projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 83df96d6 JS |
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 | #ifdef __VMS__ | |
| 21 | #pragma message disable nosimpint | |
| 22 | #endif | |
| 83df96d6 JS |
23 | #ifdef __VMS__ |
| 24 | #pragma message enable nosimpint | |
| 25 | #endif | |
| 26 | ||
| 7266b672 | 27 | #include "wx/x11/private.h" |
| 83df96d6 JS |
28 | |
| 29 | //----------------------------------------------------------------------------- | |
| 30 | // wxMemoryDC | |
| 31 | //----------------------------------------------------------------------------- | |
| 32 | ||
| 33 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxWindowDC) | |
| 34 | ||
| 35 | wxMemoryDC::wxMemoryDC(void) | |
| 36 | { | |
| 37 | m_ok = TRUE; | |
| 38 | m_display = wxGetDisplay(); | |
| 39 | ||
| 40 | Display* display = (Display*) m_display; | |
| 41 | ||
| 42 | XGCValues gcvalues; | |
| 43 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
| 44 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
| 45 | gcvalues.graphics_exposures = False; | |
| 46 | gcvalues.subwindow_mode = IncludeInferiors; | |
| 47 | gcvalues.line_width = 1; | |
| 48 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
| 49 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, | |
| 50 | &gcvalues); | |
| 51 | ||
| 52 | m_backgroundPixel = (int) gcvalues.background; | |
| 53 | ||
| 54 | // Get the current Font so we can set it back later | |
| 55 | XGCValues valReturn; | |
| 56 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
| 57 | m_oldFont = (WXFont) valReturn.font; | |
| 58 | SetBrush (* wxWHITE_BRUSH); | |
| 59 | SetPen (* wxBLACK_PEN); | |
| 60 | SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
| 61 | }; | |
| 62 | ||
| 63 | wxMemoryDC::wxMemoryDC( wxDC* dc ) | |
| 64 | { | |
| 65 | m_ok = TRUE; | |
| 66 | if (dc && dc->IsKindOf(CLASSINFO(wxWindowDC))) | |
| 67 | m_display = ((wxWindowDC*)dc)->GetDisplay(); | |
| 68 | else | |
| 69 | m_display = wxGetDisplay(); | |
| 70 | ||
| 71 | Display* display = (Display*) m_display; | |
| 72 | ||
| 73 | XGCValues gcvalues; | |
| 74 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
| 75 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
| 76 | gcvalues.graphics_exposures = False; | |
| 77 | gcvalues.subwindow_mode = IncludeInferiors; | |
| 78 | gcvalues.line_width = 1; | |
| 79 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
| 80 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, | |
| 81 | &gcvalues); | |
| 82 | ||
| 83 | m_backgroundPixel = (int) gcvalues.background; | |
| 84 | ||
| 85 | // Get the current Font so we can set it back later | |
| 86 | XGCValues valReturn; | |
| 87 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
| 88 | m_oldFont = (WXFont) valReturn.font; | |
| 89 | SetBrush (* wxWHITE_BRUSH); | |
| 90 | SetPen (* wxBLACK_PEN); | |
| 91 | }; | |
| 92 | ||
| 93 | wxMemoryDC::~wxMemoryDC(void) | |
| 94 | { | |
| 95 | }; | |
| 96 | ||
| 97 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) | |
| 98 | { | |
| 99 | m_bitmap = bitmap; | |
| 100 | ||
| 101 | if (m_gc) | |
| 102 | XFreeGC((Display*) m_display, (GC) m_gc); | |
| 103 | m_gc = (WXGC) NULL; | |
| 104 | ||
| 105 | if (m_bitmap.Ok() && (bitmap.GetDisplay() == m_display)) | |
| 106 | { | |
| 107 | m_pixmap = m_bitmap.GetPixmap(); | |
| 108 | Display* display = (Display*) m_display; | |
| 109 | ||
| 110 | XGCValues gcvalues; | |
| 111 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
| 112 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
| 113 | gcvalues.graphics_exposures = False; | |
| 114 | gcvalues.subwindow_mode = IncludeInferiors; | |
| 115 | gcvalues.line_width = 1; | |
| 116 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
| 117 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, | |
| 118 | &gcvalues); | |
| 119 | ||
| 120 | m_backgroundPixel = (int) gcvalues.background; | |
| 121 | ||
| 122 | // Get the current Font so we can set it back later | |
| 123 | XGCValues valReturn; | |
| 124 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
| 125 | m_oldFont = (WXFont) valReturn.font; | |
| 126 | ||
| 127 | bool oldOpt = GetOptimization(); | |
| 128 | SetOptimization(FALSE); | |
| 129 | ||
| 130 | SetBrush (* wxWHITE_BRUSH); | |
| 131 | SetPen (* wxBLACK_PEN); | |
| 132 | ||
| 133 | SetOptimization(oldOpt); | |
| 134 | ||
| 135 | m_ok = TRUE; | |
| 136 | } | |
| 137 | else | |
| 138 | { | |
| 139 | m_ok = FALSE; | |
| 140 | m_pixmap = (WXPixmap) 0; | |
| 141 | }; | |
| 142 | }; | |
| 143 | ||
| 144 | void wxMemoryDC::DoGetSize( int *width, int *height ) const | |
| 145 | { | |
| 146 | if (m_bitmap.Ok()) | |
| 147 | { | |
| 148 | if (width) (*width) = m_bitmap.GetWidth(); | |
| 149 | if (height) (*height) = m_bitmap.GetHeight(); | |
| 150 | } | |
| 151 | else | |
| 152 | { | |
| 153 | if (width) (*width) = 0; | |
| 154 | if (height) (*height) = 0; | |
| 155 | }; | |
| 156 | }; | |
| 157 | ||
| 158 |