importcgm.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.
*/
/***************************************************************************
                          importcgm.h  -  description
                             -------------------
    begin                : Wed Dez 23 2009
    copyright            : (C) 2009 by Franz Schmid
    email                : Franz.Schmid@altmuehlnet.de
 ***************************************************************************/

#ifndef IMPORTCGM_H
#define IMPORTCGM_H

#include "pluginapi.h"
#include "pageitem.h"
#include "sccolor.h"
#include "fpointarray.h"
#include <QList>
#include <QTransform>
#include <QMultiMap>
#include <QtGlobal>
#include <QObject>
#include <QString>

class MultiProgressDialog;
class ScribusDoc;
class Selection;
class TransactionSettings;

class ScBitReader
{
    public:
        ScBitReader(QByteArray &data);
        ~ScBitReader();
        quint32 getUInt(uint size);
        void alignToWord();
    private:
        int actByte;
        int actBit;
        QByteArray buffer;
};

class CgmPlug : public QObject
{
    Q_OBJECT

public:
    CgmPlug( ScribusDoc* doc, int flags );
    ~CgmPlug();

    bool import(QString fn, const TransactionSettings& trSettings, int flags, bool showProgress = true);
    QImage readThumbnail(QString fn);

private:
    void parseHeader(QString fName, double &b, double &h);
    bool convert(QString fn);
    void decodeText(QFile &f);

/* binary Decoder */
    void    decodeBinary(QDataStream &ts, quint16 elemClass, quint16 elemID, quint16 paramLen);
    void    decodeClass0(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass1(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass2(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass3(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass4(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass5(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass6(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass7(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass8(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    decodeClass9(QDataStream &ts, quint16 elemID, quint16 paramLen);
    void    getBinaryBezierPath(QDataStream &ts, quint16 paramLen);
    void    getBinaryPath(QDataStream &ts, quint16 paramLen, bool disjoint = false);
    void    getBinaryColorTable(QDataStream &ts, quint16 paramLen);
    ScColor getBinaryDirectColor(ScBitReader *breader);
    ScColor getBinaryDirectColor(QDataStream &ts);
    QString getBinaryIndexedColor(ScBitReader *breader);
    QString getBinaryIndexedColor(QDataStream &ts);
    QString getBinaryColor(QDataStream &ts);
    double  getBinaryDistance(QDataStream &ts);
    QPointF getBinaryCoords(QDataStream &ts, bool raw = false);
    uint    getBinaryUInt(QDataStream &ts, int intP);
    int     getBinaryInt(QDataStream &ts, int intP);
    double  getBinaryReal(QDataStream &ts, int realP, int realM);
    QString getBinaryText(QDataStream &ts);
    void    alignStreamToWord(QDataStream &ts, uint len);

/* core functions */
    void    handleStartMetaFile(QString value);
    void    handleStartPicture(QString value);
    void    handleStartPictureBody(double width, double height);
    void    handleMetaFileDescription(QString value);
    QString handleColor(ScColor &color, QString proposedName);
    double  convertCoords(double input);
    QPointF convertCoords(QPointF input);
    void appendPath(QPainterPath &path1, QPainterPath &path2);
    PageItem* itemAdd(PageItem::ItemType itemType, PageItem::ItemFrameType frameType, double x, double y, double b, double h, double w, QString fill, QString stroke);
    void    finishItem(PageItem* ite, bool line = true);

/* common variables */
    int metaFileVersion;
    int vdcType;
    int vdcInt;
    int vdcReal;
    int vdcMantissa;
    bool vcdFlippedH;
    bool vcdFlippedV;
    double vdcWidth;
    double vdcHeight;
    double metaFileScale;
    double metaScale;
    int metaFileScaleMode;
    int intPrecision;
    int realPrecision;
    int realMantissa;
    int realFraction;
    bool realPrecisionSet;
    int indexPrecision;
    int colorPrecision;
    int colorIndexPrecision;
    uint maxColorIndex;
    int m_colorModel;
    int colorMode;
    int namePrecision;
    int lineWidthMode;
    int edgeWidthMode;
    int markerSizeMode;
    double viewPortScale;
    int viewPortScaleMode;

    int lineBundleIndex;
    Qt::PenStyle lineType;
    Qt::PenCapStyle lineCap;
    Qt::PenJoinStyle lineJoin;
    double lineWidth;
    Qt::PenStyle edgeType;
    Qt::PenCapStyle edgeCap;
    Qt::PenJoinStyle edgeJoin;
    double edgeWidth;
    uint minColor, maxColor;
    QString lineColor;
    bool lineVisible;
    QString edgeColor;
    QString fillColor;
    int fillType;
    int patternIndex;
    QMap<int, QString> patternTable;
    double patternScaleX;
    double patternScaleY;
    QString backgroundColor;
    bool backgroundSet;
    QMap<uint, QString> ColorTableMap;
    QRectF clipRect;
    bool useClipRect;
    bool clipSet;
    QPainterPath regionPath;
    bool recordRegion;
    int currentRegion;
    QMap<int, QPainterPath> regionMap;
    QPointF fillRefPoint;

    QList<PageItem*> Elements;
    int currentItemNr;
    QStack<QList<PageItem*> > groupStack;
    ColorList CustColors;
    double baseX, baseY;
    double docWidth;
    double docHeight;
    QStringList importedColors;

    FPointArray Coords;
    bool interactive;
    MultiProgressDialog * progressDialog;
    bool cancel;
    ScribusDoc* m_Doc;
    Selection* tmpSel;
    int importerFlags;
    int oldDocItemCount;
    QString baseFile;
    bool importRunning;
    bool firstPage;
    bool vcdSet;
    bool wasEndPic;
    bool recordFigure;
    QPainterPath figurePath;
    bool figClose;
    int figDocIndex;
    int figElemIndex;
    int figGstIndex;
    QString figFillColor;
    QMap<int, QString> fontID_Map;
    int m_fontIndex;
    QString textColor;
    int textSize;
    int textAlignH;
    int textScaleMode;
    QString pictName;

public slots:
    void cancelRequested() { cancel = true; }
};

#endif