- alias Quantum = float;
- ushort QuantumRange;
The largest value that fits in a Quantum, This is the same as Quantum.max except when the Quantum dept is 64 bits.
- alias TransparentOpacity = QuantumRange;
Fully transparent Quantum.
- int OpaqueOpacity;
Fully opaque Quantum.
- enum ChannelType: int;
Specify an image channel. A channel is a color component of a pixel. In the RGB colorspace the channels are red, green, and blue. There may also be an alpha (transparency/opacity) channel. In the CMYK colorspace the channels area cyan, magenta, yellow, and black. In the HSL colorspace the channels are hue, saturation, and lightness. In the Gray colorspace the only channel is gray.
Same as OpacityChannel
extract actual alpha channel from opacity
set alpha from grayscale mask in RGB
channels should be modified equally
Same as AllChannels, excluding OpacityChannel
- enum ClassType: int;
Specify the image storage class.