projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 32b8ec41 VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dcmemory.cpp | |
| 3 | // Purpose: | |
| 4 | // Author: Robert Roebling, Vaclav Slavik | |
| 5 | // RCS-ID: $Id$ | |
| 6 | // Copyright: (c) 1998 Robert Roebling, 2001 Vaclav Slavik | |
| 7 | // Licence: wxWindows licence | |
| 8 | ///////////////////////////////////////////////////////////////////////////// | |
| 9 | ||
| 10 | #ifdef __GNUG__ | |
| 11 | #pragma implementation "dcmemory.h" | |
| 12 | #endif | |
| 13 | ||
| 14 | // For compilers that support precompilation, includes "wx.h". | |
| 15 | #include "wx/wxprec.h" | |
| 16 | ||
| 17 | #ifdef __BORLANDC__ | |
| 18 | #pragma hdrstop | |
| 19 | #endif | |
| 20 | ||
| 21 | #include "wx/dcmemory.h" | |
| 22 | ||
| 23 | ||
| 24 | //----------------------------------------------------------------------------- | |
| 25 | // wxMemoryDC | |
| 26 | //----------------------------------------------------------------------------- | |
| 27 | ||
| 28 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC) | |
| 29 | ||
| 30 | wxMemoryDC::wxMemoryDC() : wxDC() | |
| 31 | { | |
| 32 | m_isMemDC = TRUE; | |
| 33 | } | |
| 34 | ||
| 35 | wxMemoryDC::wxMemoryDC(wxDC *WXUNUSED(dc)) : wxDC() | |
| 36 | { | |
| 37 | m_isMemDC = TRUE; | |
| 38 | } | |
| 39 | ||
| 40 | wxMemoryDC::~wxMemoryDC() | |
| 41 | { | |
| 42 | } | |
| 43 | ||
| 44 | void wxMemoryDC::SelectObject(const wxBitmap& bitmap) | |
| 45 | { | |
| 46 | SetMGLDC(NULL, TRUE); | |
| 47 | m_selected = bitmap; | |
| 48 | ||
| 49 | if ( bitmap.Ok() ) | |
| 50 | SetMGLDC(m_selected.CreateTmpDC(), TRUE); | |
| 51 | } | |
| 52 | ||
| 53 | void wxMemoryDC::SetPen(const wxPen &pen) | |
| 54 | { | |
| 55 | wxCHECK_RET( Ok(), wxT("invalid dc") ); | |
| 56 | ||
| 57 | if ( GetDepth() == 1 && *wxTRANSPARENT_PEN != pen ) | |
| 58 | { | |
| 59 | if ( *wxWHITE_PEN == pen ) | |
| 60 | wxDC::SetPen(*wxBLACK_PEN); | |
| 61 | else | |
| 62 | wxDC::SetPen(*wxWHITE_PEN); | |
| 63 | } | |
| 64 | else | |
| 65 | { | |
| 66 | wxDC::SetPen(pen); | |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | void wxMemoryDC::SetBrush(const wxBrush &brush) | |
| 71 | { | |
| 72 | wxCHECK_RET( Ok(), wxT("invalid dc") ); | |
| 73 | ||
| 74 | if ( GetDepth() == 1 && *wxTRANSPARENT_BRUSH != brush ) | |
| 75 | { | |
| 76 | if ( *wxWHITE_BRUSH == brush ) | |
| 77 | wxDC::SetBrush(*wxBLACK_BRUSH); | |
| 78 | else | |
| 79 | wxDC::SetBrush(*wxWHITE_BRUSH); | |
| 80 | } | |
| 81 | else | |
| 82 | { | |
| 83 | wxDC::SetBrush(brush); | |
| 84 | } | |
| 85 | } | |
| 86 | ||
| 87 | void wxMemoryDC::SetTextForeground(const wxColour &col) | |
| 88 | { | |
| 89 | wxCHECK_RET( Ok(), wxT("invalid dc") ); | |
| 90 | ||
| 91 | if ( GetDepth() == 1 ) | |
| 92 | { | |
| 93 | if ( col == *wxWHITE ) | |
| 94 | wxDC::SetTextForeground(*wxBLACK); | |
| 95 | else | |
| 96 | wxDC::SetTextForeground(*wxWHITE); | |
| 97 | } | |
| 98 | else | |
| 99 | { | |
| 100 | wxDC::SetTextForeground(col); | |
| 101 | } | |
| 102 | } | |
| 103 | ||
| 104 | void wxMemoryDC::SetTextBackground(const wxColour &col) | |
| 105 | { | |
| 106 | wxCHECK_RET( Ok(), wxT("invalid dc") ); | |
| 107 | ||
| 108 | if ( GetDepth() == 1 ) | |
| 109 | { | |
| 110 | if ( col == *wxWHITE ) | |
| 111 | wxDC::SetTextBackground(*wxBLACK); | |
| 112 | else | |
| 113 | wxDC::SetTextBackground(*wxWHITE); | |
| 114 | } | |
| 115 | else | |
| 116 | { | |
| 117 | wxDC::SetTextBackground(col); | |
| 118 | } | |
| 119 | } |