| 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 |
| 24 | #include "wx/string.h" |
| 25 | #include "wx/window.h" |
| 26 | #endif |
| 27 | |
| 28 | #include "wx/msw/private.h" |
| 29 | |
| 30 | #include "wx/dcscreen.h" |
| 31 | |
| 32 | |
| 33 | IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC) |
| 34 | |
| 35 | // Create a DC representing the whole screen |
| 36 | wxScreenDC::wxScreenDC(void) |
| 37 | { |
| 38 | m_hDC = (WXHDC) ::GetDC((HWND) NULL); |
| 39 | m_hDCCount ++; |
| 40 | |
| 41 | // the background mode is only used for text background |
| 42 | // and is set in DrawText() to OPAQUE as required, other- |
| 43 | // wise always TRANSPARENT, RR |
| 44 | ::SetBkMode( GetHdc(), TRANSPARENT ); |
| 45 | } |
| 46 | |
| 47 | wxScreenDC::~wxScreenDC(void) |
| 48 | { |
| 49 | SelectOldObjects(m_hDC); |
| 50 | ::ReleaseDC((HWND) NULL, (HDC) m_hDC); |
| 51 | m_hDC = 0; |
| 52 | m_hDCCount --; |
| 53 | } |
| 54 | |