Replies: 1 comment
-
Wait - could it be related to this?: #624 |
Beta Was this translation helpful? Give feedback.
0 replies
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
-
Wait - could it be related to this?: #624 |
Beta Was this translation helpful? Give feedback.
-
Hi all - a little perplexed, but I'm trying to reposition an image using copyExpandCanvas. My goal is to add transparent space around a transparent background PNG to make it center horizontially, and about 1/3 vertically. But what I'm finding is that copyExpandCanvas is adding pixels which are not transparent (alpha:0). I tried to explicitly add
backgroundColor: img.ColorRgba8(255, 255, 255, 0)
but that doesn't help either. Also, when I useImageGallerySaver.saveImage
, it saves as a jpg and not a png?My code (pardon how verbose it is) is as follows:
This is the image I put in:
![exampleImageInput](https://private-user-images.githubusercontent.com/2899062/317009174-2a0eec50-95f5-4ac2-b378-586144febc10.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.n9V3jHtfec0mh1_vPPebBa-k_-oP6BXPmpIIoAErXug)
And here is how it outputs:
![IMG_1059](https://private-user-images.githubusercontent.com/2899062/317008569-bb06f0fe-df6f-4cd0-a7c5-5ba24909e8b6.JPG?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.rF3RLwaKO6kcqVVSqPdJvwBc_oBm6H_B5ngkAnHze2Q)
Additionally, when I use
![IMG_1038](https://private-user-images.githubusercontent.com/2899062/317008624-929f72b3-24d7-4a26-aae1-460396a0d9ff.JPG?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.-HQFfyUfpfB2Fe9g6vcYzNCMygzTB8QdyG5glaz-GmY)
backgroundColor: img.ColorRgba8(0, 0, 0, 0)
, I get the following - it's not a transparent background:I want the background to remain as transparent. Your help is greatly appreciated!
Cheers
Beta Was this translation helpful? Give feedback.
All reactions