use correct scale when drawing

[wxWidgets.git] / src / osx / carbon / dcscreen.cpp

diff --git a/src/osx/carbon/dcscreen.cpp b/src/osx/carbon/dcscreen.cpp
index 0777c55d525f5fef20ad7f574f1517077237e32f..c413eb1fe0cac12786e516f453272186ae347459 100644 (file)
--- a/src/osx/carbon/dcscreen.cpp
+++ b/src/osx/carbon/dcscreen.cpp
@@ -30,10 +30,14 @@ IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
 wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
    wxWindowDCImpl( owner )
 {
+#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
@@ -52,14 +56,18 @@ wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
 
 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
@@ -72,22 +80,37 @@ wxBitmap wxScreenDCImpl::DoGetAsBitmap(const wxRect *subrect) const
     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 = NULL;
     
-    CGImageRef image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);
-    
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+    if ( UMAGetSystemVersion() >= 10.6)
+    {
+        image = CGDisplayCreateImage(kCGDirectMainDisplay);
+    }
+    else
+#endif
+    {
+        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;
 }