moved wxDash typedef to gdicmn.h
[wxWidgets.git] / src / common / dcbase.cpp
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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: $Id$
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8// Copyright: (c) wxWindows team
9// Licence: wxWindows license
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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__
bd1e9c12 20 #pragma hdrstop
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21#endif
22
23#ifndef WX_PRECOMP
0c589ad0 24 #include "wx/window.h"
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25#endif
26
dbf3cd7a 27#ifdef __WXMSW__
0c589ad0 28 #include "wx/msw/private.h"
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29#endif
30
31#include "wx/dc.h"
32
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33void wxDCBase::DoDrawCheckMark(wxCoord x1, wxCoord y1,
34 wxCoord width, wxCoord height)
35{
36 wxCHECK_RET( Ok(), wxT("invalid window dc") );
37
38 wxCoord x2 = x1 + width,
39 y2 = y1 + height;
40
41 // this is to yield width of 3 for width == height == 10
42 SetPen(wxPen(GetTextForeground(), (width + height + 1) / 7, wxSOLID));
43
44 // we're drawing a scaled version of wx/generic/tick.xpm here
45 wxCoord x3 = x1 + (4*width) / 10, // x of the tick bottom
46 y3 = y1 + height / 2; // y of the left tick branch
47 DoDrawLine(x1, y3, x3, y2);
48 DoDrawLine(x3, y2, x2, y1);
49
50 CalcBoundingBox(x1, y1);
51 CalcBoundingBox(x2, y2);
52}
53
72cdf4c9 54void wxDCBase::DrawLines(const wxList *list, wxCoord xoffset, wxCoord yoffset)
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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 DoDrawLines(n, points, xoffset, yoffset);
68
69 delete [] points;
70}
71
72
73void wxDCBase::DrawPolygon(const wxList *list,
72cdf4c9 74 wxCoord xoffset, wxCoord yoffset,
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75 int fillStyle)
76{
77 int n = list->Number();
78 wxPoint *points = new wxPoint[n];
79
80 int i = 0;
81 for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
82 {
83 wxPoint *point = (wxPoint *)node->Data();
84 points[i].x = point->x;
85 points[i].y = point->y;
86 }
87
88 DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
89
90 delete [] points;
91}
92
93
88ac883a 94#if wxUSE_SPLINES
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95
96// TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
72cdf4c9 97void wxDCBase::DrawSpline(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord x3, wxCoord y3)
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98{
99 wxList point_list;
100
101 wxPoint *point1 = new wxPoint;
102 point1->x = x1; point1->y = y1;
103 point_list.Append((wxObject*)point1);
104
105 wxPoint *point2 = new wxPoint;
106 point2->x = x2; point2->y = y2;
107 point_list.Append((wxObject*)point2);
108
109 wxPoint *point3 = new wxPoint;
110 point3->x = x3; point3->y = y3;
111 point_list.Append((wxObject*)point3);
112
113 DrawSpline(&point_list);
114
115 for( wxNode *node = point_list.First(); node; node = node->Next() )
116 {
117 wxPoint *p = (wxPoint *)node->Data();
118 delete p;
119 }
120}
121
122void wxDCBase::DrawSpline(int n, wxPoint points[])
123{
124 wxList list;
125 for (int i =0; i < n; i++)
126 {
127 list.Append((wxObject*)&points[i]);
128 }
129
130 DrawSpline(&list);
131}
132
88ac883a 133#endif // wxUSE_SPLINES