mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _RECTCLIPPER_H_
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#define _RECTCLIPPER_H_
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//Includes
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#ifndef _PLATFORM_H_
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#include "platform/platform.h"
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#endif
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#ifndef _MRECT_H_
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#include "math/mRect.h"
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#endif
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class RectClipper
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{
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RectI m_clipRect;
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public:
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RectClipper(const RectI& in_rRect);
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bool clipPoint(const Point2I& in_rPoint) const;
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bool clipLine(const Point2I& in_rStart,
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const Point2I& in_rEnd,
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Point2I& out_rStart,
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Point2I& out_rEnd) const;
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bool clipRect(const RectI& in_rRect,
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RectI& out_rRect) const;
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};
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//------------------------------------------------------------------------------
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//-------------------------------------- INLINES
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//
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inline
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RectClipper::RectClipper(const RectI& in_rRect)
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: m_clipRect(in_rRect)
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{
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//
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}
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inline bool
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RectClipper::clipPoint(const Point2I& in_rPoint) const
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{
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if ((in_rPoint.x < m_clipRect.point.x) ||
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(in_rPoint.y < m_clipRect.point.y) ||
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(in_rPoint.x >= m_clipRect.point.x + m_clipRect.extent.x) ||
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(in_rPoint.y >= m_clipRect.point.y + m_clipRect.extent.y))
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return false;
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return true;
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}
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#endif //_RECTCLIPPER_H_
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