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HWindowInfoOOC.h
00001 // Copyright (c) 1998-2014 by Tech Soft 3D, Inc.
00002 //
00003 // The information contained herein is confidential and proprietary to Tech Soft 3D, Inc.,
00004 // and considered a trade secret as defined under civil and criminal statutes.
00005 // Tech Soft 3D, Inc. shall pursue its civil and criminal remedies in the event of
00006 // unauthorized use or misappropriation of its trade secrets.  Use of this information
00007 // by anyone other than authorized employees of Tech Soft 3D, Inc. is granted only under
00008 // a written non-disclosure agreement, expressly prescribing the scope and manner of such use.
00009 
00010 #pragma once
00011 
00012 
00013 #ifdef HMFC_STATIC_LIB
00014 #   error "Code cannot be statically linked."
00015 #endif
00016 
00017 
00018 #ifdef H_PACK_8
00019 #   pragma pack(push)
00020 #   pragma pack(8)
00021 #endif
00022 
00023 
00024 #include "HBaseView.h"
00025 #include "PointCloudAPI.h"
00026 
00027 
00028 class HWindowInfoOOC {
00029 private:
00030     enum Type { INVALID, RECTANGLE, TRIANGLE };
00031 
00032 public:
00033     HWindowInfoOOC ()
00034         : type(INVALID)
00035     {}
00036 
00037     static HWindowInfoOOC Rectangle (HBaseView & view, ooc::Point const & window_min, ooc::Point const & window_max);
00038     static HWindowInfoOOC Triangle (HBaseView & view, ooc::Point const & p1, ooc::Point const & p2, ooc::Point const & p3);
00039 
00040     bool RejectBounding (ooc::Point const (&world_bounds)[8]) const;
00041     bool AcceptPoint (ooc::Point const & world_point) const;
00042 
00043 private:
00044     HWindowInfoOOC (HBaseView & view, Type type);
00045 
00046     bool RectangleAcceptPoint (ooc::Point const & world_point) const;
00047     bool TriangleAcceptPoint (ooc::Point const & world_point) const;
00048 
00049 private:
00050     Type type;
00051     float world_to_window[16];
00052     ooc::Point window_min;
00053     ooc::Point window_max;
00054 
00055     struct {
00056         ooc::Point p3;
00057         float inverse_denom;
00058         float alpha_1;
00059         float alpha_2;
00060         float beta_1;
00061         float beta_2;
00062     } barycentric_info;
00063 };
00064 
00065 
00066