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package org.eclipse.swt.examples.paint;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
import org.eclipse.swt.graphics.*;
public class FigureDrawContext {
/*
* <p>
* The GC must be set up as follows
* (it will be returned to this state upon completion of drawing operations)
* <ul>
* <li>setXORMode(false)
* </ul>
* </p>
*/
public GC gc = null;
public int xOffset = 0, yOffset = 0; // substract to get GC coords
public int xScale = 1, yScale = 1;
public Rectangle toClientRectangle(int x1, int y1, int x2, int y2) {
return new Rectangle(
Math.min(x1, x2) * xScale - xOffset,
Math.min(y1, y2) * yScale - yOffset,
(Math.abs(x2 - x1) + 1) * xScale,
(Math.abs(y2 - y1) + 1) * yScale);
}
public Point toClientPoint(int x, int y) {
return new Point(x * xScale - xOffset, y * yScale - yOffset);
}
}
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