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Gnome::Gsk4::ColorMatrixNode
Table of Contents
Description§
A render node controlling the color matrix of its single child node.
Class initialization§
new§
:native-object§
Create an object using a native object from an object of the same type found elsewhere. See also Gnome::N::TopLevelSupportClass.
multi method new ( N-Object() :$native-object! )
Code
new-colormatrixnode§
Creates a Gnome::Gsk4::RenderNode that will drawn the $child with $color-matrix.
In particular, the node will transform the operation
pixel = color_matrix * pixel + color_offset
Code
for every pixel.
method new-colormatrixnode ( N-Object() $child, N-Object $color-matrix, N-Object $color-offset --> Gnome::Gsk4::ColorMatrixNode \)
Code
- $child; The node to draw.
- $color-matrix; The matrix to apply
- $color-offset; Values to add to the color
Methods§
get-child§
Gets the child node that is getting its colors modified by the given $node.
method get-child (--> N-Object )
Code
Return value; The child that is getting its colors modified.
get-color-matrix§
Retrieves the color matrix used by the $node.
method get-color-matrix (--> N-Object )
Code
Return value; a 4x4 color matrix.
get-color-offset§
Retrieves the color offset used by the $node.
method get-color-offset (--> N-Object )
Code
Return value; a color vector.