jdk/src/solaris/classes/sun/awt/X11/XIconInfo.java
author yan
Mon, 06 Oct 2008 16:45:00 +0400
changeset 1966 12a51fb0db0d
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
5100701: Toolkit.getLockingKeyState() does not work on XToolkit, but works on Motif Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer. Reviewed-by: anthony
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/*
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 * Copyright 2006-2007 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package sun.awt.X11;
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import java.awt.*;
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import java.awt.color.*;
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import java.awt.image.*;
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import sun.awt.image.ToolkitImage;
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import sun.awt.image.ImageRepresentation;
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import java.util.Arrays;
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class XIconInfo {
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    /**
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     * Representation of image as an int array
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     * It's being used for _NET_WM_ICON hint
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     * with 32-bit X data model
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     */
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    private int[] intIconData;
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    /**
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     * Representation of image as an int array
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     * It's being used for _NET_WM_ICON hint
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     * with 64-bit X data model
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     */
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    private long[] longIconData;
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    /**
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     * Icon image.
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     */
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    private Image image;
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    /**
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     * Width of icon image. Being set in constructor.
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     */
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    private final int width;
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    /**
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     * Height of icon image. Being set in constructor.
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     */
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    private final int height;
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    /**
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     * Width of scaled icon image. Can be set in setScaledDimension.
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     */
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    private int scaledWidth;
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    /**
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     * Height of scaled icon image. Can be set in setScaledDimension.
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     */
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    private int scaledHeight;
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    /**
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     * Length of raw data. Being set in constructor / setScaledDimension.
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     */
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    private int rawLength;
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    XIconInfo(int[] intIconData) {
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        this.intIconData =
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            (null == intIconData) ? null : Arrays.copyOf(intIconData, intIconData.length);
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        this.width = intIconData[0];
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        this.height = intIconData[1];
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        this.scaledWidth = width;
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        this.scaledHeight = height;
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        this.rawLength = width * height + 2;
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    }
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    XIconInfo(long[] longIconData) {
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        this.longIconData =
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        (null == longIconData) ? null : Arrays.copyOf(longIconData, longIconData.length);
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        this.width = (int)longIconData[0];
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        this.height = (int)longIconData[1];
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        this.scaledWidth = width;
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        this.scaledHeight = height;
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        this.rawLength = width * height + 2;
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    }
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    XIconInfo(Image image) {
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        this.image = image;
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        if (image instanceof ToolkitImage) {
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            ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
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            ir.reconstruct(ImageObserver.ALLBITS);
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            this.width = ir.getWidth();
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            this.height = ir.getHeight();
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        } else {
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            this.width = image.getWidth(null);
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            this.height = image.getHeight(null);
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        }
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        this.scaledWidth = width;
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        this.scaledHeight = height;
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        this.rawLength = width * height + 2;
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    }
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    /*
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     * It sets size of scaled icon.
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     */
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    void setScaledSize(int width, int height) {
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        this.scaledWidth = width;
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        this.scaledHeight = height;
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        this.rawLength = width * height + 2;
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    }
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    boolean isValid() {
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        return (width > 0 && height > 0);
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    }
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    int getWidth() {
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        return width;
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    }
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    int getHeight() {
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        return height;
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    }
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    public String toString() {
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        return "XIconInfo[w=" + width + ",h=" + height + ",sw=" + scaledWidth + ",sh=" + scaledHeight + "]";
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    }
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    int getRawLength() {
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        return rawLength;
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    }
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    int[] getIntData() {
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        if (this.intIconData == null) {
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            if (this.longIconData != null) {
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                this.intIconData = longArrayToIntArray(longIconData);
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            } else if (this.image != null) {
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                this.intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
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            }
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        }
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        return this.intIconData;
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    }
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    long[] getLongData() {
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        if (this.longIconData == null) {
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            if (this.intIconData != null) {
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                this.longIconData = intArrayToLongArray(this.intIconData);
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            } else if (this.image != null) {
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                int[] intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
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                this.longIconData = intArrayToLongArray(intIconData);
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            }
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        }
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        return this.longIconData;
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    }
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    Image getImage() {
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        if (this.image == null) {
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            if (this.intIconData != null) {
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                this.image = intArrayToImage(this.intIconData);
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            } else if (this.longIconData != null) {
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                int[] intIconData = longArrayToIntArray(this.longIconData);
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                this.image = intArrayToImage(intIconData);
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            }
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        }
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        return this.image;
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    }
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    private static int[] longArrayToIntArray(long[] longData) {
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        int[] intData = new int[longData.length];
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        for (int i = 0; i < longData.length; i++) {
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            // Such a conversion is valid since the
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            // original data (see
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            // make/sun/xawt/ToBin.java) were ints
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            intData[i] = (int)longData[i];
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        }
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        return intData;
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    }
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    private static long[] intArrayToLongArray(int[] intData) {
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        long[] longData = new long[intData.length];
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        for (int i = 0; i < intData.length; i++) {
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            longData[i] = (int)intData[i];
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        }
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        return longData;
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    }
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    static Image intArrayToImage(int[] raw) {
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        ColorModel cm =
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            new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
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                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
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                                 false, DataBuffer.TYPE_INT);
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        DataBuffer buffer = new DataBufferInt(raw, raw.length-2, 2);
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        WritableRaster raster =
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            Raster.createPackedRaster(buffer, raw[0], raw[1],
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                                      raw[0],
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                                      new int[] {0x00ff0000, 0x0000ff00,
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                                                 0x000000ff, 0xff000000},
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                                      null);
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        BufferedImage im = new BufferedImage(cm, raster, false, null);
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        return im;
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    }
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    /*
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     * Returns array of integers which holds data for the image.
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     * It scales the image if necessary.
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     */
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    static int[] imageToIntArray(Image image, int width, int height) {
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        if (width <= 0 || height <= 0) {
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            return null;
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        }
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        ColorModel cm =
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            new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
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                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
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                                 false, DataBuffer.TYPE_INT);
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        DataBufferInt buffer = new DataBufferInt(width * height);
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        WritableRaster raster =
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            Raster.createPackedRaster(buffer, width, height,
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                                      width,
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                                      new int[] {0x00ff0000, 0x0000ff00,
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                                                 0x000000ff, 0xff000000},
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                                      null);
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        BufferedImage im = new BufferedImage(cm, raster, false, null);
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        Graphics g = im.getGraphics();
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        g.drawImage(image, 0, 0, width, height, null);
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        g.dispose();
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        int[] data = buffer.getData();
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        int[] raw = new int[width * height + 2];
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        raw[0] = width;
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        raw[1] = height;
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        System.arraycopy(data, 0, raw, 2, width * height);
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        return raw;
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    }
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}