abstract class CrImage::Image
- CrImage::Image
- Reference
- Object
Overview
Common base class for GrayscaleImage
and RGBAImage
. All Image
s are readable and saveable
to the filesystem or IO
stream.
Direct Known Subclasses
Defined in:
cr-image/image.crMacro Summary
Instance Method Summary
-
#[](channel_type : ChannelType) : Array(UInt8)
Get the
Array(UInt8)
corresponding tochannel_type
) -
#[]=(channel_type : ChannelType, channel : Array(UInt8)) : Array(UInt8)
Set the
Array(UInt8)
corresponding tochannel_type
) tochannel
-
#alpha : Array(UInt8)
Return the alpha channel
-
#blue : Array(UInt8)
Return the blue channel
-
#each_channel(& : Array(UInt8), ChannelType -> Nil) : Nil
Run provided block on each channel supported by this image.
-
#each_color_channel(& : Array(UInt8), ChannelType -> Nil) : Nil
Run provided block on each channel supported by this image.
-
#green : Array(UInt8)
Return the green channel
-
#height : Int32
Height of image
-
#red : Array(UInt8)
Return the red channel
- #size : Int32
-
#width : Int32
Width of image
Macro Detail
Instance Method Detail
abstract
def [](channel_type : ChannelType) : Array(UInt8)
#
Get the Array(UInt8)
corresponding to channel_type
)
abstract
def []=(channel_type : ChannelType, channel : Array(UInt8)) : Array(UInt8)
#
Set the Array(UInt8)
corresponding to channel_type
) to channel
abstract
def each_channel(& : Array(UInt8), ChannelType -> Nil) : Nil
#
Run provided block on each channel supported by this image.
abstract
def each_color_channel(& : Array(UInt8), ChannelType -> Nil) : Nil
#
Run provided block on each channel supported by this image.