Mega Code Archive
Calculate Intersection Clip
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/*
* Copyright (C) 2004 NNL Technology AB
* Visit www.infonode.net for information about InfoNode(R)
* products and how to contact NNL Technology AB.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
// $Id: GraphicsUtil.java,v 1.4 2005/12/04 13:46:04 jesper Exp $
import javax.swing.*;
import java.awt.*;
/**
* @author johan
*/
public class GraphicsUtil {
public static void drawOptimizedLine(Graphics g, int x1, int y1, int x2, int y2) {
if (g.getColor().getAlpha() < 255 && (x1 == x2 || y1 == y2))
g.fillRect(x1 < x2 ? x1 : x2, y1 < y2 ? y1 : y2, Math.abs(x2 - x1) + 1, Math.abs(y2 - y1) + 1);
else
g.drawLine(x1, y1, x2, y2);
}
public static Rectangle calculateIntersectionClip(int x, int y, int width, int height, Shape originalClip) {
Rectangle bounds = originalClip.getBounds();
SwingUtilities.computeIntersection(x, y, width, height, bounds);
return bounds;
}
}
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