| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| var aCanvas = document.createElement('canvas'); |
| aCanvas.setAttribute('width', '50'); |
| aCanvas.setAttribute('height', '50'); |
| |
| var aCtx = aCanvas.getContext('2d'); |
| aCtx.fillStyle = 'rgba(0, 0, 255, 0.5)'; |
| aCtx.fillRect(0, 0, 50, 50); |
| |
| var pattern = aCtx.createPattern(aCanvas, 'repeat'); |
| |
| var canvas = document.createElement('canvas'); |
| document.body.appendChild(canvas); |
| canvas.setAttribute('width', '600'); |
| canvas.setAttribute('height', '1100'); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.save(); |
| ctx.fillStyle = pattern; |
| ctx.shadowColor = 'rgba(255, 0, 0, 0.5)'; |
| ctx.shadowOffsetX = 250; |
| |
| function fillShape(x, y) { |
| ctx.beginPath(); |
| ctx.arc(x, y, 100, 0, Math.PI*2, true); |
| ctx.arc(x, y, 50, 0, Math.PI*2, false); |
| ctx.fill(); |
| } |
| |
| // Alpha shadow. |
| ctx.shadowBlur = 0; |
| fillShape(150, 150); |
| |
| // Blurry shadow. |
| ctx.shadowBlur = 10; |
| fillShape(150, 400); |
| |
| ctx.rotate(Math.PI/2); |
| |
| // Rotated alpha shadow. |
| ctx.shadowBlur = 0; |
| fillShape(650, -150); |
| |
| // Rotated blurry shadow. |
| ctx.shadowBlur = 10; |
| fillShape(900, -150); |
| |
| ctx.restore(); |
| ctx.fillStyle = 'black'; |
| |
| function testPixelShadow(pixel, reference, alphaApprox) { |
| var testPassed = true; |
| for(i = 0; i < 3; i++) |
| if(pixel[i] != reference[i]) { |
| testPassed = false; |
| break; |
| } |
| assert_true(testPassed); |
| assert_approx_equals(pixel[3], reference[3], alphaApprox); |
| } |
| |
| testScenarios = |
| [ |
| ['TestAlphaShadow 1', ctx.getImageData(400, 150, 1, 1).data, [ 0, 0, 0, 0], 0], |
| ['TestAlphaShadow 2', ctx.getImageData(400, 75, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestAlphaShadow 3', ctx.getImageData(400, 225, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestAlphaShadow 4', ctx.getImageData(325, 150, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestAlphaShadow 5', ctx.getImageData(475, 150, 1, 1).data, [ 255, 0, 0, 64], 15], |
| |
| ['TestBlurryShadow 1', ctx.getImageData(400, 400, 1, 1).data, [ 0, 0, 0, 0], 0], |
| ['TestBlurryShadow 2', ctx.getImageData(400, 300, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestBlurryShadow 3', ctx.getImageData(400, 500, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestBlurryShadow 4', ctx.getImageData(300, 400, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestBlurryShadow 5', ctx.getImageData(500, 400, 1, 1).data, [ 255, 0, 0, 31], 15], |
| |
| ['TestRotatedAlphaShadow 1', ctx.getImageData(400, 650, 1, 1).data, [ 0, 0, 0, 0], 0], |
| ['TestRotatedAlphaShadow 2', ctx.getImageData(400, 575, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestRotatedAlphaShadow 3', ctx.getImageData(400, 725, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestRotatedAlphaShadow 4', ctx.getImageData(325, 650, 1, 1).data, [ 255, 0, 0, 64], 15], |
| ['TestRotatedAlphaShadow 5', ctx.getImageData(475, 650, 1, 1).data, [ 255, 0, 0, 64], 15], |
| |
| ['TestRotatedBlurryShadow 1', ctx.getImageData(400, 900, 1, 1).data, [ 0, 0, 0, 0], 0], |
| ['TestRotatedBlurryShadow 2', ctx.getImageData(400, 800, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestRotatedBlurryShadow 3', ctx.getImageData(400, 1000, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestRotatedBlurryShadow 4', ctx.getImageData(300, 900, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ['TestRotatedBlurryShadow 5', ctx.getImageData(500, 900, 1, 1).data, [ 255, 0, 0, 31], 15], |
| ]; |
| |
| generate_tests(testPixelShadow, testScenarios); |
| |
| </script> |
| </body> |
