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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: dcmemory.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
6f65e337 | 5 | // RCS-ID: $Id$ |
01111366 | 6 | // Copyright: (c) 1998 Robert Roebling |
72cdf4c9 | 7 | // Licence: wxWindows licence |
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8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
10 | #ifdef __GNUG__ | |
11 | #pragma implementation "dcmemory.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/dcmemory.h" | |
15 | ||
071a2d78 RR |
16 | #include <gdk/gdk.h> |
17 | #include <gtk/gtk.h> | |
83624f79 | 18 | |
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19 | //----------------------------------------------------------------------------- |
20 | // wxMemoryDC | |
21 | //----------------------------------------------------------------------------- | |
22 | ||
ec758a20 | 23 | IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC) |
c801d85f | 24 | |
4bc67cc5 | 25 | wxMemoryDC::wxMemoryDC() : wxWindowDC() |
c801d85f | 26 | { |
4bc67cc5 | 27 | m_ok = FALSE; |
72cdf4c9 | 28 | |
4bc67cc5 | 29 | m_cmap = gtk_widget_get_default_colormap(); |
ff7b1510 | 30 | } |
c801d85f | 31 | |
72cdf4c9 | 32 | wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) ) |
ec758a20 | 33 | : wxWindowDC() |
c801d85f | 34 | { |
4bc67cc5 | 35 | m_ok = FALSE; |
72cdf4c9 | 36 | |
4bc67cc5 | 37 | m_cmap = gtk_widget_get_default_colormap(); |
ff7b1510 | 38 | } |
c801d85f | 39 | |
4bc67cc5 | 40 | wxMemoryDC::~wxMemoryDC() |
c801d85f | 41 | { |
ff7b1510 | 42 | } |
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43 | |
44 | void wxMemoryDC::SelectObject( const wxBitmap& bitmap ) | |
45 | { | |
3d2d8da1 | 46 | Destroy(); |
4bc67cc5 RR |
47 | m_selected = bitmap; |
48 | if (m_selected.Ok()) | |
6f65e337 | 49 | { |
4bc67cc5 RR |
50 | if (m_selected.GetPixmap()) |
51 | { | |
52 | m_window = m_selected.GetPixmap(); | |
53 | } | |
54 | else | |
55 | { | |
56 | m_window = m_selected.GetBitmap(); | |
57 | } | |
72cdf4c9 | 58 | |
4bc67cc5 | 59 | m_isMemDC = TRUE; |
809934d2 RR |
60 | |
61 | SetUpDC(); | |
6f65e337 JS |
62 | } |
63 | else | |
72cdf4c9 | 64 | { |
4bc67cc5 RR |
65 | m_ok = FALSE; |
66 | m_window = (GdkWindow *) NULL; | |
6f65e337 | 67 | } |
ff7b1510 | 68 | } |
c801d85f | 69 | |
41fbc841 RR |
70 | void wxMemoryDC::SetPen( const wxPen &pen ) |
71 | { | |
72 | if (m_selected.Ok() && m_selected.GetBitmap() && (*wxTRANSPARENT_PEN != pen)) | |
73 | { | |
74 | if (*wxWHITE_PEN == pen) | |
75 | wxWindowDC::SetPen( *wxBLACK_PEN ); | |
76 | else | |
77 | wxWindowDC::SetPen( *wxWHITE_PEN ); | |
78 | } | |
79 | else | |
80 | { | |
81 | wxWindowDC::SetPen( pen ); | |
82 | } | |
83 | } | |
84 | ||
85 | void wxMemoryDC::SetBrush( const wxBrush &brush ) | |
86 | { | |
87 | if (m_selected.Ok() && m_selected.GetBitmap() && (*wxTRANSPARENT_BRUSH != brush)) | |
88 | { | |
89 | if (*wxWHITE_BRUSH == brush) | |
90 | wxWindowDC::SetBrush( *wxBLACK_BRUSH ); | |
91 | else | |
92 | wxWindowDC::SetBrush( *wxWHITE_BRUSH ); | |
93 | } | |
94 | else | |
95 | { | |
96 | wxWindowDC::SetBrush( brush ); | |
97 | } | |
98 | } | |
99 | ||
100 | void wxMemoryDC::SetTextForeground( const wxColour &col ) | |
101 | { | |
102 | if (m_selected.Ok() && m_selected.GetBitmap()) | |
103 | { | |
104 | if (col == *wxWHITE) | |
105 | wxWindowDC::SetTextForeground( *wxBLACK ); | |
106 | else | |
107 | wxWindowDC::SetTextForeground( *wxWHITE ); | |
108 | } | |
109 | else | |
110 | { | |
111 | wxWindowDC::SetTextForeground( col ); | |
112 | } | |
113 | } | |
114 | ||
115 | void wxMemoryDC::SetTextBackground( const wxColour &col ) | |
116 | { | |
117 | if (m_selected.Ok() && m_selected.GetBitmap()) | |
118 | { | |
119 | if (col == *wxWHITE) | |
120 | wxWindowDC::SetTextBackground( *wxBLACK ); | |
121 | else | |
122 | wxWindowDC::SetTextBackground( *wxWHITE ); | |
123 | } | |
124 | else | |
125 | { | |
126 | wxWindowDC::SetTextBackground( col ); | |
127 | } | |
128 | } | |
129 | ||
4e4ea166 | 130 | void wxMemoryDC::DoGetSize( int *width, int *height ) const |
c801d85f | 131 | { |
4bc67cc5 RR |
132 | if (m_selected.Ok()) |
133 | { | |
134 | if (width) (*width) = m_selected.GetWidth(); | |
135 | if (height) (*height) = m_selected.GetHeight(); | |
136 | } | |
137 | else | |
138 | { | |
139 | if (width) (*width) = 0; | |
140 | if (height) (*height) = 0; | |
141 | } | |
ff7b1510 | 142 | } |
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143 | |
144 |