svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / raster / RasterFilterStackManager.java @ 1812
History | View | Annotate | Download (6.77 KB)
| 1 |
/*
|
|---|---|
| 2 |
* Created on 12-abr-2005
|
| 3 |
*/
|
| 4 |
package org.cresques.io.raster; |
| 5 |
|
| 6 |
/**
|
| 7 |
*
|
| 8 |
* @author Nacho Brodin <brodin_ign@gva.es>
|
| 9 |
*
|
| 10 |
* Esta clase es de la parte cliente y es la encargada de la gesti?n
|
| 11 |
* de la pila de filtros. Es la que conoce el orden en que se deben apilar
|
| 12 |
* estos para que la ejecuci?n sea correcta. Un cliente que desee aplicar un
|
| 13 |
* filtro deber? introducirlo en la pil usando para ello esta clase.
|
| 14 |
*/
|
| 15 |
public class RasterFilterStackManager{ |
| 16 |
|
| 17 |
private RasterFilterStack filterStack = null; |
| 18 |
|
| 19 |
public final static int transparency = 0; |
| 20 |
public final static int enhanced = 1; |
| 21 |
public final static int computeminmax = 2; |
| 22 |
public final static int tail = 3; |
| 23 |
|
| 24 |
public int[] order = { RasterFilterStackManager.computeminmax, |
| 25 |
RasterFilterStackManager.tail, |
| 26 |
RasterFilterStackManager.enhanced, |
| 27 |
RasterFilterStackManager.transparency |
| 28 |
}; |
| 29 |
|
| 30 |
public RasterFilterStackManager(RasterFilterStack filterStack){
|
| 31 |
this.filterStack = filterStack;
|
| 32 |
this.filterStack.setOrder(order);
|
| 33 |
} |
| 34 |
|
| 35 |
/**
|
| 36 |
* A?ade un filtro de transparencia
|
| 37 |
* @param red Intervalos de la banda del rojo a poner transparentes
|
| 38 |
* @param green Intervalos de la banda del verde a poner transparentes
|
| 39 |
* @param blue Intervalos de la banda del azul a poner transparentes
|
| 40 |
* @param alpha Transparencia
|
| 41 |
* @param transparencyRed Color en la banda del rojo de la transparencia
|
| 42 |
* @param transparencyGreen Color en la banda del verde de la transparencia
|
| 43 |
* @param transparencyBlue Color en la banda del azul de la transparencia
|
| 44 |
*/
|
| 45 |
public void addTransparencyFilter( int[][] red, |
| 46 |
int[][] green, |
| 47 |
int[][] blue, |
| 48 |
int alpha,
|
| 49 |
int transparencyRed,
|
| 50 |
int transparencyGreen,
|
| 51 |
int transparencyBlue){
|
| 52 |
RasterFilter filtro = null;
|
| 53 |
switch(filterStack.getDataTypeInFilter(RasterFilterStackManager.transparency)){
|
| 54 |
case RasterBuf.TYPE_IMAGE:filtro = new TransparencyImageFilter();break; |
| 55 |
case RasterBuf.TYPE_SHORT:
|
| 56 |
case RasterBuf.TYPE_USHORT:
|
| 57 |
case RasterBuf.TYPE_INT:filtro = new TransparencyShortFilter();break; |
| 58 |
} |
| 59 |
if(red != null)filtro.addParam("red", red); |
| 60 |
if(green != null)filtro.addParam("green", green); |
| 61 |
if(blue != null)filtro.addParam("blue", blue); |
| 62 |
filtro.addParam("alpha", new Integer(alpha)); |
| 63 |
filtro.addParam("transparencyRed", new Integer(transparencyRed)); |
| 64 |
filtro.addParam("transparencyGreen", new Integer(transparencyGreen)); |
| 65 |
filtro.addParam("transparencyBlue", new Integer(transparencyBlue)); |
| 66 |
|
| 67 |
//Elimina los filtros que son equivalentes a este
|
| 68 |
|
| 69 |
for(int i=0;i<filterStack.lenght();i++){ |
| 70 |
if( filterStack.get(i) instanceof TransparencyImageFilter || |
| 71 |
filterStack.get(i) instanceof TransparencyShortFilter){
|
| 72 |
|
| 73 |
//Si este filtro es equivalente a uno de la pila se elimina este
|
| 74 |
if(((TransparencyFilter)filtro).isEquivalent((TransparencyFilter)filterStack.get(i)))
|
| 75 |
filterStack.removeFilter(filterStack.get(i)); |
| 76 |
|
| 77 |
} |
| 78 |
} |
| 79 |
|
| 80 |
//A?ade el filtro si no hay uno equivalente
|
| 81 |
|
| 82 |
boolean equivalentFilter = false; |
| 83 |
for(int i=0;i<filterStack.lenght();i++){ |
| 84 |
if( filterStack.get(i) instanceof TransparencyImageFilter || |
| 85 |
filterStack.get(i) instanceof TransparencyShortFilter){
|
| 86 |
|
| 87 |
//Si no existe en la pila un filtro equivalente se a?ade
|
| 88 |
if(((TransparencyFilter)filterStack.get(i)).isEquivalent((TransparencyFilter)filtro)){
|
| 89 |
equivalentFilter = true;
|
| 90 |
break;
|
| 91 |
} |
| 92 |
} |
| 93 |
} |
| 94 |
if(!equivalentFilter)
|
| 95 |
filterStack.addFilter(RasterFilterStackManager.transparency, filtro); |
| 96 |
} |
| 97 |
|
| 98 |
/**
|
| 99 |
* A?ade un filtro de recorte de colas
|
| 100 |
* @param tail porcentaje de recorte
|
| 101 |
* @param samples porcentaje de muestras tomadas del total de la imagen
|
| 102 |
*/
|
| 103 |
public void addTailFilter( double tail, double samples){ |
| 104 |
if(filterStack.isActive(RasterFilterStackManager.tail))
|
| 105 |
filterStack.removeFilter(RasterFilterStackManager.tail); |
| 106 |
|
| 107 |
RasterFilter filtro = null;
|
| 108 |
switch(filterStack.getDataTypeInFilter(RasterFilterStackManager.tail)){
|
| 109 |
case RasterBuf.TYPE_IMAGE:filtro = new PercentTailTrimImageFilter();break; |
| 110 |
case RasterBuf.TYPE_SHORT:
|
| 111 |
case RasterBuf.TYPE_USHORT:
|
| 112 |
case RasterBuf.TYPE_INT:filtro = new PercentTailTrimShortFilter();break; |
| 113 |
} |
| 114 |
filtro.addParam("stats", filterStack.getStats());
|
| 115 |
filtro.addParam("tail", new Double(tail)); |
| 116 |
filtro.addParam("samples", new Double(samples)); |
| 117 |
filterStack.addFilter(RasterFilterStackManager.tail, filtro); |
| 118 |
} |
| 119 |
|
| 120 |
/**
|
| 121 |
* A?ade un filtro de realce
|
| 122 |
*/
|
| 123 |
public void addEnhancedFilter(){ |
| 124 |
if(filterStack.isActive(RasterFilterStackManager.enhanced))
|
| 125 |
filterStack.removeFilter(RasterFilterStackManager.enhanced); |
| 126 |
|
| 127 |
RasterFilter filtro = null;
|
| 128 |
switch(filterStack.getDataTypeInFilter(RasterFilterStackManager.enhanced)){
|
| 129 |
case RasterBuf.TYPE_IMAGE:filtro = new LinearEnhancementImageFilter();break; |
| 130 |
case RasterBuf.TYPE_SHORT:
|
| 131 |
case RasterBuf.TYPE_USHORT:
|
| 132 |
case RasterBuf.TYPE_INT:filtro = new LinearEnhancementShortFilter();break; |
| 133 |
} |
| 134 |
filtro.addParam("stats", filterStack.getStats());
|
| 135 |
filterStack.addFilter(RasterFilterStackManager.enhanced, filtro); |
| 136 |
} |
| 137 |
|
| 138 |
/**
|
| 139 |
* A?ade un filtro ComputeMinMax
|
| 140 |
*/
|
| 141 |
public void addComputeMinMaxFilter(){ |
| 142 |
if(!filterStack.isActive(RasterFilterStackManager.computeminmax)){ //Solo lo a?adimos si no est? |
| 143 |
RasterFilter filtro = null;
|
| 144 |
switch(filterStack.getDataTypeInFilter(RasterFilterStackManager.computeminmax)){
|
| 145 |
case RasterBuf.TYPE_IMAGE:filtro = new ComputeMinMaxImageFilter();break; |
| 146 |
case RasterBuf.TYPE_SHORT:
|
| 147 |
case RasterBuf.TYPE_USHORT:
|
| 148 |
case RasterBuf.TYPE_INT:filtro = new ComputeMinMaxShortFilter();break; |
| 149 |
} |
| 150 |
filtro.addParam("stats", filterStack.getStats());
|
| 151 |
filterStack.addFilter(RasterFilterStackManager.computeminmax, filtro); |
| 152 |
} |
| 153 |
} |
| 154 |
|
| 155 |
/**
|
| 156 |
* M?todo que devuelve true si el tipo de filtro pasado por par?metro est? en la
|
| 157 |
* pila y false si no lo est?.
|
| 158 |
* @param filter Tipo de filtro a comprobar
|
| 159 |
* @return true si est? en la pila y false si no lo est?
|
| 160 |
*/
|
| 161 |
public boolean isActive(int type){ |
| 162 |
return filterStack.isActive(type);
|
| 163 |
} |
| 164 |
|
| 165 |
/**
|
| 166 |
* Elimina los filtros de la pila de un determinado tipo
|
| 167 |
* @param type Tipo de filtro a eliminar
|
| 168 |
*/
|
| 169 |
public void removeFilter(int type){ |
| 170 |
filterStack.removeFilter(type); |
| 171 |
} |
| 172 |
|
| 173 |
/**
|
| 174 |
* Resetea el flag de temporalidad de los filtros de la pila.
|
| 175 |
* Esto equivale a fijar los filtros que ya existen en la pila. A partir de
|
| 176 |
* ese momento los filtros que se introduzcan podr?n ser eliminados de golpe
|
| 177 |
* llamando a la funci?n deleteTempFilters
|
| 178 |
*/
|
| 179 |
public void resetTempFilters(){ |
| 180 |
filterStack.resetTempFilters(); |
| 181 |
} |
| 182 |
|
| 183 |
/**
|
| 184 |
* Elimina los filtros temporales, es decir, todos los filtros introducidos desde
|
| 185 |
* el ?ltimo resetTempFilters que se ha realizado.
|
| 186 |
*/
|
| 187 |
public void deleteTempFilters(){ |
| 188 |
filterStack.deleteTempFilters(); |
| 189 |
} |
| 190 |
|
| 191 |
/**
|
| 192 |
* Obtiene el objeto de estadisticas asignado a la pila.
|
| 193 |
* @return
|
| 194 |
*/
|
| 195 |
public RasterStats getStackStats(){
|
| 196 |
return filterStack.getStats();
|
| 197 |
} |
| 198 |
} |