98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
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/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains implementation of graph canvas object
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**************************************************************************
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*
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* LADI Session Handler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* LADI Session Handler is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdlib.h>
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#include "graph_canvas.h"
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struct graph_canvas
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{
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graph_handle graph;
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canvas_handle canvas;
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};
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bool
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graph_canvas_create(
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int width,
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int height,
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graph_canvas_handle * graph_canvas_handle_ptr)
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{
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struct graph_canvas * graph_canvas_ptr;
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graph_canvas_ptr = malloc(sizeof(struct graph_canvas));
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if (graph_canvas_ptr == NULL)
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{
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return false;
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}
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if (!canvas_create(width, height, &graph_canvas_ptr->canvas))
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{
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free(graph_canvas_ptr);
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return false;
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}
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graph_canvas_ptr->graph = NULL;
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*graph_canvas_handle_ptr = (graph_canvas_handle)graph_canvas_ptr;
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return true;
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}
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#define graph_canvas_ptr ((struct graph_canvas *)graph_canvas)
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void
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graph_canvas_destroy(
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graph_canvas_handle graph_canvas)
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{
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if (graph_canvas_ptr->graph != NULL)
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{
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graph_canvas_detach(graph_canvas);
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}
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free(graph_canvas_ptr);
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}
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bool
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graph_canvas_attach(
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graph_canvas_handle graph_canvas,
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graph_handle graph)
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{
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return false;
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}
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void
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graph_canvas_detach(
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graph_canvas_handle graph_canvas)
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{
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}
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canvas_handle
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graph_canvas_get_canvas(
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graph_canvas_handle graph_canvas)
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{
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return graph_canvas_ptr->canvas;
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}
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