svn-gvsig-desktop / tags / v1_0_2_Build_909 / libraries / libjni-mrsid / src / ltiscenebuffer.cpp @ 43637
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1 | 662 | igbrotru | /**********************************************************************
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2 | * $Id$
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3 | *
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4 | * Name: ltiscenebuffer.c
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5 | * Project: JMRSID. Interfaz java to MrSID (Lizardtech).
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6 | * Purpose:
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7 | * Author: Nacho Brodin, brodin_ign@gva.es
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8 | *
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9 | **********************************************************************/
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10 | 2214 | igbrotru | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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11 | *
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12 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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13 | *
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14 | * This program is free software; you can redistribute it and/or
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15 | * modify it under the terms of the GNU General Public License
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16 | * as published by the Free Software Foundation; either version 2
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17 | * of the License, or (at your option) any later version.
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18 | *
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19 | * This program is distributed in the hope that it will be useful,
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20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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22 | * GNU General Public License for more details.
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23 | *
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24 | * You should have received a copy of the GNU General Public License
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25 | * along with this program; if not, write to the Free Software
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26 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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27 | *
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28 | * For more information, contact:
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29 | *
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30 | * Generalitat Valenciana
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31 | * Conselleria d'Infraestructures i Transport
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32 | * Av. Blasco Ib??ez, 50
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33 | * 46010 VALENCIA
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34 | * SPAIN
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35 | *
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36 | * +34 963862235
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37 | * gvsig@gva.es
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38 | * www.gvsig.gva.es
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39 | *
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40 | * or
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41 | *
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42 | * IVER T.I. S.A
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43 | * Salamanca 50
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44 | * 46005 Valencia
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45 | * Spain
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46 | *
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47 | * +34 963163400
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48 | * dac@iver.es
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49 | */
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50 | 662 | igbrotru | |
51 | |||
52 | #include <jni.h> |
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53 | #include <malloc.h> |
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54 | #include "es_gva_cit_jmrsid_LTISceneBuffer.h" |
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55 | #include "es_gva_cit_jmrsid_JNIBase.h" |
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56 | |||
57 | #include "lt_types.h" |
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58 | #include "lt_base.h" |
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59 | #include "lt_fileSpec.h" |
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60 | #include "lti_geoCoord.h" |
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61 | #include "lti_pixel.h" |
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62 | #include "lti_navigator.h" |
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63 | #include "lti_sceneBuffer.h" |
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64 | #include "lti_metadataDatabase.h" |
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65 | #include "lti_metadataRecord.h" |
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66 | #include "lti_utils.h" |
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67 | #include "MrSIDImageReader.h" |
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68 | #include "J2KImageReader.h" |
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69 | #include "lti_imageReader.h" |
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70 | #include "lti_sceneBuffer.h" |
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71 | #include "lti_scene.h" |
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72 | //#include "cpl_conv.h"
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73 | #include "TIFFImageWriter.h" |
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74 | #include "../include/jmrsid.h" |
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75 | |||
76 | LT_USE_NAMESPACE(LizardTech); |
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77 | |||
78 | |||
79 | |||
80 | /******************************************************************************/
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81 | // Constructor LTISceneBuffer
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82 | /******************************************************************************/
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83 | |||
84 | |||
85 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jmrsid_LTISceneBuffer_LTISceneBufferNat |
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86 | (JNIEnv *env, jobject obj, jlong cPtr, jint tamx, jint tamy, jint flag){ |
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87 | |||
88 | LTISceneBuffer *buffer=NULL;
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89 | LTIPixel *pixel = (LTIPixel *) 0 ;
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90 | jclass class_mrsidbuffer; |
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91 | jfieldID id_ptrbuffer; |
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92 | t_buffer *datos_ventana = (t_buffer*)malloc(sizeof(t_buffer));
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93 | jlong jbuf = 0 ;
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94 | jlong jstructbuf = 0 ;
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95 | |||
96 | |||
97 | pixel = *(LTIPixel **)&cPtr; |
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98 | |||
99 | //Si el flag es 1 necesitamos un buffer.
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100 | |||
101 | if(pixel!=NULL){ |
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102 | if(flag>=1){ |
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103 | |||
104 | //Creamos el buffer
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105 | |||
106 | datos_ventana->siz = tamx * tamy; |
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107 | datos_ventana->membuf = new lt_uint8[datos_ventana->siz*3]; |
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108 | datos_ventana->bufs[0] = datos_ventana->membuf;
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109 | datos_ventana->bufs[1] = datos_ventana->membuf+datos_ventana->siz;
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110 | datos_ventana->bufs[2] = datos_ventana->membuf+datos_ventana->siz*2; |
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111 | |||
112 | //Obtenemos el id del campo que tiene el buffer de la clase LTISceneBuffer de java
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113 | |||
114 | class_mrsidbuffer = env->GetObjectClass(obj); |
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115 | id_ptrbuffer = env->GetFieldID( class_mrsidbuffer, "cPtrbuffer", "J"); |
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116 | |||
117 | |||
118 | //Llamamos al constructor pasandole el buffer creado
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119 | |||
120 | buffer=new LTISceneBuffer(*pixel,tamx,tamy,datos_ventana->bufs);
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121 | |||
122 | //Obtenemos los punteros a objeto buffer y a la estructura con el buffer de memoria
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123 | |||
124 | *(t_buffer **)&jstructbuf = datos_ventana; |
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125 | |||
126 | //Guardamos el id del buffer en la parte java
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127 | |||
128 | env->SetLongField(obj, id_ptrbuffer, jstructbuf); |
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129 | 1180 | igbrotru | |
130 | 662 | igbrotru | }else
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131 | buffer=new LTISceneBuffer(*pixel,tamx,tamy,NULL); |
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132 | |||
133 | |||
134 | *(LTISceneBuffer **)&jbuf = buffer; |
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135 | |||
136 | |||
137 | }else return -1; |
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138 | |||
139 | |||
140 | |||
141 | return jbuf;
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142 | } |
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143 | |||
144 | 1142 | igbrotru | |
145 | 1124 | igbrotru | /******************************************************************************/
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146 | 1142 | igbrotru | // LTISceneBuffer
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147 | /******************************************************************************/
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148 | |||
149 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jmrsid_LTISceneBuffer_LTISceneBuffer1Nat__JIIIIIII |
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150 | (JNIEnv *env, jobject obj, jlong cPtr, jint totalNumCols, jint totalNumRows, jint colOffset, jint rowOffset, jint windowNumCols, jint windowNumRows, jint flag){ |
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151 | |||
152 | LTISceneBuffer *buffer=NULL;
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153 | LTIPixel *pixel = (LTIPixel *) 0 ;
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154 | jclass class_mrsidbuffer; |
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155 | jfieldID id_ptrbuffer; |
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156 | t_buffer *datos_ventana = (t_buffer*)malloc(sizeof(t_buffer));
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157 | jlong jbuf = 0 ;
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158 | jlong jstructbuf = 0 ;
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159 | |||
160 | |||
161 | pixel = *(LTIPixel **)&cPtr; |
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162 | |||
163 | //Si el flag es 1 necesitamos un buffer.
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164 | |||
165 | if(pixel!=NULL){ |
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166 | if(flag>=1){ |
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167 | |||
168 | //Creamos el buffer
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169 | |||
170 | datos_ventana->siz = totalNumCols * totalNumRows; |
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171 | datos_ventana->membuf = new lt_uint8[datos_ventana->siz*3]; |
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172 | datos_ventana->bufs[0] = datos_ventana->membuf;
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173 | datos_ventana->bufs[1] = datos_ventana->membuf+datos_ventana->siz;
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174 | datos_ventana->bufs[2] = datos_ventana->membuf+datos_ventana->siz*2; |
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175 | |||
176 | //Obtenemos el id del campo que tiene el buffer de la clase LTISceneBuffer de java
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177 | |||
178 | class_mrsidbuffer = env->GetObjectClass(obj); |
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179 | id_ptrbuffer = env->GetFieldID( class_mrsidbuffer, "cPtrbuffer", "J"); |
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180 | |||
181 | |||
182 | //Llamamos al constructor pasandole el buffer creado
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183 | |||
184 | buffer=new LTISceneBuffer(*pixel, totalNumCols, totalNumRows, colOffset, rowOffset, windowNumCols, windowNumRows, datos_ventana->bufs);
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185 | |||
186 | //Obtenemos los punteros a objeto buffer y a la estructura con el buffer de memoria
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187 | |||
188 | *(t_buffer **)&jstructbuf = datos_ventana; |
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189 | |||
190 | //Guardamos el id del buffer en la parte java
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191 | |||
192 | env->SetLongField(obj, id_ptrbuffer, jstructbuf); |
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193 | }else
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194 | buffer=new LTISceneBuffer(*pixel, totalNumCols, totalNumRows, colOffset, rowOffset, windowNumCols, windowNumRows, NULL); |
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195 | |||
196 | |||
197 | *(LTISceneBuffer **)&jbuf = buffer; |
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198 | |||
199 | |||
200 | }else return -1; |
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201 | |||
202 | |||
203 | |||
204 | return jbuf;
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205 | } |
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206 | |||
207 | /******************************************************************************/
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208 | 1124 | igbrotru | // ~LTISceneBuffer
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209 | /******************************************************************************/
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210 | 662 | igbrotru | |
211 | 1124 | igbrotru | JNIEXPORT void JNICALL Java_es_gva_cit_jmrsid_LTISceneBuffer_FreeLTISceneBufferNat
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212 | 1180 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr_LTISceneBuffer, jlong cPtr_tbuffer){ |
213 | 1124 | igbrotru | |
214 | LTISceneBuffer *scene = (LTISceneBuffer *) 0 ;
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215 | 1180 | igbrotru | t_buffer *datos_ventana; |
216 | 1124 | igbrotru | |
217 | 1180 | igbrotru | scene = *(LTISceneBuffer **)&cPtr_LTISceneBuffer; |
218 | datos_ventana = *(t_buffer **)&cPtr_tbuffer; |
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219 | |||
220 | //Nos cepillamos el buffer y el objeto scenebuffer para que quede todo aseado
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221 | |||
222 | if(datos_ventana!=NULL){ |
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223 | if(datos_ventana->membuf!=NULL)delete datos_ventana->membuf; |
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224 | free(datos_ventana); |
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225 | } |
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226 | 1124 | igbrotru | if(scene!=NULL){ |
227 | delete scene;
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228 | } |
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229 | |||
230 | } |