src/common/dcbase.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC Class
   4 // Author:      Brian Macy
   5 // Modified by:
   6 // Created:     05/25/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dcbase.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24    #include "wx/window.h"
  25 #endif
  26
  27 #ifdef __WXMSW__
  28    #include "wx/msw/private.h"
  29 #endif
  30
  31 #include "wx/dc.h"
  32
  33 void wxDCBase::DrawLines(const wxList *list, wxCoord xoffset, wxCoord yoffset)
  34 {
  35     int n = list->Number();
  36     wxPoint *points = new wxPoint[n];
  37
  38     int i = 0;
  39     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  40     {
  41         wxPoint *point = (wxPoint *)node->Data();
  42         points[i].x = point->x;
  43         points[i].y = point->y;
  44     }
  45
  46     DoDrawLines(n, points, xoffset, yoffset);
  47
  48     delete [] points;
  49 }
  50
  51
  52 void wxDCBase::DrawPolygon(const wxList *list,
  53                            wxCoord xoffset, wxCoord yoffset,
  54                            int fillStyle)
  55 {
  56     int n = list->Number();
  57     wxPoint *points = new wxPoint[n];
  58
  59     int i = 0;
  60     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  61     {
  62         wxPoint *point = (wxPoint *)node->Data();
  63         points[i].x = point->x;
  64         points[i].y = point->y;
  65     }
  66
  67     DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
  68
  69     delete [] points;
  70 }
  71
  72
  73 #if wxUSE_SPLINES
  74
  75 // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
  76 void wxDCBase::DrawSpline(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord x3, wxCoord y3)
  77 {
  78     wxList point_list;
  79
  80     wxPoint *point1 = new wxPoint;
  81     point1->x = x1; point1->y = y1;
  82     point_list.Append((wxObject*)point1);
  83
  84     wxPoint *point2 = new wxPoint;
  85     point2->x = x2; point2->y = y2;
  86     point_list.Append((wxObject*)point2);
  87
  88     wxPoint *point3 = new wxPoint;
  89     point3->x = x3; point3->y = y3;
  90     point_list.Append((wxObject*)point3);
  91
  92     DrawSpline(&point_list);
  93
  94     for( wxNode *node = point_list.First(); node; node = node->Next() )
  95     {
  96         wxPoint *p = (wxPoint *)node->Data();
  97         delete p;
  98     }
  99 }
 100
 101 void wxDCBase::DrawSpline(int n, wxPoint points[])
 102 {
 103     wxList list;
 104     for (int i =0; i < n; i++)
 105     {
 106         list.Append((wxObject*)&points[i]);
 107     }
 108
 109     DrawSpline(&list);
 110 }
 111
 112 #endif // wxUSE_SPLINES