utils/ogl/src/drawnp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        drawnp.h
   3 // Purpose:     Private header for 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_DRAWNP_H_
  13 #define _OGL_DRAWNP_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "drawnp.h"
  17 #endif
  18
  19 #include "drawn.h"
  20
  21 /*
  22  * Drawing operations
  23  *
  24  */
  25
  26 #define  DRAWOP_SET_PEN             1
  27 #define  DRAWOP_SET_BRUSH           2
  28 #define  DRAWOP_SET_FONT            3
  29 #define  DRAWOP_SET_TEXT_COLOUR     4
  30 #define  DRAWOP_SET_BK_COLOUR       5
  31 #define  DRAWOP_SET_BK_MODE         6
  32 #define  DRAWOP_SET_CLIPPING_RECT   7
  33 #define  DRAWOP_DESTROY_CLIPPING_RECT 8
  34
  35 /*
  36 #define  DRAWOP_CREATE_PEN          10
  37 #define  DRAWOP_CREATE_BRUSH        11
  38 #define  DRAWOP_CREATE_FONT         12
  39 */
  40
  41 #define  DRAWOP_DRAW_LINE           20
  42 #define  DRAWOP_DRAW_POLYLINE       21
  43 #define  DRAWOP_DRAW_POLYGON        22
  44 #define  DRAWOP_DRAW_RECT           23
  45 #define  DRAWOP_DRAW_ROUNDED_RECT   24
  46 #define  DRAWOP_DRAW_ELLIPSE        25
  47 #define  DRAWOP_DRAW_POINT          26
  48 #define  DRAWOP_DRAW_ARC            27
  49 #define  DRAWOP_DRAW_TEXT           28
  50 #define  DRAWOP_DRAW_SPLINE         29
  51 #define  DRAWOP_DRAW_ELLIPTIC_ARC   30
  52
  53 /*
  54  * Base, virtual class
  55  *
  56  */
  57
  58 class wxDrawOp: public wxObject
  59 {
  60 public:
  61   inline wxDrawOp(int theOp) { m_op = theOp; }
  62   inline ~wxDrawOp() {}
  63   inline virtual void Scale(double xScale, double yScale) {};
  64   inline virtual void Translate(double x, double y) {};
  65   inline virtual void Rotate(double x, double y, double theta, double sinTheta, double cosTheta) {};
  66   virtual void Do(wxDC& dc, double xoffset, double yoffset) = 0;
  67   virtual wxDrawOp *Copy(wxPseudoMetaFile *newImage) = 0;
  68   virtual wxExpr *WriteExpr(wxPseudoMetaFile *image) = 0;
  69   virtual void ReadExpr(wxPseudoMetaFile *image, wxExpr *expr) = 0;
  70
  71   inline int GetOp() const { return m_op; }
  72
  73   // Draw an outline using the current operation. By default, return FALSE (not drawn)
  74   virtual bool OnDrawOutline(wxDC& dc, double x, double y, double w, double h,
  75     double oldW, double oldH) { return FALSE; }
  76
  77   // Get the perimeter point using this data
  78   virtual bool GetPerimeterPoint(double x1, double y1,
  79                                      double x2, double y2,
  80                                      double *x3, double *y3,
  81                                      double xOffset, double yOffset,
  82                                      bool attachmentMode)
  83   { return FALSE; }
  84
  85 protected:
  86   int           m_op;
  87
  88 };
  89
  90 /*
  91  * Set font, brush, text colour
  92  *
  93  */
  94
  95 class wxOpSetGDI: public wxDrawOp
  96 {
  97  public:
  98   wxOpSetGDI(int theOp, wxPseudoMetaFile *theImage, int theGdiIndex, int theMode = 0);
  99   void Do(wxDC& dc, double xoffset, double yoffset);
 100   wxDrawOp *Copy(wxPseudoMetaFile *newImage);
 101   wxExpr *WriteExpr(wxPseudoMetaFile *image);
 102   void ReadExpr(wxPseudoMetaFile *image, wxExpr *expr);
 103
 104 public:
 105   int               m_mode;
 106   int               m_gdiIndex;
 107   wxPseudoMetaFile* m_image;
 108   unsigned char     m_r;
 109   unsigned char     m_g;
 110   unsigned char     m_b;
 111 };
 112
 113 /*
 114  * Set/destroy clipping
 115  *
 116  */
 117
 118 class wxOpSetClipping: public wxDrawOp
 119 {
 120 public:
 121   wxOpSetClipping(int theOp, double theX1, double theY1, double theX2, double theY2);
 122   void Do(wxDC& dc, double xoffset, double yoffset);
 123   void Scale(double xScale, double yScale);
 124   void Translate(double x, double y);
 125   wxDrawOp *Copy(wxPseudoMetaFile *newImage);
 126   wxExpr *WriteExpr(wxPseudoMetaFile *image);
 127   void ReadExpr(wxPseudoMetaFile *image, wxExpr *expr);
 128
 129 public:
 130   double     m_x1;
 131   double     m_y1;
 132   double     m_x2;
 133   double     m_y2;
 134 };
 135
 136 /*
 137  * Draw line, rectangle, rounded rectangle, ellipse, point, arc, text
 138  *
 139  */
 140
 141 class wxOpDraw: public wxDrawOp
 142 {
 143  public:
 144   wxOpDraw(int theOp, double theX1, double theY1, double theX2, double theY2,
 145          double radius = 0.0, char *s = NULL);
 146   ~wxOpDraw();
 147   void Do(wxDC& dc, double xoffset, double yoffset);
 148   void Scale(double scaleX, double scaleY);
 149   void Translate(double x, double y);
 150   void Rotate(double x, double y, double theta, double sinTheta, double cosTheta);
 151   wxDrawOp *Copy(wxPseudoMetaFile *newImage);
 152   wxExpr *WriteExpr(wxPseudoMetaFile *image);
 153   void ReadExpr(wxPseudoMetaFile *image, wxExpr *expr);
 154
 155 public:
 156   double     m_x1;
 157   double     m_y1;
 158   double     m_x2;
 159   double     m_y2;
 160   double     m_x3;
 161   double     m_y3;
 162   double     m_radius;
 163   char*     m_textString;
 164
 165 };
 166
 167 /*
 168  * Draw polyline, spline, polygon
 169  *
 170  */
 171
 172 class wxOpPolyDraw: public wxDrawOp
 173 {
 174 public:
 175   wxOpPolyDraw(int theOp, int n, wxRealPoint *thePoints);
 176   ~wxOpPolyDraw();
 177   void Do(wxDC& dc, double xoffset, double yoffset);
 178   void Scale(double scaleX, double scaleY);
 179   void Translate(double x, double y);
 180   void Rotate(double x, double y, double theta, double sinTheta, double cosTheta);
 181   wxDrawOp *Copy(wxPseudoMetaFile *newImage);
 182   wxExpr *WriteExpr(wxPseudoMetaFile *image);
 183   void ReadExpr(wxPseudoMetaFile *image, wxExpr *expr);
 184
 185   // Draw an outline using the current operation.
 186   virtual bool OnDrawOutline(wxDC& dc, double x, double y, double w, double h,
 187     double oldW, double oldH);
 188
 189   // Get the perimeter point using this data
 190   bool GetPerimeterPoint(double x1, double y1,
 191                                      double x2, double y2,
 192                                      double *x3, double *y3,
 193                                      double xOffset, double yOffset,
 194                                      bool attachmentMode);
 195
 196 public:
 197   wxRealPoint*  m_points;
 198   int           m_noPoints;
 199
 200 };
 201
 202 #endif
 203  // _OGL_DRAWNP_H_
 204
 205