qcanvas.h

motorola E680I的EZK SDK.

    QCanvasPixmap(const QImage& image);
    QCanvasPixmap(const QPixmap&, QPoint hotspot);
    ~QCanvasPixmap();

    int offsetX() const
	{ return hotx; }
    int offsetY() const
	{ return hoty; }
    void setOffset(int x, int y) { hotx = x; hoty = y; }

private:
    void init(const QImage&);
    void init(const QPixmap& pixmap, int hx, int hy);

    friend class QCanvasSprite;
    friend class QCanvasPixmapArray;
    friend bool qt_testCollision(const QCanvasSprite* s1, const QCanvasSprite* s2);

    int hotx,hoty;

    QImage* collision_mask;
};


class Q_EXPORT QCanvasPixmapArray
{
public:
    QCanvasPixmapArray();
    QCanvasPixmapArray(const QString& datafilenamepattern, int framecount=0);
    QCanvasPixmapArray(QList<QPixmap>, QList<QPoint> hotspots);
    ~QCanvasPixmapArray();

    bool readPixmaps(const QString& datafilenamepattern, int framecount=0);
    bool readCollisionMasks(const QString& filenamepattern);

    int operator!(); // Failure check.

    QCanvasPixmap* image(int i) const
	{ return img[i]; }
    void setImage(int i, QCanvasPixmap* p);
    uint count() const
	{ return (uint)framecount; }

private:
    bool readPixmaps(const QString& datafilenamepattern, int framecount, bool maskonly);

    void reset();
    int framecount;
    QCanvasPixmap** img;
};


class Q_EXPORT QCanvasSprite : public QCanvasItem
{
public:
    QCanvasSprite(QCanvasPixmapArray* array, QCanvas* canvas);

    void setSequence(QCanvasPixmapArray* seq);

    virtual ~QCanvasSprite();

    void move(double x, double y);
    virtual void move(double x, double y, int frame);
    void setFrame(int);
    int frame() const
	{ return frm; }
    int frameCount() const
	{ return images->count(); }

    virtual int rtti() const;

    bool collidesWith( const QCanvasItem* ) const;

    QRect boundingRect() const;

protected:
    void draw(QPainter& painter);

    int width() const;
    int height() const;

    int absX() const;
    int absY() const;
    int absX2() const;
    int absY2() const;

    int absX(int nx) const;
    int absY(int ny) const;
    int absX2(int nx) const;
    int absY2(int ny) const;
    QCanvasPixmap* image() const
	{ return images->image(frm); }
    virtual QCanvasPixmap* imageAdvanced() const;
    QCanvasPixmap* image(int f) const
	{ return images->image(f); }

private:
    void addToChunks();
    void removeFromChunks();
    void changeChunks();

    int frm;
    bool collidesWith( const QCanvasSprite*,
		       const QCanvasPolygonalItem*,
		       const QCanvasRectangle*,
		       const QCanvasEllipse*,
		       const QCanvasText* ) const;

    friend bool qt_testCollision( const QCanvasSprite* s1, 
				  const QCanvasSprite* s2 );

    QCanvasPixmapArray* images;
};

class QPolygonalProcessor;

class Q_EXPORT QCanvasPolygonalItem : public QCanvasItem
{
public:
    QCanvasPolygonalItem(QCanvas* canvas);
    virtual ~QCanvasPolygonalItem();

    bool collidesWith( const QCanvasItem* ) const;

    virtual void setPen(QPen p);
    virtual void setBrush(QBrush b);

    QPen pen() const
	{ return pn; }
    QBrush brush() const
	{ return br; }

    virtual QPointArray areaPoints() const=0;
    virtual QPointArray areaPointsAdvanced() const;
    QRect boundingRect() const;

    int rtti() const;

protected:
    void draw(QPainter &);
    virtual void drawShape(QPainter &) = 0;

    bool winding() const;
    void setWinding(bool);

private:
    void scanPolygon( const QPointArray& pa, int winding,
		      QPolygonalProcessor& process ) const;
    QPointArray chunks() const;

    bool collidesWith( const QCanvasSprite*,
		       const QCanvasPolygonalItem*,
		       const QCanvasRectangle*,
		       const QCanvasEllipse*,
		       const QCanvasText* ) const;

    QBrush br;
    QPen pn;
    uint wind:1;
};


class Q_EXPORT QCanvasRectangle : public QCanvasPolygonalItem
{
public:
    QCanvasRectangle(QCanvas* canvas);
    QCanvasRectangle(const QRect&, QCanvas* canvas);
    QCanvasRectangle(int x, int y, int width, int height, QCanvas* canvas);

    ~QCanvasRectangle();

    int width() const;
    int height() const;
    void setSize(int w, int h);
    QSize size() const
	{ return QSize(w,h); }
    QPointArray areaPoints() const;
    QRect rect() const
	{ return QRect(int(x()),int(y()),w,h); }

    bool collidesWith( const QCanvasItem* ) const;

    int rtti() const;

protected:
    void drawShape(QPainter &);
    QPointArray chunks() const;

private:
    bool collidesWith(   const QCanvasSprite*,
			 const QCanvasPolygonalItem*,
			 const QCanvasRectangle*,
			 const QCanvasEllipse*,
			 const QCanvasText* ) const;

    int w, h;
};


class Q_EXPORT QCanvasPolygon : public QCanvasPolygonalItem
{
public:
    QCanvasPolygon(QCanvas* canvas);
    ~QCanvasPolygon();
    void setPoints(QPointArray);
    QPointArray points() const;
    void moveBy(double dx, double dy);

    QPointArray areaPoints() const;
    int rtti() const;

protected:
    void drawShape(QPainter &);
    QPointArray poly;
};


class Q_EXPORT QCanvasLine : public QCanvasPolygonalItem
{
public:
    QCanvasLine(QCanvas* canvas);
    ~QCanvasLine();
    void setPoints(int x1, int y1, int x2, int y2);

    QPoint startPoint() const
	{ return QPoint(x1,y1); }
    QPoint endPoint() const
	{ return QPoint(x2,y2); }

    int rtti() const;

    void setPen(QPen p);

protected:
    void drawShape(QPainter &);
    QPointArray areaPoints() const;

private:
    int x1,y1,x2,y2;
};


class Q_EXPORT QCanvasEllipse : public QCanvasPolygonalItem
{

public:
    QCanvasEllipse( QCanvas* canvas );
    QCanvasEllipse( int width, int height, QCanvas* canvas );
    QCanvasEllipse( int width, int height, int startangle, int angle,
		    QCanvas* canvas );

    ~QCanvasEllipse();

    int width() const;
    int height() const;
    void setSize(int w, int h);
    void setAngles(int start, int length);
    int angleStart() const
	{ return a1; }
    int angleLength() const
	{ return a2; }
    QPointArray areaPoints() const;

    bool collidesWith( const QCanvasItem* ) const;

    int rtti() const;

protected:
    void drawShape(QPainter &);

private:
    bool collidesWith( const QCanvasSprite*,
		       const QCanvasPolygonalItem*,
		       const QCanvasRectangle*,
		       const QCanvasEllipse*,
		       const QCanvasText* ) const;
    int w, h;
    int a1, a2;
};


class QCanvasTextExtra;

class Q_EXPORT QCanvasText : public QCanvasItem
{
public:
    QCanvasText(QCanvas* canvas);
    QCanvasText(const QString&, QCanvas* canvas);
    QCanvasText(const QString&, QFont, QCanvas* canvas);

    virtual ~QCanvasText();

    void setText( const QString& );
    void setFont( const QFont& );
    void setColor( const QColor& );
    QString text() const;
    QFont font() const;
    QColor color() const;

    void moveBy(double dx, double dy);

    int textFlags() const
	{ return flags; }
    void setTextFlags(int);

    QRect boundingRect() const;

    bool collidesWith( const QCanvasItem* ) const;

    virtual int rtti() const;

protected:
    virtual void draw(QPainter&);

private:
    void addToChunks();
    void removeFromChunks();
    void changeChunks();

    void setRect();
    QRect brect;
    QString txt;
    int flags;
    QFont fnt;
    QColor col;
    QCanvasTextExtra* extra;

    bool collidesWith(   const QCanvasSprite*,
			 const QCanvasPolygonalItem*,
			 const QCanvasRectangle*,
			 const QCanvasEllipse*,
			 const QCanvasText* ) const;
};


#endif // QT_NO_CANVAS

#endif // QCANVAS_H