| 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"; |
| 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 |
|---|
Chromium Code Reviews
Issue 354333002:
Add path option(path2d) for hit regions on canvas2d. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master