svn-gvsig-desktop / tags / v1_0_RELEASE / libraries / libCq CMS for java.old / src / org / cresques / filter / RasterBuf.java @ 9167
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.filter; |
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import java.awt.Point; |
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/**
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* Rectangulo de pixeles. parecido a java.awt.image.Raster
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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public class RasterBuf implements IRaster { |
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private byte[][][] byteBuf; |
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private short[][][] shortBuf; |
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private int[][][] intBuf; |
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private int width; |
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private int height; |
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private int bandNr; |
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private int dataType; |
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/**
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* Constructor
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* @param dataType Tipo de dato
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* @param width Ancho
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* @param height Alto
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* @param bandNr Banda
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* @param orig
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*/
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public RasterBuf(int dataType, int width, int height, int bandNr, Point orig) { |
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this.dataType = dataType;
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this.width = width;
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this.height = height;
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this.bandNr = bandNr;
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if (dataType == TYPE_BYTE) {
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byteBuf = new byte[height][width][bandNr]; |
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} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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shortBuf = new short[height][width][bandNr]; |
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} else if (dataType == TYPE_INT) { |
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intBuf = new int[height][width][bandNr]; |
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} |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getWidth()
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*/
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public int getWidth() { |
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return width;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getHeight()
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*/
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public int getHeight() { |
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return height;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getBandNr()
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*/
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public int getBandNr() { |
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return bandNr;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getDataType()
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*/
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public int getDataType() { |
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return dataType;
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} |
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/**
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* Obtiene el tipo de dato
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* @return Tipo de dato
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*/
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public int getDataSize() { |
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if (dataType == TYPE_BYTE) {
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return 1; |
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} else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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return 2; |
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} else if (dataType == TYPE_INT) { |
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return 4; |
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} |
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return 0; |
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} |
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/**
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* Obtiene el tama?o del buffer
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* @return tama?o del buffer
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*/
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public int sizeof() { |
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return getDataSize() * width * height * bandNr;
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} |
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public byte[][] getLineByte(int y) { |
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return byteBuf[y];
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} |
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public short[][] getLineShort(int y) { |
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return shortBuf[y];
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} |
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public int[][] getLineInt(int y) { |
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return intBuf[y];
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} |
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public void getElemShort(int x, int y, int[] px) { |
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for (int i = 0; i < bandNr; i++) |
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px[i] = shortBuf[y][x][i]; |
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} |
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public void getElemInt(int x, int y, int[] px) { |
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for (int i = 0; i < bandNr; i++) |
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px[i] = intBuf[y][x][i]; |
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} |
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public void setElemShort(int x, int y, int[] px) { |
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for (int i = 0; i < bandNr; i++) |
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shortBuf[y][x][i] = (short) px[i];
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} |
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public void setElemInt(int x, int y, int[] px) { |
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for (int i = 0; i < bandNr; i++) |
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intBuf[y][x][i] = px[i]; |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.raster.IRaster#getElemInt(int, int, int)
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*/
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public int getElemInt(int x, int y, int band) { |
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return intBuf[y][x][band];
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} |
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/**
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* Convierte un tipo de dato a cadena
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* @param type Tipo de dato
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* @return cadena que representa el tipo de dato
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*/
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public static String typesToString(int type) { |
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switch (type) {
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case RasterBuf.TYPE_IMAGE:
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return new String("Image"); |
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case RasterBuf.TYPE_BYTE:
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return new String("Byte"); |
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case RasterBuf.TYPE_DOUBLE:
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return new String("Double"); |
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case RasterBuf.TYPE_FLOAT:
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return new String("Float"); |
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case RasterBuf.TYPE_INT:
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case RasterBuf.TYPE_USHORT:
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case RasterBuf.TYPE_SHORT:
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return new String("Short"); |
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} |
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return null; |
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} |
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} |