fixed unused var warning

[wxWidgets.git] / src / common / rgncmn.cpp

diff --git a/src/common/rgncmn.cpp b/src/common/rgncmn.cpp
index 801aaa9e3f9286da27f65cfabaea6ae9776a25cc..8b6530c78d1c2a2d305ba68b8cd5fe24e8eb4873 100644 (file)
--- a/src/common/rgncmn.cpp
+++ b/src/common/rgncmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        rgncmn.cpp
+// Name:        src/common/rgncmn.cpp

 // Purpose:     Methods of wxRegion that have a generic implementation
 // Author:      Robin Dunn
 // Modified by:
 // Purpose:     Methods of wxRegion that have a generic implementation
 // Author:      Robin Dunn
 // Modified by:


@@ -9,31 +9,55 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "rgncmn.h"
-#endif
-
+// ============================================================================
+// declarations
+// ============================================================================

 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #include "wx/region.h"
 #endif
 
 #include "wx/region.h"

-#include "wx/bitmap.h"
-#if wxUSE_IMAGE
-#include "wx/image.h"
-#endif
-#include "wx/dcmemory.h"

 
 

+#ifndef WX_PRECOMP
+    #include "wx/dcmemory.h"
+    #include "wx/bitmap.h"
+    #include "wx/image.h"
+#endif //WX_PRECOMP
+
+// ============================================================================
+// wxRegionBase implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// region comparision
+// ----------------------------------------------------------------------------

 
 

-//---------------------------------------------------------------------------
+bool wxRegionBase::IsEqual(const wxRegion& region) const
+{
+    if ( m_refData == region.GetRefData() )
+    {
+        // regions are identical, hence equal
+        return true;
+    }
+
+    if ( !m_refData || !region.GetRefData() )
+    {
+        // one, but not both, of the regions is invalid
+        return false;
+    }

 
 

+    return DoIsEqual(region);
+}

 
 

+// ----------------------------------------------------------------------------
+// region to/from bitmap conversions
+// ----------------------------------------------------------------------------

 
 

-wxBitmap wxRegion::ConvertToBitmap() const
+wxBitmap wxRegionBase::ConvertToBitmap() const

 {
     wxRect box = GetBox();
     wxBitmap bmp(box.GetRight(), box.GetBottom());
 {
     wxRect box = GetBox();
     wxBitmap bmp(box.GetRight(), box.GetBottom());


@@ -41,17 +65,16 @@ wxBitmap wxRegion::ConvertToBitmap() const
     dc.SelectObject(bmp);
     dc.SetBackground(*wxBLACK_BRUSH);
     dc.Clear();
     dc.SelectObject(bmp);
     dc.SetBackground(*wxBLACK_BRUSH);
     dc.Clear();

-    dc.SetClippingRegion(*this);
+    dc.SetClippingRegion(*wx_static_cast(const wxRegion *, this));

     dc.SetBackground(*wxWHITE_BRUSH);
     dc.Clear();
     dc.SelectObject(wxNullBitmap);
     return bmp;
 }
 
     dc.SetBackground(*wxWHITE_BRUSH);
     dc.Clear();
     dc.SelectObject(wxNullBitmap);
     return bmp;
 }
 

-//---------------------------------------------------------------------------
-

 #if wxUSE_IMAGE
 #if wxUSE_IMAGE

-static bool DoRegionUnion(wxRegion& region,
+
+static bool DoRegionUnion(wxRegionBase& region,

                           const wxImage& image,
                           unsigned char loR,
                           unsigned char loG,
                           const wxImage& image,
                           unsigned char loR,
                           unsigned char loG,


@@ -103,7 +126,7 @@ static bool DoRegionUnion(wxRegion& region,
 }
 
 
 }
 
 

-bool wxRegion::Union(const wxBitmap& bmp)
+bool wxRegionBase::Union(const wxBitmap& bmp)

 {
     if (bmp.GetMask())
     {
 {
     if (bmp.GetMask())
     {


@@ -121,9 +144,9 @@ bool wxRegion::Union(const wxBitmap& bmp)
     }
 }
 
     }
 }
 

-bool wxRegion::Union(const wxBitmap& bmp,
-                     const wxColour& transColour,
-                     int   tolerance)
+bool wxRegionBase::Union(const wxBitmap& bmp,
+                         const wxColour& transColour,
+                         int   tolerance)

 {
     wxImage image = bmp.ConvertToImage();
     return DoRegionUnion(*this, image,
 {
     wxImage image = bmp.ConvertToImage();
     return DoRegionUnion(*this, image,


@@ -133,22 +156,4 @@ bool wxRegion::Union(const wxBitmap& bmp,
                          tolerance);
 }
 
                          tolerance);
 }
 

-#else
-
-bool wxRegion::Union(const wxBitmap& WXUNUSED(bmp))
-{
-    // No wxImage support
-    return false;
-}
-
-bool wxRegion::Union(const wxBitmap& WXUNUSED(bmp),
-                     const wxColour& WXUNUSED(transColour),
-                     int   WXUNUSED(tolerance))
-{
-    // No wxImage support
-    return false;
-}
-
-#endif
-
-//---------------------------------------------------------------------------
+#endif // wxUSE_IMAGE