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OpenBoard/src/adaptors/UBCFFSubsetAdaptor.h

140 lines
5.5 KiB

/*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBCFFSUBSETADAPTOR_H
#define UBCFFSUBSETADAPTOR_H
#include <QtXml>
#include <QString>
#include <QStack>
#include <QDomDocument>
#include <QHash>
class UBDocumentProxy;
class UBGraphicsScene;
class QSvgGenerator;
class UBGraphicsSvgItem;
class UBGraphicsPixmapItem;
class UBGraphicsItemDelegate;
class QTransform;
class QPainter;
class UBGraphicsItem;
class QGraphicsItem;
class QTextBlockFormat;
class QTextCharFormat;
class QTextCursor;
class UBCFFSubsetAdaptor
{
public:
UBCFFSubsetAdaptor();
static bool ConvertCFFFileToUbz(QString &cffSourceFile, UBDocumentProxy* pDocument);
private:
class UBCFFSubsetReader
{
public:
UBCFFSubsetReader(UBDocumentProxy *proxy, QFile *content);
~UBCFFSubsetReader();
UBDocumentProxy *mProxy;
QString pwdContent;
bool parse();
private:
QString mTempFilePath;
UBGraphicsScene *mCurrentScene;
QRectF mCurrentSceneRect;
QString mIndent;
QRectF mViewBox;
QRectF mViewPort;
qreal mVBTransFactor;
QPointF mViewBoxCenter;
QSize mSize;
QPointF mShiftVector;
private:
QDomDocument mDOMdoc;
QDomNode mCurrentDOMElement;
QHash<QString, UBGraphicsItem*> persistedItems;
QDir mTmpFlashDir;
bool hashElements();
void addExtentionsToHash(QDomElement *parent, QDomElement *topGroup);
void hashSvg(QDomNode *parent, QString prefix = "");
void hashSiblingIwbElements(QDomElement *parent, QDomElement *topGroup = 0);
inline void parseSvgSectionAttr(const QDomElement &);
bool parseSvgPage(const QDomElement &parent);
bool parseSvgPageset(const QDomElement &parent);
bool parseSvgElement(const QDomElement &parent);
bool parseIwbMeta(const QDomElement &element);
bool parseSvg(const QDomElement &svgSection);
inline bool parseGSection(const QDomElement &element);
inline bool parseSvgSwitchSection(const QDomElement &element);
inline bool parseSvgRect(const QDomElement &element);
inline bool parseSvgEllipse(const QDomElement &element);
inline bool parseSvgPolygon(const QDomElement &element);
inline bool parseSvgPolyline(const QDomElement &element);
inline bool parseSvgText(const QDomElement &element);
inline bool parseSvgTextarea(const QDomElement &element);
inline bool parseSvgImage(const QDomElement &element);
inline bool parseSvgFlash(const QDomElement &element);
inline bool parseSvgAudio(const QDomElement &element);
inline bool parseSvgVideo(const QDomElement &element);
inline bool parseIwbGroup(QDomElement &parent);
inline bool parseIwbElement(QDomElement &element);
inline void parseTSpan(const QDomElement &parent, QPainter &painter
, qreal &curX, qreal &curY, qreal &width, qreal &height, qreal &linespacing, QRectF &lastDrawnTextBoundingRect
, qreal &fontSize, QColor &fontColor, QString &fontFamily, QString &fontStretch, bool &italic
, int &fontWeight, int &textAlign, QTransform &fontTransform);
inline void parseTSpan(const QDomElement &element, QTextCursor &cursor
, QTextBlockFormat &blockFormat, QTextCharFormat &charFormat);
inline void hashSceneItem(const QDomElement &element, UBGraphicsItem *item);
// to kill
inline void parseTextAttributes(const QDomElement &element, qreal &fontSize, QColor &fontColor,
QString &fontFamily, QString &fontStretch, bool &italic,
int &fontWeight, int &textAlign, QTransform &fontTransform);
inline void parseTextAttributes(const QDomElement &element, QFont &font, QColor);
inline void readTextBlockAttr(const QDomElement &element, QTextBlockFormat &format);
inline void readTextCharAttr(const QDomElement &element, QTextCharFormat &format);
//elements parsing methods
bool parseDoc();
bool createNewScene();
bool persistCurrentScene();
bool persistScenes();
// helper methods
void repositionSvgItem(QGraphicsItem *item, qreal width, qreal height,
qreal x, qreal y,
QTransform &transform);
QColor colorFromString(const QString& clrString);
QTransform transformFromString(const QString trString, QGraphicsItem *item = 0);
bool getViewBoxDimenstions(const QString& viewBox);
QSvgGenerator* createSvgGenerator(qreal width, qreal height);
bool getTempFileName();
inline bool strToBool(QString);
bool createTempFlashPath();
};
};
#endif // UBCFFSUBSETADAPTOR_H