2d.imageData.get.source.outside.html (4453B)
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.source.outside</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.source.outside</h1> 12 <p class="desc">getImageData() returns transparent black outside the canvas</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("getImageData() returns transparent black outside the canvas"); 21 _addTest(function(canvas, ctx) { 22 23 ctx.fillStyle = '#08f'; 24 ctx.fillRect(0, 0, 100, 50); 25 26 var imgdata1 = ctx.getImageData(-10, 5, 1, 1); 27 _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0"); 28 _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0"); 29 _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0"); 30 _assertSame(imgdata1.data[3], 0, "imgdata1.data[\""+(3)+"\"]", "0"); 31 32 var imgdata2 = ctx.getImageData(10, -5, 1, 1); 33 _assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0"); 34 _assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0"); 35 _assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0"); 36 _assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0"); 37 38 var imgdata3 = ctx.getImageData(200, 5, 1, 1); 39 _assertSame(imgdata3.data[0], 0, "imgdata3.data[\""+(0)+"\"]", "0"); 40 _assertSame(imgdata3.data[1], 0, "imgdata3.data[\""+(1)+"\"]", "0"); 41 _assertSame(imgdata3.data[2], 0, "imgdata3.data[\""+(2)+"\"]", "0"); 42 _assertSame(imgdata3.data[3], 0, "imgdata3.data[\""+(3)+"\"]", "0"); 43 44 var imgdata4 = ctx.getImageData(10, 60, 1, 1); 45 _assertSame(imgdata4.data[0], 0, "imgdata4.data[\""+(0)+"\"]", "0"); 46 _assertSame(imgdata4.data[1], 0, "imgdata4.data[\""+(1)+"\"]", "0"); 47 _assertSame(imgdata4.data[2], 0, "imgdata4.data[\""+(2)+"\"]", "0"); 48 _assertSame(imgdata4.data[3], 0, "imgdata4.data[\""+(3)+"\"]", "0"); 49 50 var imgdata5 = ctx.getImageData(100, 10, 1, 1); 51 _assertSame(imgdata5.data[0], 0, "imgdata5.data[\""+(0)+"\"]", "0"); 52 _assertSame(imgdata5.data[1], 0, "imgdata5.data[\""+(1)+"\"]", "0"); 53 _assertSame(imgdata5.data[2], 0, "imgdata5.data[\""+(2)+"\"]", "0"); 54 _assertSame(imgdata5.data[3], 0, "imgdata5.data[\""+(3)+"\"]", "0"); 55 56 var imgdata6 = ctx.getImageData(0, 10, 1, 1); 57 _assertSame(imgdata6.data[0], 0, "imgdata6.data[\""+(0)+"\"]", "0"); 58 _assertSame(imgdata6.data[1], 136, "imgdata6.data[\""+(1)+"\"]", "136"); 59 _assertSame(imgdata6.data[2], 255, "imgdata6.data[\""+(2)+"\"]", "255"); 60 _assertSame(imgdata6.data[3], 255, "imgdata6.data[\""+(3)+"\"]", "255"); 61 62 var imgdata7 = ctx.getImageData(-10, 10, 20, 20); 63 _assertSame(imgdata7.data[ 0*4+0], 0, "imgdata7.data[ 0*4+0]", "0"); 64 _assertSame(imgdata7.data[ 0*4+1], 0, "imgdata7.data[ 0*4+1]", "0"); 65 _assertSame(imgdata7.data[ 0*4+2], 0, "imgdata7.data[ 0*4+2]", "0"); 66 _assertSame(imgdata7.data[ 0*4+3], 0, "imgdata7.data[ 0*4+3]", "0"); 67 _assertSame(imgdata7.data[ 9*4+0], 0, "imgdata7.data[ 9*4+0]", "0"); 68 _assertSame(imgdata7.data[ 9*4+1], 0, "imgdata7.data[ 9*4+1]", "0"); 69 _assertSame(imgdata7.data[ 9*4+2], 0, "imgdata7.data[ 9*4+2]", "0"); 70 _assertSame(imgdata7.data[ 9*4+3], 0, "imgdata7.data[ 9*4+3]", "0"); 71 _assertSame(imgdata7.data[10*4+0], 0, "imgdata7.data[10*4+0]", "0"); 72 _assertSame(imgdata7.data[10*4+1], 136, "imgdata7.data[10*4+1]", "136"); 73 _assertSame(imgdata7.data[10*4+2], 255, "imgdata7.data[10*4+2]", "255"); 74 _assertSame(imgdata7.data[10*4+3], 255, "imgdata7.data[10*4+3]", "255"); 75 _assertSame(imgdata7.data[19*4+0], 0, "imgdata7.data[19*4+0]", "0"); 76 _assertSame(imgdata7.data[19*4+1], 136, "imgdata7.data[19*4+1]", "136"); 77 _assertSame(imgdata7.data[19*4+2], 255, "imgdata7.data[19*4+2]", "255"); 78 _assertSame(imgdata7.data[19*4+3], 255, "imgdata7.data[19*4+3]", "255"); 79 _assertSame(imgdata7.data[20*4+0], 0, "imgdata7.data[20*4+0]", "0"); 80 _assertSame(imgdata7.data[20*4+1], 0, "imgdata7.data[20*4+1]", "0"); 81 _assertSame(imgdata7.data[20*4+2], 0, "imgdata7.data[20*4+2]", "0"); 82 _assertSame(imgdata7.data[20*4+3], 0, "imgdata7.data[20*4+3]", "0"); 83 84 }); 85 </script>