avoid setting initial position if it was not specified, broken in r70734

[wxWidgets.git] / src / osx / core / bitmap.cpp

diff --git a/src/osx/core/bitmap.cpp b/src/osx/core/bitmap.cpp
index 5bc3d9fb253672f6ad78844059b5b222b50b565d..8ee6127b11a1fb931b4302bd39ecfd34421df8a1 100644 (file)
--- a/src/osx/core/bitmap.cpp
+++ b/src/osx/core/bitmap.cpp
@@ -4,7 +4,6 @@
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01

-// RCS-ID:      $Id$

 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -25,6 +24,8 @@
 
 #include "wx/rawbmp.h"
 
 
 #include "wx/rawbmp.h"
 

+#include "wx/filename.h"
+

 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
 IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
 IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
 


@@ -56,8 +57,10 @@ class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
     friend class WXDLLIMPEXP_FWD_CORE wxIcon;
     friend class WXDLLIMPEXP_FWD_CORE wxCursor;
 public:
     friend class WXDLLIMPEXP_FWD_CORE wxIcon;
     friend class WXDLLIMPEXP_FWD_CORE wxCursor;
 public:

+    wxBitmapRefData(int width , int height , int depth, double logicalscale);

     wxBitmapRefData(int width , int height , int depth);
     wxBitmapRefData(int width , int height , int depth);

-    wxBitmapRefData(CGImageRef image);
+    wxBitmapRefData(CGContextRef context);
+    wxBitmapRefData(CGImageRef image, double scale);

     wxBitmapRefData();
     wxBitmapRefData(const wxBitmapRefData &tocopy);
 
     wxBitmapRefData();
     wxBitmapRefData(const wxBitmapRefData &tocopy);
 


@@ -75,7 +78,7 @@ public:
     int GetWidth() const { return m_width; }
     int GetHeight() const { return m_height; }
     int GetDepth() const { return m_depth; }
     int GetWidth() const { return m_width; }
     int GetHeight() const { return m_height; }
     int GetDepth() const { return m_depth; }

-
+    double GetScaleFactor() const { return m_scaleFactor; }

     void *GetRawAccess() const;
     void *BeginRawAccess();
     void EndRawAccess();
     void *GetRawAccess() const;
     void *BeginRawAccess();
     void EndRawAccess();


@@ -98,13 +101,10 @@ public:
     // rescaled to 16 x 16
     bool          HasNativeSize();
 
     // rescaled to 16 x 16
     bool          HasNativeSize();
 

+#ifndef __WXOSX_IPHONE__

     // caller should increase ref count if needed longer
     // than the bitmap exists
     IconRef       GetIconRef();
     // caller should increase ref count if needed longer
     // than the bitmap exists
     IconRef       GetIconRef();

-
-#ifndef __WXOSX_IPHONE__
-    // returns a Pict from the bitmap content
-    PicHandle     GetPictHandle();

 #endif
 
     CGContextRef  GetBitmapContext() const;
 #endif
 
     CGContextRef  GetBitmapContext() const;


@@ -112,7 +112,9 @@ public:
     int           GetBytesPerRow() const { return m_bytesPerRow; }
     private :
     bool Create(int width , int height , int depth);
     int           GetBytesPerRow() const { return m_bytesPerRow; }
     private :
     bool Create(int width , int height , int depth);

-    bool Create( CGImageRef image );
+    bool Create(int width , int height , int depth, double logicalScale);
+    bool Create( CGImageRef image, double scale );
+    bool Create( CGContextRef bitmapcontext);

     void Init();
 
     int           m_width;
     void Init();
 
     int           m_width;


@@ -125,11 +127,12 @@ public:
     bool          m_ok;
     mutable CGImageRef    m_cgImageRef;
 
     bool          m_ok;
     mutable CGImageRef    m_cgImageRef;
 

-    IconRef       m_iconRef;

 #ifndef __WXOSX_IPHONE__
 #ifndef __WXOSX_IPHONE__

-    PicHandle     m_pictHandle;
+    IconRef       m_iconRef;

 #endif
 #endif

+

     CGContextRef  m_hBitmap;
     CGContextRef  m_hBitmap;

+    double        m_scaleFactor;

 };
 
 
 };
 
 


@@ -149,7 +152,7 @@ static int GetBestBytesPerRow( int rawBytes )
 void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )
 {
     memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
 void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )
 {
     memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;

-    if ( bitmap.Ok() )
+    if ( bitmap.IsOk() )

     {
         wxBitmapRefData * bmap = bitmap.GetBitmapData() ;
         if ( bmap == NULL )
     {
         wxBitmapRefData * bmap = bitmap.GetBitmapData() ;
         if ( bmap == NULL )


@@ -189,13 +192,6 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
             info->contentType = kControlContentCGImageRef ;
             info->u.imageRef = (CGImageRef) bmap->CreateCGImage() ;
         }
             info->contentType = kControlContentCGImageRef ;
             info->u.imageRef = (CGImageRef) bmap->CreateCGImage() ;
         }

-        else
-        {
-#ifndef __LP64__
-            info->contentType = kControlContentPictHandle ;
-            info->u.picture = bmap->GetPictHandle() ;
-#endif
-        }

     }
 }
 
     }
 }
 


@@ -247,18 +243,18 @@ void wxBitmapRefData::Init()
 
 #ifndef __WXOSX_IPHONE__
     m_iconRef = NULL ;
 
 #ifndef __WXOSX_IPHONE__
     m_iconRef = NULL ;

-    m_pictHandle = NULL ;

 #endif
     m_hBitmap = NULL ;
 
     m_rawAccessCount = 0 ;
     m_hasAlpha = false;
 #endif
     m_hBitmap = NULL ;
 
     m_rawAccessCount = 0 ;
     m_hasAlpha = false;

+    m_scaleFactor = 1.0;

 }
 
 }
 

-wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy)
+wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy) : wxGDIRefData()

 {
     Init();
 {
     Init();

-    Create(tocopy.m_width, tocopy.m_height, tocopy.m_depth);
+    Create(tocopy.m_width, tocopy.m_height, tocopy.m_depth, tocopy.m_scaleFactor);

 
     if (tocopy.m_bitmapMask)
         m_bitmapMask = new wxMask(*tocopy.m_bitmapMask);
 
     if (tocopy.m_bitmapMask)
         m_bitmapMask = new wxMask(*tocopy.m_bitmapMask);


@@ -282,48 +278,99 @@ wxBitmapRefData::wxBitmapRefData( int w , int h , int d )
     Create( w , h , d ) ;
 }
 
     Create( w , h , d ) ;
 }
 

-wxBitmapRefData::wxBitmapRefData(CGImageRef image)
+wxBitmapRefData::wxBitmapRefData(int w , int h , int d, double logicalscale)
+{
+    Init() ;
+    Create( w , h , d, logicalscale ) ;
+}
+
+wxBitmapRefData::wxBitmapRefData(CGContextRef context)

 {
     Init();
 {
     Init();

-    Create( image );
+    Create( context );
+}
+
+wxBitmapRefData::wxBitmapRefData(CGImageRef image, double scale)
+{
+    Init();
+    Create( image, scale );

 }    
 // code from Technical Q&A QA1509
 
 }    
 // code from Technical Q&A QA1509
 

-bool wxBitmapRefData::Create(CGImageRef image)
+bool wxBitmapRefData::Create(CGImageRef image, double scale)

 {
 {

-    m_width = CGImageGetWidth(image);
-    m_height = CGImageGetHeight(image);
-    m_depth = 32;
-    m_hBitmap = NULL;
+    if ( image != NULL )
+    {
+        m_width = CGImageGetWidth(image);
+        m_height = CGImageGetHeight(image);
+        m_depth = 32;
+        m_hBitmap = NULL;
+        m_scaleFactor = scale;
+        
+        m_bytesPerRow = GetBestBytesPerRow( m_width * 4 ) ;
+        size_t size = m_bytesPerRow * m_height ;
+        void* data = m_memBuf.GetWriteBuf( size ) ;
+        if ( data != NULL )
+        {
+            memset( data , 0 , size ) ;
+            m_memBuf.UngetWriteBuf( size ) ;
+            CGImageAlphaInfo alpha = CGImageGetAlphaInfo(image);
+            if ( alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast )
+            {
+                m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
+            }
+            else 
+            {
+                m_hasAlpha = true;
+                m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaPremultipliedFirst );
+            }
+            CGRect rect = CGRectMake(0,0,m_width,m_height);
+            CGContextDrawImage(m_hBitmap, rect, image);
+            
+            wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
+            CGContextTranslateCTM( m_hBitmap, 0,  m_height );
+            CGContextScaleCTM( m_hBitmap, 1*m_scaleFactor, -1*m_scaleFactor );
+        } /* data != NULL */
+    }
+    m_ok = ( m_hBitmap != NULL ) ;

     
     

-    m_bytesPerRow = GetBestBytesPerRow( m_width * 4 ) ;
-    size_t size = m_bytesPerRow * m_height ;
-    void* data = m_memBuf.GetWriteBuf( size ) ;
-    if ( data != NULL )
+    return m_ok ;
+    
+}
+
+bool wxBitmapRefData::Create(CGContextRef context)
+{
+    if ( context != NULL && CGBitmapContextGetData(context) )

     {
     {

-        memset( data , 0 , size ) ;
-        m_memBuf.UngetWriteBuf( size ) ;
-        CGImageAlphaInfo alpha = CGImageGetAlphaInfo(image);
-        if ( alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipLast || alpha == kCGImageAlphaNoneSkipLast )
+        m_hBitmap = context;
+        m_bytesPerRow = CGBitmapContextGetBytesPerRow(context);
+        m_width = CGBitmapContextGetWidth(context);
+        m_height = CGBitmapContextGetHeight(context);
+        m_depth = CGBitmapContextGetBitsPerPixel(context) ;
+
+        // our own contexts conform to this, always.
+        wxASSERT( m_depth == 32 );
+        
+        // determine content scale
+        CGRect userrect = CGRectMake(0, 0, 10, 10);
+        CGRect devicerect;
+        devicerect = CGContextConvertRectToDeviceSpace(context, userrect);
+        m_scaleFactor = devicerect.size.height / userrect.size.height;
+        
+        CGImageAlphaInfo alpha = CGBitmapContextGetAlphaInfo(context);
+        
+        if ( alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast )

         {
         {

-            m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
+            // no alpha

         }
         }

-        else 
+        else

         {
             m_hasAlpha = true;
         {
             m_hasAlpha = true;

-            m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaPremultipliedFirst );

         }
         }

-        CGRect rect = {{0,0},{m_width,m_height}}; 
-        CGContextDrawImage(m_hBitmap, rect, image);
-        
-        wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
-        CGContextTranslateCTM( m_hBitmap, 0,  m_height );
-        CGContextScaleCTM( m_hBitmap, 1, -1 );
-    } /* data != NULL */
+    }

     m_ok = ( m_hBitmap != NULL ) ;
     
     return m_ok ;
     m_ok = ( m_hBitmap != NULL ) ;
     
     return m_ok ;

-    

 }
 
 bool wxBitmapRefData::Create( int w , int h , int d )
 }
 
 bool wxBitmapRefData::Create( int w , int h , int d )


@@ -344,13 +391,19 @@ bool wxBitmapRefData::Create( int w , int h , int d )
         m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
         wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
         CGContextTranslateCTM( m_hBitmap, 0,  m_height );
         m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
         wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
         CGContextTranslateCTM( m_hBitmap, 0,  m_height );

-        CGContextScaleCTM( m_hBitmap, 1, -1 );
+        CGContextScaleCTM( m_hBitmap, 1*m_scaleFactor, -1*m_scaleFactor );

     } /* data != NULL */
     m_ok = ( m_hBitmap != NULL ) ;
 
     return m_ok ;
 }
 
     } /* data != NULL */
     m_ok = ( m_hBitmap != NULL ) ;
 
     return m_ok ;
 }
 

+bool wxBitmapRefData::Create( int w , int h , int d, double logicalScale )
+{
+    m_scaleFactor = logicalScale;
+    return Create(w*logicalScale,h*logicalScale,d);
+}
+

 void wxBitmapRefData::UseAlpha( bool use )
 {
     if ( m_hasAlpha == use )
 void wxBitmapRefData::UseAlpha( bool use )
 {
     if ( m_hasAlpha == use )


@@ -362,7 +415,7 @@ void wxBitmapRefData::UseAlpha( bool use )
     m_hBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), m_hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst );
     wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
     CGContextTranslateCTM( m_hBitmap, 0,  m_height );
     m_hBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), m_hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst );
     wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
     CGContextTranslateCTM( m_hBitmap, 0,  m_height );

-    CGContextScaleCTM( m_hBitmap, 1, -1 );
+    CGContextScaleCTM( m_hBitmap, 1*m_scaleFactor, -1*m_scaleFactor );

 }
 
 void *wxBitmapRefData::GetRawAccess() const
 }
 
 void *wxBitmapRefData::GetRawAccess() const


@@ -376,8 +429,8 @@ void *wxBitmapRefData::BeginRawAccess()
     wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 0 ) ;
 #ifndef __WXOSX_IPHONE__
     wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 0 ) ;
 #ifndef __WXOSX_IPHONE__

-    wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL ,
-        wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;
+    wxASSERT_MSG( m_iconRef == NULL ,
+                 wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;

 #endif
     ++m_rawAccessCount ;
 
 #endif
     ++m_rawAccessCount ;
 


@@ -425,62 +478,53 @@ IconRef wxBitmapRefData::GetIconRef()
         OSType dataType = 0 ;
         OSType maskType = 0 ;
 
         OSType dataType = 0 ;
         OSType maskType = 0 ;
 

+        // since we don't have PICT conversion available, use
+        // the next larger standard icon size
+        // TODO: Use NSImage
+        if (sz <= 16)
+            sz = 16;
+        else if ( sz <= 32)
+            sz = 32;
+        else if ( sz <= 48)
+            sz = 48;
+        else if ( sz <= 128)
+            sz = 128;
+        else if ( sz <= 256)
+            sz = 256;
+        else if ( sz <= 512)
+            sz = 512;
+        else if ( sz <= 1024)
+            sz = 1024;
+        

         switch (sz)
         {
         switch (sz)
         {

-            case 128:
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-                if ( UMAGetSystemVersion() >= 0x1050 )
-                {
-                    dataType = kIconServices128PixelDataARGB ;
-                }
-                else
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+            case 1024:
+                dataType = kIconServices1024PixelDataARGB;
+                break;

 #endif
 #endif

-                {
-                    dataType = kThumbnail32BitData ;
-                    maskType = kThumbnail8BitMask ;
-                }
+            case 512:
+                dataType = kIconServices512PixelDataARGB;
+                break;
+                
+            case 256:
+                dataType = kIconServices256PixelDataARGB;
+                break;
+ 
+            case 128:
+                dataType = kIconServices128PixelDataARGB ;

                 break;
 
             case 48:
                 break;
 
             case 48:

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-                if ( UMAGetSystemVersion() >= 0x1050 )
-                {
-                    dataType = kIconServices48PixelDataARGB ;
-                }
-                else
-#endif
-                {
-                    dataType = kHuge32BitData ;
-                    maskType = kHuge8BitMask ;
-                }
+                dataType = kIconServices48PixelDataARGB ;

                 break;
 
             case 32:
                 break;
 
             case 32:

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-                if ( UMAGetSystemVersion() >= 0x1050 )
-                {
-                    dataType = kIconServices32PixelDataARGB ;
-                }
-                else
-#endif
-                {
-                    dataType = kLarge32BitData ;
-                    maskType = kLarge8BitMask ;
-                }
+                dataType = kIconServices32PixelDataARGB ;

                 break;
 
             case 16:
                 break;
 
             case 16:

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-                if ( UMAGetSystemVersion() >= 0x1050 )
-                {
-                    dataType = kIconServices16PixelDataARGB ;
-                }
-                else
-#endif
-                {
-                    dataType = kSmall32BitData ;
-                    maskType = kSmall8BitMask ;
-                }
+                dataType = kIconServices16PixelDataARGB ;

                 break;
 
             default:
                 break;
 
             default:


@@ -489,8 +533,7 @@ IconRef wxBitmapRefData::GetIconRef()
 
         if ( dataType != 0 )
         {
 
         if ( dataType != 0 )
         {

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-            if (  maskType == 0 && UMAGetSystemVersion() >= 0x1050 )
+            if (  maskType == 0 )

             {
                 size_t datasize = sz * sz * 4 ;
                 Handle data = NewHandle( datasize ) ;
             {
                 size_t datasize = sz * sz * 4 ;
                 Handle data = NewHandle( datasize ) ;


@@ -552,7 +595,6 @@ IconRef wxBitmapRefData::GetIconRef()
                 DisposeHandle( data );
             }
             else
                 DisposeHandle( data );
             }
             else

-#endif

             {
                 // setup the header properly
 
             {
                 // setup the header properly
 


@@ -620,11 +662,6 @@ IconRef wxBitmapRefData::GetIconRef()
                 DisposeHandle( maskdata ) ;
             }
         }
                 DisposeHandle( maskdata ) ;
             }
         }

-        else
-        {
-            PicHandle pic = GetPictHandle() ;
-            SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ;
-        }

         // transform into IconRef
 
         // cleaner version existing from 10.3 upwards
         // transform into IconRef
 
         // cleaner version existing from 10.3 upwards


@@ -639,41 +676,6 @@ IconRef wxBitmapRefData::GetIconRef()
     return m_iconRef ;
 }
 
     return m_iconRef ;
 }
 

-PicHandle wxBitmapRefData::GetPictHandle()
-{
-    if ( m_pictHandle == NULL )
-    {
-#ifndef __LP64__
-        GraphicsExportComponent exporter = 0;
-        OSStatus err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypePicture, &exporter);
-        if (noErr == err)
-        {
-            m_pictHandle = (PicHandle) NewHandle(0);
-            if ( m_pictHandle )
-            {
-                // QT does not correctly export the mask
-                // TODO if we get around to it create a synthetic PICT with the CopyBits and Mask commands
-                CGImageRef imageRef = CreateCGImage();
-                err = GraphicsExportSetInputCGImage( exporter, imageRef );
-                err = GraphicsExportSetOutputHandle(exporter, (Handle)m_pictHandle);
-                err = GraphicsExportDoExport(exporter, NULL);
-                CGImageRelease( imageRef );
-
-                size_t handleSize = GetHandleSize( (Handle) m_pictHandle );
-                // the 512 bytes header is only needed for pict files, but not in memory
-                if ( handleSize >= 512 )
-                {
-                    memmove( *m_pictHandle , (char*)(*m_pictHandle)+512, handleSize - 512 );
-                    SetHandleSize( (Handle) m_pictHandle, handleSize - 512 );
-                }
-            }
-            CloseComponent( exporter );
-        }
-#endif
-    }
-
-    return m_pictHandle ;
-}

 #endif
 
 CGImageRef wxBitmapRefData::CreateCGImage() const
 #endif
 
 CGImageRef wxBitmapRefData::CreateCGImage() const


@@ -813,14 +815,6 @@ void wxBitmapRefData::Free()
         ReleaseIconRef( m_iconRef ) ;
         m_iconRef = NULL ;
     }
         ReleaseIconRef( m_iconRef ) ;
         m_iconRef = NULL ;
     }

-
-#ifndef __LP64__
-    if ( m_pictHandle )
-    {
-        KillPicture( m_pictHandle ) ;
-        m_pictHandle = NULL ;
-    }
-#endif

 #endif
     if ( m_hBitmap )
     {
 #endif
     if ( m_hBitmap )
     {


@@ -957,9 +951,9 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
     {
         if ( no_bits == 1 )
         {
     {
         if ( no_bits == 1 )
         {

-            int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
-            if ( the_width % (sizeof(unsigned char) * 8) )
-                linesize += sizeof(unsigned char);
+            int linesize = the_width / 8;
+            if ( the_width % 8 )
+                linesize++;

 
             unsigned char* linestart = (unsigned char*) bits ;
             unsigned char* destptr = (unsigned char*) BeginRawAccess() ;
 
             unsigned char* linestart = (unsigned char*) bits ;
             unsigned char* destptr = (unsigned char*) BeginRawAccess() ;


@@ -1006,14 +1000,19 @@ wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, i
     (void) Create(data, type, width, height, depth);
 }
 
     (void) Create(data, type, width, height, depth);
 }
 

+wxBitmap::wxBitmap(int width, int height, const wxDC& dc)
+{
+    (void)Create(width, height, dc);
+}
+

 wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
 {
     LoadFile(filename, type);
 }
 
 wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
 {
     LoadFile(filename, type);
 }
 

-wxBitmap::wxBitmap(CGImageRef image)
+wxBitmap::wxBitmap(CGImageRef image, double scale)

 {
 {

-    (void) Create(image);
+    (void) Create(image,scale);

 }
 
 wxGDIRefData* wxBitmap::CreateGDIRefData() const
 }
 
 wxGDIRefData* wxBitmap::CreateGDIRefData() const


@@ -1028,28 +1027,28 @@ wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
 
 void * wxBitmap::GetRawAccess() const
 {
 
 void * wxBitmap::GetRawAccess() const
 {

-    wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+    wxCHECK_MSG( IsOk() , NULL , wxT("invalid bitmap") ) ;

 
     return M_BITMAPDATA->GetRawAccess() ;
 }
 
 void * wxBitmap::BeginRawAccess()
 {
 
     return M_BITMAPDATA->GetRawAccess() ;
 }
 
 void * wxBitmap::BeginRawAccess()
 {

-    wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+    wxCHECK_MSG( IsOk() , NULL , wxT("invalid bitmap") ) ;

 
     return M_BITMAPDATA->BeginRawAccess() ;
 }
 
 void wxBitmap::EndRawAccess()
 {
 
     return M_BITMAPDATA->BeginRawAccess() ;
 }
 
 void wxBitmap::EndRawAccess()
 {

-    wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
+    wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ;

 
     M_BITMAPDATA->EndRawAccess() ;
 }
 
 CGImageRef wxBitmap::CreateCGImage() const
 {
 
     M_BITMAPDATA->EndRawAccess() ;
 }
 
 CGImageRef wxBitmap::CreateCGImage() const
 {

-    wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+    wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;

 
     return M_BITMAPDATA->CreateCGImage() ;
 }
 
     return M_BITMAPDATA->CreateCGImage() ;
 }


@@ -1057,7 +1056,7 @@ CGImageRef wxBitmap::CreateCGImage() const
 #ifndef  __WXOSX_IPHONE__
 IconRef wxBitmap::GetIconRef() const
 {
 #ifndef  __WXOSX_IPHONE__
 IconRef wxBitmap::GetIconRef() const
 {

-    wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+    wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;

 
     return M_BITMAPDATA->GetIconRef() ;
 }
 
     return M_BITMAPDATA->GetIconRef() ;
 }


@@ -1072,10 +1071,34 @@ IconRef wxBitmap::CreateIconRef() const
 
 #if wxOSX_USE_COCOA
 
 
 #if wxOSX_USE_COCOA
 

+wxBitmap::wxBitmap(WX_NSImage image)
+{
+    (void)Create(image);
+}
+
+bool wxBitmap::Create(WX_NSImage image)
+{
+    return Create(wxOSXCreateBitmapContextFromNSImage(image));
+}
+
+wxBitmap::wxBitmap(CGContextRef bitmapcontext)
+{
+    (void)Create(bitmapcontext);
+}
+
+bool wxBitmap::Create(CGContextRef bitmapcontext)
+{
+    UnRef();
+    
+    m_refData = new wxBitmapRefData( bitmapcontext );
+    
+    return M_BITMAPDATA->IsOk() ;
+}
+

 WX_NSImage wxBitmap::GetNSImage() const
 {
     wxCFRef< CGImageRef > cgimage(CreateCGImage());
 WX_NSImage wxBitmap::GetNSImage() const
 {
     wxCFRef< CGImageRef > cgimage(CreateCGImage());

-    return wxOSXGetNSImageFromCGImage( cgimage );
+    return wxOSXGetNSImageFromCGImage( cgimage, GetScaleFactor() );

 }
 
 #endif
 }
 
 #endif


@@ -1091,35 +1114,40 @@ WX_UIImage wxBitmap::GetUIImage() const
 #endif
 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 {
 #endif
 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 {

-    wxCHECK_MSG( Ok() &&
+    wxCHECK_MSG( IsOk() &&

                 (rect.x >= 0) && (rect.y >= 0) &&
                 (rect.x+rect.width <= GetWidth()) &&
                 (rect.y+rect.height <= GetHeight()),
                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 
                 (rect.x >= 0) && (rect.y >= 0) &&
                 (rect.x+rect.width <= GetWidth()) &&
                 (rect.y+rect.height <= GetHeight()),
                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 

-    wxBitmap ret( rect.width, rect.height, GetDepth() );
-    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+    wxBitmap ret;
+    double scale = GetScaleFactor();
+    ret.CreateScaled( rect.width, rect.height, GetDepth(), scale );
+    wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") );

 
 

-    int destwidth = rect.width ;
-    int destheight = rect.height ;
+    int destwidth = rect.width*scale ;
+    int destheight = rect.height*scale ;

 
     {
         unsigned char *sourcedata = (unsigned char*) GetRawAccess() ;
         unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ;
 
     {
         unsigned char *sourcedata = (unsigned char*) GetRawAccess() ;
         unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ;

-        wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ;
+        wxASSERT((sourcedata != NULL) && (destdata != NULL));

 
 

-        int sourcelinesize = GetBitmapData()->GetBytesPerRow() ;
-        int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ;
-        unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ;
-        unsigned char *dest = destdata ;
-
-        for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+        if ( (sourcedata != NULL) && (destdata != NULL) )

         {
         {

-            memcpy( dest , source , destlinesize ) ;
+            int sourcelinesize = GetBitmapData()->GetBytesPerRow() ;
+            int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ;
+            unsigned char *source = sourcedata + int(rect.x * scale * 4 + rect.y *scale * sourcelinesize) ;
+            unsigned char *dest = destdata ;
+
+            for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+            {
+                memcpy( dest , source , destlinesize ) ;
+            }

         }
         }

+        ret.EndRawAccess() ;

     }
 
     }
 

-    ret.EndRawAccess() ;

 
     if ( M_BITMAPDATA->m_bitmapMask )
     {
 
     if ( M_BITMAPDATA->m_bitmapMask )
     {


@@ -1134,15 +1162,18 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
         unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
         wxASSERT( (source != NULL) && (destdata != NULL) ) ;
 
         unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
         wxASSERT( (source != NULL) && (destdata != NULL) ) ;
 

-        source += rect.x * kMaskBytesPerPixel + rect.y * sourcelinesize ;
-        unsigned char *dest = destdata ;
-
-        for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+        if ( (source != NULL) && (destdata != NULL) )

         {
         {

-            memcpy( dest , source , destlinesize ) ;
-        }
+            source += rect.x * kMaskBytesPerPixel + rect.y * sourcelinesize ;
+            unsigned char *dest = destdata ;
+
+            for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+            {
+                memcpy( dest , source , destlinesize ) ;
+            }

 
 

-        maskbuf.UngetWriteBuf( maskbufsize ) ;
+            maskbuf.UngetWriteBuf( maskbufsize ) ;
+        }

         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }
     else if ( HasAlpha() )
         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }
     else if ( HasAlpha() )


@@ -1163,12 +1194,29 @@ bool wxBitmap::Create(int w, int h, int d)
     return M_BITMAPDATA->IsOk() ;
 }
 
     return M_BITMAPDATA->IsOk() ;
 }
 

+bool wxBitmap::Create(int w, int h, const wxDC& dc)
+{
+    double factor = dc.GetContentScaleFactor();
+    return CreateScaled(w,h,wxBITMAP_SCREEN_DEPTH, factor);
+}

 
 

-bool wxBitmap::Create(CGImageRef image)
+bool wxBitmap::CreateScaled(int w, int h, int d, double logicalScale)

 {
     UnRef();
     
 {
     UnRef();
     

-    m_refData = new wxBitmapRefData( image );
+    if ( d < 0 )
+        d = wxDisplayDepth() ;
+    
+    m_refData = new wxBitmapRefData( w , h , d, logicalScale );
+    
+    return M_BITMAPDATA->IsOk() ;
+}
+
+bool wxBitmap::Create(CGImageRef image, double scale)
+{
+    UnRef();
+    
+    m_refData = new wxBitmapRefData( image, scale );

     
     return M_BITMAPDATA->IsOk() ;
 }
     
     return M_BITMAPDATA->IsOk() ;
 }


@@ -1188,10 +1236,29 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
     else
     {
 #if wxUSE_IMAGE
     else
     {
 #if wxUSE_IMAGE

-        wxImage loadimage(filename, type);
-        if (loadimage.Ok())
+        double scale = 1.0;
+        wxString fname = filename;
+        
+        if  ( type == wxBITMAP_TYPE_PNG )

         {
         {

-            *this = loadimage;
+            if ( wxOSXGetMainScreenContentScaleFactor() > 1.9 )
+            {
+                wxFileName fn(filename);
+                fn.MakeAbsolute();
+                fn.SetName(fn.GetName()+"@2x");
+                
+                if ( fn.Exists() )
+                {
+                    fname = fn.GetFullPath();
+                    scale = 2.0;
+                }
+            }
+        }
+
+        wxImage loadimage(fname, type);
+        if (loadimage.IsOk())
+        {
+            *this = wxBitmap(loadimage,-1,scale);

 
             return true;
         }
 
             return true;
         }


@@ -1223,9 +1290,9 @@ bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height
 
 #if wxUSE_IMAGE
 
 
 #if wxUSE_IMAGE
 

-wxBitmap::wxBitmap(const wxImage& image, int depth)
+wxBitmap::wxBitmap(const wxImage& image, int depth, double scale)

 {
 {

-    wxCHECK_RET( image.Ok(), wxT("invalid image") );
+    wxCHECK_RET( image.IsOk(), wxT("invalid image") );

 
     // width and height of the device-dependent bitmap
     int width = image.GetWidth();
 
     // width and height of the device-dependent bitmap
     int width = image.GetWidth();


@@ -1233,7 +1300,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
 
     wxBitmapRefData* bitmapRefData;
 
 
     wxBitmapRefData* bitmapRefData;
 

-    m_refData = bitmapRefData = new wxBitmapRefData( width , height , depth ) ;
+    m_refData = bitmapRefData = new wxBitmapRefData( width/scale, height/scale, depth, scale) ;

 
     if ( bitmapRefData->IsOk())
     {
 
     if ( bitmapRefData->IsOk())
     {


@@ -1299,7 +1366,7 @@ wxImage wxBitmap::ConvertToImage() const
 {
     wxImage image;
 
 {
     wxImage image;
 

-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );

 
     // create an wxImage object
     int width = GetWidth();
 
     // create an wxImage object
     int width = GetWidth();


@@ -1431,35 +1498,42 @@ bool wxBitmap::SaveFile( const wxString& filename,
 
 int wxBitmap::GetHeight() const
 {
 
 int wxBitmap::GetHeight() const
 {

-   wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+   wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );

 
    return M_BITMAPDATA->GetHeight();
 }
 
 int wxBitmap::GetWidth() const
 {
 
    return M_BITMAPDATA->GetHeight();
 }
 
 int wxBitmap::GetWidth() const
 {

-   wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+   wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );

 
    return M_BITMAPDATA->GetWidth() ;
 }
 
 
    return M_BITMAPDATA->GetWidth() ;
 }
 

+double wxBitmap::GetScaleFactor() const
+{
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+    
+    return M_BITMAPDATA->GetScaleFactor() ;
+}
+

 int wxBitmap::GetDepth() const
 {
 int wxBitmap::GetDepth() const
 {

-   wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+   wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );

 
    return M_BITMAPDATA->GetDepth();
 }
 
 wxMask *wxBitmap::GetMask() const
 {
 
    return M_BITMAPDATA->GetDepth();
 }
 
 wxMask *wxBitmap::GetMask() const
 {

-   wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+   wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );

 
    return M_BITMAPDATA->m_bitmapMask;
 }
 
 bool wxBitmap::HasAlpha() const
 {
 
    return M_BITMAPDATA->m_bitmapMask;
 }
 
 bool wxBitmap::HasAlpha() const
 {

-   wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") );
+   wxCHECK_MSG( IsOk(), false , wxT("invalid bitmap") );

 
    return M_BITMAPDATA->HasAlpha() ;
 }
 
    return M_BITMAPDATA->HasAlpha() ;
 }


@@ -1491,7 +1565,7 @@ void wxBitmap::SetOk(bool isOk)
 #if wxUSE_PALETTE
 wxPalette *wxBitmap::GetPalette() const
 {
 #if wxUSE_PALETTE
 wxPalette *wxBitmap::GetPalette() const
 {

-   wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap  GetPalette()") );
+   wxCHECK_MSG( IsOk(), NULL, wxT("Invalid bitmap  GetPalette()") );

 
    return &M_BITMAPDATA->m_bitmapPalette;
 }
 
    return &M_BITMAPDATA->m_bitmapPalette;
 }


@@ -1528,7 +1602,7 @@ wxMask::wxMask()
     Init() ;
 }
 
     Init() ;
 }
 

-wxMask::wxMask(const wxMask &tocopy)
+wxMask::wxMask(const wxMask &tocopy) : wxObject()

 {
     Init();
 
 {
     Init();
 


@@ -1635,26 +1709,29 @@ bool wxMask::Create(const wxBitmap& bitmap)
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;

-
-    memset( destdatabase , 0 , size ) ;
-    unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
-
-    for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )
+    
+    if ( destdatabase )

     {
     {

-        unsigned char *destdata = destdatabase ;
-        unsigned char r, g, b;
+        memset( destdatabase , 0 , size ) ;
+        unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;

 
 

-        for ( int x = 0 ; x < m_width ; ++x )
+        for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )

         {
         {

-            srcdata++ ;
-            r = *srcdata++ ;
-            g = *srcdata++ ;
-            b = *srcdata++ ;
+            unsigned char *destdata = destdatabase ;
+            unsigned char r, g, b;

 
 

-            if ( ( r + g + b ) > 0x10 )
-                *destdata++ = 0xFF ;
-            else
-                *destdata++ = 0x00 ;
+            for ( int x = 0 ; x < m_width ; ++x )
+            {
+                srcdata++ ;
+                r = *srcdata++ ;
+                g = *srcdata++ ;
+                b = *srcdata++ ;
+
+                if ( ( r + g + b ) > 0x10 )
+                    *destdata++ = 0xFF ;
+                else
+                    *destdata++ = 0x00 ;
+            }

         }
     }
 
         }
     }
 


@@ -1675,37 +1752,60 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;

-
-    memset( destdatabase , 0 , size ) ;
-    unsigned char * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ;
-    size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow();
-
-    for ( int y = 0 ; y < m_height ; ++y , srcdatabase+= sourceBytesRow, destdatabase += m_bytesPerRow)
+    if ( destdatabase != NULL)

     {
     {

-        unsigned char *srcdata = srcdatabase ;
-        unsigned char *destdata = destdatabase ;
-        unsigned char r, g, b;
+        memset( destdatabase , 0 , size ) ;
+        unsigned char * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ;
+        size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow();

 
 

-        for ( int x = 0 ; x < m_width ; ++x )
+        for ( int y = 0 ; y < m_height ; ++y , srcdatabase+= sourceBytesRow, destdatabase += m_bytesPerRow)

         {
         {

-            srcdata++ ;
-            r = *srcdata++ ;
-            g = *srcdata++ ;
-            b = *srcdata++ ;
+            unsigned char *srcdata = srcdatabase ;
+            unsigned char *destdata = destdatabase ;
+            unsigned char r, g, b;

 
 

-            if ( colour == wxColour( r , g , b ) )
-                *destdata++ = 0xFF ;
-            else
-                *destdata++ = 0x00 ;
+            for ( int x = 0 ; x < m_width ; ++x )
+            {
+                srcdata++ ;
+                r = *srcdata++ ;
+                g = *srcdata++ ;
+                b = *srcdata++ ;
+
+                if ( colour == wxColour( r , g , b ) )
+                    *destdata++ = 0xFF ;
+                else
+                    *destdata++ = 0x00 ;
+            }

         }
     }
         }
     }

-

     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;
 
     return true;
 }
 
     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;
 
     return true;
 }
 

+wxBitmap wxMask::GetBitmap() const
+{
+    wxBitmap bitmap(m_width, m_height, 1);
+    unsigned char* dst = static_cast<unsigned char*>(bitmap.BeginRawAccess());
+    const int dst_stride = bitmap.GetBitmapData()->GetBytesPerRow();
+    const unsigned char* src = static_cast<unsigned char*>(GetRawAccess());
+    for (int j = 0; j < m_height; j++, src += m_bytesPerRow, dst += dst_stride)
+    {
+        unsigned char* d = dst;
+        for (int i = 0; i < m_width; i++)
+        {
+            const unsigned char byte = src[i];
+            *d++ = 0xff;
+            *d++ = byte;
+            *d++ = byte;
+            *d++ = byte;
+        }
+    }
+    bitmap.EndRawAccess();
+    return bitmap;
+}
+

 WXHBITMAP wxMask::GetHBITMAP() const
 {
     return m_maskBitmap ;
 WXHBITMAP wxMask::GetHBITMAP() const
 {
     return m_maskBitmap ;


@@ -1717,7 +1817,7 @@ WXHBITMAP wxMask::GetHBITMAP() const
 
 class WXDLLEXPORT wxBundleResourceHandler: public wxBitmapHandler
 {
 
 class WXDLLEXPORT wxBundleResourceHandler: public wxBitmapHandler
 {

-    DECLARE_ABSTRACT_CLASS(wxPNGResourceHandler)
+    DECLARE_ABSTRACT_CLASS(wxBundleResourceHandler)

     
 public:
     inline wxBundleResourceHandler()
     
 public:
     inline wxBundleResourceHandler()


@@ -1750,7 +1850,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxPNGResourceHandler, wxBundleResourceHandler)
 
 class WXDLLEXPORT wxJPEGResourceHandler: public wxBundleResourceHandler
 {
 
 class WXDLLEXPORT wxJPEGResourceHandler: public wxBundleResourceHandler
 {

-    DECLARE_DYNAMIC_CLASS(wxPNGResourceHandler)
+    DECLARE_DYNAMIC_CLASS(wxJPEGResourceHandler)

     
 public:
     inline wxJPEGResourceHandler()
     
 public:
     inline wxJPEGResourceHandler()


@@ -1771,9 +1871,23 @@ bool wxBundleResourceHandler::LoadFile(wxBitmap *bitmap,
 {
     wxString ext = GetExtension().Lower();
     wxCFStringRef resname(name);
 {
     wxString ext = GetExtension().Lower();
     wxCFStringRef resname(name);

+    wxCFStringRef resname2x(name+"@2x");

     wxCFStringRef restype(ext);
     wxCFStringRef restype(ext);

+    double scale = 1.0;

     
     

-    wxCFRef<CFURLRef> imageURL(CFBundleCopyResourceURL(CFBundleGetMainBundle(), resname, restype, NULL));
+    wxCFRef<CFURLRef> imageURL;
+    
+    if ( wxOSXGetMainScreenContentScaleFactor() > 1.9 )
+    {
+        imageURL.reset(CFBundleCopyResourceURL(CFBundleGetMainBundle(), resname2x, restype, NULL));
+        scale = 2.0;
+    }
+    
+    if ( imageURL.get() == NULL )
+    {
+        imageURL.reset(CFBundleCopyResourceURL(CFBundleGetMainBundle(), resname, restype, NULL));
+        scale = 1.0;
+    }

     
     if ( imageURL.get() != NULL )
     {
     
     if ( imageURL.get() != NULL )
     {


@@ -1789,7 +1903,7 @@ bool wxBundleResourceHandler::LoadFile(wxBitmap *bitmap,
                                                        kCGRenderingIntentDefault);
         if ( image != NULL )
         {
                                                        kCGRenderingIntentDefault);
         if ( image != NULL )
         {

-            bitmap->Create(image);
+            bitmap->Create(image,scale);

             CGImageRelease(image);
         }
     }
             CGImageRelease(image);
         }
     }


@@ -1797,65 +1911,20 @@ bool wxBundleResourceHandler::LoadFile(wxBitmap *bitmap,
     return false ;
 }
 
     return false ;
 }
 

-#if !defined( __LP64__ ) && !defined(__WXOSX_IPHONE__)
-
-class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
-{
-    DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
-
-public:
-    inline wxPICTResourceHandler()
-    {
-        SetName(wxT("Macintosh Pict resource"));
-        SetExtension(wxEmptyString);
-        SetType(wxBITMAP_TYPE_PICT_RESOURCE);
-    };
-
-    virtual bool LoadFile(wxBitmap *bitmap,
-                          const wxString& name,
-                          wxBitmapType type,
-                          int desiredWidth,
-                          int desiredHeight);
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
-
-
-bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap,
-                                     const wxString& name,
-                                     wxBitmapType WXUNUSED(type),
-                                     int WXUNUSED(desiredWidth),
-                                     int WXUNUSED(desiredHeight))
+/* static */
+wxBitmap wxBitmapHelpers::NewFromPNGData(const void* data, size_t size)

 {
 {

-#if wxUSE_METAFILE
-    Str255 theName ;
-    wxMacStringToPascal( name , theName ) ;
-
-    PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
-    if ( thePict )
-    {
-        wxMetafile mf ;
-
-        mf.SetPICT( thePict ) ;
-        bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ;
-        wxMemoryDC dc ;
-        dc.SelectObject( *bitmap ) ;
-        mf.Play( &dc ) ;
-        dc.SelectObject( wxNullBitmap ) ;
+    wxCFRef<CGDataProviderRef>
+        provider(CGDataProviderCreateWithData(NULL, data, size, NULL) );
+    wxCFRef<CGImageRef>
+        image(CGImageCreateWithPNGDataProvider(provider, NULL, true,
+                                                kCGRenderingIntentDefault));

 
 

-        return true ;
-    }
-#endif
-
-    return false ;
+    return wxBitmap(image);

 }
 }

-#endif

 
 void wxBitmap::InitStandardHandlers()
 {
 
 void wxBitmap::InitStandardHandlers()
 {

-#if !defined( __LP64__ ) && !defined(__WXOSX_IPHONE__)
-    AddHandler( new wxPICTResourceHandler ) ;
-#endif

 #if wxOSX_USE_COCOA_OR_CARBON
     AddHandler( new wxICONResourceHandler ) ;
 #endif
 #if wxOSX_USE_COCOA_OR_CARBON
     AddHandler( new wxICONResourceHandler ) ;
 #endif


@@ -1869,7 +1938,7 @@ void wxBitmap::InitStandardHandlers()
 
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int WXUNUSED(bpp))
 {
 
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int WXUNUSED(bpp))
 {

-    if ( !Ok() )
+    if ( !IsOk() )

         // no bitmap, no data (raw or otherwise)
         return NULL;
 
         // no bitmap, no data (raw or otherwise)
         return NULL;