utils/ogl/src/constrnt.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        constrnt.h
   3 // Purpose:     OGL constraint definitions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _OGL_CONSTRNT_H_
  13 #define _OGL_CONSTRNT_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "constrnt.h"
  17 #endif
  18
  19 /*
  20  * OGL Constraints
  21  *
  22  */
  23
  24 class wxOGLConstraintType: public wxObject
  25 {
  26  DECLARE_DYNAMIC_CLASS(wxOGLConstraintType)
  27 public:
  28   wxOGLConstraintType(int type = 0, const wxString& name = "", const wxString& phrase = "");
  29   ~wxOGLConstraintType();
  30
  31 public:
  32   int           m_type;     // E.g. gyCONSTRAINT_CENTRED_VERTICALLY
  33   wxString      m_name;     // E.g. "Centre vertically"
  34   wxString      m_phrase;   // E.g. "centred vertically with respect to", "left of"
  35
  36 };
  37
  38 extern wxList* wxOGLConstraintTypes;
  39
  40 #define gyCONSTRAINT_CENTRED_VERTICALLY   1
  41 #define gyCONSTRAINT_CENTRED_HORIZONTALLY 2
  42 #define gyCONSTRAINT_CENTRED_BOTH         3
  43 #define gyCONSTRAINT_LEFT_OF              4
  44 #define gyCONSTRAINT_RIGHT_OF             5
  45 #define gyCONSTRAINT_ABOVE                6
  46 #define gyCONSTRAINT_BELOW                7
  47 #define gyCONSTRAINT_ALIGNED_TOP          8
  48 #define gyCONSTRAINT_ALIGNED_BOTTOM       9
  49 #define gyCONSTRAINT_ALIGNED_LEFT         10
  50 #define gyCONSTRAINT_ALIGNED_RIGHT        11
  51
  52 // Like aligned, but with the objects centred on the respective edge
  53 // of the reference object.
  54 #define gyCONSTRAINT_MIDALIGNED_TOP       12
  55 #define gyCONSTRAINT_MIDALIGNED_BOTTOM    13
  56 #define gyCONSTRAINT_MIDALIGNED_LEFT      14
  57 #define gyCONSTRAINT_MIDALIGNED_RIGHT     15
  58
  59 class wxOGLConstraint: public wxObject
  60 {
  61  DECLARE_DYNAMIC_CLASS(wxOGLConstraint)
  62  public:
  63   wxOGLConstraint() { m_xSpacing = 0.0; m_ySpacing = 0.0; m_constraintType = 0; m_constraintName = ""; m_constraintId = 0;
  64                         m_constrainingObject = NULL; }
  65   wxOGLConstraint(int type, wxShape *constraining, wxList& constrained);
  66   ~wxOGLConstraint();
  67
  68   // Returns TRUE if anything changed
  69   bool Evaluate();
  70   inline void SetSpacing(double x, double y) { m_xSpacing = x; m_ySpacing = y; };
  71   bool Equals(double a, double b);
  72
  73   double         m_xSpacing;
  74   double         m_ySpacing;
  75   int           m_constraintType;
  76   wxString      m_constraintName;
  77   long          m_constraintId;
  78   wxShape*      m_constrainingObject;
  79   wxList        m_constrainedObjects;
  80
  81 };
  82
  83 void OGLInitializeConstraintTypes();
  84 void OGLCleanUpConstraintTypes();
  85
  86 #endif
  87  // _OGL_CONSTRNT_H_