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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/dc.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/gtk/dc.h" | |
14 | ||
15 | //----------------------------------------------------------------------------- | |
16 | // wxGTKDCImpl | |
17 | //----------------------------------------------------------------------------- | |
18 | ||
19 | IMPLEMENT_ABSTRACT_CLASS(wxGTKDCImpl, wxDCImpl) | |
20 | ||
21 | wxGTKDCImpl::wxGTKDCImpl( wxDC *owner ) | |
22 | : wxDCImpl( owner ) | |
23 | { | |
24 | m_ok = FALSE; | |
25 | ||
26 | m_pen = *wxBLACK_PEN; | |
27 | m_font = *wxNORMAL_FONT; | |
28 | m_brush = *wxWHITE_BRUSH; | |
29 | } | |
30 | ||
31 | wxGTKDCImpl::~wxGTKDCImpl() | |
32 | { | |
33 | } | |
34 | ||
35 | void wxGTKDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) | |
36 | { | |
37 | m_clipping = TRUE; | |
38 | m_clipX1 = x; | |
39 | m_clipY1 = y; | |
40 | m_clipX2 = x + width; | |
41 | m_clipY2 = y + height; | |
42 | } | |
43 | ||
44 | // --------------------------------------------------------------------------- | |
45 | // get DC capabilities | |
46 | // --------------------------------------------------------------------------- | |
47 | ||
48 | void wxGTKDCImpl::DoGetSizeMM( int* width, int* height ) const | |
49 | { | |
50 | int w = 0; | |
51 | int h = 0; | |
52 | GetOwner()->GetSize( &w, &h ); | |
53 | if (width) *width = int( double(w) / (m_userScaleX*m_mm_to_pix_x) ); | |
54 | if (height) *height = int( double(h) / (m_userScaleY*m_mm_to_pix_y) ); | |
55 | } | |
56 | ||
57 | // Resolution in pixels per logical inch | |
58 | wxSize wxGTKDCImpl::GetPPI() const | |
59 | { | |
60 | // TODO (should probably be pure virtual) | |
61 | return wxSize(0, 0); | |
62 | } |