LibWeb: Fix CRC2D.getImageData() when width != height

We were mistakenly using the width as both width and height when getting ImageData from a 2D canvas.
Author: https://github.com/awesomekling Commit: 134c4b6335 Pull-request: https://github.com/SerenityOS/serenity/pull/23969 Reviewed-by: https://github.com/kennethmyhra ✅
2025-08-01 05:39:11 +00:00 · 2024-04-15 09:36:57 +02:00 · 2024-04-15 09:36:57 +02:00 · 134c4b6335 · 2024-07-17 07:16:27 +09:00
commit 134c4b6335
parent e487f70bbf
3 changed files with 14 additions and 1 deletions
--- a/Tests/LibWeb/Text/input/HTML/canvas-getImageData-oblong.html
+++ b/Tests/LibWeb/Text/input/HTML/canvas-getImageData-oblong.html
@ -0,0 +1,11 @@
+<script src="../include.js"></script>
+<body><canvas id=c width=1 height=2></div>
+<script>
+    test(() => {
+        let x = c.getContext("2d");
+        x.clearRect(0, 0, 1, 1);
+        let d = x.getImageData(0, 0, 1, 2);
+        println(d);
+        println("PASS: Didn't crash");
+    });
+</script>