From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 gfx/tests/reftest/1972885-ref.html | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 gfx/tests/reftest/1972885-ref.html

(limited to 'gfx/tests/reftest/1972885-ref.html')
diff --git a/gfx/tests/reftest/1972885-ref.html b/gfx/tests/reftest/1972885-ref.html
new file mode 100644
index 0000000000..1466912b49
--- /dev/null
+++ b/gfx/tests/reftest/1972885-ref.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+<meta charset="utf-8">
+<title>Reference for Bug 1972885</title>
+<style>
+body {
+  margin: 0;
+}
+canvas {
+  /* Rounded up. */
+  margin-top: 2px;
+  width: 100px;
+  /* Subpixel snapped down. */
+  height: 100px;
+}
+</style>
+<canvas id="canvas"></canvas>
+<script>
+function draw(canvas, width, height) {
+  const ctx = canvas.getContext('2d');
+  canvas.width = width;
+  canvas.height = height;
+  const imgData = ctx.createImageData(width, height);
+  const u32View = new Uint32Array(imgData.data.buffer);
+  u32View.fill(0xFFFFFFFF);
+  for (let y = 0; y < height; y += 2) {
+    for (let x = 0; x < width; x++) {
+      u32View[y * width + x] = 0xFF000000;
+    }
+  }
+  ctx.putImageData(imgData, 0, 0);
+}
+
+draw(canvas, 100, 100);
+</script>
-- 
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