svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libjni-gdal-macosx / src / colortable_interfaz.c @ 25798
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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 | } |