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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2015 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
*
* ---------------
* IndexedImage.java
* ---------------
*/
package org.jpedal.parser.image;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import org.jpedal.color.ColorSpaces;
import org.jpedal.color.GenericColorSpace;
import org.jpedal.io.ColorSpaceConvertor;
import static org.jpedal.parser.image.ImageDecoder.allBytesZero;
import org.jpedal.utils.LogWriter;
/**
*
* @author markee
*/
public class IndexedImage {
public static BufferedImage make(int w, int h, final GenericColorSpace decodeColorData, byte[] index, int d, byte[] data) {
BufferedImage image=null;
if(LogWriter.isOutput()) {
LogWriter.writeLog("Indexed " + w + ' ' + h);
}
/**convert index to rgb if CMYK or ICC*/
if(!decodeColorData.isIndexConverted()){
index=decodeColorData.convertIndexToRGB(index);
}
//workout size and check in range
//int size =decodeColorData.getIndexSize()+1;
//pick out daft setting of totally empty iamge and ignore
if(d==8 && decodeColorData.getIndexSize()==0 && decodeColorData.getID()==ColorSpaces.DeviceRGB){
boolean hasPixels=false;
final int indexCount=index.length;
for(int ii=0;ii