svn-gvsig-desktop / branches / org.gvsig.desktop-2018a / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.impl / src / main / java / org / gvsig / raster / lib / legend / impl / operations / rgbtohsl / RGBToHSLOperation.java @ 43803
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2017 gvSIG Association
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.raster.lib.legend.impl.operations.rgbtohsl; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.raster.lib.buffer.api.Band; |
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import org.gvsig.raster.lib.buffer.api.BufferLocator; |
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import org.gvsig.raster.lib.buffer.api.BufferManager; |
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import org.gvsig.raster.lib.buffer.api.NoData; |
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import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
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import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException; |
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import org.gvsig.raster.lib.buffer.api.operations.OperationFactory; |
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import org.gvsig.raster.lib.buffer.spi.exceptions.ProcessingOperationException; |
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import org.gvsig.raster.lib.buffer.spi.operations.AbstractOperation; |
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import org.gvsig.raster.lib.legend.api.RasterLegendLocator; |
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import org.gvsig.raster.lib.legend.api.RasterLegendManager; |
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import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation; |
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import org.gvsig.raster.lib.legend.impl.ColorManager; |
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import org.gvsig.raster.lib.legend.impl.RasterLegendManagerServices; |
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import org.gvsig.raster.lib.legend.spi.AbstractColoredOperation; |
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import org.gvsig.tools.locator.LocatorException; |
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/**
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* @author fdiaz
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*
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*/
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public class RGBToHSLOperation extends AbstractColoredOperation { |
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/**
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* @param factory
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*
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*/
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public RGBToHSLOperation(OperationFactory factory) {
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this.factory = factory;
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} |
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@Override
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public void preProcess() throws BufferOperationException { |
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super.preProcess();
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BufferManager manager = BufferLocator.getBufferManager(); |
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RasterLegendManager legendManager = RasterLegendLocator.getRasterLegendManager(); |
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try {
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if (!(colorInterpretation.isGray() || colorInterpretation.isRGB())) {
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throw new UnsupportedOperationException( |
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"The color interpretation of input buffer isn't RGB nor GRAYSCALE");
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} |
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int[] inputBandTypes = buffer.getBandTypes(); |
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if (colorInterpretation.isGray()) {
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if (inputBandTypes[colorInterpretation.getBand(ColorInterpretation.GRAY_BAND)] != BufferManager.TYPE_BYTE) {
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throw new UnsupportedOperationException("The type of GRAY band isn't BYTE"); |
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} |
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} else if (colorInterpretation.isRGB()) { |
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if (inputBandTypes[colorInterpretation.getBand(ColorInterpretation.RED_BAND)] != BufferManager.TYPE_BYTE
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|| inputBandTypes[colorInterpretation.getBand(ColorInterpretation.GREEN_BAND)] != BufferManager.TYPE_BYTE |
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|| inputBandTypes[colorInterpretation.getBand(ColorInterpretation.BLUE_BAND)] != BufferManager.TYPE_BYTE) { |
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throw new UnsupportedOperationException("The type of RGB bands isn't BYTE"); |
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} |
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} else {
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throw new UnsupportedOperationException( |
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"The color interpretation of input buffer isn't RGB nor GRAYSCALE");
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} |
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int sourceBands = this.buffer.getBandCount(); |
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NoData[] sourceNoDatas = this.buffer.getBandNoData(); |
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int[] sourceTypes = this.buffer.getBandTypes(); |
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List<String> colorInterpretations = new ArrayList<String>(); |
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List<NoData> noDatas = new ArrayList<NoData>(); |
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List<Integer> types = new ArrayList<Integer>(); |
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colorInterpretations.add(ColorInterpretation.HUE_BAND); |
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colorInterpretations.add(ColorInterpretation.SATURATION_BAND); |
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colorInterpretations.add(ColorInterpretation.LIGHTNESS_BAND); |
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types.add(BufferManager.TYPE_BYTE); |
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types.add(BufferManager.TYPE_BYTE); |
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types.add(BufferManager.TYPE_BYTE); |
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noDatas.add(null);
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noDatas.add(null);
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noDatas.add(null);
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if (colorInterpretation.hasAlphaBand()) {
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int alphaBand = colorInterpretation.getAlphaBand();
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if(sourceTypes[alphaBand]!=BufferManager.TYPE_BYTE){
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throw new UnsupportedOperationException("The type of ALPHA band isn't BYTE"); |
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} |
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colorInterpretations.add(ColorInterpretation.ALPHA_BAND); |
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types.add(sourceTypes[alphaBand]); |
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noDatas.add(sourceNoDatas[alphaBand]); |
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} |
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if (copyUnprocessedBands) {
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for (int band = 0; band < sourceBands; band++) { |
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if (!isProcessableBand(band) && !colorInterpretation.isAlphaInterpretation(band)) {
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colorInterpretations.add(colorInterpretation.get(band)); |
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noDatas.add(sourceNoDatas[band]); |
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types.add(this.buffer.getBandTypes()[band]);
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} |
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} |
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} |
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outputColorInterpretation = |
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legendManager.createColorInterpretation(colorInterpretations.toArray(new String[0])); |
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this.parameters.setDynValue(OUTPUT_COLOR_INTERPRETATION_PARAM, outputColorInterpretation);
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int[] typesInt = new int[types.size()]; |
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for (Iterator<Integer> iterator = types.iterator(); iterator.hasNext();) { |
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int i = 0; |
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Integer type = (Integer) iterator.next(); |
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typesInt[i] = type.intValue(); |
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} |
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this.outputBuffer =
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manager.createBuffer(this.buffer.getRows(), this.buffer.getColumns(), typesInt, |
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noDatas.toArray(new NoData[0]), this.buffer.getProjection(), this.buffer.getEnvelope()); |
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} catch (LocatorException | BufferException | CreateEnvelopeException e) {
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throw new ProcessingOperationException(e); |
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} |
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} |
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@Override
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public void process() throws ProcessingOperationException { |
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super.process();
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try {
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// List<Integer> bandsToProcess = new ArrayList<Integer>();
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if (copyUnprocessedBands) {
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int bands = this.buffer.getBandCount(); |
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int outBand = colorInterpretation.hasAlphaBand() ? 5 : 4; |
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for (int band = 0; band < bands; band++) { |
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if (colorInterpretation.isAlphaInterpretation(band)) {
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outputBuffer.getBand(outputColorInterpretation.getAlphaBand()).copyFrom( |
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this.buffer.getBand(band));
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} else if (!isProcessableBand(band)) { |
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outputBuffer.getBand(outBand).copyFrom(this.buffer.getBand(band));
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outBand++; |
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} |
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} |
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} |
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Object[] rowBandsBuffer = new Object[3]; |
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for (int row = 0; row < this.buffer.getRows(); row++) { |
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if (colorInterpretation.isGray()) {
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Band bufferBandGray = buffer.getBand(colorInterpretation.getBand(ColorInterpretation.GRAY_BAND)); |
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rowBandsBuffer[0] = bufferBandGray.createRowBuffer();
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bufferBandGray.fetchRow(row, rowBandsBuffer[0]);
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rowBandsBuffer[1] = bufferBandGray.createRowBuffer();
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bufferBandGray.fetchRow(row, rowBandsBuffer[1]);
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rowBandsBuffer[2] = bufferBandGray.createRowBuffer();
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bufferBandGray.fetchRow(row, rowBandsBuffer[2]);
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} else {
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Band bufferBandRed = buffer.getBand(colorInterpretation.getBand(ColorInterpretation.RED_BAND)); |
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rowBandsBuffer[0] = bufferBandRed.createRowBuffer();
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bufferBandRed.fetchRow(row, rowBandsBuffer[0]);
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Band bufferBandGreen = buffer.getBand(colorInterpretation.getBand(ColorInterpretation.GREEN_BAND)); |
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rowBandsBuffer[1] = bufferBandGreen.createRowBuffer();
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bufferBandGreen.fetchRow(row, rowBandsBuffer[1]);
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Band bufferBandBlue = buffer.getBand(colorInterpretation.getBand(ColorInterpretation.BLUE_BAND)); |
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rowBandsBuffer[2] = bufferBandBlue.createRowBuffer();
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bufferBandBlue.fetchRow(row, rowBandsBuffer[2]);
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} |
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List<Object> outputRowBuffers = new ArrayList<Object>(); |
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for (int band = 0; band < 3; band++) { |
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Band outputBufferBand = outputBuffer.getBand(band); |
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Object outputRowBuffer = outputBufferBand.createRowBuffer();
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outputRowBuffers.add(outputRowBuffer); |
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} |
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processRow(rowBandsBuffer, outputRowBuffers); |
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for (int band = 0; band < 3; band++) { |
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Band outputBufferBand = outputBuffer.getBand(band); |
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outputBufferBand.putRow(row, outputRowBuffers.get(band)); |
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} |
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} |
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} catch (Exception e) { |
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throw new ProcessingOperationException(e); |
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} |
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} |
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@Override
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public void postProcess() throws BufferOperationException { |
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super.postProcess();
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} |
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private void processRow(Object[] inputRows, List outputRows) { |
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ColorManager colorManager = ((RasterLegendManagerServices)RasterLegendLocator.getRasterLegendManager()).getColorManager(); |
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byte[][] inputByteRows = new byte[inputRows.length][((byte[]) inputRows[0]).length]; |
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for (int i = 0; i < inputRows.length; i++) { |
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inputByteRows[i] = (byte[]) inputRows[i]; |
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} |
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for (int i = 0; i < inputByteRows[0].length; i++) { |
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double[] convertedValues = colorManager.RGBtoHSL(0xFF & inputByteRows[0][i], 0xFF & inputByteRows[1][i], 0xFF & inputByteRows[2][i]); |
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((byte[])(outputRows.get(0)))[i] += new Double((convertedValues[0]*255)/360.0 + 0.5).byteValue(); |
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((byte[])(outputRows.get(1)))[i] += new Double(convertedValues[1]*255+0.5).byteValue(); |
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((byte[])(outputRows.get(2)))[i] += new Double(convertedValues[2]*255+0.5).byteValue(); |
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} |
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} |
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/**
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* @param band
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* @return
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*/
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private boolean isProcessableBand(int band) { |
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return isRGBorGrayBand(band) && this.buffer.getBandTypes()[band] == BufferManager.TYPE_BYTE; |
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} |
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private boolean isRGBorGrayBand(int band) { |
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String bandColorInterpretation = colorInterpretation.get(band);
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return (bandColorInterpretation.equals(ColorInterpretation.RED_BAND)
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|| bandColorInterpretation.equals(ColorInterpretation.GREEN_BAND) |
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|| bandColorInterpretation.equals(ColorInterpretation.BLUE_BAND) || bandColorInterpretation |
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.equals(ColorInterpretation.GRAY_BAND)); |
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} |
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} |