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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk1/dcmemory.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // RCS-ID: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #include "wx/dcmemory.h" | |
14 | ||
15 | #include <gdk/gdk.h> | |
16 | #include <gtk/gtk.h> | |
17 | ||
18 | //----------------------------------------------------------------------------- | |
19 | // wxMemoryDC | |
20 | //----------------------------------------------------------------------------- | |
21 | ||
22 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC) | |
23 | ||
24 | wxMemoryDC::wxMemoryDC() : wxWindowDC() | |
25 | { | |
26 | m_ok = false; | |
27 | ||
28 | m_cmap = gtk_widget_get_default_colormap(); | |
29 | } | |
30 | ||
31 | wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) ) | |
32 | : wxWindowDC() | |
33 | { | |
34 | m_ok = false; | |
35 | ||
36 | m_cmap = gtk_widget_get_default_colormap(); | |
37 | ||
38 | } | |
39 | ||
40 | wxMemoryDC::~wxMemoryDC() | |
41 | { | |
42 | } | |
43 | ||
44 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) | |
45 | { | |
46 | Destroy(); | |
47 | m_selected = bitmap; | |
48 | if (m_selected.Ok()) | |
49 | { | |
50 | if (m_selected.GetPixmap()) | |
51 | { | |
52 | m_window = m_selected.GetPixmap(); | |
53 | } | |
54 | else | |
55 | { | |
56 | m_window = m_selected.GetBitmap(); | |
57 | } | |
58 | ||
59 | m_isMemDC = true; | |
60 | ||
61 | SetUpDC(); | |
62 | } | |
63 | else | |
64 | { | |
65 | m_ok = false; | |
66 | m_window = (GdkWindow *) NULL; | |
67 | } | |
68 | } | |
69 | ||
70 | void wxMemoryDC::SetPen( const wxPen& penOrig ) | |
71 | { | |
72 | wxPen pen( penOrig ); | |
73 | if ( m_selected.Ok() && | |
74 | m_selected.GetBitmap() && | |
75 | (pen != *wxTRANSPARENT_PEN) ) | |
76 | { | |
77 | pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE ); | |
78 | } | |
79 | ||
80 | wxWindowDC::SetPen( pen ); | |
81 | } | |
82 | ||
83 | void wxMemoryDC::SetBrush( const wxBrush& brushOrig ) | |
84 | { | |
85 | wxBrush brush( brushOrig ); | |
86 | if ( m_selected.Ok() && | |
87 | m_selected.GetBitmap() && | |
88 | (brush != *wxTRANSPARENT_BRUSH) ) | |
89 | { | |
90 | brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE); | |
91 | } | |
92 | ||
93 | wxWindowDC::SetBrush( brush ); | |
94 | } | |
95 | ||
96 | void wxMemoryDC::SetBackground( const wxBrush& brushOrig ) | |
97 | { | |
98 | wxBrush brush(brushOrig); | |
99 | ||
100 | if ( m_selected.Ok() && | |
101 | m_selected.GetBitmap() && | |
102 | (brush != *wxTRANSPARENT_BRUSH) ) | |
103 | { | |
104 | brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE ); | |
105 | } | |
106 | ||
107 | wxWindowDC::SetBackground( brush ); | |
108 | } | |
109 | ||
110 | void wxMemoryDC::SetTextForeground( const wxColour& col ) | |
111 | { | |
112 | if ( m_selected.Ok() && m_selected.GetBitmap() ) | |
113 | { | |
114 | wxWindowDC::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE); | |
115 | } | |
116 | else | |
117 | { | |
118 | wxWindowDC::SetTextForeground( col ); | |
119 | } | |
120 | } | |
121 | ||
122 | void wxMemoryDC::SetTextBackground( const wxColour &col ) | |
123 | { | |
124 | if (m_selected.Ok() && m_selected.GetBitmap()) | |
125 | { | |
126 | wxWindowDC::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE ); | |
127 | } | |
128 | else | |
129 | { | |
130 | wxWindowDC::SetTextBackground( col ); | |
131 | } | |
132 | } | |
133 | ||
134 | void wxMemoryDC::DoGetSize( int *width, int *height ) const | |
135 | { | |
136 | if (m_selected.Ok()) | |
137 | { | |
138 | if (width) (*width) = m_selected.GetWidth(); | |
139 | if (height) (*height) = m_selected.GetHeight(); | |
140 | } | |
141 | else | |
142 | { | |
143 | if (width) (*width) = 0; | |
144 | if (height) (*height) = 0; | |
145 | } | |
146 | } |