OpacityChannel     67 magick/accelerate-private.h OpacityChannel = 0x0008,
OpacityChannel     80 magick/accelerate-private.h DefaultChannels = ((AllChannels | SyncChannels) &~ OpacityChannel)
OpacityChannel    188 magick/magick-type.h OpacityChannel = 0x0008,
OpacityChannel    201 magick/magick-type.h DefaultChannels = ((AllChannels | SyncChannels) &~ OpacityChannel)