Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* libmspub
       3             :  * Version: MPL 1.1 / GPLv2+ / LGPLv2+
       4             :  *
       5             :  * The contents of this file are subject to the Mozilla Public License Version
       6             :  * 1.1 (the "License"); you may not use this file except in compliance with
       7             :  * the License or as specified alternatively below. You may obtain a copy of
       8             :  * the License at http://www.mozilla.org/MPL/
       9             :  *
      10             :  * Software distributed under the License is distributed on an "AS IS" basis,
      11             :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12             :  * for the specific language governing rights and limitations under the
      13             :  * License.
      14             :  *
      15             :  * Major Contributor(s):
      16             :  * Copyright (C) 2012 Brennan Vincent <brennanv@email.arizona.edu>
      17             :  *
      18             :  *
      19             :  * All Rights Reserved.
      20             :  *
      21             :  * For minor contributions see the git repository.
      22             :  *
      23             :  * Alternatively, the contents of this file may be used under the terms of
      24             :  * either the GNU General Public License Version 2 or later (the "GPLv2+"), or
      25             :  * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
      26             :  * in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable
      27             :  * instead of those above.
      28             :  */
      29             : #include "ShapeGroupElement.h"
      30             : 
      31           0 : libmspub::ShapeGroupElement::ShapeGroupElement(ShapeGroupElement *parent) : m_shapeInfo(), m_parent(parent), m_children(), m_seqNum(0), m_transform()
      32             : {
      33           0 :   if (m_parent)
      34             :   {
      35           0 :     m_parent->m_children.push_back(this);
      36             :   }
      37           0 : }
      38             : 
      39           0 : libmspub::ShapeGroupElement::~ShapeGroupElement()
      40             : {
      41           0 :   for (unsigned i = 0; i < m_children.size(); ++i)
      42             :   {
      43           0 :     delete m_children[i];
      44             :   }
      45           0 : }
      46             : 
      47           0 : libmspub::ShapeGroupElement::ShapeGroupElement(ShapeGroupElement *parent, unsigned seqNum) : m_shapeInfo(), m_parent(parent), m_children(), m_seqNum(seqNum), m_transform()
      48             : {
      49           0 :   if (m_parent)
      50             :   {
      51           0 :     m_parent->m_children.push_back(this);
      52             :   }
      53           0 : }
      54             : 
      55           0 : void libmspub::ShapeGroupElement::setShapeInfo(const ShapeInfo &shapeInfo)
      56             : {
      57           0 :   m_shapeInfo = shapeInfo;
      58           0 : }
      59             : 
      60           0 : void libmspub::ShapeGroupElement::setTransform(const VectorTransformation2D &transform)
      61             : {
      62           0 :   m_transform = transform;
      63           0 : }
      64             : 
      65           0 : void libmspub::ShapeGroupElement::setup(boost::function<void(ShapeGroupElement &self)> visitor)
      66             : {
      67           0 :   visitor(*this);
      68           0 :   for (unsigned i = 0; i < m_children.size(); ++i)
      69             :   {
      70           0 :     m_children[i]->setup(visitor);
      71             :   }
      72           0 : }
      73             : 
      74           0 : void libmspub::ShapeGroupElement::visit(boost::function<
      75             :                                         boost::function<void(void)>
      76             :                                         (const libmspub::ShapeInfo &info, const libmspub::Coordinate &relativeTo, const libmspub::VectorTransformation2D &foldedTransform, bool isGroup, const libmspub::VectorTransformation2D &thisTransform)
      77             :                                         > visitor, const Coordinate &relativeTo, const VectorTransformation2D &parentFoldedTransform) const
      78             : {
      79           0 :   const ShapeInfo &info = m_shapeInfo.get_value_or(ShapeInfo());
      80           0 :   Coordinate coord = info.m_coordinates.get_value_or(Coordinate());
      81           0 :   double centerX = ((double)coord.m_xs + (double)coord.m_xe) / (2 * EMUS_IN_INCH);
      82           0 :   double centerY = ((double)coord.m_ys + (double)coord.m_ye) / (2 * EMUS_IN_INCH);
      83           0 :   double relativeCenterX = ((double)relativeTo.m_xs + (double)relativeTo.m_xe) / (2 * EMUS_IN_INCH);
      84           0 :   double relativeCenterY = ((double)relativeTo.m_ys + (double)relativeTo.m_ye) / (2 * EMUS_IN_INCH);
      85           0 :   double offsetX = centerX - relativeCenterX;
      86           0 :   double offsetY = centerY - relativeCenterY;
      87           0 :   VectorTransformation2D foldedTransform = VectorTransformation2D::fromTranslate(-offsetX, -offsetY)
      88           0 :       * parentFoldedTransform * VectorTransformation2D::fromTranslate(offsetX, offsetY) * m_transform;
      89           0 :   boost::function<void(void)> afterOp = visitor(info, relativeTo, foldedTransform, isGroup(), m_transform);
      90           0 :   for (unsigned i = 0; i < m_children.size(); ++i)
      91             :   {
      92           0 :     m_children[i]->visit(visitor, coord, foldedTransform);
      93             :   }
      94           0 :   afterOp();
      95           0 : }
      96             : 
      97           0 : void libmspub::ShapeGroupElement::visit(boost::function<
      98             :                                         boost::function<void(void)>
      99             :                                         (const libmspub::ShapeInfo &info, const libmspub::Coordinate &relativeTo, const libmspub::VectorTransformation2D &foldedTransform, bool isGroup, const libmspub::VectorTransformation2D &thisTransform)
     100             :                                         > visitor) const
     101             : {
     102           0 :   Coordinate origin;
     103           0 :   VectorTransformation2D identity;
     104           0 :   visit(visitor, origin, identity);
     105           0 : }
     106             : 
     107           0 : bool libmspub::ShapeGroupElement::isGroup() const
     108             : {
     109           0 :   return !m_children.empty();
     110             : }
     111             : 
     112           0 : libmspub::ShapeGroupElement *libmspub::ShapeGroupElement::getParent()
     113             : {
     114           0 :   return m_parent;
     115             : }
     116             : 
     117           0 : const libmspub::ShapeGroupElement *libmspub::ShapeGroupElement::getParent() const
     118             : {
     119           0 :   return m_parent;
     120             : }
     121             : 
     122           0 : void libmspub::ShapeGroupElement::setSeqNum(unsigned seqNum)
     123             : {
     124           0 :   m_seqNum = seqNum;
     125           0 : }
     126             : 
     127           0 : unsigned libmspub::ShapeGroupElement::getSeqNum() const
     128             : {
     129           0 :   return m_seqNum;
     130             : }
     131             : 
     132             : /* vim:set shiftwidth=2 softtabstop=2 expandtab: */