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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Geometry._2d.Side;
interface
type
TOrientation = (orVertical, orHorizontal);
TSide = (sdLeft, sdTop, sdRight, sdBottom, sdVerticalBegin, sdVerticalEnd, sdHorizontalBegin, sdHorizontalEnd);
TSides = set of TSide;
function OppositeSide(const Side: TSide): TSide;
implementation
uses
Exception;
function OppositeSide(const Side: TSide): TSide;
begin
case Side of
sdLeft: Result := sdRight;
sdRight: Result := sdLeft;
sdTop: Result := sdBottom;
sdBottom: Result := sdTop;
sdVerticalBegin: Result := sdVerticalEnd;
sdVerticalEnd: Result := sdVerticalBegin;
sdHorizontalBegin: Result := sdHorizontalEnd;
sdHorizontalEnd: Result := sdHorizontalBegin;
else
raise EException.Create('Unknown side');
end;
end;
end.
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