| /* |
| * Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @description Series of tests to ensure that strokeText() paints nothing on |
| * canvas when the strokeStyle is set to a zero-size gradient. |
| */ |
| import "dart:html"; |
| import "dart:math" as Math; |
| import "../../testcommon.dart"; |
| import "../../../Utils/async_utils.dart"; |
| |
| main() { |
| var ctx = createContext2d("canvas"); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 1, 1); |
| |
| var g = ctx.createLinearGradient(0, 0, 0, 0); // zero-length line (undefined direction); |
| g.addColorStop(0, '#f00'); |
| g.addColorStop(1, '#f00'); |
| ctx.strokeStyle = g; |
| ctx.font = '1px sans-serif'; |
| ctx.strokeText("AA", 0, 1); |
| |
| var imageData = ctx.getImageData(0, 0, 1, 1); |
| var imgdata = imageData.data; |
| shouldBe(imgdata[0], 0); |
| shouldBe(imgdata[1], 255); |
| shouldBe(imgdata[2], 0); |
| } |