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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: dcscreen.cpp | |
3 | // Purpose: wxScreenDC class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "dcscreen.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #ifndef WX_PRECOMP | |
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24 | #include "wx/string.h" |
25 | #include "wx/window.h" | |
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26 | #endif |
27 | ||
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28 | #include "wx/msw/private.h" |
29 | ||
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30 | #include "wx/dcscreen.h" |
31 | ||
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32 | |
33 | #if !USE_SHARED_LIBRARY | |
34 | IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC) | |
35 | #endif | |
36 | ||
37 | // Create a DC representing the whole screen | |
38 | wxScreenDC::wxScreenDC(void) | |
39 | { | |
57c208c5 | 40 | m_hDC = (WXHDC) ::GetDC((HWND) NULL); |
2bda0e17 | 41 | m_hDCCount ++; |
c45a644e RR |
42 | |
43 | // the background mode is only used for text background | |
44 | // and is set in DrawText() to OPAQUE as required, other- | |
45 | // wise always TRANSPARENT, RR | |
46 | ::SetBkMode( GetHdc(), TRANSPARENT ); | |
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47 | } |
48 | ||
49 | wxScreenDC::~wxScreenDC(void) | |
50 | { | |
51 | SelectOldObjects(m_hDC); | |
57c208c5 | 52 | ::ReleaseDC((HWND) NULL, (HDC) m_hDC); |
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53 | m_hDC = 0; |
54 | m_hDCCount --; | |
55 | } | |
56 |