root / trunk / libraries / libCq_CMS_praster / src / org / cresques / filter / bands / PaletteShortFilter.java @ 8026
History | View | Annotate | Download (3.15 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*/
|
| 19 |
|
| 20 |
package org.cresques.filter.bands; |
| 21 |
|
| 22 |
import java.awt.image.BufferedImage; |
| 23 |
|
| 24 |
import org.cresques.io.data.RasterBuf; |
| 25 |
|
| 26 |
/**
|
| 27 |
* Filtro de paleta a aplicar sobre una imagen con tipo de dato short. Para cada elemento
|
| 28 |
* del RasterBuf se realiza la conversi?n de dato a trav?s de la clase palette que se pasa
|
| 29 |
* como par?metro al filtro en la inicializaci?n.
|
| 30 |
*
|
| 31 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
| 32 |
*
|
| 33 |
*/
|
| 34 |
public class PaletteShortFilter extends PaletteFilter { |
| 35 |
private short[] px = new short[4]; |
| 36 |
|
| 37 |
|
| 38 |
/**
|
| 39 |
* Constructor
|
| 40 |
*
|
| 41 |
*/
|
| 42 |
public PaletteShortFilter(){
|
| 43 |
super();
|
| 44 |
} |
| 45 |
|
| 46 |
|
| 47 |
public void pre(){ |
| 48 |
this.raster = (RasterBuf) params.get("raster"); |
| 49 |
height = raster.getHeight(); |
| 50 |
width = raster.getWidth(); |
| 51 |
rasterResult = new RasterBuf(raster.getDataType(),width,height,3,true); |
| 52 |
super.pre();
|
| 53 |
} |
| 54 |
|
| 55 |
public void process(int col, int line) { |
| 56 |
raster.getElemShort(line, col, px); |
| 57 |
int rgb;
|
| 58 |
if(interpolate)
|
| 59 |
rgb = palette.getInterpolateRGB2(px[0]);
|
| 60 |
else
|
| 61 |
rgb = palette.getRGB(px[0]);
|
| 62 |
|
| 63 |
short pxOut[] = {(short)((rgb & 0x00ff0000) >> 16), |
| 64 |
(short)((rgb & 0x0000ff00) >> 8), |
| 65 |
(short)((rgb & 0x000000ff))}; |
| 66 |
rasterResult.setElemShort(line, col,pxOut); |
| 67 |
} |
| 68 |
|
| 69 |
/* (non-Javadoc)
|
| 70 |
* @see org.cresques.io.raster.IRasterFilter#processSuperSampling(int, int)
|
| 71 |
*/
|
| 72 |
public void processSuperSampling(int col, int line) { |
| 73 |
raster.getElemShort(line, col, px); |
| 74 |
int rgb;
|
| 75 |
if(interpolate)
|
| 76 |
rgb = palette.getInterpolateRGB2(px[0]);
|
| 77 |
else
|
| 78 |
rgb = palette.getRGB(px[0]);
|
| 79 |
|
| 80 |
short pxOut[] = {(short)((rgb & 0x00ff0000) >> 16), |
| 81 |
(short)((rgb & 0x0000ff00) >> 8), |
| 82 |
(short)((rgb & 0x000000ff))}; |
| 83 |
for(int j = col; j < width && j < (col + stepX[contX + 1]); j++) |
| 84 |
for(int i = line; i < height && i < (line + stepY[contY + 1]); i++) |
| 85 |
rasterResult.setElemShort(i, j,pxOut); |
| 86 |
} |
| 87 |
|
| 88 |
public void processLine(int y) { |
| 89 |
// TODO Auto-generated method stub
|
| 90 |
|
| 91 |
} |
| 92 |
|
| 93 |
public int getInRasterDataType() { |
| 94 |
return RasterBuf.TYPE_SHORT;
|
| 95 |
} |
| 96 |
|
| 97 |
public int getOutRasterDataType() { |
| 98 |
return RasterBuf.TYPE_SHORT;
|
| 99 |
} |
| 100 |
|
| 101 |
public Object getResult(String name) { |
| 102 |
if (name.equals("raster")) { |
| 103 |
if(isExec())
|
| 104 |
return (Object) this.rasterResult; |
| 105 |
else
|
| 106 |
return (Object) this.raster; |
| 107 |
} else {
|
| 108 |
return null; |
| 109 |
} |
| 110 |
} |
| 111 |
|
| 112 |
} |