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| 1 <!DOCTYPE html> |
| 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/testharnessreport.js"></script> |
| 4 <script src="../resources/mojo-helpers.js"></script> |
| 5 <script src="resources/mock-barcodedetection.js"></script> |
| 6 <script src="resources/mock-facedetection.js"></script> |
| 7 <script> |
| 8 |
| 9 var createTestForCanvasElement = function(createDetector, |
| 10 createCanvas, |
| 11 mockReady, |
| 12 detectionResultTest) { |
| 13 async_test(function(t) { |
| 14 |
| 15 var img = new Image(); |
| 16 img.onload = function() { |
| 17 |
| 18 var canvas = createCanvas(); |
| 19 canvas.getContext("2d").drawImage(img, 0, 0); |
| 20 |
| 21 var theMock = null; |
| 22 mockReady() |
| 23 .then(mock => { |
| 24 theMock = mock; |
| 25 var detector = createDetector(); |
| 26 return detector; |
| 27 }) |
| 28 .catch(error => { |
| 29 assert_unreached("Error creating Mock Detector: " + error); |
| 30 }) |
| 31 .then(detector => { |
| 32 return detector.detect(canvas); |
| 33 }) |
| 34 .then(detectionResult => { |
| 35 detectionResultTest(detectionResult, theMock); |
| 36 t.done(); |
| 37 }) |
| 38 .catch(error => { |
| 39 assert_unreached("Error during detect(canvas): " + error); |
| 40 }); |
| 41 } |
| 42 |
| 43 img.src = "../media/content/greenbox.png"; |
| 44 }, "Detector detect(HTMLCanvasElement)"); |
| 45 }; |
| 46 |
| 47 function FaceDetectorDetectionResultTest(detectionResult, mock) { |
| 48 const imageReceivedByMock = mock.getFrameData(); |
| 49 assert_equals(imageReceivedByMock.byteLength, 180000,"Image length"); |
| 50 const GREEN_PIXEL = 0xFF00FF00; |
| 51 assert_equals(imageReceivedByMock[0], GREEN_PIXEL, "Pixel color"); |
| 52 assert_equals(detectionResult.length, 3, "Number of faces"); |
| 53 } |
| 54 |
| 55 function BarcodeDetectorDetectionResultTest(detectionResult, mock) { |
| 56 assert_equals(detectionResult.length, 2, "Number of barcodes"); |
| 57 assert_equals(detectionResult[0].rawValue, "cats", "barcode 1"); |
| 58 assert_equals(detectionResult[1].rawValue, "dogs", "barcode 2"); |
| 59 } |
| 60 |
| 61 // These tests verify that a Detector's detect() works on an HTMLCanvasElement |
| 62 // and on an OffscreenCanvas. Use the mock mojo server implemented in |
| 63 // mock-{barcode,face}detection.js. |
| 64 generate_tests(createTestForCanvasElement, [ |
| 65 [ |
| 66 "Face - HTMLCanvasElement", |
| 67 () => { return new FaceDetector(); }, |
| 68 () => { return document.createElement("canvas"); }, |
| 69 () => { return mockFaceDetectionReady; }, |
| 70 FaceDetectorDetectionResultTest |
| 71 ], |
| 72 [ |
| 73 "Face - OffscreenCanvas", |
| 74 () => { return new FaceDetector(); }, |
| 75 () => { return new OffscreenCanvas(300, 150); }, |
| 76 () => { return mockFaceDetectionReady; }, |
| 77 FaceDetectorDetectionResultTest |
| 78 ], |
| 79 [ |
| 80 "Barcode - HTMLCanvasElement", |
| 81 () => { return new BarcodeDetector(); }, |
| 82 () => { return document.createElement("canvas"); }, |
| 83 () => { return mockBarcodeDetectionReady; }, |
| 84 BarcodeDetectorDetectionResultTest |
| 85 ], |
| 86 [ |
| 87 "Barcode - OffscreenCanvas", |
| 88 () => { return new BarcodeDetector(); }, |
| 89 () => { return new OffscreenCanvas(300, 150); }, |
| 90 () => { return mockBarcodeDetectionReady; }, |
| 91 BarcodeDetectorDetectionResultTest |
| 92 ] |
| 93 ]); |
| 94 |
| 95 </script> |
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Chromium Code Reviews
Issue 2553343003:
ShapeDetection: add support for all CanvasImageSource input types (Closed)
