/* * image.c - image object * * Copyright © 2008 Julien Danjou * * 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 "structs.h" #include "image.h" extern awesome_t globalconf; DO_LUA_NEW(static, image_t, image, "image", image_ref) DO_LUA_GC(image_t, image, "image", image_unref) DO_LUA_EQ(image_t, image, "image") /** Create a new image object. * \param L The Lua stack. * \return The number of elements pushed on stack. * \luastack * \lparam The image path. * \lreturn An image object. */ static int luaA_image_new(lua_State *L) { const char *filename = luaL_checkstring(L, 2); draw_image_t *dimg; if((dimg = draw_image_new(filename))) { image_t *image = p_new(image_t, 1); image->image = dimg; return luaA_image_userdata_new(L, image); } return 0; } /** Return a formated string for an image. * \param L The Lua VM state. * \luastack * \lvalue An image. * \lreturn A string. */ static int luaA_image_tostring(lua_State *L) { image_t **p = luaA_checkudata(L, 1, "image"); lua_pushfstring(L, "[image udata(%p) width(%d) height(%d)]", *p, (*p)->image->width, (*p)->image->height); return 1; } const struct luaL_reg awesome_image_methods[] = { { "__call", luaA_image_new }, { NULL, NULL } }; const struct luaL_reg awesome_image_meta[] = { { "__gc", luaA_image_gc }, { "__eq", luaA_image_eq }, { "__tostring", luaA_image_tostring }, { NULL, NULL } }; // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80