src/x11/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/dc.cpp
   3 // Purpose:     wxDC 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/dc.h"
  15 #include "wx/x11/dc.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/dcmemory.h"
  19 #endif
  20
  21 IMPLEMENT_ABSTRACT_CLASS(wxX11DCImpl, wxDCImpl)
  22
  23 //-----------------------------------------------------------------------------
  24 // wxDC
  25 //-----------------------------------------------------------------------------
  26
  27 wxX11DCImpl::wxX11DCImpl( wxDC *owner ) :
  28    wxDCImpl( owner )
  29 {
  30     m_ok = false;
  31
  32     m_pen = *wxBLACK_PEN;
  33     m_font = *wxNORMAL_FONT;
  34     m_brush = *wxWHITE_BRUSH;
  35
  36     m_backgroundMode = wxTRANSPARENT;
  37 }
  38
  39 void wxX11DCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
  40 {
  41     m_clipping = true;
  42     m_clipX1 = x;
  43     m_clipY1 = y;
  44     m_clipX2 = x + width;
  45     m_clipY2 = y + height;
  46 }
  47
  48 void wxX11DCImpl::DoGetSizeMM( int* width, int* height ) const
  49 {
  50     int w, h;
  51     DoGetSize( &w, &h );
  52
  53     if ( width )
  54         *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) );
  55     if ( height )
  56         *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) );
  57 }
  58
  59 // Resolution in pixels per logical inch
  60 wxSize wxX11DCImpl::GetPPI() const
  61 {
  62     // TODO (should probably be pure virtual)
  63     return wxSize(0, 0);
  64 }