Files
ladybird/Tests/LibWeb/Screenshot/input/image-unpremultiplied-data.html
Aliaksandr Kalenik d2528dd5ce LibWeb: Compare Screenshot tests directly against expected PNGs
Instead of rendering a reference HTML page that wraps an <img> tag
pointing to a PNG, Screenshot tests now load the expected PNG directly
from disk and compare it against the rendered screenshot. This
eliminates the indirection of loading and rendering a second page just
to display a static image.

This also means --rebaseline now works for Screenshot tests, generating
the expected PNG automatically instead of requiring manual screenshot
capture and placement.

Changes:
- Add TestMode::Screenshot with its own collector and runner
- Move PNGs from Screenshot/images/ to Screenshot/expected/ with
  normalized names matching input filenames
- Remove all 92 reference HTML wrapper files and the images/
  directory
- Remove <link rel="match"> from all 94 Screenshot input HTML
  files
- Update add_libweb_test.py Screenshot boilerplate accordingly
- Add Screenshot mode to results viewer image comparison tabs
2026-02-24 09:55:14 +01:00

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HTML

<!DOCTYPE html>
<meta name="fuzzy" content="maxDifference=0-1;totalPixels=0-1332">
<img style="width: 200px; height: 200px" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAAxUlEQVRoge2Z0Q6EIAwEwf//Z+5pE0P0BCxlLTvvKOOSqm1KQghhRSmpzL5HtrzYyIZzttmDyUUsnvhboVeLZxyZUaGhRS5nvlOoW8RDAvTIdIl4SoBWmWaRFRKgRaZJZKUEeJI5vDYym8dEGNIA/1LZIxGmNMBdKvETYUwDXKUSJhGJsCERNi6rFnPFAnXlUvllQyJsSIQNfcazoV9dNtQOYmOvTiMI0fsFIbrxIMR85MznJ1Y1n58h1qyc6rrA8EIVYnd+9SZLMlMCtbAAAAAASUVORK5CYII=">