File: arc_example.html

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File: arc_example.html
Role: Example script
Content type: text/plain
Description: Example with an arc
Class: Canvas Events
Emulate mouse events on canvas elements
Author: By
Last change:
Date: 13 years ago
Size: 1,378 bytes
 

Contents

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<!-- /************************************************************* * This script is developed by Arturs Sosins aka ar2rsawseen, http://webcodingeasy.com * Feel free to distribute and modify code, but keep reference to its creator * * Canvas Events class extends canvas object to help to attach mouse events * to different shapes with minimal javascript code modifications. * Canvas context methods that perform actual drawing like * stroke, fill, strokeRect, fillRect, drawImage * return a shape object to which you can attach events * * For more information, examples and online documentation visit: * http://webcodingeasy.com/JS-classes/Emulate-events-on-canvas-objects **************************************************************/ --> <html> <head> </head> <body> <p id='debug'></p> <canvas id='canvas' width='800' height='600'></canvas> <script src="./canvas_events.packed.js" type="text/javascript"></script> <script> var ctx = new canvas_events("canvas"); ctx.beginPath(); ctx.arc(100,100,50, (Math.PI/2),Math.PI, true); var rect = ctx.fill(); rect.addEvent("mouseover", function(e,args){ this.recreate(args); this.strokeStyle = "red"; this.closePath(); this.stroke(); }); rect.addEvent("mouseout", function(e,args){ this.clearRect(0,0,800,600); this.recreate(args); this.fill(); }); </script> </body> </html>