| gvSIG desktop 1

#include "MrSIDImageReader.h"

//					 				readScene

/******************************************************************************/

JNIEXPORT void JNICALL Java_es_gva_cit_jmrsid_LTIImageStage_readSceneNat(

	JNIEnv *env, 

  	jobject obj, 

  	jlong cPtr, 

  	jdouble x, 

  	jdouble y, 

  	jdouble w, 

  	jdouble h, 

  	jdouble mag,

  	jlong cPtrReader,

  	jint wImg, 

  	jint hImg, 

  	jboolean flag,

  	jobject objbuf) {

  	MrSIDImageReader *img  = NULL;

  	jclass class_mrsidbuffer;

  	jfieldID id_b1, id_b2, id_b3, fid;

  	jbyteArray jvect_byte1, jvect_byte2, jvect_byte3;

  	int size;

  	t_buffer *str_buffer = (t_buffer*)malloc(sizeof(t_buffer));

  	img = *(MrSIDImageReader **)&cPtrReader;

  	const LTIScene scene(x, y, w, h, mag);

  	//Creamos el buffer

  	str_buffer->siz = wImg * hImg;

	str_buffer->membuf = new lt_uint8[str_buffer->siz * 3];

	str_buffer->bufs[0] = str_buffer->membuf;

	str_buffer->bufs[1] = str_buffer->membuf + str_buffer->siz;

	str_buffer->bufs[2] = str_buffer->membuf + str_buffer->siz * 2;

  	LTISceneBuffer buffer(img->getPixelProps(), wImg, hImg, str_buffer->bufs);

  	int res = img->read(scene, buffer);

  	class_mrsidbuffer = env->GetObjectClass(objbuf);

  	id_b1 = env->GetFieldID(class_mrsidbuffer, "buf1", "[B");

	jvect_byte1 = env->NewByteArray(str_buffer->siz);

	env->SetByteArrayRegion(jvect_byte1, 0, str_buffer->siz,(jbyte *)str_buffer->bufs[0]); 

	env->SetObjectField(objbuf, id_b1, jvect_byte1);

  	id_b2 = env->GetFieldID( class_mrsidbuffer, "buf2", "[B");

  	jvect_byte2 = env->NewByteArray(str_buffer->siz);

  	env->SetByteArrayRegion(jvect_byte2, 0, str_buffer->siz,(jbyte *)str_buffer->bufs[1]); 

	env->SetObjectField(objbuf, id_b2, jvect_byte2);

  	id_b3 = env->GetFieldID( class_mrsidbuffer, "buf3", "[B");

  	jvect_byte3 = env->NewByteArray(str_buffer->siz);

  	env->SetByteArrayRegion(jvect_byte3, 0, str_buffer->siz,(jbyte *)str_buffer->bufs[2]); 

	env->SetObjectField(objbuf, id_b3, jvect_byte3);

  	delete(str_buffer->membuf);

  	free(str_buffer);

  }

/******************************************************************************/