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 #ifdef __WXMSW__
  26    #include "wx/msw/private.h"
  27 #endif
  28 #endif
  29
  30 #include "wx/dc.h"
  31
  32 void wxDCBase::DrawLines(const wxList *list, long xoffset, long yoffset)
  33 {
  34     int n = list->Number();
  35     wxPoint *points = new wxPoint[n];
  36
  37     int i = 0;
  38     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  39     {
  40         wxPoint *point = (wxPoint *)node->Data();
  41         points[i].x = point->x;
  42         points[i].y = point->y;
  43     }
  44
  45     DoDrawLines(n, points, xoffset, yoffset);
  46
  47     delete [] points;
  48 }
  49
  50
  51 void wxDCBase::DrawPolygon(const wxList *list,
  52                            long xoffset, long yoffset,
  53                            int fillStyle)
  54 {
  55     int n = list->Number();
  56     wxPoint *points = new wxPoint[n];
  57
  58     int i = 0;
  59     for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
  60     {
  61         wxPoint *point = (wxPoint *)node->Data();
  62         points[i].x = point->x;
  63         points[i].y = point->y;
  64     }
  65
  66     DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
  67
  68     delete [] points;
  69 }
  70
  71
  72 #if wxUSE_SPLINES
  73
  74 // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
  75 void wxDCBase::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3)
  76 {
  77     wxList point_list;
  78
  79     wxPoint *point1 = new wxPoint;
  80     point1->x = x1; point1->y = y1;
  81     point_list.Append((wxObject*)point1);
  82
  83     wxPoint *point2 = new wxPoint;
  84     point2->x = x2; point2->y = y2;
  85     point_list.Append((wxObject*)point2);
  86
  87     wxPoint *point3 = new wxPoint;
  88     point3->x = x3; point3->y = y3;
  89     point_list.Append((wxObject*)point3);
  90
  91     DrawSpline(&point_list);
  92
  93     for( wxNode *node = point_list.First(); node; node = node->Next() )
  94     {
  95         wxPoint *p = (wxPoint *)node->Data();
  96         delete p;
  97     }
  98 }
  99
 100 void wxDCBase::DrawSpline(int n, wxPoint points[])
 101 {
 102     wxList list;
 103     for (int i =0; i < n; i++)
 104     {
 105         list.Append((wxObject*)&points[i]);
 106     }
 107
 108     DrawSpline(&list);
 109 }
 110
 111 #endif // wxUSE_SPLINES