IM7 "label:" and FX expressions with Windows 10

[GeeMack]

Using IM 7.0.7-30 Q16 x64 HDRI from Windows 10 command line, this command...

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magick label:"%[fx:1]" test1.png

... produces this error message and no image...

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magick: no images for write '-write' 'test1.png' at CLI arg 2 @ error/operation.c/CLINoImageOperator/4792.

This command...

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magick -pointsize 50 -background pink label:"ABC %[fx:1] 123" test2.png

... produces this image...



It seems to just stop creating the label when it hits the FX expression.

As described at THIS link, I've always understood FX expressions are supposed to be parsed when creating a "label:".

[fmw42]

fx expression work with -label. -label is not the same as label:. I am not sure label: allows direct fx expression evaluation. The developers will need to provide a definitive answer.

[snibgo]

GeeMack's examples work fine for me with IM v7.0.7-28 on Windows 8.1. The %[fx:] expression can be more than a simple number:

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magick -pointsize 50 -background pink label:"ABC%[fx:1/7]DEF" fxlabel.png

EDIT to add: it also works on v6.9.5-3 and v6.9.9.40.

[fmw42]

This fails for me on IM 7.0.7.29 Q16 Mac OSX

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magick -size 100x -background white label:"%[fx:1]" test1.png

magick: no images for write '-write' 'test1.png' at CLI arg 6 @ error/operation.c/CLINoImageOperator/4792.

Snibgo's command

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magick -pointsize 50 -background pink label:"ABC%[fx:1/7]DEF" fxlabel.png

just shows the image, ABC

[magick]

Thanks for the problem report. We can reproduce it and will have a patch to fix it in GIT master branch @ https://github.com/ImageMagick/ImageMagick later today. The patch will be available in the beta releases of ImageMagick @ https://www.imagemagick.org/download/beta/ by sometime tomorrow.

[GeeMack]

This issue appears to be resolved in IM 7.0.7-32. Thanks!