Application: gvSIG desktop

/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

#include <jni.h>

#include <stdio.h>

#include <string.h>

#include "potrace_raster.h"

/**

 * Parte de jni para vectorizar un fichero de disco

 */

JNIEXPORT void JNICALL Java_org_gvsig_jpotrace_Potrace_vectorizeRasterNat(JNIEnv *env, jclass clase, jstring filein, jstring fileout) {

        const char *infile;

        const char *outfile;

        printf("potrace.c: Java_org_gvsig_jpotrace_Potrace_vectorizeRasterNat\n");

        infile = (*env)->GetStringUTFChars(env, filein, 0);

        outfile = (*env)->GetStringUTFChars(env, fileout, 0);

        printf("potrace.c: Filein: %s\n", infile);

        printf("potrace.c: Fileout: %s\n", outfile);

        vectorizar(infile, outfile);

        (*env)->ReleaseStringUTFChars(env, filein, infile);

        (*env)->ReleaseStringUTFChars(env, fileout, outfile);

}

/**

 * Parte de jni para vectorizar un buffer

 */

JNIEXPORT jdoubleArray JNICALL Java_org_gvsig_jpotrace_Potrace_vectorizeBufferRasterNat(JNIEnv *env, jclass clase, jintArray bufferIn, jint width, jint height) {

        int i;

        jint *cbufferIn;

        double *values;

        jsize size;

        jdoubleArray jvalues;

        cbufferIn = (*env)->GetIntArrayElements(env, bufferIn, NULL);

        values = vectorizarBuffer((long *) cbufferIn, width, height);

        size = (jsize) values[0];

        jvalues = (*env)->NewDoubleArray(env, size);

        (*env)->SetDoubleArrayRegion(env, jvalues, 0, size, values);

        (*env)->ReleaseIntArrayElements(env, bufferIn, cbufferIn, 0);

        return jvalues;

}