/* libvisio
 * Version: MPL 1.1 / GPLv2+ / LGPLv2+
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License or as specified alternatively below. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Major Contributor(s):
 * Copyright (C) 2011 Fridrich Strba <fridrich.strba@bluewin.ch>
 * Copyright (C) 2011 Eilidh McAdam <tibbylickle@gmail.com>
 *
 *
 * All Rights Reserved.
 *
 * For minor contributions see the git repository.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPLv2+"), or
 * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
 * in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable
 * instead of those above.
 */

#ifndef VSDXSTYLESCOLLECTOR_H
#define VSDXSTYLESCOLLECTOR_H

#include <map>
#include <vector>
#include <list>
#include "VSDXCollector.h"
#include "VSDXParser.h"
#include "libvisio_utils.h"
#include "VSDXStyles.h"

namespace libvisio {

class VSDXStylesCollector : public VSDXCollector
{
public:
  VSDXStylesCollector(
    std::vector<std::map<unsigned, XForm> > &groupXFormsSequence,
    std::vector<std::map<unsigned, unsigned> > &groupMembershipsSequence,
    std::vector<std::list<unsigned> > &documentPageShapeOrders
  );
  virtual ~VSDXStylesCollector() {};

  void collectEllipticalArcTo(unsigned id, unsigned level, double x3, double y3, double x2, double y2, double angle, double ecc);
  void collectForeignData(unsigned id, unsigned level, const WPXBinaryData &binaryData);
  void collectEllipse(unsigned id, unsigned level, double cx, double cy, double xleft, double yleft, double xtop, double ytop);
  void collectLine(unsigned id, unsigned level, double strokeWidth, Colour c, unsigned linePattern, unsigned lineCap);
  void collectFillAndShadow(unsigned id, unsigned level, unsigned colourIndexFG, unsigned colourIndexBG, unsigned fillPattern, unsigned fillFGTransparency, unsigned fillBGTransparency, unsigned shadowPattern, Colour shfgc, double shadowOffsetX, double shadowOffsetY);
  void collectFillAndShadow(unsigned id, unsigned level, unsigned colourIndexFG, unsigned colourIndexBG, unsigned fillPattern, unsigned fillFGTransparency, unsigned fillBGTransparency, unsigned shadowPattern, Colour shfgc);
  void collectGeomList(unsigned id, unsigned level);
  void collectGeometry(unsigned id, unsigned level, unsigned char geomFlags);
  void collectMoveTo(unsigned id, unsigned level, double x, double y);
  void collectLineTo(unsigned id, unsigned level, double x, double y);
  void collectArcTo(unsigned id, unsigned level, double x2, double y2, double bow);
  void collectNURBSTo(unsigned id, unsigned level, double x2, double y2, unsigned xType, unsigned yType, unsigned degree, std::vector<std::pair<double, double> > controlPoints, std::vector<double> knotVector, std::vector<double> weights);
  void collectNURBSTo(unsigned id, unsigned level, double x2, double y2, double knot, double knotPrev, double weight, double weightPrev, unsigned dataID);
  void collectPolylineTo(unsigned id , unsigned level, double x, double y, unsigned xType, unsigned yType, std::vector<std::pair<double, double> > &points);
  void collectPolylineTo(unsigned id , unsigned level, double x, double y, unsigned dataID);
  void collectShapeData(unsigned id, unsigned level, unsigned xType, unsigned yType, unsigned degree, double lastKnot, std::vector<std::pair<double, double> > controlPoints, std::vector<double> knotVector, std::vector<double> weights);
  void collectShapeData(unsigned id, unsigned level, unsigned xType, unsigned yType, std::vector<std::pair<double, double> > points);
  void collectXFormData(unsigned id, unsigned level, const XForm &xform);
  void collectTxtXForm(unsigned id, unsigned level, const XForm &txtxform);
  void collectShapeId(unsigned id, unsigned level, unsigned shapeId);
  void collectShapeList(unsigned id, unsigned level);
  void collectForeignDataType(unsigned id, unsigned level, unsigned foreignType, unsigned foreignFormat);
  void collectPageProps(unsigned id, unsigned level, double pageWidth, double pageHeight, double shadowOffsetX, double shadowOffsetY);
  void collectPage(unsigned id, unsigned level, unsigned backgroundPageID, unsigned currentPageID);
  void collectShape(unsigned id, unsigned level, unsigned masterPage, unsigned masterShape, unsigned lineStyle, unsigned fillStyle, unsigned textStyle);
  void collectSplineStart(unsigned id, unsigned level, double x, double y, double secondKnot, double firstKnot, double lastKnot, unsigned degree);
  void collectSplineKnot(unsigned id, unsigned level, double x, double y, double knot);
  void collectSplineEnd();
  void collectUnhandledChunk(unsigned id, unsigned level);

  void collectColours(const std::vector<Colour> &colours);
  void collectFont(unsigned short fontID, const std::vector<unsigned char> &textStream, TextFormat format);

  void collectCharList(unsigned id, unsigned level);
  void collectText(unsigned id, unsigned level, const std::vector<unsigned char> &textStream, TextFormat format);
  void collectCharFormat(unsigned id , unsigned level, unsigned charCount, unsigned short fontID, Colour fontColour, unsigned langId,
                         double fontSize, bool bold, bool italic, bool underline, bool doubleunderline, bool strikeout, bool doublestrikeout,
                         bool allcaps, bool initcaps, bool smallcaps, bool superscript, bool subscript, WPXString fontFace);

  // Style collectors
  void collectStyleSheet(unsigned id, unsigned level, unsigned parentLineStyle, unsigned parentFillStyle, unsigned parentTextStyle);
  void collectLineStyle(unsigned id, unsigned level, double strokeWidth, Colour c, unsigned char linePattern, unsigned char lineCap);
  void collectFillStyle(unsigned id, unsigned level, unsigned char colourIndexFG, unsigned char colourIndexBG, unsigned char fillPattern, unsigned char fillFGTransparency, unsigned char fillBGTransparency, unsigned char shadowPattern, Colour shfgc, double shadowOffsetX, double shadowOffsetY);
  void collectFillStyle(unsigned id, unsigned level, unsigned char colourIndexFG, unsigned char colourIndexBG, unsigned char fillPattern, unsigned char fillFGTransparency, unsigned char fillBGTransparency, unsigned char shadowPattern, Colour shfgc);
  void collectCharIXStyle(unsigned id , unsigned level, unsigned charCount, unsigned short fontID, Colour fontColour, unsigned langId,
                          double fontSize, bool bold, bool italic, bool underline, bool doubleunderline, bool strikeout, bool doublestrikeout,
                          bool allcaps, bool initcaps, bool smallcaps, bool superscript, bool subscript, WPXString fontFace);

  // Temporary hack
  void startPage();
  void endPage();
  void endPages() {}

  VSDXStyles getStyleSheets() { return m_styles; }


private:
  VSDXStylesCollector(const VSDXStylesCollector&);
  VSDXStylesCollector& operator=(const VSDXStylesCollector&);

  void _handleLevelChange(unsigned level);
  void _flushShapeList();

  unsigned m_currentLevel;
  bool m_isShapeStarted;

  double m_shadowOffsetX;
  double m_shadowOffsetY;

  unsigned m_currentShapeId;
  std::map<unsigned, XForm> m_groupXForms;
  std::map<unsigned, unsigned> m_groupMemberships;
  std::vector<std::map<unsigned, XForm> > &m_groupXFormsSequence;
  std::vector<std::map<unsigned, unsigned> > &m_groupMembershipsSequence;
  std::list<unsigned> m_pageShapeOrder;
  std::vector<std::list<unsigned> > &m_documentPageShapeOrders;
  std::map<unsigned, std::list<unsigned> > m_groupShapeOrder;
  std::list<unsigned> m_shapeList;

  unsigned m_currentStyleSheet;
  VSDXStyles m_styles;
  VSDXLineStyle * m_lineStyle;
  VSDXFillStyle * m_fillStyle;
  VSDXTextStyle * m_textStyle;
  unsigned m_lineStyleMaster;
  unsigned m_fillStyleMaster;
  unsigned m_textStyleMaster;
  bool m_isStyleStarted;
};

}

#endif /* VSDXSTYLESCOLLECTOR_H */