ojluni/src/main/java/sun/awt/IconInfo.java - platform/libcore.git - Git at Google

 /*
  * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package sun.awt;
 import java.awt.*;
 import java.awt.color.*;
 import java.awt.image.*;
 import sun.awt.image.ToolkitImage;
 import sun.awt.image.ImageRepresentation;
 import java.util.Arrays;

 public class IconInfo {
     /**
      * Representation of image as an int array.
      * It's used on platforms where icon data
      * is expected to be in 32-bit format.
      */
     private int[] intIconData;
     /**
      * Representation of image as an long array.
      * It's used on platforms where icon data
      * is expected to be in 64-bit format.
      */
     private long[] longIconData;
     /**
      * Icon image.
      */
     private Image image;
     /**
      * Width of icon image. Being set in constructor.
      */
     private final int width;
     /**
      * Height of icon image. Being set in constructor.
      */
     private final int height;
     /**
      * Width of scaled icon image. Can be set in setScaledDimension.
      */
     private int scaledWidth;
     /**
      * Height of scaled icon image. Can be set in setScaledDimension.
      */
     private int scaledHeight;
     /**
      * Length of raw data. Being set in constructor / setScaledDimension.
      */
     private int rawLength;

     public IconInfo(int[] intIconData) {
         this.intIconData =
             (null == intIconData) ? null : Arrays.copyOf(intIconData, intIconData.length);
         this.width = intIconData[0];
         this.height = intIconData[1];
         this.scaledWidth = width;
         this.scaledHeight = height;
         this.rawLength = width * height + 2;
     }

     public IconInfo(long[] longIconData) {
         this.longIconData =
         (null == longIconData) ? null : Arrays.copyOf(longIconData, longIconData.length);
         this.width = (int)longIconData[0];
         this.height = (int)longIconData[1];
         this.scaledWidth = width;
         this.scaledHeight = height;
         this.rawLength = width * height + 2;
     }

     public IconInfo(Image image) {
         this.image = image;
         if (image instanceof ToolkitImage) {
             ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
             ir.reconstruct(ImageObserver.ALLBITS);
             this.width = ir.getWidth();
             this.height = ir.getHeight();
         } else {
             this.width = image.getWidth(null);
             this.height = image.getHeight(null);
         }
         this.scaledWidth = width;
         this.scaledHeight = height;
         this.rawLength = width * height + 2;
     }

     /*
      * It sets size of scaled icon.
      */
     public void setScaledSize(int width, int height) {
         this.scaledWidth = width;
         this.scaledHeight = height;
         this.rawLength = width * height + 2;
     }

     public boolean isValid() {
         return (width > 0 && height > 0);
     }

     public int getWidth() {
         return width;
     }

     public int getHeight() {
         return height;
     }

     public String toString() {
         return "IconInfo[w=" + width + ",h=" + height + ",sw=" + scaledWidth + ",sh=" + scaledHeight + "]";
     }

     public int getRawLength() {
         return rawLength;
     }

     public int[] getIntData() {
         if (this.intIconData == null) {
             if (this.longIconData != null) {
                 this.intIconData = longArrayToIntArray(longIconData);
             } else if (this.image != null) {
                 this.intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
             }
         }
         return this.intIconData;
     }

     public long[] getLongData() {
         if (this.longIconData == null) {
             if (this.intIconData != null) {
                 this.longIconData = intArrayToLongArray(this.intIconData);
             } else if (this.image != null) {
                 int[] intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
                 this.longIconData = intArrayToLongArray(intIconData);
             }
         }
         return this.longIconData;
     }

     public Image getImage() {
         if (this.image == null) {
             if (this.intIconData != null) {
                 this.image = intArrayToImage(this.intIconData);
             } else if (this.longIconData != null) {
                 int[] intIconData = longArrayToIntArray(this.longIconData);
                 this.image = intArrayToImage(intIconData);
             }
         }
         return this.image;
     }

     private static int[] longArrayToIntArray(long[] longData) {
         int[] intData = new int[longData.length];
         for (int i = 0; i < longData.length; i++) {
             // Such a conversion is valid since the
             // original data (see
             // make/sun/xawt/ToBin.java) were ints
             intData[i] = (int)longData[i];
         }
         return intData;
     }

     private static long[] intArrayToLongArray(int[] intData) {
         long[] longData = new long[intData.length];
         for (int i = 0; i < intData.length; i++) {
             longData[i] = (int)intData[i];
         }
         return longData;
     }

     static Image intArrayToImage(int[] raw) {
         ColorModel cm =
             new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
                                  0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
                                  false, DataBuffer.TYPE_INT);
         DataBuffer buffer = new DataBufferInt(raw, raw.length-2, 2);
         WritableRaster raster =
             Raster.createPackedRaster(buffer, raw[0], raw[1],
                                       raw[0],
                                       new int[] {0x00ff0000, 0x0000ff00,
                                                  0x000000ff, 0xff000000},
                                       null);
         BufferedImage im = new BufferedImage(cm, raster, false, null);
         return im;
     }

     /*
      * Returns array of integers which holds data for the image.
      * It scales the image if necessary.
      */
     static int[] imageToIntArray(Image image, int width, int height) {
         if (width <= 0 || height <= 0) {
             return null;
         }
         ColorModel cm =
             new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
                                  0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
                                  false, DataBuffer.TYPE_INT);
         DataBufferInt buffer = new DataBufferInt(width * height);
         WritableRaster raster =
             Raster.createPackedRaster(buffer, width, height,
                                       width,
                                       new int[] {0x00ff0000, 0x0000ff00,
                                                  0x000000ff, 0xff000000},
                                       null);
         BufferedImage im = new BufferedImage(cm, raster, false, null);
         Graphics g = im.getGraphics();
         g.drawImage(image, 0, 0, width, height, null);
         g.dispose();
         int[] data = buffer.getData();
         int[] raw = new int[width * height + 2];
         raw[0] = width;
         raw[1] = height;
         System.arraycopy(data, 0, raw, 2, width * height);
         return raw;
     }

 }
	/*
	* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	package sun.awt;
	import java.awt.*;
	import java.awt.color.*;
	import java.awt.image.*;
	import sun.awt.image.ToolkitImage;
	import sun.awt.image.ImageRepresentation;
	import java.util.Arrays;

	public class IconInfo {
	/**
	* Representation of image as an int array.
	* It's used on platforms where icon data
	* is expected to be in 32-bit format.
	*/
	private int[] intIconData;
	/**
	* Representation of image as an long array.
	* It's used on platforms where icon data
	* is expected to be in 64-bit format.
	*/
	private long[] longIconData;
	/**
	* Icon image.
	*/
	private Image image;
	/**
	* Width of icon image. Being set in constructor.
	*/
	private final int width;
	/**
	* Height of icon image. Being set in constructor.
	*/
	private final int height;
	/**
	* Width of scaled icon image. Can be set in setScaledDimension.
	*/
	private int scaledWidth;
	/**
	* Height of scaled icon image. Can be set in setScaledDimension.
	*/
	private int scaledHeight;
	/**
	* Length of raw data. Being set in constructor / setScaledDimension.
	*/
	private int rawLength;

	public IconInfo(int[] intIconData) {
	this.intIconData =
	(null == intIconData) ? null : Arrays.copyOf(intIconData, intIconData.length);
	this.width = intIconData[0];
	this.height = intIconData[1];
	this.scaledWidth = width;
	this.scaledHeight = height;
	this.rawLength = width * height + 2;
	}

	public IconInfo(long[] longIconData) {
	this.longIconData =
	(null == longIconData) ? null : Arrays.copyOf(longIconData, longIconData.length);
	this.width = (int)longIconData[0];
	this.height = (int)longIconData[1];
	this.scaledWidth = width;
	this.scaledHeight = height;
	this.rawLength = width * height + 2;
	}

	public IconInfo(Image image) {
	this.image = image;
	if (image instanceof ToolkitImage) {
	ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
	ir.reconstruct(ImageObserver.ALLBITS);
	this.width = ir.getWidth();
	this.height = ir.getHeight();
	} else {
	this.width = image.getWidth(null);
	this.height = image.getHeight(null);
	}
	this.scaledWidth = width;
	this.scaledHeight = height;
	this.rawLength = width * height + 2;
	}

	/*
	* It sets size of scaled icon.
	*/
	public void setScaledSize(int width, int height) {
	this.scaledWidth = width;
	this.scaledHeight = height;
	this.rawLength = width * height + 2;
	}

	public boolean isValid() {
	return (width > 0 && height > 0);
	}

	public int getWidth() {
	return width;
	}

	public int getHeight() {
	return height;
	}

	public String toString() {
	return "IconInfo[w=" + width + ",h=" + height + ",sw=" + scaledWidth + ",sh=" + scaledHeight + "]";
	}

	public int getRawLength() {
	return rawLength;
	}

	public int[] getIntData() {
	if (this.intIconData == null) {
	if (this.longIconData != null) {
	this.intIconData = longArrayToIntArray(longIconData);
	} else if (this.image != null) {
	this.intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
	}
	}
	return this.intIconData;
	}

	public long[] getLongData() {
	if (this.longIconData == null) {
	if (this.intIconData != null) {
	this.longIconData = intArrayToLongArray(this.intIconData);
	} else if (this.image != null) {
	int[] intIconData = imageToIntArray(this.image, scaledWidth, scaledHeight);
	this.longIconData = intArrayToLongArray(intIconData);
	}
	}
	return this.longIconData;
	}

	public Image getImage() {
	if (this.image == null) {
	if (this.intIconData != null) {
	this.image = intArrayToImage(this.intIconData);
	} else if (this.longIconData != null) {
	int[] intIconData = longArrayToIntArray(this.longIconData);
	this.image = intArrayToImage(intIconData);
	}
	}
	return this.image;
	}

	private static int[] longArrayToIntArray(long[] longData) {
	int[] intData = new int[longData.length];
	for (int i = 0; i < longData.length; i++) {
	// Such a conversion is valid since the
	// original data (see
	// make/sun/xawt/ToBin.java) were ints
	intData[i] = (int)longData[i];
	}
	return intData;
	}

	private static long[] intArrayToLongArray(int[] intData) {
	long[] longData = new long[intData.length];
	for (int i = 0; i < intData.length; i++) {
	longData[i] = (int)intData[i];
	}
	return longData;
	}

	static Image intArrayToImage(int[] raw) {
	ColorModel cm =
	new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
	0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
	false, DataBuffer.TYPE_INT);
	DataBuffer buffer = new DataBufferInt(raw, raw.length-2, 2);
	WritableRaster raster =
	Raster.createPackedRaster(buffer, raw[0], raw[1],
	raw[0],
	new int[] {0x00ff0000, 0x0000ff00,
	0x000000ff, 0xff000000},
	null);
	BufferedImage im = new BufferedImage(cm, raster, false, null);
	return im;
	}

	/*
	* Returns array of integers which holds data for the image.
	* It scales the image if necessary.
	*/
	static int[] imageToIntArray(Image image, int width, int height) {
	if (width <= 0 \|\| height <= 0) {
	return null;
	}
	ColorModel cm =
	new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32,
	0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000,
	false, DataBuffer.TYPE_INT);
	DataBufferInt buffer = new DataBufferInt(width * height);
	WritableRaster raster =
	Raster.createPackedRaster(buffer, width, height,
	width,
	new int[] {0x00ff0000, 0x0000ff00,
	0x000000ff, 0xff000000},
	null);
	BufferedImage im = new BufferedImage(cm, raster, false, null);
	Graphics g = im.getGraphics();
	g.drawImage(image, 0, 0, width, height, null);
	g.dispose();
	int[] data = buffer.getData();
	int[] raw = new int[width * height + 2];
	raw[0] = width;
	raw[1] = height;
	System.arraycopy(data, 0, raw, 2, width * height);
	return raw;
	}

	}