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