Qt imgRegion bug fixed

Qt compilation pb with OpenGL flags fixed

CMakeLists.txt

@@ -525,6 +525,8 @@ if (WITH_QT)
 			if (QT_QTOPENGL_FOUND AND OPENGL_FOUND)
 				set(HAVE_QT_OPENGL 1)
 				add_definitions(-DHAVE_QT_OPENGL)
+				link_directories("${OPENGL_LIBRARIES}")
+				set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${OPENGL_LIBRARIES})
 		 	endif()
         endif()
         

modules/highgui/src/window_QT.cpp

@@ -2241,7 +2241,7 @@ void ViewPort::controlImagePosition()
 	//save also the inv matrix
 	matrixWorld_inv = param_matrixWorld.inverted();
 
-	viewport()->update();
+	//viewport()->update();
 }
 
 void ViewPort::moveView(QPointF delta)
@@ -2409,9 +2409,12 @@ void ViewPort::icvmouseProcessing(QPointF pt, int cv_event, int flags)
 {
 	//to convert mouse coordinate
 	qreal pfx, pfy;
+	//qreal ratioX = float(image2Draw_qt.width())/image2Draw_qt_resized.width();
+	//qreal ratioY = float(image2Draw_qt.height())/image2Draw_qt_resized.height();
 	matrixWorld_inv.map(pt.x(),pt.y(),&pfx,&pfy);
-	mouseCoordinate.rx()=floor(pfx);
-	mouseCoordinate.ry()=floor(pfy);
+	
+	mouseCoordinate.rx()=floor(pfx/ratioX);
+	mouseCoordinate.ry()=floor(pfy/ratioY);
 
 	if (on_mouse)
 		on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
@@ -2430,7 +2433,6 @@ QSize ViewPort::sizeHint() const
 
 void ViewPort::resizeEvent ( QResizeEvent *event)
 {
-	image2Draw_qt_resized = image2Draw_qt.scaled(this->width(),this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation);
 
 	controlImagePosition();
 	ratioX=width()/float(image2Draw_ipl->width);
@@ -2493,8 +2495,14 @@ void ViewPort::paintEvent(QPaintEvent* event)
 	//in mode zoom/panning
 	if (param_matrixWorld.m11()>1)
 	{
+		
 		if (param_matrixWorld.m11()>=threshold_zoom_img_region)
+		{
+			if (centralWidget->param_flags == CV_WINDOW_NORMAL)
+				startDisplayInfo("WARNING: The values displayed are the values of the resized image. If you want the values of the original image, use CV_WINDOW_AUTORESIZE", 1000);
+
 			drawImgRegion(&myPainter);
+		}
 
 		drawViewOverview(&myPainter);
 	}
@@ -2512,7 +2520,8 @@ void ViewPort::paintEvent(QPaintEvent* event)
 
 void ViewPort::draw2D(QPainter *painter)
 {
-	painter->drawImage(0,0,image2Draw_qt.scaled(this->width(),this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation));
+	image2Draw_qt_resized = image2Draw_qt.scaled(this->width(),this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation);
+	painter->drawImage(0,0,image2Draw_qt_resized);
 }
 
 void ViewPort::drawStatusBar()
@@ -2544,6 +2553,7 @@ void ViewPort::drawStatusBar()
 	}
 }
 
+
 void ViewPort::drawImgRegion(QPainter *painter)
 {
 	qreal offsetX = param_matrixWorld.dx()/param_matrixWorld.m11();
@@ -2573,22 +2583,33 @@ void ViewPort::drawImgRegion(QPainter *painter)
 	QPointF point1;//sorry, I do not know how to name it
 	QPointF point2;//idem
 
+	//qreal ratioX = float(image2Draw_qt.width())/image2Draw_qt_resized.width();
+	//qreal ratioY = float(image2Draw_qt.height())/image2Draw_qt_resized.height();
 
-	for (int j=-1;j<view.height()/param_matrixWorld.m11();j++)
-		for (int i=-1;i<view.width()/param_matrixWorld.m11();i++)
+	for (int j=-1;j<height()/param_matrixWorld.m11();j++)//-1 because display the pixels top rows left colums
+		for (int i=-1;i<width()/param_matrixWorld.m11();i++)//-1
 		{
 			point1.setX((i+offsetX)*param_matrixWorld.m11());
 			point1.setY((j+offsetY)*param_matrixWorld.m11());
 
 			matrixWorld_inv.map(point1.x(),point1.y(),&point2.rx(),&point2.ry());
 
+			point2.rx()= (long) (point2.x() + 0.5);
+			point2.ry()= (long) (point2.y() + 0.5);
+
 			if (point2.x() >= 0 && point2.y() >= 0)
-				rgbValue = image2Draw_qt.pixel(QPoint(point2.x(),point2.y()));
+				rgbValue = image2Draw_qt_resized.pixel(QPoint(point2.x(),point2.y()));
 			else
 				rgbValue = qRgb(0,0,0);
 
 			if (nbChannelOriginImage==3)
 			{
+				//for debug
+				val = tr("%1 %2").arg(point2.x()).arg(point2.y());
+				painter->setPen(QPen(Qt::black, 1));
+				painter->drawText(QRect(point1.x(),point1.y(),param_matrixWorld.m11(),param_matrixWorld.m11()/2),
+					Qt::AlignCenter, val);
+
 				val = tr("%1").arg(qRed(rgbValue));
 				painter->setPen(QPen(Qt::red, 1));
 				painter->drawText(QRect(point1.x(),point1.y(),param_matrixWorld.m11(),param_matrixWorld.m11()/3),

modules/highgui/src/window_QT.h

-//IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 
-
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-
-
-//                          License Agreement
-//               For Open Source Computer Vision Library
-
-//Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
-//Copyright (C) 2008-2010, Willow Garage Inc., all rights reserved.
-//Third party copyrights are property of their respective owners.
-
-//Redistribution and use in source and binary forms, with or without modification,
-//are permitted provided that the following conditions are met:
-
-//  * Redistribution's of source code must retain the above copyright notice,
-//  this list of conditions and the following disclaimer.
-
-//  * Redistribution's in binary form must reproduce the above copyright notice,
-//  this list of conditions and the following disclaimer in the documentation
-//  and/or other materials provided with the distribution.
-
-//  * The name of the copyright holders may not be used to endorse or promote products
-//  derived from this software without specific prior written permission.
-
-//This software is provided by the copyright holders and contributors "as is" and
-//any express or implied warranties, including, but not limited to, the implied
-//warranties of merchantability and fitness for a particular purpose are disclaimed.
-//In no event shall the Intel Corporation or contributors be liable for any direct,
-//indirect, incidental, special, exemplary, or consequential damages
-//(including, but not limited to, procurement of substitute goods or services;
-//loss of use, data, or profits; or business interruption) however caused
-//and on any theory of liability, whether in contract, strict liability,
-//or tort (including negligence or otherwise) arising in any way out of
-//the use of this software, even if advised of the possibility of such damage.
-
-//--------------------Google Code 2010 -- Yannick Verdie--------------------//
-#ifndef __OPENCV_HIGHGUI_QT_H__
-#define __OPENCV_HIGHGUI_QT_H__
-
-
-#include "precomp.hpp"
-
-#if defined( HAVE_QT_OPENGL )
-#include <QtOpenGL>
-#include <QGLWidget>
-#endif
-
-#include <QAbstractEventDispatcher>
-#include <QtGui/QApplication>
-#include <QFile>
-#include <QPushButton>
-#include <QtGui/QGraphicsView>
-#include <QSizePolicy>
-#include <QInputDialog>
-#include <QtGui/QBoxLayout>
-#include <QSettings>
-#include <qtimer.h>
-#include <QtConcurrentRun>
-#include <QWaitCondition>
-#include <QKeyEvent>
-#include <QMetaObject>
-#include <QPointer>
-#include <QSlider>
-#include <QLabel>
-#include <QIODevice>
-#include <QShortcut>
-#include <QStatusBar>
-#include <QVarLengthArray>
-#include <QFileInfo>
-#include <QDate>
-#include <QFileDialog>
-#include <QToolBar>
-#include <QAction>
-#include <QPushButton>
-#include <QCheckBox>
-#include <QRadioButton>
-#include <QButtonGroup>
-#include <QMenu>
-
-//start private enum
-enum {CV_MODE_NORMAL= 0, CV_MODE_OPENGL = 1};
-
-//we can change the keyboard shortcuts from here !
-enum {	shortcut_zoom_normal 	= Qt::CTRL + Qt::Key_Z,
-		shortcut_zoom_imgRegion = Qt::CTRL + Qt::Key_X,
-		shortcut_save_img		= Qt::CTRL + Qt::Key_S,
-		shortcut_properties_win	= Qt::CTRL + Qt::Key_P,
-		shortcut_zoom_in 		= Qt::CTRL + Qt::Key_Plus,//QKeySequence(QKeySequence::ZoomIn),
-		shortcut_zoom_out		= Qt::CTRL + Qt::Key_Minus,//QKeySequence(QKeySequence::ZoomOut),
-		shortcut_panning_left 	= Qt::CTRL + Qt::Key_Left,
-		shortcut_panning_right 	= Qt::CTRL + Qt::Key_Right,
-		shortcut_panning_up 	= Qt::CTRL + Qt::Key_Up,
-		shortcut_panning_down 	= Qt::CTRL + Qt::Key_Down
-	};
-
-
-//end enum
-
-class CvWindow;
-class ViewPort;
-
-
-class GuiReceiver : public QObject
-{
-    Q_OBJECT
-
-public:
-    GuiReceiver();
-	~GuiReceiver();
-    int start();
-	void isLastWindow();
-
-    bool _bTimeOut;
-	QTimer *timer;
-
-private:
-	int nb_windows;
-
-public slots:
-    void createWindow( QString name, int flags = 0 );
-    void destroyWindow(QString name);
-    void destroyAllWindow();
-    void addSlider(QString trackbar_name, QString window_name, void* value, int count, void* on_change);
-    void moveWindow(QString name, int x, int y);
-    void resizeWindow(QString name, int width, int height);
-    void showImage(QString name, void* arr);
-    void displayInfo( QString name, QString text, int delayms );
-    void displayStatusBar( QString name, QString text, int delayms );
-    void timeOut();
-    void toggleFullScreen(QString name, double flags );
-    double isFullScreen(QString name);
-    double getPropWindow(QString name);
-    void setPropWindow(QString name, double flags );
-    double getRatioWindow(QString name);
-    void setRatioWindow(QString name, double arg2 );
-    void saveWindowParameters(QString name);
-    void loadWindowParameters(QString name);
-    void setOpenGLCallback(QString window_name, void* callbackOpenGL, void* userdata, double angle, double zmin, double zmax);
-    void putText(void* arg1, QString text, QPoint org, void* font);
-    void addButton(QString button_name, int button_type, int initial_button_state , void* on_change, void* userdata);
-};
-
-enum typeBar{type_CvTrackbar = 0, type_CvButtonbar = 1};
-class CvBar  :  public QHBoxLayout
-{
-public:
-    typeBar type;
-    QString name_bar;
-    QPointer<QWidget> myparent;
-};
-
-
-class CvButtonbar : public CvBar
-{
-    Q_OBJECT
-public:
-    CvButtonbar(QWidget* arg, QString bar_name);
-    ~CvButtonbar();
-    void addButton( QString button_name, CvButtonCallback call, void* userdata,  int button_type, int initial_button_state);
-
-private:
-    void setLabel();
-
-    QPointer<QLabel> label;
-    QPointer<QButtonGroup> group_button;
-};
-
-
-class CvPushButton : public QPushButton
-{
-    Q_OBJECT
-public:
-    CvPushButton(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata);
-
-private:
-    CvButtonbar* myparent;
-    QString button_name ;
-    CvButtonCallback callback;
-    void* userdata;
-
-private slots:
-    void callCallBack(bool);
-};
-
-
-
-class CvCheckBox : public QCheckBox
-{
-    Q_OBJECT
-public:
-    CvCheckBox(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata, int initial_button_state);
-
-private:
-    CvButtonbar* myparent;
-    QString button_name ;
-    CvButtonCallback callback;
-    void* userdata;
-
-private slots:
-    void callCallBack(bool);
-};
-
-class CvRadioButton : public QRadioButton
-{
-    Q_OBJECT
-public:
-    CvRadioButton(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata, int initial_button_state);
-
-private:
-    CvButtonbar* myparent;
-    QString button_name ;
-    CvButtonCallback callback;
-    void* userdata;
-
-private slots:
-    void callCallBack(bool);
-};
-
-
-
-class CvTrackbar :  public CvBar
-{
-    Q_OBJECT
-public:
-    CvTrackbar(CvWindow* parent, QString name, int* value, int count, CvTrackbarCallback on_change = NULL);
-    ~CvTrackbar();
-
-    //QString trackbar_name;
-    QPointer<QSlider> slider;
-
-private slots:
-    void createDialog();
-    void update(int myvalue);
-
-private:
-    void setLabel(int myvalue);
-    QString createLabel();
-    QPointer<QPushButton > label;
-    CvTrackbarCallback callback;
-    int* dataSlider;
-
-};
-
-class CvWinProperties : public QWidget
-{
-    Q_OBJECT
-public:
-    CvWinProperties(QString name,QWidget* parent);
-    ~CvWinProperties();
-    QPointer<QBoxLayout> myLayout;
-
-private:
-    void closeEvent ( QCloseEvent * e );
-    void showEvent ( QShowEvent * event ) ;
-    void hideEvent ( QHideEvent * event ) ;
-};
-
-class CvWindow : public QWidget
-{
-    Q_OBJECT
-public:
-    CvWindow(QString arg2, int flag = CV_WINDOW_NORMAL);
-    ~CvWindow();
-    static void addSlider(CvWindow* w,QString name, int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL));
-    void setMouseCallBack(CvMouseCallback m, void* param);
-    void updateImage(void* arr);
-    void displayInfo(QString text, int delayms );
-    void displayStatusBar(QString text, int delayms );
-    void readSettings();
-    void writeSettings();
-    void setOpenGLCallback(CvOpenGLCallback arg1,void* userdata, double angle, double zmin, double zmax);
-    void hideTools();
-    void showTools();
-    static CvButtonbar* createButtonbar(QString bar_name);
-
-
-
-    ViewPort* getView();
-
-    QPointer<QBoxLayout> myGlobalLayout;//All the widget (toolbar, view, LayoutBar, ...) are attached to it
-    QPointer<QBoxLayout> myBarLayout;
-    QPointer<QStatusBar> myStatusBar;
-    QPointer<QToolBar> myToolBar;
-    QPointer<QLabel> myStatusBar_msg;
-
-    //parameters (will be save/load)
-    QString param_name;
-    CvWinProperties* parameters_window ;
-    int param_flags;
-    int param_gui_mode;
-	int param_ratio_mode;
-    QVector<QAction*> vect_QActions;
-
-
-protected:
-    virtual void keyPressEvent(QKeyEvent *event);
-
-private:
-    QPointer<ViewPort> myview;
-    QVector<QShortcut*> vect_QShortcuts;
-
-    void icvLoadTrackbars(QSettings *settings);
-    void icvSaveTrackbars(QSettings *settings);
-	void icvLoadControlPanel();
-	void icvSaveControlPanel();
-	void icvLoadButtonbar(CvButtonbar* t,QSettings *settings);
-	void icvSaveButtonbar(CvButtonbar* t,QSettings *settings);
-
-    void createShortcuts();
-    void createActions();
-    void createToolBar();
-    void createView(int display_mode, int ratio_mode);
-    void createStatusBar();
-    void createGlobalLayout();
-    void createBarLayout();
-    CvWinProperties* createParameterWindow();
-
-private slots:
-    void displayPropertiesWin();
-};
-
-
-
-
-enum type_mouse_event {mouse_up = 0, mouse_down = 1, mouse_dbclick = 2, mouse_move = 3};
-
-static const int tableMouseButtons[][3]={
-    {CV_EVENT_LBUTTONUP,CV_EVENT_RBUTTONUP,CV_EVENT_MBUTTONUP},		    	//mouse_up
-    {CV_EVENT_LBUTTONDOWN,CV_EVENT_RBUTTONDOWN,CV_EVENT_MBUTTONDOWN},		//mouse_down
-    {CV_EVENT_LBUTTONDBLCLK,CV_EVENT_RBUTTONDBLCLK,CV_EVENT_MBUTTONDBLCLK},	//mouse_dbclick
-    {CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE}		    	//mouse_move
-};
-
-
-static const double DEFAULT_ANGLE  = 45.0;
-static const double DEFAULT_ZMIN = 0.01;
-static const double  DEFAULT_ZMAX = 1000.0;
-class ViewPort : public QGraphicsView
-{
-    Q_OBJECT
-public:
-    ViewPort(CvWindow* centralWidget, int mode = CV_MODE_NORMAL, int keepRatio = CV_WINDOW_KEEPRATIO);
-    ~ViewPort();
-    void updateImage(void* arr);
-    void startDisplayInfo(QString text, int delayms);
-    void setMouseCallBack(CvMouseCallback m, void* param);
-    void setOpenGLCallback(CvOpenGLCallback func,void* userdata, double arg3, double arg4, double arg5);
-    int getRatio();
-    void setRatio(int arg);
-
-    //parameters (will be save/load)
-    QTransform param_matrixWorld;
-
-    int param_keepRatio;
-
-    IplImage* image2Draw_ipl;
-    QImage image2Draw_qt;
-    QImage image2Draw_qt_resized;
-    int mode_display;//opengl or native
-    int nbChannelOriginImage;
-
-public slots:
-    //reference:
-    //http://www.qtcentre.org/wiki/index.php?title=QGraphicsView:_Smooth_Panning_and_Zooming
-    //http://doc.qt.nokia.com/4.6/gestures-imagegestures-imagewidget-cpp.html
-    void scaleView(qreal scaleFactor, QPointF center);
-    void imgRegion();
-    void moveView(QPointF delta);
-    void resetZoom();
-    void ZoomIn();
-    void ZoomOut();
-    void siftWindowOnLeft();
-    void siftWindowOnRight();
-    void siftWindowOnUp() ;
-    void siftWindowOnDown();
-    void resizeEvent ( QResizeEvent * );
-    void saveView();
-    void contextMenuEvent(QContextMenuEvent *event);
-
-
-private:
-    QPoint mouseCoordinate;
-    QPointF positionGrabbing;
-    QRect  positionCorners;
-    QTransform matrixWorld_inv;
-    float ratioX, ratioY;
-
-    //for mouse callback
-    CvMouseCallback on_mouse;
-    void* on_mouse_param;
-
-    //for opengl callback
-    CvOpenGLCallback on_openGL_draw3D;
-    void* on_openGL_param;
-
-    bool isSameSize(IplImage* img1,IplImage* img2);
-    QSize sizeHint() const;
-    QPointer<CvWindow> centralWidget;
-    QPointer<QTimer> timerDisplay;
-    bool drawInfo;
-    QString infoText;
-    //QImage* image;
-
-    void paintEvent(QPaintEvent* paintEventInfo);
-    void wheelEvent(QWheelEvent *event);
-    void mouseMoveEvent(QMouseEvent *event);
-    void mousePressEvent(QMouseEvent *event);
-    void mouseReleaseEvent(QMouseEvent *event);
-    void mouseDoubleClickEvent(QMouseEvent *event);
-    void drawInstructions(QPainter *painter);
-    void drawViewOverview(QPainter *painter);
-    void drawImgRegion(QPainter *painter);
-    void draw2D(QPainter *painter);
-    void drawStatusBar();
-    void controlImagePosition();
-    void icvmouseHandler(QMouseEvent *event, type_mouse_event category, int &cv_event, int &flags);
-    void icvmouseProcessing(QPointF pt, int cv_event, int flags);
-
-#if defined( HAVE_QT_OPENGL )
-	double angle;
-	double zmin;
-	double zmax;
-    void unsetGL();
-    void initGL();
-    void setGL(int width, int height);
-    void icvgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar);
-#endif
-
-private slots:
-    void stopDisplayInfo();
-};
-
-#endif
+//IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 
+
+// By downloading, copying, installing or using the software you agree to this license.
+// If you do not agree to this license, do not download, install,
+// copy or use the software.
+
+
+//                          License Agreement
+//               For Open Source Computer Vision Library
+
+//Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+//Copyright (C) 2008-2010, Willow Garage Inc., all rights reserved.
+//Third party copyrights are property of their respective owners.
+
+//Redistribution and use in source and binary forms, with or without modification,
+//are permitted provided that the following conditions are met:
+
+//  * Redistribution's of source code must retain the above copyright notice,
+//  this list of conditions and the following disclaimer.
+
+//  * Redistribution's in binary form must reproduce the above copyright notice,
+//  this list of conditions and the following disclaimer in the documentation
+//  and/or other materials provided with the distribution.
+
+//  * The name of the copyright holders may not be used to endorse or promote products
+//  derived from this software without specific prior written permission.
+
+//This software is provided by the copyright holders and contributors "as is" and
+//any express or implied warranties, including, but not limited to, the implied
+//warranties of merchantability and fitness for a particular purpose are disclaimed.
+//In no event shall the Intel Corporation or contributors be liable for any direct,
+//indirect, incidental, special, exemplary, or consequential damages
+//(including, but not limited to, procurement of substitute goods or services;
+//loss of use, data, or profits; or business interruption) however caused
+//and on any theory of liability, whether in contract, strict liability,
+//or tort (including negligence or otherwise) arising in any way out of
+//the use of this software, even if advised of the possibility of such damage.
+
+//--------------------Google Code 2010 -- Yannick Verdie--------------------//
+#ifndef __OPENCV_HIGHGUI_QT_H__
+#define __OPENCV_HIGHGUI_QT_H__
+
+
+#include "precomp.hpp"
+
+#if defined( HAVE_QT_OPENGL )
+#include <QtOpenGL>
+#include <QGLWidget>
+#endif
+
+#include <QAbstractEventDispatcher>
+#include <QtGui/QApplication>
+#include <QFile>
+#include <QPushButton>
+#include <QtGui/QGraphicsView>
+#include <QSizePolicy>
+#include <QInputDialog>
+#include <QtGui/QBoxLayout>
+#include <QSettings>
+#include <qtimer.h>
+#include <QtConcurrentRun>
+#include <QWaitCondition>
+#include <QKeyEvent>
+#include <QMetaObject>
+#include <QPointer>
+#include <QSlider>
+#include <QLabel>
+#include <QIODevice>
+#include <QShortcut>
+#include <QStatusBar>
+#include <QVarLengthArray>
+#include <QFileInfo>
+#include <QDate>
+#include <QFileDialog>
+#include <QToolBar>
+#include <QAction>
+#include <QPushButton>
+#include <QCheckBox>
+#include <QRadioButton>
+#include <QButtonGroup>
+#include <QMenu>
+
+//start private enum
+enum {CV_MODE_NORMAL= 0, CV_MODE_OPENGL = 1};
+
+//we can change the keyboard shortcuts from here !
+enum {	shortcut_zoom_normal 	= Qt::CTRL + Qt::Key_Z,
+		shortcut_zoom_imgRegion = Qt::CTRL + Qt::Key_X,
+		shortcut_save_img		= Qt::CTRL + Qt::Key_S,
+		shortcut_properties_win	= Qt::CTRL + Qt::Key_P,
+		shortcut_zoom_in 		= Qt::CTRL + Qt::Key_Plus,//QKeySequence(QKeySequence::ZoomIn),
+		shortcut_zoom_out		= Qt::CTRL + Qt::Key_Minus,//QKeySequence(QKeySequence::ZoomOut),
+		shortcut_panning_left 	= Qt::CTRL + Qt::Key_Left,
+		shortcut_panning_right 	= Qt::CTRL + Qt::Key_Right,
+		shortcut_panning_up 	= Qt::CTRL + Qt::Key_Up,
+		shortcut_panning_down 	= Qt::CTRL + Qt::Key_Down
+	};
+
+
+//end enum
+
+class CvWindow;
+class ViewPort;
+#if defined( HAVE_QT_OPENGL )
+class OpenGLWidget;
+#endif
+
+
+class GuiReceiver : public QObject
+{
+    Q_OBJECT
+
+public:
+    GuiReceiver();
+	~GuiReceiver();
+    int start();
+	void isLastWindow();
+
+    bool _bTimeOut;
+	QTimer *timer;
+
+private:
+	int nb_windows;
+
+public slots:
+    void createWindow( QString name, int flags = 0 );
+    void destroyWindow(QString name);
+    void destroyAllWindow();
+    void addSlider(QString trackbar_name, QString window_name, void* value, int count, void* on_change);
+    void moveWindow(QString name, int x, int y);
+    void resizeWindow(QString name, int width, int height);
+    void showImage(QString name, void* arr);
+    void displayInfo( QString name, QString text, int delayms );
+    void displayStatusBar( QString name, QString text, int delayms );
+    void timeOut();
+    void toggleFullScreen(QString name, double flags );
+    double isFullScreen(QString name);
+    double getPropWindow(QString name);
+    void setPropWindow(QString name, double flags );
+    double getRatioWindow(QString name);
+    void setRatioWindow(QString name, double arg2 );
+    void saveWindowParameters(QString name);
+    void loadWindowParameters(QString name);
+    void setOpenGLCallback(QString window_name, void* callbackOpenGL, void* userdata, double angle, double zmin, double zmax);
+    void putText(void* arg1, QString text, QPoint org, void* font);
+    void addButton(QString button_name, int button_type, int initial_button_state , void* on_change, void* userdata);
+};
+
+enum typeBar{type_CvTrackbar = 0, type_CvButtonbar = 1};
+class CvBar  :  public QHBoxLayout
+{
+public:
+    typeBar type;
+    QString name_bar;
+    QPointer<QWidget> myparent;
+};
+
+
+class CvButtonbar : public CvBar
+{
+    Q_OBJECT
+public:
+    CvButtonbar(QWidget* arg, QString bar_name);
+    ~CvButtonbar();
+    void addButton( QString button_name, CvButtonCallback call, void* userdata,  int button_type, int initial_button_state);
+
+private:
+    void setLabel();
+
+    QPointer<QLabel> label;
+    QPointer<QButtonGroup> group_button;
+};
+
+
+class CvPushButton : public QPushButton
+{
+    Q_OBJECT
+public:
+    CvPushButton(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata);
+
+private:
+    CvButtonbar* myparent;
+    QString button_name ;
+    CvButtonCallback callback;
+    void* userdata;
+
+private slots:
+    void callCallBack(bool);
+};
+
+
+
+class CvCheckBox : public QCheckBox
+{
+    Q_OBJECT
+public:
+    CvCheckBox(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata, int initial_button_state);
+
+private:
+    CvButtonbar* myparent;
+    QString button_name ;
+    CvButtonCallback callback;
+    void* userdata;
+
+private slots:
+    void callCallBack(bool);
+};
+
+class CvRadioButton : public QRadioButton
+{
+    Q_OBJECT
+public:
+    CvRadioButton(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata, int initial_button_state);
+
+private:
+    CvButtonbar* myparent;
+    QString button_name ;
+    CvButtonCallback callback;
+    void* userdata;
+
+private slots:
+    void callCallBack(bool);
+};
+
+
+
+class CvTrackbar :  public CvBar
+{
+    Q_OBJECT
+public:
+    CvTrackbar(CvWindow* parent, QString name, int* value, int count, CvTrackbarCallback on_change = NULL);
+    ~CvTrackbar();
+
+    //QString trackbar_name;
+    QPointer<QSlider> slider;
+
+private slots:
+    void createDialog();
+    void update(int myvalue);
+
+private:
+    void setLabel(int myvalue);
+    QString createLabel();
+    QPointer<QPushButton > label;
+    CvTrackbarCallback callback;
+    int* dataSlider;
+
+};
+
+class CvWinProperties : public QWidget
+{
+    Q_OBJECT
+public:
+    CvWinProperties(QString name,QWidget* parent);
+    ~CvWinProperties();
+    QPointer<QBoxLayout> myLayout;
+
+private:
+    void closeEvent ( QCloseEvent * e );
+    void showEvent ( QShowEvent * event ) ;
+    void hideEvent ( QHideEvent * event ) ;
+};
+
+
+
+class GlobalLayout : public QBoxLayout
+{
+    Q_OBJECT
+public:
+	GlobalLayout(QWidget* parent) : QBoxLayout(QBoxLayout::TopToBottom,parent){};
+	bool hasHeightForWidth () {return true;};
+	int heightForWidth( int w ) {qDebug()<<"yopyopypp";return w;};
+};
+
+
+class CvWindow : public QWidget
+{
+    Q_OBJECT
+public:
+    CvWindow(QString arg2, int flag = CV_WINDOW_NORMAL);
+    ~CvWindow();
+    static void addSlider(CvWindow* w,QString name, int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL));
+    void setMouseCallBack(CvMouseCallback m, void* param);
+    void updateImage(void* arr);
+    void displayInfo(QString text, int delayms );
+    void displayStatusBar(QString text, int delayms );
+    void readSettings();
+    void writeSettings();
+    void setOpenGLCallback(CvOpenGLCallback arg1,void* userdata, double angle, double zmin, double zmax);
+    void hideTools();
+    void showTools();
+    static CvButtonbar* createButtonbar(QString bar_name);
+	QSize getAvailableSize();
+
+
+    ViewPort* getView();
+
+    QPointer<QBoxLayout> myGlobalLayout;//All the widget (toolbar, view, LayoutBar, ...) are attached to it
+    QPointer<QBoxLayout> myBarLayout;
+    QPointer<QStatusBar> myStatusBar;
+    QPointer<QToolBar> myToolBar;
+    QPointer<QLabel> myStatusBar_msg;
+
+    //parameters (will be save/load)
+    QString param_name;
+    CvWinProperties* parameters_window ;
+    int param_flags;
+    int param_gui_mode;
+	int param_ratio_mode;
+    QVector<QAction*> vect_QActions;
+
+
+protected:
+    virtual void keyPressEvent(QKeyEvent *event);
+
+private:
+    QPointer<ViewPort> myview;
+    QVector<QShortcut*> vect_QShortcuts;
+
+    void icvLoadTrackbars(QSettings *settings);
+    void icvSaveTrackbars(QSettings *settings);
+	void icvLoadControlPanel();
+	void icvSaveControlPanel();
+	void icvLoadButtonbar(CvButtonbar* t,QSettings *settings);
+	void icvSaveButtonbar(CvButtonbar* t,QSettings *settings);
+
+    void createShortcuts();
+    void createActions();
+    void createToolBar();
+    void createView(int display_mode, int ratio_mode);
+    void createStatusBar();
+    void createGlobalLayout();
+    void createBarLayout();
+    CvWinProperties* createParameterWindow();
+
+private slots:
+    void displayPropertiesWin();
+};
+
+
+
+
+enum type_mouse_event {mouse_up = 0, mouse_down = 1, mouse_dbclick = 2, mouse_move = 3};
+
+static const int tableMouseButtons[][3]={
+    {CV_EVENT_LBUTTONUP,CV_EVENT_RBUTTONUP,CV_EVENT_MBUTTONUP},		    	//mouse_up
+    {CV_EVENT_LBUTTONDOWN,CV_EVENT_RBUTTONDOWN,CV_EVENT_MBUTTONDOWN},		//mouse_down
+    {CV_EVENT_LBUTTONDBLCLK,CV_EVENT_RBUTTONDBLCLK,CV_EVENT_MBUTTONDBLCLK},	//mouse_dbclick
+    {CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE}		    	//mouse_move
+};
+
+
+static const double DEFAULT_ANGLE  = 45.0;
+static const double DEFAULT_ZMIN = 0.01;
+static const double  DEFAULT_ZMAX = 1000.0;
+class ViewPort : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    ViewPort(CvWindow* centralWidget, int mode = CV_MODE_NORMAL, int keepRatio = CV_WINDOW_KEEPRATIO);
+    ~ViewPort();
+    void updateImage(void* arr);
+    void startDisplayInfo(QString text, int delayms);
+    void setMouseCallBack(CvMouseCallback m, void* param);
+    void setOpenGLCallback(CvOpenGLCallback func,void* userdata, double arg3, double arg4, double arg5);
+    int getRatio();
+    void setRatio(int arg);
+	int heightForWidth( int w );// {qDebug()<<"yopyopypp";return w;};
+	bool hasHeightForWidth (){qDebug()<<"ask";return true;};
+
+    //parameters (will be save/load)
+    QTransform param_matrixWorld;
+
+    int param_keepRatio;
+
+    IplImage* image2Draw_ipl;
+    QImage image2Draw_qt;
+    QImage image2Draw_qt_resized;
+    int mode_display;//opengl or native
+    int nbChannelOriginImage;
+
+public slots:
+    //reference:
+    //http://www.qtcentre.org/wiki/index.php?title=QGraphicsView:_Smooth_Panning_and_Zooming
+    //http://doc.qt.nokia.com/4.6/gestures-imagegestures-imagewidget-cpp.html
+    void scaleView(qreal scaleFactor, QPointF center);
+    void imgRegion();
+    void moveView(QPointF delta);
+    void resetZoom();
+    void ZoomIn();
+    void ZoomOut();
+    void siftWindowOnLeft();
+    void siftWindowOnRight();
+    void siftWindowOnUp() ;
+    void siftWindowOnDown();
+    void resizeEvent ( QResizeEvent * );
+    void saveView();
+    void contextMenuEvent(QContextMenuEvent *event);
+
+
+private:
+    QPoint mouseCoordinate;
+    QPointF positionGrabbing;
+    QRect  positionCorners;
+    QTransform matrixWorld_inv;
+    float ratioX, ratioY;
+
+    //for mouse callback
+    CvMouseCallback on_mouse;
+    void* on_mouse_param;
+
+    //for opengl callback
+    CvOpenGLCallback on_openGL_draw3D;
+    void* on_openGL_param;
+
+    bool isSameSize(IplImage* img1,IplImage* img2);
+    QSize sizeHint() const;
+    QPointer<CvWindow> centralWidget;
+    QPointer<QTimer> timerDisplay;
+    bool drawInfo;
+    QString infoText;
+	QRectF target;
+    //QImage* image;
+
+    void paintEvent(QPaintEvent* paintEventInfo);
+    void wheelEvent(QWheelEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void mouseDoubleClickEvent(QMouseEvent *event);
+    void drawInstructions(QPainter *painter);
+    void drawViewOverview(QPainter *painter);
+    void drawImgRegion(QPainter *painter);
+    void draw2D(QPainter *painter);
+    void drawStatusBar();
+    void controlImagePosition();
+    void icvmouseHandler(QMouseEvent *event, type_mouse_event category, int &cv_event, int &flags);
+    void icvmouseProcessing(QPointF pt, int cv_event, int flags);
+
+#if defined( HAVE_QT_OPENGL )
+	QPointer<OpenGLWidget> myGL;
+	double angle;
+	double zmin;
+	double zmax;
+    void unsetGL();
+    void initGL();
+    void setGL(int width, int height);
+    void icvgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar);
+#endif
+
+private slots:
+    void stopDisplayInfo();
+};
+
+#endif