Name

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      DRAW_WID_CORR

Purpose

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      Get draw widget scroll size correction.

Category

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Calling Sequence

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      draw_wid_corr, x, y, xc, yc

Inputs

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      x,y = desired x and y scroll size. in

Keyword Parameters

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Outputs

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      xc,yc = Needed correction to get those sizes. out
        In the call to widget_draw use:
        x_scroll=x-xc and y_scroll=y-yc to get x and y.

Common Blocks

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Notes

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      Note: The x and y scroll sizes requested for a draw widget
      may not the actual values of the realized widget. This
      routine tries to determine the difference to allow
      compensation. The coorections still do not give an exact
      result, they seem a bit small.

Modification History

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      R. Sterner, 2002 Nov 04
  Copyright (C) 2002, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.