1 files changed, 35 insertions, 0 deletions
diff --git a/test/lua/imagergb.wlua b/test/lua/imagergb.wlua
new file mode 100644
index 0000000..b7c6f11
--- /dev/null
+++ b/test/lua/imagergb.wlua
@@ -0,0 +1,35 @@
+require("iupcdaux") -- utility module used in some samples
+
+w = 100
+h = 100
+
+image_rgb = cd.CreateImageRGB(w, h)
+
+size = w * h
+i = 0
+while i < size do
+
+  if i < size/2 then
+    image_rgb.r[i] = 255
+    image_rgb.g[i] = 0
+    image_rgb.b[i] = 0
+  else
+    image_rgb.r[i] = 0
+    image_rgb.g[i] = 0
+    image_rgb.b[i] = 255
+  end
+
+  i = i + 1
+end
+
+dlg = iupcdaux.new_dialog(w, h)
+cnv = dlg[1]     -- retrieve the IUP canvas
+
+-- custom function used in action callback
+-- from the iupcdaux module
+function cnv:Draw(canvas)
+  canvas:PutImageRectRGB(image_rgb, 0, 0, w, h, 0, 0, 0, 0)
+end
+
+dlg:show()
+iup.MainLoop()