spline_window.hpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: spline_window.hpp,v $
- * PRODUCTION Revision 1000.0 2004/04/12 19:14:18 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [CATCHUP_003] Dev-tree R1.3
- * PRODUCTION
- * ===========================================================================
- */
- #ifndef GUI_OPENGL_DEMO___GL3D_WINDOW__HPP
- #define GUI_OPENGL_DEMO___GL3D_WINDOW__HPP
- /* $Id: spline_window.hpp,v 1000.0 2004/04/12 19:14:18 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Authors: Mike DiCuccio
- *
- * File Description:
- *
- */
- #include <corelib/ncbistd.hpp>
- #include <gui/opengl/glcanvas3d.hpp>
- #include <gui/opengl/glarcball.hpp>
- #include <gui/math/curve_bezier.hpp>
- #include <gui/opengl/glcurve.hpp>
- #include <gui/opengl/gltube.hpp>
- BEGIN_NCBI_SCOPE
- class CSplineWindow : public CGlCanvas3d
- {
- public:
- // rendering states
- enum ERenderFlags {
- fRenderPoints = 0x01,
- fRenderLines = 0x02,
- fRenderControlPoints = 0x04
- };
- typedef int TRenderFlags;
- CSplineWindow(int x, int y, int w, int h, const char* label = NULL);
- // overridden draw()
- void draw(void);
- // overridden handle()
- int handle(int event);
- // overridden resize()
- void resize(int x, int y, int w, int h);
- void TogglePoints();
- void ToggleLines();
- void ToggleControlPoints();
- private:
- // internal event states for better processing of drag events
- enum EState {
- eNormal,
- eRotate,
- ePan,
- eZoom,
- eDrag
- };
- // the current state of the window
- EState m_State;
- // rendering flags
- TRenderFlags m_Flags;
- // arc ball for rotation
- CGlArcBall m_Arcball;
- // distance to our target
- float m_TargetDistance;
- // last mouse position
- int m_LastMouseX;
- int m_LastMouseY;
- // the spline we render
- CGlCurve<CCurveBezier> m_Curve;
- // handlers for event states
- void x_Rotate(void);
- void x_Zoom(int dy);
- void x_Pan(int dx, int dy);
- };
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: spline_window.hpp,v $
- * Revision 1000.0 2004/04/12 19:14:18 gouriano
- * PRODUCTION: IMPORTED [CATCHUP_003] Dev-tree R1.3
- *
- * Revision 1.3 2004/03/11 20:57:50 ucko
- * Correct path to curve_bezier.hpp
- *
- * Revision 1.2 2004/03/11 17:39:55 dicuccio
- * Render spline, not tube, by default
- *
- * Revision 1.1 2004/03/11 17:39:24 dicuccio
- * Added spline demo project
- *
- * ===========================================================================
- */
- #endif // GUI_OPENGL_DEMO___GL3D_WINDOW__HPP