jimp-dev/jimp

Setting Background Color of Image not working

Open

#709 opened on Mar 10, 2019

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Description

Expected Behavior

Color the Image Background to specified color

Current Behavior

Image Background doesn't change color

Failure Information (for bugs)

No Error

Steps to Reproduce

  1. Read Image
  2. Set Background color
  3. Write to File
        return Jimp.read('app/background.png')
        .then(image => {
            image.background(0x0012faff);
        })
        .then(image => {
            return image.writeAsync(`app/new-${(new Date()/1000)}.png`);
        })

Context

  • Jimp Version: 0.6.0
  • Operating System: Mac Mojave
  • Node version: 7.0.0

Failure Logs

Contributor guide

Research direction
Trace the background method in Jimp's source code to understand why it doesn't apply the color correctly. Check if the issue is with alpha handling or the method's implementation.
Tech stack
javascript
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75