CODEWITHSUNDEEP
pythongrayscalepythonmagick
pypy
pypy

Reputation: 1

PythonMagick: Convert RGB to Grayscale

I found this description link_1, link_2.

Trying to do so

import PythonMagick
img = PythonMagick.Image('file.png')
img.colorSpace('GRAYColorspace')

Return this

ArgumentError: Python argument types in
    Image.colorSpace(Image, str)
did not match C++ signature:
    colorSpace(class Magick::Image {lvalue})
    colorSpace(class Magick::Image {lvalue}, enum MagickCore::ColorspaceType)

How to do it?

Upvotes: 0

Views: 1099

Answers (1)

marcosnils
marcosnils

Reputation: 399

PythonMagick already supports ColorSpaceTypes since version 9.10

http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=25229

Here's an example to accomplish what you're trying to do:

import PythonMagick as pm
img = pm.Image('file.png')
img.colorSpace(pm.ColorspaceType.GRAYColorspace)

Upvotes: 0

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