compilation fixes - wxGTK compiles but not links
[wxWidgets.git] / src / msw / icon.cpp
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2bda0e17 1/////////////////////////////////////////////////////////////////////////////
0d0512bd 2// Name: msw/icon.cpp
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3// Purpose: wxIcon class
4// Author: Julian Smart
0d0512bd 5// Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more
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6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart and Markus Holzem
8ed57d93 9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
2bda0e17 20#ifdef __GNUG__
0d0512bd 21 #pragma implementation "icon.h"
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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
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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
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44 #include "wx/msw/curico.h"
45 #include "wx/msw/curicop.h"
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46#endif
47
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48// ----------------------------------------------------------------------------
49// wxWin macros
50// ----------------------------------------------------------------------------
51
4b7f2165 52IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxIconBase)
2bda0e17 53
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54// ============================================================================
55// implementation
56// ============================================================================
2bda0e17 57
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58// ----------------------------------------------------------------------------
59// wxIconRefData
60// ----------------------------------------------------------------------------
2bda0e17 61
0d0512bd 62void wxIconRefData::Free()
2bda0e17 63{
0d0512bd 64 if ( m_hIcon )
032af30f 65 {
0d0512bd 66 ::DestroyIcon((HICON) m_hIcon);
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67
68 m_hIcon = 0;
69 }
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70}
71
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72// ----------------------------------------------------------------------------
73// wxIcon
74// ----------------------------------------------------------------------------
2bda0e17 75
4b7f2165 76wxIcon::wxIcon(const char bits[], int width, int height)
2bda0e17 77{
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78 wxBitmap bmp(bits, width, height);
79 CopyFromBitmap(bmp);
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80}
81
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82wxIcon::wxIcon(const wxString& iconfile,
83 long flags,
84 int desiredWidth,
85 int desiredHeight)
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86
87{
0d0512bd 88 LoadFile(iconfile, flags, desiredWidth, desiredHeight);
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89}
90
0d0512bd 91wxIcon::~wxIcon()
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92{
93}
94
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95void 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
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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
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127 HICON hicon = ::CreateIconIndirect(&iconInfo);
128 if ( !hicon )
129 {
f6bcfd97 130 wxLogLastError(wxT("CreateIconIndirect"));
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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...
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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");
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156#endif // Win32/16
157}
158
159void wxIcon::CreateIconFromXpm(const char **data)
160{
161 wxBitmap bmp(data);
162 CopyFromBitmap(bmp);
163}
164
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165bool 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 {
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175 // say something?
176 return FALSE;
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177 }
178
0d0512bd 179 return handler->Load(this, filename, type, desiredWidth, desiredHeight);
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180}
181