From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:22:09 +0200
Subject: Adding upstream version 110.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 ...erToImageBitmap-transferControlToOffscreen.html | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-TransferToImageBitmap-transferControlToOffscreen.html

(limited to 'testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-TransferToImageBitmap-transferControlToOffscreen.html')
diff --git a/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-TransferToImageBitmap-transferControlToOffscreen.html b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-TransferToImageBitmap-transferControlToOffscreen.html
new file mode 100644
index 0000000000..f1c95fa84e
--- /dev/null
+++ b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-TransferToImageBitmap-transferControlToOffscreen.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Canvas's ImageBitmapRenderingContext test</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context">
+<script>
+var width = 10;
+var height = 10;
+
+function testCanvas(bitmapCanvas, r, g, b, a)
+{
+    var myCanvas = document.createElement('canvas');
+    myCanvas.width = width;
+    myCanvas.height = height;
+    var myCtx = myCanvas.getContext('2d');
+    myCtx.drawImage(bitmapCanvas, 0, 0);
+    var color = myCtx.getImageData(5, 5, 1, 1).data;
+    assert_array_equals(color, [r, g, b, a]);
+}
+
+promise_test(function() {
+    function testTransferFromImageBitmapNullability(greenImage) {
+        var bitmapCanvas = document.createElement('canvas');
+        bitmapCanvas.width = width;
+        bitmapCanvas.height = height;
+        var offscreenCanvas = bitmapCanvas.transferControlToOffscreen();
+        var bitmapCtx = offscreenCanvas.getContext('bitmaprenderer');
+        bitmapCtx.transferFromImageBitmap(greenImage);
+
+        // Make sure the bitmap renderer canvas is filled correctly.
+        var myCanvas = document.createElement('canvas');
+        var myCtx = myCanvas.getContext('bitmaprenderer');
+        myCtx.transferFromImageBitmap(offscreenCanvas.transferToImageBitmap());
+        testCanvas(myCanvas, 0, 255, 0, 255);
+
+        // Test that after transfering for second time to ImageBitmap produces
+        // a black bitmap of the same size
+        var myCanvas2 = document.createElement('canvas');
+        var myCtx2 = myCanvas2.getContext('bitmaprenderer');
+        myCtx2.transferFromImageBitmap(offscreenCanvas.transferToImageBitmap());
+        testCanvas(myCanvas2, 0, 0, 0, 0);
+    }
+
+    var greenCanvas = document.createElement('canvas');
+    greenCanvas.width = width;
+    greenCanvas.height = height;
+    var greenCtx = greenCanvas.getContext('2d');
+    greenCtx.fillStyle = '#0f0';
+    greenCtx.fillRect(0, 0, width, height);
+
+    return Promise.all([
+        createImageBitmap(greenCanvas),
+    ]).then(([greenImage]) => {
+        testTransferFromImageBitmapNullability(greenImage);
+    });
+},'Test that transferToImageBitmap works and that resets the imagebitmap to black');
+
+</script>
-- 
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