q3canvas.h

奇趣公司比较新的qt/emd版本

private:
    Q_DISABLE_COPY(Q3CanvasPixmap)

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

    friend class Q3CanvasSprite;
    friend class Q3CanvasPixmapArray;
    friend bool qt_testCollision(const Q3CanvasSprite* s1, const Q3CanvasSprite* s2);

    int hotx,hoty;

    QImage* collision_mask;
};


class Q_COMPAT_EXPORT Q3CanvasPixmapArray
{
public:
    Q3CanvasPixmapArray();
#ifndef QT_NO_IMAGEIO
    Q3CanvasPixmapArray(const QString& datafilenamepattern, int framecount=0);
#endif
    // this form is deprecated
    Q3CanvasPixmapArray(Q3PtrList<QPixmap>, Q3PtrList<QPoint> hotspots);

    Q3CanvasPixmapArray(Q3ValueList<QPixmap>, Q3PointArray hotspots = Q3PointArray());
    ~Q3CanvasPixmapArray();

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

    // deprecated
    bool operator!(); // Failure check.
    bool isValid() const;

    Q3CanvasPixmap* image(int i) const
	{ return img ? img[i] : 0; }
    void setImage(int i, Q3CanvasPixmap* p);
    uint count() const
	{ return (uint)framecount; }

private:
    Q_DISABLE_COPY(Q3CanvasPixmapArray)

#ifndef QT_NO_IMAGEIO
    bool readPixmaps(const QString& datafilenamepattern, int framecount, bool maskonly);
#endif

    void reset();
    int framecount;
    Q3CanvasPixmap** img;
};


class Q_COMPAT_EXPORT Q3CanvasSprite : public Q3CanvasItem
{
public:
    Q3CanvasSprite(Q3CanvasPixmapArray* array, Q3Canvas* canvas);

    void setSequence(Q3CanvasPixmapArray* seq);

    virtual ~Q3CanvasSprite();

    void move(double x, double y);
    virtual void move(double x, double y, int frame);
    void setFrame(int);
    enum FrameAnimationType { Cycle, Oscillate };
    virtual void setFrameAnimation(FrameAnimationType=Cycle, int step=1, int state=0);
    int frame() const
	{ return frm; }
    int frameCount() const
	{ return images->count(); }

    int rtti() const;
    static int RTTI;

    bool collidesWith(const Q3CanvasItem*) const;

    QRect boundingRect() const;

    // is there a reason for these to be protected? Lars
//protected:

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

    int leftEdge() const;
    int topEdge() const;
    int rightEdge() const;
    int bottomEdge() const;

    int leftEdge(int nx) const;
    int topEdge(int ny) const;
    int rightEdge(int nx) const;
    int bottomEdge(int ny) const;
    Q3CanvasPixmap* image() const
	{ return images->image(frm); }
    virtual Q3CanvasPixmap* imageAdvanced() const;
    Q3CanvasPixmap* image(int f) const
	{ return images->image(f); }
    virtual void advance(int stage);

public:
    void draw(QPainter& painter);

private:
    Q_DISABLE_COPY(Q3CanvasSprite)

    void addToChunks();
    void removeFromChunks();
    void changeChunks();

    int frm;
    ushort anim_val;
    uint anim_state:2;
    uint anim_type:14;
    bool collidesWith(const Q3CanvasSprite*,
		       const Q3CanvasPolygonalItem*,
		       const Q3CanvasRectangle*,
		       const Q3CanvasEllipse*,
		       const Q3CanvasText*) const;

    friend bool qt_testCollision(const Q3CanvasSprite* s1,
				  const Q3CanvasSprite* s2);

    Q3CanvasPixmapArray* images;
};

class QPolygonalProcessor;

class Q_COMPAT_EXPORT Q3CanvasPolygonalItem : public Q3CanvasItem
{
public:
    Q3CanvasPolygonalItem(Q3Canvas* canvas);
    virtual ~Q3CanvasPolygonalItem();

    bool collidesWith(const Q3CanvasItem*) const;

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

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

    virtual Q3PointArray areaPoints() const=0;
    virtual Q3PointArray areaPointsAdvanced() const;
    QRect boundingRect() const;

    int rtti() const;
    static int RTTI;

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

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

    void invalidate();
    bool isValid() const
	{ return (bool)val; }

private:
    void scanPolygon(const Q3PointArray& pa, int winding,
		      QPolygonalProcessor& process) const;
    Q3PointArray chunks() const;

    bool collidesWith(const Q3CanvasSprite*,
		       const Q3CanvasPolygonalItem*,
		       const Q3CanvasRectangle*,
		       const Q3CanvasEllipse*,
		       const Q3CanvasText*) const;

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


class Q_COMPAT_EXPORT Q3CanvasRectangle : public Q3CanvasPolygonalItem
{
public:
    Q3CanvasRectangle(Q3Canvas* canvas);
    Q3CanvasRectangle(const QRect&, Q3Canvas* canvas);
    Q3CanvasRectangle(int x, int y, int width, int height, Q3Canvas* canvas);

    ~Q3CanvasRectangle();

    int width() const;
    int height() const;
    void setSize(int w, int h);
    QSize size() const
	{ return QSize(w,h); }
    Q3PointArray areaPoints() const;
    QRect rect() const
	{ return QRect(int(x()),int(y()),w,h); }

    bool collidesWith(const Q3CanvasItem*) const;

    int rtti() const;
    static int RTTI;

protected:
    void drawShape(QPainter &);
    Q3PointArray chunks() const;

private:
    bool collidesWith(  const Q3CanvasSprite*,
			 const Q3CanvasPolygonalItem*,
			 const Q3CanvasRectangle*,
			 const Q3CanvasEllipse*,
			 const Q3CanvasText*) const;

    int w, h;
};


class Q_COMPAT_EXPORT Q3CanvasPolygon : public Q3CanvasPolygonalItem
{
public:
    Q3CanvasPolygon(Q3Canvas* canvas);
    ~Q3CanvasPolygon();
    void setPoints(Q3PointArray);
    Q3PointArray points() const;
    void moveBy(double dx, double dy);

    Q3PointArray areaPoints() const;

    int rtti() const;
    static int RTTI;

protected:
    void drawShape(QPainter &);
    Q3PointArray poly;
};


class Q_COMPAT_EXPORT Q3CanvasSpline : public Q3CanvasPolygon
{
public:
    Q3CanvasSpline(Q3Canvas* canvas);
    ~Q3CanvasSpline();

    void setControlPoints(Q3PointArray, bool closed=true);
    Q3PointArray controlPoints() const;
    bool closed() const;

    int rtti() const;
    static int RTTI;

private:
    void recalcPoly();
    Q3PointArray bez;
    bool cl;
};


class Q_COMPAT_EXPORT Q3CanvasLine : public Q3CanvasPolygonalItem
{
public:
    Q3CanvasLine(Q3Canvas* canvas);
    ~Q3CanvasLine();
    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;
    static int RTTI;

    void setPen(QPen p);
    void moveBy(double dx, double dy);

protected:
    void drawShape(QPainter &);
    Q3PointArray areaPoints() const;

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


class Q_COMPAT_EXPORT Q3CanvasEllipse : public Q3CanvasPolygonalItem
{

public:
    Q3CanvasEllipse(Q3Canvas* canvas);
    Q3CanvasEllipse(int width, int height, Q3Canvas* canvas);
    Q3CanvasEllipse(int width, int height, int startangle, int angle,
		    Q3Canvas* canvas);

    ~Q3CanvasEllipse();

    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; }
    Q3PointArray areaPoints() const;

    bool collidesWith(const Q3CanvasItem*) const;

    int rtti() const;
    static int RTTI;

protected:
    void drawShape(QPainter &);

private:
    bool collidesWith(const Q3CanvasSprite*,
		       const Q3CanvasPolygonalItem*,
		       const Q3CanvasRectangle*,
		       const Q3CanvasEllipse*,
		       const Q3CanvasText*) const;
    int w, h;
    int a1, a2;
};


class Q3CanvasTextExtra;

class Q_COMPAT_EXPORT Q3CanvasText : public Q3CanvasItem
{
public:
    Q3CanvasText(Q3Canvas* canvas);
    Q3CanvasText(const QString&, Q3Canvas* canvas);
    Q3CanvasText(const QString&, QFont, Q3Canvas* canvas);

    virtual ~Q3CanvasText();

    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 Q3CanvasItem*) const;

    int rtti() const;
    static int RTTI;

protected:
    virtual void draw(QPainter&);

private:
    Q_DISABLE_COPY(Q3CanvasText)

    void addToChunks();
    void removeFromChunks();
    void changeChunks();

    void setRect();
    QRect brect;
    QString txt;
    int flags;
    QFont fnt;
    QColor col;
    Q3CanvasTextExtra* extra;

    bool collidesWith(const Q3CanvasSprite*,
                      const Q3CanvasPolygonalItem*,
                      const Q3CanvasRectangle*,
                      const Q3CanvasEllipse*,
                      const Q3CanvasText*) const;
};

QT_END_HEADER

#endif // Q3CANVAS_H