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 / brightness / BrightnessOperation.java @ 43862
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1 | 43803 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2017 gvSIG Association
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.raster.lib.legend.impl.operations.brightness; |
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24 | |||
25 | |||
26 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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27 | import org.gvsig.raster.lib.buffer.api.Band; |
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28 | import org.gvsig.raster.lib.buffer.api.BufferLocator; |
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29 | import org.gvsig.raster.lib.buffer.api.BufferManager; |
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30 | import org.gvsig.raster.lib.buffer.api.NoData; |
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31 | import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
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32 | import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
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33 | import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException; |
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34 | import org.gvsig.raster.lib.buffer.api.operations.OperationFactory; |
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35 | import org.gvsig.raster.lib.buffer.spi.exceptions.ProcessingOperationException; |
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36 | import org.gvsig.raster.lib.legend.api.RasterLegendLocator; |
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37 | import org.gvsig.raster.lib.legend.api.RasterLegendManager; |
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38 | import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation; |
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39 | import org.gvsig.raster.lib.legend.spi.AbstractColoredOperation; |
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40 | import org.gvsig.tools.locator.LocatorException; |
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41 | |||
42 | /**
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43 | * @author fdiaz
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44 | *
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45 | */
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46 | public class BrightnessOperation extends AbstractColoredOperation { |
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47 | |||
48 | static public String BRIGHTNESS_PARAM = "brightness"; |
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49 | static public String OUTPUT_COLOR_INTERPRETATION_PARAM = "output_color_interpretation"; |
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50 | |||
51 | private int brightness; |
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52 | private RowProcessor rowProcessor;
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53 | |||
54 | /**
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55 | * @param factory
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56 | *
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57 | */
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58 | public BrightnessOperation(OperationFactory factory) {
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59 | 43862 | jjdelcerro | super(factory);
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60 | 43803 | fdiaz | } |
61 | |||
62 | @Override
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63 | public void preProcess() throws BufferOperationException { |
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64 | super.preProcess();
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65 | BufferManager manager = BufferLocator.getBufferManager(); |
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66 | RasterLegendManager legendManager = RasterLegendLocator.getRasterLegendManager(); |
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67 | |||
68 | 43862 | jjdelcerro | brightness = (Integer) this.getParameter(BRIGHTNESS_PARAM,0); |
69 | 43803 | fdiaz | |
70 | 43862 | jjdelcerro | int bands = this.getInputBuffer().getBandCount(); |
71 | 43803 | fdiaz | NoData[] noData;
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72 | 43862 | jjdelcerro | if (mustCopyUnprocessedBands()) {
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73 | this.setParameter(OUTPUT_COLOR_INTERPRETATION_PARAM, getInputColorInterpretation());
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74 | noData = this.getInputBuffer().getBandNoData();
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75 | 43803 | fdiaz | try {
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76 | 43862 | jjdelcerro | this.setOutputBuffer(
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77 | manager.createBuffer( |
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78 | this.getInputBuffer().getRows(),
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79 | this.getInputBuffer().getColumns(),
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80 | this.getInputBuffer().getBandTypes(),
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81 | this.getInputBuffer().getBandNoData(),
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82 | this.getInputBuffer().getProjection(),
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83 | this.getInputBuffer().getEnvelope()));
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84 | } catch (Exception e) { |
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85 | 43803 | fdiaz | throw new ProcessingOperationException(e); |
86 | } |
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87 | } else {
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88 | 43862 | jjdelcerro | String[] colorInterpretations = this.getProcessableBandColorInterpretationsAsArray(); |
89 | setOutputColorInterpretation(legendManager.createColorInterpretation(colorInterpretations)); |
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90 | this.setParameter(OUTPUT_COLOR_INTERPRETATION_PARAM, getOutputColorInterpretation());
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91 | 43803 | fdiaz | try {
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92 | 43862 | jjdelcerro | this.setOutputBuffer(
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93 | manager.createBuffer( |
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94 | this.getInputBuffer().getRows(),
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95 | this.getInputBuffer().getColumns(),
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96 | this.getProcessableBandTypesAsArray(),
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97 | this.getProcessableBandNoDatasAsArray(),
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98 | this.getInputBuffer().getProjection(),
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99 | this.getInputBuffer().getEnvelope()));
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100 | 43803 | fdiaz | } catch (LocatorException | BufferException | CreateEnvelopeException e) {
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101 | throw new ProcessingOperationException(e); |
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102 | } |
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103 | } |
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104 | } |
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105 | |||
106 | @Override
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107 | public void process() throws ProcessingOperationException { |
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108 | super.process();
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109 | 43862 | jjdelcerro | for (int band = 0; band < this.getInputBuffer().getBandCount(); band++) { |
110 | 43803 | fdiaz | rowProcessor = new ByteRowProcessor(band);
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111 | if (isProcessableBand(band)) {
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112 | 43862 | jjdelcerro | Band bufferBand = this.getInputBuffer().getBand(band);
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113 | Band outputBufferBand = this.getOutputBuffer().getBand(band);
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114 | 43803 | fdiaz | |
115 | 43862 | jjdelcerro | for (int row = 0; row < this.getInputBuffer().getRows(); row++) { |
116 | 43803 | fdiaz | Object rowBuffer = bufferBand.createRowBuffer();
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117 | bufferBand.fetchRow(row, rowBuffer); |
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118 | |||
119 | Object outputRowBuffer = outputBufferBand.createRowBuffer();
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120 | |||
121 | rowProcessor.processRow(rowBuffer, outputRowBuffer); |
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122 | |||
123 | outputBufferBand.putRow(row, outputRowBuffer); |
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124 | } |
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125 | 43862 | jjdelcerro | } else if (mustCopyUnprocessedBands()) { |
126 | 43803 | fdiaz | try {
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127 | 43862 | jjdelcerro | this.getOutputBuffer().getBand(band).copyFrom(this.getInputBuffer().getBand(band)); |
128 | 43803 | fdiaz | } catch (BandException e) {
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129 | throw new ProcessingOperationException(e); |
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130 | } |
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131 | 43862 | jjdelcerro | } else if (getInputColorInterpretation().isAlphaInterpretation(band)) { |
132 | 43803 | fdiaz | try {
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133 | 43862 | jjdelcerro | this.getOutputBuffer().getBand(getOutputColorInterpretation().getAlphaBand()).copyFrom(this.getInputBuffer().getBand(band)); |
134 | 43803 | fdiaz | } catch (BandException e) {
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135 | throw new ProcessingOperationException(e); |
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136 | } |
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137 | } |
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138 | } |
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139 | } |
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140 | |||
141 | /**
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142 | * @param band
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143 | * @return
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144 | */
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145 | 43862 | jjdelcerro | @Override
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146 | protected boolean isProcessableBand(int band) { |
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147 | return isRGBorGrayBand(band) && this.getInputBuffer().getBandTypes()[band] == BufferManager.TYPE_BYTE; |
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148 | 43803 | fdiaz | } |
149 | |||
150 | private boolean isRGBorGrayBand(int band) { |
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151 | 43862 | jjdelcerro | String bandColorInterpretation = getInputColorInterpretation().get(band);
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152 | 43803 | fdiaz | return (bandColorInterpretation.equals(ColorInterpretation.RED_BAND) ||
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153 | bandColorInterpretation.equals(ColorInterpretation.GREEN_BAND) || |
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154 | bandColorInterpretation.equals(ColorInterpretation.BLUE_BAND) || |
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155 | bandColorInterpretation.equals(ColorInterpretation.GRAY_BAND)); |
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156 | } |
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157 | |||
158 | @Override
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159 | public void postProcess() throws BufferOperationException { |
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160 | super.postProcess();
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161 | } |
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162 | |||
163 | interface RowProcessor { |
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164 | |||
165 | void processRow(Object inputRow, Object outputRow); |
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166 | |||
167 | byte processValue(Object value); |
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168 | }; |
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169 | |||
170 | private abstract class AbstractRowProcessor implements RowProcessor { |
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171 | |||
172 | // int band;
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173 | int maxResult = 255; |
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174 | int minResult = 0; |
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175 | NoData noData; |
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176 | |||
177 | public AbstractRowProcessor(int band) { |
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178 | // this.band = band;
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179 | 43862 | jjdelcerro | noData = getInputBuffer().getBand(band).getNoData(); |
180 | 43803 | fdiaz | if (noData.isDefined()) {
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181 | minResult = (byte) 1; |
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182 | } |
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183 | } |
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184 | } |
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185 | |||
186 | private class ByteRowProcessor extends AbstractRowProcessor { |
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187 | |||
188 | public ByteRowProcessor(int band) { |
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189 | super(band);
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190 | } |
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191 | |||
192 | @Override
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193 | public void processRow(Object inputRow, Object outputRow) { |
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194 | byte[] inputByteRow = (byte[]) inputRow; |
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195 | byte[] outputByteRow = (byte[]) outputRow; |
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196 | for (int i = 0; i < inputByteRow.length; i++) { |
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197 | outputByteRow[i] = processValue(inputByteRow[i]); |
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198 | } |
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199 | } |
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200 | |||
201 | @Override
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202 | public byte processValue(Object value) { |
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203 | if (noData.isDefined() && noData.getValue().equals(value)) {
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204 | return (byte) value; |
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205 | } |
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206 | |||
207 | 43862 | jjdelcerro | int iValue = 0xFF & ((Byte) value); |
208 | 43803 | fdiaz | int result = iValue + brightness;
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209 | if (result > maxResult) {
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210 | result = maxResult; |
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211 | } |
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212 | if (result < minResult) {
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213 | result = minResult; |
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214 | } |
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215 | return (byte) result; |
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216 | } |
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217 | } |
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218 | } |