Attachment 226119 Details for Bug 399109 – Snippet demonstrating the incorrect behavior.

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Snippet demonstrating the incorrect behavior.

SwtPatternWrong.java (text/x-java), 1.81 KB, created by Matthias Wienand

on 2013-01-25 11:52:35 EST

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Creator: Matthias Wienand

Created: 2013-01-25 11:52:35 EST

Size: 1.81 KB

patch

obsolete

>package org.eclipse.gef4.graphics.examples;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.PaintEvent;
>import org.eclipse.swt.events.PaintListener;
>import org.eclipse.swt.graphics.GC;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.graphics.Pattern;
>import org.eclipse.swt.graphics.Transform;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>
>public class SwtPatternWrong implements PaintListener {
>	public static void main(String[] args) {
>		new SwtPatternWrong("SWT Pattern Test");
>	}
>
>	private Pattern pattern;
>
>	public SwtPatternWrong(String title) {
>		Display display = new Display();
>
>		final Shell shell = new Shell(display, SWT.SHELL_TRIM
>				| SWT.DOUBLE_BUFFERED);
>		shell.addPaintListener(this);
>		shell.setText(title);
>		shell.pack();
>		shell.setBounds(0, 0, 400, 300);
>		shell.open();
>
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch()) {
>				display.sleep();
>			}
>		}
>
>		if (pattern != null) {
>			pattern.dispose();
>		}
>	}
>
>	public void paintControl(PaintEvent e) {
>		GC g = e.gc;
>		
>		if (pattern == null) {
>			Image image = new Image(e.display, 400, 300);
>			GC ig = new GC(image);
>			ig.setBackground(new org.eclipse.swt.graphics.Color(e.display, 64,
>					64, 64));
>			ig.fillRectangle(0, 0, 400, 300);
>			ig.setLineWidth(4);
>			for (int x = 0; x < 400; x += 25) {
>				ig.setForeground(new org.eclipse.swt.graphics.Color(e.display,
>						64, (int) (255 * x / 400d), 64));
>				ig.drawLine(x, 0, x, 300);
>			}
>			ig.dispose();
>			pattern = new Pattern(e.display, image);
>		}
>
>		g.setBackgroundPattern(pattern);
>		g.fillOval(0, 0, 100, 100);
>
>		Transform transformSwt = new Transform(g.getDevice(), 1, 0, 0, 1, 100,
>				100);
>		g.setTransform(transformSwt);
>
>		// g.setBackgroundPattern(null);
>		// g.setBackgroundPattern(pattern);
>
>		g.fillRectangle(0, 0, 100, 100);
>	}
>}

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Attachments on bug 399109: 226118 | 226119 | 226120 | 226121