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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkJavaUtil.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/

#ifndef vtkJavaUtil_h
#define vtkJavaUtil_h

#include "vtkSystemIncludes.h"
#include <jni.h>
#include "vtkCommand.h"
#include "vtkWrappingJavaModule.h"

#include <string>

extern VTKWRAPPINGJAVA_EXPORT jlong q(JNIEnv *env,jobject obj);

extern VTKWRAPPINGJAVA_EXPORT void *vtkJavaGetPointerFromObject(JNIEnv *env,jobject obj);
extern VTKWRAPPINGJAVA_EXPORT char *vtkJavaUTFToChar(JNIEnv *env, jstring in);
extern VTKWRAPPINGJAVA_EXPORT bool vtkJavaUTFToString(JNIEnv *env, jstring in, std::string &out);
extern VTKWRAPPINGJAVA_EXPORT jstring vtkJavaMakeJavaString(JNIEnv *env, const char *in);

extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfFloatFromFloat(JNIEnv *env,
             float *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfDoubleFromFloat(JNIEnv *env,
             float *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfDoubleFromDouble(JNIEnv *env,
              double *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfShortFromShort(JNIEnv *env, short *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfIntFromInt(JNIEnv *env, int *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfIntFromIdType(JNIEnv *env, vtkIdType *arr, int size);
#if defined(VTK_TYPE_USE_LONG_LONG)
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfIntFromLongLong(JNIEnv *env, long long *arr, int size);
#endif
#if defined(VTK_TYPE_USE___INT64)
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfIntFrom__Int64(JNIEnv *env, __int64 *arr, int size);
#endif
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfIntFromSignedChar(JNIEnv *env, signed char *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfLongFromLong(JNIEnv *env, long *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfByteFromUnsignedChar(JNIEnv *env, unsigned char *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfByteFromChar(JNIEnv *env, char *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfCharFromChar(JNIEnv *env, char *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfUnsignedCharFromUnsignedChar(JNIEnv *env, unsigned char *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfUnsignedIntFromUnsignedInt(JNIEnv *env, unsigned int *arr, int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfUnsignedShortFromUnsignedShort(JNIEnv *env,unsigned short *ptr,int size);
extern VTKWRAPPINGJAVA_EXPORT jarray vtkJavaMakeJArrayOfUnsignedLongFromUnsignedLong(JNIEnv *env, unsigned long *arr, int size);

// this is the void pointer parameter passed to the vtk callback routines on
// behalf of the Java interface for callbacks.
struct vtkJavaVoidFuncArg
{
  JavaVM *vm;
  jobject  uobj;
  jmethodID mid;
} ;

extern VTKWRAPPINGJAVA_EXPORT void vtkJavaVoidFunc(void *);
extern VTKWRAPPINGJAVA_EXPORT void vtkJavaVoidFuncArgDelete(void *);

class VTKWRAPPINGJAVA_EXPORT vtkJavaCommand : public vtkCommand
{
public:
  static vtkJavaCommand *New() { return new vtkJavaCommand; };

  void SetGlobalRef(jobject obj) { this->uobj = obj; };
  void SetMethodID(jmethodID id) { this->mid = id; };
  void AssignJavaVM(JNIEnv *env) { env->GetJavaVM(&(this->vm)); };

  void Execute(vtkObject *, unsigned long, void *);

  JavaVM *vm;
  jobject  uobj;
  jmethodID mid;
protected:
  vtkJavaCommand();
  ~vtkJavaCommand();
};

#endif
// VTK-HeaderTest-Exclude: vtkJavaUtil.h