root / trunk / libraries / libjni-mrsid / src / main / java / es / gva / cit / jmrsid / LTISceneBuffer.java @ 20021
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/**********************************************************************
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* $Id: LTISceneBuffer.java 3539 2006-01-09 12:23:20Z nacho $
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*
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* Name: LTISceneBuffer.java
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* Project: JMRSID. Interface java to mrsid (Lizardtech).
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* Purpose:
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* Author: Nacho Brodin, brodin_ign@gva.es
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*
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**********************************************************************/
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package es.gva.cit.jmrsid; |
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/**
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* Buffer que contiene los datos de una escena.
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*
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* @author Nacho Brodin <brodin_ign@gva.es>.<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es
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* @version 0.0
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* @link http://www.gvsig.gva.es
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*/
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public class LTISceneBuffer extends JNIBase{ |
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private native long LTISceneBufferNat(long pixel,int tamx,int tamy, int flag); |
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private native long LTISceneBuffer1Nat(long pixel, int totalNumCols, int totalNumRows, int colOffset, int rowOffset, int windowNumCols, int windowNumRows, int flag); |
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private native void FreeLTISceneBufferNat(long cPtr_LTISceneBuffer, long cPtr_tbuffer); |
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public int size; |
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public byte buf1[]; |
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public byte buf2[]; |
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public byte buf3[]; |
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public long cPtrbuffer; |
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public boolean flag; |
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/**
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* Constructor
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*
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* @param pixel propiedades del pixel que ser?n usadas en el buffer
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* @param totalNumCols ancho del buffer
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* @param totalNumRows alto del buffer
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* @param flag Pone a null el puntero de datos si es false y llena el buffer si es true
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* @throws MrSIDException
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*/
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public LTISceneBuffer(LTIPixel pixel, int totalNumCols, int totalNumRows, boolean flag)throws MrSIDException{ |
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if(totalNumCols<0 || totalNumRows<0 || pixel==null) |
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throw new MrSIDException("Valores no validos para el tama?o de ventana."); |
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this.cPtrbuffer=-1; |
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this.flag=flag;
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//Si el flag es true reservamos memoria para el buffer
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if(flag==true){ |
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size=totalNumCols*totalNumRows; |
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buf1=new byte[size]; |
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buf2=new byte[size]; |
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buf3=new byte[size]; |
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} |
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if(flag)cPtr=LTISceneBufferNat(pixel.cPtr, totalNumCols, totalNumRows, 1); |
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else cPtr=LTISceneBufferNat(pixel.cPtr, totalNumCols, totalNumRows, 0); |
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if(cPtr<0) |
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throw new MrSIDException("Error en el constructor nativo LTIScene."); |
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} |
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/**
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* Constructor
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*
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* @param pixel propiedades del pixel que ser?n usadas en el buffer
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* @param totalNumCols ancho del buffer
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* @param totalNumRows alto del buffer
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* @param colOffset posici?n X de la ventana
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* @param rowOffset posici?n Y de la ventana
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* @param windowNumCols Ancho de la ventana
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* @param windowNumRows Alto de la ventana
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* @param flag Pone a null el puntero de datos si es false y llena el buffer si es true
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* @throws MrSIDException
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*/
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public LTISceneBuffer(LTIPixel pixel, int totalNumCols, int totalNumRows, int colOffset, int rowOffset, int windowNumCols, int windowNumRows, boolean flag)throws MrSIDException{ |
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if(totalNumCols<0 || totalNumRows<0 || colOffset<0 || rowOffset<0 || windowNumCols<0 || windowNumRows<0 || pixel==null) |
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throw new MrSIDException("Valores no validos para el tama?o de ventana."); |
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this.cPtrbuffer=-1; |
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this.flag=flag;
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//Si el flag es 1 reservamos memoria para el buffer
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if(flag==true){ |
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size=totalNumCols*totalNumRows; |
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buf1=new byte[size]; |
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buf2=new byte[size]; |
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buf3=new byte[size]; |
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} |
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if(flag)cPtr=LTISceneBuffer1Nat(pixel.cPtr, totalNumCols, totalNumRows, colOffset, rowOffset, windowNumCols, windowNumRows, 1); |
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else cPtr=LTISceneBuffer1Nat(pixel.cPtr, totalNumCols, totalNumRows, colOffset, rowOffset, windowNumCols, windowNumRows, 0); |
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if(cPtr<0) |
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throw new MrSIDException("Error en el constructor nativo LTIScene."); |
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} |
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/**
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* Destructor
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*/
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public void finalize(){ |
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//System.out.println("Finalizando LTIsceneBuffer ..."+cPtrbuffer);
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if(cPtr > 0) |
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FreeLTISceneBufferNat(cPtr, cPtrbuffer); |
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} |
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} |