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) Julian Smart and Markus Holzem
   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    #include "wx/msw/private.h"
  26 #endif
  27
  28 #include "wx/dc.h"
  29
  30 void wxDCBase::DrawLines(const wxList *list, long xoffset, long yoffset)
  31 {
  32     int n = list->Number();
  33     wxPoint *points = new wxPoint[n];
  34
  35     int i = 0;
  36     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  37     {
  38         wxPoint *point = (wxPoint *)node->Data();
  39         points[i].x = point->x;
  40         points[i].y = point->y;
  41     }
  42
  43     DoDrawLines(n, points, xoffset, yoffset);
  44
  45     delete [] points;
  46 }
  47
  48
  49 void wxDCBase::DrawPolygon(const wxList *list,
  50                            long xoffset, long yoffset,
  51                            int fillStyle)
  52 {
  53     int n = list->Number();
  54     wxPoint *points = new wxPoint[n];
  55
  56     int i = 0;
  57     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  58     {
  59         wxPoint *point = (wxPoint *)node->Data();
  60         points[i].x = point->x;
  61         points[i].y = point->y;
  62     }
  63
  64     DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
  65
  66     delete [] points;
  67 }
  68
  69
  70 #if wxUSE_SPLINES
  71
  72 // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
  73 void wxDCBase::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3)
  74 {
  75     wxList point_list;
  76
  77     wxPoint *point1 = new wxPoint;
  78     point1->x = x1; point1->y = y1;
  79     point_list.Append((wxObject*)point1);
  80
  81     wxPoint *point2 = new wxPoint;
  82     point2->x = x2; point2->y = y2;
  83     point_list.Append((wxObject*)point2);
  84
  85     wxPoint *point3 = new wxPoint;
  86     point3->x = x3; point3->y = y3;
  87     point_list.Append((wxObject*)point3);
  88
  89     DrawSpline(&point_list);
  90
  91     for( wxNode *node = point_list.First(); node; node = node->Next() )
  92     {
  93         wxPoint *p = (wxPoint *)node->Data();
  94         delete p;
  95     }
  96 }
  97
  98 void wxDCBase::DrawSpline(int n, wxPoint points[])
  99 {
 100     wxList list;
 101     for (int i =0; i < n; i++)
 102     {
 103         list.Append((wxObject*)&points[i]);
 104     }
 105
 106     DrawSpline(&list);
 107 }
 108
 109 #endif // wxUSE_SPLINES