| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| var ctx = document.createElement('canvas').getContext('2d'); |
| document.body.appendChild(ctx.canvas); |
| ctx.strokeStyle = '#0ff'; |
| |
| // Create new path. |
| ctx.beginPath(); |
| ctx.rect(20,20,100,100); |
| |
| function testPointInStroke(x, y, isPointInStroke) { |
| if(isPointInStroke) |
| assert_true(ctx.isPointInStroke(x, y)); |
| else |
| assert_false(ctx.isPointInStroke(x, y)); |
| } |
| |
| testScenarios1 = |
| [ |
| ['TestScenario 1, Case 1', 20, 20, true], |
| ['TestScenario 1, Case 2', 120, 20, true], |
| ['TestScenario 1, Case 3', 20, 120, true], |
| ['TestScenario 1, Case 4', 120, 120, true], |
| ['TestScenario 1, Case 5', 70, 20, true], |
| ['TestScenario 1, Case 6', 20, 70, true], |
| ['TestScenario 1, Case 7', 120, 70, true], |
| ['TestScenario 1, Case 8', 70, 120, true], |
| |
| ['TestScenario 1, Case 9', 22, 22, false], |
| ['TestScenario 1, Case 10', 118, 22, false], |
| ['TestScenario 1, Case 11', 22, 118, false], |
| ['TestScenario 1, Case 12', 118, 118, false], |
| ['TestScenario 1, Case 13', 70, 18, false], |
| ['TestScenario 1, Case 14', 122, 70, false], |
| ['TestScenario 1, Case 15', 70, 122, false], |
| ['TestScenario 1, Case 16', 18, 70, false], |
| ]; |
| |
| testScenarios2 = |
| [ |
| ['TestScenario 2, Case 1', 22, 22, true], |
| ['TestScenario 2, Case 2', 118, 22, true], |
| ['TestScenario 2, Case 3', 22, 118, true], |
| ['TestScenario 2, Case 4', 118, 118, true], |
| ['TestScenario 2, Case 5', 70, 18, true], |
| ['TestScenario 2, Case 6', 122, 70, true], |
| ['TestScenario 2, Case 7', 70, 122, true], |
| ['TestScenario 2, Case 8', 18, 70, true], |
| |
| ['TestScenario 2, Case 9', 26, 70, false], |
| ['TestScenario 2, Case 10', 70, 26, false], |
| ['TestScenario 2, Case 11', 70, 114, false], |
| ['TestScenario 2, Case 12', 114, 70, false], |
| ]; |
| |
| generate_tests(testPointInStroke, testScenarios1); |
| ctx.lineWidth = 10; |
| generate_tests(testPointInStroke, testScenarios2); |
| |
| test(function(t) { |
| ctx.beginPath(); |
| ctx.moveTo(10,10); |
| ctx.lineTo(110,20); |
| ctx.lineTo(10,30); |
| ctx.lineJoin = "bevel"; |
| assert_false(ctx.isPointInStroke(113,20)); |
| |
| ctx.miterLimit = 40.0; |
| ctx.lineJoin = "miter"; |
| assert_true(ctx.isPointInStroke(113,20)); |
| |
| ctx.miterLimit = 2.0; |
| assert_false(ctx.isPointInStroke(113,20)); |
| |
| ctx.beginPath(); |
| ctx.moveTo(10,10); |
| ctx.lineTo(110,10); |
| ctx.lineCap = "butt"; |
| assert_false(ctx.isPointInStroke(112,10)); |
| |
| ctx.lineCap = "round"; |
| assert_true(ctx.isPointInStroke(112,10)); |
| assert_false(ctx.isPointInStroke(117,10)); |
| |
| ctx.lineCap = "square"; |
| assert_true(ctx.isPointInStroke(112,10)); |
| assert_false(ctx.isPointInStroke(117,10)); |
| |
| ctx.lineCap = "butt"; |
| ctx.setLineDash([10,10]); |
| assert_true(ctx.isPointInStroke(15,10)); |
| assert_false(ctx.isPointInStroke(25,10)); |
| assert_true(ctx.isPointInStroke(35,10)); |
| |
| ctx.lineDashOffset = 10; |
| assert_false(ctx.isPointInStroke(15,10)); |
| assert_true(ctx.isPointInStroke(25,10)); |
| assert_false(ctx.isPointInStroke(35,10)); |
| |
| ctx.save(); |
| ctx.scale(Number.MAX_VALUE, Number.MAX_VALUE); |
| ctx.beginPath(); |
| ctx.moveTo(-10, -10); |
| ctx.lineTo(10, 10); |
| assert_true(ctx.isPointInStroke(0, 0)); |
| ctx.restore(); |
| |
| ctx.save(); |
| ctx.scale(0, 0); |
| ctx.beginPath(); |
| ctx.moveTo(-10, -10); |
| ctx.lineTo(10, 10); |
| assert_false(ctx.isPointInStroke(0, 0)); |
| ctx.restore(); |
| }, "Test the behavior of isPointInStroke in Canvas"); |
| |
| </script> |
| </body> |
