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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2016 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* SeparationColorSpace.java
* ---------------
*/
package org.jpedal.color;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.Raster;
import java.io.ByteArrayInputStream;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import org.jpedal.JDeliHelper;
import org.jpedal.exception.PdfException;
import org.jpedal.io.ColorSpaceConvertor;
import org.jpedal.utils.LogWriter;
/**
* handle Separation ColorSpace and some DeviceN functions
*/
public class SeparationColorSpace extends GenericColorSpace {
protected GenericColorSpace altCS;
protected ColorMapping colorMapper;
float[] domain;
public SeparationColorSpace() {}
public SeparationColorSpace(ColorMapping colorMapper,float[] domain, final GenericColorSpace altCS){
this.colorMapper=colorMapper;
this.domain=domain;
this.altCS=altCS;
componentCount=1;
setType(ColorSpaces.Separation);
}
/**private method to do the calculation*/
private void setColor(final float value){
//adjust size if needed
int elements=1;
if(domain!=null) {
elements=domain.length/2;
}
final float[] values = new float[elements];
for(int j=0;j iterator = ImageIO.getImageReadersByFormatName("JPEG");
while (iterator.hasNext())
{
final ImageReader o = iterator.next();
iir = o;
if (iir.canReadRaster()) {
break;
}
}
ImageIO.setUseCache(false);
iin = ImageIO.createImageInputStream((in));
iir.setInput(iin, true);
Raster ras=iir.readRaster(0, null);
ras=cleanupRaster(ras,pX,pY,1); //note uses 1 not count
final int w = ras.getWidth();
final int h = ras.getHeight();
final DataBufferByte rgb = (DataBufferByte) ras.getDataBuffer();
final byte[] rawData=rgb.getData();
//special case
if(this.altCS.getID()==ColorSpaces.DeviceGray){
for(int aa=0;aa=bytesCount) {
break;
}
if(IndexedColorMap!=null){
index=(rawData[i] & 255)*componentCount;
for(int comp=0;comp>16) & 0xFF);
rgb[j2+1]=(byte) ((foreground>>8) & 0xFF);
rgb[j2+2]=(byte) ((foreground) & 0xFF);
j2 += 3;
}
//create the RGB image
final int[] bands = {0,1,2};
image =new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);
final DataBuffer dataBuf=new DataBufferByte(rgb, rgb.length);
final Raster raster =Raster.createInterleavedRaster(dataBuf,w,h,w*3,3,bands,null);
image.setData(raster);
return image;
}
/**
* convert separation stream to RGB and return as an image
*/
@Override
public BufferedImage dataToRGB(final byte[] data, final int w, final int h) {
BufferedImage image;
try {
//convert data
image=createImage(w, h, data);
} catch (final Exception ee) {
image = null;
LogWriter.writeLog("Couldn't convert Separation colorspace data: " + ee);
}
return image;
}
@Override
public byte[] dataToRGBByteArray(final byte[] rgb, final int w, final int h) {
final int pixelCount=3*w*h;
final byte[] imageData=new byte[pixelCount];
float[] operand;
int inpLen = domain.length / 2;
if (inpLen == 1) {
float last = -1, cur;
int p = 0, pp = 0, tt;
for (int i = 0, ii = w * h; i < ii; i++) {
cur = (rgb[p++] & 0xff) / 255f;
if (last == cur) {
tt = altCS.getColor().getRGB();
} else {
operand = colorMapper.getOperandFloat(new float[]{cur});
altCS.setColor(operand, operand.length);
tt = altCS.getColor().getRGB();
}
imageData[pp++] = (byte) ((tt >> 16) & 0xff);
imageData[pp++] = (byte) ((tt >> 8) & 0xff);
imageData[pp++] = (byte) (tt & 0xff);
last = cur;
}
} else {
float[] inputs = new float[inpLen];
int p = 0, pp = 0, tt;
for (int i = 0, ii = w * h; i < ii; i++) {
for (int j = 0; j < inpLen; j++) {
inputs[j] = (rgb[p++] & 0xff) / 255f;
}
operand = colorMapper.getOperandFloat(inputs);
altCS.setColor(operand, operand.length);
tt = altCS.getColor().getRGB();
imageData[pp++] = (byte) ((tt >> 16) & 0xff);
imageData[pp++] = (byte) ((tt >> 8) & 0xff);
imageData[pp++] = (byte) (tt & 0xff);
}
}
return imageData;
}
// /**
// * keeping this old case incase it is needed
// * convert separation stream to RGB and return as an image
// */
// @Override
// public byte[] dataToRGBByteArray2(final byte[] rgb, final int w, final int h) {
//
// final int pixelCount=3*w*h;
// final byte[] imageData=new byte[pixelCount];
//
// //convert data to RGB format
// int pixelReached=0;
//
// //cache table for speed
// final float[][] lookuptable=new float[3][256];
// for(int i=0;i<256;i++) {
// lookuptable[0][i]=-1;
// }
//
// for (final byte aRgb : rgb) {
//
// final int value = (aRgb & 255);
//
// if (lookuptable[0][value] == -1) {
// setColor(value / 255f);
//
// lookuptable[0][value] = ((Color) this.getColor()).getRed();
// lookuptable[1][value] = ((Color) this.getColor()).getGreen();
// lookuptable[2][value] = ((Color) this.getColor()).getBlue();
//
// }
//
// for (int comp = 0; comp < 3; comp++) {
// imageData[pixelReached] = (byte) lookuptable[comp][value];
// pixelReached++;
// }
// }
//
// return imageData;
// }
/**
* turn raw data into an image
*/
BufferedImage createImage(final int w, final int h, final byte[] rgb) {
final BufferedImage image;
byte[]imageData=dataToRGBByteArray(rgb,w,h);
//create the RGB image
image =new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);
final Raster raster = ColorSpaceConvertor.createInterleavedRaster(imageData, w, h);
image.setData(raster);
return image;
}
/**
* create rgb index for color conversion
*/
@Override
public byte[] convertIndexToRGB(final byte[] data) {
final byte[] newdata = new byte[3 * 256]; //converting to RGB so size known
int inpLen = domain.length / 2;
int palLen = data.length / inpLen;
float[] inputs = new float[inpLen];
float[] operand;
int p = 0, pp = 0, tt;
for (int i = 0, ii = Math.min(256, palLen); i < ii; i++) {
for (int j = 0; j < inpLen; j++) {
inputs[j] = (data[p++] & 0xff) / 255f;
}
operand = colorMapper.getOperandFloat(inputs);
altCS.setColor(operand, operand.length);
tt = altCS.getColor().getRGB();
newdata[pp++] = (byte) ((tt >> 16) & 0xff);
newdata[pp++] = (byte) ((tt >> 8) & 0xff);
newdata[pp++] = (byte) (tt & 0xff);
}
return newdata;
}
/**
* get color
*/
@Override
public PdfPaint getColor() {
return altCS.getColor();
}
}
