1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
------------------------------------------------------------------------------
-- ImageRGBA class
------------------------------------------------------------------------------
local ctrl = {
nick = "imagergba",
parent = iup.WIDGET,
creation = "nns", -- fake definition
funcname = "ImageRGBA",
callback = {},
createfunc = [[
static int ImageRGBA(lua_State *L)
{
int w = luaL_checkint(L, 1);
int h = luaL_checkint(L, 2);
unsigned char *pixels = iuplua_checkuchar_array(L, 3, w*h*4);
Ihandle *ih = IupImageRGBA(w, h, pixels);
iuplua_plugstate(L, ih);
iuplua_pushihandle_raw(L, ih);
free(pixels);
return 1;
}
]]
}
function ctrl.createElement(class, param)
return iup.ImageRGBA(param.width, param.height, param.pixels)
end
iup.RegisterWidget(ctrl)
iup.SetClass(ctrl, "iup widget")
|
