forked from mirrors/gecko-dev
3274be9ff2
Backed out changeset 1b6bef229ce4 (bug 1860492) Backed out changeset 22a3235fe2dc (bug 1860492) Backed out changeset a5b2e4d12e44 (bug 1860492) Backed out changeset cbcb811ca382 (bug 1860492) Backed out changeset d6a999866f19 (bug 1860492) Backed out changeset 40cee82fa090 (bug 1860492) Backed out changeset eeec1917ab49 (bug 1860492) Backed out changeset cf1230802d5c (bug 1860492) Backed out changeset b34aacf0e966 (bug 1860492) Backed out changeset 45d137c795f1 (bug 1860492) Backed out changeset fb667be5932d (bug 1860492) Backed out changeset a6d22d73c8a5 (bug 1860492) Backed out changeset c8b6c53698f5 (bug 1860492)
274 lines
12 KiB
HTML
274 lines
12 KiB
HTML
<!DOCTYPE HTML>
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<title>Test ImageBitmap Cropping (Bug 1190210)</title>
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<meta charset="utf-8">
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<script type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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/**
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* [isPixel description]
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* @param {[type]} ctx : canvas context
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* @param {[type]} x : pixel x coordinate
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* @param {[type]} y : pixel y coordinate
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* @param {[type]} c : a rgba color code
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* @param {[type]} d : error duration
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* @return {Promise}
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*/
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function isPixel(ctx, x, y, c, d) {
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var pos = x + "," + y;
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var color = c[0] + "," + c[1] + "," + c[2] + "," + c[3];
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var pixel = ctx.getImageData(x, y, 1, 1);
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var pr = pixel.data[0],
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pg = pixel.data[1],
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pb = pixel.data[2],
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pa = pixel.data[3];
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ok(c[0]-d <= pr && pr <= c[0]+d &&
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c[1]-d <= pg && pg <= c[1]+d &&
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c[2]-d <= pb && pb <= c[2]+d &&
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c[3]-d <= pa && pa <= c[3]+d,
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"pixel "+pos+" of "+ctx.canvas.id+" is "+pr+","+pg+","+pb+","+pa+"; expected "+color+" +/- "+d);
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}
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//
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// The pattern of the 320x240.ogv video.
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// .------------------------------------------------.
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// | 255 | 255 | 0 | 0 | 255 | 255 | 0 |
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// | 255 | 255 | 255 | 255 | 0 | 0 | 0 |
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// | 255 | 0 | 255 | 0 | 255 | 0 | 255 |
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// | | | | | | | |
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// ^ ^ ^ ^ ^ ^ ^ ^
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// 0 46 92 138 184 230 276 319
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//
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//
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// TEST_BITMAPS is a collection of test cases.
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// Each object in the TEST_BITMAPS array is a test case with the following
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// properties:
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// 1) croppingArea: indicating the cropping area in format (x, y, width, height).
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// 2) testedPixels: an array of pixels that is going to be checked.
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// Each item in the testedPixels array contains:
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// 2.1) "pixel": the coordinate of this pixel (x, y).
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// 2.2) "expectedColor": the expected color of this pixel (r, g, b, a).
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// 2.3) "tolerance": the acceptable tolerance of pixel values.
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//
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var TEST_BITMAPS = [
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// Cropping area is exactly the same as source surface.
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{'croppingArea': [0, 0, 320, 240],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [255, 255, 255, 255], "tolerance": 5},
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{"pixel": [50, 0], "expectedColor": [255, 255, 0, 255], "tolerance": 5}]},
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// Cropping area completely covers the source surface.
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{'croppingArea': [-100, -100, 520, 440],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [519, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [0, 439], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [519, 439], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [100, 100], "expectedColor": [255, 255, 255, 255], "tolerance": 5},
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{"pixel": [150, 120], "expectedColor": [255, 255, 0, 255], "tolerance": 5},
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{"pixel": [200, 140], "expectedColor": [0, 255, 255, 255], "tolerance": 5}]},
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// Cropping area partially covers the left-upper part of the source surface.
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{'croppingArea': [-100, -100, 320, 240],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5},
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{"pixel": [100, 100], "expectedColor": [255, 255, 255, 255], "tolerance": 5},
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{"pixel": [150, 100], "expectedColor": [255, 255, 0, 255], "tolerance": 5}]},
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// Cropping area partially covers the middle-upper part of the source surface.
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{'croppingArea': [ 100, -100, 220, 240],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5},
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{"pixel": [0, 100], "expectedColor": [0, 255, 255, 255], "tolerance": 5},
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{"pixel": [150, 100], "expectedColor": [255, 0, 0, 255], "tolerance": 5}]},
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// Cropping area partially covers the right-upper part of the source surface.
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{'croppingArea': [ 200, -100, 320, 240],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5},
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{"pixel": [0, 100], "expectedColor": [255, 0, 255, 255], "tolerance": 5},
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{"pixel": [100, 100], "expectedColor": [0, 0, 255, 255], "tolerance": 5}]},
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// Cropping area partially covers the left-center part of the source surface.
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{'croppingArea': [-100, 100, 320, 120],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5},
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{"pixel": [200, 0], "expectedColor": [0, 255, 255, 255], "tolerance": 5},
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{"pixel": [250, 10], "expectedColor": [0, 255, 0, 255], "tolerance": 5}]},
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// Cropping area partially covers the left-bottom part of the source surface.
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{'croppingArea': [-100, 200, 320, 240],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5},
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{"pixel": [100, 0], "expectedColor": [0, 60, 136, 255], "tolerance": 5},
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{"pixel": [180, 10], "expectedColor": [255, 255, 255, 255], "tolerance": 5}]},
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// Cropping area partially covers the middle-bottom part of the source surface.
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{'croppingArea': [ 40, 200, 200, 100],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 60, 136, 255], "tolerance": 5},
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{"pixel": [100, 20], "expectedColor": [107, 0, 210, 255], "tolerance": 5},
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{"pixel": [80, 150], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}]},
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// Cropping area partially covers the right-bottom part of the source surface.
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{'croppingArea': [ 160, 100, 300, 300],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 255, 0, 255], "tolerance": 5},
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{"pixel": [120, 20], "expectedColor": [0, 0, 255, 255], "tolerance": 5},
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{"pixel": [299, 299], "expectedColor": [0, 0, 0, 0 ], "tolerance": 5}]},
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// Cropping area is completely outside the source surface. (upper-left)
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{'croppingArea': [-500, -500, 20, 20],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]},
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// Cropping area is completely outside the source surface. (upper-right)
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{'croppingArea': [ 500, -500, 20, 20],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]},
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// Cropping area is completely outside the source surface. (bottom-left)
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{'croppingArea': [-200, 500, 20, 20],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]},
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// Cropping area is completely outside the source surface. (bottom-right)
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{'croppingArea': [ 500, 200, 20, 20],
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'testedPixels': [{"pixel": [0, 0], "expectedColor": [0, 0, 0, 0], "tolerance": 5},
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{"pixel": [19, 19], "expectedColor": [0, 0, 0, 0], "tolerance": 5}]},
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];
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function failed(ex) {
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ok(false, "Promise failure: " + ex);
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}
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var gImage;
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var gVideo;
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var gCanvas;
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var gCtx;
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var gImageData;
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var gImageBitmap;
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var gPNGBlob;
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var gJPEGBlob;
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function prepareSources() {
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gVideo = document.createElement("video");
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gVideo.src = "http://example.com/tests/dom/canvas/test/crossorigin/video.sjs?name=tests/dom/canvas/test/320x240.ogv&type=video/ogg&cors=anonymous";
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gVideo.crossOrigin = "anonymous";
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gVideo.autoplay = "true"
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gCanvas = document.createElement("canvas");
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gCtx = gCanvas.getContext("2d");
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var resolver;
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var promise = new Promise(function(resolve, reject) {
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resolver = resolve;
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});
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// Prepare video.
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gVideo.onloadeddata = function() {
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ok(gVideo, "[Prepare Sources] gVideo is ok.");
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// Prepare canvas.
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gCanvas.width = gVideo.videoWidth;
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gCanvas.height = gVideo.videoHeight;
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gCtx.drawImage(gVideo, 0, 0);
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ok(gCanvas, "[Prepare Sources] gCanvas is ok.");
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ok(gCtx, "[Prepare Sources] gCtx is ok.");
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// Prepare image.
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gImage = document.createElement("img");
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gImage.src = gCanvas.toDataURL();
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var resolverImage;
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var promiseImage = new Promise(function(resolve, reject) {
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resolverImage = resolve;
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});
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gImage.onload = function() {
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resolverImage(true);
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}
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// Prepare ImageData.
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gImageData = gCtx.getImageData(0, 0, gCanvas.width, gCanvas.height);
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ok(gImageData, "[Prepare Sources] gImageData is ok.");
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// Prepapre PNG Blob.
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var promisePNGBlob = new Promise(function(resolve, reject) {
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gCanvas.toBlob(function(blob) {
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gPNGBlob = blob;
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ok(gPNGBlob, "[Prepare Sources] gPNGBlob is ok.");
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resolve(true);
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});
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});
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// Prepare JPEG Blob.
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var promiseJPEGBlob = new Promise(function(resolve, reject) {
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gCanvas.toBlob(function(blob) {
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gJPEGBlob = blob;
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ok(gJPEGBlob, "[Prepare Sources] gJPEGBlob is ok.");
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resolve(true);
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}, "image/jpeg", 0.95);
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});
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// Prepare ImageBitmap.
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var promiseImageBitmap = new Promise(function(resolve, reject) {
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var p = createImageBitmap(gVideo);
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p.then(function(bitmap) {
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gImageBitmap = bitmap;
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ok(gImageBitmap, "[Prepare Sources] gImageBitmap is ok.");
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resolve(true);
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});
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});
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resolver(Promise.all([
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promiseImage,
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promisePNGBlob,
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promiseJPEGBlob,
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promiseImageBitmap
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]))
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}
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return promise;
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}
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function testCropping_randomTest(source) {
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var canvasSrouce = document.createElement("canvas");
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var ctxSource = canvasSrouce.getContext("2d");
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var p = createImageBitmap(source);
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p.then(function(bitmap) {
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canvasSrouce.width = bitmap.width;
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canvasSrouce.height = bitmap.height;
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});
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}
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function testCropping(source) {
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var canvas = document.createElement("canvas");
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var ctx = canvas.getContext("2d");
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document.body.appendChild(canvas);
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function createBitmap(def) {
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return createImageBitmap(source, def.croppingArea[0], def.croppingArea[1], def.croppingArea[2], def.croppingArea[3])
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.then(function (bitmap) { def.bitmap = bitmap; }, failed);
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};
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var promise = new Promise(function(resolve, reject) {
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resolve(Promise.all(TEST_BITMAPS.map(createBitmap)))
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});
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function testPixel(testedPixel) {
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isPixel(ctx, testedPixel.pixel[0], testedPixel.pixel[1], testedPixel.expectedColor, testedPixel.tolerance);
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};
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return promise.then(function() {
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TEST_BITMAPS.forEach(function (testCase) {
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if (!testCase.bitmap) { return; }
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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canvas.width = testCase.bitmap.width;
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canvas.height = testCase.bitmap.height;
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ctx.drawImage(testCase.bitmap, 0, 0);
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testCase.testedPixels.forEach(testPixel);
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});
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});
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}
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function runTests() {
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prepareSources().
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then( function() { return Promise.all([testCropping(gImage),
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testCropping(gVideo),
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testCropping(gCanvas),
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testCropping(gCtx),
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testCropping(gImageData),
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testCropping(gImageBitmap),
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testCropping(gPNGBlob),
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testCropping(gJPEGBlob)]); }).
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then(SimpleTest.finish, function(ev) { failed(ev); SimpleTest.finish(); });
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}
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addLoadEvent(runTests);
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</script>
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</body>
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