svn-gvsig-desktop / tags / v1_9_Build_1235 / libraries / libjni-mrsid-macosx / src / mrsidimagereader.cpp
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1 | 9099 | mija | /**********************************************************************
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2 | * $Id$
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3 | *
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4 | * Name: mrsid_interfaz.c
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5 | * Project: JMRSID. Interfaz java to MrSID (Lizardtech).
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6 | * Purpose: dataset's Basic Funcions.
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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 | /* 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 | * [01] 01-Oct-2005 nbt MrSIDImageReaderArrayNat function to support name parameter in char array
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51 | */
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52 | |||
53 | |||
54 | #include <jni.h> |
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55 | #include <stdlib.h> |
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56 | #include "es_gva_cit_jmrsid_MrSIDImageReader.h" |
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57 | #include "es_gva_cit_jmrsid_JNIBase.h" |
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58 | |||
59 | #include "lt_types.h" |
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60 | #include "lt_base.h" |
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61 | #include "lt_fileSpec.h" |
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62 | #include "lti_geoCoord.h" |
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63 | #include "lti_pixel.h" |
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64 | #include "lti_navigator.h" |
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65 | #include "lti_sceneBuffer.h" |
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66 | #include "lti_metadataDatabase.h" |
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67 | #include "lti_metadataRecord.h" |
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68 | #include "lti_utils.h" |
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69 | #include "MrSIDImageReader.h" |
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70 | #include "J2KImageReader.h" |
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71 | #include "lti_imageReader.h" |
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72 | #include "lti_sceneBuffer.h" |
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73 | #include "lti_scene.h" |
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74 | //#include "cpl_conv.h"
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75 | //#include "TIFFImageWriter.h"
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76 | |||
77 | LT_USE_NAMESPACE(LizardTech); |
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78 | |||
79 | /******************************************************************************/
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80 | // Constructor MrSIDImageReader
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81 | /******************************************************************************/
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82 | |||
83 | |||
84 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jmrsid_MrSIDImageReader_MrSIDImageReaderNat |
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85 | (JNIEnv *env, jobject obj, jstring pszF){ |
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86 | |||
87 | const char *pszFilename; |
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88 | LTIImageReader *poImageReader; |
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89 | jlong jresult = 0 ;
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90 | FILE *fich; |
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91 | |||
92 | |||
93 | pszFilename = env->GetStringUTFChars(pszF, 0);
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94 | |||
95 | fich=fopen( pszFilename, "r" );
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96 | if( fich )
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97 | fclose(fich); |
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98 | else
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99 | { |
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100 | fclose(fich); |
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101 | return -1; |
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102 | } |
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103 | |||
104 | const LTFileSpec fileSpec(pszFilename);
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105 | poImageReader = new MrSIDImageReader( fileSpec );
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106 | *(LTIImageReader **)&jresult = poImageReader; |
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107 | env->ReleaseStringUTFChars(pszF, pszFilename); |
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108 | |||
109 | |||
110 | if(poImageReader==NULL)return -1; |
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111 | else return jresult; |
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112 | |||
113 | } |
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114 | |||
115 | /******************************************************************************/
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116 | // Constructor MrSIDImageArrayReader
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117 | /******************************************************************************/
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118 | |||
119 | |||
120 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jmrsid_MrSIDImageReader_MrSIDImageReaderArrayNat |
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121 | (JNIEnv *env, jobject obj, jbyteArray pszF){ |
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122 | |||
123 | char *pszFilename;
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124 | MrSIDImageReader *poImageReader; |
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125 | jlong jresult = 0 ;
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126 | FILE *fich; |
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127 | int longitud = 0; |
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128 | |||
129 | longitud = env->GetArrayLength(pszF); |
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130 | pszFilename = (char *)env->GetByteArrayElements(pszF, 0); |
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131 | pszFilename = (char *)realloc(pszFilename, longitud + 1); |
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132 | pszFilename[longitud] = '\0';
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133 | |||
134 | fich=fopen( (char *)pszFilename, "r" ); |
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135 | if( fich )
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136 | fclose(fich); |
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137 | else
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138 | return -1; |
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139 | |||
140 | const LTFileSpec fileSpec(pszFilename);
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141 | poImageReader = new MrSIDImageReader( fileSpec );
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142 | *(MrSIDImageReader **)&jresult = poImageReader; |
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143 | |||
144 | |||
145 | env->ReleaseByteArrayElements(pszF, (jbyte *)pszFilename, 0);
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146 | |||
147 | if(poImageReader==NULL) |
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148 | return -1; |
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149 | else
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150 | return jresult;
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151 | |||
152 | } |
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153 | |||
154 | /******************************************************************************/
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155 | // getNumLevels
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156 | /******************************************************************************/
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157 | |||
158 | JNIEXPORT jint JNICALL Java_es_gva_cit_jmrsid_JNIBase_getNumLevelsNat |
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159 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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160 | |||
161 | MrSIDImageReader *img = (MrSIDImageReader *) 0 ;
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162 | int res = -1; |
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163 | |||
164 | img = *(MrSIDImageReader **)&cPtr; |
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165 | |||
166 | if(img!=NULL) |
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167 | res = img->getNumLevels(); |
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168 | |||
169 | return res;
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170 | |||
171 | } |
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172 | |||
173 | /******************************************************************************/
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174 | // ~MrSIDImageReader
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175 | /******************************************************************************/
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176 | |||
177 | JNIEXPORT void JNICALL Java_es_gva_cit_jmrsid_MrSIDImageReader_FreeMrSIDImageReaderNat
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178 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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179 | |||
180 | MrSIDImageReader *reader = (MrSIDImageReader *) 0 ;
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181 | |||
182 | reader = *(MrSIDImageReader **)&cPtr; |
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183 | if(reader!=NULL){ |
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184 | delete reader;
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185 | } |
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186 | |||
187 | } |
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188 | |||
189 | |||
190 | |||
191 |