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