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Merge pull request #408 from wiredfool/convert_doc

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Image.convert mode 1 documentation update.
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Alex Clark ☺ 2013-11-29 15:15:23 -08:00
commit eebb8c2a97
1 changed files with 7 additions and 4 deletions
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PIL/Image.py
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@ -675,15 +675,18 @@ class Image:
L = R * 299/1000 + G * 587/1000 + B * 114/1000 L = R * 299/1000 + G * 587/1000 + B * 114/1000
When translating a greyscale image into a bilevel image (mode The default method of converting a greyscale ("L") or "RGB"
"1"), all non-zero values are set to 255 (white). To use other image into a bilevel (mode "1") image uses Floyd-Steinberg
thresholds, use the :py:meth:`~PIL.Image.Image.point` method. dither to approximate the original image luminosity levels. If
dither is NONE, all non-zero values are set to 255 (white). To
use other thresholds, use the :py:meth:`~PIL.Image.Image.point`
method.
:param mode: The requested mode. :param mode: The requested mode.
:param matrix: An optional conversion matrix. If given, this :param matrix: An optional conversion matrix. If given, this
should be 4- or 16-tuple containing floating point values. should be 4- or 16-tuple containing floating point values.
:param dither: Dithering method, used when converting from :param dither: Dithering method, used when converting from
mode "RGB" to "P". mode "RGB" to "P" or from "RGB" or "L" to "1".
Available methods are NONE or FLOYDSTEINBERG (default). Available methods are NONE or FLOYDSTEINBERG (default).
:param palette: Palette to use when converting from mode "RGB" :param palette: Palette to use when converting from mode "RGB"
to "P". Available palettes are WEB or ADAPTIVE. to "P". Available palettes are WEB or ADAPTIVE.