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<html><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Keywords" name="Keywords"content="JavaScript, examples, JavaScript: The Definitive Guide"><title>Example 22-12 from JavaScript: The Definitive Guide, Fifth Edition</title><style>body { font-family: arial, sans-serif}.lefttitle { font: bold x-small arial, sans-serif; margin: 5px; letter-spacing: .15em; text-transform:uppercase;}.leftcaption { font: italic x-small sans-serif; margin-bottom: 20px;}#banner { font-family:sans-serif; color:#333; font-size:x-large; font-weight:normal; padding:15px; padding-top: 3px; border-bottom:4px double #666;}#banner h1 { font-size: x-large; margin: 0px; padding: 0px;}#banner .description { font-size:large; margin-left: 2px;}pre { border: solid black 1px; background-color: #ddd; padding: 10px; margin: 0px;} </style></script></head><body><div id="banner"><h1>davidflanagan.com/javascript5</h1><span class="description">Example 22-12 from<i>JavaScript: The Definitive Guide, Fifth Edition</i></span></div><div style="float: left; 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text-align: right"><a href="index.html" tppabs="http://www.davidflanagan.com/javascript5/index.html">Table of Examples</a></div><pre>import flash.external.ExternalInterface;class Canvas { // The open source mtasc ActionScript compiler automatically invokes // this main() method in the compiled .swf file it produces. If you use // the Flash IDE to create a Canvas.swf file, you'll need to call // Canvas.main() from the first frame of the movie instead. static function main() { var canvas = new Canvas(); } // This constructor contains initialization code for our Flash Canvas function Canvas() { // Specify resize behavior for the canvas Stage.scaleMode = "noScale"; Stage.align = "TL"; // Now simply export the functions of the Flash drawing API ExternalInterface.addCallback("beginFill", _root, _root.beginFill); ExternalInterface.addCallback("beginGradientFill", _root, _root.beginGradientFill); ExternalInterface.addCallback("clear", _root, _root.clear); ExternalInterface.addCallback("curveTo", _root, _root.curveTo); ExternalInterface.addCallback("endFill", _root, _root.endFill); ExternalInterface.addCallback("lineTo", _root, _root.lineTo); ExternalInterface.addCallback("lineStyle", _root, _root.lineStyle); ExternalInterface.addCallback("moveTo", _root, _root.moveTo); // Also export the addText() function below ExternalInterface.addCallback("addText", null, addText); } static function addText(text, x, y, w, h, depth, font, size) { // Create a TextField object to display text at the specified location var tf = _root.createTextField("tf", depth, x, y, w, h); // Tell it what text to display tf.text = text; // Set the font family and point size for the text var format = new TextFormat(); format.font = font; format.size = size; tf.setTextFormat(format); }}</pre><div class="lefttitle" style="padding:0px; text-align: right"><a href="index.html" tppabs="http://www.davidflanagan.com/javascript5/index.html">Table of Examples</a></div><p><script type="text/javascript">amazon_ad_tag="davidflanagancom"; amazon_ad_width="300"; amazon_ad_height="250"; amazon_ad_logo="hide";</script><script type="text/javascript" src="../../www.assoc-amazon.com/s/ads.js" tppabs="http://www.assoc-amazon.com/s/ads.js"></script></div></body></html>?? 快捷鍵說明
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