How to batch resizing images in specific wide proportionately?

[Michael_Jaq]

Having many images in current folder, I’m going to input specific width and resize them quickly in a batch proportionately.

Eventually can give an option of overwriting or creating new images before save as files in current folder.

Who can help create a macro for that?

Thank you in advance!

[Bill_Mabey]

This helped me…
https://www.macosxautomation.com/applescript/imageevents/04.html

[peternlewis]

Assuming you select the files first, you can use the techniques shown in:

Working with the Finder Selection

In Keyboard Maestro, you work with the Finder Selection by using the For Each action to iterate over the selected files. From there, you can do whatever you would like with the files using the various file actions, or by processing with a script or other means. There is a smart action in the acton selector for For Each Path in the Finder Selection, which is simply a For Each action, preset to iterate through the Finder Selection collection. You can put whatever actions you like within that ac…

to process each file.

Then Keyboard Maestro can read the image file (Read a File action), resize the image (Resize an Image to Fit action), and then write the file (Write to a File action).

You'll want to ensure you have good backups before attempting any batch operations.

[leochenfc]

It seems Read a File action to read image doesn't work properly on KM Version 9.0.3. The image is 11304 × 3904 on the disk, but it's only 2713x937 on clipboard. Those related actions like Resize Image and Get DPI of Image also don't work. Is this a bug of KM Version 9.0.3?

[guxianbang]

@leochenfc

Is this a bug of KM Version 9.0.3?

Change the image format to BMP, if successful, change back to png or jpeg

[leochenfc]

But the size of the image read is not the same as the size of it on the disk. And both getting DPI and getting size from system clipboard are failed. I think it should be a problem in the process of reading image to clipboard.

Best Regards,

陈风潮 Leo

[guxianbang]

@leochenfc

陈风潮

@ccstone

Have you actually tried copying a file to a named clipboard and then pasting back out from it?

-Chris

这个你尝试了么？