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require("iupcdaux") -- utility module used in some samples
--require"cdluacontextplus"
--cd.UseContextPlus(1)
dlg = iupcdaux.new_dialog(w, h)
cnv = dlg[1] -- retrieve the IUP canvas
function DrawTextBox(canvas, x, y, text)
canvas:Mark(x, y)
canvas:Text(x, y, text)
w, h = canvas:GetTextSize(text)
xmin = x - w/2
ymin = y - h/2
xmax = x + w/2
ymax = y + h/2
canvas:Line(xmin, ymin, xmax, ymin)
canvas:Line(xmin, ymin, xmin, ymax)
canvas:Line(xmin, ymax, xmax, ymax)
canvas:Line(xmax, ymin, xmax, ymax)
end
-- custom function used in action callback
-- from the iupcdaux module
function cnv:Draw(canvas)
-- Available in ContextPlus drivers or in IMAGERGB driver
-- canvas:SetAttribute("ANTIALIAS", "1")
canvas:TextAlignment(cd.CENTER)
canvas:MarkSize(40)
canvas:Font("Courier", cd.PLAIN, 12)
local aa = canvas:GetAttribute("ANTIALIAS")
if (aa == "1") then
DrawTextBox(canvas, 130, 30, "ANTIALIAS=1")
else
DrawTextBox(canvas, 130, 30, "ANTIALIAS=0")
end
canvas:Font("Courier", cd.ITALIC, 34)
DrawTextBox(canvas, 130, 160, "xxxxxppx")
canvas:Font("Times", cd.PLAIN, 12)
DrawTextBox(canvas, 130, 290, "taaaa")
canvas:Font("Times", cd.BOLD, 14)
DrawTextBox(canvas, 130, 370, "gggggggg")
end
--tmpCanvas = cd.CreateCanvas(cd.PS, "cdtext.ps")
--tmpCanvas:Clear()
--cnv:Draw(tmpCanvas)
--tmpCanvas:Kill()
dlg:show()
iup.MainLoop()
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