Fund: Alpha channel not captured

Alpha channel not captured

5 years ago

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Hello,

RGBA values are ones sent by the underlying layer (the OS). MSS does not alter that data, so if that does not work for you, I am afraid there is nothing that can be done on the MSS level.

Originally posted by @BoboTiG in #151 (comment)

In the windows.py, the following comments seems to strip off the alpha channel data:

python-mss/mss/windows.py

Lines 237 to 242 in 229bd0b

    
                       [2] bmi.bmiHeader.biBitCount = 32 
        
                           image_data = create_string_buffer(height * width * 4) 
        
                       We grab the image in RGBX mode, so that each word is 32bit 
        
                       and we have no striding, then we transform to RGB. 
        
                       Inspired by https://github.com/zoofIO/flexx

What is the consideration here?

tiger-222/python-mss

Alpha channel not captured

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	[2] bmi.bmiHeader.biBitCount = 32
	image_data = create_string_buffer(height * width * 4)

	We grab the image in RGBX mode, so that each word is 32bit
	and we have no striding, then we transform to RGB.
	Inspired by https://github.com/zoofIO/flexx

tiger-222/python-mss

Alpha channel not captured

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