Revision: 5329
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5329&view=rev
Author: jdh2358
Date: 2008-05-30 12:21:56 -0700 (Fri, 30 May 2008)
Log Message:
-----------
added support for None for dvipng and removed the sqrt in the hack which I
think is wrong
Modified Paths:
--------------
branches/v0_91_maint/lib/matplotlib/rcsetup.py
branches/v0_91_maint/lib/matplotlib/texmanager.py
branches/v0_91_maint/matplotlibrc.template
Modified: branches/v0_91_maint/lib/matplotlib/rcsetup.py
===================================================================
--- branches/v0_91_maint/lib/matplotlib/rcsetup.py 2008-05-30 18:59:44 UTC
(rev 5328)
+++ branches/v0_91_maint/lib/matplotlib/rcsetup.py 2008-05-30 19:21:56 UTC
(rev 5329)
@@ -42,6 +42,16 @@
else:
raise ValueError('Could not convert "%s" to boolean' % b)
+def validate_bool_maybe_none(b):
+ 'Convert b to a boolean or raise'
+ if type(b) is str:
+ b = b.lower()
+ if b=='none': return None
+ if b in ('t', 'y', 'yes', 'on', 'true', '1', 1, True): return True
+ elif b in ('f', 'n', 'no', 'off', 'false', '0', 0, False): return False
+ else:
+ raise ValueError('Could not convert "%s" to boolean' % b)
+
def validate_float(s):
'convert s to float or raise'
try: return float(s)
@@ -339,7 +349,7 @@
'text.usetex' : [False, validate_bool],
'text.latex.unicode' : [False, validate_bool],
'text.latex.preamble' : [[''], validate_stringlist],
- 'text.dvipnghack' : [False, validate_bool],
+ 'text.dvipnghack' : [None, validate_bool_maybe_none],
'text.fontstyle' : ['normal', str],
'text.fontangle' : ['normal', str],
'text.fontvariant' : ['normal', str],
Modified: branches/v0_91_maint/lib/matplotlib/texmanager.py
===================================================================
--- branches/v0_91_maint/lib/matplotlib/texmanager.py 2008-05-30 18:59:44 UTC
(rev 5328)
+++ branches/v0_91_maint/lib/matplotlib/texmanager.py 2008-05-30 19:21:56 UTC
(rev 5329)
@@ -334,7 +334,12 @@
pngfile = self.make_png(tex, fontsize, dpi)
X = readpng(os.path.join(self.texcache, pngfile))
- if self._dvipng_hack_alpha or rcParams['text.dvipnghack']:
+ if rcParams['text.dvipnghack'] is not None:
+ hack = rcParams['text.dvipnghack']
+ else:
+ hack = self._dvipng_hack_alpha
+ print 'using hack', hack
+ if hack:
# hack the alpha channel
# dvipng assumed a constant background, whereas we want to
# overlay these rasters with antialiasing over arbitrary
@@ -356,7 +361,9 @@
#
# Since the foreground is black (0) and the background is
# white (1) this reduces to red = 1-alpha or alpha = 1-red
- alpha = npy.sqrt(1-X[:,:,0])
+ #alpha = npy.sqrt(1-X[:,:,0]) # should this be sqrt here?
+ alpha = 1-X[:,:,0]
+
else:
alpha = X[:,:,-1]
Modified: branches/v0_91_maint/matplotlibrc.template
===================================================================
--- branches/v0_91_maint/matplotlibrc.template 2008-05-30 18:59:44 UTC (rev
5328)
+++ branches/v0_91_maint/matplotlibrc.template 2008-05-30 19:21:56 UTC (rev
5329)
@@ -147,9 +147,14 @@
# beware of package collisions: color, geometry,
graphicx,
# type1cm, textcomp. Adobe Postscript (PSSNFS)
font packages
# may also be loaded, depending on your font
settings
-#text.dvipnghack : False # some versions of dvipng don't handle
- # alpha channel properly. Use True to correct
and flush
- # ~/.matplotlib/tex.cache before testing
+
+#text.dvipnghack : None # some versions of dvipng don't handle alpha
+ # channel properly. Use True to correct
+ # and flush ~/.matplotlib/tex.cache
+ # before testing and False to force
+ # correction off. None will try and
+ # guess based on your dvipng version
+
#text.markup : 'plain' # Affects how text, such as titles and labels,
are
# interpreted by default.
# 'plain': As plain, unformatted text
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