deleted unused variable

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

diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp
index ddabfe2384f0cbabafbd3d9cf80bca52f6eef009..7ef70887d623c316d3b79f42610d43c03c3ee2e1 100644 (file)
--- a/src/mac/carbon/bitmap.cpp
+++ b/src/mac/carbon/bitmap.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        bitmap.cpp
 // Purpose:     wxBitmap
 /////////////////////////////////////////////////////////////////////////////
 // Name:        bitmap.cpp
 // Purpose:     wxBitmap

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
+// Copyright:   (c) Stefan Csomor

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -21,9 +21,11 @@
 #include "wx/image.h"
 #include "wx/xpmdecod.h"
 
 #include "wx/image.h"
 #include "wx/xpmdecod.h"
 

+#include "wx/rawbmp.h"
+

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

-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject ) 
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )

 
 #ifdef __DARWIN__
     #include <ApplicationServices/ApplicationServices.h>
 
 #ifdef __DARWIN__
     #include <ApplicationServices/ApplicationServices.h>


@@ -36,7 +38,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
 CTabHandle wxMacCreateColorTable( int numColors )
 {
     CTabHandle newColors; /* Handle to the new color table */
 CTabHandle wxMacCreateColorTable( int numColors )
 {
     CTabHandle newColors; /* Handle to the new color table */

-    
+

     /* Allocate memory for the color table */
     newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
     sizeof (ColorSpec) * (numColors - 1) );
     /* Allocate memory for the color table */
     newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
     sizeof (ColorSpec) * (numColors - 1) );


@@ -51,7 +53,7 @@ CTabHandle wxMacCreateColorTable( int numColors )
     return newColors ;
 }
 
     return newColors ;
 }
 

-void wxMacDestroyColorTable( CTabHandle colors ) 
+void wxMacDestroyColorTable( CTabHandle colors )

 {
     DisposeHandle( (Handle) colors ) ;
 }
 {
     DisposeHandle( (Handle) colors ) ;
 }


@@ -69,12 +71,12 @@ GWorldPtr wxMacCreateGWorld( int width , int height , int depth )
     OSErr err = noErr ;
     GWorldPtr port ;
     Rect rect = { 0 , 0 , height , width } ;
     OSErr err = noErr ;
     GWorldPtr port ;
     Rect rect = { 0 , 0 , height , width } ;

-    
+

     if ( depth < 0 )
     {
     if ( depth < 0 )
     {

-        depth = wxDisplayDepth() ;     
+        depth = wxDisplayDepth() ;

     }
     }

-        
+

     err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
     if ( err == noErr )
     {
     err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
     if ( err == noErr )
     {


@@ -197,17 +199,17 @@ CIconHandle wxMacCreateCIcon(GWorldPtr image , GWorldPtr mask , short dstDepth ,
     (**icon).iconPMap.baseAddr = *(**icon).iconData ;
 
     LockPixels(GetGWorldPixMap(image));
     (**icon).iconPMap.baseAddr = *(**icon).iconData ;
 
     LockPixels(GetGWorldPixMap(image));

-            
+

     CopyBits(GetPortBitMapForCopyBits(image),
                 (BitMapPtr)&((**icon).iconPMap),
                 &imageBounds,
                 &imageBounds,
                 srcCopy | ditherCopy, nil);
     CopyBits(GetPortBitMapForCopyBits(image),
                 (BitMapPtr)&((**icon).iconPMap),
                 &imageBounds,
                 &imageBounds,
                 srcCopy | ditherCopy, nil);

- 
- 
+
+

     UnlockPixels(GetGWorldPixMap(image));
     HUnlock( (**icon).iconData ) ;
     UnlockPixels(GetGWorldPixMap(image));
     HUnlock( (**icon).iconData ) ;

-    
+

     (**icon).iconMask.rowBytes = iconSize / 8 ;
     (**icon).iconMask.bounds = frame ;
 
     (**icon).iconMask.rowBytes = iconSize / 8 ;
     (**icon).iconMask.bounds = frame ;
 


@@ -218,29 +220,33 @@ CIconHandle wxMacCreateCIcon(GWorldPtr image , GWorldPtr mask , short dstDepth ,
 
     if ( mask )
     {
 
     if ( mask )
     {

+        Rect r ;
+        GetPortBounds( image , &r ) ;

       LockPixels(GetGWorldPixMap(mask) ) ;
       CopyBits(GetPortBitMapForCopyBits(mask) ,
       LockPixels(GetGWorldPixMap(mask) ) ;
       CopyBits(GetPortBitMapForCopyBits(mask) ,

-          &(**icon).iconBMap , &imageBounds , &imageBounds, srcCopy , nil ) ;
+          &(**icon).iconBMap , &r , &r, srcCopy , nil ) ;

       CopyBits(GetPortBitMapForCopyBits(mask) ,
       CopyBits(GetPortBitMapForCopyBits(mask) ,

-          &(**icon).iconMask , &imageBounds , &imageBounds, srcCopy , nil ) ;
+          &(**icon).iconMask , &r , &r, srcCopy , nil ) ;

       UnlockPixels(GetGWorldPixMap( mask ) ) ;
     }
     else
     {
       UnlockPixels(GetGWorldPixMap( mask ) ) ;
     }
     else
     {

+        Rect r ;
+        GetPortBounds( image , &r ) ;

         LockPixels(GetGWorldPixMap(image));
       CopyBits(GetPortBitMapForCopyBits(image) ,
         LockPixels(GetGWorldPixMap(image));
       CopyBits(GetPortBitMapForCopyBits(image) ,

-          &(**icon).iconBMap , &imageBounds , &imageBounds, srcCopy , nil ) ;
+          &(**icon).iconBMap , &r , &r, srcCopy , nil ) ;

       CopyBits(GetPortBitMapForCopyBits(image) ,
       CopyBits(GetPortBitMapForCopyBits(image) ,

-          &(**icon).iconMask , &imageBounds , &imageBounds, srcCopy , nil ) ;
+          &(**icon).iconMask , &r , &r, srcCopy , nil ) ;

         UnlockPixels(GetGWorldPixMap(image));
     }
         UnlockPixels(GetGWorldPixMap(image));
     }

-    
+

     (**icon).iconMask.baseAddr = NULL ;
     (**icon).iconBMap.baseAddr = NULL ;
     (**icon).iconPMap.baseAddr = NULL ;
     HUnlock((Handle)icon) ;
     SetGWorld(saveWorld,saveHandle);
     (**icon).iconMask.baseAddr = NULL ;
     (**icon).iconBMap.baseAddr = NULL ;
     (**icon).iconPMap.baseAddr = NULL ;
     HUnlock((Handle)icon) ;
     SetGWorld(saveWorld,saveHandle);

-    
+

     return icon;
 }
 
     return icon;
 }
 


@@ -249,7 +255,7 @@ PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
   CGrafPtr       origPort ;
   GDHandle       origDev ;
 
   CGrafPtr       origPort ;
   GDHandle       origDev ;
 

-  PicHandle      pict;         
+  PicHandle      pict;

 
   RGBColor       white = { 0xffff ,0xffff , 0xffff } ;
   RGBColor       black = { 0x0000 ,0x0000 , 0x0000 } ;
 
   RGBColor       white = { 0xffff ,0xffff , 0xffff } ;
   RGBColor       black = { 0x0000 ,0x0000 , 0x0000 } ;


@@ -265,31 +271,38 @@ PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
     BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( mask ) ) ;
     UnlockPixels( GetGWorldPixMap( mask ) ) ;
   }
     BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( mask ) ) ;
     UnlockPixels( GetGWorldPixMap( mask ) ) ;
   }

-    
+

   SetGWorld( wp , NULL ) ;
   Rect portRect ;
   SetGWorld( wp , NULL ) ;
   Rect portRect ;

-  GetPortBounds( wp , &portRect ) ;
-
-  pict = OpenPicture(&portRect);   
-  if(pict)  
+  if ( clipRgn )
+    GetRegionBounds( clipRgn , &portRect ) ;
+  else
+      GetPortBounds( wp , &portRect ) ;
+  pict = OpenPicture(&portRect);
+  if(pict)

   {
     RGBForeColor( &black ) ;
     RGBBackColor( &white ) ;
 
   {
     RGBForeColor( &black ) ;
     RGBBackColor( &white ) ;
 

+    if ( clipRgn )
+        SetClip( clipRgn ) ;
+

     LockPixels( GetGWorldPixMap( wp ) ) ;
     LockPixels( GetGWorldPixMap( wp ) ) ;

-    CopyBits(GetPortBitMapForCopyBits(wp),          
-            GetPortBitMapForCopyBits(wp),       
-            &portRect,          
-            &portRect,          
-            srcCopy,clipRgn);       
+    CopyBits(GetPortBitMapForCopyBits(wp),
+            GetPortBitMapForCopyBits(wp),
+            &portRect,
+            &portRect,
+            srcCopy,clipRgn);

     UnlockPixels( GetGWorldPixMap( wp ) ) ;
     UnlockPixels( GetGWorldPixMap( wp ) ) ;

-    ClosePicture();                 
+    ClosePicture();

   }
   SetGWorld( origPort , origDev ) ;
   }
   SetGWorld( origPort , origDev ) ;

-  return pict;                  
+  if ( clipRgn )
+      DisposeRgn( clipRgn ) ;
+  return pict;

 }
 
 }
 

-void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap ) 
+void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )

 {
     memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
     if ( bitmap.Ok() )
 {
     memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
     if ( bitmap.Ok() )


@@ -297,7 +310,7 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
         wxBitmapRefData * bmap = (wxBitmapRefData*) ( bitmap.GetRefData()) ;
         if ( bmap == NULL )
             return ;
         wxBitmapRefData * bmap = (wxBitmapRefData*) ( bitmap.GetRefData()) ;
         if ( bmap == NULL )
             return ;

-            
+

         if ( bmap->m_bitmapType == kMacBitmapTypePict )
         {
             info->contentType = kControlContentPictHandle ;
         if ( bmap->m_bitmapType == kMacBitmapTypePict )
         {
             info->contentType = kControlContentPictHandle ;


@@ -305,7 +318,7 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
         }
         else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
         {
         }
         else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
         {

-            if ( (bmap->m_width == bmap->m_height) && (bmap->m_width & 0x3 == 0) )
+            if ( (forceType == kControlContentCIconHandle || ( bmap->m_width == bmap->m_height && forceType != kControlContentPictHandle ) ) && ((bmap->m_width & 0x3) == 0) )

             {
                 info->contentType = kControlContentCIconHandle ;
                 if ( bitmap.GetMask() )
             {
                 info->contentType = kControlContentCIconHandle ;
                 if ( bitmap.GetMask() )


@@ -324,19 +337,19 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
                 info->contentType = kControlContentPictHandle ;
                 if ( bitmap.GetMask() )
                 {
                 info->contentType = kControlContentPictHandle ;
                 if ( bitmap.GetMask() )
                 {

-                                   info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , MAC_WXHBITMAP(bitmap.GetMask()->GetMaskBitmap() ) ) ;
+                    info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , MAC_WXHBITMAP(bitmap.GetMask()->GetMaskBitmap() ) ) ;

                }
                 else
                 {
                }
                 else
                 {

-                                   info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , NULL ) ;
+                    info->u.picture = wxMacCreatePict( MAC_WXHBITMAP(bmap->m_hBitmap) , NULL ) ;

                 }
             }
         }
                 }
             }
         }

-               else if ( bmap->m_bitmapType == kMacBitmapTypeIcon )
-               {
-               info->contentType = kControlContentCIconHandle ;
-               info->u.cIconHandle = MAC_WXHICON(bmap->m_hIcon) ;
-               }
+        else if ( bmap->m_bitmapType == kMacBitmapTypeIcon )
+        {
+            info->contentType = kControlContentCIconHandle ;
+            info->u.cIconHandle = MAC_WXHICON(bmap->m_hIcon) ;
+        }

     }
 }
 
     }
 }
 


@@ -353,11 +366,15 @@ wxBitmapRefData::wxBitmapRefData()
     m_hPict = NULL ;
     m_hIcon = NULL ;
     m_bitmapType = kMacBitmapTypeUnknownType ;
     m_hPict = NULL ;
     m_hIcon = NULL ;
     m_bitmapType = kMacBitmapTypeUnknownType ;

+    m_hasAlpha = false;

 }
 
 // TODO move this to a public function of Bitmap Ref
 static void DisposeBitmapRefData(wxBitmapRefData *data)
 {
 }
 
 // TODO move this to a public function of Bitmap Ref
 static void DisposeBitmapRefData(wxBitmapRefData *data)
 {

+    if ( !data )
+        return ;
+

     switch (data->m_bitmapType)
     {
         case kMacBitmapTypePict :
     switch (data->m_bitmapType)
     {
         case kMacBitmapTypePict :


@@ -384,17 +401,17 @@ static void DisposeBitmapRefData(wxBitmapRefData *data)
                 DisposeCIcon( MAC_WXHICON(data->m_hIcon) ) ;
                 data->m_hIcon = NULL ;
             }
                 DisposeCIcon( MAC_WXHICON(data->m_hIcon) ) ;
                 data->m_hIcon = NULL ;
             }

-        
+

         default :
             // unkown type ?
             break ;
     }
         default :
             // unkown type ?
             break ;
     }

-    
-  if (data->m_bitmapMask)
-  {
-    delete data->m_bitmapMask;
-    data->m_bitmapMask = NULL;
-  }
+
+    if (data->m_bitmapMask)
+    {
+        delete data->m_bitmapMask;
+        data->m_bitmapMask = NULL;
+    }

 }
 
 wxBitmapRefData::~wxBitmapRefData()
 }
 
 wxBitmapRefData::~wxBitmapRefData()


@@ -430,27 +447,27 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
         M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
         MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
         M_BITMAPDATA->m_ok = (MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) != NULL ) ;
         M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
         MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
         M_BITMAPDATA->m_ok = (MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) != NULL ) ;

-    
+

         CGrafPtr    origPort ;
         GDHandle    origDevice ;
         CGrafPtr    origPort ;
         GDHandle    origDevice ;

-    
+

         GetGWorld( &origPort , &origDevice ) ;
         SetGWorld( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
         LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;
         GetGWorld( &origPort , &origDevice ) ;
         SetGWorld( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
         LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;

-    
+

         // bits is a char array
         // bits is a char array

-    
+

         unsigned char* linestart = (unsigned char*) bits ;
         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
         if ( the_width % (sizeof(unsigned char) * 8) ) {
             linesize += sizeof(unsigned char);
         }
         unsigned char* linestart = (unsigned char*) bits ;
         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
         if ( the_width % (sizeof(unsigned char) * 8) ) {
             linesize += sizeof(unsigned char);
         }

-    
-        RGBColor colors[2] = { 
+
+        RGBColor colors[2] = {

             { 0xFFFF , 0xFFFF , 0xFFFF } ,
             { 0xFFFF , 0xFFFF , 0xFFFF } ,

-            { 0, 0 , 0 } 
+            { 0, 0 , 0 }

         } ;
         } ;

-    
+

         for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
         {
             for ( int x = 0 ; x < the_width ; ++x )
         for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
         {
             for ( int x = 0 ; x < the_width ; ++x )


@@ -469,7 +486,7 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
             }
         }
         UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;
             }
         }
         UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) ) ) ;

-    
+

         SetGWorld( origPort , origDevice ) ;
     }
     else
         SetGWorld( origPort , origDevice ) ;
     }
     else


@@ -498,8 +515,8 @@ bool wxBitmap::CreateFromXpm(const char **bits)
     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
     wxXPMDecoder decoder;
     wxImage img = decoder.ReadData(bits);
     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
     wxXPMDecoder decoder;
     wxImage img = decoder.ReadData(bits);

-    wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )    
-    *this = wxBitmap(img);   
+    wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
+    *this = wxBitmap(img);

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -521,7 +538,7 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
                 (rect.y+rect.height <= GetHeight()),
                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 
                 (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( rect.width, rect.height, GetDepth() );
    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 


@@ -551,7 +568,7 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
            RGBColor  color;
 
            mask = (GWorldPtr) GetMask()->GetMaskBitmap();
            RGBColor  color;
 
            mask = (GWorldPtr) GetMask()->GetMaskBitmap();

-           submask = wxMacCreateGWorld(rect.width, rect.height, 1);
+           submask = wxMacCreateGWorld(rect.width, rect.height, GetMask()->GetDepth() );

            LockPixels(GetGWorldPixMap(mask));
            LockPixels(GetGWorldPixMap(submask));
 
            LockPixels(GetGWorldPixMap(mask));
            LockPixels(GetGWorldPixMap(submask));
 


@@ -626,11 +643,38 @@ int wxBitmap::GetBitmapType() const
 
 void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
 {
 
 void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
 {

-    DisposeBitmapRefData( M_BITMAPDATA ) ;
-    
+    if (!M_BITMAPDATA)
+        m_refData = new wxBitmapRefData;
+    else
+        DisposeBitmapRefData( M_BITMAPDATA ) ;
+

     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
     M_BITMAPDATA->m_hBitmap = bmp ;
     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
     M_BITMAPDATA->m_hBitmap = bmp ;

-      M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hBitmap != NULL ) ;
+    M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hBitmap != NULL ) ;
+}
+
+void wxBitmap::SetHICON(WXHICON ico)
+{
+    if (!M_BITMAPDATA)
+        m_refData = new wxBitmapRefData;
+    else
+        DisposeBitmapRefData( M_BITMAPDATA ) ;
+
+    M_BITMAPDATA->m_bitmapType = kMacBitmapTypeIcon ;
+    M_BITMAPDATA->m_hIcon = ico ;
+    M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hIcon != NULL ) ;
+}
+
+void wxBitmap::SetPict(WXHMETAFILE pict)
+{
+    if (!M_BITMAPDATA)
+        m_refData = new wxBitmapRefData;
+    else
+        DisposeBitmapRefData( M_BITMAPDATA ) ;
+
+    M_BITMAPDATA->m_bitmapType = kMacBitmapTypePict ;
+    M_BITMAPDATA->m_hPict = pict ;
+    M_BITMAPDATA->m_ok = ( M_BITMAPDATA->m_hPict != NULL ) ;

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


@@ -653,7 +697,7 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
             return true;
         }
     }
             return true;
         }
     }

-    wxLogWarning("no bitmap handler for type %d defined.", type);
+    wxLogWarning(wxT("no bitmap handler for type %d defined."), type);

     return false;
 }
 
     return false;
 }
 


@@ -666,7 +710,7 @@ bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int
     wxBitmapHandler *handler = FindHandler(type);
 
     if ( handler == NULL ) {
     wxBitmapHandler *handler = FindHandler(type);
 
     if ( handler == NULL ) {

-        wxLogWarning("no bitmap handler for type %d defined.", type);
+        wxLogWarning(wxT("no bitmap handler for type %d defined."), type);

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -680,7 +724,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
     wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
 
     m_refData = new wxBitmapRefData();
     wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
 
     m_refData = new wxBitmapRefData();

-      
+

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


@@ -688,7 +732,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
     // Create picture
 
     Create( width , height , 32 ) ;
     // Create picture
 
     Create( width , height , 32 ) ;

-    
+

     CGrafPtr origPort ;
     GDHandle origDevice ;
 
     CGrafPtr origPort ;
     GDHandle origDevice ;
 


@@ -697,7 +741,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
 
     GetGWorld( &origPort , &origDevice ) ;
     SetGWorld( (GWorldPtr) GetHBITMAP() , NULL ) ;
 
     GetGWorld( &origPort , &origDevice ) ;
     SetGWorld( (GWorldPtr) GetHBITMAP() , NULL ) ;

-    
+

     // Render image
     register unsigned char* data = image.GetData();
     char* destinationBase = GetPixBaseAddr( pixMap );
     // Render image
     register unsigned char* data = image.GetData();
     char* destinationBase = GetPixBaseAddr( pixMap );


@@ -707,17 +751,43 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
         for (int x = 0; x < width; x++)
         {
             *destination++ = 0 ;
         for (int x = 0; x < width; x++)
         {
             *destination++ = 0 ;

-            *destination++ = *data++ ;              
-            *destination++ = *data++ ;              
-            *destination++ = *data++ ;              
+            *destination++ = *data++ ;
+            *destination++ = *data++ ;
+            *destination++ = *data++ ;

         }
         }

-        destinationBase += ((**pixMap).rowBytes & 0x7fff);  
-        destination = (unsigned char*) destinationBase ;    
-    }  
-    if ( image.HasMask() )
+        destinationBase += ((**pixMap).rowBytes & 0x7fff);
+        destination = (unsigned char*) destinationBase ;
+    }
+    if ( image.HasAlpha() )

     {
     {

-      data = image.GetData(); 
-      
+      unsigned char *alpha = image.GetAlpha();
+
+      wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
+      RGBColor color ;
+      wxBitmap maskBitmap ;
+
+      maskBitmap.Create( width, height, 24);
+      LockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+      SetGWorld( (GWorldPtr) maskBitmap.GetHBITMAP(), NULL);
+
+      for (int y = 0; y < height; y++)
+      {
+          for (int x = 0; x < width; x++)
+          {
+              memset( &color , 255 - *alpha , sizeof( color ) );
+              SetCPixel(x,y, &color);
+
+              alpha += 1 ;
+          }
+      }  // for height
+      SetGWorld( (GWorldPtr) GetHBITMAP(), NULL);
+      SetMask(new wxMask( maskBitmap ));
+      UnlockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
+    }
+    else if ( image.HasMask() )
+    {
+      data = image.GetData();
+

       wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
       RGBColor white = { 0xffff, 0xffff, 0xffff };
       RGBColor black = { 0     , 0     , 0      };
       wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
       RGBColor white = { 0xffff, 0xffff, 0xffff };
       RGBColor black = { 0     , 0     , 0      };


@@ -736,7 +806,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
                 SetCPixel(x,y, &white);
               }
               else {
                 SetCPixel(x,y, &white);
               }
               else {

-                      SetCPixel(x,y, &black);
+                SetCPixel(x,y, &black);

               }
               data += 3 ;
           }
               }
               data += 3 ;
           }


@@ -745,7 +815,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
       SetMask(new wxMask( maskBitmap ));
       UnlockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
     }
       SetMask(new wxMask( maskBitmap ));
       UnlockPixels( GetGWorldPixMap( (GWorldPtr) maskBitmap.GetHBITMAP()) );
     }

-    
+

     UnlockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP()) );
     SetGWorld( origPort, origDevice );
 }
     UnlockPixels( GetGWorldPixMap( (GWorldPtr) GetHBITMAP()) );
     SetGWorld( origPort, origDevice );
 }


@@ -753,7 +823,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
 wxImage wxBitmap::ConvertToImage() const
 {
     wxImage image;
 wxImage wxBitmap::ConvertToImage() const
 {
     wxImage image;

-    
+

     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 
     // create an wxImage object
     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 
     // create an wxImage object


@@ -767,6 +837,8 @@ wxImage wxBitmap::ConvertToImage() const
 
     GWorldPtr origPort;
     GDHandle  origDevice;
 
     GWorldPtr origPort;
     GDHandle  origDevice;

+    RgnHandle maskRgn = NULL ;
+    GWorldPtr tempPort = NULL ;

     int      index;
     RGBColor color;
     // background color set to RGB(16,16,16) in consistent with wxGTK
     int      index;
     RGBColor color;
     // background color set to RGB(16,16,16) in consistent with wxGTK


@@ -775,9 +847,28 @@ wxImage wxBitmap::ConvertToImage() const
     wxMask  *mask = GetMask();
 
     GetGWorld( &origPort, &origDevice );
     wxMask  *mask = GetMask();
 
     GetGWorld( &origPort, &origDevice );

-    LockPixels(GetGWorldPixMap( (GWorldPtr) GetHBITMAP()));
-    SetGWorld(  (GWorldPtr) GetHBITMAP(), NULL);
-
+    if ( GetBitmapType() != kMacBitmapTypeGrafWorld )
+    {
+        tempPort = wxMacCreateGWorld( width , height , -1) ;
+    }
+    else
+    {
+        tempPort =  (GWorldPtr) GetHBITMAP() ;
+    }
+    LockPixels(GetGWorldPixMap(tempPort));
+    SetGWorld( tempPort, NULL);
+    if ( GetBitmapType() == kMacBitmapTypePict || GetBitmapType() == kMacBitmapTypeIcon )
+    {
+        Rect bitmaprect = { 0 , 0 , height, width };
+        if ( GetBitmapType() == kMacBitmapTypeIcon )
+        {
+            ::PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(GetHICON()) ) ;
+            maskRgn = NewRgn() ;
+            BitMapToRegion( maskRgn , &(**(MAC_WXHICON(GetHICON()))).iconMask ) ;
+        }
+         else
+             ::DrawPicture( (PicHandle) GetPict(), &bitmaprect ) ;
+    }

     // Copy data into image
     index = 0;
     for (int yy = 0; yy < height; yy++)
     // Copy data into image
     index = 0;
     for (int yy = 0; yy < height; yy++)


@@ -791,27 +882,50 @@ wxImage wxBitmap::ConvertToImage() const
             data[index    ] = r;
             data[index + 1] = g;
             data[index + 2] = b;
             data[index    ] = r;
             data[index + 1] = g;
             data[index + 2] = b;

-            if (mask)
+            if ( maskRgn )

             {
             {

-                if (mask->PointMasked(xx,yy))
+                Point pt ;
+                pt.h = xx ;
+                pt.v = yy ;
+                if ( !PtInRgn( pt , maskRgn ) )

                 {
                     data[index    ] = mask_r;
                     data[index + 1] = mask_g;
                     data[index + 2] = mask_b;
                 }
             }
                 {
                     data[index    ] = mask_r;
                     data[index + 1] = mask_g;
                     data[index + 2] = mask_b;
                 }
             }

+            else
+            {
+                if (mask)
+                {
+                    if (mask->PointMasked(xx,yy))
+                    {
+                        data[index    ] = mask_r;
+                        data[index + 1] = mask_g;
+                        data[index + 2] = mask_b;
+                    }
+                }
+            }

             index += 3;
         }
     }
             index += 3;
         }
     }

-    if (mask)
+    if (mask || maskRgn )

     {
         image.SetMaskColour( mask_r, mask_g, mask_b );
         image.SetMask( true );
     }
 
     // Free resources
     {
         image.SetMaskColour( mask_r, mask_g, mask_b );
         image.SetMask( true );
     }
 
     // Free resources

-    UnlockPixels(GetGWorldPixMap( (GWorldPtr) GetHBITMAP()));
+    UnlockPixels(GetGWorldPixMap( tempPort ));

     SetGWorld(origPort, origDevice);
     SetGWorld(origPort, origDevice);

+    if ( GetBitmapType() != kMacBitmapTypeGrafWorld )
+    {
+        wxMacDestroyGWorld( tempPort ) ;
+    }
+    if ( maskRgn )
+    {
+        DisposeRgn( maskRgn ) ;
+    }

 
     return image;
 }
 
     return image;
 }


@@ -832,8 +946,8 @@ bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type,
 
         return image.SaveFile(filename, type);
     }
 
         return image.SaveFile(filename, type);
     }

-    
-    wxLogWarning("no bitmap handler for type %d defined.", type);
+
+    wxLogWarning(wxT("no bitmap handler for type %d defined."), type);

     return false;
 }
 
     return false;
 }
 


@@ -938,8 +1052,7 @@ void wxBitmap::SetMask(wxMask *mask)
         m_refData = new wxBitmapRefData;
 
     // Remove existing mask if there is one.
         m_refData = new wxBitmapRefData;
 
     // Remove existing mask if there is one.

-    if (M_BITMAPDATA->m_bitmapMask)
-        delete M_BITMAPDATA->m_bitmapMask;
+    delete M_BITMAPDATA->m_bitmapMask;

 
     M_BITMAPDATA->m_bitmapMask = mask ;
 }
 
     M_BITMAPDATA->m_bitmapMask = mask ;
 }


@@ -951,96 +1064,35 @@ WXHBITMAP wxBitmap::GetHBITMAP() const
    return MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
 }
 
    return MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
 }
 

-WXHMETAFILE wxBitmap::GetPict() const
+WXHMETAFILE wxBitmap::GetPict( bool *created ) const

 {
 {

-   wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
-   
-   PicHandle picture;       // This is the returned picture
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );

 
 

-   // If bitmap already in Pict format return pointer
-   if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
+    PicHandle picture = NULL ;       // This is the returned picture
+    if ( created )
+        (*created) = false ;
+    // If bitmap already in Pict format return pointer
+    if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {

        return M_BITMAPDATA->m_hPict;
        return M_BITMAPDATA->m_hPict;

-   }
-   else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {
+    }
+    else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {

        // Invalid bitmap
        return NULL;
        // Invalid bitmap
        return NULL;

-   }
-
-   RGBColor  gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
-   RGBColor  white = { 0xffff ,0xffff , 0xffff } ;
-   RGBColor  black = { 0x0000 ,0x0000 , 0x0000 } ;
-   CGrafPtr  origPort;
-   GDHandle  origDev ;
-   wxMask   *mask;
-   Rect      portRect ;
-
-   GetPortBounds(  (GWorldPtr) GetHBITMAP() , &portRect ) ;
-   int width = portRect.right - portRect.left ;
-   int height = portRect.bottom - portRect.top ;
-
-   LockPixels( GetGWorldPixMap(  (GWorldPtr) GetHBITMAP() ) ) ;
-   GetGWorld( &origPort , &origDev ) ;
-
-   mask = GetMask();
-
-   SetGWorld(  (GWorldPtr) GetHBITMAP() , NULL ) ;
-
-   picture = OpenPicture(&portRect);   // open a picture, this disables drawing
-   if(!picture) {
-       return NULL;
-   }
-
-   if( mask )
-   {
-#ifdef __DARWIN__
-       RGBColor trans = white;
-#else
-       RGBBackColor( &gray );
-       EraseRect( &portRect );
-       RGBColor trans = gray;
-#endif
-       RGBForeColor( &black ) ;
-       RGBBackColor( &white ) ;
-       PenMode(transparent);
-
-       for ( int y = 0 ; y < height ; ++y )
-       {
-           for( int x = 0 ; x < width ; ++x )
-           {
-               if ( !mask->PointMasked(x,y) )
-               {
-                   RGBColor col ;
-
-                   GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
-                   SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
-               }
-               else {
-                   // With transparency this sets a blank pixel
-                   SetCPixel( x + portRect.left , y + portRect.top , &trans);
-               }
-           }
-       }
-   }
-   else
-   {
-       RGBBackColor( &gray ) ;
-       EraseRect(&portRect);
-       RGBForeColor( &black ) ;
-       RGBBackColor( &white ) ;
-
-       CopyBits(GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()), 
-                // src PixMap - we copy image over itself -
-                GetPortBitMapForCopyBits( (GWorldPtr) GetHBITMAP()),
-                //  dst PixMap - no drawing occurs
-                &portRect,    // srcRect - it will be recorded and compressed -
-                &portRect,    // dstRect - into the picture that is open -
-                srcCopy,NULL); // copyMode and no clip region
-   }
-   ClosePicture();                  // We are done recording the picture
-   UnlockPixels( GetGWorldPixMap(  (GWorldPtr) GetHBITMAP() ) ) ;
-   SetGWorld( origPort , origDev ) ;
-
-   return picture;                  // return our groovy pict handle
+    }
+    else
+    {
+        if ( GetMask() )
+        {
+            picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , MAC_WXHBITMAP(GetMask()->GetMaskBitmap() ) ) ;
+        }
+        else
+        {
+            picture = wxMacCreatePict( MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap) , NULL ) ;
+        }
+        if ( created && picture )
+            (*created) = true ;
+    }
+     return picture ;

 }
 
 /*
 }
 
 /*


@@ -1098,10 +1150,8 @@ bool wxMask::Create(const wxBitmap& bitmap)
 
    wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
 
 
    wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
 

-   wxCHECK_MSG(bitmap.GetDepth() == 1, false,
-               wxT("Cannot create mask from colour bitmap"));
-
-   m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1);
+   m_depth = bitmap.GetDepth() ;
+   m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), bitmap.GetDepth() );

    Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
 
    LockPixels( GetGWorldPixMap( (GWorldPtr) m_maskBitmap) );
    Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
 
    LockPixels( GetGWorldPixMap( (GWorldPtr) m_maskBitmap) );


@@ -1135,11 +1185,12 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
     }
     wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
                  wxT("Cannot create mask from this bitmap type (TODO)"));
     }
     wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
                  wxT("Cannot create mask from this bitmap type (TODO)"));

-    // other types would require a temporary bitmap. not yet implemented 
-    
+    // other types would require a temporary bitmap. not yet implemented
+

     wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
 
     wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
 

-    m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 ); 
+    m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 );
+    m_depth = 1 ;

     LockPixels( GetGWorldPixMap(  (GWorldPtr) m_maskBitmap ) );
     LockPixels( GetGWorldPixMap(  (GWorldPtr) bitmap.GetHBITMAP() ) );
     RGBColor maskColor = MAC_WXCOLORREF(colour.GetPixel());
     LockPixels( GetGWorldPixMap(  (GWorldPtr) m_maskBitmap ) );
     LockPixels( GetGWorldPixMap(  (GWorldPtr) bitmap.GetHBITMAP() ) );
     RGBColor maskColor = MAC_WXCOLORREF(colour.GetPixel());


@@ -1152,12 +1203,12 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
     RGBColor  colors[2] = {
         { 0xFFFF, 0xFFFF, 0xFFFF },
         { 0,      0,      0 }};
     RGBColor  colors[2] = {
         { 0xFFFF, 0xFFFF, 0xFFFF },
         { 0,      0,      0 }};

-            
+

     GetGWorld( &origPort , &origDevice ) ;
     for (int w = 0; w < bitmap.GetWidth(); w++)
     {
         for (int h = 0; h < bitmap.GetHeight(); h++)
     GetGWorld( &origPort , &origDevice ) ;
     for (int w = 0; w < bitmap.GetWidth(); w++)
     {
         for (int h = 0; h < bitmap.GetHeight(); h++)

-        {       
+        {

             SetGWorld(  (GWorldPtr) bitmap.GetHBITMAP(), NULL ) ;
             GetCPixel( w , h , &col ) ;
             SetGWorld(  (GWorldPtr) m_maskBitmap , NULL ) ;
             SetGWorld(  (GWorldPtr) bitmap.GetHBITMAP(), NULL ) ;
             GetCPixel( w , h , &col ) ;
             SetGWorld(  (GWorldPtr) m_maskBitmap , NULL ) ;


@@ -1233,8 +1284,8 @@ class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 public:
     inline wxPICTResourceHandler()
     {
 public:
     inline wxPICTResourceHandler()
     {

-        m_name = "Macintosh Pict resource";
-        m_extension = "";
+        m_name = wxT("Macintosh Pict resource");
+        m_extension = wxEmptyString;

         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
     };
 
         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
     };
 


@@ -1247,26 +1298,20 @@ bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, lo
           int desiredWidth, int desiredHeight)
 {
     Str255 theName ;
           int desiredWidth, int desiredHeight)
 {
     Str255 theName ;

-    
-#if TARGET_CARBON
-    c2pstrcpy( (StringPtr) theName , name ) ;
-#else
-    strcpy( (char *) theName , name ) ;
-    c2pstr( (char *)theName ) ;
-#endif
-    
+    wxMacStringToPascal( name , theName ) ;
+

     PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
     if ( thePict )
     {
         PictInfo theInfo ;
     PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
     if ( thePict )
     {
         PictInfo theInfo ;

-        
+

         GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
         DetachResource( (Handle) thePict ) ;
         M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
         M_BITMAPHANDLERDATA->m_hPict = thePict ;
         M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
         M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
         GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
         DetachResource( (Handle) thePict ) ;
         M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
         M_BITMAPHANDLERDATA->m_hPict = thePict ;
         M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
         M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;

-        
+

         M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
         M_BITMAPHANDLERDATA->m_ok = true ;
         M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
         M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
         M_BITMAPHANDLERDATA->m_ok = true ;
         M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;


@@ -1282,3 +1327,106 @@ void wxBitmap::InitStandardHandlers()
     AddHandler(new wxPICTResourceHandler) ;
     AddHandler(new wxICONResourceHandler) ;
 }
     AddHandler(new wxPICTResourceHandler) ;
     AddHandler(new wxICONResourceHandler) ;
 }

+
+// ----------------------------------------------------------------------------
+// raw bitmap access support
+// ----------------------------------------------------------------------------
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+    if ( !Ok() )
+    {
+        // no bitmap, no data (raw or otherwise)
+        return NULL;
+    }
+
+   if ( M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld )
+   {
+       wxFAIL_MSG( _T("GetRawData() only supported for GWorlds") );
+
+       return NULL;
+   }
+
+   GWorldPtr gworld = MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
+   PixMapHandle hPixMap = GetGWorldPixMap(gworld);
+   wxCHECK_MSG( hPixMap && *hPixMap, NULL,
+                    _T("GetRawData(): failed to get PixMap from GWorld?") );
+
+   wxCHECK_MSG( (*hPixMap)->pixelSize == bpp, NULL,
+                    _T("GetRawData(): pixel format mismatch") );
+
+   if ( !LockPixels(hPixMap) )
+   {
+       wxFAIL_MSG( _T("failed to lock PixMap in GetRawData()") );
+
+       return NULL;
+   }
+
+   data.m_width = GetWidth();
+   data.m_height = GetHeight();
+   data.m_stride = (*hPixMap)->rowBytes & 0x7fff;
+
+   M_BITMAPDATA->m_hasAlpha = false;
+
+   return GetPixBaseAddr(hPixMap);
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
+{
+    if ( !Ok() )
+        return;
+
+    if ( M_BITMAPDATA->m_hasAlpha )
+    {
+        wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase;
+
+        int w = data.GetWidth(),
+            h = data.GetHeight();
+
+        wxBitmap bmpMask(GetWidth(), GetHeight(), 32);
+        wxAlphaPixelData dataMask(bmpMask, data.GetOrigin(), wxSize(w, h));
+        wxAlphaPixelData::Iterator pMask(dataMask),
+                                   p(data);
+        for ( int y = 0; y < h; y++ )
+        {
+            wxAlphaPixelData::Iterator rowStartMask = pMask,
+                                       rowStart = p;
+
+            for ( int x = 0; x < w; x++ )
+            {
+                const wxAlphaPixelData::Iterator::ChannelType
+                    alpha = p.Alpha();
+
+                pMask.Red() = alpha;
+                pMask.Green() = alpha;
+                pMask.Blue() = alpha;
+
+                ++p;
+                ++pMask;
+            }
+
+            p = rowStart;
+            p.OffsetY(data, 1);
+
+            pMask = rowStartMask;
+            pMask.OffsetY(dataMask, 1);
+        }
+
+        SetMask(new wxMask(bmpMask));
+    }
+
+    GWorldPtr gworld = MAC_WXHBITMAP(M_BITMAPDATA->m_hBitmap);
+    PixMapHandle hPixMap = GetGWorldPixMap(gworld);
+    if ( hPixMap )
+    {
+        UnlockPixels(hPixMap);
+    }
+}
+
+void wxBitmap::UseAlpha()
+{
+    // remember that we are using alpha channel, we'll need to create a proper
+    // mask in UngetRawData()
+    M_BITMAPDATA->m_hasAlpha = true;
+}
+