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 // 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 #include "wx/dc.h"
  16 #include "wx/x11/dc.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/dcmemory.h"
  20 #endif
  21
  22 IMPLEMENT_ABSTRACT_CLASS(wxX11DCImpl, wxDCImpl)
  23
  24 //-----------------------------------------------------------------------------
  25 // wxDC
  26 //-----------------------------------------------------------------------------
  27
  28 wxX11DCImpl::wxX11DCImpl( wxDC *owner ) :
  29    wxDCImpl( owner )
  30 {
  31     m_ok = false;
  32
  33     m_pen = *wxBLACK_PEN;
  34     m_font = *wxNORMAL_FONT;
  35     m_brush = *wxWHITE_BRUSH;
  36
  37     m_backgroundMode = wxTRANSPARENT;
  38 }
  39
  40 void wxX11DCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
  41 {
  42     m_clipping = true;
  43     m_clipX1 = x;
  44     m_clipY1 = y;
  45     m_clipX2 = x + width;
  46     m_clipY2 = y + height;
  47 }
  48
  49 void wxX11DCImpl::DoGetSizeMM( int* width, int* height ) const
  50 {
  51     int w, h;
  52     DoGetSize( &w, &h );
  53
  54     if ( width )
  55         *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) );
  56     if ( height )
  57         *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) );
  58 }
  59
  60 // Resolution in pixels per logical inch
  61 wxSize wxX11DCImpl::GetPPI() const
  62 {
  63     // TODO (should probably be pure virtual)
  64     return wxSize(0, 0);
  65 }