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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/x11/dcmemory.cpp | |
3 | // Purpose: wxMemoryDC class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // for compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #include "wx/dcmemory.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/utils.h" | |
19 | #include "wx/settings.h" | |
20 | #endif | |
21 | ||
22 | #include "wx/x11/private.h" | |
23 | ||
24 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC) | |
25 | ||
26 | wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap ) | |
27 | : wxWindowDC() | |
28 | { | |
29 | m_ok = false; | |
30 | ||
31 | m_display = (WXDisplay *) wxGlobalDisplay(); | |
32 | ||
33 | int screen = DefaultScreen( wxGlobalDisplay() ); | |
34 | m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen ); | |
35 | ||
36 | if ( bitmap.IsOk() ) | |
37 | SelectObject(bitmap); | |
38 | } | |
39 | ||
40 | wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) ) | |
41 | : wxWindowDC() | |
42 | { | |
43 | m_ok = false; | |
44 | ||
45 | m_display = (WXDisplay *) wxGlobalDisplay(); | |
46 | ||
47 | int screen = DefaultScreen( wxGlobalDisplay() ); | |
48 | m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen ); | |
49 | } | |
50 | ||
51 | wxMemoryDC::~wxMemoryDC() | |
52 | { | |
53 | } | |
54 | ||
55 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) | |
56 | { | |
57 | Destroy(); | |
58 | ||
59 | m_selected = bitmap; | |
60 | if (m_selected.Ok()) | |
61 | { | |
62 | if (m_selected.GetPixmap()) | |
63 | { | |
64 | m_window = (WXWindow) m_selected.GetPixmap(); | |
65 | } | |
66 | else | |
67 | { | |
68 | m_window = m_selected.GetBitmap(); | |
69 | } | |
70 | ||
71 | m_isMemDC = true; | |
72 | ||
73 | SetUpDC(); | |
74 | } | |
75 | else | |
76 | { | |
77 | m_ok = false; | |
78 | m_window = NULL; | |
79 | } | |
80 | } | |
81 | ||
82 | void wxMemoryDC::DoGetSize( int *width, int *height ) const | |
83 | { | |
84 | if (m_selected.Ok()) | |
85 | { | |
86 | if (width) (*width) = m_selected.GetWidth(); | |
87 | if (height) (*height) = m_selected.GetHeight(); | |
88 | } | |
89 | else | |
90 | { | |
91 | if (width) (*width) = 0; | |
92 | if (height) (*height) = 0; | |
93 | } | |
94 | } |