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Issue 354333002:
Add path option(path2d) for hit regions on canvas2d. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Canvas Hit Regions: path2d test</title> | |
| 5 <script src="../../resources/js-test.js"></script> | |
| 6 </head> | |
| 7 <body> | |
| 8 <canvas id="canvas" width="400" height="400"> | |
| 9 <button id="face"></button> | |
| 10 <button id="eyes"></button> | |
| 11 </canvas> | |
| 12 <script> | |
| 13 | |
| 14 var canvas = document.getElementById("canvas"); | |
| 15 var context = canvas.getContext("2d"); | |
| 16 | |
| 17 function clickCanvas(x, y) | |
| 18 { | |
| 19 if (!window.eventSender) | |
| 20 return "This test requires eventSender"; | |
| 21 | |
| 22 var result = null; | |
| 23 function listener(event) | |
| 24 { | |
| 25 result = event.region; | |
| 26 } | |
| 27 | |
| 28 var rect = canvas.getBoundingClientRect(); | |
| 29 canvas.addEventListener("click", listener, false); | |
| 30 eventSender.mouseMoveTo(rect.left + x, rect.top + y); | |
| 31 eventSender.mouseDown(); | |
| 32 eventSender.mouseUp(); | |
| 33 canvas.removeEventListener("click", listener, false); | |
| 34 | |
| 35 return result; | |
| 36 } | |
| 37 | |
| 38 var face = new Path2D(); | |
| 39 context.fillStyle = "pink"; | |
|
Rik
2014/06/29 03:22:22
Try to add scaling to the context to make sure tha
zino
2014/06/29 04:07:18
I've already created the test for transform operat
| |
| 40 face.arc(200, 175, 150, 0, Math.PI * 2, true); | |
| 41 context.fill(face); | |
| 42 context.addHitRegion({ id : "face", control : document.getElementById("face"), path : face }); | |
| 43 | |
| 44 var nose = new Path2D(); | |
| 45 context.fillStyle = "black"; | |
| 46 context.globalAlpha = .5; | |
| 47 nose.moveTo(200, 165); | |
| 48 nose.lineTo(240, 205); | |
| 49 nose.lineTo(160, 205); | |
| 50 nose.closePath(); | |
| 51 context.fill(nose); | |
| 52 context.addHitRegion({ id : "nose", path : nose }); | |
| 53 | |
| 54 var mouth = new Path2D(); | |
| 55 context.fillStyle = "red"; | |
| 56 mouth.rect(125, 240, 150, 20); | |
| 57 context.fill(mouth); | |
| 58 context.addHitRegion({ id : "mouth", path : mouth }); | |
| 59 | |
| 60 var eyes = new Path2D(); | |
| 61 context.globalAlpha = 1; | |
| 62 context.fillStyle = "blue"; | |
| 63 eyes.arc(150, 125, 25, 0, Math.PI * 2, true); | |
| 64 eyes.arc(250, 125, 25, 0, Math.PI * 2, true); | |
| 65 context.fill(eyes); | |
| 66 context.addHitRegion({ id: "eye", control : document.getElementById("eyes"), p ath : eyes }); | |
| 67 | |
| 68 debug("Hit detection and mouse event tests"); | |
| 69 shouldBe("clickCanvas(100, 100)", "'face'"); | |
| 70 shouldBe("clickCanvas(200, 200)", "'nose'"); | |
| 71 shouldBe("clickCanvas(127, 242)", "'mouth'"); | |
| 72 shouldBe("clickCanvas(150, 125)", "'eye'"); | |
| 73 shouldBe("clickCanvas(250, 125)", "'eye'"); | |
| 74 shouldBe("clickCanvas(200, 125)", "'face'"); | |
| 75 shouldBe("clickCanvas(20, 10)", "null"); | |
| 76 debug(""); | |
| 77 | |
| 78 </script> | |
| 79 </body> | |
| 80 </html> | |
| OLD | NEW |
