svn-gvsig-desktop / trunk / libraries / libjni-ecw / src / main / native / jecw / ecw_jni.c @ 20171
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1 | 20171 | maquerol | /**********************************************************
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2 | ** Copyright 1998 Earth Resource Mapping Ltd.
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3 | ** This document contains proprietary source code of
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4 | ** Earth Resource Mapping Ltd, and can only be used under
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5 | ** one of the three licenses as described in the
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6 | ** license.txt file supplied with this distribution.
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7 | ** See separate license.txt file for license details
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8 | ** and conditions.
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9 | **
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10 | ** This software is covered by US patent #6,442,298,
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11 | ** #6,102,897 and #6,633,688. Rights to use these patents
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12 | ** is included in the license agreements.
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13 | **
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14 | ** FILE: ecw_jni.c
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15 | ** CREATED: 4 Jan 2000
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16 | ** AUTHOR: Mark Sheridan
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17 | ** PURPOSE: Java wrappers for JNI usage of the ECW library in Java.
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18 | ** EDITS:
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19 | **
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20 | ** [01] 01Nov00 mjs Rewrote to be JVM 1.1 compliant.
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21 | ** [02] 08Mar04 mjs Removed old 1.1 spec stuff, now needs a 1.2 compatible virtual machine.
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22 | ** [03] 01Oct05 nbt ECWOpenArray function to support name parameter in char array
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23 | **
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24 | *******************************************************/
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25 | |||
26 | #include "NCSErrors.h" |
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27 | #include "NCSECWClient.h" |
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28 | #include "NCSMalloc.h" |
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29 | #include "NCSUtil.h" |
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30 | #include "NCSBuildNumber.h" |
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31 | #include "JNCSFile.h" |
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32 | #include "NCSFile.h" |
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33 | #include "NCSDynamicLib.h" |
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34 | |||
35 | //#ifndef JNI_VERSION_1_2
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36 | //#error You must compile this class against a 1.2 virtual machine specification
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37 | //#endif
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38 | |||
39 | static JavaVM *pJavaVirtualMachineInst = NULL; |
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40 | struct NCSJNIFieldIDs *pGlobalJNCSFieldIDs = NULL; |
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41 | |||
42 | typedef struct NCSJNIFieldIDs { |
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43 | jfieldID jIDNativeDataPointer; |
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44 | jfieldID jIDWidth; |
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45 | jfieldID jIDHeight; |
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46 | jfieldID jIDNumberOfBands; |
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47 | jfieldID jIDCompressionRate; |
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48 | jfieldID jIDCellIncrementX; |
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49 | jfieldID jIDCellIncrementY; |
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50 | jfieldID jIDCellSizeUnits; |
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51 | jfieldID jIDOriginX; |
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52 | jfieldID jIDOriginY; |
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53 | jfieldID jIDDatum; |
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54 | jfieldID jIDProjection; |
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55 | jfieldID jIDFilename; |
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56 | jfieldID jIDIsOpen; |
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57 | jmethodID jIDRefreshUpdateMethod; |
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58 | jfieldID jIDFileType; |
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59 | jfieldID jIDFileMimeType; |
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60 | } NCSJNIFieldIDs; |
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61 | |||
62 | // This is the object specific data structure, its cached.
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63 | typedef struct NCSJNIInfo { |
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64 | //jobject ECWFile;
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65 | NCSFileView *pFileView; |
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66 | } NCSJNIInfo; |
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67 | |||
68 | void NCSJNIThrowException(JNIEnv *pEnv, const char *pSignature, const char *pMessage) |
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69 | { |
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70 | jclass jExceptionClass = NULL;
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71 | |||
72 | if ((pEnv)->ExceptionCheck()) {
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73 | (pEnv)->ExceptionDescribe(); |
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74 | (pEnv)->ExceptionClear(); |
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75 | } |
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76 | |||
77 | jExceptionClass = (pEnv)->FindClass(pSignature); |
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78 | |||
79 | if (jExceptionClass != NULL) { |
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80 | (pEnv)->ThrowNew(jExceptionClass, pMessage); |
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81 | } |
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82 | (pEnv)->DeleteLocalRef(jExceptionClass); |
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83 | } |
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84 | |||
85 | NCSError NCSCreateJNIInfoStruct(JNIEnv *pEnv, jobject ECWFile, NCSFileView *pNCSFileView, NCSJNIInfo **pReturn) |
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86 | { |
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87 | NCSJNIInfo *pJNIInfo; |
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88 | //char *pErrorString = NULL;
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89 | |||
90 | pJNIInfo = (NCSJNIInfo *)NCSMalloc(sizeof(NCSJNIInfo), TRUE);
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91 | if (pJNIInfo != NULL) |
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92 | { |
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93 | pJNIInfo->pFileView = pNCSFileView; |
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94 | //pJNIInfo->ECWFile = (void *)(*pEnv)->NewGlobalRef(pEnv, ECWFile);
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95 | *pReturn = pJNIInfo; |
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96 | } |
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97 | else
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98 | { |
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99 | return NCS_COULDNT_ALLOC_MEMORY;
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100 | } |
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101 | return NCS_SUCCESS;
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102 | } |
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103 | |||
104 | /*
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105 | * Class: None
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106 | * Method: JNI_OnLoad
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107 | * Signature: ()Z
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108 | */
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109 | |||
110 | JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *pJVM, void *reserved)
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111 | { |
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112 | JNIEnv *pEnv; |
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113 | |||
114 | if ((pJVM)->GetEnv((void **)&pEnv, JNI_VERSION_1_2)) { |
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115 | NCSJNIThrowException(pEnv, "java/lang/Exception", "JNCS classes require a version 1.2 or higher virtual machine."); |
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116 | return JNI_ERR;
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117 | } |
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118 | else {
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119 | pJavaVirtualMachineInst = pJVM; |
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120 | #ifndef WIN32
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121 | NCSecwInit(); |
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122 | #endif
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123 | } |
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124 | return JNI_VERSION_1_2;
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125 | } |
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126 | |||
127 | |||
128 | /*
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129 | * Class: None
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130 | * Method: JNI_OnUnload
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131 | * Signature: ()Z
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132 | */
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133 | JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *pJVM, void *reserved) |
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134 | { |
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135 | #ifndef WIN32
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136 | NCSecwShutdown(); |
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137 | #endif
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138 | NCSFree((void *)pGlobalJNCSFieldIDs);
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139 | return;
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140 | } |
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141 | |||
142 | /*
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143 | * Class: com_ermapper_ecw_JNCSFile
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144 | * Method: NCSJNIInit
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145 | * Signature: ()I
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146 | */
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147 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_NCSJNIInit |
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148 | (JNIEnv *pEnv, jclass ECWFileClass) |
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149 | { |
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150 | NCSJNIFieldIDs *pJNIInfo = NULL;
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151 | char *pErrorString = NULL; |
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152 | |||
153 | if (!pGlobalJNCSFieldIDs) {
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154 | |||
155 | pJNIInfo = (NCSJNIFieldIDs *)NCSMalloc(sizeof(NCSJNIFieldIDs), TRUE);
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156 | |||
157 | // Get all the field ids of the ECWFile object
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158 | pJNIInfo->jIDNativeDataPointer = (pEnv)->GetFieldID(ECWFileClass, "nativeDataPointer", "J" ); |
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159 | pJNIInfo->jIDWidth = (pEnv)->GetFieldID(ECWFileClass, "width", "I" ); |
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160 | pJNIInfo->jIDHeight = (pEnv)->GetFieldID(ECWFileClass, "height", "I" ); |
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161 | pJNIInfo->jIDNumberOfBands = (pEnv)->GetFieldID(ECWFileClass, "numBands", "I" ); |
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162 | pJNIInfo->jIDCompressionRate = (pEnv)->GetFieldID(ECWFileClass, "compressionRate", "D" ); |
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163 | pJNIInfo->jIDCellIncrementX = (pEnv)->GetFieldID(ECWFileClass, "cellIncrementX", "D" ); |
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164 | pJNIInfo->jIDCellIncrementY = (pEnv)->GetFieldID(ECWFileClass, "cellIncrementY", "D" ); |
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165 | pJNIInfo->jIDCellSizeUnits = (pEnv)->GetFieldID(ECWFileClass, "cellSizeUnits", "I" ); |
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166 | pJNIInfo->jIDOriginX = (pEnv)->GetFieldID(ECWFileClass, "originX", "D" ); |
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167 | pJNIInfo->jIDOriginY = (pEnv)->GetFieldID(ECWFileClass, "originY", "D" ); |
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168 | pJNIInfo->jIDDatum = (pEnv)->GetFieldID(ECWFileClass, "datum", "Ljava/lang/String;" ); |
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169 | pJNIInfo->jIDProjection = (pEnv)->GetFieldID(ECWFileClass, "projection", "Ljava/lang/String;" ); |
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170 | pJNIInfo->jIDFilename = (pEnv)->GetFieldID(ECWFileClass, "fileName", "Ljava/lang/String;" ); |
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171 | pJNIInfo->jIDIsOpen = (pEnv)->GetFieldID(ECWFileClass, "bIsOpen", "Z" ); |
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172 | pJNIInfo->jIDRefreshUpdateMethod= (pEnv)->GetMethodID(ECWFileClass, "refreshUpdate", "(IIDDDD)V"); |
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173 | |||
174 | //pJNIInfo->jIDFileType = (pEnv)->GetFieldID(ECWFileClass, "fileType", "I" );
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175 | //pJNIInfo->jIDFileMimeType = (pEnv)->GetFieldID(ECWFileClass, "mimeType", "Ljava/lang/String;" );
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176 | |||
177 | |||
178 | // Do some error checking
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179 | if (!pJNIInfo->jIDNativeDataPointer)
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180 | pErrorString = "Could not determine fieldID for 'nativeDataPointer' in ECWFile object.";
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181 | if (!pJNIInfo->jIDWidth)
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182 | pErrorString = "Could not determine fieldID for 'width' in ECWFile object.";
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183 | if (!pJNIInfo->jIDHeight)
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184 | pErrorString = "Could not determine fieldID for 'height' in ECWFile object.";
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185 | if (!pJNIInfo->jIDNumberOfBands)
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186 | pErrorString = "Could not determine fieldID for 'numBands' in ECWFile object.";
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187 | if (!pJNIInfo->jIDCompressionRate)
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188 | pErrorString = "Could not determine fieldID for 'compressionRate' in ECWFile object.";
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189 | if (!pJNIInfo->jIDCellIncrementX)
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190 | pErrorString = "Could not determine fieldID for 'cellIncrementX' in ECWFile object.";
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191 | if (!pJNIInfo->jIDCellIncrementY)
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192 | pErrorString = "Could not determine fieldID for 'cellIncrementY' in ECWFile object.";
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193 | if (!pJNIInfo->jIDCellSizeUnits)
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194 | pErrorString = "Could not determine fieldID for 'cellSizeUnits' in ECWFile object.";
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195 | if (!pJNIInfo->jIDOriginX)
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196 | pErrorString = "Could not determine fieldID for 'originX' in ECWFile object.";
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197 | if (!pJNIInfo->jIDOriginY)
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198 | pErrorString = "Could not determine fieldID for 'originY' in ECWFile object.";
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199 | if (!pJNIInfo->jIDDatum)
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200 | pErrorString = "Could not determine fieldID for 'datum' in ECWFile object.";
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201 | if (!pJNIInfo->jIDProjection)
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202 | pErrorString = "Could not determine fieldID for 'projection' in ECWFile object.";
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203 | if (!pJNIInfo->jIDFilename)
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204 | pErrorString = "Could not determine fieldID for 'fileName' in ECWFile object.";
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205 | if (!pJNIInfo->jIDIsOpen)
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206 | pErrorString = "Could not determine fieldID for 'bIsOpen' in ECWFile object.";
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207 | /*if (!pJNIInfo->jIDFileType)
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208 | pErrorString = "Could not determine fieldID for 'fileType' in ECWFile object.";
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209 | if (!pJNIInfo->jIDFileMimeType)
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210 | pErrorString = "Could not determine fieldID for 'mimeType' in ECWFile object.";*/
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211 | |||
212 | if (pErrorString) {
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213 | #ifdef WIN32
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214 | MessageBox(NULL, OS_STRING(pErrorString), TEXT("JNCSClass Library (JNI)"), MB_OK); |
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215 | #else
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216 | fprintf(stderr, "JNCSClass Library (JNI) : %s\n", pErrorString);
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217 | #endif
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218 | NCSFormatErrorText(NCS_JNI_ERROR, pErrorString); |
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219 | return NCS_JNI_ERROR;
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220 | } |
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221 | else {
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222 | pGlobalJNCSFieldIDs = pJNIInfo; |
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223 | return NCS_SUCCESS;
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224 | } |
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225 | } |
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226 | else {
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227 | return NCS_SUCCESS;
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228 | } |
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229 | } |
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230 | |||
231 | /*
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232 | * There is so much that can go wrong in this call, that is why there is so much error checking.
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233 | *
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234 | * Class: None
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235 | * Method: NCSJNIRefreshCallback
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236 | * Signature:
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237 | */
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238 | NCSEcwReadStatus NCSJNIRefreshCallback(NCSFileView *pNCSFileView) |
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239 | { |
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240 | NCSFileViewSetInfo *pViewInfo; |
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241 | NCSJNIInfo *pJNIInfo; |
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242 | jint nError; |
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243 | JNIEnv *pEnv; |
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244 | jclass EcwObjectClass = NULL;
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245 | jobject pECWFile = NULL;
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246 | |||
247 | NCScbmGetViewInfo(pNCSFileView, &pViewInfo); |
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248 | |||
249 | // Must attach to the vm thread before calling any java methods.
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250 | nError = (pJavaVirtualMachineInst)->AttachCurrentThread((void **)&pEnv, NULL); |
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251 | |||
252 | if (nError != 0) { |
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253 | char Message[] = "The ECW JNI interface could not attach to the current thread in\n" |
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254 | "the Java virtual machine. Please refer to the Image Web Server\n"
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255 | "Java SDK documentation for more information about JVM threads.\n\n"
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256 | "Progressive imagery will not be available.";
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257 | #ifdef WIN32
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258 | MessageBox(GetActiveWindow(), OS_STRING(Message), TEXT("JNCSFile VM Error"), MB_OK);
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259 | #else
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260 | fprintf(stderr, "JNCSFile VM Error : %s\n", Message);
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261 | #endif
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262 | return NCSECW_READ_FAILED;
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263 | } |
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264 | |||
265 | // Make sure we got a view info struct.
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266 | if (!pViewInfo) {
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267 | NCSJNIThrowException(pEnv, "java/lang/Exception", "ECW JNI component could not obtain the NCSViewInfo pointer from the NCSFileView. No refreshUpdate() will occur."); |
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268 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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269 | return NCSECW_READ_FAILED;
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270 | } |
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271 | |||
272 | // The file is the global reference stashed in the client data pointer.
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273 | pECWFile = (jobject)pViewInfo->pClientData; |
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274 | |||
275 | // Check to make sure that the ECW object has not been free'd or garbaged collected. This is only valid for JNI 1.2
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276 | if ((pEnv)->IsSameObject(pECWFile/*pViewInfo->pClientData*/, NULL) == JNI_TRUE) { |
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277 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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278 | return NCSECW_READ_FAILED;
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279 | } |
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280 | |||
281 | // Use the valid reference to the object, to obtain the data pointer.
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282 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField((jobject)pViewInfo->pClientData, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
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283 | |||
284 | if (!pJNIInfo) {
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285 | NCSJNIThrowException(pEnv, "java/lang/Exception", "The ECW JNI component could not obtain the client data pointer from the NCSViewInfo struct. No refreshUpdate() will occur."); |
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286 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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287 | return NCSECW_READ_FAILED;
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288 | } |
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289 | |||
290 | EcwObjectClass = (pEnv)->GetObjectClass(pECWFile/*pJNIInfo->ECWFile*/);
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291 | if (EcwObjectClass == NULL) { |
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292 | NCSJNIThrowException(pEnv, "java/lang/Exception", "The ECW JNI component could not determine the class signature of the ECW object."); |
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293 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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294 | return NCSECW_READ_FAILED;
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295 | } |
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296 | |||
297 | (pEnv)->DeleteLocalRef(EcwObjectClass); |
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298 | |||
299 | //Call the "refreshUpdate" method on this object, if it implements the JNCSProgressiveUpdate interface.
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300 | if (pGlobalJNCSFieldIDs->jIDRefreshUpdateMethod) {
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301 | (pEnv)->CallVoidMethod( pECWFile, \ |
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302 | pGlobalJNCSFieldIDs->jIDRefreshUpdateMethod, \ |
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303 | pViewInfo->nSizeX, pViewInfo->nSizeY, \ |
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304 | pViewInfo->fTopX, pViewInfo->fLeftY, \ |
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305 | pViewInfo->fBottomX, pViewInfo->fRightY); |
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306 | } |
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307 | else {
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308 | NCSJNIThrowException(pEnv, "java/lang/ClassNotFoundException", "'refreshUpdate' method not found. Derived classes must implement the interface 'JNCSProgressiveUpdate' to use progressive imagery."); |
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309 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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310 | return NCSECW_READ_FAILED;
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311 | } |
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312 | |||
313 | (pJavaVirtualMachineInst)->DetachCurrentThread(); |
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314 | |||
315 | return NCSECW_READ_OK;
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316 | } |
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317 | |||
318 | |||
319 | /**
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320 | *
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321 | */
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322 | int openFile(JNIEnv *pEnv, jobject *JNCSFile, jstring Filename, char *pFilename, jboolean bProgressive, NCSFileViewSetInfo *pNCSFileViewSetInfo, NCSFileView *pNCSFileView){ |
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323 | NCSError nError; |
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324 | |||
325 | if (bProgressive) {
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326 | nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback);
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327 | } |
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328 | else {
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329 | nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL); |
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330 | } |
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331 | |||
332 | |||
333 | if (NCS_FAILED(nError)) {
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334 | // Return the short filename, since people dont like diplaying the full ecwp url
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335 | char *pProtocol, *pHost, *pECWFilename, *pShortFileName;
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336 | int nProtocolLength, nHostLength, nFilenameLength;
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337 | |||
338 | NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
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339 | &pHost, &nHostLength, |
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340 | &pECWFilename, &nFilenameLength); |
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341 | |||
342 | if (pECWFilename && nFilenameLength > 0 && (strstr(pECWFilename, "/") || strstr(pECWFilename, "\\"))) |
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343 | { |
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344 | int len = strlen(pECWFilename), index = 0; |
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345 | for (index=len; index > 0; index--) |
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346 | { |
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347 | pShortFileName = &pECWFilename[index]; |
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348 | if (pECWFilename[index] == '\\' || pECWFilename[index] == '/') |
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349 | { |
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350 | pShortFileName ++; |
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351 | break;
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352 | } |
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353 | } |
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354 | } |
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355 | else
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356 | { |
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357 | pShortFileName = (char *)pFilename;
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358 | } |
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359 | |||
360 | NCSFormatErrorText(NCS_FILE_OPEN_FAILED, pShortFileName, NCSGetLastErrorText(nError)); |
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361 | return NCS_FILE_OPEN_FAILED;
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362 | } |
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363 | else {
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364 | NCSJNIInfo *pJNIInfo = NULL;
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365 | char *pMimeType = NULL; |
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366 | NCSFileViewFileInfo *pNCSFileInfo = NULL;
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367 | |||
368 | nError = NCSCreateJNIInfoStruct(pEnv, (*JNCSFile), pNCSFileView, &pJNIInfo); |
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369 | NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo); |
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370 | |||
371 | // Set the properties in the actual Java object
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372 | (pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX ); |
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373 | (pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY ); |
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374 | (pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands); |
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375 | (pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate ); |
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376 | (pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX ); |
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377 | (pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY ); |
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378 | (pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits); |
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379 | (pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX ); |
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380 | (pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY ); |
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381 | (pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(pNCSFileInfo->szDatum)); |
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382 | (pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(pNCSFileInfo->szProjection)); |
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383 | (pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDFilename, Filename); |
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384 | (pEnv)->SetBooleanField((*JNCSFile), pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE); |
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385 | (pEnv)->SetLongField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo); |
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386 | } |
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387 | return NCS_SUCCESS;
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388 | } |
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389 | |||
390 | /*
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391 | * Class: com_ermapper_ecw_JNCSFile
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392 | * Method: ECWOpen
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393 | * Signature: (Ljava/lang/String;Z)I
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394 | */
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395 | |||
396 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWOpen |
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397 | (JNIEnv *pEnv, jobject JNCSFile, jstring Filename, jboolean bProgressive){ |
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398 | const char *pFilename = (pEnv)->GetStringUTFChars(Filename, (jboolean *)NULL); |
||
399 | NCSFileView *pNCSFileView = NULL;
|
||
400 | NCSFileViewSetInfo *pNCSFileViewSetInfo = NULL;
|
||
401 | int ret;
|
||
402 | |||
403 | ret = openFile(pEnv, &JNCSFile, Filename, (char *)pFilename, bProgressive, pNCSFileViewSetInfo, pNCSFileView);
|
||
404 | |||
405 | (pEnv)->ReleaseStringUTFChars(Filename, (const char *)pFilename); |
||
406 | |||
407 | NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo); |
||
408 | |||
409 | pNCSFileViewSetInfo->pClientData = (void *)(pEnv)->NewGlobalRef(JNCSFile);
|
||
410 | |||
411 | return ret;
|
||
412 | } |
||
413 | |||
414 | |||
415 | /*
|
||
416 | * Class: com_ermapper_ecw_JNCSFile
|
||
417 | * Method: ECWOpen
|
||
418 | * Signature: (Ljava/lang/String;Z)I
|
||
419 | */
|
||
420 | |||
421 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWOpenArray |
||
422 | (JNIEnv *pEnv, jobject JNCSFile, jstring Filename, jboolean bProgressive, jbyteArray pszF){ |
||
423 | |||
424 | NCSFileView *pNCSFileView = NULL;
|
||
425 | NCSFileViewSetInfo *pNCSFileViewSetInfo = NULL;
|
||
426 | int ret;
|
||
427 | jbyte *pFilename; |
||
428 | int longitud = 0; |
||
429 | NCSError nError; |
||
430 | |||
431 | longitud = (pEnv)->GetArrayLength(pszF); |
||
432 | pFilename = (pEnv)->GetByteArrayElements(pszF, 0);
|
||
433 | pFilename = (jbyte *)realloc(pFilename, longitud + 1);
|
||
434 | pFilename[longitud] = '\0';
|
||
435 | |||
436 | if (bProgressive) {
|
||
437 | nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback);
|
||
438 | }else {
|
||
439 | nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL); |
||
440 | } |
||
441 | |||
442 | |||
443 | if (NCS_FAILED(nError)) {
|
||
444 | // Return the short filename, since people dont like diplaying the full ecwp url
|
||
445 | char *pProtocol, *pHost, *pECWFilename, *pShortFileName;
|
||
446 | int nProtocolLength, nHostLength, nFilenameLength;
|
||
447 | |||
448 | NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
|
||
449 | &pHost, &nHostLength, |
||
450 | &pECWFilename, &nFilenameLength); |
||
451 | |||
452 | if (pECWFilename && nFilenameLength > 0 && (strstr(pECWFilename, "/") || strstr(pECWFilename, "\\"))) |
||
453 | { |
||
454 | int len = strlen(pECWFilename), index = 0; |
||
455 | for (index=len; index > 0; index--) |
||
456 | { |
||
457 | pShortFileName = &pECWFilename[index]; |
||
458 | if (pECWFilename[index] == '\\' || pECWFilename[index] == '/') |
||
459 | { |
||
460 | pShortFileName ++; |
||
461 | break;
|
||
462 | } |
||
463 | } |
||
464 | } |
||
465 | else
|
||
466 | { |
||
467 | pShortFileName = (char *)pFilename;
|
||
468 | } |
||
469 | |||
470 | NCSFormatErrorText(NCS_FILE_OPEN_FAILED, pShortFileName, NCSGetLastErrorText(nError)); |
||
471 | return NCS_FILE_OPEN_FAILED;
|
||
472 | } |
||
473 | else {
|
||
474 | NCSJNIInfo *pJNIInfo = NULL;
|
||
475 | char *pMimeType = NULL; |
||
476 | NCSFileViewFileInfo *pNCSFileInfo = NULL;
|
||
477 | |||
478 | nError = NCSCreateJNIInfoStruct(pEnv, JNCSFile, pNCSFileView, &pJNIInfo); |
||
479 | NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo); |
||
480 | |||
481 | // Set the properties in the actual Java object
|
||
482 | (pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX ); |
||
483 | (pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY ); |
||
484 | (pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands); |
||
485 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate ); |
||
486 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX ); |
||
487 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY ); |
||
488 | (pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits); |
||
489 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX ); |
||
490 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY ); |
||
491 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(pNCSFileInfo->szDatum)); |
||
492 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(pNCSFileInfo->szProjection)); |
||
493 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, Filename); |
||
494 | (pEnv)->SetBooleanField(JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE); |
||
495 | (pEnv)->SetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo); |
||
496 | |||
497 | } |
||
498 | |||
499 | |||
500 | //ret = openFile(pEnv, &JNCSFile, Filename, (char *)pszFilename, bProgressive, pNCSFileViewSetInfo, pNCSFileView);
|
||
501 | |||
502 | (pEnv)->ReleaseByteArrayElements(pszF,(jbyte *)pFilename, 0);
|
||
503 | |||
504 | NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo); |
||
505 | |||
506 | pNCSFileViewSetInfo->pClientData = (void *)(pEnv)->NewGlobalRef(JNCSFile);
|
||
507 | |||
508 | return NCS_SUCCESS;
|
||
509 | } |
||
510 | |||
511 | |||
512 | /*
|
||
513 | * Class: com_ermapper_ecw_JNCSFile
|
||
514 | * Method: ECWClose
|
||
515 | * Signature: (Z)V
|
||
516 | */
|
||
517 | JNIEXPORT void JNICALL Java_com_ermapper_ecw_JNCSFile_ECWClose
|
||
518 | (JNIEnv *pEnv , jobject JNCSFile, jboolean bFreeCache) |
||
519 | { |
||
520 | NCSError nError; |
||
521 | NCSJNIInfo *pJNIInfo = NULL;
|
||
522 | |||
523 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
||
524 | |||
525 | if (pJNIInfo != NULL) { |
||
526 | NCSFileViewSetInfo *pViewInfo; |
||
527 | |||
528 | NCScbmGetViewInfo(pJNIInfo->pFileView, &pViewInfo); |
||
529 | |||
530 | // Clear the Java object members.
|
||
531 | (pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)0 );
|
||
532 | (pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)0 );
|
||
533 | (pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)0);
|
||
534 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)0.0 ); |
||
535 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)0.0 ); |
||
536 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)0.0 ); |
||
537 | (pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)0 );
|
||
538 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)0.0 ); |
||
539 | (pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)0.0 ); |
||
540 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(""));
|
||
541 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(""));
|
||
542 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, NULL);
|
||
543 | (pEnv)->SetBooleanField(JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_FALSE); |
||
544 | (pEnv)->SetLongField (JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)0);
|
||
545 | |||
546 | (pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDFileType, (jint)0 );
|
||
547 | (pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFileMimeType, NULL );
|
||
548 | |||
549 | // Clean up any global refs
|
||
550 | //(pEnv)->DeleteGlobalRef(pJNIInfo->ECWFile);
|
||
551 | (pEnv)->DeleteGlobalRef((jobject)pViewInfo->pClientData); |
||
552 | |||
553 | nError = NCScbmCloseFileViewEx(pJNIInfo->pFileView, bFreeCache); |
||
554 | |||
555 | pJNIInfo->pFileView = NULL;
|
||
556 | NCSFree(pJNIInfo); |
||
557 | } |
||
558 | return;
|
||
559 | } |
||
560 | |||
561 | /*
|
||
562 | * Class: com_ermapper_ecw_JNCSFile
|
||
563 | * Method: ECWSetView
|
||
564 | * Signature: (I[IIIIIDDDDII)I
|
||
565 | */
|
||
566 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWSetView |
||
567 | (JNIEnv *pEnv, jobject ECWFile, jint nBands, jintArray nBandList, jint nDatasetTLX, jint nDatasetTLY, jint nDatasetBRX, jint nDatasetBRY, jdouble dWorldTLX, jdouble dWorldTLY, jdouble dWorldBRX, jdouble dWorldBRY, jint nWidth, jint nHeight) |
||
568 | { |
||
569 | NCSError nError = NCS_SUCCESS; |
||
570 | NCSJNIInfo *pJNIInfo = NULL;
|
||
571 | |||
572 | // Sanity check
|
||
573 | if ((pEnv)->IsInstanceOf(ECWFile, (pEnv)->FindClass("com/ermapper/ecw/JNCSFile")) == JNI_FALSE) |
||
574 | { |
||
575 | #ifdef WIN32
|
||
576 | MessageBox(NULL, OS_STRING("ECWSetView() error : object is not a JNCSFile instance"), TEXT("JNCSClass Library (JNI)"), MB_OK); |
||
577 | #endif //WIN32 |
||
578 | return NCS_JNI_ERROR;
|
||
579 | } |
||
580 | |||
581 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(ECWFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
||
582 | |||
583 | if (pJNIInfo) {
|
||
584 | |||
585 | jint *pBandBuffer = (jint *)NCSMalloc(sizeof(UINT32)*nBands+1, TRUE); |
||
586 | (pEnv)->GetIntArrayRegion(nBandList, 0, nBands, pBandBuffer);
|
||
587 | |||
588 | nError = NCScbmSetFileViewEx( pJNIInfo->pFileView, |
||
589 | nBands, |
||
590 | (UINT32*)pBandBuffer, |
||
591 | nDatasetTLX, nDatasetTLY, nDatasetBRX, nDatasetBRY, |
||
592 | nWidth, |
||
593 | nHeight, |
||
594 | dWorldTLX, |
||
595 | dWorldTLY, |
||
596 | dWorldBRX, |
||
597 | dWorldBRY); |
||
598 | NCSFree(pBandBuffer); |
||
599 | |||
600 | } else {
|
||
601 | NCSFormatErrorText(NCS_JNI_ERROR, "method SetView() could not get native data from JNCSFile object.");
|
||
602 | nError = NCS_JNI_ERROR; |
||
603 | } |
||
604 | |||
605 | return nError;
|
||
606 | } |
||
607 | |||
608 | |||
609 | /*
|
||
610 | * Class: com_ermapper_ecw_JNCSFile
|
||
611 | * Method: ECWReadImageRGBA
|
||
612 | * Signature: ([I)I
|
||
613 | */
|
||
614 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWReadImageRGBA |
||
615 | (JNIEnv *pEnv, jobject JNCSFile, jintArray pRGBArray, jint width, jint height) |
||
616 | { |
||
617 | jboolean bIsCopy; |
||
618 | NCSEcwReadStatus eStatus; |
||
619 | NCSJNIInfo *pJNIInfo = NULL;
|
||
620 | NCSError nError = NCS_SUCCESS; |
||
621 | jint *pRGBAPixels; |
||
622 | jint *pRGBLineArrayPtr = NULL;
|
||
623 | int nIndex;
|
||
624 | |||
625 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
||
626 | |||
627 | if (!pJNIInfo) {
|
||
628 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not get native data from JNCSFile object.");
|
||
629 | nError = NCS_JNI_ERROR; |
||
630 | } |
||
631 | else {
|
||
632 | // Lock the primitive array and get a pointer to the memory.
|
||
633 | pRGBAPixels = (jint *)(pEnv)->GetPrimitiveArrayCritical(pRGBArray, &bIsCopy); |
||
634 | |||
635 | if (pRGBAPixels) {
|
||
636 | |||
637 | pRGBLineArrayPtr = pRGBAPixels; |
||
638 | for (nIndex = 0; nIndex < height; nIndex ++) { |
||
639 | #if defined(NCSBO_LSBFIRST)
|
||
640 | eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr); |
||
641 | #elif defined(NCSBO_MSBFIRST)
|
||
642 | eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr); |
||
643 | //eStatus = NCScbmReadViewLineRGBA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr);
|
||
644 | #endif
|
||
645 | pRGBLineArrayPtr += width; |
||
646 | |||
647 | if (eStatus == NCSECW_READ_CANCELLED) {
|
||
648 | nError = NCS_SUCCESS; |
||
649 | break;
|
||
650 | } |
||
651 | if (eStatus == NCSECW_READ_FAILED) {
|
||
652 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() failed (internal error).");
|
||
653 | nError = NCS_JNI_ERROR; |
||
654 | break;
|
||
655 | } |
||
656 | #ifndef WIN32
|
||
657 | NCSThreadYield(); |
||
658 | #endif
|
||
659 | } |
||
660 | } |
||
661 | else {
|
||
662 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not allocate memory for RGB Array.");
|
||
663 | nError = NCS_JNI_ERROR; |
||
664 | } |
||
665 | // Copy the array back to the object and free the memory
|
||
666 | (pEnv)->ReleasePrimitiveArrayCritical(pRGBArray, pRGBAPixels, 0);
|
||
667 | } |
||
668 | return nError;
|
||
669 | } |
||
670 | |||
671 | |||
672 | /*
|
||
673 | * Class: com_ermapper_ecw_JNCSFile
|
||
674 | * Method: ECWReadLineRGB
|
||
675 | * Signature: ([I)I
|
||
676 | */
|
||
677 | |||
678 | JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWReadLineRGBA |
||
679 | (JNIEnv *pEnv, jobject JNCSFile, jintArray pRGBArray) |
||
680 | { |
||
681 | jboolean bIsCopy; |
||
682 | NCSEcwReadStatus eStatus; |
||
683 | NCSJNIInfo *pJNIInfo = NULL;
|
||
684 | NCSError nError = NCS_SUCCESS; |
||
685 | jint *pRGBAPixels; |
||
686 | |||
687 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
||
688 | |||
689 | if (!pJNIInfo) {
|
||
690 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not get native data from JNCSFile object.");
|
||
691 | nError = NCS_JNI_ERROR; |
||
692 | } |
||
693 | else {
|
||
694 | // Lock the primitive array and get a pointer to the memory.
|
||
695 | pRGBAPixels = (jint *)(pEnv)->GetPrimitiveArrayCritical(pRGBArray, &bIsCopy); |
||
696 | |||
697 | if (pRGBAPixels) {
|
||
698 | // Read into a RGBA Java scaneline (which is byte reversed, so go the BGRA here (???)
|
||
699 | eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBAPixels); |
||
700 | |||
701 | if (eStatus == NCSECW_READ_FAILED) {
|
||
702 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() failed (internal error).");
|
||
703 | nError = NCS_JNI_ERROR; |
||
704 | } |
||
705 | } |
||
706 | else {
|
||
707 | NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not allocate memory for RGB Array.");
|
||
708 | nError = NCS_JNI_ERROR; |
||
709 | } |
||
710 | // Copy the array back to the object and free the memory
|
||
711 | (pEnv)->ReleasePrimitiveArrayCritical(pRGBArray, pRGBAPixels, 0);
|
||
712 | } |
||
713 | return nError;
|
||
714 | } |
||
715 | |||
716 | /*
|
||
717 | * Class: com_ermapper_ecw_JNCSFile
|
||
718 | * Method: ECWGetErrorString
|
||
719 | * Signature: (I)Ljava/lang/String;
|
||
720 | */
|
||
721 | JNIEXPORT jstring JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetErrorString |
||
722 | (JNIEnv *pEnv, jobject JNCSFile, jint nErrorNumber) |
||
723 | { |
||
724 | //return (*pEnv)->NewStringUTF(pEnv, NCSGetLastErrorText(nErrorNumber));
|
||
725 | |||
726 | return (pEnv)->NewStringUTF("...."); |
||
727 | } |
||
728 | |||
729 | |||
730 | /*
|
||
731 | * Class: com_ermapper_ecw_JNCSFile
|
||
732 | * Method: ECWGetLibVersion
|
||
733 | * Signature: ()Ljava/lang/String;
|
||
734 | */
|
||
735 | JNIEXPORT jstring JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetLibVersion |
||
736 | (JNIEnv *pEnv, jclass clazz) |
||
737 | { |
||
738 | return (pEnv)->NewStringUTF(NCS_VERSION_STRING_NO_NULL);
|
||
739 | } |
||
740 | |||
741 | /*
|
||
742 | * Class: com_ermapper_ecw_JNCSFile
|
||
743 | * Method: ECWGetPercentComplete
|
||
744 | * Signature: ()I
|
||
745 | */
|
||
746 | |||
747 | JNIEXPORT jshort JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetPercentComplete |
||
748 | (JNIEnv *pEnv, jobject JNCSFile) |
||
749 | |||
750 | { |
||
751 | NCSFileViewSetInfo *pViewInfo = NULL;
|
||
752 | NCSJNIInfo *pJNIInfo = NULL;
|
||
753 | |||
754 | pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
||
755 | |||
756 | if (!pJNIInfo)
|
||
757 | return 0; |
||
758 | |||
759 | if (pJNIInfo->pFileView) {
|
||
760 | NCScbmGetViewInfo(pJNIInfo->pFileView, &pViewInfo); |
||
761 | if (pViewInfo) {
|
||
762 | return (jshort)((pViewInfo->nBlocksAvailable / (double)pViewInfo->nBlocksInView) * 100); |
||
763 | } |
||
764 | } |
||
765 | else {
|
||
766 | return 0; |
||
767 | } |
||
768 | |||
769 | return 0; |
||
770 | } |