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| 1 <!DOCTYPE html> |
| 2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 <title>OffscreenCanvas test: 2d.imageData.get.source.outside</title> |
| 4 <script src="/resources/testharness.js"></script> |
| 5 <script src="/resources/testharnessreport.js"></script> |
| 6 <script src="/common/canvas-tests.js"></script> |
| 7 |
| 8 <h1>2d.imageData.get.source.outside</h1> |
| 9 <p class="desc">getImageData() returns transparent black outside the canvas</p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test("getImageData() returns transparent black outside the canvas"
); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 ctx.fillStyle = '#08f'; |
| 20 ctx.fillRect(0, 0, 100, 50); |
| 21 var imgdata1 = ctx.getImageData(-10, 5, 1, 1); |
| 22 _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0"); |
| 23 _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0"); |
| 24 _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0"); |
| 25 _assertSame(imgdata1.data[3], 0, "imgdata1.data[\""+(3)+"\"]", "0"); |
| 26 var imgdata2 = ctx.getImageData(10, -5, 1, 1); |
| 27 _assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0"); |
| 28 _assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0"); |
| 29 _assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0"); |
| 30 _assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0"); |
| 31 var imgdata3 = ctx.getImageData(200, 5, 1, 1); |
| 32 _assertSame(imgdata3.data[0], 0, "imgdata3.data[\""+(0)+"\"]", "0"); |
| 33 _assertSame(imgdata3.data[1], 0, "imgdata3.data[\""+(1)+"\"]", "0"); |
| 34 _assertSame(imgdata3.data[2], 0, "imgdata3.data[\""+(2)+"\"]", "0"); |
| 35 _assertSame(imgdata3.data[3], 0, "imgdata3.data[\""+(3)+"\"]", "0"); |
| 36 var imgdata4 = ctx.getImageData(10, 60, 1, 1); |
| 37 _assertSame(imgdata4.data[0], 0, "imgdata4.data[\""+(0)+"\"]", "0"); |
| 38 _assertSame(imgdata4.data[1], 0, "imgdata4.data[\""+(1)+"\"]", "0"); |
| 39 _assertSame(imgdata4.data[2], 0, "imgdata4.data[\""+(2)+"\"]", "0"); |
| 40 _assertSame(imgdata4.data[3], 0, "imgdata4.data[\""+(3)+"\"]", "0"); |
| 41 var imgdata5 = ctx.getImageData(100, 10, 1, 1); |
| 42 _assertSame(imgdata5.data[0], 0, "imgdata5.data[\""+(0)+"\"]", "0"); |
| 43 _assertSame(imgdata5.data[1], 0, "imgdata5.data[\""+(1)+"\"]", "0"); |
| 44 _assertSame(imgdata5.data[2], 0, "imgdata5.data[\""+(2)+"\"]", "0"); |
| 45 _assertSame(imgdata5.data[3], 0, "imgdata5.data[\""+(3)+"\"]", "0"); |
| 46 var imgdata6 = ctx.getImageData(0, 10, 1, 1); |
| 47 _assertSame(imgdata6.data[0], 0, "imgdata6.data[\""+(0)+"\"]", "0"); |
| 48 _assertSame(imgdata6.data[1], 136, "imgdata6.data[\""+(1)+"\"]", "136"); |
| 49 _assertSame(imgdata6.data[2], 255, "imgdata6.data[\""+(2)+"\"]", "255"); |
| 50 _assertSame(imgdata6.data[3], 255, "imgdata6.data[\""+(3)+"\"]", "255"); |
| 51 var imgdata7 = ctx.getImageData(-10, 10, 20, 20); |
| 52 _assertSame(imgdata7.data[ 0*4+0], 0, "imgdata7.data[ 0*4+0]", "0"); |
| 53 _assertSame(imgdata7.data[ 0*4+1], 0, "imgdata7.data[ 0*4+1]", "0"); |
| 54 _assertSame(imgdata7.data[ 0*4+2], 0, "imgdata7.data[ 0*4+2]", "0"); |
| 55 _assertSame(imgdata7.data[ 0*4+3], 0, "imgdata7.data[ 0*4+3]", "0"); |
| 56 _assertSame(imgdata7.data[ 9*4+0], 0, "imgdata7.data[ 9*4+0]", "0"); |
| 57 _assertSame(imgdata7.data[ 9*4+1], 0, "imgdata7.data[ 9*4+1]", "0"); |
| 58 _assertSame(imgdata7.data[ 9*4+2], 0, "imgdata7.data[ 9*4+2]", "0"); |
| 59 _assertSame(imgdata7.data[ 9*4+3], 0, "imgdata7.data[ 9*4+3]", "0"); |
| 60 _assertSame(imgdata7.data[10*4+0], 0, "imgdata7.data[10*4+0]", "0"); |
| 61 _assertSame(imgdata7.data[10*4+1], 136, "imgdata7.data[10*4+1]", "136"); |
| 62 _assertSame(imgdata7.data[10*4+2], 255, "imgdata7.data[10*4+2]", "255"); |
| 63 _assertSame(imgdata7.data[10*4+3], 255, "imgdata7.data[10*4+3]", "255"); |
| 64 _assertSame(imgdata7.data[19*4+0], 0, "imgdata7.data[19*4+0]", "0"); |
| 65 _assertSame(imgdata7.data[19*4+1], 136, "imgdata7.data[19*4+1]", "136"); |
| 66 _assertSame(imgdata7.data[19*4+2], 255, "imgdata7.data[19*4+2]", "255"); |
| 67 _assertSame(imgdata7.data[19*4+3], 255, "imgdata7.data[19*4+3]", "255"); |
| 68 _assertSame(imgdata7.data[20*4+0], 0, "imgdata7.data[20*4+0]", "0"); |
| 69 _assertSame(imgdata7.data[20*4+1], 0, "imgdata7.data[20*4+1]", "0"); |
| 70 _assertSame(imgdata7.data[20*4+2], 0, "imgdata7.data[20*4+2]", "0"); |
| 71 _assertSame(imgdata7.data[20*4+3], 0, "imgdata7.data[20*4+3]", "0"); |
| 72 |
| 73 t.done(); |
| 74 |
| 75 }); |
| 76 </script> |
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