fpointarray.h

/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
                          fpointarray.h  -  description
                             -------------------
    begin                : Mit Jul 24 2002
    copyright            : (C) 2002 by Franz Schmid
    email                : Franz.Schmid@altmuehlnet.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef FPOINTARRAY_H
#define FPOINTARRAY_H

#include <QTransform>
#include <QPainterPath>
#include <QPoint>
#include <QPointF>
#include <QVector>

#include "fpoint.h"
#include "scribusapi.h"

struct SVGState;

class SCRIBUS_API FPointArray : public QVector<FPoint>
{
public: 
    FPointArray() : svgState(NULL) {};
    FPointArray(int size) : QVector<FPoint>(size), svgState(NULL) {};
    FPointArray(const FPointArray &a) : QVector<FPoint>(a), svgState(NULL) {};
    int  size() const { return QVector<FPoint>::count(); }
    bool resize(int newCount);
    void reverse();
    void setPoint(int i, double x, double y) { FPoint& p = QVector<FPoint>::operator[](i); p.xp = x; p.yp = y; };
    void setPoint(int i, FPoint p) { setPoint(i, p.xp, p.yp); }
    bool setPoints( int nPoints, double firstx, double firsty, ... );
    bool putPoints( int index, int nPoints, double firstx, double firsty,  ... );
    bool putPoints( int index, int nPoints, const FPointArray & from, int fromIndex = 0 );
    void point(int i, double *x, double *y) const;
    const FPoint& point(int i)  const{ return QVector<FPoint>::at(i); }
    QPoint pointQ(int i) const;
    QPointF pointQF(int i) const;
    void translate( double dx, double dy );
    void scale( double sx, double sy );
    QRectF boundingRect();
    FPoint WidthHeight() const;
    void map(QTransform m);
    FPointArray &operator=( const FPointArray &a );
    FPointArray copy() const;
    void setMarker();
    bool isMarker(int pos) const;
    bool isMarkerI(ConstIterator p) const;
    bool isMarkerD(double x, double y) const;
    void addPoint(double x, double y);
    void addPoint(FPoint p);
    bool hasLastQuadPoint(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) const;
    void addQuadPoint(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4);
    void addQuadPoint(FPoint p1, FPoint p2, FPoint p3, FPoint p4);
    double lenPathSeg(int seg) const;
    double lenPathDist(int seg, double t1, double t2) const;
    void pointTangentNormalAt( int seg, double t, FPoint* p, FPoint* tn, FPoint* n ) const;
    void pointDerivativesAt( int seg, double t, FPoint* p, FPoint* d1, FPoint* d2 ) const;
    ~FPointArray();
    void svgInit();
    void svgMoveTo(double x, double y);
    void svgLineTo(double x, double y);
    //void svgCurveTo(double x1, double y1, double x2, double y2);
    void svgCurveToCubic(double x1, double y1, double x2, double y2, double x3, double y3);
    void svgArcTo(double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, double x1, double y1);
    void svgClosePath();
    void calculateArc(bool relative, double &curx, double &cury, double angle, double x, double y, double r1, double r2, bool largeArcFlag, bool sweepFlag);
    bool parseSVG(const QString& svgPath);
    QString svgPath(bool closed = false) const;
    QPainterPath toQPainterPath(bool closed);
    void fromQPainterPath(QPainterPath &path, bool close = false);
private:
    SVGState * svgState;
};

#endif