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1 files changed, 68 insertions, 0 deletions

diff --git a/html/examples/iup_dbuffer.wlua b/html/examples/iup_dbuffer.wlua
new file mode 100644
index 0000000..3f33746
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+++ b/html/examples/iup_dbuffer.wlua
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+require"cdlua"
+require"iuplua"
+require"iupluacd"
+
+cnv = iup.canvas {size = "200x100"}
+
+box = iup.vbox{
+       iup.button { title="Version" },
+       cnv,
+       iup.button { title="Close" },
+     }
+
+dlg = iup.dialog{box; title="Example IUPLUA/CDLUA"}
+
+function cnv:map_cb()
+  local canvas = cd.CreateCanvas(cd.IUP, self)
+  local dbuffer = cdCreateCanvas(cd.DBUFFER, canvas);
+  self.canvas = canvas     -- store the CD canvas in a IUP attribute
+  self.dbuffer = dbuffer
+end
+
+function cnv:unmap_cb()
+  local canvas = self.canvas     -- retrieve the CD canvas from the IUP attribute
+  local dbuffer = self.dbuffer
+  dbuffer:Kill()
+  canvas:Kill()
+end
+
+bt_version = dlg[1][1]
+function bt_version:action()
+  iup.Message("Version", "CD Version: " .. cd.Version() .. "\nIUP Version: " .. iup.Version() .. "\n" .. _VERSION)
+end
+
+bt_close = dlg[1][3]
+function bt_close:action()
+  return iup.CLOSE
+end
+
+function Render(dbuffer)
+  dbuffer:Activate()
+  dbuffer:Clear()
+  dbuffer:Foreground (cd.RED)
+  dbuffer:Box (10, 55, 10, 55)
+  dbuffer:Foreground(cd.EncodeColor(255, 32, 140))
+  dbuffer:Line(0, 0, 300, 100)
+end
+
+function cnv:action()
+  local dbuffer = self.dbuffer     -- retrieve the CD canvas from the IUP attribute
+  dbuffer:Flush()
+end
+
+function cnv:button_cb(b, e, x, y, r)
+  print ("Button: " .. "Button="..tostring(b).." Pressed="..tostring(e).." X="..tostring(x).." Y="..tostring(y) )
+end
+
+function cnv:resize_cb()
+  local dbuffer = self.dbuffer     -- retrieve the CD canvas from the IUP attribute
+  
+  -- update size
+  dbuffer:Activate()
+
+  -- update render
+  Render(dbuffer);
+end
+
+dlg:show()
+iup.MainLoop()