A script to increase the minimum canvas size? (Like Image to adjust, but with just my canvas)

First to be clear, I'm looking to manipulate the size of the canvas. No image size.

I want to create a script to automatically increase the width and the height of my canvas in Photoshop to a size specific, when necessary. I don't want that to happen if my canvas is smaller than the specified size. For example: Let's say my canvas size is 300 x 250. I want the Web to be at LEAST 600 x 600. If I run my action, it will increase the size of the canvas to 600 x 600 for me. If I run this same script on an image where the size of the canvas is already 700 x 700, it did nothing for her because the width and height are equal to or greater than the size of my target.

She will also work with the height and width on an individual basis. If my image is 400 x 800, the action would increase my width of 400 to 600, but he let the height of 800 only. If the final canvas size will eventually be 600 x 800.

It's a bit like the option 'Adapter the Image' in Photoshop, but I want only to manipulate the size of my canvas, NOT the size of my image.

You can try this:

// resize canvas in either direction if it is below a defined minimum;
// 2011; use it at your own risk;
#target photoshop
if (app.documents.length > 0) {
var myDocument = app.activeDocument;
// set to pixels;
var originalRulerUnits = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.PIXELS;
// set the minimum values;
var minWidth = 600;
var minHeight = 600;
// get current ones;
var theWidth = myDocument.width;
var theHeight = myDocument.height;
// resize canvas;
myDocument.resizeCanvas(Math.max(minWidth, theWidth), Math.max(minHeight, theHeight), AnchorPosition.MIDDLECENTER);
// reset;
app.preferences.rulerUnits = originalRulerUnits;
};

Tags: Photoshop

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