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4bb6408c 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" | |
0ba1a6f3 | 17 | #include "wx/settings.h" |
a4294b78 JS |
18 | #include "wx/utils.h" |
19 | ||
338dd992 JJ |
20 | #ifdef __VMS__ |
21 | #pragma message disable nosimpint | |
22 | #endif | |
a4294b78 | 23 | #include <Xm/Xm.h> |
338dd992 JJ |
24 | #ifdef __VMS__ |
25 | #pragma message enable nosimpint | |
26 | #endif | |
a4294b78 JS |
27 | |
28 | #include "wx/motif/private.h" | |
4bb6408c JS |
29 | |
30 | //----------------------------------------------------------------------------- | |
31 | // wxMemoryDC | |
32 | //----------------------------------------------------------------------------- | |
33 | ||
16c1f7f3 | 34 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxWindowDC) |
4bb6408c JS |
35 | |
36 | wxMemoryDC::wxMemoryDC(void) | |
37 | { | |
a4294b78 JS |
38 | m_ok = TRUE; |
39 | m_display = wxGetDisplay(); | |
2d120f83 | 40 | |
a4294b78 | 41 | Display* display = (Display*) m_display; |
2d120f83 | 42 | |
a4294b78 JS |
43 | XGCValues gcvalues; |
44 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
45 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
46 | gcvalues.graphics_exposures = False; | |
66eca538 | 47 | gcvalues.subwindow_mode = IncludeInferiors; |
a4294b78 JS |
48 | gcvalues.line_width = 1; |
49 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
66eca538 | 50 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, |
2d120f83 JS |
51 | &gcvalues); |
52 | ||
a4294b78 | 53 | m_backgroundPixel = (int) gcvalues.background; |
2d120f83 | 54 | |
a4294b78 JS |
55 | // Get the current Font so we can set it back later |
56 | XGCValues valReturn; | |
57 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
58 | m_oldFont = (WXFont) valReturn.font; | |
c0ed460c JS |
59 | SetBrush (* wxWHITE_BRUSH); |
60 | SetPen (* wxBLACK_PEN); | |
0ba1a6f3 | 61 | SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); |
4bb6408c JS |
62 | }; |
63 | ||
a4294b78 | 64 | wxMemoryDC::wxMemoryDC( wxDC* dc ) |
4bb6408c | 65 | { |
a4294b78 JS |
66 | m_ok = TRUE; |
67 | if (dc && dc->IsKindOf(CLASSINFO(wxWindowDC))) | |
68 | m_display = ((wxWindowDC*)dc)->GetDisplay(); | |
69 | else | |
70 | m_display = wxGetDisplay(); | |
2d120f83 | 71 | |
a4294b78 | 72 | Display* display = (Display*) m_display; |
2d120f83 | 73 | |
a4294b78 JS |
74 | XGCValues gcvalues; |
75 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
76 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
77 | gcvalues.graphics_exposures = False; | |
66eca538 | 78 | gcvalues.subwindow_mode = IncludeInferiors; |
a4294b78 JS |
79 | gcvalues.line_width = 1; |
80 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
66eca538 | 81 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, |
2d120f83 JS |
82 | &gcvalues); |
83 | ||
a4294b78 | 84 | m_backgroundPixel = (int) gcvalues.background; |
2d120f83 | 85 | |
a4294b78 JS |
86 | // Get the current Font so we can set it back later |
87 | XGCValues valReturn; | |
88 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
89 | m_oldFont = (WXFont) valReturn.font; | |
c0ed460c JS |
90 | SetBrush (* wxWHITE_BRUSH); |
91 | SetPen (* wxBLACK_PEN); | |
4bb6408c JS |
92 | }; |
93 | ||
94 | wxMemoryDC::~wxMemoryDC(void) | |
95 | { | |
96 | }; | |
97 | ||
98 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) | |
99 | { | |
2d120f83 | 100 | m_bitmap = bitmap; |
a4294b78 | 101 | |
2d120f83 JS |
102 | if (m_gc) |
103 | XFreeGC((Display*) m_display, (GC) m_gc); | |
104 | m_gc = (WXGC) NULL; | |
105 | ||
106 | if (m_bitmap.Ok() && (bitmap.GetDisplay() == m_display)) | |
107 | { | |
108 | m_pixmap = m_bitmap.GetPixmap(); | |
109 | Display* display = (Display*) m_display; | |
110 | ||
111 | XGCValues gcvalues; | |
112 | gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); | |
113 | gcvalues.background = WhitePixel (display, DefaultScreen (display)); | |
114 | gcvalues.graphics_exposures = False; | |
66eca538 | 115 | gcvalues.subwindow_mode = IncludeInferiors; |
2d120f83 JS |
116 | gcvalues.line_width = 1; |
117 | m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), | |
66eca538 | 118 | GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, |
2d120f83 JS |
119 | &gcvalues); |
120 | ||
121 | m_backgroundPixel = (int) gcvalues.background; | |
122 | ||
123 | // Get the current Font so we can set it back later | |
124 | XGCValues valReturn; | |
125 | XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn); | |
126 | m_oldFont = (WXFont) valReturn.font; | |
127 | ||
128 | bool oldOpt = GetOptimization(); | |
129 | SetOptimization(FALSE); | |
130 | ||
131 | SetBrush (* wxWHITE_BRUSH); | |
132 | SetPen (* wxBLACK_PEN); | |
133 | ||
134 | SetOptimization(oldOpt); | |
135 | ||
136 | m_ok = TRUE; | |
137 | } | |
138 | else | |
139 | { | |
140 | m_ok = FALSE; | |
141 | m_pixmap = (WXPixmap) 0; | |
142 | }; | |
4bb6408c JS |
143 | }; |
144 | ||
96f201da | 145 | void wxMemoryDC::DoGetSize( int *width, int *height ) const |
4bb6408c | 146 | { |
2d120f83 JS |
147 | if (m_bitmap.Ok()) |
148 | { | |
149 | if (width) (*width) = m_bitmap.GetWidth(); | |
150 | if (height) (*height) = m_bitmap.GetHeight(); | |
151 | } | |
152 | else | |
153 | { | |
154 | if (width) (*width) = 0; | |
155 | if (height) (*height) = 0; | |
156 | }; | |
4bb6408c JS |
157 | }; |
158 | ||
159 |