
Date:     2008-12-21 03:46:05 +0000 (Sun, 21 Dec 2008)

Log Message:
-----------
fix hatch bug in pdf backend

Modified Paths:
--------------
    branches/v0_98_5_maint/CHANGELOG
    branches/v0_98_5_maint/examples/pylab_examples/hatch_demo.py
    branches/v0_98_5_maint/lib/matplotlib/backends/backend_pdf.py
    branches/v0_98_5_maint/lib/matplotlib/patches.py

Modified: branches/v0_98_5_maint/CHANGELOG
===================================================================
--- branches/v0_98_5_maint/CHANGELOG	2008-12-19 22:48:11 UTC (rev 6687)
+++ branches/v0_98_5_maint/CHANGELOG	2008-12-21 03:46:05 UTC (rev 6688)
@@ -1,5 +1,8 @@
-2008-12-19 Update Axes.legend documnetation. /api/api_changes.rst is also 
-           updated to describe chages in keyword parameters. 
+2008-12-20 fix the hatch bug in the pdf backend. minor update
+           in docs and  example - JJL
+
+2008-12-19 Update Axes.legend documnetation. /api/api_changes.rst is also
+           updated to describe chages in keyword parameters.
            Issue a warning if old keyword parameters are used. - JJL
 
 =======================================================================

Modified: branches/v0_98_5_maint/examples/pylab_examples/hatch_demo.py
===================================================================
--- branches/v0_98_5_maint/examples/pylab_examples/hatch_demo.py	2008-12-19 22:48:11 UTC (rev 6687)
+++ branches/v0_98_5_maint/examples/pylab_examples/hatch_demo.py	2008-12-21 03:46:05 UTC (rev 6688)
@@ -1,18 +1,25 @@
 """
-Hatching (pattern filled polygons) is supported currently on PS
+Hatching (pattern filled polygons) is supported currently on PS and PDF
 backend only.  See the set_patch method in
 http://matplotlib.sf.net/matplotlib.patches.html#Patch
 for details
 """
-import matplotlib
-matplotlib.use('PS')
-from pylab import figure
+import matplotlib.pyplot as plt
 
-fig = figure()
-ax = fig.add_subplot(111)
-bars = ax.bar(range(1,5), range(1,5), color='gray', ecolor='black')
+fig = plt.figure()
+ax1 = fig.add_subplot(121)
+ax1.annotate("Hatch is only supported in the PS and PDF backend", (1, 1),
+             xytext=(0, 5),
+             xycoords="axes fraction", textcoords="offset points", ha="center"
+             )
+ax1.bar(range(1,5), range(1,5), color='gray', ecolor='black', hatch="/")
 
+
+ax2 = fig.add_subplot(122)
+bars = ax2.bar(range(1,5), range(1,5), color='gray', ecolor='black')
+
 patterns = ('/', '+', 'x', '\\')
 for bar, pattern in zip(bars, patterns):
      bar.set_hatch(pattern)
-fig.savefig('hatch4.ps')
+
+plt.show()

Modified: branches/v0_98_5_maint/lib/matplotlib/backends/backend_pdf.py
===================================================================
--- branches/v0_98_5_maint/lib/matplotlib/backends/backend_pdf.py	2008-12-19 22:48:11 UTC (rev 6687)
+++ branches/v0_98_5_maint/lib/matplotlib/backends/backend_pdf.py	2008-12-21 03:46:05 UTC (rev 6688)
@@ -942,7 +942,7 @@
     def hatchPattern(self, lst):
         pattern = self.hatchPatterns.get(lst, None)
         if pattern is not None:
-            return pattern[0]
+            return pattern
 
         name = Name('H%d' % self.nextHatch)
         self.nextHatch += 1
@@ -1233,7 +1233,7 @@
 
     def get_image_magnification(self):
         return self.image_dpi/72.0
-            
+
     def draw_image(self, x, y, im, bbox, clippath=None, clippath_trans=None):
         # MGDTODO: Support clippath here
         gc = self.new_gc()

Modified: branches/v0_98_5_maint/lib/matplotlib/patches.py
===================================================================
--- branches/v0_98_5_maint/lib/matplotlib/patches.py	2008-12-19 22:48:11 UTC (rev 6687)
+++ branches/v0_98_5_maint/lib/matplotlib/patches.py	2008-12-21 03:46:05 UTC (rev 6688)
@@ -247,12 +247,12 @@
 
         CURRENT LIMITATIONS:
 
-        1. Hatching is supported in the PostScript backend only.
+        1. Hatching is supported in the PostScript and the PDF backend only.
 
         2. Hatching is done with solid black lines of width 0.
 
 
-        ACCEPTS: [ '/' | '\\' | '|' | '-' | '#' | 'x' ]
+        ACCEPTS: [ '/' | '\\' | '|' | '-' | '#' | 'x' ] (ps & pdf backend only)
         """
         self._hatch = h
 


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