ref: e6eeeac8a1806daa0b6dc7b330fd25ac5d952c5c
parent: f343830a425bb978a6e78f50232f6ca947af72c2
author: phil9 <telephil9@gmail.com>
date: Sun Dec 4 11:43:14 EST 2022
fix color order in pixels access
--- a/pixels.c
+++ b/pixels.c
@@ -31,11 +31,11 @@
luaL_argcheck(L, 1 <= i && i <= (width*height), 2, "index out of range");
i = (i-1)*4;
lua_newtable(L);
- lua_pushinteger(L, p->data[i]);
+ lua_pushinteger(L, p->data[i+2]);
lua_setfield(L, -2, "r");
lua_pushinteger(L, p->data[i+1]);
lua_setfield(L, -2, "g");
- lua_pushinteger(L, p->data[i+2]);
+ lua_pushinteger(L, p->data[i+0]);
lua_setfield(L, -2, "b");
return 1;
}
@@ -61,9 +61,9 @@
lua_gettable(L, 3);
b = luaL_checkinteger(L, -1);
i = (i-1)*4;
- p->data[i + 0] = r;
+ p->data[i + 2] = r;
p->data[i + 1] = g;
- p->data[i + 2] = b;
+ p->data[i + 0] = b;
return 0;
}