+size_t UMAPutBytesCFRefCallback( void *info, const void *bytes, size_t count )
+{
+ CFMutableDataRef data = (CFMutableDataRef) info;
+ if ( data )
+ {
+ CFDataAppendBytes( data, (const UInt8*) bytes, count );
+ }
+ return count;
+}
+
+void UMAReleaseCFDataProviderCallback(void *info,
+ const void *WXUNUSED(data),
+ size_t WXUNUSED(count))
+{
+ if ( info )
+ CFRelease( (CFDataRef) info );
+}
+
+void UMAReleaseCFDataConsumerCallback( void *info )
+{
+ if ( info )
+ CFRelease( (CFDataRef) info );
+}
+
+CGDataProviderRef UMACGDataProviderCreateWithCFData( CFDataRef data )
+{
+ if ( data == NULL )
+ return NULL;
+
+ return CGDataProviderCreateWithCFData( data );
+}
+
+CGDataConsumerRef UMACGDataConsumerCreateWithCFData( CFMutableDataRef data )
+{
+ if ( data == NULL )
+ return NULL;
+
+ return CGDataConsumerCreateWithCFData( data );
+}