utils/ogl/src/drawn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        drawn.h
   3 // Purpose:     wxDrawnShape
   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_DRAWN_H_
  13 #define _OGL_DRAWN_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "drawn.h"
  17 #endif
  18
  19 #include "basic.h"
  20
  21 class wxPseudoMetaFile: public wxObject
  22 {
  23  DECLARE_DYNAMIC_CLASS(wxPseudoMetaFile)
  24  public:
  25   wxPseudoMetaFile();
  26   wxPseudoMetaFile(wxPseudoMetaFile& mf);
  27   ~wxPseudoMetaFile();
  28
  29   void Draw(wxDC& dc, float xoffset, float yoffset);
  30
  31 #ifdef PROLOGIO
  32   void WritePrologAttributes(wxExpr *clause);
  33   void ReadPrologAttributes(wxExpr *clause);
  34 #endif
  35
  36   void Clear();
  37
  38   void Copy(wxPseudoMetaFile& copy);
  39
  40   void Scale(float sx, float sy);
  41   void ScaleTo(float w, float h); // Scale to fit size
  42   void Translate(float x, float y);
  43
  44   // Rotate about the given axis by theta radians from the x axis.
  45   void Rotate(float x, float y, float theta);
  46
  47   bool LoadFromMetaFile(char *filename, float *width, float *height);
  48
  49   void GetBounds(float *minX, float *minY, float *maxX, float *maxY);
  50
  51   inline wxList& GetOutlineColours() const { return (wxList&) m_outlineColours; }
  52   inline wxList& GetFillColours() const { return (wxList&) m_fillColours; }
  53   inline void SetRotateable(bool rot) { m_rotateable = rot; }
  54   inline bool GetRotateable() const { return m_rotateable; }
  55
  56 public:
  57   bool              m_rotateable;
  58   float             m_width;
  59   float             m_height;
  60   wxList            m_ops; // List of drawing operations (see drawnp.h)
  61   wxList            m_gdiObjects; // List of pens, brushes and fonts for this object.
  62
  63   // Pen/brush specifying outline/fill colours
  64   // to override operations.
  65   wxPen*            m_outlinePen;
  66   wxBrush*          m_fillBrush;
  67   wxList            m_outlineColours; // List of the GDI operations that comprise the outline
  68   wxList            m_fillColours; // List of the GDI operations that fill the shape
  69   float             m_currentRotation;
  70 };
  71
  72 class wxDrawnShape: public wxRectangleShape
  73 {
  74  DECLARE_DYNAMIC_CLASS(wxDrawnShape)
  75  public:
  76   wxDrawnShape();
  77   ~wxDrawnShape();
  78
  79   void OnDraw(wxDC& dc);
  80
  81 #ifdef PROLOGIO
  82   // Prolog database stuff
  83   char *GetFunctor();
  84   void WritePrologAttributes(wxExpr *clause);
  85   void ReadPrologAttributes(wxExpr *clause);
  86 #endif
  87
  88   // Does the copying for this object
  89   void Copy(wxDrawnShape& copy);
  90
  91   // Returns a new instance, and does the copy for this class. Define for each class.
  92   wxShape *PrivateCopy();
  93
  94   void Scale(float sx, float sy);
  95   void Translate(float x, float y);
  96   // Rotate about the given axis by theta radians from the x axis.
  97   void Rotate(float x, float y, float theta);
  98
  99   // Get current rotation
 100   inline float GetRotation() const { return m_rotation; }
 101
 102   void SetSize(float w, float h, bool recursive = TRUE);
 103   bool LoadFromMetaFile(char *filename);
 104
 105   inline void SetSaveToFile(bool save) { m_saveToFile = save; }
 106   inline wxPseudoMetaFile& GetMetaFile() const { return (wxPseudoMetaFile&) m_metafile; }
 107
 108 private:
 109   wxPseudoMetaFile      m_metafile;
 110
 111   // Don't save all wxDrawnShape metafiles to file: sometimes
 112   // we take the metafile data from a symbol library.
 113   bool                  m_saveToFile;
 114
 115 };
 116
 117 #endif
 118     // _DRAWN_H_
 119