ComfyUI/comfy_extras/nodes_images.py

import nodes
MAX_RESOLUTION = nodes.MAX_RESOLUTION

class ImageCrop:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": { "image": ("IMAGE",),
                              "width": ("INT", {"default": 512, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
                              "height": ("INT", {"default": 512, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
                              "x": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 1}),
                              "y": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 1}),
                              }}
    RETURN_TYPES = ("IMAGE",)
    FUNCTION = "crop"

    CATEGORY = "image/transform"

    def crop(self, image, width, height, x, y):
        x = min(x, image.shape[2] - 1)
        y = min(y, image.shape[1] - 1)
        to_x = width + x
        to_y = height + y
        img = image[:,y:to_y, x:to_x, :]
        return (img,)

class RepeatImageBatch:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": { "image": ("IMAGE",),
                              "amount": ("INT", {"default": 1, "min": 1, "max": 64}),
                              }}
    RETURN_TYPES = ("IMAGE",)
    FUNCTION = "repeat"

    CATEGORY = "image/batch"

    def repeat(self, image, amount):
        s = image.repeat((amount, 1,1,1))
        return (s,)

NODE_CLASS_MAPPINGS = {
    "ImageCrop": ImageCrop,
    "RepeatImageBatch": RepeatImageBatch,
}