01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: GraphicsUtil.java,v 1.4 2005/12/04 13:46:04 jesper Exp $
23: package net.infonode.gui;
24:
25: import javax.swing.*;
26: import java.awt.*;
27:
28: /**
29: * @author johan
30: */
31: public class GraphicsUtil {
32: public static void drawOptimizedLine(Graphics g, int x1, int y1,
33: int x2, int y2) {
34: if (g.getColor().getAlpha() < 255 && (x1 == x2 || y1 == y2))
35: g.fillRect(x1 < x2 ? x1 : x2, y1 < y2 ? y1 : y2, Math
36: .abs(x2 - x1) + 1, Math.abs(y2 - y1) + 1);
37: else
38: g.drawLine(x1, y1, x2, y2);
39: }
40:
41: public static Rectangle calculateIntersectionClip(int x, int y,
42: int width, int height, Shape originalClip) {
43: Rectangle bounds = originalClip.getBounds();
44: SwingUtilities.computeIntersection(x, y, width, height, bounds);
45: return bounds;
46: }
47: }
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