svn-gvsig-desktop / tags / gvsig_topologia-0_1_0-1234 / libraries / libjni-gdal-macosx / src / colortable_interfaz.c @ 44116
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1 | 8219 | nacho | /**********************************************************************
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2 | * $Id$
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3 | *
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4 | * Name: colortable_interfaz.c
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5 | * Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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6 | * Purpose: Color table
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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 | |||
29 | #include <jni.h> |
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30 | #include "es_gva_cit_jgdal_GdalRasterBand.h" |
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31 | #include "es_gva_cit_jgdal_JNIBase.h" |
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32 | #include "gdal.h" |
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33 | #include "cpl_string.h" |
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34 | |||
35 | /******************************************************************************/
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36 | // GetColorEntryCount
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37 | /******************************************************************************/
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38 | |||
39 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_GdalColorTable_getColorEntryCountNat |
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40 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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41 | GDALColorTableH *hTable = (GDALColorTableH *) 0 ;
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42 | int res = -1; |
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43 | |||
44 | hTable = *(GDALColorTableH **)&cPtr; |
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45 | |||
46 | if(hTable != NULL) |
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47 | res = GDALGetColorEntryCount(hTable); |
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48 | |||
49 | return res;
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50 | } |
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51 | |||
52 | /******************************************************************************/
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53 | // GetColorEntryAsRGB
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54 | /******************************************************************************/
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55 | |||
56 | JNIEXPORT jshortArray JNICALL Java_es_gva_cit_jgdal_GdalColorTable_getColorEntryAsRGBNat |
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57 | (JNIEnv *env, jobject obj, jlong cPtr, jint pos){ |
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58 | short entryValues[4]; |
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59 | GDALColorEntry sEntry; |
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60 | jshortArray shortarray; |
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61 | GDALColorTableH *hTable = (GDALColorTableH *) 0 ;
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62 | |||
63 | hTable = *(GDALColorTableH **)&cPtr; |
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64 | |||
65 | if(hTable != NULL){ |
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66 | GDALGetColorEntryAsRGB( hTable, (int)pos, &sEntry );
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67 | entryValues[0] = sEntry.c1;
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68 | entryValues[1] = sEntry.c2;
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69 | entryValues[2] = sEntry.c3;
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70 | entryValues[3] = sEntry.c4;
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71 | |||
72 | shortarray = (*env)->NewShortArray(env, 4);
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73 | (*env)->SetShortArrayRegion(env, shortarray, 0, 4,(jshort *)entryValues); |
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74 | return shortarray;
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75 | } |
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76 | return NULL; |
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77 | } |