Files
mapmap/MapperGLCanvas.h

97 lines
2.5 KiB
C++

/*
* MapperGLCanvas.h
*
* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAPPERGLCANVAS_H_
#define MAPPERGLCANVAS_H_
#include <QGLWidget>
#include <QKeyEvent>
#include <QPaintEvent>
#include <iostream>
#include "UidAllocator.h"
#include "Shape.h"
class MainWindow;
/**
* Qt GUI widget that draws a mapper, which is a shape with some paint.
*/
class MapperGLCanvas: public QGLWidget
{
Q_OBJECT
public:
MapperGLCanvas(MainWindow* mainWindow, QWidget* parent = 0, const QGLWidget* shareWidget = 0);
virtual ~MapperGLCanvas() {}
virtual Shape* getShapeFromMappingId(uid mappingId) = 0;
void switchImage(int imageId);
// QSize sizeHint() const;
// QSize minimumSizeHint() const;
Shape* getCurrentShape();
void glueVertex(Shape *, QPointF *);
MainWindow* getMainWindow() const { return _mainWindow; }
bool displayControls() const { return _displayControls; }
bool stickyVertices() const { return _stickyVertices; }
protected:
void initializeGL();
void resizeGL(int width, int height);
void paintGL();
void keyPressEvent(QKeyEvent* event);
void mousePressEvent(QMouseEvent* event);
void mouseMoveEvent(QMouseEvent* event);
void mouseReleaseEvent(QMouseEvent* event);
void paintEvent(QPaintEvent* event);
private:
void draw(QPainter* painter);
void enterDraw(QPainter* painter);
virtual void doDraw(QPainter* painter) = 0;
void exitDraw(QPainter* painter);
MainWindow* _mainWindow;
bool _mousePressedToDragVertex;
int _activeVertex;
bool _shapeGrabbed;
bool _shapeFirstGrab;
bool _displayControls;
bool _stickyVertices;
signals:
void shapeChanged(Shape*);
void imageChanged();
public slots:
void updateCanvas();
void enableDisplayControls(bool display);
void enableStickyVertices(bool display);
void deselectAll();
public:
static const int NO_VERTEX = -1;
};
#endif /* MAPPERGLCANVAS_H_ */