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stillazoe
Participating Frequently
July 28, 2021
Answered

Canvas extension color from Checkered to white?

  • July 28, 2021
  • 3 replies
  • 4198 views

I would like to change the canvas extension to white from checkered.

I have learned how to add a border around a photo by adjusting canvas size. 

In that dialogue box, the "canvas extension color" down arrow is not clickable.

The color box at the very bottom left currently shows two overlapping white boxes.  Changing either of these two colors has no effect on the border.

I am working in RBG mode.

Thanks for your help.  Trying to send this photo to the printer....

This topic has been closed for replies.
Correct answer hatstead

Go to Image>resize>canvas size. 

In this dialog you can define the extension of the width & height. Note the dropdown to access the scale, e.g. inches, percent, etc.

If you wish to extend just one border, use the Anchor button

At the bottom you can select the color to suit.

If this is not what you are after, let us know,

3 replies

Participant
January 17, 2024

I believe this only works with jpg files. I have a png file, and whenver I increase its canvas the only extension color is checkered and there is no way for me to make it my preferred white background. But, if I save the png to a jpg, then I'm able to do it.

Glenn 8675309
Legend
January 17, 2024

JPG's can't work with transparent layers.   It's all based upon your original canvas you set up. 

Let's say you got the transparent backgroun when you expaanded your canvas- just add a layer and flood fill it with white.

Lets say you work with a jpg on a canvas- and you exapnd the canvas: it's gonna be white:  JPGs cant have a transparent background- so it's white.

Glenn 8675309
Legend
January 17, 2024

This link explains the jpg  png stuff in very simple terms.

https://www.glenncuneo.com/jpg-vs-png.html

Jeff Arola
Community Expert
Community Expert
July 28, 2021

For the Canvas Extension Color to be active your image needs to have a Background Layer.

 

You can go to Layer>Flatten Image or make a Background from the selected layer by going to Layer>New>Background from Layer.

 

 

stillazoe
stillazoeAuthor
Participating Frequently
July 28, 2021

Thank you Jeff!  After I figured out how to make a background from a layer, it worked like a charm!

hatstead
hatsteadCorrect answer
Inspiring
July 28, 2021

Go to Image>resize>canvas size. 

In this dialog you can define the extension of the width & height. Note the dropdown to access the scale, e.g. inches, percent, etc.

If you wish to extend just one border, use the Anchor button

At the bottom you can select the color to suit.

If this is not what you are after, let us know,

stillazoe
stillazoeAuthor
Participating Frequently
July 28, 2021

Hello and thanks for this response.

That's exactly what I'm after, but if you notice, in my original note, I said that the "Canvas extension Color" is not clickable.  It shows "background" and nothing happens if I click the little down arrow to the right.  

Does the fact that my image is png. format make any difference?