fixed pixel border bug for composite images (eg layer_image.py)

svn path=/trunk/matplotlib/; revision=5611

Author: jdh2358

MANIFEST.in

@@ -14,8 +14,8 @@ include lib/matplotlib/mpl-data/fonts/ttf/*
 include lib/matplotlib/mpl-data/fonts/pdfcorefonts/*
 include lib/matplotlib/mpl-data/fonts/afm/*
 recursive-include license LICENSE*
-recursive-include examples README *.py
-prune examples/_tmp_*
+recursive-include examples *
+recursive-include doc *
 recursive-include src  *.cpp *.c *.h
 recursive-include CXX  *.cxx *.hxx *.c *.h
 recursive-include agg24 *

examples/api/mathtext_asarray.py

@@ -5,15 +5,20 @@
 import numpy as np
 import matplotlib.mathtext as mathtext
 import matplotlib.pyplot as plt
+import matplotlib
+matplotlib.rc('image', origin='upper')
 
 parser = mathtext.MathTextParser("Bitmap")
 
 parser.to_png('test2.png', r'$\left[\left\lfloor\frac{5}{\frac{\left(3\right)}{4}} y\right)\right]$', color='green', fontsize=14, dpi=100)
 
 
-rgba = parser.to_rgba(r'IQ: $\sigma_i=15$', color='blue', fontsize=20, dpi=200)
+rgba1, depth1 = parser.to_rgba(r'IQ: $\sigma_i=15$', color='blue', fontsize=20, dpi=200)
+rgba2, depth2 = parser.to_rgba(r'some other string', color='red', fontsize=20, dpi=200)
 
 fig = plt.figure()
-fig.figimage(rgba.astype(float)/255., 100, 100)
+fig.figimage(rgba1.astype(float)/255., 100, 100)
+fig.figimage(rgba2.astype(float)/255., 100, 300)
+
 
 plt.show()

examples/widgets/README renamed to examples/widgets/README.txt

@@ -1436,15 +1436,18 @@ def draw(self, renderer=None, inframe=False):
                    for im in self.images if im.get_visible()]
 
 
-            im = mimage.from_images(self.bbox.height*mag,
-                                    self.bbox.width*mag,
+            l, b, r, t = self.bbox.extents
+            width = mag*((round(r) + 0.5) - (round(l) - 0.5))
+            height = mag*((round(t) + 0.5) - (round(b) - 0.5))
+            im = mimage.from_images(height,
+                                    width,
                                     ims)
             im.is_grayscale = False
             l, b, w, h = self.bbox.bounds
             # composite images need special args so they will not
             # respect z-order for now
             renderer.draw_image(
-                l, b, im, self.bbox,
+                round(l), round(b), im, self.bbox,
                 self.axesPatch.get_path(),
                 self.axesPatch.get_transform())
 

lib/matplotlib/axes.py

@@ -796,6 +796,7 @@ def draw(self, renderer):
 
         if len(self.images)<=1 or renderer.option_image_nocomposite() or not allequal([im.origin for im in self.images]):
             for im in self.images:
+                print 'drawing', im
                 im.draw(renderer)
         else:
             # make a composite image blending alpha
@@ -809,8 +810,12 @@ def draw(self, renderer):
                                     ims)
             im.is_grayscale = False
             l, b, w, h = self.bbox.bounds
+            clippath, affine = self.get_transformed_clip_path_and_affine()
+            print 'compodite'
+            print 'clippath', affine
+            print 'affine', affine
             renderer.draw_image(l, b, im, self.bbox,
-                                *self.get_transformed_clip_path_and_affine())
+                                clippath, affine)
 
         # render the axes
         for a in self.axes: a.draw(renderer)