jimp-dev/jimp

Convert BMP to JPG and resulted image has incorrect color

Open

#975 opened on Jan 5, 2021

View on GitHub
 (2 comments) (0 reactions) (0 assignees)JavaScript (785 forks)batch import
bughelp wanted

Repository metrics

Stars
 (13,218 stars)
PR merge metrics
 (No merged PRs in 30d)

Description

Expected Behavior

The converted JPG image should maintain the same color scheme.

Current Behavior

The colors of the converted JPG image fall in the red spectrum

Failure Information (for bugs)

Screenshots

Original image original-image

Outputted image lena-small-bw4-1609828096077

Steps to Reproduce

  • Jimp Version: 0.16.1
  • Operating System: Unbuntu
  • Node version: v10.18.1

Failure Logs

Contributor guide

Research direction
Investigate how Jimp reads BMP files and converts to JPG, focusing on color space handling (e.g., BGR vs RGB) and potential missing or incorrect color profile conversion.
Tech stack
javascriptnodejs
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.
Mostly clear
Prerequisites
GitNode.js
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65