| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(function(t) { |
| |
| var canvas = document.createElement('canvas'); |
| document.body.appendChild(canvas); |
| canvas.setAttribute('width', '100'); |
| canvas.setAttribute('height', '100'); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.save(); |
| ctx.scale(0.5, 0.5); |
| ctx.resetTransform(); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0, 0, 100, 100); |
| ctx.restore(); |
| |
| var imageData = ctx.getImageData(98, 98, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [0, 128, 0]); |
| |
| ctx.save(); |
| ctx.scale(0.5, 0.5); |
| ctx.save(); |
| ctx.resetTransform(); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0, 0, 100, 100); |
| ctx.restore(); |
| ctx.fillStyle = 'red'; |
| ctx.fillRect(0, 0, 100, 100); |
| ctx.restore(); |
| |
| imageData = ctx.getImageData(98, 98, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [0, 128, 0]); |
| |
| imageData = ctx.getImageData(48, 48, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [255, 0, 0]); |
| |
| /* This should draw a green rectangle on on top of a red one. The red should not be visible. */ |
| ctx.save(); |
| ctx.beginPath(); |
| ctx.moveTo(0, 0); |
| ctx.lineTo(100, 0); |
| ctx.lineTo(100, 100); |
| ctx.lineTo(0, 100); |
| ctx.fillStyle = 'red'; |
| ctx.fill(); |
| ctx.translate(200, 0); |
| ctx.resetTransform(); |
| ctx.fillStyle = 'green'; |
| ctx.fill(); |
| ctx.restore(); |
| |
| imageData = ctx.getImageData(50, 50, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [0, 128, 0]); |
| |
| ctx.save(); |
| ctx.fillStyle = 'red'; |
| ctx.fillRect(0, 0, 100, 100); |
| ctx.beginPath(); |
| ctx.moveTo(0, 0); |
| ctx.lineTo(100, 0); |
| ctx.lineTo(100, 100); |
| ctx.lineTo(0, 100); |
| ctx.scale(0, 0); |
| ctx.resetTransform(); |
| ctx.fillStyle = 'green'; |
| ctx.fill(); |
| ctx.restore(); |
| |
| imageData = ctx.getImageData(98, 98, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [0, 128, 0]); |
| |
| ctx.save(); |
| ctx.fillStyle = 'red'; |
| ctx.fillRect(0, 0, 100, 100); |
| ctx.beginPath(); |
| ctx.moveTo(0, 0); |
| ctx.lineTo(100, 0); |
| ctx.lineTo(100, 50); |
| ctx.scale(0, 0); |
| ctx.lineTo(100, 100); |
| ctx.resetTransform(); |
| ctx.lineTo(0, 100); |
| ctx.fillStyle = 'green'; |
| ctx.fill(); |
| ctx.restore(); |
| |
| imageData = ctx.getImageData(98, 98, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [255, 0, 0]); |
| |
| imageData = ctx.getImageData(98, 48, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), [0, 128, 0]); |
| }, "This test checks resetTransform in canvas v5"); |
| </script> |
| </body> |
