Intervention / Intervention/image

Add more encoder options

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major-release
Dominant language
PHP
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Description

Add more encoder options. We would first need to discuss to what extent this would even be possible (GD has very limited capabilities in this regard) and how to standardize it in a user-friendly way.

The following areas may be considered.

  • Bit depth
  • Dither
  • Compression type
  • Filter
  • Effort (libvips specific)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the issue’s proposed encoder areas: bit depth, dither, compression type, filter, and effort. Investigate what GD can support and how libvips-specific effort differs, then discuss a user-friendly standard before implementation. Done would require an agreed scope and API, followed by support for the selected options.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
computer-graphics
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

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