wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
: wxGCDCImpl( owner )
{
m_window = window;
m_ok = true ;
m_window->GetSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
m_release = false;
if ( cg == NULL )
{
SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
}
else
{
CGContextSaveGState( cg );
m_release = true ;
// make sure the context is having its origin at the wx-window coordinates of the
// view (read at the top of window.cpp about the differences)
if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
}
DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
SetBackground(wxBrush(window->GetBackgroundColour(),wxSOLID));
SetFont( window->GetFont() ) ;
}
wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *window ) :
wxWindowDCImpl( owner, window )
{
wxASSERT_MSG( window->MacGetCGContextRef() != NULL, wxT("using wxPaintDC without being in a native paint event") );
wxPoint origin = window->GetClientAreaOrigin() ;
m_window->GetClientSize( &m_width , &m_height);
SetDeviceOrigin( origin.x, origin.y );
DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *window ) :
wxWindowDCImpl( owner, window )
{
wxCHECK_RET( window, wxT("invalid window in wxClientDCImpl") );
wxPoint origin = window->GetClientAreaOrigin() ;
m_window->GetClientSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
SetDeviceOrigin( origin.x, origin.y );
DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
void wxDFBDCImpl::DoSetDeviceClippingRegion(const wxRegion& region)
{
// NB: this can be done because wxDFB only supports rectangular regions
wxRect rect = region.AsRect();
// our parameter is in physical coordinates while DoSetClippingRegion()
// takes logical ones
rect.x = XDEV2LOG(rect.x);
rect.y = YDEV2LOG(rect.y);
rect.width = XDEV2LOG(rect.width);
rect.height = YDEV2LOG(rect.height);
DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height);
}
wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
: wxGCDCImpl( owner )
{
m_window = window;
m_ok = true ;
m_window->GetSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
m_release = false;
if ( cg == NULL )
{
SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
m_contentScaleFactor = window->GetContentScaleFactor();
SetDeviceOrigin(-window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize());
}
else
{
// determine content scale
CGRect userrect = CGRectMake(0, 0, 10, 10);
CGRect devicerect;
devicerect = CGContextConvertRectToDeviceSpace(cg, userrect);
m_contentScaleFactor = devicerect.size.height / userrect.size.height;
CGContextSaveGState( cg );
m_release = true ;
// make sure the context is having its origin at the wx-window coordinates of the
// view (read at the top of window.cpp about the differences)
if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
wxGraphicsContext* context = wxGraphicsContext::CreateFromNative( cg );
context->EnableOffset(true);
SetGraphicsContext( context );
}
DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
SetBackground(wxBrush(window->GetBackgroundColour(),wxBRUSHSTYLE_SOLID));
SetFont( window->GetFont() ) ;
}
void wxClientDCImpl::InitDC()
{
wxWindowDCImpl::InitDC();
// in wxUniv build we must manually do some DC adjustments usually
// performed by Windows for us
//
// we also need to take the menu/toolbar manually into account under
// Windows CE because they're just another control there, not anything
// special as usually under Windows
#if defined(__WXUNIVERSAL__) || defined(__WXWINCE__)
wxPoint ptOrigin = m_window->GetClientAreaOrigin();
if ( ptOrigin.x || ptOrigin.y )
{
// no need to shift DC origin if shift is null
SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
}
// clip the DC to avoid overwriting the non client area
wxSize size = m_window->GetClientSize();
DoSetClippingRegion(0, 0, size.x, size.y);
#endif // __WXUNIVERSAL__ || __WXWINCE__
}
