зеркало из https://github.com/mozilla/gecko-dev.git
128 строки
5.1 KiB
HTML
128 строки
5.1 KiB
HTML
<!DOCTYPE HTML>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<title>Canvas2D test: CaptureStream()</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="captureStream_common.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<script>
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var c; // Canvas element captured by streams.
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var h; // CaptureStreamTestHelper holding utility test functions.
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var vauto; // Video element with captureStream stream in automatic mode.
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var vmanual; // Video element with captureStream stream in manual (fps 0) mode.
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var vrate; // Video element with captureStream stream with fixed frame rate.
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function checkDrawColorInitialRed() {
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info("Checking that all video elements become red when initiated just after the first drawColor(red).");
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h.drawColor(c, h.red);
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vauto.srcObject = c.captureStream();
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vmanual.srcObject = c.captureStream(0);
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vrate.srcObject = c.captureStream(10);
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ok(h.isPixel(h.getPixel(vauto), h.blackTransparent, 0),
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"vauto should not be drawn to before stable state");
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ok(h.isPixel(h.getPixel(vrate), h.blackTransparent, 0),
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"vrate should not be drawn to before stable state");
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ok(h.isPixel(h.getPixel(vmanual), h.blackTransparent, 0),
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"vmanual should not be drawn to before stable state");
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return Promise.resolve()
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.then(() => h.waitForPixelColor(vauto, h.red, 0,
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"should become red automatically"))
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.then(() => h.waitForPixelColor(vrate, h.red, 0,
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"should become red automatically"))
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.then(() => h.waitForPixelColor(vmanual, h.red, 0,
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"should become red when we get" +
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" to stable state (first frame)"));
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}
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function checkDrawColorGreen() {
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info("Checking that drawing green propagates properly to video elements.");
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var drawing = h.startDrawing(() => h.drawColor(c, h.green));
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return Promise.resolve()
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.then(() => h.waitForPixelColor(vauto, h.green, 0,
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"should become green automatically"))
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.then(() => h.waitForPixelColor(vrate, h.green, 0,
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"should become green automatically"))
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.then(() => h.waitForPixelColor(vmanual, h.red, 0,
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"should still be red"))
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.then(() => h.requestFrame(vmanual))
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.then(() => h.waitForPixelColor(vmanual, h.green, 0,
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"should become green after requstFrame()"))
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.catch(err => ok(false, "checkDrawColorGreen failed: ", err))
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.then(() => drawing.stop());
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}
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function checkRequestFrameOrderGuarantee() {
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info("Checking that requestFrame() immediately after a drawColor() " +
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"call results in the expected frame seen in the stream.");
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return Promise.resolve()
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.then(() => h.waitForPixelColor(vmanual, h.green, 0,
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"should still be green"))
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.then(() => h.drawColor(c, h.red)) // 1. Draw canvas red
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.then(() => h.requestFrame(vmanual)) // 2. Immediately request a frame
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.then(() => h.waitForPixelColor(vmanual, h.red, 0,
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"should become red after call order test"))
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}
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function checkDrawImageNotCleanRed() {
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info("Checking that drawImage with not origin-clean image renders streams useless.");
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var ctx = c.getContext('2d');
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var notCleanRed = new Image();
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var drawing;
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return new Promise((resolve, reject) => {
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notCleanRed.onload = resolve;
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notCleanRed.onerror = () => reject(new Error("Failed to load tainted image."));
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notCleanRed.src = "http://example.com/tests/dom/canvas/test/image_red_crossorigin_credentials.png";
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document.body.appendChild(notCleanRed);
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})
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.then(() => drawing = h.startDrawing(() => ctx.drawImage(notCleanRed, 0, 0, c.width, c.height)))
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.then(() => h.testNotClean(c))
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.then(() => h.waitForPixelColorTimeout(vauto, h.red, 0, 1000,
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"should not become red"))
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.then(() => h.isPixelNot(h.getPixel(vrate), h.red, 250,
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"should not have become red"))
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.then(() => h.waitForPixelColor(vmanual, h.green, 0, "should still be green"))
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.then(() => h.requestFrame(vmanual))
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.then(() => h.waitForPixelColorTimeout(vmanual, h.red, 0, 1000,
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"should not become red"))
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.catch(err => ok(false, "checkDrawImageNotCleanRed failed: ", err))
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.then(() => drawing.stop());
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}
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function finish() {
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ok(true, 'Test complete.');
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SimpleTest.finish();
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}
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function beginTest() {
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h = new CaptureStreamTestHelper2D();
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c = h.createAndAppendElement('canvas', 'c');
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vauto = h.createAndAppendElement('video', 'vauto');
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vmanual = h.createAndAppendElement('video', 'vmanual');
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vrate = h.createAndAppendElement('video', 'vrate');
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Promise.resolve()
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.then(checkDrawColorInitialRed)
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.then(checkDrawColorGreen)
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.then(checkRequestFrameOrderGuarantee)
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.then(checkDrawColorGreen) // Restore video elements to green.
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.then(checkDrawImageNotCleanRed)
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.then(finish);
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}
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SimpleTest.waitForExplicitFinish();
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beginTest();
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</script>
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