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/*
* Copyright (C) 2010-2013 Jiri Techet <techet@gmail.com>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:champlain-renderer
* @short_description: A base class of renderers
*
* A renderer is used to render tiles textures. A tile is rendered based on
* the provided data - this can be arbitrary data the given renderer understands
* (e.g. raw bitmap data, vector xml map representation and so on).
*/
#include "champlain-renderer.h"
G_DEFINE_TYPE (ChamplainRenderer, champlain_renderer, G_TYPE_INITIALLY_UNOWNED)
static void
champlain_renderer_dispose (GObject *object)
{
G_OBJECT_CLASS (champlain_renderer_parent_class)->dispose (object);
}
static void
champlain_renderer_finalize (GObject *object)
{
G_OBJECT_CLASS (champlain_renderer_parent_class)->finalize (object);
}
static void
champlain_renderer_class_init (ChamplainRendererClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = champlain_renderer_finalize;
object_class->dispose = champlain_renderer_dispose;
klass->set_data = NULL;
klass->render = NULL;
}
/**
* champlain_renderer_set_data:
* @renderer: a #ChamplainRenderer
* @data: (array length=size): data used for tile rendering
* @size: size of the data in bytes
*
* Sets the data which is used to render tiles by the renderer.
*
* Since: 0.8
*/
void
champlain_renderer_set_data (ChamplainRenderer *renderer,
const guint8 *data,
guint size)
{
g_return_if_fail (CHAMPLAIN_IS_RENDERER (renderer));
CHAMPLAIN_RENDERER_GET_CLASS (renderer)->set_data (renderer, data, size);
}
/**
* champlain_renderer_render:
* @renderer: a #ChamplainRenderer
* @tile: the tile to render
*
* Renders the texture for the provided tile and calls champlain_tile_set_content()
* to set the content of the tile. When the rendering is finished, the renderer
* emits the #ChamplainTile::render-complete signal. The tile has to be displayed manually by
* calling champlain_tile_display_content().
*
* Since: 0.8
*/
void
champlain_renderer_render (ChamplainRenderer *renderer,
ChamplainTile *tile)
{
g_return_if_fail (CHAMPLAIN_IS_RENDERER (renderer));
CHAMPLAIN_RENDERER_GET_CLASS (renderer)->render (renderer, tile);
}
static void
champlain_renderer_init (ChamplainRenderer *self)
{
}
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