demos/c_simple/data_storage.c

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2014 Cyril Hrubis <metan@ucw.cz>                       *
  20  *                                                                           *
  21  *****************************************************************************/
  22
  23  /*
  24
  25    Data storage operations example.
  26
  27   */
  28
  29 #include <stdio.h>
  30
  31 #include <GP.h>
  32
  33 int main(void)
  34 {
  35         GP_DataStorage *storage = GP_DataStorageCreate();
  36         GP_DataNode *flags;
  37
  38         if (storage == NULL)
  39                 return 1;
  40
  41         printf("Empty storage -----------------------\n");
  42         GP_DataPrint(GP_DataStorageRoot(storage));
  43         printf("-------------------------------------\n\n");
  44
  45         GP_DataNode data = {
  46                 .type = GP_DATA_INT,
  47                 .value.i = 300,
  48                 .id = "dpi"
  49         };
  50
  51         GP_DataStorageAdd(storage, NULL, &data);
  52
  53         GP_DataStorageAddString(storage, NULL, "orientation", "top-down");
  54
  55         printf("Flat storage ------------------------\n");
  56         GP_DataPrint(GP_DataStorageRoot(storage));
  57         printf("-------------------------------------\n\n");
  58
  59         flags = GP_DataStorageAddDict(storage, NULL, "flags");
  60
  61         data.type = GP_DATA_INT;
  62         data.id = "compression_level";
  63         data.value.i = 10;
  64
  65         GP_DataStorageAdd(storage, flags, &data);
  66
  67         printf("Recursive storage -------------------\n");
  68         GP_DataPrint(GP_DataStorageRoot(storage));
  69         printf("-------------------------------------\n\n");
  70
  71         GP_DataPrint(GP_DataStorageGet(storage, NULL, "dpi"));
  72         GP_DataStorageDestroy(storage);
  73
  74         return 0;
  75 }