Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <script src="../../resources/testharness.js"></script> |
| 2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
| 3 <head> | |
| 4 <script src="../../resources/js-test.js"></script> | |
| 5 </head> | |
| 6 <body> | 3 <body> |
| 7 <script src="script-tests/canvas-fillPath-pattern-shadow.js"></script> | 4 <script> |
| 5 test(function(t) { | |
| 6 | |
| 7 function print(message, color) | |
|
Justin Novosad
2017/02/06 20:04:23
indent
zakerinasab
2017/02/09 18:02:00
Done.
| |
| 8 { | |
| 9 var paragraph = document.createElement("div"); | |
| 10 paragraph.appendChild(document.createTextNode(message)); | |
| 11 paragraph.style.fontFamily = "monospace"; | |
| 12 if (color) | |
| 13 paragraph.style.color = color; | |
| 14 document.getElementById("console").appendChild(paragraph); | |
| 15 } | |
| 16 | |
| 17 function shouldBeAround(a, b) | |
|
Justin Novosad
2017/02/06 20:04:23
Remove this. We use assert_approx_equals now.
zakerinasab
2017/02/09 18:02:00
Done.
| |
| 18 { | |
| 19 var evalA; | |
| 20 try { | |
| 21 evalA = eval(a); | |
| 22 } catch(e) { | |
| 23 evalA = e; | |
| 24 } | |
| 25 | |
| 26 if (Math.abs(evalA - b) < 15) | |
| 27 print("PASS " + a + " is around " + b , "green") | |
| 28 else | |
| 29 print("FAIL " + a + " is not around " + b + " (actual: " + evalA + ")", "red"); | |
| 30 } | |
| 31 | |
| 32 var aCanvas = document.createElement('canvas'); | |
| 33 aCanvas.setAttribute('width', '50'); | |
| 34 aCanvas.setAttribute('height', '50'); | |
| 35 | |
| 36 var aCtx = aCanvas.getContext('2d'); | |
| 37 aCtx.fillStyle = 'rgba(0, 0, 255, 0.5)'; | |
| 38 aCtx.fillRect(0, 0, 50, 50); | |
| 39 | |
| 40 var pattern = aCtx.createPattern(aCanvas, 'repeat'); | |
| 41 | |
| 42 var canvas = document.createElement('canvas'); | |
| 43 document.body.appendChild(canvas); | |
| 44 canvas.setAttribute('width', '600'); | |
| 45 canvas.setAttribute('height', '1100'); | |
| 46 var ctx = canvas.getContext('2d'); | |
| 47 | |
| 48 ctx.save(); | |
| 49 ctx.fillStyle = pattern; | |
| 50 ctx.shadowColor = 'rgba(255, 0, 0, 0.5)'; | |
| 51 ctx.shadowOffsetX = 250; | |
| 52 | |
| 53 function fillShape(x, y) { | |
| 54 ctx.beginPath(); | |
| 55 ctx.arc(x, y, 100, 0, Math.PI*2, true); | |
| 56 ctx.arc(x, y, 50, 0, Math.PI*2, false); | |
| 57 ctx.fill(); | |
| 58 } | |
| 59 | |
| 60 // Alpha shadow. | |
| 61 ctx.shadowBlur = 0; | |
| 62 fillShape(150, 150); | |
| 63 | |
| 64 // Blurry shadow. | |
| 65 ctx.shadowBlur = 10; | |
| 66 fillShape(150, 400); | |
| 67 | |
| 68 ctx.rotate(Math.PI/2); | |
| 69 | |
| 70 // Rotated alpha shadow. | |
| 71 ctx.shadowBlur = 0; | |
| 72 fillShape(650, -150); | |
| 73 | |
| 74 // Rotated blurry shadow. | |
| 75 ctx.shadowBlur = 10; | |
| 76 fillShape(900, -150); | |
| 77 | |
| 78 ctx.restore(); | |
| 79 | |
| 80 var imageData, data; | |
| 81 ctx.fillStyle = 'black'; | |
| 82 | |
| 83 function test(x, y, r, g, b, a, alphaApprox) { | |
|
Justin Novosad
2017/02/06 20:04:23
This is confusing because testharness.js also defi
zakerinasab
2017/02/09 18:02:01
Done.
| |
| 84 // Get pixel. | |
| 85 imageData = ctx.getImageData(x, y, 1, 1); | |
| 86 data = imageData.data; | |
| 87 // Test pixel color components. | |
| 88 assert_equals(data[0], r); | |
| 89 assert_equals(data[1], g); | |
| 90 assert_equals(data[2], b); | |
| 91 if (alphaApprox === undefined) | |
| 92 alphaApprox = 15; | |
| 93 assert_approx_equals(data[3], a, alphaApprox); | |
| 94 // Plot test point. | |
| 95 ctx.fillRect(x, y, 3, 3); | |
| 96 } | |
| 97 | |
| 98 // Verifying alpha shadow... | |
| 99 test(400, 150, 0, 0, 0, 0, 0); | |
|
Justin Novosad
2017/02/06 20:04:23
Could use generate_tests()
zakerinasab
2017/02/09 18:02:00
Done.
| |
| 100 test(400, 75, 255, 0, 0, 64); | |
| 101 test(400, 225, 255, 0, 0, 64); | |
| 102 test(325, 150, 255, 0, 0, 64); | |
| 103 test(475, 150, 255, 0, 0, 64); | |
| 104 | |
| 105 // Verifying blurry shadow... | |
| 106 test(400, 400, 0, 0, 0, 0, 0); | |
| 107 test(400, 300, 255, 0, 0, 31); | |
| 108 test(400, 500, 255, 0, 0, 31); | |
| 109 test(300, 400, 255, 0, 0, 31); | |
| 110 test(500, 400, 255, 0, 0, 31); | |
| 111 | |
| 112 // Verifying rotated alpha shadow... | |
| 113 test(400, 650, 0, 0, 0, 0, 0); | |
| 114 test(400, 575, 255, 0, 0, 64); | |
| 115 test(400, 725, 255, 0, 0, 64); | |
| 116 test(325, 650, 255, 0, 0, 64); | |
| 117 test(475, 650, 255, 0, 0, 64); | |
| 118 | |
| 119 // Verifying rotated blurry shadow... | |
| 120 test(400, 900, 0, 0, 0, 0, 0); | |
| 121 test(400, 800, 255, 0, 0, 31); | |
| 122 test(400, 1000, 255, 0, 0, 31); | |
| 123 test(300, 900, 255, 0, 0, 31); | |
| 124 test(500, 900, 255, 0, 0, 31); | |
| 125 | |
| 126 }, "Ensure correct behavior of canvas with fillPath using a pattern fillStyle an d a shadow"); | |
| 127 </script> | |
| 8 </body> | 128 </body> |
| 9 </html> | |
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