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 / ColorTableFilter.java @ 162
History | View | Annotate | Download (4.6 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
package org.gvsig.raster.impl.grid.filter.band; |
23 |
|
24 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
25 |
import org.gvsig.fmap.dal.coverage.datastruct.Params; |
26 |
import org.gvsig.fmap.dal.coverage.grid.filter.BaseRasterFilter; |
27 |
import org.gvsig.fmap.dal.coverage.store.props.ColorTable; |
28 |
import org.gvsig.raster.impl.DefaultRasterManager; |
29 |
import org.gvsig.raster.impl.buffer.RasterBuffer; |
30 |
import org.gvsig.raster.impl.store.ParamsImpl; |
31 |
import org.gvsig.raster.impl.store.properties.DataStoreColorTable; |
32 |
/**
|
33 |
* <P>
|
34 |
* Clase base para los filtros de tabla de color. Siempre gastar? la banda cero
|
35 |
* del raster para aplicar el filtro ya que la aplicaci?n de tablas suele tener
|
36 |
* sentido solo en raster de una sola banda.
|
37 |
* </P>
|
38 |
* <P>
|
39 |
* La salida siempre es un ARGB.
|
40 |
* </P>
|
41 |
*
|
42 |
* @version 06/06/2007
|
43 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
44 |
*/
|
45 |
public class ColorTableFilter extends BaseRasterFilter { |
46 |
protected Buffer rasterAlpha = null; |
47 |
public static String[] names = new String[] { "colortable" }; |
48 |
protected DataStoreColorTable colorTable = new DataStoreColorTable(); |
49 |
protected boolean hasAlpha = false; |
50 |
|
51 |
/**
|
52 |
* Constructor
|
53 |
*/
|
54 |
public ColorTableFilter() {
|
55 |
super();
|
56 |
setName(names[0]);
|
57 |
} |
58 |
|
59 |
/*
|
60 |
* (non-Javadoc)
|
61 |
* @see org.gvsig.raster.grid.filter.RasterFilter#pre()
|
62 |
*/
|
63 |
public void pre() { |
64 |
exec = true;
|
65 |
raster = (RasterBuffer) params.get("raster");
|
66 |
colorTable = ((DataStoreColorTable) params.get("colorTable"));
|
67 |
hasAlpha = colorTable.hasAlpha(); |
68 |
if (raster != null) { |
69 |
height = raster.getHeight(); |
70 |
width = raster.getWidth(); |
71 |
rasterResult = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), 3, true); |
72 |
if (hasAlpha)
|
73 |
rasterAlpha = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), 1, true); |
74 |
} |
75 |
} |
76 |
|
77 |
/*
|
78 |
* (non-Javadoc)
|
79 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getGroup()
|
80 |
*/
|
81 |
public String getGroup() { |
82 |
return "radiometrico"; |
83 |
} |
84 |
|
85 |
/*
|
86 |
* (non-Javadoc)
|
87 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getNames()
|
88 |
*/
|
89 |
public String[] getNames() { |
90 |
return names;
|
91 |
} |
92 |
|
93 |
/*
|
94 |
* (non-Javadoc)
|
95 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getResult(java.lang.String)
|
96 |
*/
|
97 |
public Object getResult(String name) { |
98 |
if (name.equals("alphaBand")) |
99 |
return rasterAlpha;
|
100 |
|
101 |
if (name.equals("raster")) |
102 |
return (Object) this.rasterResult; |
103 |
return null; |
104 |
} |
105 |
|
106 |
/*
|
107 |
* (non-Javadoc)
|
108 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getUIParams(java.lang.String)
|
109 |
*/
|
110 |
public Params getUIParams(String nameFilter) { |
111 |
Params params = new ParamsImpl();
|
112 |
params.setParam("colorTable",
|
113 |
new DataStoreColorTable(colorTable),
|
114 |
-1,
|
115 |
null);
|
116 |
return params;
|
117 |
} |
118 |
|
119 |
public void post() { |
120 |
} |
121 |
|
122 |
public void process(int x, int y) { |
123 |
} |
124 |
|
125 |
/*
|
126 |
* (non-Javadoc)
|
127 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getOutRasterDataType()
|
128 |
*/
|
129 |
public int getOutRasterDataType() { |
130 |
return Buffer.TYPE_BYTE; |
131 |
} |
132 |
|
133 |
/*
|
134 |
* (non-Javadoc)
|
135 |
* @see org.gvsig.raster.grid.filter.RasterFilter#isVisible()
|
136 |
*/
|
137 |
public boolean isVisible() { |
138 |
return false; |
139 |
} |
140 |
|
141 |
/**
|
142 |
* Obtiene la tabla de color que se usar? para la aplicaci?n del filtro
|
143 |
* @return GridPalette
|
144 |
*/
|
145 |
public ColorTable getColorTable() {
|
146 |
if ((colorTable == null) || (colorTable.getColorItems() == null)) |
147 |
colorTable = ((DataStoreColorTable) params.get("colorTable"));
|
148 |
return colorTable;
|
149 |
} |
150 |
|
151 |
/*
|
152 |
* (non-Javadoc)
|
153 |
* @see org.gvsig.raster.grid.filter.RasterFilter#getInRasterDataType()
|
154 |
*/
|
155 |
public int getInRasterDataType() { |
156 |
return 0; |
157 |
} |
158 |
|
159 |
/**
|
160 |
* Define la tabla de color
|
161 |
* @param colorTable the colorTable to set
|
162 |
*/
|
163 |
public void setColorTable(ColorTable colorTable) { |
164 |
this.colorTable = (DataStoreColorTable)colorTable;
|
165 |
} |
166 |
} |