/* dzl-graph-renderer.c

 *

 * Copyright (C) 2015 Christian Hergert <christian@hergert.me>

 *

 * This file is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 3 of the

 * License, or (at your option) any later version.

 *

 * This file is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include <cairo.h>

#include "dzl-graph-renderer.h"

G_DEFINE_INTERFACE (DzlGraphRenderer, dzl_graph_view_renderer, G_TYPE_OBJECT)

static void

dummy_render (DzlGraphRenderer                  *renderer,

              DzlGraphModel                     *table,

              gint64                       x_begin,

              gint64                       x_end,

              gdouble                      y_begin,

              gdouble                      y_end,

              cairo_t                     *cr,

              const cairo_rectangle_int_t *area)

{

}

static void

dzl_graph_view_renderer_default_init (DzlGraphRendererInterface *iface)

{

  iface->render = dummy_render;

}

void

dzl_graph_view_renderer_render (DzlGraphRenderer                  *self,

                                DzlGraphModel                     *table,

                                gint64                       x_begin,

                                gint64                       x_end,

                                gdouble                      y_begin,

                                gdouble                      y_end,

                                cairo_t                     *cr,

                                const cairo_rectangle_int_t *area)

{

  g_return_if_fail (DZL_IS_GRAPH_RENDERER (self));

  g_return_if_fail (cr != NULL);

  g_return_if_fail (area != NULL);

  DZL_GRAPH_RENDERER_GET_IFACE (self)->render (self, table, x_begin, x_end, y_begin, y_end, cr, area);

}