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bug#63231: 28.1; image-converter should remove warning messages while co
From: |
awrhygty |
Subject: |
bug#63231: 28.1; image-converter should remove warning messages while conversion |
Date: |
Tue, 02 May 2023 22:56:28 +0900 |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: awrhygty@outlook.com
>> Date: Tue, 02 May 2023 17:02:21 +0900
>>
>>
>> I have a WEBP image with a GRAY ICC profile which can be converted into
>> PNG format successfully by ImageMagick command,
>> but with a warning message such like:
>>
>> magick convert test.webp test.png
>> convert: profile 'icc': 'GRAY': Gray color space not permitted on
>> RGB PNG `test.png' @ warning/png.c/MagickPNGWarningHandler/1748.
>>
>> When trying to display the image within a emacs buffer,
>> image-converter takes both standard output and standard error while
>> converting it into a PNG data, and emacs fails to display the image.
>>
>> A simple avoiding way is adding -quiet option to converting command.
>> Ideally, image-converter should split standard error into another buffer.
>
> What if the errors are fatal? don't we want to present the user with
> the error messages?
If error number is zero, warning message is not so important.
Messaging the warning in echo area will be enough.