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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/generic/mask.cpp | |
3 | // Purpose: generic wxMask implementation | |
4 | // Author: Vadim Zeitlin | |
5 | // Created: 2006-09-28 | |
6 | // Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org> | |
7 | // Licence: wxWindows licence | |
8 | /////////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // ============================================================================ | |
11 | // declarations | |
12 | // ============================================================================ | |
13 | ||
14 | // ---------------------------------------------------------------------------- | |
15 | // headers | |
16 | // ---------------------------------------------------------------------------- | |
17 | ||
18 | // for compilers that support precompilation, includes "wx.h". | |
19 | #include "wx/wxprec.h" | |
20 | ||
21 | #ifdef __BORLANDC__ | |
22 | #pragma hdrstop | |
23 | #endif | |
24 | ||
25 | #ifndef WX_PRECOMP | |
26 | #include "wx/bitmap.h" | |
27 | #include "wx/image.h" | |
28 | #endif // WX_PRECOMP | |
29 | ||
30 | #if wxUSE_GENERIC_MASK | |
31 | ||
32 | // ============================================================================ | |
33 | // wxMask implementation | |
34 | // ============================================================================ | |
35 | ||
36 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) | |
37 | ||
38 | void wxMask::FreeData() | |
39 | { | |
40 | m_bitmap = wxNullBitmap; | |
41 | } | |
42 | ||
43 | bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour) | |
44 | { | |
45 | #if wxUSE_IMAGE | |
46 | const wxColour clr(bitmap.QuantizeColour(colour)); | |
47 | ||
48 | wxImage imgSrc(bitmap.ConvertToImage()); | |
49 | imgSrc.SetMask(false); | |
50 | wxImage image(imgSrc.ConvertToMono(clr.Red(), clr.Green(), clr.Blue())); | |
51 | if ( !image.IsOk() ) | |
52 | return false; | |
53 | ||
54 | m_bitmap = wxBitmap(image, 1); | |
55 | ||
56 | return m_bitmap.IsOk(); | |
57 | #else // !wxUSE_IMAGE | |
58 | wxUnusedVar(bitmap); | |
59 | wxUnusedVar(colour); | |
60 | ||
61 | return false; | |
62 | #endif // wxUSE_IMAGE/!wxUSE_IMAGE | |
63 | } | |
64 | ||
65 | bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap) | |
66 | { | |
67 | wxCHECK_MSG( bitmap.IsOk(), false, wxT("Invalid bitmap") ); | |
68 | wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") ); | |
69 | ||
70 | m_bitmap = bitmap; | |
71 | ||
72 | return true; | |
73 | } | |
74 | ||
75 | #endif // wxUSE_GENERIC_MASK |