fixed signed/unsigned comparison warning

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

diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp
index 7bc04419a16b364eadc0f64e3ff1e9fe73d5f6bf..b2bcb0788a9431e197ce8454feae9de93cc4c35e 100755 (executable)
--- a/src/mac/carbon/graphics.cpp
+++ b/src/mac/carbon/graphics.cpp
@@ -17,6 +17,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"
+    #include "wx/dcmemory.h"
     #include "wx/log.h"
     #include "wx/region.h"
 #endif
@@ -754,6 +755,10 @@ public :
     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
         wxDouble tx=0.0, wxDouble ty=0.0);
 
+    // gets the component valuess of the matrix
+    virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
+                     wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
+       
     // makes this the inverse matrix
     virtual void Invert();
 
@@ -825,6 +830,18 @@ void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDoub
     m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
 }
 
+// gets the component valuess of the matrix
+void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
+                                      wxDouble* d, wxDouble* tx, wxDouble* ty) const
+{
+    if (a)  *a = m_matrix.a;
+    if (b)  *b = m_matrix.b;
+    if (c)  *c = m_matrix.c;
+    if (d)  *d = m_matrix.d;
+    if (tx) *tx= m_matrix.tx;
+    if (ty) *ty= m_matrix.ty;
+}
+
 // makes this the inverse matrix
 void wxMacCoreGraphicsMatrixData::Invert()
 {
@@ -1181,7 +1198,7 @@ public:
     virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
 
     virtual bool ShouldOffset() const
-    {
+    {     
         int penwidth = 0 ;
         if ( !m_pen.IsNull() )
         {
@@ -1339,6 +1356,7 @@ bool wxMacCoreGraphicsContext::SetLogicalFunction( int function )
         if ( CGContextSetBlendMode != NULL )
         {
             CGContextSetBlendMode( m_cgContext, kCGBlendModeNormal );
+            CGContextSetShouldAntialias( m_cgContext, true );
         }
 #endif
     }
@@ -1349,6 +1367,7 @@ bool wxMacCoreGraphicsContext::SetLogicalFunction( int function )
         {
             // change color to white
             CGContextSetBlendMode( m_cgContext, kCGBlendModeExclusion );
+            CGContextSetShouldAntialias( m_cgContext, false );
             retval = true;
         }
 #endif
@@ -1818,6 +1837,9 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
         *width = FixedToInt(textAfter - textBefore);
 
     ::ATSUDisposeTextLayout(atsuLayout);
+#if SIZEOF_WCHAR_T == 4
+    free( ubuf ) ;
+#endif
 }
 
 void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
@@ -1876,6 +1898,9 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
     }
 
     ::ATSUDisposeTextLayout(atsuLayout);
+#if SIZEOF_WCHAR_T == 4
+    free( ubuf ) ;
+#endif
 }
 
 void * wxMacCoreGraphicsContext::GetNativeContext()
@@ -1989,7 +2014,16 @@ wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
 {
-   return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    wxMemoryDC* mdc = wxDynamicCast(&dc, wxMemoryDC);
+    if ( mdc )
+    {
+        return new wxMacCoreGraphicsContext(this, 
+            (CGContextRef)mdc->GetGraphicsContext()->GetNativeContext());
+    }
+    else
+    {
+        return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    }
 }
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )