gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / grid / filter / band / RGBToHSLByteFilter.java @ 2438
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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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*/
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package org.gvsig.raster.impl.grid.filter.band; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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/**
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* Filtro de conversi?n de datos RGB a HSL para tipo de datos byte.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class RGBToHSLByteFilter extends RGBToHSLFilter { |
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public void process(int col, int line) { |
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byte[] value = new byte[4]; |
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value[0] = raster.getElemByte(line, col, redBandNumber);
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value[1] = raster.getElemByte(line, col, greenBandNumber);
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value[2] = raster.getElemByte(line, col, blueBandNumber);
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value[3] = (byte)255; |
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double[] hsl = colorConversion.RGBtoHSL(value[0] & 0xff, value[1] & 0xff, value[2] & 0xff); |
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if(out == Buffer.TYPE_BYTE) { |
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hsl[0] = (int)(255.0 * hsl[0] / 360.0 + 0.5); |
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hsl[2] = (int) (hsl[2] * 255. + 0.5); |
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hsl[1] = (int) (hsl[1] * 255. + 0.5); |
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for (int band = 0; band < 3; band++) |
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value[band] = (byte)(((byte)hsl[band]) & 0xff); |
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rasterResult.setElemByte(line, col, value); |
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} else if(out == Buffer.TYPE_DOUBLE) |
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rasterResult.setElemDouble(line, col, hsl); |
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writeAlphaBand(line, col); |
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} |
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} |