Do not store obsolete tRNS chunk data following processing. #2975
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
There was a problem hiding this comment.
Pull Request Overview
This PR fixes an issue where obsolete tRNS (transparency) chunk data was being preserved in PNG files after image processing. The change ensures that when a PNG has transparency information but the color type changes during processing, the metadata is properly updated to reflect the new state.
- Updates the
AfterImageApplymethod to handle transparency metadata cleanup - Converts RGB images with transparency to RGBA format and clears obsolete transparency data
- Converts Grayscale images with transparency to GrayscaleWithAlpha format and clears obsolete transparency data
Co-authored-by: Copilot <[email protected]>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Prerequisites
Description
Fix #2974