Utils/parkgrab/grect.cpp

@@ -0,0 +1,138 @@
+/*=========================================================================
+
+	GRECT.CPP	
+
+	Author:  Gary Liddon @ Climax
+	Created:
+	Project:
+	Purpose:
+
+	Copyright (c) 1997 Climax Development Ltd
+
+===========================================================================*/
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+/*	Std Lib
+	------- */
+#include <algorithm>
+
+/*	Glib
+	---- */
+#include <frame.hpp>
+
+/*	Local
+	----- */
+#include "grect.h"
+
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+using namespace std;
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+/*----------------------------------------------------------------------
+	Positional Vars
+	--------------- */
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+static Rect & AddAnotherRect(RectVec & Result);
+static void AddRectMessage(Rect const & T);
+
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Data
+	---- */
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+Rect & AddAnotherRect(RectVec & Result)
+{
+	Result.resize(Result.size()+1);
+	return(Result[Result.size()-1]);
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+void CutRect(Rect const & ToBeCut,Rect const & TheCutter,RectVec & Result)
+{
+	Rect Cutter=TheCutter;
+
+	ToBeCut.ClipRect(Cutter);
+	
+	if (Cutter)
+		{
+		/* Is there a top rectangle hanging about? */
+
+		if (ToBeCut.Y != Cutter.Y)
+			{
+			Rect & TopRect=AddAnotherRect(Result);
+			TopRect=ToBeCut;
+			TopRect.H=Cutter.Y-TopRect.Y;
+			AddRectMessage(TopRect);
+			}
+
+		/* Is there a bottom rectangle hanging about? */
+
+		if ((ToBeCut.Y+ToBeCut.H) != (Cutter.Y+Cutter.H))
+			{
+			Rect & TopRect=AddAnotherRect(Result);
+			TopRect=ToBeCut;
+			TopRect.Y=Cutter.Y+Cutter.H;
+			TopRect.H=(ToBeCut.Y+ToBeCut.H)-(Cutter.Y+Cutter.H);
+			AddRectMessage(TopRect);
+			}
+
+		/* Is there a left rectangle hanging about? */
+
+		if (ToBeCut.X != Cutter.X)
+			{
+			Rect & TopRect=AddAnotherRect(Result);
+			TopRect=Cutter;
+			TopRect.X=ToBeCut.X;
+			TopRect.W=Cutter.X-ToBeCut.X;
+			AddRectMessage(TopRect);
+			}
+
+		/* Is there a right rectangle hanging about? */
+	
+		if ((ToBeCut.X+ToBeCut.W) != (Cutter.X+Cutter.W))
+			{
+			Rect & TopRect=AddAnotherRect(Result);
+			TopRect=Cutter;
+			TopRect.X=Cutter.X+Cutter.W;
+			TopRect.W=(ToBeCut.X+ToBeCut.W)-(Cutter.X+Cutter.W);
+			AddRectMessage(TopRect);
+			}
+		}
+
+}
+
+void AddRectMessage(Rect const & T)
+{
+}
+
+
+/*===========================================================================
+ end */