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GetPixelsUnsafe operations reset ColorType

See original GitHub issue

Description

Using GetPixelsUnsafe for either read or write results in the MagickImage object itself resetting the ColorType to TrueColor regardless of what it was set to before.

Steps to Reproduce

m.ColorType = ColorType.Grayscale;
using (var pix = m.GetPixelsUnsafe())
{
       return pix.ToArray();
}
Console.WriteLine(m.ColorType);

System Configuration

Magick.NET version: 8.3 (also reproducible in previous 8.x builds)
Environment (Operating system, version and so on): Windows 10

Issue Analytics

State:
Created 2 years ago
Comments:9 (5 by maintainers)

Top GitHub Comments

1reaction

dlemstracommented, Sep 7, 2021

This is caused by the call to mm.Alpha(AlphaOption.Off). Not sure why this is happening though.

0reactions

daxpandhicommented, Oct 19, 2021

Yes, thank you!

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Using GetPixelsUnsafe for either read or write results in the MagickImage object itself resetting the ColorType to TrueColor regardless of what it was...