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Fix wxEncodingConverter::Convert(wchar_t) documentation.
[wxWidgets.git] / src / motif / dc.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/motif/dc.cpp
3 // Purpose: wxMotifDCImpl 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 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifndef WX_PRECOMP
16 #include "wx/dcmemory.h"
17 #include "wx/icon.h"
18 #endif
19
20 #include "wx/motif/dc.h"
21
22 IMPLEMENT_ABSTRACT_CLASS(wxMotifDCImpl, wxDCImpl)
23
24 //-----------------------------------------------------------------------------
25 // wxMotifDCImpl
26 //-----------------------------------------------------------------------------
27
28 wxMotifDCImpl::wxMotifDCImpl(wxDC *owner)
29 : wxDCImpl(owner)
30 {
31 m_ok = false;
32
33 m_backgroundMode = wxTRANSPARENT;
34 }
35
36 void wxMotifDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
37 {
38 wxCHECK_RET( IsOk(), "invalid dc" );
39 wxCHECK_RET( icon.IsOk(), "invalid icon" );
40
41 DoDrawBitmap(icon, x, y, true);
42 }
43
44 void wxMotifDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
45 {
46 wxCHECK_RET( bitmap.IsOk(), "invalid bitmap" );
47
48 wxMemoryDC memDC;
49 memDC.SelectObjectAsSource(bitmap);
50
51 #if 0
52 // Not sure if we need this. The mask should leave the masked areas as per
53 // the original background of this DC.
54 if (useMask)
55 {
56 // There might be transparent areas, so make these the same colour as this
57 // DC
58 memDC.SetBackground(* GetBackground());
59 memDC.Clear();
60 }
61 #endif // 0
62
63 DoBlit(x, y, bitmap.GetWidth(), bitmap.GetHeight(), &memDC, 0, 0, wxCOPY, useMask);
64
65 memDC.SelectObject(wxNullBitmap);
66 }
67
68 void wxMotifDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
69 {
70 m_clipping = true;
71 m_clipX1 = x;
72 m_clipY1 = y;
73 m_clipX2 = x + width;
74 m_clipY2 = y + height;
75 }
76
77 void wxMotifDCImpl::DoGetSize( int* width, int* height ) const
78 {
79 if ( width )
80 *width = m_maxX - m_minX;
81 if ( height )
82 *height = m_maxY - m_minY;
83 }
84
85 void wxMotifDCImpl::DoGetSizeMM( int* width, int* height ) const
86 {
87 int w, h;
88 GetSize( &w, &h );
89
90 if ( width )
91 *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) );
92 if ( height )
93 *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) );
94 }
95
96 // Resolution in pixels per logical inch
97 wxSize wxMotifDCImpl::GetPPI() const
98 {
99 // TODO (should probably be pure virtual)
100 return wxSize(0, 0);
101 }