#include "wx/osx/private.h"
#include "wx/graphics.h"
+#if wxOSX_USE_COCOA_OR_CARBON
+#include "wx/osx/private/glgrab.h"
+#endif
IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
wxWindowDCImpl( owner )
{
-#if wxOSX_USE_COCOA_OR_IPHONE
- m_graphicContext = NULL;
- m_ok = false ;
-#else
+#if wxOSX_USE_COCOA_OR_CARBON
CGRect cgbounds ;
cgbounds = CGDisplayBounds(CGMainDisplayID());
+ m_width = (wxCoord)cgbounds.size.width;
+ m_height = (wxCoord)cgbounds.size.height;
+#else
+ wxDisplaySize( &m_width, &m_height );
+#endif
+#if wxOSX_USE_COCOA_OR_IPHONE
+ SetGraphicsContext( wxGraphicsContext::Create() );
+#else
Rect bounds;
bounds.top = (short)cgbounds.origin.y;
bounds.left = (short)cgbounds.origin.x;
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;
- m_ok = true ;
#endif
+ m_ok = true ;
}
wxScreenDCImpl::~wxScreenDCImpl()
{
- delete m_graphicContext;
- m_graphicContext = NULL;
+ wxDELETE(m_graphicContext);
#if wxOSX_USE_COCOA_OR_IPHONE
#else
DisposeWindow((WindowRef) m_overlayWindow );
#endif
}
+
+#if wxOSX_USE_IPHONE
+// Apple has allowed usage of this API as of 15th Dec 2009w
+extern CGImageRef UIGetScreenImage();
+#endif
+
+// TODO Switch to CGWindowListCreateImage for 10.5 and above
+
+wxBitmap wxScreenDCImpl::DoGetAsBitmap(const wxRect *subrect) const
+{
+ wxRect rect = subrect ? *subrect : wxRect(0, 0, m_width, m_height);
+
+ wxBitmap bmp(rect.GetSize(), 32);
+
+#if !wxOSX_USE_IPHONE
+ CGRect srcRect = CGRectMake(rect.x, rect.y, rect.width, rect.height);
+
+ CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
+
+ CGContextSaveGState(context);
+
+ CGContextTranslateCTM( context, 0, m_height );
+ CGContextScaleCTM( context, 1, -1 );
+
+ if ( subrect )
+ srcRect = CGRectOffset( srcRect, -subrect->x, -subrect->y ) ;
+
+ CGImageRef image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);
+
+ wxASSERT_MSG(image, wxT("wxScreenDC::GetAsBitmap - unable to get screenshot."));
+
+ CGContextDrawImage(context, srcRect, image);
+
+ CGImageRelease(image);
+
+ CGContextRestoreGState(context);
+#else
+ // TODO implement using UIGetScreenImage, CGImageCreateWithImageInRect, CGContextDrawImage
+#endif
+ return bmp;
+}