GraphicsUtil.java Source code

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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 drawString(String text, RectangularShape bounds, Align align) {
        drawString(g, text, bounds, align, 0.0);
    }

    public void drawString(String text, RectangularShape bounds, Align align, double angle) {
        drawString(g, text, bounds, align, angle);
    }

    public static void drawString(Graphics g, String text, RectangularShape bounds, Align align) {
        drawString(g, text, bounds, align, 0.0);
    }

    public static void drawString(Graphics g, String text, RectangularShape bounds, Align align, double angle) {
        Graphics2D g2 = (Graphics2D) g;
        Font font = g2.getFont();
        if (angle != 0)
            g2.setFont(font.deriveFont(AffineTransform.getRotateInstance(Math.toRadians(angle))));

        Rectangle2D sSize = g2.getFontMetrics().getStringBounds(text, g2);
        Point2D pos = getPoint(bounds, align);
        double x = pos.getX();
        double y = pos.getY() + sSize.getHeight();

        switch (align) {
        case North:
        case South:
        case Center:
            x -= (sSize.getWidth() / 2);
            break;
        case NorthEast:
        case East:
        case SouthEast:
            x -= (sSize.getWidth());
            break;
        case SouthWest:
        case West:
        case NorthWest:
            break;
        }

        g2.drawString(text, (float) x, (float) y);
        g2.setFont(font);
    }

    public static Point2D getPoint(RectangularShape bounds, Align align) {
        double x = 0.0;
        double y = 0.0;

        switch (align) {
        case North:
            x = bounds.getCenterX();
            y = bounds.getMinY();
            break;
        case NorthEast:
            x = bounds.getMaxX();
            y = bounds.getMinY();
            break;
        case East:
            x = bounds.getMaxX();
            y = bounds.getCenterY();
            break;
        case SouthEast:
            x = bounds.getMaxX();
            y = bounds.getMaxY();
            break;
        case South:
            x = bounds.getCenterX();
            y = bounds.getMaxY();
            break;
        case SouthWest:
            x = bounds.getMinX();
            y = bounds.getMaxY();
            break;
        case West:
            x = bounds.getMinX();
            y = bounds.getCenterY();
            break;
        case NorthWest:
            x = bounds.getMinX();
            y = bounds.getMinY();
            break;
        case Center:
            x = bounds.getCenterX();
            y = bounds.getCenterY();
            break;
        }

        return new Point2D.Double(x, y);
    }

}