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Neatened l_graphics_setCanvas and _setFont()

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rxi
2014-06-14 16:09:24 +01:00
parent 01e09e3294
commit ac6c57220e
1 changed files with 8 additions and 16 deletions
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24
src/graphics.c
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@@ -130,18 +130,14 @@ int l_graphics_getFont(lua_State *L) {
int l_graphics_setFont(lua_State *L) {
font_t *oldFont = graphics_font;
int argIdx = 1;
if (lua_isnoneornil(L, 1)) {
/* If no arguments are given we use the default embedded font, grab it
* from the registry and get its index */
graphics_font = graphics_defaultFont;
* from the registry and set it as the first argument */
lua_pushlightuserdata(L, &graphics_defaultFont);
lua_gettable(L, LUA_REGISTRYINDEX);
argIdx = lua_absindex(L, -1);
} else {
/* Set argument font */
graphics_font = luaobj_checkudata(L, 1, LUAOBJ_TYPE_FONT);
lua_insert(L, 1);
}
graphics_font = luaobj_checkudata(L, 1, LUAOBJ_TYPE_FONT);
/* Remove old font from registry. This is done after we know the args are
* so that the font remains unchanged if an error occurs */
if (oldFont) {
@@ -151,7 +147,7 @@ int l_graphics_setFont(lua_State *L) {
}
/* Add new font to registry */
lua_pushlightuserdata(L, graphics_font);
lua_pushvalue(L, argIdx);
lua_pushvalue(L, 1);
lua_settable(L, LUA_REGISTRYINDEX);
return 0;
}
@@ -166,18 +162,14 @@ int l_graphics_getCanvas(lua_State *L) {
int l_graphics_setCanvas(lua_State *L) {
image_t *oldCanvas = graphics_canvas;
int argIdx = 1;
if (lua_isnoneornil(L, 1)) {
/* If no arguments are given we use the screen canvas, grab it from the
* registry and get its index */
graphics_canvas = graphics_screen;
lua_pushlightuserdata(L, &graphics_screen);
lua_gettable(L, LUA_REGISTRYINDEX);
argIdx = lua_absindex(L, -1);
} else {
/* Set argument canvas */
graphics_canvas = luaobj_checkudata(L, 1, LUAOBJ_TYPE_IMAGE);
}
lua_insert(L, 1);
}
graphics_canvas = luaobj_checkudata(L, 1, LUAOBJ_TYPE_IMAGE);
/* Remove old canvas from registry. This is done after we know the args are
* so that the canvas remains unchanged if an error occurs */
if (oldCanvas) {
@@ -187,7 +179,7 @@ int l_graphics_setCanvas(lua_State *L) {
}
/* Add new canvas to registry */
lua_pushlightuserdata(L, graphics_canvas);
lua_pushvalue(L, argIdx);
lua_pushvalue(L, 1);
lua_settable(L, LUA_REGISTRYINDEX);
return 0;
}