07ad20793d
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1257 fdac6126-5c0c-442c-9429-916003d36597
182 lines
7.0 KiB
C++
182 lines
7.0 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2015, RWTH-Aachen University *
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* Department for Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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/*===========================================================================*\
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* *
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* $Revision$ *
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* $Date$ *
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* *
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\*===========================================================================*/
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#ifndef OPENMESHAPPS_QGLVIEWERWIDGET_HH
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#define OPENMESHAPPS_QGLVIEWERWIDGET_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/Geometry/VectorT.hh>
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#include <qgl.h>
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#include <string>
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#include <vector>
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//== FORWARD DECLARATIONS =====================================================
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class QPopupMenu;
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//== CLASS DEFINITION =========================================================
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class QGLViewerWidget : public QGLWidget
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{
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Q_OBJECT
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public:
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// Default constructor.
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QGLViewerWidget( QWidget* _parent=0, const char* _name=0 );
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// Destructor.
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virtual ~QGLViewerWidget();
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/* Sets the center and size of the whole scene.
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The _center is used as fixpoint for rotations and for adjusting
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the camera/viewer (see view_all()). */
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void set_scene_pos( const OpenMesh::Vec3f& _center, float _radius );
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/* view the whole scene: the eye point is moved far enough from the
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center so that the whole scene is visible. */
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void view_all();
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/// add draw mode to popup menu
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void add_draw_mode(const std::string& _s);
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float radius() const { return radius_; }
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const OpenMesh::Vec3f& center() const { return center_; }
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const GLdouble* modelview_matrix() const { return modelview_matrix_; }
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const GLdouble* projection_matrix() const { return projection_matrix_; }
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void set_modelview_matrix(const GLdouble _modelview_matrix[16])
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{ memcpy(modelview_matrix_, _modelview_matrix, 16*sizeof(GLdouble)); }
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void set_projection_matrix(const GLdouble _projection_matrix[16])
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{ memcpy(projection_matrix_, _projection_matrix, 16*sizeof(GLdouble)); }
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float fovy() const { return 45.0f; }
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protected:
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// draw the scene: will be called by the painGL() method.
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virtual void draw_scene(const std::string& _draw_mode);
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double performance(void);
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private slots:
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// popup menu clicked
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void slotPopupMenu(int _id);
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private: // inherited
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// initialize OpenGL states (triggered by Qt)
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void initializeGL();
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// draw the scene (triggered by Qt)
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void paintGL();
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// handle resize events (triggered by Qt)
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void resizeGL( int w, int h );
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protected:
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// Qt mouse events
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virtual void mousePressEvent( QMouseEvent* );
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virtual void mouseReleaseEvent( QMouseEvent* );
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virtual void mouseMoveEvent( QMouseEvent* );
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virtual void wheelEvent( QWheelEvent* );
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virtual void keyPressEvent( QKeyEvent* );
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private:
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// updates projection matrix
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void update_projection_matrix();
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protected:
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// translate the scene and update modelview matrix
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void translate(const OpenMesh::Vec3f& _trans);
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// rotate the scene (around its center) and update modelview matrix
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void rotate(const OpenMesh::Vec3f& _axis, float _angle);
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OpenMesh::Vec3f center_;
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float radius_;
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GLdouble projection_matrix_[16],
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modelview_matrix_[16];
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// popup menu for draw mode selection
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QPopupMenu* popup_menu_;
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unsigned int draw_mode_;
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unsigned int n_draw_modes_;
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std::vector<std::string> draw_mode_names_;
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// virtual trackball: map 2D screen point to unit sphere
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bool map_to_sphere(const QPoint& _point, OpenMesh::Vec3f& _result);
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QPoint last_point_2D_;
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OpenMesh::Vec3f last_point_3D_;
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bool last_point_ok_;
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};
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//=============================================================================
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#endif // OPENMESHAPPS_QGLVIEWERWIDGET_HH
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//=============================================================================
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