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glwidget.h
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glwidget.h
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#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <glu.h>
#include <set>
#include <QGLWidget>
#include <QMouseEvent>
#include <QDateTime>
#include "plyimporter.h"
#include "bookmarklist.h"
/**
* @brief The Mode enum represents how mouse click affects to the view:
* ROTATION: Produces a rotation.
* ZOOM: Produces a zoom in the view.
* PICK: Produces a selection of faces.
*/
enum Mode {
ROTATION,
ZOOM,
PICK
};
/**
* @brief The SelectionMode enum represents how mouse clicks affects to
* current selection:
* ADD: Selected faces are ADDED to selected face list.
* DEL: Selected faces are REMOVED from selected face list.
*/
enum SelectionMode {
ADD,
DEL
};
/**
* @brief The RenderMode enum represents a diferents mode to render the scene:
* SOLID: Solid mode. (default)
* WIRE: Wire mode.
* SOLID_WIRE: Solid + wire mode.
*/
enum RenderMode {
POINTS,
WIRED,
SOLID,
SOLID_WIRE
};
/**
* This source file is part of 3DMarker.
* @author Jose Manuel Rabasco de Damas (rabasco@gmail.com)
* @version 1.0
*
* @section LICENSE
*
* 3DMarker is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 3, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* @section DESCRIPTION
*
* The GLWidget class represents a 3D model viewer.
*/
class GLWidget : public QGLWidget
{
Q_OBJECT
private:
Mode _mode; /**< Current viewer mode. */
SelectionMode _selectionMode; /**< Current selection mode. */
RenderMode _renderMode; /**< Current render mode. */
Model* _model; /**< 3D Model. */
QPoint _lastPos; /**< Last mouse position. */
bool _isPicking; /**< True when picking (selecting polygons). */
bool _hitMode; /**< True when hit mode is enabled. */
GLuint _modelDisplayListIndex; /**< Index of displayList */
GLubyte _displayLists[2]; /**< References to displayList */
float _cameraDistance; /**< Camera distance from origin. */
float _cameraHAngle; /**< Camera horizontal angle. */
float _cameraVAngle; /**< camera vertical angle. */
float _cameraIncrement; /**< Camera steps (depends of model size). */
unsigned int _pickSize; /**< Pick window size. */
std::set<unsigned int> _currentSelection; /**< Faces selected by user. */
/**
* @brief Draw a polygon solid or wired.
* @param poly Polygon to draw.
* @param wired True for wired mode, false for solid mode.
*/
void drawPoly(Poly *poly, bool wired);
/**
* @brief Special render to select polygons.
* @param x Horizontal mouse position.
* @param y Vertical mouse position.
*/
void picking(int x, int y);
/**
* @brief Configure camera on scene.
*/
void setCamera();
/**
* @brief Initialize the display lists.
*/
void createDisplayLists();
protected:
/**
* @brief Represents a user interaction: Mouse click.
* @param pressEvent Mouse event.
*/
void mousePressEvent(QMouseEvent *pressEvent);
/**
* @brief Represents a user interaction: Mouse move when click.
* @param moveEvent Mouse event.
*/
void mouseMoveEvent(QMouseEvent *moveEvent);
/**
* @brief Represents a user interaction: Mouse wheel move.
* @param event Mouse event.
*/
void wheelEvent(QWheelEvent *event);
public:
/**
* @brief Default constructor.
* @param parent Parent of widget.
*/
GLWidget(QWidget *parent = 0);
/**
* @brief Configure OpenGL environment.
*/
void initializeGL();
/**
* @brief Main OpenGL draw function.
*/
void paintGL();
/**
* @brief Main resize OpenGL function.
* @param width New viewer width.
* @param height New viewer height.
*/
void resizeGL(int width, int height);
/**
* @brief Set a new model to draw.
* @param model Model to draw.
*/
void setModel(Model* model);
/**
* @brief Change viewer mode.
* @param mode New viewer mode.
*/
void setViewerMode(Mode mode);
/**
* @brief Change viewer selection mode.
* @param mode New viewer selection mode.
*/
void setSelectionMode(SelectionMode mode);
/**
* @brief Clear viewer.
*/
void clear();
/**
* @brief Clear only current selection.
*/
void clearSelection();
/**
* @brief Set the current selection.
* @param selection Current selection to display.
*/
void setCurrentSelection(std::set<unsigned int> *selection);
/**
* @brief Set the current render mode.
* @param mode New render mode.
*/
void setRenderMode(RenderMode mode);
/**
* @brief Set the current pick size.
* @param size New pick size.
*/
void setPickSize(unsigned int size);
/**
* @brief Enable or disable hit mode.
* @param Enable hit mode.
*/
void enableHitMode(bool enabled);
/**
* @brief Return current selection.
* @return Current selection.
*/
std::set<unsigned int> getCurrentSelection();
signals:
void pickResult(std::set<unsigned int> hit);
};
#endif // GLWIDGET_H