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#include "api.h"
#include "renderer.h"
#include "rencache.h"
static int f_load(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
float size = luaL_checknumber(L, 2);
RenFont **self = lua_newuserdata(L, sizeof(*self));
luaL_setmetatable(L, API_TYPE_FONT);
*self = ren_load_font(filename, size);
if (!*self) { luaL_error(L, "failed to load font"); }
return 1;
}
static int f_set_tab_width(lua_State *L) {
RenFont **self = luaL_checkudata(L, 1, API_TYPE_FONT);
int n = luaL_checknumber(L, 2);
ren_set_font_tab_width(*self, n);
return 0;
}
static int f_gc(lua_State *L) {
RenFont **self = luaL_checkudata(L, 1, API_TYPE_FONT);
if (*self) { rencache_free_font(*self); }
return 0;
}
static int f_get_width(lua_State *L) {
RenFont **self = luaL_checkudata(L, 1, API_TYPE_FONT);
const char *text = luaL_checkstring(L, 2);
lua_pushnumber(L, ren_get_font_width(*self, text) );
return 1;
}
static int f_get_height(lua_State *L) {
RenFont **self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_get_font_height(*self) );
return 1;
}
static const luaL_Reg lib[] = {
{ "__gc", f_gc },
{ "load", f_load },
{ "set_tab_width", f_set_tab_width },
{ "get_width", f_get_width },
{ "get_height", f_get_height },
{ NULL, NULL }
};
int luaopen_renderer_font(lua_State *L) {
luaL_newmetatable(L, API_TYPE_FONT);
luaL_setfuncs(L, lib, 0);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
return 1;
}
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