export imagedata into a file ?

Jacques Hausser jacques.hausser at unil.ch
Tue May 8 11:03:05 EDT 2018

Sorry, I didn’t read carefully.
But I think that the imageData needs a kind of “frame” to become an image. So the simplest way to do it is to populate, for instance, an hidden image with the imageData and then export it.

> Le 8 mai 2018 à 16:17, jbv via use-livecode <use-livecode at lists.runrev.com> a écrit :
> Hi list,
> I have a script that starts as follows :
>   put URL "binfile:/myFile.jpg" into tImageData
>   put tImageData into image "Image_test"
>   put the imagedata of image "Image_test" into tImageData
>   -- tImageData processing
> After tImageData is processed, I would like to export
> its content directly into a file.
> I tried :
>   put tImageData into URL "binfile:/test.jpg"
> but the file is considered corrupted and can't be opened.
> I also tried :
>   put tImageData into URL "binfile:/test.jpg" as JPEG
> but it returns an error.
> I know I can set the imagedata of an image to the content
> of tImageData, and then use "export snapshot", but for some
> reasons too long to explain, I would like to follow a different
> path.
> So, How can I export the binary content of tImageData to
> a jpeg or png file that can be opened like any similar
> file ?
> Thanks in advance,
> jbv
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