/*

* strut.c - strut management

*

* Copyright © 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 2 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, write to the Free Software Foundation, Inc.,

* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

*

*/

#include "strut.h"

#include "luaa.h"

#include "math.h"

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

* \param L The Lua VM state.

* \param strut The strut to push.

* \return The number of elements pushed on stack.

*/

int

luaA_pushstrut(lua_State *L, strut_t strut)

{

lua_createtable(L, 4, 0);

lua_pushinteger(L, strut.left);

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

lua_pushinteger(L, strut.right);

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

lua_pushinteger(L, strut.top);

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

lua_pushinteger(L, strut.bottom);

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

return 1;

}

/** Convert a table to a strut_t structure.

* \param L The Lua VM state.

* \param idx The index of the table on the stack.

* \param strut The strut to fill. Current values will be used as default.

*/

void

luaA_tostrut(lua_State *L, int idx, strut_t *strut)

{

luaA_checktable(L, idx);

strut->left = ceil(luaA_getopt_number_range(L, idx, "left", strut->left, 0, UINT16_MAX));

strut->right = ceil(luaA_getopt_number_range(L, idx, "right", strut->right, 0, UINT16_MAX));

strut->top = ceil(luaA_getopt_number_range(L, idx, "top", strut->top, 0, UINT16_MAX));

strut->bottom = ceil(luaA_getopt_number_range(L, idx, "bottom", strut->bottom, 0, UINT16_MAX));

}

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