| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | #ifdef __GNUG__ |
| 13 | #pragma implementation "dcmemory.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/dcmemory.h" |
| 17 | #include "wx/settings.h" |
| 18 | #include "wx/utils.h" |
| 19 | |
| 20 | #include "wx/x11/private.h" |
| 21 | |
| 22 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC) |
| 23 | |
| 24 | wxMemoryDC::wxMemoryDC() : wxWindowDC() |
| 25 | { |
| 26 | m_ok = FALSE; |
| 27 | |
| 28 | m_display = (WXDisplay *) wxGlobalDisplay(); |
| 29 | |
| 30 | int screen = DefaultScreen( wxGlobalDisplay() ); |
| 31 | m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen ); |
| 32 | } |
| 33 | |
| 34 | wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) ) |
| 35 | : wxWindowDC() |
| 36 | { |
| 37 | m_ok = FALSE; |
| 38 | |
| 39 | m_display = (WXDisplay *) wxGlobalDisplay(); |
| 40 | |
| 41 | int screen = DefaultScreen( wxGlobalDisplay() ); |
| 42 | m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen ); |
| 43 | } |
| 44 | |
| 45 | wxMemoryDC::~wxMemoryDC() |
| 46 | { |
| 47 | } |
| 48 | |
| 49 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) |
| 50 | { |
| 51 | Destroy(); |
| 52 | |
| 53 | m_selected = bitmap; |
| 54 | if (m_selected.Ok()) |
| 55 | { |
| 56 | if (m_selected.GetPixmap()) |
| 57 | { |
| 58 | m_window = (WXWindow) m_selected.GetPixmap(); |
| 59 | } |
| 60 | else |
| 61 | { |
| 62 | // m_window = m_selected.GetBitmap(); |
| 63 | } |
| 64 | |
| 65 | m_isMemDC = TRUE; |
| 66 | |
| 67 | SetUpDC(); |
| 68 | } |
| 69 | else |
| 70 | { |
| 71 | m_ok = FALSE; |
| 72 | m_window = NULL; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | void wxMemoryDC::DoGetSize( int *width, int *height ) const |
| 77 | { |
| 78 | if (m_selected.Ok()) |
| 79 | { |
| 80 | if (width) (*width) = m_selected.GetWidth(); |
| 81 | if (height) (*height) = m_selected.GetHeight(); |
| 82 | } |
| 83 | else |
| 84 | { |
| 85 | if (width) (*width) = 0; |
| 86 | if (height) (*height) = 0; |
| 87 | } |
| 88 | } |