How to automate GIF to PNG with Preview using AppleScript

applescriptpreview

I have a GIF file but I can open it only with Preview because it is a little bit ruined (GIMP or other programs does not open it correctly but it works with Preview).

I want to export it to PNG files. As far as I know the only way to do it is:

Manually select the next frame
File → Export
Choose the right format to export and specify the path
Click Save and repeat

I'd like to automate it. Some advice?

Best Answer

You would have to use something like php, or a workflow.

There are no AppleScript dictionaries for Preview. Which means you would not be able to do it in AppleScript.

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I've run into this with some forms, it's not always clear why (although in your case the DRM seems the likely culprit). The workaround for me has always been filling it out as normal, then using the print to PDF functionality (File → Print → PDF → Save as PDF). Certainly not the easiest, and it means you can't re-edit in some situations. But it's still better than dealing with Acrobat.

Alternatively, you could buy PDFPen, which is a pretty fool-proof way of dealing with any PDF form you can find.

Script to preview two .png s side by side

Open the two files with Preview, then run the following to position the windows:

tell application "Preview"
    activate
    set the bounds of the first window to {0, 0, 700, 1000}
    set the bounds of the second window to {700, 0, 1400, 1000}
end tell

Customise the coordinates as you wish depending on monitor resolution.
Syntax: {x₁, y₂, x₁, y₂}

Enable AppleScript in Preview in OS X ≤10.8 by quitting Preview and running:

defaults write com.apple.Preview NSAppleScriptEnabled -bool true

Best Answer

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MacOS – Preview does not save PDF form data

Script to preview two .png s side by side

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