memset( data , 0 , size ) ;
m_memBuf.UngetWriteBuf( size ) ;
CGImageAlphaInfo alpha = CGImageGetAlphaInfo(image);
- if ( alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipLast || alpha == kCGImageAlphaNoneSkipLast )
+ if ( alpha == kCGImageAlphaNone || alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast )
{
m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
}