| 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 |