Use empty check consistent with other parts.

[wxWidgets.git] / src / mac / carbon / dccg.cpp

diff --git a/src/mac/carbon/dccg.cpp b/src/mac/carbon/dccg.cpp
index 22cecc954b023a537a705435d2c76c2665b98fee..f73b9be63b02e0b2766b3a4245b533916e47ab4f 100755 (executable)
--- a/src/mac/carbon/dccg.cpp
+++ b/src/mac/carbon/dccg.cpp
@@ -467,68 +467,6 @@ void wxMacCGContext::SetBrush( const wxBrush &brush )
     }
 }
 
-// snippets from Sketch Sample from Apple :
-
-#define        kGenericRGBProfilePathStr       "/System/Library/ColorSync/Profiles/Generic RGB Profile.icc"
-/*
-    This function locates, opens, and returns the profile reference for the calibrated 
-    Generic RGB color space. It is up to the caller to call CMCloseProfile when done
-    with the profile reference this function returns.
-*/
-CMProfileRef wxMacOpenGenericProfile(void)
-{
-    static CMProfileRef cachedRGBProfileRef = NULL;
-    
-    // we only create the profile reference once
-    if (cachedRGBProfileRef == NULL)
-    {
-               CMProfileLocation       loc;
-       
-               loc.locType = cmPathBasedProfile;
-               strcpy(loc.u.pathLoc.path, kGenericRGBProfilePathStr);
-       
-               verify_noerr( CMOpenProfile(&cachedRGBProfileRef, &loc) );
-    }
-
-    if (cachedRGBProfileRef)
-    {
-               // clone the profile reference so that the caller has their own reference, not our cached one
-               CMCloneProfileRef(cachedRGBProfileRef);   
-    }
-
-    return cachedRGBProfileRef;
-}
-
-/*
-    Return the generic RGB color space. This is a 'get' function and the caller should
-    not release the returned value unless the caller retains it first. Usually callers
-    of this routine will immediately use the returned colorspace with CoreGraphics
-    so they typically do not need to retain it themselves.
-    
-    This function creates the generic RGB color space once and hangs onto it so it can
-    return it whenever this function is called.
-*/
-
-CGColorSpaceRef wxMacGetGenericRGBColorSpace()
-{
-    static CGColorSpaceRef genericRGBColorSpace = NULL;
-
-       if (genericRGBColorSpace == NULL)
-       {
-               CMProfileRef genericRGBProfile = wxMacOpenGenericProfile();
-       
-               if (genericRGBProfile)
-               {
-                       genericRGBColorSpace = CGColorSpaceCreateWithPlatformColorSpace(genericRGBProfile);
-                       wxASSERT_MSG( genericRGBColorSpace != NULL, wxT("couldn't create the generic RGB color space") ) ;
-                       
-                       // we opened the profile so it is up to us to close it
-                       CMCloseProfile(genericRGBProfile); 
-               }
-       }
-    return genericRGBColorSpace;
-}
-
 void AddEllipticArcToPath(CGContextRef c, CGPoint center, float a, float b, float fromDegree , float toDegree )
 {
     CGContextSaveGState(c);
@@ -617,7 +555,7 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
     wxCoord ww = XLOG2DEVREL(w);
     wxCoord hh = YLOG2DEVREL(h);
 
-    CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+    CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
     CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ;
     HIRect r = CGRectMake( xx , yy , ww , hh ) ;
     HIViewDrawCGImage( cg , &r , image ) ;
@@ -636,7 +574,7 @@ void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
     wxCoord ww = XLOG2DEVREL(w);
     wxCoord hh = YLOG2DEVREL(h);
 
-    CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+    CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
     CGRect r = CGRectMake( 00 , 00 , ww , hh ) ;
     CGContextSaveGState(cg);    
     CGContextTranslateCTM(cg, xx , yy + hh );
@@ -655,7 +593,7 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
     ww = XLOG2DEVREL(width);
     hh = YLOG2DEVREL(height);
 
-    CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+    CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
     CGRect clipRect = CGRectMake( xx ,yy , ww, hh ) ;
     CGContextClipToRect( cgContext , clipRect ) ;
 
@@ -732,7 +670,7 @@ void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 void wxDC::DestroyClippingRegion()
 {
 //    CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
-    CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+    CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
     CGContextRestoreGState( cgContext );    
     CGContextSaveGState( cgContext );    
     SetPen( m_pen ) ;
@@ -1321,7 +1259,7 @@ bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
         }
         if ( blit.Ok() )
         {
-            CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+            CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
             CGImageRef image = (CGImageRef)( blit.CGImageCreate() ) ;
             HIRect r = CGRectMake( xxdest , yydest , wwdest , hhdest ) ;
             HIViewDrawCGImage( cg , &r , image ) ;
@@ -1332,7 +1270,7 @@ bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
     else
     {
     /*
-        CGContextRef cg = dynamic_cast<wxMacCGContext*>(source->GetGraphicContext())->GetNativeContext() ;
+        CGContextRef cg = (wxMacCGContext*)(source->GetGraphicContext())->GetNativeContext() ;
         void *data = CGBitmapContextGetData( cg ) ;
     */
         return FALSE ; // wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ;
@@ -1410,7 +1348,7 @@ void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
             atsuTags, atsuSizes, atsuValues ) ;
     }
     {
-        CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+        CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
         ATSUAttributeTag atsuTags[] =
         {
             kATSUCGContextTag ,
@@ -1465,13 +1403,13 @@ void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
 
-    CGContextSaveGState(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext());    
-    CGContextTranslateCTM(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext(), drawX, drawY);
-    CGContextScaleCTM(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext(), 1, -1);
+    CGContextSaveGState(((wxMacCGContext*)(m_graphicContext))->GetNativeContext());    
+    CGContextTranslateCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), drawX, drawY);
+    CGContextScaleCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), 1, -1);
     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
         IntToFixed(0) , IntToFixed(0) );
     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
-    CGContextRestoreGState( dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ) ;
+    CGContextRestoreGState( ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ) ;
 
     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
@@ -1656,7 +1594,7 @@ void  wxDC::Clear(void)
     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
     {      
         HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ;
-        CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
+        CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
         switch( m_backgroundBrush.MacGetBrushKind() )
         {
             case kwxMacBrushTheme :