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https://github.com/haraldk/TwelveMonkeys.git
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Harald Kuhr
91 lines
3.7 KiB
Java
Executable File
91 lines
3.7 KiB
Java
Executable File
/*
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* Copyright (c) 2008, Harald Kuhr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.twelvemonkeys.image;
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import com.twelvemonkeys.lang.Validate;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.geom.AffineTransform;
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import java.awt.image.BufferedImage;
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/**
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* An {@code Icon} implementation backed by a {@code BufferedImage}.
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*
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* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
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* @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/main/java/com/twelvemonkeys/image/BufferedImageIcon.java#2 $
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*/
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public class BufferedImageIcon implements Icon {
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private final BufferedImage image;
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private final int width;
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private final int height;
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private final boolean fast;
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public BufferedImageIcon(BufferedImage pImage) {
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this(pImage, pImage != null ? pImage.getWidth() : 0, pImage != null ? pImage.getHeight() : 0);
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}
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public BufferedImageIcon(BufferedImage pImage, int pWidth, int pHeight) {
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this(pImage, pWidth, pHeight, pImage.getWidth() == pWidth && pImage.getHeight() == pHeight);
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}
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public BufferedImageIcon(BufferedImage pImage, int pWidth, int pHeight, boolean useFastRendering) {
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image = Validate.notNull(pImage, "image");
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width = Validate.isTrue(pWidth > 0, pWidth, "width must be positive: %d");
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height = Validate.isTrue(pHeight > 0, pHeight, "height must be positive: %d");
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fast = useFastRendering;
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}
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public int getIconHeight() {
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return height;
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}
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public int getIconWidth() {
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return width;
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}
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public void paintIcon(Component c, Graphics g, int x, int y) {
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if (fast || !(g instanceof Graphics2D)) {
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//System.out.println("Scaling fast");
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g.drawImage(image, x, y, width, height, null);
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}
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else {
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//System.out.println("Scaling using interpolation");
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Graphics2D g2 = (Graphics2D) g;
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AffineTransform transform = AffineTransform.getTranslateInstance(x, y);
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transform.scale(width / (double) image.getWidth(), height / (double) image.getHeight());
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g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
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g2.drawImage(image, transform, null);
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}
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}
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}
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