2d.imageData.get.rounding.html (1498B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>Canvas test: 2d.imageData.get.rounding</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> 9 <body class="show_output"> 10 11 <h1>2d.imageData.get.rounding</h1> 12 <p class="desc">Test the handling of non-integer source coordinates in getImageData().</p> 13 14 15 <p class="output">Actual output:</p> 16 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 17 18 <ul id="d"></ul> 19 <script> 20 var t = async_test("Test the handling of non-integer source coordinates in getImageData()."); 21 _addTest(function(canvas, ctx) { 22 23 function testDimensions(sx, sy, sw, sh, width, height) 24 { 25 imageData = ctx.getImageData(sx, sy, sw, sh); 26 _assert(imageData.width == width, "imageData.width == width"); 27 _assert(imageData.height == height, "imageData.height == height"); 28 } 29 30 testDimensions(0, 0, 20, 10, 20, 10); 31 32 testDimensions(.1, .2, 20, 10, 20, 10); 33 testDimensions(.9, .8, 20, 10, 20, 10); 34 35 testDimensions(0, 0, 20.9, 10.9, 20, 10); 36 testDimensions(0, 0, 20.1, 10.1, 20, 10); 37 38 testDimensions(-1, -1, 20, 10, 20, 10); 39 40 testDimensions(-1.1, 0, 20, 10, 20, 10); 41 testDimensions(-1.9, 0, 20, 10, 20, 10); 42 43 }); 44 </script>