http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_by_API%2Forg.eclipse.swt.graphics%2FRegion 2026-04-22T23:24:15Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.graphics/Region&diff=857&oldid=prev 2010-05-31T17:43:48Z

<p></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 17:43, 31 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.graphics/Region&diff=858&oldid=prev 2010-05-31T14:22:17Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== Region: add(int[] shape) ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> import org.eclipse.swt.SWT;<br /> import org.eclipse.swt.graphics.Region;<br /> import org.eclipse.swt.widgets.Display;<br /> import org.eclipse.swt.widgets.Shell;<br /> public class MainClass {<br /> public static void main(String[] a) {<br /> Display display = new Display();<br /> final Shell shell = new Shell(display);<br /> Region region = new Region();<br /> region.add(createCircle(50, 50, 50));<br /> region.subtract(createCircle(50, 50, 20));<br /> shell.setRegion(region);<br /> shell.setSize(region.getBounds().width, region.getBounds().height);<br /> shell.setBackground(display.getSystemColor(SWT.COLOR_BLUE));<br /> <br /> shell.open();<br /> while (!shell.isDisposed()) {<br /> if (!display.readAndDispatch()) {<br /> display.sleep();<br /> }<br /> }<br /> display.dispose();<br /> }<br /> static int[] createCircle(int xOffset, int yOffset, int radius) {<br /> int[] circlePoints = new int[10 * radius];<br /> for (int loopIndex = 0; loopIndex &lt; 2 * radius + 1; loopIndex++) {<br /> int xCurrent = loopIndex - radius;<br /> int yCurrent = (int) Math.sqrt(radius * radius - xCurrent * xCurrent);<br /> int doubleLoopIndex = 2 * loopIndex;<br /> <br /> circlePoints[doubleLoopIndex] = xCurrent + xOffset;<br /> circlePoints[doubleLoopIndex + 1] = yCurrent + yOffset;<br /> circlePoints[10 * radius - doubleLoopIndex - 2] = xCurrent + xOffset;<br /> circlePoints[10 * radius - doubleLoopIndex - 1] = -yCurrent + yOffset;<br /> }<br /> <br /> return circlePoints;<br /> } <br /> }<br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

Admin