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