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116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_RECT_H
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#define NL_RECT_H
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#include "types_nl.h"
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namespace NLMISC {
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class CVector2f;
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/**
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* This class describe an integer 2d rectangle.
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* \author Cyril Corvazier
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* \author Nevrax France
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* \date 2000
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*/
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class CRect
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{
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public:
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/// default ctor
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CRect() {}
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/// Constructor with a 2d point, a width and a height
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CRect (sint32 x, sint32 y, uint32 width, uint32 height);
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/// Constructor with a single 2d point. Build a rectangle with width and height = 0.
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CRect (sint32 x, sint32 y)
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{
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X=x;
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Y=y;
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Width=0;
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Height=0;
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}
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/// Set from a 2d point, a width and a height
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void setWH(sint32 x, sint32 y, uint32 width, uint32 height);
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/// Set from 2 2d points
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void set(sint32 x0, sint32 y0, sint32 x1, sint32 y1);
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/// Extend the box for including the point which coordinates are passed in parameter.
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void extend (sint32 x, sint32 y);
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/// Return the lower X coordinate of the box
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sint32 left() const
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{
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return X;
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}
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/// Return the higher X coordinate of the box + 1
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sint32 right() const
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{
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return X+(sint32)Width;
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}
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/// Return the lower Y coordinate of the box
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sint32 top() const
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{
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return Y;
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}
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/// Return the higher Y coordinate of the box + 1
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sint32 bottom() const
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{
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return Y+(sint32)Height;
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}
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/// Compute the x center of the rectangle
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sint32 getXCenter() const
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{
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return X+(sint32)(Width>>1);
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}
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/// Compute the y center of the rectangle
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sint32 getYCenter() const
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{
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return Y+(sint32)(Height>>1);
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}
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/// Lower X coordinate of the rect
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sint32 X;
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/// Lower Y coordinate of the rect
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sint32 Y;
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/// Width of the rect
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uint32 Width;
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/// Height of the rect
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uint32 Height;
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};
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} // NLMISC
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#endif // NL_RECT_H
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/* End of rect.h */
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