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diff --git a/dom/canvas/test/test_imagebitmap_cropping.html b/dom/canvas/test/test_imagebitmap_cropping.html new file mode 100644 index 0000000000..56ccbf62e2 --- /dev/null +++ b/dom/canvas/test/test_imagebitmap_cropping.html @@ -0,0 +1,274 @@ +<!DOCTYPE HTML> +<title>Test ImageBitmap Cropping (Bug 1190210)</title> +<meta charset="utf-8"> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +<body> +<script type="text/javascript"> + +SimpleTest.waitForExplicitFinish(); + +/** + * [isPixel description] + * @param {[type]} ctx : canvas context + * @param {[type]} x : pixel x coordinate + * @param {[type]} y : pixel y coordinate + * @param {[type]} c : a rgba color code + * @param {[type]} d : error duration + * @return {Promise} + */ +function isPixel(ctx, x, y, c, d) { + var pos = x + "," + y; + var color = c[0] + "," + c[1] + "," + c[2] + "," + c[3]; + var pixel = ctx.getImageData(x, y, 1, 1); + var pr = pixel.data[0], + pg = pixel.data[1], + pb = pixel.data[2], + pa = pixel.data[3]; + ok(c[0]-d <= pr && pr <= c[0]+d && + c[1]-d <= pg && pg <= c[1]+d && + c[2]-d <= pb && pb <= c[2]+d && + c[3]-d <= pa && pa <= c[3]+d, + "pixel "+pos+" of "+ctx.canvas.id+" is "+pr+","+pg+","+pb+","+pa+"; expected "+color+" +/- "+d); +} + +// +// The pattern of the 320x240.ogv video. +// .------------------------------------------------. +// | 255 | 255 | 0 | 0 | 255 | 255 | 0 | +// | 255 | 255 | 255 | 255 | 0 | 0 | 0 | +// | 255 | 0 | 255 | 0 | 255 | 0 | 255 | +// | | | | | | | | +// ^ ^ ^ ^ ^ ^ ^ ^ +// 0 46 92 138 184 230 276 319 +// +// +// TEST_BITMAPS is a collection of test cases. +// Each object in the TEST_BITMAPS array is a test case with the following +// properties: +// 1) croppingArea: indicating the cropping area in format (x, y, width, height). +// 2) testedPixels: an array of pixels that is going to be checked. +// Each item in the testedPixels array contains: +// 2.1) "pixel": the coordinate of this pixel (x, y). +// 2.2) "expectedColor": the expected color of this pixel (r, g, b, a). +// 2.3) "tolerance": the acceptable tolerance of pixel values. +// +var TEST_BITMAPS = [ + // Cropping area is exactly the same as source surface. + {'croppingArea': [0, 0, 320, 240], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [255, 255, 255, 255], "tolerance": 5}, + {"pixel": [50, 0], "expectedColor": [255, 255, 0, 255], "tolerance": 5}]}, + // Cropping area completely covers the source surface. + {'croppingArea': [-100, -100, 520, 440], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [519, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [0, 439], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [519, 439], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [100, 100], "expectedColor": [255, 255, 255, 255], "tolerance": 5}, + {"pixel": [150, 120], "expectedColor": [255, 255, 0, 255], "tolerance": 5}, + {"pixel": [200, 140], "expectedColor": [0, 255, 255, 255], "tolerance": 5}]}, + // Cropping area partially covers the left-upper part of the source surface. + {'croppingArea': [-100, -100, 320, 240], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}, + {"pixel": [100, 100], "expectedColor": [255, 255, 255, 255], "tolerance": 5}, + {"pixel": [150, 100], "expectedColor": [255, 255, 0, 255], "tolerance": 5}]}, + // Cropping area partially covers the middle-upper part of the source surface. + {'croppingArea': [ 100, -100, 220, 240], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}, + {"pixel": [0, 100], "expectedColor": [0, 255, 255, 255], "tolerance": 5}, + {"pixel": [150, 100], "expectedColor": [255, 0, 0, 255], "tolerance": 5}]}, + // Cropping area partially covers the right-upper part of the source surface. + {'croppingArea': [ 200, -100, 320, 240], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}, + {"pixel": [0, 100], "expectedColor": [255, 0, 255, 255], "tolerance": 5}, + {"pixel": [100, 100], "expectedColor": [0, 0, 255, 255], "tolerance": 5}]}, + // Cropping area partially covers the left-center part of the source surface. + {'croppingArea': [-100, 100, 320, 120], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}, + {"pixel": [200, 0], "expectedColor": [0, 255, 255, 255], "tolerance": 5}, + {"pixel": [250, 10], "expectedColor": [0, 255, 0, 255], "tolerance": 5}]}, + // Cropping area partially covers the left-bottom part of the source surface. + {'croppingArea': [-100, 200, 320, 240], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}, + {"pixel": [100, 0], "expectedColor": [0, 60, 136, 255], "tolerance": 5}, + {"pixel": [180, 10], "expectedColor": [255, 255, 255, 255], "tolerance": 5}]}, + // Cropping area partially covers the middle-bottom part of the source surface. + {'croppingArea': [ 40, 200, 200, 100], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 60, 136, 255], "tolerance": 5}, + {"pixel": [100, 20], "expectedColor": [107, 0, 210, 255], "tolerance": 5}, + {"pixel": [80, 150], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}]}, + // Cropping area partially covers the right-bottom part of the source surface. + {'croppingArea': [ 160, 100, 300, 300], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 255, 0, 255], "tolerance": 5}, + {"pixel": [120, 20], "expectedColor": [0, 0, 255, 255], "tolerance": 5}, + {"pixel": [299, 299], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}]}, + // Cropping area is completely outside the source surface. (upper-left) + {'croppingArea': [-500, -500, 20, 20], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]}, + // Cropping area is completely outside the source surface. (upper-right) + {'croppingArea': [ 500, -500, 20, 20], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]}, + // Cropping area is completely outside the source surface. (bottom-left) + {'croppingArea': [-200, 500, 20, 20], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]}, + // Cropping area is completely outside the source surface. (bottom-right) + {'croppingArea': [ 500, 200, 20, 20], + 'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5}, + {"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]}, +]; + +function failed(ex) { + ok(false, "Promise failure: " + ex); +} + +var gImage; +var gVideo; +var gCanvas; +var gCtx; +var gImageData; +var gImageBitmap; +var gPNGBlob; +var gJPEGBlob; + +function prepareSources() { + gVideo = document.createElement("video"); + gVideo.src = "http://example.com/tests/dom/canvas/test/crossorigin/video.sjs?name=tests/dom/canvas/test/320x240.ogv&type=video/ogg&cors=anonymous"; + gVideo.crossOrigin = "anonymous"; + gVideo.autoplay = "true" + + + gCanvas = document.createElement("canvas"); + gCtx = gCanvas.getContext("2d"); + + var resolver; + var promise = new Promise(function(resolve, reject) { + resolver = resolve; + }); + + // Prepare video. + gVideo.onloadeddata = function() { + ok(gVideo, "[Prepare Sources] gVideo is ok."); + + // Prepare canvas. + gCanvas.width = gVideo.videoWidth; + gCanvas.height = gVideo.videoHeight; + gCtx.drawImage(gVideo, 0, 0); + ok(gCanvas, "[Prepare Sources] gCanvas is ok."); + ok(gCtx, "[Prepare Sources] gCtx is ok."); + + // Prepare image. + gImage = document.createElement("img"); + gImage.src = gCanvas.toDataURL(); + var resolverImage; + var promiseImage = new Promise(function(resolve, reject) { + resolverImage = resolve; + }); + gImage.onload = function() { + resolverImage(true); + } + + // Prepare ImageData. + gImageData = gCtx.getImageData(0, 0, gCanvas.width, gCanvas.height); + ok(gImageData, "[Prepare Sources] gImageData is ok."); + + // Prepapre PNG Blob. + var promisePNGBlob = new Promise(function(resolve, reject) { + gCanvas.toBlob(function(blob) { + gPNGBlob = blob; + ok(gPNGBlob, "[Prepare Sources] gPNGBlob is ok."); + resolve(true); + }); + }); + + // Prepare JPEG Blob. + var promiseJPEGBlob = new Promise(function(resolve, reject) { + gCanvas.toBlob(function(blob) { + gJPEGBlob = blob; + ok(gJPEGBlob, "[Prepare Sources] gJPEGBlob is ok."); + resolve(true); + }, "image/jpeg", 0.95); + }); + + // Prepare ImageBitmap. + var promiseImageBitmap = new Promise(function(resolve, reject) { + var p = createImageBitmap(gVideo); + p.then(function(bitmap) { + gImageBitmap = bitmap; + ok(gImageBitmap, "[Prepare Sources] gImageBitmap is ok."); + resolve(true); + }); + }); + + resolver(Promise.all([ + promiseImage, + promisePNGBlob, + promiseJPEGBlob, + promiseImageBitmap + ])) + } + + return promise; +} + +function testCropping_randomTest(source) { + var canvasSrouce = document.createElement("canvas"); + var ctxSource = canvasSrouce.getContext("2d"); + + var p = createImageBitmap(source); + p.then(function(bitmap) { + canvasSrouce.width = bitmap.width; + canvasSrouce.height = bitmap.height; + }); +} + +function testCropping(source) { + var canvas = document.createElement("canvas"); + var ctx = canvas.getContext("2d"); + document.body.appendChild(canvas); + + function createBitmap(def) { + return createImageBitmap(source, def.croppingArea[0], def.croppingArea[1], def.croppingArea[2], def.croppingArea[3]) + .then(function (bitmap) { def.bitmap = bitmap; }, failed); + }; + + var promise = new Promise(function(resolve, reject) { + resolve(Promise.all(TEST_BITMAPS.map(createBitmap))) + }); + + function testPixel(testedPixel) { + isPixel(ctx, testedPixel.pixel[0], testedPixel.pixel[1], testedPixel.expectedColor, testedPixel.tolerance); + }; + + return promise.then(function() { + TEST_BITMAPS.forEach(function (testCase) { + if (!testCase.bitmap) { return; } + ctx.clearRect(0, 0, canvas.width, canvas.height); + canvas.width = testCase.bitmap.width; + canvas.height = testCase.bitmap.height; + ctx.drawImage(testCase.bitmap, 0, 0); + testCase.testedPixels.forEach(testPixel); + }); + }); +} + +function runTests() { + + prepareSources(). + then( function() { return Promise.all([testCropping(gImage), + testCropping(gVideo), + testCropping(gCanvas), + testCropping(gCtx), + testCropping(gImageData), + testCropping(gImageBitmap), + testCropping(gPNGBlob), + testCropping(gJPEGBlob)]); }). + then(SimpleTest.finish, function(ev) { failed(ev); SimpleTest.finish(); }); +} + +addLoadEvent(runTests); + +</script> +</body> |