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Closes #1010: Make pngmath images transparent by default; IE7+ should handle it.

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Georg Brandl 2012-10-28 19:06:48 +01:00
parent 20e5574c54
commit 0c02841412
3 changed files with 9 additions and 13 deletions
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2
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@ -34,6 +34,8 @@ Release 1.2 (in development)
* #1012: Update Estonian translation. * #1012: Update Estonian translation.
* #1010: Make pngmath images transparent by default; IE7+ should handle it.
Release 1.1.3 (Mar 10, 2012) Release 1.1.3 (Mar 10, 2012)
============================ ============================

17
doc/ext/math.rst
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@ -148,19 +148,12 @@ built:
.. confval:: pngmath_dvipng_args .. confval:: pngmath_dvipng_args
Additional arguments to give to dvipng, as a list. The default value is Additional arguments to give to dvipng, as a list. The default value is
``['-gamma 1.5', '-D 110']`` which makes the image a bit darker and larger ``['-gamma', '1.5', '-D', '110', '-bg', 'Transparent']`` which makes the
then it is by default. image a bit darker and larger then it is by default, and produces PNGs with a
transparent background.
An arguments you might want to add here is e.g. ``'-bg Transparent'``, .. versionchanged:: 1.2
which produces PNGs with a transparent background. This is not enabled by Now includes ``-bg Transparent`` by default.
default because some Internet Explorer versions don't like transparent PNGs.
.. note::
When you "add" an argument, you need to reproduce the default arguments if
you want to keep them; that is, like this::
pngmath_dvipng_args = ['-gamma 1.5', '-D 110', '-bg Transparent']
.. confval:: pngmath_use_preview .. confval:: pngmath_use_preview

3
sphinx/ext/pngmath.py
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@ -237,7 +237,8 @@ def setup(app):
app.add_config_value('pngmath_latex', 'latex', 'html') app.add_config_value('pngmath_latex', 'latex', 'html')
app.add_config_value('pngmath_use_preview', False, 'html') app.add_config_value('pngmath_use_preview', False, 'html')
app.add_config_value('pngmath_dvipng_args', app.add_config_value('pngmath_dvipng_args',
['-gamma 1.5', '-D 110'], 'html') ['-gamma', '1.5', '-D', '110', '-bg', 'Transparent'],
'html')
app.add_config_value('pngmath_latex_args', [], 'html') app.add_config_value('pngmath_latex_args', [], 'html')
app.add_config_value('pngmath_latex_preamble', '', 'html') app.add_config_value('pngmath_latex_preamble', '', 'html')
app.add_config_value('pngmath_add_tooltips', True, 'html') app.add_config_value('pngmath_add_tooltips', True, 'html')