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    41 

    42 #ifndef ITEM_CIRCLE_ANIMATION_H

    43 #define ITEM_CIRCLE_ANIMATION_H

    44 

    45 #include <QtCore>

    46 #include <QObject>

    47 #include <QtGui>

    48 #include <QTimeLine>

    49 #include <QList>

    50 #include "demoitem.h"

    51 #include "letteritem.h"

    52 #include "guideline.h"

    53 #include "guidecircle.h"

    54 

    55 typedef QList<LetterItem *> LetterList;

    56 class TickerEffect;

    57 

    58 class ItemCircleAnimation : public QObject, public DemoItem

    59 {

    60 public:

    61     ItemCircleAnimation(QGraphicsScene *scene = 0, QGraphicsItem *parent = 0);

    62     virtual ~ItemCircleAnimation();

    63 

    64     // overidden methods:

    65     QRectF boundingRect() const;

    66     void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0);

    67     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);

    68     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);

    69     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    70     void mousePressEvent(QGraphicsSceneMouseEvent *event);

    71     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    72     void wheelEvent(QGraphicsSceneWheelEvent *event);

    73     void animationStarted(int id = 0);

    74     void animationStopped(int id = 0);

    75     void prepare();

    76     void tick();

    77     void switchToNextEffect();

    78     void useGuideQt();

    79     void useGuideTt();

    80     void pause(bool on);

    81 

    82     bool tickOnPaint;

    83     bool paused;

    84     bool doIntroTransitions;

    85 

    86 private:

    87     void setupLetters();

    88     void createLetter(char c);

    89     void setupGuides();

    90     void useGuide(Guide *guide, int firstLetter, int lastLetter);

    91     void swapModel();

    92     void setTickerScale(float s);

    93 

    94     int showCount;

    95     float scale;

    96     QPointF mouseMoveLastPosition;

    97     int letterCount;

    98     LetterList *letterList;

    99     Guide *qtGuide1;

   100     Guide *qtGuide2;

   101     Guide *qtGuide3;

   102     Guide *currGuide;

   103     TickerEffect *effect;

   104     QTime tickTimer;

   105 };

   106 

   107 #endif // ITEM_CIRCLE_ANIMATION_H

   108 

   109 

   110