svn-gvsig-desktop / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / bands / HSLToRGBFilter.java @ 27361
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.grid.filter.bands; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.Params; |
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import org.gvsig.raster.grid.filter.RasterFilter; |
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import org.gvsig.raster.util.ColorConversion; |
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/**
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* <P>
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* Clase base para los filtros de conversi?n de HSL a RGB. La entrada ser?
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* siempre un raster de 3 bandas que ser?n tomadas como HSL.
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* </P>
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*
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* @version 06/06/2007
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class HSLToRGBFilter extends RasterFilter { |
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protected IBuffer rasterAlpha = null; |
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public static String[] names = new String[] { "hsltorgb" }; |
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protected ColorConversion colorConversion = null; |
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protected int[] renderBands = null; |
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/**
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* Constructor
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*/
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public HSLToRGBFilter() {
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super();
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setName(names[0]);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#pre()
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*/
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public void pre() { |
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exec = true;
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raster = (RasterBuffer) params.get("raster");
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int[] rb = (int[]) params.get("renderBands"); |
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switch (raster.getBandCount()) {
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case 1:renderBands = new int[]{0, 0, 0}; break; |
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case 2:renderBands = rb; break; |
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case 3:renderBands = new int[]{0, 1, 2}; break; |
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} |
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//Mantenemos los valores de -1 ya que esas bandas no se procesan
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for(int i = 0; i < renderBands.length; i++) |
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if(rb[i] == -1) |
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renderBands[i] = -1;
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if(raster != null) { |
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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if(raster.getBandCount() >= 3) |
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rasterResult = RasterBuffer.getBuffer(IBuffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), raster.getBandCount(), true);
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else
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rasterResult = RasterBuffer.getBuffer(IBuffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), 3, true); |
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} |
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if(colorConversion == null) |
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colorConversion = new ColorConversion();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getGroup()
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*/
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public String getGroup() { |
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return "colores"; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getNames()
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*/
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public String[] getNames() { |
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return names;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getResult(java.lang.String)
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*/
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public Object getResult(String name) { |
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if (name.equals("raster")) |
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return (Object) this.rasterResult; |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getUIParams(java.lang.String)
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*/
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public Params getUIParams(String nameFilter) { |
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Params params = new Params();
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return params;
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} |
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public void post() { |
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} |
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public void process(int x, int y) throws InterruptedException { |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getOutRasterDataType()
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*/
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public int getOutRasterDataType() { |
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return IBuffer.TYPE_BYTE;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#isVisible()
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*/
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public boolean isVisible() { |
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//IRasterDataSource datasource = (IRasterDataSource)getEnv().get("MultiRasterDataset");
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//return (datasource != null && datasource.getBandCount() >= 3);
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return true; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getInRasterDataType()
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*/
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public int getInRasterDataType() { |
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return IBuffer.TYPE_BYTE;
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} |
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} |