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: ComponentPainter.java,v 1.9 2005/02/16 11:28:11 jesper Exp $
23: package net.infonode.gui.componentpainter;
24:
25: import net.infonode.util.Direction;
26:
27: import java.awt.*;
28:
29: /**
30: * <p>
31: * Paints an area of a component.
32: * </p>
33: * <p>
34: * Note: New methods might be added to this interface in the future. To ensure future compatibility inherit from
35: * {@link AbstractComponentPainter} instead of directly implementing this interface.
36: * </p>
37: *
38: * @author $Author: jesper $
39: * @version $Revision: 1.9 $
40: * @since IDW 1.2.0
41: */
42: public interface ComponentPainter {
43: /**
44: * Paints an area of a component. The area should be painted the same way as for direction Direction.RIGHT without
45: * any flipping.
46: *
47: * @param component the component to paint on
48: * @param g the graphics to paint on
49: * @param x the x-coordinate
50: * @param y the y-coordinate
51: * @param width the width
52: * @param height the height
53: */
54: void paint(Component component, Graphics g, int x, int y,
55: int width, int height);
56:
57: /**
58: * Paints an area in a specific direction and optinally flipped horizontally and/or vertically. The flips are performed
59: * before the rotation is applied.
60: *
61: * @param component the component to paint on
62: * @param g the graphics to paint on
63: * @param x the x-coordinate
64: * @param y the y-coordinate
65: * @param width the width
66: * @param height the height
67: * @param direction the direction, Direction.RIGHT is the normal direction
68: * @param horizontalFlip flip the painted graphics horizontally
69: * @param verticalFlip flip the painted graphics vertically
70: */
71: void paint(Component component, Graphics g, int x, int y,
72: int width, int height, Direction direction,
73: boolean horizontalFlip, boolean verticalFlip);
74:
75: /**
76: * Returns true if this painter paints the entire area with an opaque color.
77: *
78: * @param component the component to paint on
79: * @return true if this painter paints the entire area with an opaque color
80: */
81: boolean isOpaque(Component component);
82:
83: /**
84: * Returns an approximate average color of the pixels painted by this painter.
85: *
86: * @param component the component to paint on
87: * @return an approximate average color of the pixels painted by this painter
88: */
89: Color getColor(Component component);
90:
91: }
|