Don't build when __WXMAC__ is defined but __WXMAC_OSX__ is not (i.e. CFM).

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

diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp
index a37654c059027ebdfbc16151a1b6b7e8cd71adf7..2fbb7dd2f6c30c232e838a474678dd4073d01fb9 100644 (file)
--- a/src/mac/carbon/bitmap.cpp
+++ b/src/mac/carbon/bitmap.cpp
@@ -1,33 +1,32 @@
 /////////////////////////////////////////////////////////////////////////////
 // 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
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "bitmapbase.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "bitmap.h"
 #endif
 
 #pragma implementation "bitmap.h"
 #endif
 

-#include "wx/defs.h"
+#include "wx/wxprec.h"

 
 #include "wx/bitmap.h"
 #include "wx/icon.h"
 #include "wx/log.h"
 #include "wx/image.h"
 
 #include "wx/bitmap.h"
 #include "wx/icon.h"
 #include "wx/log.h"
 #include "wx/image.h"

+#include "wx/metafile.h"

 #include "wx/xpmdecod.h"
 
 #include "wx/xpmdecod.h"
 

-#if !USE_SHARED_LIBRARIES
+#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_ABSTRACT_CLASS(wxBitmapBase , wxGDIObject )
-IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase, wxObject ) 
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )

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


@@ -37,266 +36,654 @@ IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase, wxObject )
 
 #include "wx/mac/uma.h"
 
 
 #include "wx/mac/uma.h"
 

-CTabHandle wxMacCreateColorTable( int numColors )
+#include "wx/dcmemory.h"
+
+// Implementation Notes
+// -------------------- 
+//
+// we are always working with a 32 bit deep pixel buffer 
+// under QuickDraw its alpha parts are going to be ignored in the GWorld, 
+// therefore we have a separate GWorld there for blitting the mask in
+
+// under Quartz then content is transformed into a CGImageRef representing the same data
+// which can be transferred to the GPU by the OS for fast rendering
+
+// we don't dare premultiplied alpha yet
+#define wxMAC_USE_PREMULTIPLIED_ALPHA 0
+
+IconFamilyHandle wxMacCreateIconFamily(const wxBitmap& bitmap)

 {
 {

-       CTabHandle newColors; /* Handle to the new color table */
-       
-       /* Allocate memory for the color table */
-       newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
-       sizeof (ColorSpec) * (numColors - 1) );
-       if (newColors != nil)
-       {
-               /* Initialize the fields */
-               (**newColors).ctSeed = GetCTSeed();
-               (**newColors).ctFlags = 0;
-               (**newColors).ctSize = numColors - 1;
-               /* Initialize the table of colors */
-       }
-       return newColors ;
-}
-
-void wxMacDestroyColorTable( CTabHandle colors ) 
-{
-       DisposeHandle( (Handle) colors ) ;
-}
-
-void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green ,  int blue )
-{
-       (**newColors).ctTable[index].value = index;
-       (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue;
-       (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue;
-       (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue;
-}
-
-GWorldPtr wxMacCreateGWorld( int width , int height , int depth )
-{
-       OSErr err = noErr ;
-       GWorldPtr port ;
-       Rect rect = { 0 , 0 , height , width } ;
-       
-       if ( depth < 0 )
-       {
-               depth = wxDisplayDepth() ;     
-       }
-               
-       err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
-       if ( err == noErr )
-       {
-               return port ;
-       }
-       return NULL ;
-}
-
-void wxMacDestroyGWorld( GWorldPtr gw )
-{
-       if ( gw )
-               DisposeGWorld( gw ) ;
-}
-
-PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
-{
-   CGrafPtr    origPort ;
-   GDHandle    origDev ;
-
-   PicHandle      pict;          // this is the Picture we give back
-
-   RGBColor    gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
-   RGBColor    white = { 0xffff ,0xffff , 0xffff } ;
-   RGBColor    black = { 0x0000 ,0x0000 , 0x0000 } ;
-
-   unsigned char *maskimage = NULL ;
-   Rect portRect ;
-   GetPortBounds( wp , &portRect ) ;
-   int width = portRect.right - portRect.left ;
-   int height = portRect.bottom - portRect.top ;
-
-   LockPixels( GetGWorldPixMap( wp ) ) ;
-   GetGWorld( &origPort , &origDev ) ;
-
-   if ( mask )
-   {
-      maskimage = (unsigned char*) malloc( width * height ) ;
-      SetGWorld( mask , NULL ) ;
-      LockPixels( GetGWorldPixMap( mask ) ) ;
-      for ( int y = 0 ; y < height ; y++ )
-      {
-         for( int x = 0 ; x < width ; x++ )
-         {
-            RGBColor col ;
-
-            GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
-            maskimage[y*width + x] = ( col.red == 0 ) ; // for monochrome masks
-         }
-      }
-      UnlockPixels( GetGWorldPixMap( mask ) ) ;
-   }
-
-   SetGWorld( wp , NULL ) ;
-
-   pict = OpenPicture(&portRect);   // open a picture, this disables drawing
-   if(!pict)
-      return NULL;
-
-   if ( maskimage )
-   {
-      RGBForeColor( &black ) ;
-      RGBBackColor( &white ) ;
-      PenMode(transparent);
-
-      for ( int y = 0 ; y < height ; ++y )
-      {
-         for( int x = 0 ; x < width ; ++x )
-         {
-            if ( maskimage[y*width + x] )
-            {
-               RGBColor col ;
+    wxBitmap bmp = bitmap ;
+    // setup the header properly
+    
+    IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle(8) ;
+    (**iconFamily).resourceType = kIconFamilyType ;
+    (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
+    
+    int w = bmp.GetWidth() ;
+    int h = bmp.GetHeight() ;
+    int sz = wxMax( w , h ) ;
+    
+    OSType dataType = 0 ;
+    OSType maskType = 0 ;
+    
+    if ( sz == 64 )
+    {
+        bmp = wxBitmap( bitmap.ConvertToImage().Scale( 128 , 128 ) ) ;
+        sz = 128 ;
+        h = w = 128 ;
+    }
+    else if ( sz == 24 )
+    {
+        bmp = wxBitmap( bitmap.ConvertToImage().Scale( 48 , 48 ) ) ;
+        sz = 48 ;
+        h = w = 48 ;
+    }
+    
+    if ( sz == 128 )
+    {
+        dataType = kThumbnail32BitData ;
+        maskType = kThumbnail8BitMask ;
+    }
+    else if ( sz == 48 )
+    {
+        dataType = kHuge32BitData ;
+        maskType = kHuge8BitMask ;
+    }
+    else if ( sz == 32 )
+    {
+        dataType = kLarge32BitData ;
+        maskType = kLarge8BitMask ;
+    }
+    else if ( sz == 16 )
+    {
+        dataType = kSmall32BitData ;
+        maskType = kSmall8BitMask ;
+    }

 
 

-               GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
-               SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
-            }
-            else {
-                // With transparency set this sets a blank pixel not a white one
-                SetCPixel( x + portRect.left , y + portRect.top , &white);
+    if ( dataType != 0 )
+    {
+        Handle data = NULL ; 
+        Handle maskdata = NULL ;
+        unsigned char * maskptr = NULL ;
+        unsigned char * ptr = NULL ;
+        size_t size ;
+        size_t masksize ;
+
+        size = sz * sz * 4 ;
+        data = NewHandle( size) ;    
+        HLock( data ) ;
+        ptr = (unsigned char*) *data ;
+        memset( ptr , 0, size ) ;
+
+        masksize = sz * sz ;
+        maskdata = NewHandle( masksize ) ;    
+        HLock( maskdata ) ;
+        maskptr = (unsigned char*) *maskdata ;
+        memset( maskptr , 0 , masksize ) ;
+
+        bool hasAlpha = bmp.HasAlpha() ;
+        wxMask *mask = bmp.GetMask() ;    
+        unsigned char * source = (unsigned char*) bmp.GetRawAccess() ;
+        unsigned char * masksource = mask ? (unsigned char*) mask->GetRawAccess() : NULL ;
+        for ( int y = 0 ; y < h ; ++y )
+        {
+            unsigned char * dest = ptr + y * sz * 4 ;
+            unsigned char * maskdest = maskptr + y * sz ;
+            for ( int x = 0 ; x < w ; ++x )
+            {
+                unsigned char a = *source ++ ;
+                unsigned char r = *source ++ ;
+                unsigned char g = *source ++ ;
+                unsigned char b = *source ++ ;
+                
+                *dest++ = 0 ;
+                *dest++ = r ;
+                *dest++ = g ;
+                *dest++ = b ;
+                
+                if ( mask )
+                    *maskdest++ = *masksource++ ;
+                else if ( hasAlpha )
+                    *maskdest++ = a ;
+                else
+                    *maskdest++ = 0xFF ;

             }
             }

-         }
-      }
-      free( maskimage ) ;
-      maskimage = NULL ;
-   }
-   else
-   {
-      RGBBackColor( &gray ) ;
-      EraseRect(&portRect);
-      RGBForeColor( &black ) ;
-      RGBBackColor( &white ) ;
-
-      CopyBits(GetPortBitMapForCopyBits(wp), /* src PixMap - we copy image over
-                                              * itself - */
-               GetPortBitMapForCopyBits(wp), //  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( wp ) ) ;
-   SetGWorld( origPort , origDev ) ;
-
-   return pict;                  // return our groovy pict handle
+        }
+        
+        OSStatus err = SetIconFamilyData( iconFamily, dataType , data ) ;
+        wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
+
+        err = SetIconFamilyData( iconFamily, maskType , maskdata ) ;
+        wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ;
+        HUnlock( data ) ;
+        HUnlock( maskdata ) ;
+        DisposeHandle( data ) ;
+        DisposeHandle( maskdata ) ;
+    }
+    else
+    {
+        PicHandle pic = wxMacCreatePicHandle( bitmap ) ;
+        SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ;
+        KillPicture( pic ) ;
+    }
+    return iconFamily ;
+}
+
+IconRef wxMacCreateIconRef(const wxBitmap& bmp)
+{
+    IconFamilyHandle iconFamily = wxMacCreateIconFamily( bmp ) ;
+    if ( iconFamily == NULL )
+        return NULL ;
+        
+    IconRef iconRef ;
+    static int iconCounter = 2 ;
+    
+    OSStatus err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &iconRef ) ;
+    UInt16 owners ;
+    err = GetIconRefOwners(iconRef , &owners ) ;
+
+    wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
+    // we have to retain a reference, as Unregister will decrement it 
+    AcquireIconRef( iconRef ) ;
+    UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ;
+    DisposeHandle( (Handle) iconFamily ) ;
+    ++iconCounter ;
+    
+    return iconRef ;
+}
+
+PicHandle wxMacCreatePicHandle( const wxBitmap &bmp )
+{
+    CGrafPtr        origPort = NULL ;
+    GDHandle        origDev = NULL ;
+    PicHandle       pict = NULL ;
+    GWorldPtr       wp = NULL ;
+    GWorldPtr       mask = NULL ;
+    int height = bmp.GetHeight() ;
+    int width = bmp.GetWidth() ;
+    
+    Rect rect = { 0 , 0 , height , width } ;
+
+    GetGWorld( &origPort , &origDev ) ;
+
+    wp = (GWorldPtr) bmp.GetHBITMAP( (WXHBITMAP*) &mask ) ;
+
+    RgnHandle clipRgn = NULL ;
+
+    if ( mask )
+    {
+        GWorldPtr monoworld ;
+        clipRgn = NewRgn() ;
+        OSStatus err = NewGWorld( &monoworld , 1 , &rect , NULL , NULL , 0 ) ;
+        LockPixels( GetGWorldPixMap( monoworld ) ) ;
+        LockPixels( GetGWorldPixMap( mask ) ) ;
+        SetGWorld( monoworld , NULL ) ;
+        RGBColor       white = { 0xffff ,0xffff , 0xffff } ;
+        RGBColor       black = { 0x0000 ,0x0000 , 0x0000 } ;
+        RGBForeColor( &black ) ;
+        RGBBackColor( &white ) ;
+        CopyBits(GetPortBitMapForCopyBits(mask),
+                GetPortBitMapForCopyBits(monoworld),
+                &rect,
+                &rect,
+                srcCopy,NULL);
+        BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ;
+        UnlockPixels( GetGWorldPixMap( monoworld ) ) ;
+        UnlockPixels( GetGWorldPixMap( mask ) ) ;
+        DisposeGWorld( monoworld ) ;
+    }
+
+    SetGWorld( wp , NULL ) ;
+    Rect portRect ;
+    GetPortBounds( wp , &portRect ) ;
+    pict = OpenPicture(&portRect);
+    
+    if(pict)
+    {
+        RGBColor       white = { 0xffff ,0xffff , 0xffff } ;
+        RGBColor       black = { 0x0000 ,0x0000 , 0x0000 } ;
+        RGBForeColor( &black ) ;
+        RGBBackColor( &white ) ;
+
+        if ( clipRgn )
+            SetClip( clipRgn ) ;
+
+        LockPixels( GetGWorldPixMap( wp ) ) ;
+        CopyBits(GetPortBitMapForCopyBits(wp),
+                GetPortBitMapForCopyBits(wp),
+                &portRect,
+                &portRect,
+                srcCopy,clipRgn);
+        UnlockPixels( GetGWorldPixMap( wp ) ) ;
+        ClosePicture();
+    }
+    SetGWorld( origPort , origDev ) ;
+    if ( clipRgn )
+        DisposeRgn( clipRgn ) ;
+
+    return pict;
+}
+
+void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )
+{
+    memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
+    if ( bitmap.Ok() )
+    {
+        wxBitmapRefData * bmap = (wxBitmapRefData*) ( bitmap.GetRefData()) ;
+        if ( bmap == NULL )
+            return ;
+        info->contentType = kControlContentIconRef ;
+        info->u.iconRef = wxMacCreateIconRef( bitmap ) ;
+        wxASSERT_MSG( info->u.iconRef , wxT("Converting to IconRef not possible") ) ;
+#if wxMAC_USE_CORE_GRAPHICS              
+        /*
+            // only on 10.4 more controls will accept a CGImage
+        
+            info->contentType = kControlContentCGImageRef ;
+            info->u.imageRef = (CGImageRef) bmap->CGImageCreate() ;
+        */
+#endif
+    }
+}
+
+void wxMacReleaseBitmapButton( ControlButtonContentInfo*info )
+{
+    if ( info->contentType == kControlContentIconRef )
+    {
+        ReleaseIconRef(info->u.iconRef) ;
+    }
+#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
+    else if ( info->contentType == kControlContentCGImageRef )
+    {
+        CGImageRelease( info->u.imageRef ) ;
+    }
+#endif
+    else
+    {
+        wxFAIL_MSG(wxT("Unexpected bitmap type") ) ;
+    }
+}
+
+#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
+
+void wxBitmapRefData::Init()
+{
+    m_width = 0 ;
+    m_height = 0 ;
+    m_depth = 0 ;
+    m_ok = false ;
+    m_bitmapMask = NULL ;
+#if wxMAC_USE_CORE_GRAPHICS
+    m_cgImageRef = NULL ;
+#endif
+    m_hBitmap = NULL ;
+    m_hMaskBitmap = NULL;
+    m_maskBytesPerRow = NULL ;
+
+    m_rawAccessCount = 0 ;
+    m_hasAlpha = false;

 }
 
 wxBitmapRefData::wxBitmapRefData()
 {
 }
 
 wxBitmapRefData::wxBitmapRefData()
 {

-    m_ok = FALSE;
-    m_width = 0;
-    m_height = 0;
-    m_depth = 0;
-    m_quality = 0;
-    m_numColors = 0;
-    m_bitmapMask = NULL;
+    Init() ;
+}
+
+wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) 
+{
+    Init() ;
+    Create( w , h , d ) ;
+}
+
+bool wxBitmapRefData::Create( int w , int h , int d ) 
+{
+    m_width = w ;
+    m_height = h ; 
+    m_depth = d ;
+
+    m_bytesPerRow = w * 4 ;
+    size_t size = m_bytesPerRow * h ;
+    void*  data = m_memBuf.GetWriteBuf(size) ;
+    memset( data ,  0 , size) ;
+    m_memBuf.UngetWriteBuf(size) ;
+

     m_hBitmap = NULL ;
     m_hBitmap = NULL ;

-    m_hPict = NULL ;
-    m_hIcon = NULL ;
-    m_bitmapType = kMacBitmapTypeUnknownType ;
+    Rect rect = { 0 , 0 , m_height , m_width } ;
+    verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
+        (char*) data , m_bytesPerRow ) ) ; 
+    wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ;
+    m_ok = ( m_hBitmap != NULL ) ;
+
+    return m_ok ;   

 }
 
 }
 

-wxBitmapRefData::~wxBitmapRefData()
+void wxBitmapRefData::UseAlpha( bool use )
+{
+    if ( m_hasAlpha == use )
+        return ;
+        
+    m_hasAlpha = use ;
+    if ( m_hasAlpha )
+    {
+        int width = GetWidth() ;
+        int height = GetHeight() ;
+        m_maskBytesPerRow = ( width * 4 + 3 ) & 0xFFFFFFC ;
+        size_t size = height * m_maskBytesPerRow ;
+        unsigned char * data = (unsigned char * ) m_maskMemBuf.GetWriteBuf( size ) ;
+        memset( data , 0 , size ) ;
+        wxASSERT( m_hMaskBitmap == NULL ) ;
+        Rect rect = { 0 , 0 , height , width } ;
+        verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hMaskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
+            (char*) data , m_maskBytesPerRow ) ) ; 
+        wxASSERT_MSG( m_hMaskBitmap , wxT("Unable to create GWorld context for alpha mask") ) ;
+        m_maskMemBuf.UngetWriteBuf(size) ;
+#if !wxMAC_USE_CORE_GRAPHICS
+        UpdateAlphaMask() ;
+#endif
+    }
+    else
+    {
+        DisposeGWorld( m_hMaskBitmap ) ;
+        m_hMaskBitmap = NULL ;
+        m_maskBytesPerRow = 0 ;
+    }
+}
+
+void *wxBitmapRefData::GetRawAccess() const
+{
+    wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+    return m_memBuf.GetData() ;
+}
+
+void *wxBitmapRefData::BeginRawAccess() 
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ;
+    wxASSERT( m_rawAccessCount == 0 ) ;
+    ++m_rawAccessCount ;
+#if wxMAC_USE_CORE_GRAPHICS
+     // we must destroy an existing cached image, as
+    // the bitmap data may change now
+    if ( m_cgImageRef )
+    {
+        CGImageRelease( m_cgImageRef ) ;
+        m_cgImageRef = NULL ;
+    }
+#endif
+    return m_memBuf.GetData() ;
+}
+
+void wxBitmapRefData::EndRawAccess()

 {
 {

-       switch (m_bitmapType)
-       {
-               case kMacBitmapTypePict :
-                       {
-                               if ( m_hPict )
-                               {
-                                       KillPicture( m_hPict ) ;
-                                       m_hPict = NULL ;
-                               }
-                       }
-                       break ;
-               case kMacBitmapTypeGrafWorld :
-                       {
-                               if ( m_hBitmap )
-                               {
-                                       wxMacDestroyGWorld( m_hBitmap ) ;
-                                       m_hBitmap = NULL ;
-                               }
-                       }
-                       break ;
-               case kMacBitmapTypeIcon :
-               if ( m_hIcon )
-               {
-                       DisposeCIcon( m_hIcon ) ;
-                       m_hIcon = NULL ;
-               }
-               
-               default :
-                       // unkown type ?
-                       break ;
-       }
-       
-  if (m_bitmapMask)
-  {
-    delete m_bitmapMask;
-    m_bitmapMask = NULL;
-  }
-}
-
-wxList wxBitmapBase::sm_handlers;
+    wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
+    wxASSERT( m_rawAccessCount == 1 ) ;
+    --m_rawAccessCount ;
+#if !wxMAC_USE_CORE_GRAPHICS
+    UpdateAlphaMask() ;
+#endif
+}

 
 
 
 

+#if wxMAC_USE_CORE_GRAPHICS
+void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size)
+{
+    wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
+    wxASSERT( data == membuf->GetData() ) ;
+    delete membuf ;
+}
+
+CGImageRef wxBitmapRefData::CGImageCreate() const
+{
+    wxASSERT( m_ok ) ;
+    wxASSERT( m_rawAccessCount >= 0 ) ;
+    CGImageRef image ;
+    if ( m_rawAccessCount > 0 || m_cgImageRef == NULL )
+    {
+        size_t imageSize = m_width * m_height * 4 ;
+        void * dataBuffer = m_memBuf.GetData() ;
+        int w = m_width ;
+        int h = m_height ;
+        CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ;
+        wxMemoryBuffer* membuf = NULL ;
+       
+        if ( m_bitmapMask )
+        {
+            membuf = new wxMemoryBuffer( imageSize ) ;
+            memcpy( membuf->GetData() , dataBuffer , imageSize ) ;
+            unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ;
+            int maskrowbytes = m_bitmapMask->GetBytesPerRow() ;
+            unsigned char *destalpha = (unsigned char *) membuf->GetData() ;
+            alphaInfo = kCGImageAlphaFirst ;
+            for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes)
+            {
+                unsigned char *sourcemask = sourcemaskstart ;
+                for( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 )
+                {
+                    *destalpha = *sourcemask ;
+                }
+            }
+        }
+        else if ( m_hasAlpha )
+        {
+#if wxMAC_USE_PREMULTIPLIED_ALPHA
+            alphaInfo = kCGImageAlphaPremultipliedFirst ;
+#else
+            alphaInfo = kCGImageAlphaFirst ;
+#endif
+            membuf = new wxMemoryBuffer( m_memBuf ) ;
+        }
+        else
+        {
+            membuf = new wxMemoryBuffer( m_memBuf ) ;
+        }
+        CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
+       CGDataProviderRef dataProvider = 
+           CGDataProviderCreateWithData( membuf , (const void *)membuf->GetData() , imageSize, 
+               wxMacMemoryBufferReleaseProc );
+        image = 
+           ::CGImageCreate( w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo , 
+                       dataProvider, NULL , false , kCGRenderingIntentDefault );
+       CGDataProviderRelease( dataProvider);
+    }
+    else
+    {
+        image = m_cgImageRef ;
+        CGImageRetain( image ) ;
+    }
+    if ( m_rawAccessCount == 0 && m_cgImageRef == NULL)
+    {
+        // we keep it for later use
+        m_cgImageRef = image ;
+        CGImageRetain( image ) ;
+    } 
+    return image ;
+}
+#endif
+
+GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+    if ( mask )
+    {
+        *mask = NULL ;
+        if ( m_bitmapMask )
+            *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ;        
+        else if ( m_hasAlpha )
+        {
+#if !wxMAC_USE_CORE_GRAPHICS
+            if ( m_rawAccessCount > 0 )
+                UpdateAlphaMask() ;
+#else
+            // this structure is not kept in synch when using CG, so if someone
+            // is really accessing the Graphports, we have to sync it
+            UpdateAlphaMask() ;
+#endif
+            *mask = m_hMaskBitmap ;
+        }
+    }
+    return m_hBitmap ;
+}
+
+void wxBitmapRefData::UpdateAlphaMask() const 
+{
+    if ( m_hasAlpha )
+    {
+        unsigned char *sourcemask = (unsigned char *) GetRawAccess() ;
+        unsigned char *destalphabase = (unsigned char *) m_maskMemBuf.GetData() ;
+     
+        int h = GetHeight() ;
+        int w = GetWidth() ;
+     
+        for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow )
+        {
+            unsigned char* destalpha = destalphabase ;
+            for( int x = 0 ; x < w ; ++x , sourcemask += 4 )
+            {
+                // we must have 24 bit depth for non quartz smooth alpha
+                *destalpha++ = 255 ;
+                *destalpha++ = 255  - *sourcemask ;
+                *destalpha++ = 255  - *sourcemask ;
+                *destalpha++ = 255  - *sourcemask ;
+            }
+        }
+    }
+}
+
+void wxBitmapRefData::Free()
+{
+    wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
+
+#if wxMAC_USE_CORE_GRAPHICS
+    if ( m_cgImageRef )
+    {
+        CGImageRelease( m_cgImageRef ) ;
+        m_cgImageRef = NULL ;
+    }
+#endif
+    if ( m_hBitmap )
+    {
+        DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ;
+        m_hBitmap = NULL ;
+    }
+    if ( m_hMaskBitmap )
+    {
+        DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ;
+        m_hMaskBitmap = NULL ;
+    }
+
+    if (m_bitmapMask)
+    {
+        delete m_bitmapMask;
+        m_bitmapMask = NULL;
+    }
+}
+
+wxBitmapRefData::~wxBitmapRefData()
+{
+    Free() ;
+}
+

 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 {
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 {

-    Ref(icon) ;
+    int w = icon.GetWidth() ;
+    int h = icon.GetHeight() ;
+    Create( icon.GetWidth() , icon.GetHeight() ) ;
+
+    if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) )
+    {
+        IconFamilyHandle iconFamily = NULL ;
+        Handle imagehandle = NewHandle(0) ;
+        Handle maskhandle = NewHandle(0) ;
+        
+        OSType maskType = 0;
+        OSType dataType = 0;
+        IconSelectorValue selector = 0 ;    
+        if ( w == 128 )
+        {
+            dataType = kThumbnail32BitData ;
+            maskType = kThumbnail8BitMask ;
+            selector = kSelectorAllAvailableData ;
+        }
+        else if ( w == 48 )
+        {
+            dataType = kHuge32BitData ;
+            maskType = kHuge8BitMask ;
+            selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ;
+        }
+        else if ( w == 32 )
+        {
+            dataType = kLarge32BitData ;
+            maskType = kLarge8BitMask ;
+            selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ;
+        }
+        else if ( w == 16 )
+        {
+            dataType = kSmall32BitData ;
+            maskType = kSmall8BitMask ;
+            selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ;
+        }
+        else
+        {
+            wxFAIL_MSG(wxT("Illegal icon size for conversion") ) ;
+        }
+
+
+        OSStatus err = ( IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ) ;
+        
+        err =( GetIconFamilyData( iconFamily , dataType , imagehandle ) ) ;
+        err =( GetIconFamilyData( iconFamily , maskType , maskhandle ) ) ;
+        wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ;
+        wxASSERT( GetHandleSize( maskhandle ) == w * h ) ;
+        UseAlpha() ;
+        unsigned char *source = (unsigned char *) *imagehandle ;
+        unsigned char *sourcemask = (unsigned char *) *maskhandle ;
+        
+        unsigned char* destination = (unsigned char*) BeginRawAccess() ;
+        for ( int y = 0 ; y < h ; ++y )
+        {
+            for ( int x = 0 ; x < w ; ++x )
+            {
+                *destination++ = *sourcemask++ ;
+                source++ ;
+                *destination++ = *source++ ;
+                *destination++ = *source++ ;
+                *destination++ = *source++ ;
+            }
+        }
+        EndRawAccess() ;
+        DisposeHandle( imagehandle ) ;
+        DisposeHandle( maskhandle ) ;
+    }
+    else
+    {            
+        wxMemoryDC dc ;
+        dc.SelectObject( *this ) ;
+        dc.DrawIcon( icon , 0 , 0 ) ;
+        dc.SelectObject( wxNullBitmap ) ;
+    }

     return true;
 }
 
 wxBitmap::wxBitmap()
 {
     return true;
 }
 
 wxBitmap::wxBitmap()
 {

-    m_refData = NULL;
-
-    if ( wxTheBitmapList )
-        wxTheBitmapList->AddBitmap(this);

 }
 
 wxBitmap::~wxBitmap()
 {
 }
 
 wxBitmap::~wxBitmap()
 {

-    if (wxTheBitmapList)
-        wxTheBitmapList->DeleteObject(this);

 }
 
 wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
 {
 }
 
 wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
 {

-    m_refData = new wxBitmapRefData;
+    m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ;

 
 

-    M_BITMAPDATA->m_width = the_width ;
-    M_BITMAPDATA->m_height = the_height ;
-    M_BITMAPDATA->m_depth = no_bits ;
-    M_BITMAPDATA->m_numColors = 0;

     if ( no_bits == 1 )
     {
     if ( no_bits == 1 )
     {

-        M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
-        M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
-        M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
-       
-        CGrafPtr       origPort ;
-        GDHandle       origDevice ;
-       
-        GetGWorld( &origPort , &origDevice ) ;
-        SetGWorld( M_BITMAPDATA->m_hBitmap , NULL ) ;
-        LockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
-       
-        // 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);
         }
         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
         if ( the_width % (sizeof(unsigned char) * 8) ) {
             linesize += sizeof(unsigned char);
         }

-       
-        RGBColor colors[2] = { 
-            { 0xFFFF , 0xFFFF , 0xFFFF } ,
-            { 0, 0 , 0 } 
-        } ;
-       
+        unsigned char* linestart = (unsigned char*) bits ;
+        unsigned char* destination = (unsigned char*) BeginRawAccess() ;

         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 )


@@ -306,50 +693,69 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
                 int mask = 1 << bit ;
                 if ( linestart[index] & mask )
                 {
                 int mask = 1 << bit ;
                 if ( linestart[index] & mask )
                 {

-                    SetCPixel( x , y , &colors[1] ) ;
+                    *destination++ = 0xFF ;
+                    *destination++ = 0 ;
+                    *destination++ = 0 ;
+                    *destination++ = 0 ;

                 }
                 else
                 {
                 }
                 else
                 {

-                    SetCPixel( x , y , &colors[0] ) ;
+                    *destination++ = 0xFF ;
+                    *destination++ = 0xFF ;
+                    *destination++ = 0xFF ;
+                    *destination++ = 0xFF ;

                 }
             }
         }
                 }
             }
         }

-        UnlockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
-       
-        SetGWorld( origPort , origDevice ) ;
+        EndRawAccess() ;

     }
     else
     {
         wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
     }
     }
     else
     {
         wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
     }

-    
-    if ( wxTheBitmapList ) {
-        wxTheBitmapList->AddBitmap(this);
-    }

 }
 
 wxBitmap::wxBitmap(int w, int h, int d)
 {
     (void)Create(w, h, d);
 }
 
 wxBitmap::wxBitmap(int w, int h, int d)
 {
     (void)Create(w, h, d);

-
-    if ( wxTheBitmapList )
-        wxTheBitmapList->AddBitmap(this);

 }
 
 wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth)
 {
     (void) Create(data, type, width, height, depth);
 }
 
 wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth)
 {
     (void) Create(data, type, width, height, depth);

-
-    if ( wxTheBitmapList )
-        wxTheBitmapList->AddBitmap(this);

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

+}
+
+wxBitmap::wxBitmap(const char **bits)
+{
+    (void) CreateFromXpm(bits);
+}

 
 

-    if ( wxTheBitmapList )
-        wxTheBitmapList->AddBitmap(this);
+wxBitmap::wxBitmap(char **bits)
+{
+    (void) CreateFromXpm((const char **)bits);
+}
+
+void* wxBitmap::GetRawAccess() const
+{
+    wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+    return M_BITMAPDATA->GetRawAccess() ;
+}
+
+void* wxBitmap::BeginRawAccess() 
+{
+    wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+    return M_BITMAPDATA->BeginRawAccess() ;
+}
+
+void wxBitmap::EndRawAccess()
+{
+    wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
+    M_BITMAPDATA->EndRawAccess() ;

 }
 
 bool wxBitmap::CreateFromXpm(const char **bits)
 }
 
 bool wxBitmap::CreateFromXpm(const char **bits)


@@ -357,139 +763,85 @@ 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);   
-    if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this);
+    wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
+    *this = wxBitmap(img);

     return TRUE;
 }
 
     return TRUE;
 }
 

-wxBitmap::wxBitmap(const char **bits)
-{
-    (void) CreateFromXpm(bits);
-}
-
-wxBitmap::wxBitmap(char **bits)
+#if wxMAC_USE_CORE_GRAPHICS
+WXCGIMAGEREF wxBitmap::CGImageCreate() const

 {
 {

-    (void) CreateFromXpm((const char **)bits);
+    wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+    return M_BITMAPDATA->CGImageCreate() ;

 }
 }

+#endif

 
 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 {
 
 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 {

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

                 (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") );
-
-   WXHBITMAP origPort;
-   GDHandle  origDevice;
-
-   GetGWorld( &origPort, &origDevice );
-
-   // Update the subbitmaps reference data
-   wxBitmapRefData *ref = (wxBitmapRefData *)ret.GetRefData();
-
-   ref->m_numColors     = M_BITMAPDATA->m_numColors;
-   ref->m_bitmapPalette = M_BITMAPDATA->m_bitmapPalette;
-   ref->m_bitmapType    = M_BITMAPDATA->m_bitmapType;
-
-   // Copy sub region of this bitmap
-   if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict)
-   {
-       printf("GetSubBitmap:  Copy a region of a Pict structure - TODO\n");
-   }
-   else if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypeGrafWorld)
-   {
-       // Copy mask
-       if(GetMask())
-       {
-           WXHBITMAP submask, mask;
-           RGBColor  color;
-
-           mask = GetMask()->GetMaskBitmap();
-           submask = wxMacCreateGWorld(rect.width, rect.height, 1);
-           LockPixels(GetGWorldPixMap(mask));
-           LockPixels(GetGWorldPixMap(submask));
-
-           for(int yy = 0; yy < rect.height; yy++)
-           {
-               for(int xx = 0; xx < rect.width; xx++)
-               {
-                   SetGWorld(mask, NULL);
-                   GetCPixel(rect.x + xx, rect.y + yy, &color);
-                   SetGWorld(submask, NULL);
-                   SetCPixel(xx,yy, &color);
-               }
-           }
-           UnlockPixels(GetGWorldPixMap(mask));
-           UnlockPixels(GetGWorldPixMap(submask));
-           ref->m_bitmapMask = new wxMask;
-           ref->m_bitmapMask->SetMaskBitmap(submask);
-       }
-
-       // Copy bitmap
-       if(GetHBITMAP())
-       {
-           WXHBITMAP subbitmap, bitmap;
-           RGBColor  color;
-
-           bitmap = GetHBITMAP();
-           subbitmap = wxMacCreateGWorld(rect.width, rect.height, GetDepth());
-           LockPixels(GetGWorldPixMap(bitmap));
-           LockPixels(GetGWorldPixMap(subbitmap));
-
-           for(int yy = 0; yy < rect.height; yy++)
-           {
-               for(int xx = 0; xx < rect.width; xx++)
-               {
-                   SetGWorld(bitmap, NULL);
-                   GetCPixel(rect.x + xx, rect.y + yy, &color);
-                   SetGWorld(subbitmap, NULL);
-                   SetCPixel(xx, yy, &color);
-               }
-           }
-           UnlockPixels(GetGWorldPixMap(bitmap));
-           UnlockPixels(GetGWorldPixMap(subbitmap));
-           ret.SetHBITMAP(subbitmap);
-       }
-   }
-   SetGWorld( origPort, origDevice );
-
-   return ret;
-}

 
 

-bool wxBitmap::Create(int w, int h, int d)
-{
-    UnRef();
+    wxBitmap ret( rect.width, rect.height, GetDepth() );
+    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );

 
 

-    m_refData = new wxBitmapRefData;

 
 

-    M_BITMAPDATA->m_width = w;
-    M_BITMAPDATA->m_height = h;
-    M_BITMAPDATA->m_depth = d;
+    int sourcewidth = GetWidth() ;
+    int destwidth = rect.width ;
+    int destheight = rect.height ;
+    {
+        unsigned char * sourcedata = (unsigned char*) GetRawAccess() ;
+        unsigned char * destdata = (unsigned char*) ret.BeginRawAccess() ;
+        int sourcelinesize = sourcewidth * 4 ;
+        int destlinesize = destwidth * 4 ;
+        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)
+        {
+            memcpy( dest , source , destlinesize ) ;
+        }
+    }
+    ret.EndRawAccess() ;
+  
+    if ( M_BITMAPDATA->m_bitmapMask )
+    {
+        wxMemoryBuffer maskbuf ;
+        int rowBytes = ( destwidth + 3 ) & 0xFFFFFFC ;
+        size_t maskbufsize = rowBytes * destheight ;
+        unsigned char * destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
+
+        int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow()  ;
+        int destlinesize = rowBytes ;
+        unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ;
+        source += rect.x + 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 ) ;
+        ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
+    }
+    else if ( HasAlpha() )
+        ret.UseAlpha() ;

 
 

-    M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
-    M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ;
-    M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
-    return M_BITMAPDATA->m_ok;
+    return ret;

 }
 
 }
 

-int wxBitmap::GetBitmapType() const
+bool wxBitmap::Create(int w, int h, int d)

 {
 {

-   wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") );
+    UnRef();

 
 

-   return M_BITMAPDATA->m_bitmapType;
-}
+    if ( d < 0 )
+        d = wxDisplayDepth() ;

 
 

-void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
-{
-    M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
-    M_BITMAPDATA->m_hBitmap = bmp ;
-       M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
+    m_refData = new wxBitmapRefData( w , h , d );
+
+    return M_BITMAPDATA->Ok() ;

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


@@ -500,7 +852,7 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
 
     if ( handler )
     {
 
     if ( handler )
     {

-       m_refData = new wxBitmapRefData;
+        m_refData = new wxBitmapRefData;

 
         return handler->LoadFile(this, filename, type, -1, -1);
     }
 
         return handler->LoadFile(this, filename, type, -1, -1);
     }


@@ -512,7 +864,7 @@ 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;
 }
 


@@ -525,7 +877,7 @@ 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;
     }


@@ -536,87 +888,71 @@ bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int
 wxBitmap::wxBitmap(const wxImage& image, int depth)
 {
     wxCHECK_RET( image.Ok(), wxT("invalid image") )
 wxBitmap::wxBitmap(const wxImage& image, int depth)
 {
     wxCHECK_RET( image.Ok(), wxT("invalid image") )

-    wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
-
-    m_refData = new wxBitmapRefData();
-      
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 
     // 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();
 

+    m_refData = new wxBitmapRefData( width , height , depth ) ;;
+

     // Create picture
 
     // Create picture
 

-    Create( width , height , 32 ) ;
+    bool hasAlpha = false ;

     
     

-    CGrafPtr origPort ;
-    GDHandle origDevice ;
-
-    PixMapHandle pixMap = GetGWorldPixMap(GetHBITMAP()) ;
-    LockPixels( pixMap );
-
-    GetGWorld( &origPort , &origDevice ) ;
-    SetGWorld( GetHBITMAP() , NULL ) ;
+    if ( image.HasMask() )
+    {
+        // takes precedence, don't mix with alpha info
+    }
+    else
+    {
+        hasAlpha = image.HasAlpha() ;
+    }

     
     

-    // Render image
-    RGBColor colorRGB ;
+    if ( hasAlpha )
+        UseAlpha() ;
+        
+    unsigned char* destination = (unsigned char*) BeginRawAccess() ;

 
     register unsigned char* data = image.GetData();
 
     register unsigned char* data = image.GetData();

-    char* destinationBase = GetPixBaseAddr( pixMap );
-    register unsigned char* destination = (unsigned char*) destinationBase ;
+    const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;

     for (int y = 0; y < height; y++)
     {
         for (int x = 0; x < width; x++)
         {
     for (int y = 0; y < height; y++)
     {
         for (int x = 0; x < width; x++)
         {

-            *destination++ = 0 ;
-            *destination++ = *data++ ;              
-            *destination++ = *data++ ;              
-            *destination++ = *data++ ;              
+            if ( hasAlpha )
+            {
+                const unsigned char a = *alpha++;
+                *destination++ = a ;
+#if wxMAC_USE_PREMULTIPLIED_ALPHA
+                *destination++ = ((*data++) * a + 127 ) / 255 ;
+                *destination++ = ((*data++) * a + 127 ) / 255 ;
+                *destination++ = ((*data++) * a + 127 ) / 255 ;
+#else
+                *destination++ = *data++ ;
+                *destination++ = *data++ ;
+                *destination++ = *data++ ;
+#endif
+            }
+            else
+            {
+                *destination++ = 0xFF ;
+                *destination++ = *data++ ;
+                *destination++ = *data++ ;
+                *destination++ = *data++ ;
+            }

         }
         }

-        destinationBase += ((**pixMap).rowBytes & 0x7fff);  
-        destination = (unsigned char*) destinationBase ;    
-    }  
+    }
+    EndRawAccess() ;

     if ( image.HasMask() )
     {
     if ( image.HasMask() )
     {

-      data = image.GetData(); 
-      
-      wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
-      RGBColor white = { 0xffff, 0xffff, 0xffff };
-      RGBColor black = { 0     , 0     , 0      };
-      wxBitmap maskBitmap ;
-
-      maskBitmap.Create( width, height, 1);
-      LockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
-      SetGWorld(maskBitmap.GetHBITMAP(), NULL);
-
-      for (int y = 0; y < height; y++)
-      {
-          for (int x = 0; x < width; x++)
-          {
-              if ( data[0] == image.GetMaskRed() && data[1] == image.GetMaskGreen() && data[2] == image.GetMaskBlue() )
-              {
-                SetCPixel(x,y, &white);
-              }
-              else {
-                      SetCPixel(x,y, &black);
-              }
-              data += 3 ;
-          }
-      }  // for height
-      SetGWorld(GetHBITMAP(), NULL);
-      SetMask(new wxMask( maskBitmap ));
-      UnlockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
+        SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;

     }
     }

-    
-    UnlockPixels( GetGWorldPixMap(GetHBITMAP()) );
-    SetGWorld( origPort, origDevice );

 }
 
 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


@@ -625,57 +961,75 @@ wxImage wxBitmap::ConvertToImage() const
     image.Create( width, height );
 
     unsigned char *data = image.GetData();
     image.Create( width, height );
 
     unsigned char *data = image.GetData();

-

     wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
 
     wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
 

-    WXHBITMAP origPort;
-    GDHandle  origDevice;
-    int      index;
-    RGBColor color;
-    // background color set to RGB(16,16,16) in consistent with wxGTK
-    unsigned char mask_r=16, mask_g=16, mask_b=16;
-    SInt16   r,g,b;
-    wxMask  *mask = GetMask();
-
-    GetGWorld( &origPort, &origDevice );
-    LockPixels(GetGWorldPixMap(GetHBITMAP()));
-    SetGWorld( GetHBITMAP(), NULL);
-
-    // Copy data into image
-    index = 0;
+    unsigned char* source = (unsigned char*) GetRawAccess() ;
+
+    bool hasAlpha = false ;
+    bool hasMask = false ;
+    unsigned char *alpha = NULL ;
+    unsigned char *mask = NULL ;
+    if ( HasAlpha() )
+    {
+        hasAlpha = true ;
+    }
+
+    if ( GetMask() )
+    {
+        hasMask = true ;
+        mask = (unsigned char*) GetMask()->GetRawAccess() ;
+    }
+
+    if ( hasAlpha )
+    {
+        image.SetAlpha() ;
+        alpha = image.GetAlpha() ;
+    }
+    int index = 0;
+    
+    // The following masking algorithm is the same as well in msw/gtk:
+    // the colour used as transparent one in wxImage and the one it is
+    // replaced with when it really occurs in the bitmap
+    static const int MASK_RED = 1;
+    static const int MASK_GREEN = 2;
+    static const int MASK_BLUE = 3;
+    static const int MASK_BLUE_REPLACEMENT = 2;
+

     for (int yy = 0; yy < height; yy++)
     {
         for (int xx = 0; xx < width; xx++)
         {
     for (int yy = 0; yy < height; yy++)
     {
         for (int xx = 0; xx < width; xx++)
         {

-            GetCPixel(xx,yy, &color);
-            r = ((color.red ) >> 8);
-            g = ((color.green ) >> 8);
-            b = ((color.blue ) >> 8);
-            data[index    ] = r;
-            data[index + 1] = g;
-            data[index + 2] = b;
-            if (mask)
+            long color = *((long*) source) ;
+            unsigned char a = ((color&0xFF000000) >> 24) ;
+            unsigned char r = ((color&0x00FF0000) >> 16) ;
+            unsigned char g = ((color&0x0000FF00) >> 8) ;
+            unsigned char b = (color&0x000000FF);
+            if ( hasMask )

             {
             {

-                if (mask->PointMasked(xx,yy))
+                if ( *mask++ == 0 )

                 {
                 {

-                    data[index    ] = mask_r;
-                    data[index + 1] = mask_g;
-                    data[index + 2] = mask_b;
+                    if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
+                        b = MASK_BLUE_REPLACEMENT ;
+                    else
+                    {
+                        r = MASK_RED ;
+                        g = MASK_GREEN ;
+                        b = MASK_BLUE ;
+                    }

                 }
             }
                 }
             }

+            else if ( hasAlpha )
+                *alpha++ = a ;
+
+            data[index    ] = r ;
+            data[index + 1] = g ;
+            data[index + 2] = b ;

             index += 3;
             index += 3;

+            source += 4 ;

         }
     }
         }
     }

-    if (mask)
-    {
-        image.SetMaskColour( mask_r, mask_g, mask_b );
-        image.SetMask( true );
-    }
-
-    // Free resources
-    UnlockPixels(GetGWorldPixMap(GetHBITMAP()));
-    SetGWorld(origPort, origDevice);
-
+    if ( hasMask )
+        image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );

     return image;
 }
 
     return image;
 }
 


@@ -695,44 +1049,46 @@ 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;
 }
 
 bool wxBitmap::Ok() const
 {
     return false;
 }
 
 bool wxBitmap::Ok() const
 {

-   return (M_BITMAPDATA && M_BITMAPDATA->m_ok);
+   return (M_BITMAPDATA && M_BITMAPDATA->Ok());

 }
 
 int wxBitmap::GetHeight() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
 }
 
 int wxBitmap::GetHeight() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 

-   return M_BITMAPDATA->m_height;
+   return M_BITMAPDATA->GetHeight();

 }
 
 int wxBitmap::GetWidth() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
 }
 
 int wxBitmap::GetWidth() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 

-   return M_BITMAPDATA->m_width;
+   return M_BITMAPDATA->GetWidth() ;

 }
 
 int wxBitmap::GetDepth() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
 }
 
 int wxBitmap::GetDepth() const
 {
    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 

-   return M_BITMAPDATA->m_depth;
+   return M_BITMAPDATA->GetDepth();

 }
 
 }
 

+#if WXWIN_COMPATIBILITY_2_4
+

 int wxBitmap::GetQuality() const
 {
 int wxBitmap::GetQuality() const
 {

-   wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
-
-   return M_BITMAPDATA->m_quality;
+    return 0;

 }
 
 }
 

+#endif
+

 wxMask *wxBitmap::GetMask() const
 {
    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 wxMask *wxBitmap::GetMask() const
 {
    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );


@@ -740,12 +1096,19 @@ wxMask *wxBitmap::GetMask() const
    return M_BITMAPDATA->m_bitmapMask;
 }
 
    return M_BITMAPDATA->m_bitmapMask;
 }
 

+bool wxBitmap::HasAlpha() const
+{
+   wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") );
+
+   return M_BITMAPDATA->HasAlpha() ;
+}
+

 void wxBitmap::SetWidth(int w)
 {
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 
 void wxBitmap::SetWidth(int w)
 {
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 

-    M_BITMAPDATA->m_width = w;
+    M_BITMAPDATA->SetWidth(w);

 }
 
 void wxBitmap::SetHeight(int h)
 }
 
 void wxBitmap::SetHeight(int h)


@@ -753,7 +1116,7 @@ void wxBitmap::SetHeight(int h)
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 

-    M_BITMAPDATA->m_height = h;
+    M_BITMAPDATA->SetHeight(h);

 }
 
 void wxBitmap::SetDepth(int d)
 }
 
 void wxBitmap::SetDepth(int d)


@@ -761,25 +1124,26 @@ void wxBitmap::SetDepth(int d)
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 

-    M_BITMAPDATA->m_depth = d;
+    M_BITMAPDATA->SetDepth(d);

 }
 
 }
 

-void wxBitmap::SetQuality(int q)
-{
-    if (!M_BITMAPDATA)
-        m_refData = new wxBitmapRefData;
+#if WXWIN_COMPATIBILITY_2_4

 
 

-    M_BITMAPDATA->m_quality = q;
+void wxBitmap::SetQuality(int WXUNUSED(quality))
+{

 }
 
 }
 

+#endif
+

 void wxBitmap::SetOk(bool isOk)
 {
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 
 void wxBitmap::SetOk(bool isOk)
 {
     if (!M_BITMAPDATA)
         m_refData = new wxBitmapRefData;
 

-    M_BITMAPDATA->m_ok = isOk;
+    M_BITMAPDATA->SetOk(isOk);

 }
 
 }
 

+#if wxUSE_PALETTE

 wxPalette *wxBitmap::GetPalette() const
 {
    wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap  GetPalette()") );
 wxPalette *wxBitmap::GetPalette() const
 {
    wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap  GetPalette()") );


@@ -794,6 +1158,7 @@ void wxBitmap::SetPalette(const wxPalette& palette)
 
     M_BITMAPDATA->m_bitmapPalette = palette ;
 }
 
     M_BITMAPDATA->m_bitmapPalette = palette ;
 }

+#endif // wxUSE_PALETTE

 
 void wxBitmap::SetMask(wxMask *mask)
 {
 
 void wxBitmap::SetMask(wxMask *mask)
 {


@@ -801,334 +1166,168 @@ 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 ;
 }
 

-WXHBITMAP wxBitmap::GetHBITMAP() const
+WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const

 {
 {

-   wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
-
-   return M_BITMAPDATA->m_hBitmap;
+    return WXHBITMAP(M_BITMAPDATA->GetHBITMAP((GWorldPtr*)mask));

 }
 
 }
 

-PicHandle wxBitmap::GetPict() const
-{
-   wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
-   
-   PicHandle picture;       // This is the returned picture
-
-   // If bitmap already in Pict format return pointer
-   if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
-       return M_BITMAPDATA->m_hPict;
-   }
-   else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {
-       // 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( GetHBITMAP() , &portRect ) ;
-   int width = portRect.right - portRect.left ;
-   int height = portRect.bottom - portRect.top ;
-
-   LockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ;
-   GetGWorld( &origPort , &origDev ) ;
-
-   mask = GetMask();
-
-   SetGWorld( 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(GetHBITMAP()), 
-                // src PixMap - we copy image over itself -
-                GetPortBitMapForCopyBits(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( GetHBITMAP() ) ) ;
-   SetGWorld( origPort , origDev ) ;
-
-   return picture;                  // return our groovy pict handle
-}
-
-void wxBitmap::AddHandler(wxBitmapHandler *handler)
-{
-    sm_handlers.Append(handler);
-}
-
-void wxBitmap::InsertHandler(wxBitmapHandler *handler)
-{
-    sm_handlers.Insert(handler);
-}
-
-bool wxBitmap::RemoveHandler(const wxString& name)
-{
-    wxBitmapHandler *handler = FindHandler(name);
-    if ( handler )
-    {
-        sm_handlers.DeleteObject(handler);
-        return TRUE;
-    }
-    else
-        return FALSE;
-}
-
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
-{
-    wxNode *node = sm_handlers.First();
-    while ( node )
-    {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
-        if ( handler->GetName() == name )
-            return handler;
-        node = node->Next();
-    }
-    return NULL;
-}
-
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, wxBitmapType type)
-{
-    wxNode *node = sm_handlers.First();
-    while ( node )
-    {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
-        if ( handler->GetExtension() == extension &&
-                    (type == -1 || handler->GetType() == type) )
-            return handler;
-        node = node->Next();
-    }
-    return NULL;
-}
-
-wxBitmapHandler *wxBitmap::FindHandler(wxBitmapType type)
-{
-    wxNode *node = sm_handlers.First();
-    while ( node )
-    {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
-        if (handler->GetType() == type)
-            return handler;
-        node = node->Next();
-    }
-    return NULL;
-}
-
-/*
- * wxMask
- */
+// ----------------------------------------------------------------------------
+// wxMask
+// ----------------------------------------------------------------------------

 
 wxMask::wxMask()
 {
 
 wxMask::wxMask()
 {

-    m_maskBitmap = 0;
+    Init() ;

 }
 
 // Construct a mask from a bitmap and a colour indicating
 // the transparent area
 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 {
 }
 
 // Construct a mask from a bitmap and a colour indicating
 // the transparent area
 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 {

-    m_maskBitmap = 0;
+    Init() ;

     Create(bitmap, colour);
 }
 
     Create(bitmap, colour);
 }
 

-// Construct a mask from a bitmap and a palette index indicating
-// the transparent area
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
+// Construct a mask from a mono bitmap (copies the bitmap).
+wxMask::wxMask(const wxBitmap& bitmap)

 {
 {

-    m_maskBitmap = 0;
-    Create(bitmap, paletteIndex);
+    Init() ;
+    Create(bitmap);

 }
 
 // Construct a mask from a mono bitmap (copies the bitmap).
 }
 
 // Construct a mask from a mono bitmap (copies the bitmap).

-wxMask::wxMask(const wxBitmap& bitmap)
+wxMask::wxMask(const wxMemoryBuffer& data, int width , int height , int bytesPerRow )

 {
 {

-    m_maskBitmap = 0;
-    Create(bitmap);
+    Init() ;
+    Create(data, width , height , bytesPerRow );

 }
 
 wxMask::~wxMask()
 {
 }
 
 wxMask::~wxMask()
 {

-       if ( m_maskBitmap )
-       {
-               wxMacDestroyGWorld( m_maskBitmap ) ;
-               m_maskBitmap = NULL ;
-       }
+    if ( m_maskBitmap )
+    {
+        DisposeGWorld( (GWorldPtr) m_maskBitmap ) ;
+        m_maskBitmap = NULL ;
+    }

 }
 
 }
 

-// Create a mask from a mono bitmap (copies the bitmap).
-bool wxMask::Create(const wxBitmap& bitmap)
+void wxMask::Init() 

 {
 {

-   if ( m_maskBitmap )
-   {
-       wxMacDestroyGWorld( m_maskBitmap ) ;
-       m_maskBitmap = NULL ;
-   }
-   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
-
-   wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
+    m_width = m_height = m_bytesPerRow = 0 ;
+    m_maskBitmap = NULL ;
+}

 
 

-   wxCHECK_MSG(bitmap.GetDepth() == 1, false,
-               wxT("Cannot create mask from colour bitmap"));
+void *wxMask::GetRawAccess() const
+{
+    return m_memBuf.GetData() ;
+}

 
 

-   m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1);
-   Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
+// this can be a k8IndexedGrayPixelFormat GWorld, because it never stores other values than black or white
+// so no rainbox colors will be created by QD when blitting

 
 

-   LockPixels( GetGWorldPixMap(m_maskBitmap) );
-   LockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
-   CopyBits(GetPortBitMapForCopyBits(bitmap.GetHBITMAP()),
-            GetPortBitMapForCopyBits(m_maskBitmap),
-            &rect, &rect, srcCopy, 0);
-   UnlockPixels( GetGWorldPixMap(m_maskBitmap) );
-   UnlockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
+void wxMask::RealizeNative() 
+{
+    if ( m_maskBitmap )
+    {
+       DisposeGWorld(  (GWorldPtr) m_maskBitmap ) ;
+       m_maskBitmap = NULL ;
+    }
+    Rect rect = { 0 , 0 , m_height , m_width } ;
+    verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_maskBitmap , k8IndexedGrayPixelFormat , &rect , NULL , NULL , 0 ,
+        (char*) m_memBuf.GetData() , m_bytesPerRow ) ) ; 
+}

 
 

-   return FALSE;
+// Create a mask from a mono bitmap (copies the bitmap).
+bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow)
+{
+    m_memBuf = data ;
+    m_width = width ;
+    m_height = height ;
+    m_bytesPerRow = bytesPerRow ;
+    wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ;
+    RealizeNative() ;
+    return true ;

 }
 
 }
 

-// Create a mask from a bitmap and a palette index indicating
-// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+// Create a mask from a mono bitmap (copies the bitmap).
+bool wxMask::Create(const wxBitmap& bitmap)

 {
 {

-// TODO
-    wxCHECK_MSG( 0, false, wxT("Not implemented"));
-    return FALSE;
+    m_width = bitmap.GetWidth() ;
+    m_height = bitmap.GetHeight() ;
+    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+    size_t size = m_bytesPerRow * m_height ;
+    unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
+    memset( destdatabase , 0 , size ) ;
+    unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
+    for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )
+    {
+        unsigned char *destdata= destdatabase ;
+        for( int x = 0 ; x < m_width ; ++x )
+        {
+            srcdata++ ;
+            unsigned char r = *srcdata++ ;
+            unsigned char g = *srcdata++ ;
+            unsigned char b = *srcdata++ ;
+            if ( ( r + g + b ) > 0x10 )
+                *destdata++ = 0x00 ;
+            else
+                *destdata++ = 0xFF ;
+        }
+    }
+    m_memBuf.UngetWriteBuf( size ) ;
+    RealizeNative() ;
+    return TRUE;

 }
 
 // Create a mask from a bitmap and a colour indicating
 // the transparent area
 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 {
 }
 
 // Create a mask from a bitmap and a colour indicating
 // the transparent area
 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 {

-       if ( m_maskBitmap )
-       {
-               wxMacDestroyGWorld( m_maskBitmap ) ;
-               m_maskBitmap = NULL ;
-       }
-       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 
-       
-    wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
-
-       m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 ); 
-       LockPixels( GetGWorldPixMap( m_maskBitmap ) );
-       LockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) );
-       RGBColor maskColor = colour.GetPixel();
-
-    // this is not very efficient, but I can't think
-    // of a better way of doing it
-       CGrafPtr        origPort ;
-       GDHandle        origDevice ;
-    RGBColor  col;
-    RGBColor  colors[2] = {
-        { 0xFFFF, 0xFFFF, 0xFFFF },
-        { 0,      0,      0 }};
-                       
-       GetGWorld( &origPort , &origDevice ) ;
-       for (int w = 0; w < bitmap.GetWidth(); w++)
+    m_width = bitmap.GetWidth() ;
+    m_height = bitmap.GetHeight() ;
+    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+    size_t size = m_bytesPerRow * m_height ;
+
+    unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
+    memset( destdatabase , 0 , size ) ;
+    unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
+    for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow)

     {
     {

-        for (int h = 0; h < bitmap.GetHeight(); h++)
-        {              
-                       SetGWorld( bitmap.GetHBITMAP(), NULL ) ;
-                       GetCPixel( w , h , &col ) ;
-                       SetGWorld( m_maskBitmap , NULL ) ;
-            if (col.red == maskColor.red && col.green == maskColor.green && col.blue == maskColor.blue)
-            {
-                               SetCPixel( w , h , &colors[0] ) ;
-            }
+        unsigned char *destdata= destdatabase ;
+        for( int x = 0 ; x < m_width ; ++x )
+        {
+            srcdata++ ;
+            unsigned char r = *srcdata++ ;
+            unsigned char g = *srcdata++ ;
+            unsigned char b = *srcdata++ ;
+            if ( colour == wxColour( r , g , b) )
+                *destdata++ = 0x00 ;

             else
             else

-            {
-                               SetCPixel( w , h , &colors[1] ) ;
-            }
+                *destdata++ = 0xFF ;

         }
     }
         }
     }

-       UnlockPixels( GetGWorldPixMap( (CGrafPtr) m_maskBitmap ) ) ;
-       UnlockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) ) ;
-       SetGWorld( origPort , origDevice ) ;
-
+    m_memBuf.UngetWriteBuf( size ) ;
+    RealizeNative() ;

     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxMask::PointMasked(int x, int y)
+WXHBITMAP wxMask::GetHBITMAP() const

 {
 {

-   WXHBITMAP origPort;
-   GDHandle  origDevice;
-   RGBColor  color;
-   bool masked = true;
-
-   GetGWorld( &origPort, &origDevice);
-
-   //Set port to mask and see if it masked (1) or not ( 0 )
-   SetGWorld(m_maskBitmap, NULL);
-   LockPixels(GetGWorldPixMap(m_maskBitmap));
-   GetCPixel(x,y, &color);
-   masked = !(color.red == 0 && color.green == 0 && color.blue == 0);
-   UnlockPixels(GetGWorldPixMap(m_maskBitmap));
-
-   SetGWorld( origPort, origDevice);
-
-   return masked;
+    return m_maskBitmap ;

 }
 
 }
 

-/*
- * wxBitmapHandler
- */
+// ----------------------------------------------------------------------------
+// wxBitmapHandler
+// ----------------------------------------------------------------------------

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
+wxBitmapHandler::~wxBitmapHandler()
+{
+}

 
 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
 {
 
 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
 {


@@ -1146,9 +1345,9 @@ bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int
     return FALSE;
 }
 
     return FALSE;
 }
 

-/*
- * Standard handlers
- */
+// ----------------------------------------------------------------------------
+// Standard Handlers
+// ----------------------------------------------------------------------------

 
 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 {
 
 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 {


@@ -1156,9 +1355,9 @@ class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 public:
     inline wxPICTResourceHandler()
     {
 public:
     inline wxPICTResourceHandler()
     {

-        m_name = "Macintosh Pict resource";
-        m_extension = "";
-        m_type = wxBITMAP_TYPE_PICT_RESOURCE;
+        SetName(wxT("Macintosh Pict resource"));
+        SetExtension(wxEmptyString);
+        SetType(wxBITMAP_TYPE_PICT_RESOURCE);

     };
 
     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
     };
 
     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,


@@ -1166,76 +1365,106 @@ public:
 };
 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 
 };
 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 

+

 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
           int desiredWidth, int desiredHeight)
 {
 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
           int desiredWidth, int desiredHeight)
 {

-       Str255 theName ;
-       
-#if TARGET_CARBON
-       c2pstrcpy( (StringPtr) theName , name ) ;
-#else
-       strcpy( (char *) theName , name ) ;
-       c2pstr( (char *)theName ) ;
-#endif
-       
-       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 ;
-               
-               M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
-               M_BITMAPHANDLERDATA->m_ok = true ;
-               M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
-//             M_BITMAPHANDLERDATA->m_bitmapPalette;
-//             M_BITMAPHANDLERDATA->m_quality;
-               return TRUE ;
-       }
-       return FALSE ;
-}
-
-#if 0   // The following is an example for creating a bitmap handler
-
-// TODO: bitmap handlers, a bit like this:
-class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
-{
-    DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
-public:
-    inline wxBMPResourceHandler()
+#if wxUSE_METAFILE
+    Str255 theName ;
+    wxMacStringToPascal( name , theName ) ;
+
+    PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
+    if ( thePict )

     {
     {

-        m_name = "Windows bitmap resource";
-        m_extension = "";
-        m_type = wxBITMAP_TYPE_BMP_RESOURCE;
-    };
+        wxMetafile mf ;
+        mf.SetHMETAFILE((WXHMETAFILE) thePict ) ;
+        bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ;
+        wxMemoryDC dc ;
+        dc.SelectObject( *bitmap ) ;
+        mf.Play( &dc ) ;
+        dc.SelectObject( wxNullBitmap ) ;
+        return TRUE ;
+    }
+#endif //wxUSE_METAFILE
+    return FALSE ;
+}

 
 

-    virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
-          int desiredWidth, int desiredHeight);
-};
-IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)

 
 

-#endif
+void wxBitmap::InitStandardHandlers()
+{
+    AddHandler(new wxPICTResourceHandler) ;
+    AddHandler(new wxICONResourceHandler) ;
+}

 
 

-void wxBitmap::CleanUpHandlers()
+// ----------------------------------------------------------------------------
+// raw bitmap access support
+// ----------------------------------------------------------------------------
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)

 {
 {

-    wxNode *node = sm_handlers.First();
-    while ( node )
+    if ( !Ok() )

     {
     {

-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
-        wxNode *next = node->Next();
-        delete handler;
-        delete node;
-        node = next;
+        // no bitmap, no data (raw or otherwise)
+        return NULL;

     }
     }

+
+    data.m_width = GetWidth() ;
+    data.m_height = GetHeight() ;
+    data.m_stride = GetWidth() * 4 ;
+    return GetRawAccess() ;

 }
 
 }
 

-void wxBitmap::InitStandardHandlers()
+void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)

 {
 {

-    AddHandler(new wxPICTResourceHandler) ;
-    AddHandler(new wxICONResourceHandler) ;
+    if ( !Ok() )
+        return;
+
+    // TODO : if we have some information about the API we should check
+    // this code looks strange...
+
+    if ( M_BITMAPDATA->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));
+    }
+}
+
+void wxBitmap::UseAlpha()
+{
+    // remember that we are using alpha channel, we'll need to create a proper
+    // mask in UngetRawData()
+    M_BITMAPDATA->UseAlpha( true );

 }
 }