void wxGCDCImpl::Init(wxGraphicsContext* ctx)
{
m_ok = false;
m_colour = true;
m_mm_to_pix_x = mm2pt;
m_mm_to_pix_y = mm2pt;
m_pen = *wxBLACK_PEN;
m_font = *wxNORMAL_FONT;
m_brush = *wxWHITE_BRUSH;
m_graphicContext = NULL;
if (ctx)
SetGraphicsContext(ctx);
m_logicalFunctionSupported = true;
}
// Create a DC representing the whole screen
wxScreenDC::wxScreenDC()
{
#if wxMAC_USE_CORE_GRAPHICS
CGRect cgbounds ;
cgbounds = CGDisplayBounds(CGMainDisplayID());
Rect bounds;
bounds.top = (short)cgbounds.origin.y;
bounds.left = (short)cgbounds.origin.x;
bounds.bottom = bounds.top + (short)cgbounds.size.height;
bounds.right = bounds.left + (short)cgbounds.size.width;
WindowAttributes overlayAttributes = kWindowIgnoreClicksAttribute;
CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, (WindowRef*) &m_overlayWindow );
ShowWindow((WindowRef)m_overlayWindow);
SetGraphicsContext( wxGraphicsContext::CreateFromNativeWindow( m_overlayWindow ) );
m_width = (wxCoord)cgbounds.size.width;
m_height = (wxCoord)cgbounds.size.height;
#else
m_macPort = CreateNewPort() ;
GrafPtr port ;
GetPort( &port ) ;
SetPort( (GrafPtr) m_macPort ) ;
Point pt = { 0,0 } ;
LocalToGlobal( &pt ) ;
SetPort( port ) ;
m_macLocalOrigin.x = -pt.h ;
m_macLocalOrigin.y = -pt.v ;
BitMap screenBits;
GetQDGlobalsScreenBits( &screenBits );
m_minX = screenBits.bounds.left ;
SInt16 height ;
GetThemeMenuBarHeight( &height ) ;
m_minY = screenBits.bounds.top + height ;
m_maxX = screenBits.bounds.right ;
m_maxY = screenBits.bounds.bottom ;
MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
#endif
m_ok = true ;
}
wxMetafileDCImpl::wxMetafileDCImpl(
wxDC *owner,
const wxString& filename,
int width, int height,
const wxString& WXUNUSED(description) ) :
wxGCDCImpl( owner )
{
wxASSERT_MSG( width != 0 || height != 0, wxT("no arbitration of metafile size supported") );
wxASSERT_MSG( filename.empty(), wxT("no file based metafile support yet"));
m_metaFile = new wxMetaFile( filename );
wxMetafileRefData* metafiledata = new wxMetafileRefData(width, height);
m_metaFile->UnRef();
m_metaFile->SetRefData( metafiledata );
SetGraphicsContext( wxGraphicsContext::CreateFromNative(metafiledata->GetContext()));
m_ok = (m_graphicContext != NULL) ;
SetMapMode( wxMM_TEXT );
}
wxWindowDCImpl::wxWindowDCImpl(wxWindowDC* owner, wxWindow* window)
: base_type(owner, window)
{
GtkWidget* widget = window->m_wxwindow;
if (widget == NULL)
widget = window->m_widget;
GdkWindow* gdkWindow = NULL;
if (widget)
{
gdkWindow = gtk_widget_get_window(widget);
m_ok = true;
}
if (gdkWindow)
{
cairo_t* cr = gdk_cairo_create(gdkWindow);
SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr));
GtkAllocation a;
gtk_widget_get_allocation(widget, &a);
int x, y;
if (gtk_widget_get_has_window(widget))
{
m_width = gdk_window_get_width(gdkWindow);
m_height = gdk_window_get_height(gdkWindow);
x = m_width - a.width;
y = m_height - a.height;
}
else
{
m_width = a.width;
m_height = a.height;
x = a.x;
y = a.y;
cairo_rectangle(cr, a.x, a.y, a.width, a.height);
cairo_clip(cr);
}
if (x || y)
SetDeviceLocalOrigin(x, y);
}
}
wxGCDC::wxGCDC(wxGraphicsContext* context) :
wxDC( new wxGCDCImpl( this ) )
{
SetGraphicsContext(context);
}
wxGCDCImpl::wxGCDCImpl(wxDC *owner, const wxEnhMetaFileDC& dc)
: wxDCImpl(owner)
{
Init();
SetGraphicsContext(wxGraphicsContext::Create(dc));
}
wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc ) :
wxDCImpl( owner )
{
Init();
SetGraphicsContext( wxGraphicsContext::Create(dc) );
}
wxGCDC::wxGCDC(const wxMemoryDC& dc)
{
Init();
SetGraphicsContext( wxGraphicsContext::Create(dc) );
}
wxGTKCairoDC::wxGTKCairoDC(cairo_t* cr)
: base_type(new wxGTKCairoDCImpl(this))
{
cairo_reference(cr);
SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr));
}
