CavinHuang-comfyui-nodes-docs/docs/LayerColor%3A YUV.md

Documentation

• Class name: ColorCorrectYUV
• Category: 😺dzNodes/LayerColor
• Output node: False
• Repo Ref: https://github.com/chflame163/ComfyUI_LayerStyle

对图像的YUV各通道进行调整。

Input types

Required

• image

  • 输入的图片。
  • Comfy dtype: IMAGE
  • Python dtype: torch.Tensor

• Y

  • Y通道的调整值。
  • Comfy dtype: INT
  • Python dtype: int
  • Options: {"default": 0, "min": -255, "max": 255, "step": 1}

• U

  • U通道的调整值。
  • Comfy dtype: INT
  • Python dtype: int
  • Options: {"default": 0, "min": -255, "max": 255, "step": 1}

• V

  • V通道的调整值。
  • Comfy dtype: INT
  • Python dtype: int
  • Options: {"default": 0, "min": -255, "max": 255, "step": 1}

Output types

• image
  • 输出的图片。
  • Comfy dtype: IMAGE
  • Python dtype: torch.Tensor

Usage tips

• Infra type: GPU

Source code

class ColorCorrectYUV:

    def __init__(self):
        pass

    @classmethod
    def INPUT_TYPES(self):

        return {
            "required": {
                "image": ("IMAGE", ),  #
                "Y": ("INT", {"default": 0, "min": -255, "max": 255, "step": 1}),
                "U": ("INT", {"default": 0, "min": -255, "max": 255, "step": 1}),
                "V": ("INT", {"default": 0, "min": -255, "max": 255, "step": 1}),
            },
            "optional": {
            }
        }

    RETURN_TYPES = ("IMAGE",)
    RETURN_NAMES = ("image",)
    FUNCTION = 'color_correct_YUV'
    CATEGORY = '😺dzNodes/LayerColor'

    def color_correct_YUV(self, image, Y, U, V):

        ret_images = []

        for i in image:
            i = torch.unsqueeze(i, 0)
            __image = tensor2pil(i)
            _y, _u, _v = tensor2pil(i).convert('YCbCr').split()
            if Y != 0 :
                _y = image_gray_offset(_y, Y)
            if U != 0 :
                _u = image_gray_offset(_u, U)
            if V != 0 :
                _v = image_gray_offset(_v, V)
            ret_image = image_channel_merge((_y, _u, _v), 'YCbCr')

            if __image.mode == 'RGBA':
                ret_image = RGB2RGBA(ret_image, __image.split()[-1])

            ret_images.append(pil2tensor(ret_image))

        log(f"{NODE_NAME} Processed {len(ret_images)} image(s).", message_type='finish')
        return (torch.cat(ret_images, dim=0),)