Draw centered BufferedImage
/*
* @(#)GraphicsUtil.java 1.0 Apr 27, 2008
*
* The MIT License
*
* Copyright (c) 2008 Malachi de AElfweald <malachid@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
//package org.eoti.awt;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.*;
import java.awt.font.*;
import java.awt.image.*;
import java.io.File;
import java.io.IOException;
public class GraphicsUtil
{
protected Graphics g;
protected ImageObserver observer;
public GraphicsUtil(Graphics g, ImageObserver observer)
{
this.g = g;
this.observer = observer;
}
public enum Align
{
North, NorthEast, East, SouthEast, South, SouthWest, West, NorthWest, Center
}
public void drawCentered(BufferedImage img, Point2D location)
{
drawCentered(g, img, location, img.getWidth(), img.getHeight(), observer);
}
public void drawCentered(BufferedImage img, Point2D location, double newWidth, double newHeight)
{
drawCentered(g, img, location, newWidth, newHeight, observer);
}
public static void drawCentered(Graphics g, BufferedImage img, Point2D location)
{
drawCentered(g, img, location, img.getWidth(), img.getHeight(), null);
}
public static void drawCentered(Graphics g, BufferedImage img, Point2D location, ImageObserver observer)
{
drawCentered(g, img, location, img.getWidth(), img.getHeight(), observer);
}
public static void drawCentered(Graphics g, BufferedImage img, Point2D location, double newWidth, double newHeight)
{
drawCentered(g, img, location, newWidth, newHeight, null);
}
public static void drawCentered(Graphics g, BufferedImage img, Point2D location, double newWidth, double newHeight, ImageObserver observer)
{
Graphics2D g2 = (Graphics2D)g;
g2.drawImage(
img, // what to draw
(int)(location.getX() - (newWidth/2)), // dest left
(int)(location.getY() - (newHeight/2)), // dest top
(int)(location.getX() + (newWidth/2)), // dest right
(int)(location.getY() + (newHeight/2)), // dest bottom
0, // src left
0, // src top
img.getWidth(), // src right
img.getHeight(), // src bottom
observer // to notify of image updates
);
}
}
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