File indexing completed on 2024-05-12 16:29:03

 /*
  * This file is part of Office 2007 Filters for Calligra
  *
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Contact: Suresh Chande suresh.chande@nokia.com
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
  * version 2.1 as published by the Free Software Foundation.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA
  *
  */
 
 #ifndef COMPLEXSHAPEHANDLER_H
 #define COMPLEXSHAPEHANDLER_H
 
 #include "komsooxml_export.h"
 
 #include <QXmlStreamReader>
 #include <QString>
 
 // This class is meant to be used as a helper class to understand
 // drawingML elements avLst, gdLst and pathLst and to help
 // create a custom-shape from them
 class KOMSOOXML_EXPORT ComplexShapeHandler {
 
 public:
 
     // Set of default equations needed in order to support all variables which are possible in drawingML
     QString defaultEquations();
 
     // pathLst needs to sometimes create extra equations on the fly because arcTo is defined in a way
     // which is not compatible with odf. The equations created are returned by this function.
     QString pathEquationsCreated();
 
     // Handles avLst items and creates equations out of them
     QString handle_avLst(QXmlStreamReader* reader);
 
     // Handles gdLst items and creates equations out of them
     QString handle_gdLst(QXmlStreamReader* reader);
 
     // Handles rect item and creates coordinates for text-areas out of them
     QString handle_rect(QXmlStreamReader* reader);
 
     // Handles pathLst and creates a value which should be used for enhanced-path attribute
     // Note: remember to check pathEquationsCreated() after using this one
     QString handle_pathLst(QXmlStreamReader* reader);
 
 private:
 
     QString getArgument(QString& function, bool equation = false);
 
     QString createEquation(QString& function);
 
     QString handle_gd(QXmlStreamReader* reader);
 
     QString handle_lnTo(QXmlStreamReader* reader);
 
     QString handle_close(QXmlStreamReader* reader);
 
     QString handle_arcTo(QXmlStreamReader* reader);
 
     QString handle_quadBezTo(QXmlStreamReader* reader);
 
     QString handle_cubicBezTo(QXmlStreamReader* reader);
 
     QString handle_pt(QXmlStreamReader* reader);
 
     QString handle_path(QXmlStreamReader* reader);
 
     QString handle_moveTo(QXmlStreamReader* reader);
 
     // Storing the latest position where we are, this is needed in order to implement arcTo
     QString oldX, oldY;
 
     int pathWidth, pathHeight;
 
     int pathEquationIndex;
     QString pathEquations;
 };
 
 #endif