/*
* Copyright ( c ) 2006 , 2018 , 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.geom.AffineTransform;
import java.awt.image.*;
import sun.awt.image.ToolkitImage;
import sun.awt.image.ImageRepresentation;
import java.util.Arrays;
import sun.java2d.pipe.Region;
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 = getScaledRawLength(width, height);
}
/*
* It sets size of scaled icon .
*/
public void setScaledSize(int width, int height) {
this .scaledWidth = width;
this .scaledHeight = height;
this .rawLength = getScaledRawLength(width, height);
}
/*
* returns scaled raw length .
*/
private int getScaledRawLength(int w, int h) {
int [] scaledWidthAndHeight = getScaledWidthAndHeight(w, h);
return scaledWidthAndHeight[0 ] * scaledWidthAndHeight[1 ] + 2 ;
}
/*
* returns the scaled width and height .
*/
private static int [] getScaledWidthAndHeight(int width, int height) {
AffineTransform tx = GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration().
getDefaultTransform();
int w = Region.clipScale(width, tx.getScaleX());
int h = Region.clipScale(height, tx.getScaleY());
return new int []{w, h};
}
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] = intData[i];
}
return longData;
}
static Image intArrayToImage(int [] raw) {
ColorModel cm =
new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), 32 ,
0 x00ff0000, 0 x0000ff00, 0 x000000ff, 0 xff000000,
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 [] {0 x00ff0000, 0 x0000ff00,
0 x000000ff, 0 xff000000},
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 ,
0 x00ff0000, 0 x0000ff00, 0 x000000ff, 0 xff000000,
false , DataBuffer.TYPE_INT);
int [] scaledWidthAndHeight = getScaledWidthAndHeight(width, height);
width = scaledWidthAndHeight[0 ];
height = scaledWidthAndHeight[1 ];
DataBufferInt buffer = new DataBufferInt(width * height);
WritableRaster raster =
Raster.createPackedRaster(buffer, width, height,
width,
new int [] {0 x00ff0000, 0 x0000ff00,
0 x000000ff, 0 xff000000},
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;
}
}
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