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2bda0e17 | 1 | ///////////////////////////////////////////////////////////////////////////// |
0d0512bd | 2 | // Name: msw/icon.cpp |
2bda0e17 KB |
3 | // Purpose: wxIcon class |
4 | // Author: Julian Smart | |
0d0512bd | 5 | // Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more |
2bda0e17 KB |
6 | // Created: 04/01/98 |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
8ed57d93 | 9 | // Licence: wxWindows license |
2bda0e17 KB |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
0d0512bd VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
2bda0e17 | 20 | #ifdef __GNUG__ |
0d0512bd | 21 | #pragma implementation "icon.h" |
2bda0e17 KB |
22 | #endif |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
0d0512bd | 28 | #pragma hdrstop |
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29 | #endif |
30 | ||
31 | #ifndef WX_PRECOMP | |
0d0512bd VZ |
32 | #include "wx/defs.h" |
33 | #include "wx/list.h" | |
34 | #include "wx/utils.h" | |
35 | #include "wx/app.h" | |
36 | #include "wx/icon.h" | |
f02b73c4 | 37 | #include "wx/bitmap.h" |
f94dfb38 | 38 | #include "wx/log.h" |
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39 | #endif |
40 | ||
41 | #include "wx/msw/private.h" | |
2bda0e17 | 42 | |
47d67540 | 43 | #if wxUSE_RESOURCE_LOADING_IN_MSW |
0d0512bd VZ |
44 | #include "wx/msw/curico.h" |
45 | #include "wx/msw/curicop.h" | |
2bda0e17 KB |
46 | #endif |
47 | ||
0d0512bd VZ |
48 | // ---------------------------------------------------------------------------- |
49 | // wxWin macros | |
50 | // ---------------------------------------------------------------------------- | |
51 | ||
4b7f2165 | 52 | IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxIconBase) |
2bda0e17 | 53 | |
0d0512bd VZ |
54 | // ============================================================================ |
55 | // implementation | |
56 | // ============================================================================ | |
2bda0e17 | 57 | |
0d0512bd VZ |
58 | // ---------------------------------------------------------------------------- |
59 | // wxIconRefData | |
60 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 61 | |
0d0512bd | 62 | void wxIconRefData::Free() |
2bda0e17 | 63 | { |
0d0512bd | 64 | if ( m_hIcon ) |
032af30f | 65 | { |
0d0512bd | 66 | ::DestroyIcon((HICON) m_hIcon); |
032af30f VZ |
67 | |
68 | m_hIcon = 0; | |
69 | } | |
2bda0e17 KB |
70 | } |
71 | ||
0d0512bd VZ |
72 | // ---------------------------------------------------------------------------- |
73 | // wxIcon | |
74 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 75 | |
4b7f2165 | 76 | wxIcon::wxIcon(const char bits[], int width, int height) |
2bda0e17 | 77 | { |
4b7f2165 VZ |
78 | wxBitmap bmp(bits, width, height); |
79 | CopyFromBitmap(bmp); | |
2bda0e17 KB |
80 | } |
81 | ||
0d0512bd VZ |
82 | wxIcon::wxIcon(const wxString& iconfile, |
83 | long flags, | |
84 | int desiredWidth, | |
85 | int desiredHeight) | |
2bda0e17 KB |
86 | |
87 | { | |
0d0512bd | 88 | LoadFile(iconfile, flags, desiredWidth, desiredHeight); |
2bda0e17 KB |
89 | } |
90 | ||
0d0512bd | 91 | wxIcon::~wxIcon() |
2bda0e17 KB |
92 | { |
93 | } | |
94 | ||
4b7f2165 VZ |
95 | void wxIcon::CopyFromBitmap(const wxBitmap& bmp) |
96 | { | |
97 | #ifdef __WIN32__ | |
98 | wxMask *mask = bmp.GetMask(); | |
99 | if ( !mask ) | |
100 | { | |
101 | // we must have a mask for an icon, so even if it's probably incorrect, | |
102 | // do create it (grey is the "standard" transparent colour) | |
103 | mask = new wxMask(bmp, *wxLIGHT_GREY); | |
104 | } | |
105 | ||
106 | ICONINFO iconInfo; | |
107 | iconInfo.fIcon = TRUE; // we want an icon, not a cursor | |
108 | iconInfo.hbmMask = wxInvertMask((HBITMAP)mask->GetMaskBitmap()); | |
109 | iconInfo.hbmColor = GetHbitmapOf(bmp); | |
110 | ||
2edc119b GRG |
111 | /* GRG: black out the transparent area to preserve background |
112 | * colour, because Windows blits the original bitmap using | |
113 | * SRCINVERT (XOR) after applying the mask to the dest rect. | |
114 | */ | |
115 | HDC dcSrc = ::CreateCompatibleDC(NULL); | |
116 | HDC dcDst = ::CreateCompatibleDC(NULL); | |
117 | SelectObject(dcSrc, (HBITMAP)mask->GetMaskBitmap()); | |
118 | SelectObject(dcDst, iconInfo.hbmColor); | |
119 | ||
120 | BitBlt(dcDst, 0, 0, bmp.GetWidth(), bmp.GetHeight(), dcSrc, 0, 0, SRCAND); | |
121 | ||
122 | SelectObject(dcDst, NULL); | |
123 | SelectObject(dcSrc, NULL); | |
124 | DeleteDC(dcDst); | |
125 | DeleteDC(dcSrc); | |
126 | ||
4b7f2165 VZ |
127 | HICON hicon = ::CreateIconIndirect(&iconInfo); |
128 | if ( !hicon ) | |
129 | { | |
f6bcfd97 | 130 | wxLogLastError(wxT("CreateIconIndirect")); |
4b7f2165 VZ |
131 | } |
132 | else | |
133 | { | |
134 | SetHICON((WXHICON)hicon); | |
135 | SetSize(bmp.GetWidth(), bmp.GetHeight()); | |
136 | } | |
137 | ||
138 | if ( !bmp.GetMask() ) | |
139 | { | |
140 | // we created the mask, now delete it | |
141 | delete mask; | |
142 | } | |
143 | #else // Win16 | |
144 | // there are some functions in curico.cpp which probably could be used | |
145 | // here... | |
669f7a11 JS |
146 | // This probably doesn't work. |
147 | HBITMAP hBitmap = (HBITMAP) bmp.GetHBITMAP(); | |
148 | HICON hIcon = MakeIconFromBitmap((HINSTANCE) wxGetInstance(), hBitmap); | |
149 | if (hIcon) | |
150 | { | |
151 | SetHICON((WXHICON)hIcon); | |
152 | SetSize(bmp.GetWidth(), bmp.GetHeight()); | |
153 | } | |
154 | ||
155 | // wxFAIL_MSG("Bitmap to icon conversion (including use of XPMs for icons) not implemented"); | |
4b7f2165 VZ |
156 | #endif // Win32/16 |
157 | } | |
158 | ||
159 | void wxIcon::CreateIconFromXpm(const char **data) | |
160 | { | |
161 | wxBitmap bmp(data); | |
162 | CopyFromBitmap(bmp); | |
163 | } | |
164 | ||
0d0512bd VZ |
165 | bool wxIcon::LoadFile(const wxString& filename, |
166 | long type, | |
167 | int desiredWidth, int desiredHeight) | |
2bda0e17 | 168 | { |
0d0512bd | 169 | UnRef(); |
2bda0e17 | 170 | |
0d0512bd | 171 | wxGDIImageHandler *handler = FindHandler(type); |
2bda0e17 | 172 | |
0d0512bd | 173 | if ( !handler ) |
2bda0e17 | 174 | { |
0d0512bd VZ |
175 | // say something? |
176 | return FALSE; | |
2bda0e17 KB |
177 | } |
178 | ||
0d0512bd | 179 | return handler->Load(this, filename, type, desiredWidth, desiredHeight); |
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180 | } |
181 |