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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: statpict.cpp | |
3 | // Purpose: wxStaticPicture | |
4 | // Author: Wade Brainerd (wadeb@wadeb.com) | |
5 | // Modified by: | |
6 | // Created: 2003-05-01 | |
7 | // RCS-ID: | |
8 | // Copyright: (c) Wade Brainerd | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "statpict.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/wxprec.h" | |
17 | #include "wx/defs.h" | |
18 | ||
19 | #include "wx/gizmos/statpict.h" | |
20 | #include "wx/dcclient.h" | |
21 | ||
22 | #if !USE_SHARED_LIBRARY | |
23 | IMPLEMENT_DYNAMIC_CLASS(wxStaticPicture, wxControl) | |
24 | #endif | |
25 | ||
26 | /* | |
27 | * wxStaticPicture | |
28 | */ | |
29 | ||
30 | BEGIN_EVENT_TABLE(wxStaticPicture, wxControl) | |
31 | EVT_PAINT(wxStaticPicture::OnPaint) | |
32 | END_EVENT_TABLE() | |
33 | ||
34 | bool wxStaticPicture::Create(wxWindow *parent, wxWindowID id, | |
35 | const wxBitmap& bitmap, | |
36 | const wxPoint& pos, | |
37 | const wxSize& s, | |
38 | long style, | |
39 | const wxString& name) | |
40 | { | |
41 | SetName(name); | |
42 | ||
43 | wxSize size = s ; | |
44 | if ( bitmap.Ok() ) | |
45 | { | |
46 | if ( size.x == wxDefaultCoord ) | |
47 | size.x = bitmap.GetWidth() ; | |
48 | if ( size.y == wxDefaultCoord ) | |
49 | size.y = bitmap.GetHeight() ; | |
50 | } | |
51 | ||
52 | m_backgroundColour = parent->GetBackgroundColour() ; | |
53 | m_foregroundColour = parent->GetForegroundColour() ; | |
54 | ||
55 | Bitmap = bitmap; | |
56 | Align = 0; | |
57 | Scale = 0; | |
58 | ScaleX = ScaleY = 1; | |
59 | ||
60 | #ifndef __WXMSW__ | |
61 | LastScaleX = LastScaleY = -1; | |
62 | if ( Bitmap.Ok() ) | |
63 | OriginalImage = Bitmap.ConvertToImage(); | |
64 | #endif | |
65 | ||
66 | if ( id == wxID_ANY ) | |
67 | m_windowId = (int)NewControlId(); | |
68 | else | |
69 | m_windowId = id; | |
70 | ||
71 | m_windowStyle = style; | |
72 | ||
73 | bool ret = wxControl::Create( parent, id, pos, size, style, wxDefaultValidator, name ); | |
74 | ||
75 | SetBestSize( size ) ; | |
76 | ||
77 | return ret; | |
78 | } | |
79 | ||
80 | void wxStaticPicture::SetBitmap( const wxBitmap& bmp ) | |
81 | { | |
82 | Bitmap = bmp; | |
83 | #ifndef __WXMSW__ | |
84 | if ( Bitmap.Ok() ) | |
85 | OriginalImage = Bitmap.ConvertToImage(); | |
86 | LastScaleX = LastScaleY = -1; | |
87 | #endif | |
88 | } | |
89 | ||
90 | void wxStaticPicture::OnPaint(wxPaintEvent& WXUNUSED(event)) | |
91 | { | |
92 | if ( !Bitmap.Ok() ) | |
93 | return; | |
94 | ||
95 | wxPaintDC dc( this ); | |
96 | PrepareDC( dc ); | |
97 | dc.BeginDrawing(); | |
98 | ||
99 | wxSize sz = GetSize(); | |
100 | wxSize bmpsz( Bitmap.GetWidth(), Bitmap.GetHeight() ); | |
101 | float sx = 1.0f, sy = 1.0f; | |
102 | ||
103 | if ( Scale & wxSCALE_UNIFORM ) | |
104 | { | |
105 | float _sx = (float)sz.GetWidth() / (float)bmpsz.GetWidth(); | |
106 | float _sy = (float)sz.GetHeight() / (float)bmpsz.GetHeight(); | |
107 | sx = sy = _sx < _sy ? _sx : _sy; | |
108 | } | |
109 | else | |
110 | if ( Scale & wxSCALE_CUSTOM ) | |
111 | { | |
112 | sx = ScaleX; | |
113 | sy = ScaleY; | |
114 | } | |
115 | else | |
116 | { | |
117 | if ( Scale & wxSCALE_HORIZONTAL ) | |
118 | sx = (float)sz.x/(float)bmpsz.x; | |
119 | if ( Scale & wxSCALE_VERTICAL ) | |
120 | sy = (float)sz.y/(float)bmpsz.y; | |
121 | } | |
122 | ||
123 | bmpsz = wxSize( (int)(bmpsz.x*sx), (int)(bmpsz.y*sy) ); | |
124 | ||
125 | wxPoint pos( 0, 0 ); | |
126 | ||
127 | if ( Align & wxALIGN_CENTER_HORIZONTAL ) pos.x = (sz.x-bmpsz.x)/2; | |
128 | else if ( Align & wxALIGN_RIGHT ) pos.x = sz.x-bmpsz.x; | |
129 | ||
130 | if ( Align & wxALIGN_CENTER_VERTICAL ) pos.y = (sz.y-bmpsz.y)/2; | |
131 | else if ( Align & wxALIGN_BOTTOM ) pos.y = sz.y-bmpsz.y; | |
132 | ||
133 | if ( Scale ) | |
134 | { | |
135 | #ifdef __WXMSW__ | |
136 | double ux, uy; | |
137 | dc.GetUserScale( &ux, &uy ); | |
138 | dc.SetUserScale( ux*sx, uy*sy ); | |
139 | dc.DrawBitmap( Bitmap, (int)((float)pos.x/sx), (int)((float)pos.y/sy) ); | |
140 | dc.SetUserScale( ux, uy ); | |
141 | #else | |
142 | if ( LastScaleX != sx || LastScaleY != sy ) | |
143 | { | |
144 | LastScaleX = sx; | |
145 | LastScaleY = sy; | |
146 | ScaledBitmap = wxBitmap( OriginalImage.Scale( bmpsz.x, bmpsz.y ) ); | |
147 | } | |
148 | dc.DrawBitmap( ScaledBitmap, pos.x, pos.y ); | |
149 | #endif | |
150 | } | |
151 | else | |
152 | dc.DrawBitmap( Bitmap, pos.x, pos.y ); | |
153 | ||
154 | dc.EndDrawing(); | |
155 | } | |
156 | ||
157 | //WXDLLEXPORT_DATA(const wxChar *) wxStaticPictureNameStr = wxT("message"); | |
158 | const wxChar * wxStaticPictureNameStr = wxT("message"); |