initial import

ClippingStation/fullpageview.h

@@ -0,0 +1,261 @@
+/************************************************************************
+ * $Id: fullpageview.h 666 2011-05-08 22:48:10Z elzubeir $
+ *
+ * ------------
+ * Description:
+ * ------------
+ *
+ * (C) Copyright 2009-2011 ALLCONTENT. All rights reserved.
+ *
+ * -----------------
+ * Revision Details:    (Updated by Revision Control System)
+ * -----------------
+ *  $Date: 2011-05-09 02:48:10 +0400 (Mon, 09 May 2011) $
+ *  $Author: elzubeir $
+ *  $Revision: 666 $
+ *  $HeadURL: file:///opt/svn/socialhose/trunk/app/ClippingStation/fullpageview.h $
+ *
+ ************************************************************************/
+
+#ifndef SOURCE_VIEW_H
+#define SOURCE_VIEW_H
+
+#include <QGraphicsView>
+
+#include "constants.h"
+#include "imagecutout.h"
+#include "clippingstation.h"
+#include "tagcoordinates.h"
+#include "wordcoordinates.h"
+
+class FullPageScene;
+class ClippingStation;
+class QRubberBand;
+
+
+/**
+	\brief FullPage View is the left view.
+	This is where the user can see the full image loaded.
+	As a view class, its role is to pass UI interaction to the scene.
+	It got also responsability to draw the selection cutouts.
+*/
+class FullPageView : public QGraphicsView
+{
+public:
+    FullPageView(QWidget * parent); ///< ctor
+
+    ~FullPageView();
+
+    /**
+    \brief load image to the scene.
+    \param fileName file name image.
+    \return loading state.
+    */
+    bool load(const QString & fileName);
+
+    /**
+    \brief accessors to main window
+    Used to acess to status bar, toolbar...
+    */
+    void setClippingStation(ClippingStation* clippingStation);
+
+    ClippingStation * getClippingStation() const;
+
+    /**
+    \brief rotate action. Occurs only if an image is load in the scene.
+    \param isRotatingToRight. Rotate direction. Set to true means rotate right, false means left.
+    */
+    void rotate(double rotateAngle);
+
+    /**
+    \brief zoom action. Occurs only if an image is load in the scene.
+    \param isZoomIn. Zoom direction. Set to true means zoom in, false means zoom out.
+    */
+    qreal zoom(bool isIn);
+
+    qreal actualSize();
+
+    void setScale(qreal oldscale);
+
+    void setPageLayout(PAGE_LAYOUT layout);
+
+    void setSelectionMode(SELECTION_MODE selectionMode);
+
+    const QList<ImageCutout *> imageCutoutsList() const;
+
+    //! \fn setImageCutouts()
+    //!     add image cutouts to the scene
+    //! \param[in] image cutous list to be added
+    //! \author elzubeir
+    void setImageCutouts(QList<ImageCutout *> cutouts);
+
+    //! \fn hideImageCutouts()
+    //!     hide image cutouts from the scene
+    //! \author elzubeir
+    void hideImageCutouts();
+
+    //! \fn removeImageCutout()
+    //!      remove all the image cutouts from the scene
+    //! \author elzubeir
+    void removeImageCutouts();
+
+    //! \fn setPreselectedImageCutouts()
+    //!     add preselected image cutout to the scene
+    //! \param[in] list of the preselected image cutouts to be added
+    //! \author elzubeir
+    void setPreselectedImageCutouts(QList<ImageCutout *> cutouts);
+
+    //! \fn removePreselectedImageCutouts()
+    //!     remove the preselected image cutouts
+    //! \author elzubeir
+    void removePreselectedImageCutouts();
+
+    //! \fn preselectedImageCutoutsCount()
+    //!     count of preselected image cutout
+    //! \returns count of the preselected cutouts
+    //! \author elzubeir
+    int preselectedImageCutoutsCount();
+
+    //! \fn pageSize()
+    //!     the size of the image page
+    //! \returns the size of the image
+    //! \author elzubeir
+    qreal pageSize();
+
+    //! \fn screenShot()
+    //!     create a screen shot of the image on the scene
+    //! \returns image of the screen shot
+    //! \author elzubeir
+    QImage screenShot();
+
+    //! \fn addWordCoordinates()
+    //!     add words of the page to the scene
+    //! \param[in]  list of WordCoordinates to add to the scene
+    //! \author elzubeir
+    void addWordCoordinates(QList<WordCoordinates> &tagW);
+
+    //! \fn addTagCoordinates()
+    //!     add words of the page to the scene
+    //! \param[in]  list of TagCoordinates to add to the scene
+    //! \author elzubeir
+    void addTagCoordinates(QList<TagCoordinates> &tagH);
+
+    //! \fn setOrderMode()
+    //!     set the order mode to set of select
+    //! \param[in] order mode
+    //! \author elzubeir
+    void setOrderMode(bool set);
+
+    //! \fn addTags()
+    //!     add tags to the tagwrapper
+    //! \param[in] tagIds: list of tags to be added
+    //! \param[in] tagCoord: list of coordinates to be added
+    //! \param[in] removeAndThenAdd: remove tags from wrapper and then add
+    //! \return void
+    //! \author elzubeir
+    void addTags(QList<int> &tagIds, QStringList tagCoord, bool removedAndThenAdd);
+
+    //! \fn text()
+    //!     returns a text of the image
+    //! \author elzubeir
+    QString text();
+
+    void setImageVisibility(bool show);
+
+protected:
+
+    //! \fn leaveEvent()
+    //!     called when mouse cursor leave the view.
+    //! \author elzubeir
+    virtual void leaveEvent(QEvent * event);
+
+    //! \fn mousePressEvent()
+    //!     called when a mouse button is pressed.
+    //! \author elzubeir
+    virtual void mousePressEvent(QMouseEvent *event);
+
+    //! \fn mouseMoveEvent()
+    //!     called when a mouse is moved
+    //! \author elzubeir
+    virtual void mouseMoveEvent(QMouseEvent *event);
+
+    //! \fn mouseReleaseEvent()
+    //!     called when mouse button is released.
+    //! \author elzubeir
+    virtual void mouseReleaseEvent(QMouseEvent *event);
+
+    //! \fn resizeEvent()
+    //!     resize the view's viewport
+    //! \param[in] event    QResizeEvent* event's paramter for resizing
+    //! \author elzubeir
+    void resizeEvent(QResizeEvent* event);
+
+    //! \fn keyPressEvent()
+    //!     overrides the keyPressEvent() function
+    //! \author elzubeir
+    virtual void keyPressEvent(QKeyEvent * event);
+
+    virtual void mouseDoubleClickEvent(QMouseEvent *event);
+
+private:
+
+    //! \fn mapToImageItem()
+    //!     map a scene position to the image item position.
+    //! \param[in] point to be mapped
+    //! \returns a mapped point
+    //! \author elzubeir
+    QPointF mapToImageItem(const QPointF & scenePos) const;
+
+    //! \fn checkBoundary()
+    //!     check if the point is on the item's boundaries
+    //! \param[in] point of the current point to check
+    //! \param[in] bool for tweaking part.
+    //! \author elzubeir
+    void checkBoundary(QPoint pt, bool t);
+
+private:
+    //! the scene
+    FullPageScene * m_scene;
+    //! main window.
+    ClippingStation * m_clippingStation;
+    //! scene origin point where click starts. Used to draw selection rect.
+    QPoint m_origin;
+
+    //! selection rect
+    QRubberBand * m_rubberBand;
+
+    //! scale
+    qreal m_scale;
+
+    //! rotation
+    qreal m_rotationAngle;
+
+    //! page layout
+    PAGE_LAYOUT m_pageLayout;
+
+    //! selection type
+    SELECTION_AREA_TYPE m_selectionAreaType;
+
+    //! selection mode
+    SELECTION_MODE m_selectionMode;
+
+    //! page name
+    QString m_currentPageName;
+
+    //! are we twaking
+    bool tweaking;
+
+    //! is moue pressed
+    bool mousePressed;
+
+    //! origina point
+    QPoint origin ;
+
+    //! tweaking part
+    QString tweakingpart ;
+
+    //! points for top/let, top/right, bottom/left, bottom/right
+    QPoint tl, tr, bl, br ;
+};
+
+#endif // SOURCE_VIEW_H