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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, long xoffset, long 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 | long xoffset, long 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(long x1, long y1, long x2, long y2, long x3, long 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 |