Wrong density unit on png images

[stephsen]

Description

Hello,

When I retrieve the density of an image in png format, it returns the value '314.96' with a unit of 'inch'.

But in Photoshop, the density is 800 pixels per inch and

and in pixels per centimeter

I try to change units, but it's not work because Density object is already in PixelsPerInch, but value in PixelsPerCentimeter.
image.Density.ChangeUnits(DensityUnit.PixelsPerInch)

Steps to Reproduce

Use attached picture to reproduce this.

• Magick.NET version: Magick.NET-Q16-x64 9.0.0
• Environment (Operating system, version and so on): Windows 10 pro

Thanks
PNG_GRIS.zip

[dlemstra]

It looks like you found a bug inside ImageMagick. After the image is read we get some information from the xmp profile. But we only change the units and not the resolution. This will be fixed in the next release and the resolution will be 800 DPI.

[stephsen]

Hello,

do you have any idea when the new version will be released?

Thanks a lot

[dlemstra]

You were lucky. I was planning to release a new version this weekend and I just published that release. Normally the answer would be: I don't know?.

[stephsen]

Unfortunately, that doesn't work. I have exactly the same result

[dlemstra]

I am getting this as the output:

[stephsen]

I don't have a same result as you !

[stephsen]

Hello,

do you have an explanation why it's different for the same image ?

Thanks

[stephsen]

My apologies,

I just updated to the latest version and the result is correct.

Thanks a lot for your good job.

[dlemstra]

No problem was just going to aak if you could double check if you upgraded to the most recent version.