Enumeration HrzProtocol.AlphaChannelUsage

Defined in hrz/protocol/raster/sampling.proto.

IGNORE_ALPHA_CHANNEL (0)

Opaque image.

USE_ALPHA_CHANNEL (1)

Use the alpha channel.

USE_ALPHA_CHANNEL_PREMULTIPLIED (2)

Use the alpha channel. Color channels are already pre-multiplied.