GraphicsUtil.java Source code

Introduction

Here is the source code for GraphicsUtil.java

Source

/*
 * @(#)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
        );
    }
}