no real changes; just streamlined ifdef around compositing check and removed redundan...

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

diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp
index 1e84d4f2c388b4f2aefdff4ae101e1ae74c1b7e0..5abc83eb77d8704a28aa31a21159cc36228d64eb 100644 (file)
--- a/src/mac/carbon/bitmap.cpp
+++ b/src/mac/carbon/bitmap.cpp
@@ -22,7 +22,7 @@
 
 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>


@@ -31,7 +31,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
 #endif
 
 #include "wx/mac/uma.h"
 #endif
 
 #include "wx/mac/uma.h"

-

 #include "wx/dcmemory.h"
 
 // Implementation Notes
 #include "wx/dcmemory.h"
 
 // Implementation Notes


@@ -44,7 +43,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
 // 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
 
 // 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
+// we don't dare use premultiplied alpha yet

 #define wxMAC_USE_PREMULTIPLIED_ALPHA 0
 
 #if wxUSE_BMPBUTTON
 #define wxMAC_USE_PREMULTIPLIED_ALPHA 0
 
 #if wxUSE_BMPBUTTON


@@ -61,7 +60,6 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
         if ( ( bmap->HasNativeSize() && forceType == 0 ) || forceType == kControlContentIconRef )
         {
             wxBitmap scaleBmp ;
         if ( ( bmap->HasNativeSize() && forceType == 0 ) || forceType == kControlContentIconRef )
         {
             wxBitmap scaleBmp ;

-

             wxBitmapRefData* bmp = bmap ;
 
             if ( !bmap->HasNativeSize() )
             wxBitmapRefData* bmp = bmap ;
 
             if ( !bmap->HasNativeSize() )


@@ -72,7 +70,7 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
                 int w = bitmap.GetWidth() ;
                 int h = bitmap.GetHeight() ;
                 int sz = wxMax( w , h ) ;
                 int w = bitmap.GetWidth() ;
                 int h = bitmap.GetHeight() ;
                 int sz = wxMax( w , h ) ;

-                if ( sz == 24 || sz == 64)
+                if ( sz == 24 || sz == 64 )

                 {
                     scaleBmp = wxBitmap( bitmap.ConvertToImage().Scale( w * 2 , h * 2 ) ) ;
                     bmp = scaleBmp.GetBitmapData() ;
                 {
                     scaleBmp = wxBitmap( bitmap.ConvertToImage().Scale( w * 2 , h * 2 ) ) ;
                     bmp = scaleBmp.GetBitmapData() ;


@@ -83,7 +81,7 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi
             info->u.iconRef = bmp->GetIconRef() ;
             AcquireIconRef( info->u.iconRef ) ;
         }
             info->u.iconRef = bmp->GetIconRef() ;
             AcquireIconRef( info->u.iconRef ) ;
         }

-#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 
+#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2

         else if ( forceType == kControlContentCGImageRef )
         {
             info->contentType = kControlContentCGImageRef ;
         else if ( forceType == kControlContentCGImageRef )
         {
             info->contentType = kControlContentCGImageRef ;


@@ -112,7 +110,7 @@ void wxMacReleaseBitmapButton( ControlButtonContentInfo*info )
     {
         // owned by the bitmap, no release here
     }
     {
         // owned by the bitmap, no release here
     }

-#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 
+#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2

     else if ( info->contentType == kControlContentCGImageRef )
     {
         CGImageRelease( info->u.imageRef ) ;
     else if ( info->contentType == kControlContentCGImageRef )
     {
         CGImageRelease( info->u.imageRef ) ;


@@ -135,9 +133,11 @@ void wxBitmapRefData::Init()
     m_depth = 0 ;
     m_ok = false ;
     m_bitmapMask = NULL ;
     m_depth = 0 ;
     m_ok = false ;
     m_bitmapMask = NULL ;

-#if wxMAC_USE_CORE_GRAPHICS
+
+#ifdef __WXMAC_OSX__

     m_cgImageRef = NULL ;
 #endif
     m_cgImageRef = NULL ;
 #endif

+

     m_iconRef = NULL ;
     m_pictHandle = NULL ;
     m_hBitmap = NULL ;
     m_iconRef = NULL ;
     m_pictHandle = NULL ;
     m_hBitmap = NULL ;


@@ -167,15 +167,16 @@ bool wxBitmapRefData::Create( int w , int h , int d )
 
     m_bytesPerRow = w * 4 ;
     size_t size = m_bytesPerRow * h ;
 
     m_bytesPerRow = w * 4 ;
     size_t size = m_bytesPerRow * h ;

-    void*  data = m_memBuf.GetWriteBuf(size) ;
-    memset( data ,  0 , size) ;
-    m_memBuf.UngetWriteBuf(size) ;
+    void* data = m_memBuf.GetWriteBuf( size ) ;
+    memset( data , 0 , size ) ;
+    m_memBuf.UngetWriteBuf( size ) ;

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


@@ -189,18 +190,22 @@ void wxBitmapRefData::UseAlpha( bool use )
     m_hasAlpha = use ;
     if ( m_hasAlpha )
     {
     m_hasAlpha = use ;
     if ( m_hasAlpha )
     {

+        wxASSERT( m_hMaskBitmap == NULL ) ;
+

         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 ) ;
         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 ) ;

+        wxASSERT( data != NULL ) ;
+

         memset( data , 0 , 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) ;
         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
 #if !wxMAC_USE_CORE_GRAPHICS
         UpdateAlphaMask() ;
 #endif


@@ -223,18 +228,21 @@ void *wxBitmapRefData::BeginRawAccess()
 {
     wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 0 ) ;
 {
     wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 0 ) ;

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

     ++m_rawAccessCount ;
     ++m_rawAccessCount ;

+
+#ifdef __WXMAC_OSX__

     // we must destroy an existing cached image, as
     // the bitmap data may change now
     // we must destroy an existing cached image, as
     // the bitmap data may change now

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

     if ( m_cgImageRef )
     {
         CGImageRelease( m_cgImageRef ) ;
         m_cgImageRef = NULL ;
     }
 #endif
     if ( m_cgImageRef )
     {
         CGImageRelease( m_cgImageRef ) ;
         m_cgImageRef = NULL ;
     }
 #endif

+

     return m_memBuf.GetData() ;
 }
 
     return m_memBuf.GetData() ;
 }
 


@@ -242,7 +250,9 @@ void wxBitmapRefData::EndRawAccess()
 {
     wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 1 ) ;
 {
     wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
     wxASSERT( m_rawAccessCount == 1 ) ;

+

     --m_rawAccessCount ;
     --m_rawAccessCount ;

+

 #if !wxMAC_USE_CORE_GRAPHICS
     UpdateAlphaMask() ;
 #endif
 #if !wxMAC_USE_CORE_GRAPHICS
     UpdateAlphaMask() ;
 #endif


@@ -254,9 +264,7 @@ bool wxBitmapRefData::HasNativeSize()
     int h = GetHeight() ;
     int sz = wxMax( w , h ) ;
 
     int h = GetHeight() ;
     int sz = wxMax( w , h ) ;
 

-    if ( sz == 128 || sz == 48 || sz == 32 || sz == 16 )
-        return true ;
-    return false ;
+    return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 );

 }
 
 IconRef wxBitmapRefData::GetIconRef()
 }
 
 IconRef wxBitmapRefData::GetIconRef()


@@ -268,12 +276,12 @@ IconRef wxBitmapRefData::GetIconRef()
         IconFamilyHandle iconFamily = NULL ;
 
 #ifdef WORDS_BIGENDIAN
         IconFamilyHandle iconFamily = NULL ;
 
 #ifdef WORDS_BIGENDIAN

-        iconFamily = (IconFamilyHandle) NewHandle(8) ;
+        iconFamily = (IconFamilyHandle) NewHandle( 8 ) ;

         (**iconFamily).resourceType = kIconFamilyType ;
         (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
 #else
         // test this solution on big endian as well
         (**iconFamily).resourceType = kIconFamilyType ;
         (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
 #else
         // test this solution on big endian as well

-        iconFamily = (IconFamilyHandle) NewHandle(0) ;
+        iconFamily = (IconFamilyHandle) NewHandle( 0 ) ;

 #endif
 
         int w = GetWidth() ;
 #endif
 
         int w = GetWidth() ;


@@ -283,25 +291,30 @@ IconRef wxBitmapRefData::GetIconRef()
         OSType dataType = 0 ;
         OSType maskType = 0 ;
 
         OSType dataType = 0 ;
         OSType maskType = 0 ;
 

-        if ( sz == 128 )
-        {
-            dataType = kThumbnail32BitData ;
-            maskType = kThumbnail8BitMask ;
-        }
-        else if ( sz == 48 )
-        {
-            dataType = kHuge32BitData ;
-            maskType = kHuge8BitMask ;
-        }
-        else if ( sz == 32 )
+        switch (sz)

         {
         {

-            dataType = kLarge32BitData ;
-            maskType = kLarge8BitMask ;
-        }
-        else if ( sz == 16 )
-        {
-            dataType = kSmall32BitData ;
-            maskType = kSmall8BitMask ;
+            case 128:
+                dataType = kThumbnail32BitData ;
+                maskType = kThumbnail8BitMask ;
+                break;
+
+            case 48:
+                dataType = kHuge32BitData ;
+                maskType = kHuge8BitMask ;
+                break;
+
+            case 32:
+                dataType = kLarge32BitData ;
+                maskType = kLarge8BitMask ;
+                break;
+
+            case 16:
+                dataType = kSmall32BitData ;
+                maskType = kSmall8BitMask ;
+                break;
+
+            default:
+                break;

         }
 
         if ( dataType != 0 )
         }
 
         if ( dataType != 0 )


@@ -312,14 +325,13 @@ IconRef wxBitmapRefData::GetIconRef()
             Handle maskdata = NULL ;
             unsigned char * maskptr = NULL ;
             unsigned char * ptr = NULL ;
             Handle maskdata = NULL ;
             unsigned char * maskptr = NULL ;
             unsigned char * ptr = NULL ;

-            size_t size ;
-            size_t masksize ;
+            size_t datasize, masksize ;

 
 

-            size = sz * sz * 4 ;
-            data = NewHandle( size) ;
+            datasize = sz * sz * 4 ;
+            data = NewHandle( datasize ) ;

             HLock( data ) ;
             ptr = (unsigned char*) *data ;
             HLock( data ) ;
             ptr = (unsigned char*) *data ;

-            memset( ptr , 0, size ) ;
+            memset( ptr , 0, datasize ) ;

 
             masksize = sz * sz ;
             maskdata = NewHandle( masksize ) ;
 
             masksize = sz * sz ;
             maskdata = NewHandle( masksize ) ;


@@ -331,16 +343,19 @@ IconRef wxBitmapRefData::GetIconRef()
             wxMask *mask = m_bitmapMask ;
             unsigned char * source = (unsigned char*) GetRawAccess() ;
             unsigned char * masksource = mask ? (unsigned char*) mask->GetRawAccess() : NULL ;
             wxMask *mask = m_bitmapMask ;
             unsigned char * source = (unsigned char*) 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 y = 0 ; y < h ; ++y )
             {
                 unsigned char * dest = ptr + y * sz * 4 ;
                 unsigned char * maskdest = maskptr + y * sz ;

+                unsigned char a, r, g, b;
+

                 for ( int x = 0 ; x < w ; ++x )
                 {
                 for ( int x = 0 ; x < w ; ++x )
                 {

-                    unsigned char a = *source ++ ;
-                    unsigned char r = *source ++ ;
-                    unsigned char g = *source ++ ;
-                    unsigned char b = *source ++ ;
+                    a = *source ++ ;
+                    r = *source ++ ;
+                    g = *source ++ ;
+                    b = *source ++ ;

 
                     *dest++ = 0 ;
                     *dest++ = r ;
 
                     *dest++ = 0 ;
                     *dest++ = r ;


@@ -348,7 +363,12 @@ IconRef wxBitmapRefData::GetIconRef()
                     *dest++ = b ;
 
                     if ( mask )
                     *dest++ = b ;
 
                     if ( mask )

-                        *maskdest++ = *masksource++ ;
+                    {
+                        *maskdest++ = 0xFF - *masksource++ ;
+                        masksource++ ;
+                        masksource++ ;
+                        masksource++ ;
+                    }

                     else if ( hasAlpha )
                         *maskdest++ = a ;
                     else
                     else if ( hasAlpha )
                         *maskdest++ = a ;
                     else


@@ -361,6 +381,7 @@ IconRef wxBitmapRefData::GetIconRef()
 
             err = SetIconFamilyData( iconFamily, maskType , maskdata ) ;
             wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ;
 
             err = SetIconFamilyData( iconFamily, maskType , maskdata ) ;
             wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ;

+

             HUnlock( data ) ;
             HUnlock( maskdata ) ;
             DisposeHandle( data ) ;
             HUnlock( data ) ;
             HUnlock( maskdata ) ;
             DisposeHandle( data ) ;


@@ -375,17 +396,17 @@ IconRef wxBitmapRefData::GetIconRef()
         // transform into IconRef
 
         static int iconCounter = 2 ;
         // transform into IconRef
 
         static int iconCounter = 2 ;

-#ifdef __WXDEBUG__
-        OSStatus err =
-#endif
-            RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &m_iconRef ) ;
+
+        OSStatus err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &m_iconRef ) ;

         wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
         wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;

+

         // we have to retain a reference, as Unregister will decrement it
         AcquireIconRef( m_iconRef ) ;
         UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ;
         DisposeHandle( (Handle) iconFamily ) ;
         ++iconCounter ;
     }
         // we have to retain a reference, as Unregister will decrement it
         AcquireIconRef( m_iconRef ) ;
         UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ;
         DisposeHandle( (Handle) iconFamily ) ;
         ++iconCounter ;
     }

+

     return m_iconRef ;
 }
 
     return m_iconRef ;
 }
 


@@ -393,21 +414,19 @@ PicHandle wxBitmapRefData::GetPictHandle()
 {
     if ( m_pictHandle == NULL )
     {
 {
     if ( m_pictHandle == NULL )
     {

-        CGrafPtr        origPort = NULL ;
-        GDHandle        origDev = NULL ;
-        GWorldPtr       wp = NULL ;
-        GWorldPtr       mask = NULL ;
+        CGrafPtr origPort = NULL ;
+        GDHandle origDev = NULL ;
+        GWorldPtr wp = NULL ;
+        GWorldPtr mask = NULL ;

         int height = GetHeight() ;
         int width = GetWidth() ;
 
         Rect rect = { 0 , 0 , height , width } ;
         int height = GetHeight() ;
         int width = GetWidth() ;
 
         Rect rect = { 0 , 0 , height , width } ;

+        RgnHandle clipRgn = NULL ;

 
         GetGWorld( &origPort , &origDev ) ;
 
         GetGWorld( &origPort , &origDev ) ;

-

         wp = GetHBITMAP( &mask ) ;
 
         wp = GetHBITMAP( &mask ) ;
 

-        RgnHandle clipRgn = NULL ;
-

         if ( mask )
         {
             GWorldPtr monoworld ;
         if ( mask )
         {
             GWorldPtr monoworld ;


@@ -417,16 +436,19 @@ PicHandle wxBitmapRefData::GetPictHandle()
             LockPixels( GetGWorldPixMap( monoworld ) ) ;
             LockPixels( GetGWorldPixMap( mask ) ) ;
             SetGWorld( monoworld , NULL ) ;
             LockPixels( GetGWorldPixMap( monoworld ) ) ;
             LockPixels( GetGWorldPixMap( mask ) ) ;
             SetGWorld( monoworld , NULL ) ;

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

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

+

             CopyBits(GetPortBitMapForCopyBits(mask),
                     GetPortBitMapForCopyBits(monoworld),
                     &rect,
                     &rect,
             CopyBits(GetPortBitMapForCopyBits(mask),
                     GetPortBitMapForCopyBits(monoworld),
                     &rect,
                     &rect,

-                    srcCopy,NULL);
+                    srcCopy, NULL);

             BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ;
             BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ;

+

             UnlockPixels( GetGWorldPixMap( monoworld ) ) ;
             UnlockPixels( GetGWorldPixMap( mask ) ) ;
             DisposeGWorld( monoworld ) ;
             UnlockPixels( GetGWorldPixMap( monoworld ) ) ;
             UnlockPixels( GetGWorldPixMap( mask ) ) ;
             DisposeGWorld( monoworld ) ;


@@ -437,10 +459,11 @@ PicHandle wxBitmapRefData::GetPictHandle()
         GetPortBounds( wp , &portRect ) ;
         m_pictHandle = OpenPicture(&portRect);
 
         GetPortBounds( wp , &portRect ) ;
         m_pictHandle = OpenPicture(&portRect);
 

-        if(m_pictHandle)
+        if (m_pictHandle)

         {
         {

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

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


@@ -456,10 +479,12 @@ PicHandle wxBitmapRefData::GetPictHandle()
             UnlockPixels( GetGWorldPixMap( wp ) ) ;
             ClosePicture();
         }
             UnlockPixels( GetGWorldPixMap( wp ) ) ;
             ClosePicture();
         }

+

         SetGWorld( origPort , origDev ) ;
         if ( clipRgn )
             DisposeRgn( clipRgn ) ;
     }
         SetGWorld( origPort , origDev ) ;
         if ( clipRgn )
             DisposeRgn( clipRgn ) ;
     }

+

     return m_pictHandle ;
 }
 
     return m_pictHandle ;
 }
 


@@ -467,7 +492,9 @@ PicHandle wxBitmapRefData::GetPictHandle()
 void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size)
 {
     wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
 void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size)
 {
     wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;

+

     wxASSERT( data == membuf->GetData() ) ;
     wxASSERT( data == membuf->GetData() ) ;

+

     delete membuf ;
 }
 
     delete membuf ;
 }
 


@@ -487,40 +514,43 @@ CGImageRef wxBitmapRefData::CGImageCreate() const
 
         if ( m_bitmapMask )
         {
 
         if ( m_bitmapMask )
         {

+            alphaInfo = kCGImageAlphaFirst ;

             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() ;
             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 y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes)
             {
                 unsigned char *sourcemask = sourcemaskstart ;

-                for( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 )
+                for ( int x = 0 ; x < w ; ++x , sourcemask += 4 , destalpha += 4 )

                 {
                 {

-                    *destalpha = *sourcemask ;
+                    *destalpha = 0xFF - *sourcemask ;

                 }
             }
         }
                 }
             }
         }

-        else if ( m_hasAlpha )
+        else

         {
         {

+            if ( m_hasAlpha )
+            {

 #if wxMAC_USE_PREMULTIPLIED_ALPHA
 #if wxMAC_USE_PREMULTIPLIED_ALPHA

-            alphaInfo = kCGImageAlphaPremultipliedFirst ;
+                alphaInfo = kCGImageAlphaPremultipliedFirst ;

 #else
 #else

-            alphaInfo = kCGImageAlphaFirst ;
+                alphaInfo = kCGImageAlphaFirst ;

 #endif
 #endif

+            }
+

             membuf = new wxMemoryBuffer( m_memBuf ) ;
         }
             membuf = new wxMemoryBuffer( m_memBuf ) ;
         }

-        else
-        {
-            membuf = new wxMemoryBuffer( m_memBuf ) ;
-        }
+

         CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
         CGDataProviderRef dataProvider =
         CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
         CGDataProviderRef dataProvider =

-            CGDataProviderCreateWithData( membuf , (const void *)membuf->GetData() , imageSize,
+            CGDataProviderCreateWithData(
+                membuf , (const void *)membuf->GetData() , imageSize,

                 wxMacMemoryBufferReleaseProc );
         image =
                 wxMacMemoryBufferReleaseProc );
         image =

-            ::CGImageCreate( w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo ,
+            ::CGImageCreate(
+                w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo ,

                 dataProvider, NULL , false , kCGRenderingIntentDefault );
         CGDataProviderRelease( dataProvider);
     }
                 dataProvider, NULL , false , kCGRenderingIntentDefault );
         CGDataProviderRelease( dataProvider);
     }


@@ -529,12 +559,14 @@ CGImageRef wxBitmapRefData::CGImageCreate() const
         image = m_cgImageRef ;
         CGImageRetain( image ) ;
     }
         image = m_cgImageRef ;
         CGImageRetain( image ) ;
     }

+

     if ( m_rawAccessCount == 0 && m_cgImageRef == NULL)
     {
         // we keep it for later use
         m_cgImageRef = image ;
         CGImageRetain( image ) ;
     }
     if ( m_rawAccessCount == 0 && m_cgImageRef == NULL)
     {
         // we keep it for later use
         m_cgImageRef = image ;
         CGImageRetain( image ) ;
     }

+

     return image ;
 }
 #endif
     return image ;
 }
 #endif


@@ -546,20 +578,24 @@ GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const
     {
         *mask = NULL ;
         if ( m_bitmapMask )
     {
         *mask = NULL ;
         if ( m_bitmapMask )

+        {

             *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ;
             *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ;

+        }

         else if ( m_hasAlpha )
         {
 #if !wxMAC_USE_CORE_GRAPHICS
             if ( m_rawAccessCount > 0 )
                 UpdateAlphaMask() ;
 #else
         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
+            // this structure is not kept in synch when using CG, so if something
+            // is really accessing the GrafPorts, we have to sync it

             UpdateAlphaMask() ;
 #endif
             UpdateAlphaMask() ;
 #endif

+

             *mask = m_hMaskBitmap ;
         }
     }
             *mask = m_hMaskBitmap ;
         }
     }

+

     return m_hBitmap ;
 }
 
     return m_hBitmap ;
 }
 


@@ -576,7 +612,8 @@ void wxBitmapRefData::UpdateAlphaMask() const
         for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow )
         {
             unsigned char* destalpha = destalphabase ;
         for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow )
         {
             unsigned char* destalpha = destalphabase ;

-            for( int x = 0 ; x < w ; ++x , sourcemask += 4 )
+
+            for ( int x = 0 ; x < w ; ++x , sourcemask += 4 )

             {
                 // we must have 24 bit depth for non quartz smooth alpha
                 *destalpha++ = 255 ;
             {
                 // we must have 24 bit depth for non quartz smooth alpha
                 *destalpha++ = 255 ;


@@ -592,28 +629,32 @@ void wxBitmapRefData::Free()
 {
     wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
 
 {
     wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
 

-#if wxMAC_USE_CORE_GRAPHICS
+#ifdef __WXMAC_OSX__

     if ( m_cgImageRef )
     {
         CGImageRelease( m_cgImageRef ) ;
         m_cgImageRef = NULL ;
     }
 #endif
     if ( m_cgImageRef )
     {
         CGImageRelease( m_cgImageRef ) ;
         m_cgImageRef = NULL ;
     }
 #endif

+

     if ( m_iconRef )
     {
         ReleaseIconRef( m_iconRef ) ;
         m_iconRef = NULL ;
     }
     if ( m_iconRef )
     {
         ReleaseIconRef( m_iconRef ) ;
         m_iconRef = NULL ;
     }

+

     if ( m_pictHandle )
     {
         KillPicture( m_pictHandle ) ;
         m_pictHandle = NULL ;
     }
     if ( m_pictHandle )
     {
         KillPicture( m_pictHandle ) ;
         m_pictHandle = NULL ;
     }

+

     if ( m_hBitmap )
     {
         DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ;
         m_hBitmap = NULL ;
     }
     if ( m_hBitmap )
     {
         DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ;
         m_hBitmap = NULL ;
     }

+

     if ( m_hMaskBitmap )
     {
         DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ;
     if ( m_hMaskBitmap )
     {
         DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ;


@@ -634,53 +675,56 @@ wxBitmapRefData::~wxBitmapRefData()
 
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 {
 
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 {

+    bool created = false ;

     int w = icon.GetWidth() ;
     int h = icon.GetHeight() ;
 
     int w = icon.GetWidth() ;
     int h = icon.GetHeight() ;
 

-

     Create( icon.GetWidth() , icon.GetHeight() ) ;
 
     Create( icon.GetWidth() , icon.GetHeight() ) ;
 

-    bool created = false ;
-

     if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) )
     {
         IconFamilyHandle iconFamily = NULL ;
     if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) )
     {
         IconFamilyHandle iconFamily = NULL ;

-        Handle imagehandle = NewHandle(0) ;
-        Handle maskhandle = NewHandle(0) ;
+        Handle imagehandle = NewHandle( 0 ) ;
+        Handle maskhandle = NewHandle( 0 ) ;

 
         OSType maskType = 0;
         OSType dataType = 0;
         IconSelectorValue selector = 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 )
+
+        switch (w)

         {
         {

-            dataType = kSmall32BitData ;
-            maskType = kSmall8BitMask ;
-            selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ;
+            case 128:
+                dataType = kThumbnail32BitData ;
+                maskType = kThumbnail8BitMask ;
+                selector = kSelectorAllAvailableData ;
+                break;
+
+            case 48:
+                dataType = kHuge32BitData ;
+                maskType = kHuge8BitMask ;
+                selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ;
+                break;
+
+            case 32:
+                dataType = kLarge32BitData ;
+                maskType = kLarge8BitMask ;
+                selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ;
+                break;
+
+            case 16:
+                dataType = kSmall32BitData ;
+                maskType = kSmall8BitMask ;
+                selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ;
+                break;
+
+            default:
+                break;

         }
 
         }
 

+        OSStatus err = IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ;

 
 

-        OSStatus err = ( IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ) ;
-
-        err =( GetIconFamilyData( iconFamily , dataType , imagehandle ) ) ;
-        err =( GetIconFamilyData( iconFamily , maskType , maskhandle ) ) ;
+        err = GetIconFamilyData( iconFamily , dataType , imagehandle ) ;
+        err = GetIconFamilyData( iconFamily , maskType , maskhandle ) ;

         size_t imagehandlesize = GetHandleSize( imagehandle ) ;
         size_t maskhandlesize = GetHandleSize( maskhandle ) ;
 
         size_t imagehandlesize = GetHandleSize( imagehandle ) ;
         size_t maskhandlesize = GetHandleSize( maskhandle ) ;
 


@@ -688,11 +732,13 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
         {
             wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ;
             wxASSERT( GetHandleSize( maskhandle ) == w * h ) ;
         {
             wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ;
             wxASSERT( GetHandleSize( maskhandle ) == w * h ) ;

+

             UseAlpha() ;
             UseAlpha() ;

+

             unsigned char *source = (unsigned char *) *imagehandle ;
             unsigned char *sourcemask = (unsigned char *) *maskhandle ;
             unsigned char *source = (unsigned char *) *imagehandle ;
             unsigned char *sourcemask = (unsigned char *) *maskhandle ;

-

             unsigned char* destination = (unsigned char*) BeginRawAccess() ;
             unsigned char* destination = (unsigned char*) BeginRawAccess() ;

+

             for ( int y = 0 ; y < h ; ++y )
             {
                 for ( int x = 0 ; x < w ; ++x )
             for ( int y = 0 ; y < h ; ++y )
             {
                 for ( int x = 0 ; x < w ; ++x )


@@ -704,13 +750,14 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
                     *destination++ = *source++ ;
                 }
             }
                     *destination++ = *source++ ;
                 }
             }

+

             EndRawAccess() ;
             DisposeHandle( imagehandle ) ;
             DisposeHandle( maskhandle ) ;
             created = true ;
         }
             EndRawAccess() ;
             DisposeHandle( imagehandle ) ;
             DisposeHandle( maskhandle ) ;
             created = true ;
         }

-        DisposeHandle( (Handle) iconFamily ) ;

 
 

+        DisposeHandle( (Handle) iconFamily ) ;

     }
 
     if ( !created )
     }
 
     if ( !created )


@@ -720,6 +767,7 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
         dc.DrawIcon( icon , 0 , 0 ) ;
         dc.SelectObject( wxNullBitmap ) ;
     }
         dc.DrawIcon( icon , 0 , 0 ) ;
         dc.SelectObject( wxNullBitmap ) ;
     }

+

     return true;
 }
 
     return true;
 }
 


@@ -738,19 +786,23 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
     if ( no_bits == 1 )
     {
         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
     if ( no_bits == 1 )
     {
         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;

-        if ( the_width % (sizeof(unsigned char) * 8) ) {
+        if ( the_width % (sizeof(unsigned char) * 8) )

             linesize += sizeof(unsigned char);
             linesize += sizeof(unsigned char);

-        }
+

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

+

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

+            int index, bit, mask;
+

             for ( int x = 0 ; x < the_width ; ++x )
             {
             for ( int x = 0 ; x < the_width ; ++x )
             {

-                int index = x / 8 ;
-                int bit = x % 8 ;
-                int mask = 1 << bit ;
-                if ( linestart[index] & mask )
+                index = x / 8 ;
+                bit = x % 8 ;
+                mask = 1 << bit ;
+
+                if ( !(linestart[index] & mask ) )

                 {
                     *destination++ = 0xFF ;
                     *destination++ = 0 ;
                 {
                     *destination++ = 0xFF ;
                     *destination++ = 0 ;


@@ -766,6 +818,7 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
                 }
             }
         }
                 }
             }
         }

+

         EndRawAccess() ;
     }
     else
         EndRawAccess() ;
     }
     else


@@ -799,21 +852,24 @@ wxBitmap::wxBitmap(char **bits)
     (void) CreateFromXpm((const char **)bits);
 }
 
     (void) CreateFromXpm((const char **)bits);
 }
 

-void* wxBitmap::GetRawAccess() const
+void * wxBitmap::GetRawAccess() const

 {
     wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
 {
     wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;

+

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

-void* wxBitmap::BeginRawAccess()
+void * wxBitmap::BeginRawAccess()

 {
     wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
 {
     wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;

+

     return M_BITMAPDATA->BeginRawAccess() ;
 }
 
 void wxBitmap::EndRawAccess()
 {
     wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
     return M_BITMAPDATA->BeginRawAccess() ;
 }
 
 void wxBitmap::EndRawAccess()
 {
     wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;

+

     M_BITMAPDATA->EndRawAccess() ;
 }
 
     M_BITMAPDATA->EndRawAccess() ;
 }
 


@@ -821,12 +877,16 @@ bool wxBitmap::CreateFromXpm(const char **bits)
 {
 #if wxUSE_IMAGE
     wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") )
 {
 #if wxUSE_IMAGE
     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") )
     wxXPMDecoder decoder;
     wxImage img = decoder.ReadData(bits);
     wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") )

+

     *this = wxBitmap(img);
     *this = wxBitmap(img);

+

     return true;
 #else
     return true;
 #else

+

     return false;
 #endif
 }
     return false;
 #endif
 }


@@ -835,6 +895,7 @@ bool wxBitmap::CreateFromXpm(const char **bits)
 WXCGIMAGEREF wxBitmap::CGImageCreate() const
 {
     wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
 WXCGIMAGEREF wxBitmap::CGImageCreate() const
 {
     wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;

+

     return M_BITMAPDATA->CGImageCreate() ;
 }
 #endif
     return M_BITMAPDATA->CGImageCreate() ;
 }
 #endif


@@ -847,45 +908,52 @@ 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") );
 

-

     int sourcewidth = GetWidth() ;
     int destwidth = rect.width ;
     int destheight = rect.height ;
     int sourcewidth = GetWidth() ;
     int destwidth = rect.width ;
     int destheight = rect.height ;

+

     {
     {

-        unsigned char * sourcedata = (unsigned char*) GetRawAccess() ;
-        unsigned char * destdata = (unsigned char*) ret.BeginRawAccess() ;
+        unsigned char *sourcedata = (unsigned char*) GetRawAccess() ;
+        unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ;
+        wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ;
+

         int sourcelinesize = sourcewidth * 4 ;
         int destlinesize = destwidth * 4 ;
         unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ;
         unsigned char *dest = destdata ;
         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)
+
+        for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)

         {
             memcpy( dest , source , destlinesize ) ;
         }
     }
         {
             memcpy( dest , source , destlinesize ) ;
         }
     }

+

     ret.EndRawAccess() ;
 
     if ( M_BITMAPDATA->m_bitmapMask )
     {
         wxMemoryBuffer maskbuf ;
     ret.EndRawAccess() ;
 
     if ( M_BITMAPDATA->m_bitmapMask )
     {
         wxMemoryBuffer maskbuf ;

-        int rowBytes = ( destwidth + 3 ) & 0xFFFFFFC ;
+        int rowBytes = ( destwidth * 4 + 3 ) & 0xFFFFFFC ;

         size_t maskbufsize = rowBytes * destheight ;
         size_t maskbufsize = rowBytes * destheight ;

-        unsigned char * destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;

 
 

-        int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow()  ;
+        int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow() ;

         int destlinesize = rowBytes ;
         int destlinesize = rowBytes ;

+

         unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ;
         unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ;

-        source += rect.x + rect.y * sourcelinesize ;
+        unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
+        wxASSERT( (source != NULL) && (destdata != NULL) ) ;
+
+        source += rect.x * 4 + rect.y * sourcelinesize ;

         unsigned char *dest = destdata ;
 
         unsigned char *dest = destdata ;
 

-        for(int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+        for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)

         {
             memcpy( dest , source , destlinesize ) ;
         }
         {
             memcpy( dest , source , destlinesize ) ;
         }

+

         maskbuf.UngetWriteBuf( maskbufsize ) ;
         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }
         maskbuf.UngetWriteBuf( maskbufsize ) ;
         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }


@@ -923,13 +991,17 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
     {
 #if wxUSE_IMAGE
         wxImage loadimage(filename, type);
     {
 #if wxUSE_IMAGE
         wxImage loadimage(filename, type);

-        if (loadimage.Ok()) {
+        if (loadimage.Ok())
+        {

             *this = loadimage;
             *this = loadimage;

+

             return true;
         }
 #endif
     }
             return true;
         }
 #endif
     }

+

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

+

     return false;
 }
 
     return false;
 }
 


@@ -941,7 +1013,8 @@ bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int
 
     wxBitmapHandler *handler = FindHandler(type);
 
 
     wxBitmapHandler *handler = FindHandler(type);
 

-    if ( handler == NULL ) {
+    if ( handler == NULL )
+    {

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


@@ -979,9 +1052,9 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
         UseAlpha() ;
 
     unsigned char* destination = (unsigned char*) BeginRawAccess() ;
         UseAlpha() ;
 
     unsigned char* destination = (unsigned char*) BeginRawAccess() ;

-

     register unsigned char* data = image.GetData();
     const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
     register unsigned char* data = image.GetData();
     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++)


@@ -990,10 +1063,11 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
             {
                 const unsigned char a = *alpha++;
                 *destination++ = a ;
             {
                 const unsigned char a = *alpha++;
                 *destination++ = a ;

+

 #if wxMAC_USE_PREMULTIPLIED_ALPHA
 #if wxMAC_USE_PREMULTIPLIED_ALPHA

-                *destination++ = ((*data++) * a + 127 ) / 255 ;
-                *destination++ = ((*data++) * a + 127 ) / 255 ;
-                *destination++ = ((*data++) * a + 127 ) / 255 ;
+                *destination++ = ((*data++) * a + 127) / 255 ;
+                *destination++ = ((*data++) * a + 127) / 255 ;
+                *destination++ = ((*data++) * a + 127) / 255 ;

 #else
                 *destination++ = *data++ ;
                 *destination++ = *data++ ;
 #else
                 *destination++ = *data++ ;
                 *destination++ = *data++ ;


@@ -1009,11 +1083,10 @@ wxBitmap::wxBitmap(const wxImage& image, int depth)
             }
         }
     }
             }
         }
     }

+

     EndRawAccess() ;
     if ( image.HasMask() )
     EndRawAccess() ;
     if ( image.HasMask() )

-    {

         SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
         SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;

-    }

 }
 
 wxImage wxBitmap::ConvertToImage() const
 }
 
 wxImage wxBitmap::ConvertToImage() const


@@ -1037,10 +1110,9 @@ wxImage wxBitmap::ConvertToImage() const
     int maskBytesPerRow = 0 ;
     unsigned char *alpha = NULL ;
     unsigned char *mask = NULL ;
     int maskBytesPerRow = 0 ;
     unsigned char *alpha = NULL ;
     unsigned char *mask = NULL ;

+

     if ( HasAlpha() )
     if ( HasAlpha() )

-    {

         hasAlpha = true ;
         hasAlpha = true ;

-    }

 
     if ( GetMask() )
     {
 
     if ( GetMask() )
     {


@@ -1054,11 +1126,12 @@ wxImage wxBitmap::ConvertToImage() const
         image.SetAlpha() ;
         alpha = image.GetAlpha() ;
     }
         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
     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
+    // replaced with when it actually 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_RED = 1;
     static const int MASK_GREEN = 2;
     static const int MASK_BLUE = 3;


@@ -1067,16 +1140,26 @@ wxImage wxBitmap::ConvertToImage() const
     for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow )
     {
         unsigned char * maskp = mask ;
     for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow )
     {
         unsigned char * maskp = mask ;

+        unsigned char a, r, g, b;
+        long color;
+

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

-            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);
+            color = *((long*) source) ;
+#ifdef WORDS_BIGENDIAN
+            a = ((color&0xFF000000) >> 24) ;
+            r = ((color&0x00FF0000) >> 16) ;
+            g = ((color&0x0000FF00) >> 8) ;
+            b = (color&0x000000FF);
+#else
+            b = ((color&0xFF000000) >> 24) ;
+            g = ((color&0x00FF0000) >> 16) ;
+            r = ((color&0x0000FF00) >> 8) ;
+            a = (color&0x000000FF);
+#endif

             if ( hasMask )
             {
             if ( hasMask )
             {

-                if ( *maskp++ == 0 )
+                if ( *maskp++ == 0xFF )

                 {
                     r = MASK_RED ;
                     g = MASK_GREEN ;
                 {
                     r = MASK_RED ;
                     g = MASK_GREEN ;


@@ -1084,6 +1167,10 @@ wxImage wxBitmap::ConvertToImage() const
                 }
                 else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
                     b = MASK_BLUE_REPLACEMENT ;
                 }
                 else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
                     b = MASK_BLUE_REPLACEMENT ;

+
+                maskp++ ;
+                maskp++ ;
+                maskp++ ;

             }
             else if ( hasAlpha )
                 *alpha++ = a ;
             }
             else if ( hasAlpha )
                 *alpha++ = a ;


@@ -1091,19 +1178,22 @@ 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 ;

+

             index += 3;
             source += 4 ;
         }
     }
             index += 3;
             source += 4 ;
         }
     }

+

     if ( hasMask )
         image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
     if ( hasMask )
         image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );

+

     return image;
 }
 
 #endif //wxUSE_IMAGE
 
     return image;
 }
 
 #endif //wxUSE_IMAGE
 

-bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type,
-                        const wxPalette *palette) const
+bool wxBitmap::SaveFile( const wxString& filename,
+    wxBitmapType type, const wxPalette *palette ) const

 {
     bool success = false;
     wxBitmapHandler *handler = FindHandler(type);
 {
     bool success = false;
     wxBitmapHandler *handler = FindHandler(type);


@@ -1152,12 +1242,14 @@ int wxBitmap::GetDepth() const
 }
 
 #if WXWIN_COMPATIBILITY_2_4
 }
 
 #if WXWIN_COMPATIBILITY_2_4

-

 int wxBitmap::GetQuality() const
 {
     return 0;
 }
 
 int wxBitmap::GetQuality() const
 {
     return 0;
 }
 

+void wxBitmap::SetQuality(int WXUNUSED(quality))
+{
+}

 #endif
 
 wxMask *wxBitmap::GetMask() const
 #endif
 
 wxMask *wxBitmap::GetMask() const


@@ -1198,14 +1290,6 @@ void wxBitmap::SetDepth(int d)
     M_BITMAPDATA->SetDepth(d);
 }
 
     M_BITMAPDATA->SetDepth(d);
 }
 

-#if WXWIN_COMPATIBILITY_2_4
-
-void wxBitmap::SetQuality(int WXUNUSED(quality))
-{
-}
-
-#endif
-

 void wxBitmap::SetOk(bool isOk)
 {
     if (!M_BITMAPDATA)
 void wxBitmap::SetOk(bool isOk)
 {
     if (!M_BITMAPDATA)


@@ -1258,31 +1342,32 @@ wxMask::wxMask()
 
 // Construct a mask from a bitmap and a colour indicating
 // the transparent area
 
 // Construct a mask from a bitmap and a colour indicating
 // the transparent area

-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )

 {
     Init() ;
 {
     Init() ;

-    Create(bitmap, colour);
+    Create( bitmap, colour );

 }
 
 // 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 wxBitmap& bitmap )

 {
     Init() ;
 {
     Init() ;

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

 {
     Init() ;
 {
     Init() ;

-    Create(data, width , height , bytesPerRow );
+    Create( data, width , height , bytesPerRow );

 }
 
 wxMask::~wxMask()
 {
     if ( m_maskBitmap )
     {
 }
 
 wxMask::~wxMask()
 {
     if ( m_maskBitmap )
     {

-        DisposeGWorld( (GWorldPtr) m_maskBitmap ) ;
+        DisposeGWorld( (GWorldPtr)m_maskBitmap ) ;

         m_maskBitmap = NULL ;
     }
 }
         m_maskBitmap = NULL ;
     }
 }


@@ -1298,30 +1383,38 @@ void *wxMask::GetRawAccess() const
     return m_memBuf.GetData() ;
 }
 
     return m_memBuf.GetData() ;
 }
 

-// 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
+// The default ColorTable for k8IndexedGrayPixelFormat in Intel appears to be broken, so we'll use an non-indexed
+// bitmap mask instead; in order to keep the code simple, the change applies to PowerPC implementations as well

 
 void wxMask::RealizeNative()
 {
     if ( m_maskBitmap )
     {
 
 void wxMask::RealizeNative()
 {
     if ( m_maskBitmap )
     {

-       DisposeGWorld(  (GWorldPtr) m_maskBitmap ) ;
+       DisposeGWorld( (GWorldPtr)m_maskBitmap ) ;

        m_maskBitmap = NULL ;
     }
        m_maskBitmap = NULL ;
     }

+

     Rect rect = { 0 , 0 , m_height , m_width } ;
     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 ) ) ;
+
+    OSStatus err = NewGWorldFromPtr(
+        (GWorldPtr*) &m_maskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
+        (char*) m_memBuf.GetData() , m_bytesPerRow ) ;
+    verify_noerr( err ) ;

 }
 
 // Create a mask from a mono bitmap (copies the bitmap).
 }
 
 // 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 ;
 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) ) ;
     wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ;

+

     RealizeNative() ;
     RealizeNative() ;

+

     return true ;
 }
 
     return true ;
 }
 


@@ -1330,28 +1423,47 @@ bool wxMask::Create(const wxBitmap& bitmap)
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;

-    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+    m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ;
+

     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;

+    wxASSERT( destdatabase != NULL ) ;
+

     memset( destdatabase , 0 , size ) ;
     unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
     memset( destdatabase , 0 , size ) ;
     unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;

+

     for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )
     {
     for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )
     {

-        unsigned char *destdata= destdatabase ;
-        for( int x = 0 ; x < m_width ; ++x )
+        unsigned char *destdata = destdatabase ;
+        unsigned char r, g, b;
+
+        for ( int x = 0 ; x < m_width ; ++x )

         {
             srcdata++ ;
         {
             srcdata++ ;

-            unsigned char r = *srcdata++ ;
-            unsigned char g = *srcdata++ ;
-            unsigned char b = *srcdata++ ;
+            r = *srcdata++ ;
+            g = *srcdata++ ;
+            b = *srcdata++ ;
+

             if ( ( r + g + b ) > 0x10 )
             if ( ( r + g + b ) > 0x10 )

-                *destdata++ = 0x00 ;
-            else
+            {

                 *destdata++ = 0xFF ;
                 *destdata++ = 0xFF ;

+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
+            }
+            else
+            {
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+            }

         }
     }
         }
     }

+

     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;
     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;

+

     return true;
 }
 
     return true;
 }
 


@@ -1361,29 +1473,47 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;

-    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
-    size_t size = m_bytesPerRow * m_height ;
+    m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ;

 
 

+    size_t size = m_bytesPerRow * m_height ;

     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;

+    wxASSERT( destdatabase != NULL ) ;
+

     memset( destdatabase , 0 , size ) ;
     unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
     memset( destdatabase , 0 , size ) ;
     unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;

+

     for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow)
     {
     for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow)
     {

-        unsigned char *destdata= destdatabase ;
-        for( int x = 0 ; x < m_width ; ++x )
+        unsigned char *destdata = destdatabase ;
+        unsigned char r, g, b;
+
+        for ( int x = 0 ; x < m_width ; ++x )

         {
             srcdata++ ;
         {
             srcdata++ ;

-            unsigned char r = *srcdata++ ;
-            unsigned char g = *srcdata++ ;
-            unsigned char b = *srcdata++ ;
-            if ( colour == wxColour( r , g , b) )
-                *destdata++ = 0x00 ;
-            else
+            r = *srcdata++ ;
+            g = *srcdata++ ;
+            b = *srcdata++ ;
+
+            if ( colour == wxColour( r , g , b ) )
+            {
+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;

                 *destdata++ = 0xFF ;
                 *destdata++ = 0xFF ;

+            }
+            else
+            {
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+            }

         }
     }
         }
     }

+

     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;
     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;

+

     return true;
 }
 
     return true;
 }
 


@@ -1423,6 +1553,7 @@ bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int
 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 {
     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 {
     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)

+

 public:
     inline wxPICTResourceHandler()
     {
 public:
     inline wxPICTResourceHandler()
     {


@@ -1434,10 +1565,11 @@ public:
     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
           int desiredWidth, int desiredHeight);
 };
     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
           int desiredWidth, int desiredHeight);
 };

+

 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 
 

-bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,

           int desiredWidth, int desiredHeight)
 {
 #if wxUSE_METAFILE
           int desiredWidth, int desiredHeight)
 {
 #if wxUSE_METAFILE


@@ -1448,23 +1580,25 @@ bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, lo
     if ( thePict )
     {
         wxMetafile mf ;
     if ( thePict )
     {
         wxMetafile mf ;

-        mf.SetHMETAFILE((WXHMETAFILE) thePict ) ;
+
+        mf.SetHMETAFILE( (WXHMETAFILE) thePict ) ;

         bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ;
         wxMemoryDC dc ;
         dc.SelectObject( *bitmap ) ;
         mf.Play( &dc ) ;
         dc.SelectObject( wxNullBitmap ) ;
         bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ;
         wxMemoryDC dc ;
         dc.SelectObject( *bitmap ) ;
         mf.Play( &dc ) ;
         dc.SelectObject( wxNullBitmap ) ;

+

         return true ;
     }
         return true ;
     }

-#endif //wxUSE_METAFILE
+#endif
+

     return false ;
 }
 
     return false ;
 }
 

-

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

-    AddHandler(new wxPICTResourceHandler) ;
-    AddHandler(new wxICONResourceHandler) ;
+    AddHandler( new wxPICTResourceHandler ) ;
+    AddHandler( new wxICONResourceHandler ) ;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1474,14 +1608,13 @@ void wxBitmap::InitStandardHandlers()
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
 {
     if ( !Ok() )
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
 {
     if ( !Ok() )

-    {

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

-    }

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

+

     return GetRawAccess() ;
 }
 
     return GetRawAccess() ;
 }
 


@@ -1490,52 +1623,50 @@ void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
     if ( !Ok() )
         return;
 
     if ( !Ok() )
         return;
 

-    // TODO : if we have some information about the API we should check
+    // TODO: if we have some information about the API we should check

     // this code looks strange...
 
     // this code looks strange...
 

-    if ( M_BITMAPDATA->HasAlpha() )
-    {
-        wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase;
+    if ( !M_BITMAPDATA->HasAlpha() )
+        return;

 
 

-        int w = data.GetWidth(),
-            h = data.GetHeight();
+    wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase;
+    int w = data.GetWidth();
+    int 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;
+    wxBitmap bmpMask( GetWidth(), GetHeight(), 32 );
+    wxAlphaPixelData dataMask( bmpMask, data.GetOrigin(), wxSize( w, h ) );
+    wxAlphaPixelData::Iterator pMask( dataMask ), p( data );

 
 

-            for ( int x = 0; x < w; x++ )
-            {
-                const wxAlphaPixelData::Iterator::ChannelType
-                    alpha = p.Alpha();
-
-                pMask.Red() = alpha;
-                pMask.Green() = alpha;
-                pMask.Blue() = alpha;
+    for ( int y = 0; y < h; y++ )
+    {
+        wxAlphaPixelData::Iterator rowStartMask = pMask;
+        wxAlphaPixelData::Iterator rowStart = p;

 
 

-                ++p;
-                ++pMask;
-            }
+        for ( int x = 0; x < w; x++ )
+        {
+            const wxAlphaPixelData::Iterator::ChannelType alpha = p.Alpha();

 
 

-            p = rowStart;
-            p.OffsetY(data, 1);
+            pMask.Red() = alpha;
+            pMask.Green() = alpha;
+            pMask.Blue() = alpha;

 
 

-            pMask = rowStartMask;
-            pMask.OffsetY(dataMask, 1);
+            ++p;
+            ++pMask;

         }
 
         }
 

-        SetMask(new wxMask(bmpMask));
+        p = rowStart;
+        p.OffsetY( data, 1 );
+
+        pMask = rowStartMask;
+        pMask.OffsetY( dataMask, 1 );

     }
     }

+
+    SetMask( new wxMask( bmpMask ) );

 }
 
 void wxBitmap::UseAlpha()
 {
 }
 
 void wxBitmap::UseAlpha()
 {

-    // remember that we are using alpha channel, we'll need to create a proper
-    // mask in UngetRawData()
+    // remember that we are using alpha channel:
+    // we'll need to create a proper mask in UngetRawData()

     M_BITMAPDATA->UseAlpha( true );
 }
     M_BITMAPDATA->UseAlpha( true );
 }