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/*
*
* Copyright (C) 1999, Institute for MicroTherapy
*
* This software and supporting documentation were developed by
*
* University of Witten/Herdecke
* Department of Radiology and MicroTherapy
* Institute for MicroTherapy
* Medical computer science
*
* Universitaetsstrasse 142
* 44799 Bochum, Germany
*
* http://www.microtherapy.de/go/cs
* mailto:computer.science@microtherapy.de
*
* THIS SOFTWARE IS MADE AVAILABLE, AS IS, AND THE INSTITUTE MAKES NO
* WARRANTY REGARDING THE SOFTWARE, ITS PERFORMANCE, ITS MERCHANTABILITY
* OR FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER DISEASES
* OR ITS CONFORMITY TO ANY SPECIFICATION. THE ENTIRE RISK AS TO QUALITY
* AND PERFORMANCE OF THE SOFTWARE IS WITH THE USER.
*
* Author : $Author: kleber $
* Last update : $Date: 2001/06/06 10:32:30 $
* Revision : $Revision: 1.1.1.1 $
* State: $State: Exp $
*/
package main;
import java.awt.image.*;
import java.awt.*;
/**
* This class creates color models for this programm
*
* @author Klaus Kleber
* @since 30.04.99
*/
public class GrayColorIndex extends java.lang.Object
{
/**
* IndexColorModel for image data which contains 1 byte per pixel.
* Every pixel will be interpreted as gray color.
*
* @since 30.04.1999
*/
private static IndexColorModel gray12BitColorModel;
/**
* IndexColorModel for image data which contains 12 bits per pixel.
* Every value will be interpreted as a gray color.
*
* @since 30.04.1999
*/
private static IndexColorModel grayColorModel;
private static IndexColorModel overlayGrayColorModel;
private static IndexColorModel overlayGray12ColorModel;
private static int overlayColorBit = 255;
private static int overlay12ColorBit = 4095;
public static void fillGrayColorModel()
{
int bits = 8;
int size = 256;
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
byte[] a = new byte[size];
for (int i = 0; i < size; i++)
{
r[i] = (byte)i;
g[i] = (byte)i;
b[i]= (byte)i;
a[i]= (byte)0xFF;
}
//Transparent Color
grayColorModel = new IndexColorModel(bits, size, r, g, b);
}
public static void fillGray12BitColorModel()
{
int bits = 16;
int size = 4096; //(12**8)
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
byte[] a = new byte[size];
int x = 0;
int y = 0;
for (int i = 0; i < size; i++)
{
x++;
if ( x ==256)
{
x = 0;
y++;
}
r[i] = (byte)(x & 0xff);
g[i] = (byte)(y &0xff);
b[i]= (byte)0;
a[i]= (byte)0xFF;
}
//Transparent Color
gray12BitColorModel = new IndexColorModel(bits, size, r, g, b);
}
public static void fillIndexColorModel()
{
fillGrayColorModel();
fillGray12BitColorModel();
fillOverlayGrayColorModel(overlayColorBit);
fillOverlay12BitColorModel(overlay12ColorBit);
}
/**
* Returns the IndexColorModel for gray image data.
*
* @return IndexColorModel for image data.
* @since 30.04.1999
*/
public static IndexColorModel getGrayColorModel()
{
return grayColorModel;
}
/**
* Returns a IndexColorModel for overlay data.This ColorModel contains the same Colors as the grayColorModel.
* There are only one difference: One Color is transparent. This Color has an alpha-value of 0x00.
*
*
* @return IndexColorModel for image data.
* @since 30.04.1999
*/
public static void fillOverlayGrayColorModel(int colorBit)
{
overlayColorBit = colorBit;
int bits = 8;
int size = 256;
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
byte[] a = new byte[size];
for (int i = 0; i < size; i++)
{
r[i] = (byte)(i&0xff);
g[i] = (byte)(i&0xff);
b[i]= (byte)(i&0xff);
a[i]= (byte)0x00;
}
a[colorBit] = (byte)0xFF;
//Transparent Color
overlayGrayColorModel = new IndexColorModel(bits, size, r, g, b,a);
}
public static void fillOverlay12BitColorModel(int colorBit)
{
overlay12ColorBit = colorBit;
int bits = 16;
int size = 4096; //(12**8)
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
byte[] a = new byte[size];
int x = 0;
int y = 0;
for (int i = 0; i < size; i++)
{
x++;
if ( x ==256)
{
x = 0;
y++;
}
r[i] = (byte)(x&0xff);
g[i] = (byte)(y&0xff);
b[i]= (byte)0x00;
a[i]= (byte)0x00;
}
//Transparent Color
a[colorBit] = (byte)0xFF;
//Transparent Color
overlayGray12ColorModel = new IndexColorModel(bits, size, r, g, b,a);
}
public static IndexColorModel getOverlayGrayColorModel(int colorBit)
{
if (colorBit != overlayColorBit) fillOverlayGrayColorModel(colorBit);
return overlayGrayColorModel;
}
public static IndexColorModel getOverlayGray12ColorModel(int colorBit)
{
if (colorBit != overlay12ColorBit) fillOverlay12BitColorModel(colorBit);
return overlayGray12ColorModel;
}
public static IndexColorModel getGray12BitColorModel()
{
return gray12BitColorModel;
}
public static Color getColor(int grayIndex)
{
return new Color(grayIndex, grayIndex,grayIndex);
}
public static Color get12Color(int grayIndex)
{
int r = grayIndex%256;
int g = grayIndex/256;
int b = 0;
return new Color (r,g,b);
}
/**
* Conts the values of the specified array.
*
* @param colorArray Specifies the array.
* @return The number of values in the array.
* @since 30.04.1999
*/
public static int[] countValues(byte[] colorArray)
{
int[] returnArray = new int [256];
for (int i = 0; i < colorArray.length; i++)
{
returnArray[colorArray[i]&0xff] = 1;
}
for (int i = 0; i < 256; i++)
{
System.out.println(" das ist der Wert i: " + i + " wert: " + returnArray[i]);
}
return returnArray;
}
/**
* Conts the values of the specified array.
*
* @param colorArray Specifies the array.
* @return The number of values in the array.
* @since 30.04.1999
*/
public static int[] countValues(short[] colorArray)
{
int[] returnArray = new int [256*256];
for (int i = 0; i < colorArray.length; i++)
{
returnArray[colorArray[i]] = 1;
}
for (int i = 0; i < returnArray.length; i++)
{
if (returnArray[i] != 0)System.out.println(" das ist der Wert i: " + i + " wert: " + returnArray[i]);
}
return returnArray;
}
}
/*
* CVS Log
* $Log: GrayColorIndex.java,v $
* Revision 1.1.1.1 2001/06/06 10:32:30 kleber
* Init commit for DICOMscope 3.5
* Create new CVS
*
*/
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