1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/x11/dcmemory.cpp
3 // Purpose: wxMemoryDC class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // Copyright: (c) Julian Smart
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // for compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #include "wx/dcmemory.h"
15
16 #ifndef WX_PRECOMP
17 #include "wx/utils.h"
18 #include "wx/settings.h"
19 #endif
20
21 #include "wx/x11/private.h"
22 #include "wx/x11/dcmemory.h"
23
IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl,wxWindowDCImpl)24 IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl,wxWindowDCImpl)
25
26 wxMemoryDCImpl::wxMemoryDCImpl( wxDC *owner )
27 : wxWindowDCImpl( owner )
28 {
29 Init();
30 }
31
wxMemoryDCImpl(wxDC * owner,wxBitmap & bitmap)32 wxMemoryDCImpl::wxMemoryDCImpl( wxDC *owner, wxBitmap& bitmap )
33 : wxWindowDCImpl( owner )
34 {
35 Init();
36 DoSelect(bitmap);
37 }
38
wxMemoryDCImpl(wxDC * owner,wxDC * WXUNUSED (dc))39 wxMemoryDCImpl::wxMemoryDCImpl( wxDC* owner, wxDC *WXUNUSED(dc) )
40 : wxWindowDCImpl( owner )
41 {
42 Init();
43 }
44
Init()45 void wxMemoryDCImpl::Init()
46 {
47 m_ok = false;
48
49 m_display = (WXDisplay *) wxGlobalDisplay();
50
51 int screen = DefaultScreen( wxGlobalDisplay() );
52 m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
53 }
54
~wxMemoryDCImpl()55 wxMemoryDCImpl::~wxMemoryDCImpl()
56 {
57 }
58
DoSelect(const wxBitmap & bitmap)59 void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
60 {
61 Destroy();
62
63 m_selected = bitmap;
64 if (m_selected.IsOk())
65 {
66 if (m_selected.GetPixmap())
67 {
68 m_x11window = (WXWindow) m_selected.GetPixmap();
69 }
70 else
71 {
72 m_x11window = m_selected.GetBitmap();
73 }
74
75 m_isMemDC = true;
76
77 SetUpDC();
78 }
79 else
80 {
81 m_ok = false;
82 m_x11window = NULL;
83 }
84 }
85
DoGetSize(int * width,int * height) const86 void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
87 {
88 if (m_selected.IsOk())
89 {
90 if (width) (*width) = m_selected.GetWidth();
91 if (height) (*height) = m_selected.GetHeight();
92 }
93 else
94 {
95 if (width) (*width) = 0;
96 if (height) (*height) = 0;
97 }
98 }
99
GetSelectedBitmap() const100 const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const
101 {
102 return m_selected;
103 }
104
GetSelectedBitmap()105 wxBitmap& wxMemoryDCImpl::GetSelectedBitmap()
106 {
107 return m_selected;
108 }
109