/*

* area.h - area definition

*

* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>

*

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

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation; either version 3 of the License, or

* (at your option) any later version.

*

* This program 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 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/>.

*

*/

#ifndef AWESOME_AREA_H

#define AWESOME_AREA_H

#include <stdint.h>

#include <lua.h>

typedef struct

{

/** Co-ords of upper left corner */

int16_t x;

int16_t y;

uint16_t width;

uint16_t height;

} area_t;

#define AREA_LEFT(a) ((a).x)

#define AREA_TOP(a) ((a).y)

#define AREA_RIGHT(a) ((a).x + (a).width)

#define AREA_BOTTOM(a) ((a).y + (a).height)

/** Push a area type to a table on stack.

* \param L The Lua VM state.

* \param geometry The area geometry to push.

* \return The number of elements pushed on stack.

*/

static inline int

luaA_pusharea(lua_State *L, area_t geometry)

{

lua_createtable(L, 0, 4);

lua_pushnumber(L, geometry.x);

lua_setfield(L, -2, "x");

lua_pushnumber(L, geometry.y);

lua_setfield(L, -2, "y");

lua_pushnumber(L, geometry.width);

lua_setfield(L, -2, "width");

lua_pushnumber(L, geometry.height);

lua_setfield(L, -2, "height");

return 1;

}

#endif

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