http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_Tutorial%2FJ2ME%2FClip 2026-04-22T00:16:21Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_Tutorial/J2ME/Clip&diff=4117&oldid=prev 2010-06-01T04:58:20Z

<p>1 версия</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 04:58, 1 июня 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

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<p></p> <p><b>Новая страница</b></p><div>== Clipping region ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> import javax.microedition.lcdui.Alert;<br /> import javax.microedition.lcdui.Canvas;<br /> import javax.microedition.lcdui.rumand;<br /> import javax.microedition.lcdui.rumandListener;<br /> import javax.microedition.lcdui.Display;<br /> import javax.microedition.lcdui.Displayable;<br /> import javax.microedition.lcdui.Graphics;<br /> import javax.microedition.lcdui.Image;<br /> import javax.microedition.midlet.MIDlet;<br /> public class J2MEClippingRegion extends MIDlet {<br /> private Display display;<br /> private MyCanvas canvas;<br /> public J2MEClippingRegion() {<br /> display = Display.getDisplay(this);<br /> canvas = new MyCanvas(this);<br /> }<br /> protected void startApp() {<br /> display.setCurrent(canvas);<br /> }<br /> protected void pauseApp() {<br /> }<br /> protected void destroyApp(boolean unconditional) {<br /> }<br /> public void exitMIDlet() {<br /> destroyApp(true);<br /> notifyDestroyed();<br /> }<br /> class MyCanvas extends Canvas implements CommandListener {<br /> private Command exit;<br /> private J2MEClippingRegion clippingRegion;<br /> private Image image = null;<br /> public MyCanvas(J2MEClippingRegion clippingRegion) {<br /> this.clippingRegion = clippingRegion;<br /> exit = new Command(&quot;Exit&quot;, Command.EXIT, 1);<br /> addCommand(exit);<br /> setCommandListener(this);<br /> try {<br /> image = Image.createImage(70, 70);<br /> Graphics graphics = image.getGraphics();<br /> graphics.setColor(255, 0, 0);<br /> graphics.fillArc(10, 10, 60, 50, 180, 180);<br /> } catch (Exception error) {<br /> Alert alert = new Alert(&quot;Failure&quot;, &quot;Creating Image&quot;, null, null);<br /> alert.setTimeout(Alert.FOREVER);<br /> display.setCurrent(alert);<br /> }<br /> }<br /> protected void paint(Graphics graphics) {<br /> if (image != null) {<br /> graphics.setColor(255, 255, 255);<br /> graphics.fillRect(0, 0, getWidth(), getHeight());<br /> graphics.setClip(35, 35, 40, 40);<br /> graphics.drawImage(image, 30, 30, Graphics.VCENTER | Graphics.HCENTER);<br /> }<br /> }<br /> public void commandAction(Command command, Displayable display) {<br /> if (command == exit) {<br /> clippingRegion.exitMIDlet();<br /> }<br /> }<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>