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