Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/io/raster/LinearEnhancementImageFilter.java
| LinearEnhancementImageFilter.java | ||
|---|---|---|
| 1 | 1 |
/* |
| 2 | 2 |
* Cresques Mapping Suite. Graphic Library for constructing mapping applications. |
| 3 |
* |
|
| 4 |
* Copyright (C) 2004-5. |
|
| 5 | 3 |
* |
| 4 |
* Copyright (C) 2004-5. |
|
| 5 |
* |
|
| 6 | 6 |
* This program is free software; you can redistribute it and/or |
| 7 | 7 |
* modify it under the terms of the GNU General Public License |
| 8 | 8 |
* as published by the Free Software Foundation; either version 2 |
| ... | ... | |
| 18 | 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
| 19 | 19 |
* |
| 20 | 20 |
* For more information, contact: |
| 21 |
*
|
|
| 21 |
* |
|
| 22 | 22 |
* cresques@gmail.com |
| 23 | 23 |
*/ |
| 24 | 24 |
package org.cresques.io.raster; |
| ... | ... | |
| 26 | 26 |
import java.awt.Image; |
| 27 | 27 |
import java.awt.image.BufferedImage; |
| 28 | 28 |
|
| 29 |
|
|
| 29 | 30 |
/** |
| 30 | 31 |
* Realzado Lineal (Amplitude Rescaling) para objetos Image. |
| 31 | 32 |
* @author Luis W. Sevilla (sevilla_lui@gva.es) |
| 32 | 33 |
* @author Nacho Brodin (brodin_ign@gva.es) |
| 33 | 34 |
*/ |
| 34 |
public class LinearEnhancementImageFilter extends LinearEnhancementFilter {
|
|
| 35 |
|
|
| 36 |
/** |
|
| 37 |
* Constructor |
|
| 38 |
*/ |
|
| 39 |
public LinearEnhancementImageFilter(){
|
|
| 40 |
super(); |
|
| 41 |
} |
|
| 42 |
|
|
| 43 |
/* (non-Javadoc) |
|
| 44 |
* @see org.cresques.io.raster.IRasterFilter#pre() |
|
| 45 |
*/ |
|
| 46 |
public void pre(){
|
|
| 47 |
//Obtenci?n de par?metros |
|
| 48 |
this.image = (Image)params.get("raster");
|
|
| 49 |
this.stats = (RasterStats)params.get("stats");
|
|
| 50 |
this.removeExtrema = ((Boolean)params.get("remove")).booleanValue();
|
|
| 51 |
this.filename = (String)params.get("filename");
|
|
| 52 |
height = image.getHeight(null); |
|
| 53 |
width = image.getWidth(null); |
|
| 54 |
super.pre(); |
|
| 55 |
} |
|
| 56 |
|
|
| 57 |
/* (non-Javadoc) |
|
| 58 |
* @see org.cresques.io.raster.IRasterFilter#process(int, int) |
|
| 59 |
*/ |
|
| 60 |
public void process(int x, int y) {
|
|
| 61 |
int pt = ((BufferedImage) image).getRGB(x,y); |
|
| 62 |
int []px4 = {
|
|
| 63 |
((pt & 0xff000000) >> 24) & 0xff, ((pt & 0xff0000) >> 16) & 0xff, |
|
| 64 |
((pt & 0xff00) >> 8) & 0xff, pt & 0xff}; |
|
| 65 |
|
|
| 66 |
for (int i=0; i<3; i++) {
|
|
| 67 |
if (px4[i+1] > maxBandValue[i]) |
|
| 68 |
px4[i+1] = maxBandValue[i]; |
|
| 69 |
else if (px4[i+1] < minBandValue[i] ) |
|
| 70 |
px4[i+1] = minBandValue[i]; |
|
| 71 |
px4[i+1] = (((int) (((double)px4[i+1])*scale[i] + offset[i])) & 0xff); |
|
| 72 |
} |
|
| 73 |
((BufferedImage) image).setRGB(x,y, ( |
|
| 74 |
(px4[0] << 24) & 0xff000000 | (px4[1] << 16) & 0xff0000 | |
|
| 75 |
(px4[2] << 8) & 0xff00 | (px4[3] & 0xff) )); |
|
| 76 |
} |
|
| 77 |
|
|
| 78 |
/* (non-Javadoc) |
|
| 79 |
* @see org.cresques.io.raster.IRasterFilter#getResult(java.lang.String) |
|
| 80 |
*/ |
|
| 81 |
public Object getResult(String name) {
|
|
| 82 |
if(name.equals("raster"))
|
|
| 83 |
return (Object)this.image; |
|
| 84 |
else |
|
| 85 |
return null; |
|
| 86 |
} |
|
| 87 |
|
|
| 88 |
/* (non-Javadoc) |
|
| 89 |
* @see org.cresques.io.raster.IRasterFilter#getInRasterDataType() |
|
| 90 |
*/ |
|
| 91 |
public int getInRasterDataType(){
|
|
| 92 |
return RasterBuf.TYPE_IMAGE; |
|
| 93 |
} |
|
| 94 |
|
|
| 95 |
/* (non-Javadoc) |
|
| 96 |
* @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType() |
|
| 97 |
*/ |
|
| 98 |
public int getOutRasterDataType(){
|
|
| 99 |
return RasterBuf.TYPE_IMAGE; |
|
| 100 |
} |
|
| 101 |
|
|
| 102 |
/* (non-Javadoc) |
|
| 103 |
* @see org.cresques.io.raster.IRasterFilter#post() |
|
| 104 |
*/ |
|
| 105 |
public void post(){};
|
|
| 106 |
|
|
| 107 |
/* (non-Javadoc) |
|
| 108 |
* @see org.cresques.io.raster.RasterFilter#processLine(int) |
|
| 109 |
*/ |
|
| 110 |
public void processLine(int y){};
|
|
| 111 |
} |
|
| 35 |
public class LinearEnhancementImageFilter extends LinearEnhancementFilter {
|
|
| 36 |
/** |
|
| 37 |
* Constructor |
|
| 38 |
*/ |
|
| 39 |
public LinearEnhancementImageFilter() {
|
|
| 40 |
super(); |
|
| 41 |
} |
|
| 112 | 42 |
|
| 43 |
/* (non-Javadoc) |
|
| 44 |
* @see org.cresques.io.raster.IRasterFilter#pre() |
|
| 45 |
*/ |
|
| 46 |
public void pre() {
|
|
| 47 |
//Obtenci?n de par?metros |
|
| 48 |
this.image = (Image) params.get("raster");
|
|
| 49 |
this.stats = (RasterStats) params.get("stats");
|
|
| 50 |
this.removeExtrema = ((Boolean) params.get("remove")).booleanValue();
|
|
| 51 |
this.filename = (String) params.get("filename");
|
|
| 52 |
height = image.getHeight(null); |
|
| 53 |
width = image.getWidth(null); |
|
| 54 |
super.pre(); |
|
| 55 |
} |
|
| 113 | 56 |
|
| 57 |
/* (non-Javadoc) |
|
| 58 |
* @see org.cresques.io.raster.IRasterFilter#process(int, int) |
|
| 59 |
*/ |
|
| 60 |
public void process(int x, int y) {
|
|
| 61 |
int pt = ((BufferedImage) image).getRGB(x, y); |
|
| 62 |
int[] px4 = {
|
|
| 63 |
((pt & 0xff000000) >> 24) & 0xff, |
|
| 64 |
((pt & 0xff0000) >> 16) & 0xff, |
|
| 65 |
((pt & 0xff00) >> 8) & 0xff, pt & 0xff |
|
| 66 |
}; |
|
| 67 |
|
|
| 68 |
for (int i = 0; i < 3; i++) {
|
|
| 69 |
if (px4[i + 1] > maxBandValue[i]) {
|
|
| 70 |
px4[i + 1] = maxBandValue[i]; |
|
| 71 |
} else if (px4[i + 1] < minBandValue[i]) {
|
|
| 72 |
px4[i + 1] = minBandValue[i]; |
|
| 73 |
} |
|
| 74 |
|
|
| 75 |
px4[i + 1] = (((int) ((((double) px4[i + 1]) * scale[i]) + |
|
| 76 |
offset[i])) & 0xff); |
|
| 77 |
} |
|
| 78 |
|
|
| 79 |
((BufferedImage) image).setRGB(x, y, |
|
| 80 |
(((px4[0] << 24) & 0xff000000) | |
|
| 81 |
((px4[1] << 16) & 0xff0000) | |
|
| 82 |
((px4[2] << 8) & 0xff00) | |
|
| 83 |
(px4[3] & 0xff))); |
|
| 84 |
} |
|
| 85 |
|
|
| 86 |
/* (non-Javadoc) |
|
| 87 |
* @see org.cresques.io.raster.IRasterFilter#getResult(java.lang.String) |
|
| 88 |
*/ |
|
| 89 |
public Object getResult(String name) {
|
|
| 90 |
if (name.equals("raster")) {
|
|
| 91 |
return (Object) this.image; |
|
| 92 |
} else {
|
|
| 93 |
return null; |
|
| 94 |
} |
|
| 95 |
} |
|
| 96 |
|
|
| 97 |
/* (non-Javadoc) |
|
| 98 |
* @see org.cresques.io.raster.IRasterFilter#getInRasterDataType() |
|
| 99 |
*/ |
|
| 100 |
public int getInRasterDataType() {
|
|
| 101 |
return RasterBuf.TYPE_IMAGE; |
|
| 102 |
} |
|
| 103 |
|
|
| 104 |
/* (non-Javadoc) |
|
| 105 |
* @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType() |
|
| 106 |
*/ |
|
| 107 |
public int getOutRasterDataType() {
|
|
| 108 |
return RasterBuf.TYPE_IMAGE; |
|
| 109 |
} |
|
| 110 |
|
|
| 111 |
/* (non-Javadoc) |
|
| 112 |
* @see org.cresques.io.raster.IRasterFilter#post() |
|
| 113 |
*/ |
|
| 114 |
public void post() {
|
|
| 115 |
} |
|
| 116 |
|
|
| 117 |
/* (non-Javadoc) |
|
| 118 |
* @see org.cresques.io.raster.RasterFilter#processLine(int) |
|
| 119 |
*/ |
|
| 120 |
public void processLine(int y) {
|
|
| 121 |
} |
|
| 122 |
} |
|
Also available in: Unified diff