BrushCue Example: Hue Adjust

You can use this tool online at https://www.brushcue.com/tools/hue-adjust

!pip install brushcue

import io
from PIL import Image

import brushcue as bc

hue_degrees = 0.0
graph = bc.Composition.monet_women_with_parasol().color_transformer_shader(
    "let angle_rad = hue_degrees * 0.0174532925;\nlet c = cos(angle_rad);\nlet s = sin(angle_rad);\nlet ab = mat2x2<f32>(c, s, -s, c) * input.gb;\nreturn vec4<f32>(input.r, ab.x, ab.y, input.a);",
    "",
    bc.ColorRepresentation.oklab_a(),
    bc.ColorRepresentation.oklab_a(),
    bc.Dictionary.create().add("hue_degrees", hue_degrees),
)

ctx = bc.Context()
composition = graph.execute(ctx)
data_bytes = composition.to_image_bytes(ctx)
img = Image.open(io.BytesIO(data_bytes))
img.thumbnail((400, 400))  # Remove this line for full resolution
img

[wgpu] using backend Metal — adapter 'Apple M5' (IntegratedGpu), driver ''