☼ Image Brightness Adjustment

Documentation

• Class name: Image Brightness Adjustment [Dream]
• Category: ✨ Dream/🌄 image/🎨 color
• Output node: False

This node adjusts the brightness of an image based on a specified factor, enhancing or dimming the image's overall luminance.

Input types

Required

• image
  • The image to be processed for brightness adjustment. It serves as the primary input on which the brightness modification is performed.
  • Comfy dtype: IMAGE
  • Python dtype: DreamImage
• factor
  • A multiplier for adjusting the brightness. Values greater than 1.0 increase brightness, while values less than 1.0 decrease it.
  • Comfy dtype: FLOAT
  • Python dtype: float

Output types

• image
  • Comfy dtype: IMAGE
  • The resulting image after the brightness adjustment has been applied.
  • Python dtype: DreamImage

Usage tips

• Infra type: CPU
• Common nodes: unknown

Source code

class DreamImageBrightness:
    NODE_NAME = "Image Brightness Adjustment"
    ICON = "☼"

    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {"image": ("IMAGE",),
                         "factor": ("FLOAT", {"default": 1.0, "min": 0.0}),
                         },

        }

    CATEGORY = NodeCategories.IMAGE_COLORS
    RETURN_TYPES = ("IMAGE",)
    RETURN_NAMES = ("image",)
    FUNCTION = "result"

    @classmethod
    def IS_CHANGED(cls, *values):
        return ALWAYS_CHANGED_FLAG

    def result(self, image, factor):
        proc = DreamImageProcessor(inputs=image)

        def change(im: DreamImage, *a, **args):
            return (im.change_brightness(factor),)

        return proc.process(change)