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Viewing changes to substance/src/main/java/org/pushingpixels/substance/api/watermark/SubstanceCrosshatchWatermark.java

  • Committer: Package Import Robot
  • Author(s): Felix Natter
  • Date: 2016-01-18 20:58:45 UTC
  • Revision ID: package-import@ubuntu.com-20160118205845-crbmrkda61qsi5qa
Tags: upstream-7.3+dfsg2
Import upstream version 7.3+dfsg2

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substance/src/main/java/org/pushingpixels/substance/api/watermark/SubstanceCrosshatchWatermark.java
 
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/*
 
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 * Copyright (c) 2005-2010 Substance Kirill Grouchnikov. 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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 *  o Redistributions of source code must retain the above copyright notice, 
 
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 *    this list of conditions and the following disclaimer. 
 
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 *     
 
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 *  o 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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 *  o Neither the name of Substance Kirill Grouchnikov nor the names of 
 
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 *    its contributors may be used to endorse or promote products derived 
 
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 *    from 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, 
 
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 
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 */
 
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package org.pushingpixels.substance.api.watermark;
 
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import java.awt.*;
 
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import java.awt.image.BufferedImage;
 
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import org.pushingpixels.substance.api.SubstanceColorScheme;
 
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import org.pushingpixels.substance.api.SubstanceSkin;
 
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import org.pushingpixels.substance.internal.utils.SubstanceCoreUtilities;
 
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/**
 
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 * Simple implementation of {@link SubstanceWatermark}, drawing cross hatches as
 
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 * watermark. This implementation is inspired by Office 12 background. This
 
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 * class is part of officially supported API.
 
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 * 
 
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 * @author Kirill Grouchnikov
 
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 * @author Chris Hall
 
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 */
 
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public class SubstanceCrosshatchWatermark implements SubstanceWatermark {
 
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        /**
 
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         * Watermark image (screen-sized).
 
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         */
 
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        private static Image watermarkImage = null;
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
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         * @see
 
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         * org.pushingpixels.substance.watermark.SubstanceWatermark#drawWatermarkImage(java
 
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         * .awt.Graphics, int, int, int, int)
 
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         */
 
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        @Override
 
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    public void drawWatermarkImage(Graphics graphics, Component c, int x,
 
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                        int y, int width, int height) {
 
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                if (!c.isShowing())
 
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                        return;
 
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                int dx = c.getLocationOnScreen().x;
 
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                int dy = c.getLocationOnScreen().y;
 
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                graphics.drawImage(SubstanceCrosshatchWatermark.watermarkImage, x, y, x
 
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                                + width, y + height, x + dx, y + dy, x + dx + width, y + dy
 
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                                + height, null);
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
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         * @see
 
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         * org.pushingpixels.substance.watermark.SubstanceWatermark#updateWatermarkImage
 
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         * (org.pushingpixels.substance.skin.SubstanceSkin)
 
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         */
 
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        @Override
 
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    public boolean updateWatermarkImage(SubstanceSkin skin) {
 
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                // fix by Chris for bug 67 - support for multiple screens
 
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                Rectangle virtualBounds = new Rectangle();
 
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                GraphicsEnvironment ge = GraphicsEnvironment
 
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                                .getLocalGraphicsEnvironment();
 
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                GraphicsDevice[] gds = ge.getScreenDevices();
 
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                for (GraphicsDevice gd : gds) {
 
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                        GraphicsConfiguration gc = gd.getDefaultConfiguration();
 
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                        virtualBounds = virtualBounds.union(gc.getBounds());
 
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                }
 
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                int screenWidth = virtualBounds.width;
 
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                int screenHeight = virtualBounds.height;
 
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                SubstanceCrosshatchWatermark.watermarkImage = SubstanceCoreUtilities
 
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                                .getBlankImage(screenWidth, screenHeight);
 
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                Graphics2D graphics = (Graphics2D) SubstanceCrosshatchWatermark.watermarkImage
 
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                                .getGraphics().create();
 
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                boolean status = this.drawWatermarkImage(skin, graphics, 0, 0,
 
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                                screenWidth, screenHeight, false);
 
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                graphics.dispose();
 
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                return status;
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
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         * @see
 
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         * org.pushingpixels.substance.api.watermark.SubstanceWatermark#previewWatermark
 
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         * (java.awt.Graphics, org.pushingpixels.substance.api.SubstanceSkin, int, int, int,
 
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         * int)
 
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         */
 
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        @Override
 
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        public void previewWatermark(Graphics g, SubstanceSkin skin, int x, int y,
 
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                        int width, int height) {
 
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                this
 
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                                .drawWatermarkImage(skin, (Graphics2D) g, x, y, width, height,
 
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                                                true);
 
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        }
 
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        /**
 
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         * Draws the specified portion of the watermark image.
 
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         * 
 
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         * @param skin
 
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         *            Skin to use for painting the watermark.
 
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         * @param graphics
 
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         *            Graphic context.
 
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         * @param x
 
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         *            the <i>x</i> coordinate of the watermark to be drawn.
 
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         * @param y
 
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         *            The <i>y</i> coordinate of the watermark to be drawn.
 
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         * @param width
 
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         *            The width of the watermark to be drawn.
 
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         * @param height
 
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         *            The height of the watermark to be drawn.
 
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         * @param isPreview
 
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         *            Indication whether the result is a preview image.
 
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         * @return Indication whether the draw succeeded.
 
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         */
 
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        private boolean drawWatermarkImage(SubstanceSkin skin, Graphics2D graphics,
 
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                        int x, int y, int width, int height, boolean isPreview) {
 
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                Color stampColorDark = null;
 
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                Color stampColorAll = null;
 
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                Color stampColorLight = null;
 
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                SubstanceColorScheme scheme = skin.getWatermarkColorScheme();
 
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                if (isPreview) {
 
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                        stampColorDark = scheme.isDark() ? Color.white : Color.black;
 
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                        stampColorAll = Color.lightGray;
 
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                        stampColorLight = scheme.isDark() ? Color.black : Color.white;
 
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                } else {
 
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                        stampColorDark = scheme.getWatermarkDarkColor();
 
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                        stampColorAll = scheme.getWatermarkStampColor();
 
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                        stampColorLight = scheme.getWatermarkLightColor();
 
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                }
 
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                graphics.setColor(stampColorAll);
 
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                graphics.fillRect(0, 0, width, height);
 
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                BufferedImage tile = SubstanceCoreUtilities.getBlankImage(4, 4);
 
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                tile.setRGB(0, 0, stampColorDark.getRGB());
 
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                tile.setRGB(2, 2, stampColorDark.getRGB());
 
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                tile.setRGB(0, 1, stampColorLight.getRGB());
 
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                tile.setRGB(2, 3, stampColorLight.getRGB());
 
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                Graphics2D g2d = (Graphics2D) graphics.create();
 
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                g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
 
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                                0.4f));
 
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                for (int row = y; row < (y + height); row += 4) {
 
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                        for (int col = x; col < (x + width); col += 4) {
 
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                                g2d.drawImage(tile, col, row, null);
 
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                        }
 
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                }
 
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                g2d.dispose();
 
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                return true;
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
179
         * @see org.pushingpixels.substance.api.trait.SubstanceTrait#getDisplayName()
 
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         */
 
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        @Override
 
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    public String getDisplayName() {
 
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                return SubstanceCrosshatchWatermark.getName();
 
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        }
 
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        /**
 
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         * Returns the name of all watermarks of <code>this</code> class.
 
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         * 
 
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         * @return The name of all watermarks of <code>this</code> class.
 
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         */
 
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        public static String getName() {
 
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                return "Crosshatch";
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
198
         * @see org.pushingpixels.substance.watermark.SubstanceWatermark#dispose()
 
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         */
 
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        @Override
 
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    public void dispose() {
 
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                watermarkImage = null;
 
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        }
 
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}