author | Dan Labrecque <dan.labrecque@oracle.com> |
Thu, 24 May 2012 04:16:47 -0400 | |
changeset 827 | 0944d8c0158b |
permissions | -rw-r--r-- |
827
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/* |
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* CDDL HEADER START |
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* |
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* The contents of this file are subject to the terms of the |
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* Common Development and Distribution License (the "License"). |
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* You may not use this file except in compliance with the License. |
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* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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* or http://www.opensolaris.org/os/licensing. |
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* See the License for the specific language governing permissions |
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* and limitations under the License. |
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
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* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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*/ |
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|
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/* |
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* Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
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*/ |
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|
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package com.oracle.solaris.vp.util.swing; |
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|
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import java.awt.*; |
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import java.awt.image.BufferedImage; |
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import java.util.*; |
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import javax.swing.Icon; |
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|
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public class ScaledIcon implements Icon { |
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// |
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// Instance data |
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// |
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private Icon icon; |
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private BufferedImage scaledImage; |
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private Component comp; |
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private int height = -1; |
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private int width = -1; |
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private Map<RenderingHints.Key, Object> hints = |
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new HashMap<RenderingHints.Key, Object>(); |
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|
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// |
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// Constructors |
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// |
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public ScaledIcon(Icon icon) { |
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setIcon(icon); |
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|
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hints.put(RenderingHints.KEY_RENDERING, |
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RenderingHints.VALUE_RENDER_QUALITY); |
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} |
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|
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public ScaledIcon(Icon icon, int width, int height) { |
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this(icon); |
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setIconWidth(width); |
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setIconHeight(height); |
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} |
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|
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// |
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// Icon methods |
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// |
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|
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@Override |
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public int getIconHeight() { |
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if (height >= 0) { |
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return height; |
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} |
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Icon icon = getIcon(); |
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return icon == null ? 0 : getIcon().getIconHeight(); |
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} |
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|
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@Override |
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public int getIconWidth() { |
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if (width >= 0) { |
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return width; |
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} |
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Icon icon = getIcon(); |
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return icon == null ? 0 : getIcon().getIconWidth(); |
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} |
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|
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@Override |
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public void paintIcon(Component comp, Graphics g, int x, int y) { |
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setComponent(comp); |
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|
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if (scaledImage == null) { |
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createScaledImage(); |
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} |
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|
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if (scaledImage != null) { |
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g.translate(x, y); |
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g.drawImage(scaledImage, 0, 0, null); |
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g.translate(-x, -y); |
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} |
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} |
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|
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// |
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// ScaledIcon methods |
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// |
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|
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public Map<RenderingHints.Key, Object> getRenderingHints() { |
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return hints; |
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} |
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|
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public Icon getIcon() { |
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return icon; |
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} |
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|
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public void setComponent(Component comp) { |
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if (this.comp != comp) { |
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this.comp = comp; |
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scaledImage = null; |
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} |
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} |
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|
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public void setIconHeight(int height) { |
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if (this.height != height) { |
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this.height = height; |
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scaledImage = null; |
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} |
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} |
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public void setIcon(Icon icon) { |
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if (this.icon != icon) { |
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this.icon = icon; |
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scaledImage = null; |
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} |
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} |
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|
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public void setIconWidth(int width) { |
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if (this.width != width) { |
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this.width = width; |
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scaledImage = null; |
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} |
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} |
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// |
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// Private methods |
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// |
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private void createScaledImage() { |
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Icon icon = getIcon(); |
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if (icon != null) { |
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int width = getIconWidth(); |
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int height = getIconHeight(); |
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int iWidth = icon.getIconWidth(); |
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int iHeight = icon.getIconHeight(); |
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|
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BufferedImage bImage = new BufferedImage( |
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iWidth, iHeight, BufferedImage.TYPE_INT_ARGB); |
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|
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Graphics bG = bImage.getGraphics(); |
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icon.paintIcon(comp, bG, 0, 0); |
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|
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scaledImage = new BufferedImage( |
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width, height, BufferedImage.TYPE_INT_ARGB); |
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|
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Graphics g = scaledImage.getGraphics(); |
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((Graphics2D)g).addRenderingHints(hints); |
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g.drawImage(bImage, 0, 0, width, height, null); |
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} |
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} |
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} |