gui/graph_canvas.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains interface to graph canvas object
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #ifndef GRAPH_CANVAS_H__F145C6FA_633C_4E64_9117_ED301618B587__INCLUDED
  28 #define GRAPH_CANVAS_H__F145C6FA_633C_4E64_9117_ED301618B587__INCLUDED
  29
  30 #include "../graph_proxy.h"
  31 #include "canvas.h"
  32
  33 typedef struct graph_canvas_tag { int unused; } * graph_canvas_handle;
  34
  35 bool
  36 graph_canvas_create(
  37   int width,
  38   int height,
  39   graph_canvas_handle * graph_canvas_ptr);
  40
  41 void
  42 graph_canvas_destroy(
  43   graph_canvas_handle graph_canvas);
  44
  45 bool
  46 graph_canvas_attach(
  47   graph_canvas_handle graph_canvas,
  48   graph_proxy_handle graph);
  49
  50 void
  51 graph_canvas_detach(
  52   graph_canvas_handle graph_canvas);
  53
  54 canvas_handle
  55 graph_canvas_get_canvas(
  56   graph_canvas_handle graph_canvas);
  57
  58 #endif /* #ifndef GRAPH_CANVAS_H__F145C6FA_633C_4E64_9117_ED301618B587__INCLUDED */