src/qanSimpleLayout.h

   1 /*
   2 Qanava - Graph drawing library for QT
   3 Copyright (C) 2006 Benoit AUTHEMAN
   4
   5 This library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Lesser General Public
   7 License as published by the Free Software Foundation; either
   8 version 2.1 of the License, or (at your option) any later version.
   9
  10 This library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public
  16 License along with this library; if not, write to the Free Software
  17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18 */
  19
  20 //-----------------------------------------------------------------------------
  21 // This file is a part of the Qanava software.
  22 //
  23 // \file        qanSimpleLayout.h
  24 // \author      Benoit Autheman (benoit@libqanava.org)
  25 // \date        2007 January 06
  26 //-----------------------------------------------------------------------------
  27
  28
  29 #ifndef qanSimpleLayout_h
  30 #define qanSimpleLayout_h
  31
  32
  33 // Qanava headers
  34 #include "./qanLayout.h"
  35
  36
  37 //-----------------------------------------------------------------------------
  38 namespace qan { // ::qan
  39
  40         //! Layout a graph as concentric circles of nodes.
  41         /*!
  42                 \nosubgrouping
  43         */
  44         class Concentric : public Layout
  45         {
  46                 /*! \name Concentric Constructor/Destructor *///-----------------------
  47                 //@{
  48         public:
  49
  50                 //! Concentric constructor.
  51                 Concentric( double azimutDelta = 45., double circleInterval = 50. ) :
  52                         Layout( ), _azimutDelta( azimutDelta ), _circleInterval( circleInterval ) { }
  53
  54         private:
  55
  56                 double  _azimutDelta;
  57
  58                 double  _circleInterval;
  59                 //@}
  60                 //---------------------------------------------------------------------
  61
  62
  63
  64                 /*! \name Concentric Layout Management *///----------------------------
  65                 //@{
  66         public:
  67
  68                 //! .
  69                 virtual void    layout( Graph& graph, QGraphicsScene* scene,
  70                                                                 QRectF r, QProgressDialog* progress = 0, int step = -1 );
  71                 //@}
  72                 //---------------------------------------------------------------------
  73         };
  74
  75
  76         //! Layout nodes in a (logarithm) colimacon.
  77         /*!
  78                 \nosubgrouping
  79         */
  80         class Colimacon : public Layout
  81         {
  82                 /*! \name Colimacon Constructor/Destructor *///------------------------
  83                 //@{
  84         public:
  85
  86                 //! Colimacon constructor.
  87                 Colimacon( double azimutDelta = 15., double circleInterval = 10. ) :
  88                         Layout( ), _azimutDelta( azimutDelta ), _circleInterval( circleInterval ) { }
  89
  90         private:
  91
  92                 double  _azimutDelta;
  93
  94                 double  _circleInterval;
  95                 //@}
  96                 //---------------------------------------------------------------------
  97
  98
  99
 100                 /*! \name Colimacon Layout Management *///-----------------------------
 101                 //@{
 102         public:
 103
 104                 //! .
 105                 virtual void    layout( Graph& graph, QGraphicsScene* scene,
 106                                                                 QRectF r, QProgressDialog* progress = 0, int step = -1 );
 107                 //@}
 108                 //---------------------------------------------------------------------
 109         };
 110 } // ::qan
 111 //-----------------------------------------------------------------------------
 112
 113
 114 #endif // qanSimpleLayout_h
 115