InvokeAI/invokeai/app/invocations/controlnet_image_processors.py

127 lines
4.8 KiB
Python

from typing import Literal, Optional, Union, List
from pydantic import BaseModel, Field
from ..models.image import ImageField, ImageType
from .baseinvocation import (
BaseInvocation,
BaseInvocationOutput,
InvocationContext,
InvocationConfig,
)
from controlnet_aux import (
CannyDetector,
HEDdetector,
LineartDetector,
LineartAnimeDetector,
MidasDetector,
MLSDdetector,
NormalBaeDetector,
OpenposeDetector,
PidiNetDetector,
ContentShuffleDetector,
# StyleShuffleDetector,
ZoeDetector)
from .image import ImageOutput, build_image_output, PILInvocationConfig
class ControlField(BaseModel):
image: ImageField = Field(default=None, description="processed image")
# width: Optional[int] = Field(default=None, description="The width of the image in pixels")
# height: Optional[int] = Field(default=None, description="The height of the image in pixels")
# mode: Optional[str] = Field(default=None, description="The mode of the image")
control_model: Optional[str] = Field(default=None, description="The control model used")
control_weight: Optional[float] = Field(default=None, description="The control weight used")
class Config:
schema_extra = {
"required": ["image", "control_model", "control_weight"]
# "required": ["type", "image", "width", "height", "mode"]
}
class ControlOutput(BaseInvocationOutput):
"""node output for ControlNet info"""
# fmt: off
type: Literal["control_output"] = "control_output"
control: Optional[ControlField] = Field(default=None, description="The control info dict")
# image: ImageField = Field(default=None, description="outputs just them image info (which is also included in control output)")
# fmt: on
class PreprocessedControlInvocation(BaseInvocation, PILInvocationConfig):
"""Base class for invocations that preprocess images for ControlNet"""
# fmt: off
type: Literal["preprocessed_control"] = "preprocessed_control"
# Inputs
image: ImageField = Field(default=None, description="image to process")
control_model: str = Field(default=None, description="control model to use")
control_weight: float = Field(default=0.5, ge=0, le=1, description="control weight")
# begin_step_percent: float = Field(default=0, ge=0, le=1,
# description="% of total steps at which controlnet is first applied")
# end_step_percent: float = Field(default=1, ge=0, le=1,
# description="% of total steps at which controlnet is last applied")
# guess_mode: bool = Field(default=False, description="use guess mode (controlnet ignores prompt)")
# fmt: on
# This super class handles invoke() call, which in turn calls run_processor(image)
# subclasses override run_processor instead of implementing their own invoke()
def run_processor(self, image):
# superclass just passes through image without processing
return image
def invoke(self, context: InvocationContext) -> ControlOutput:
image = context.services.images.get(
self.image.image_type, self.image.image_name
)
# image type should be PIL.PngImagePlugin.PngImageFile ?
processed_image = self.run_processor(image)
image_type = ImageType.INTERMEDIATE
image_name = context.services.images.create_name(
context.graph_execution_state_id, self.id
)
metadata = context.services.metadata.build_metadata(
session_id=context.graph_execution_state_id, node=self
)
context.services.images.save(image_type, image_name, processed_image, metadata)
"""Builds an ImageOutput and its ImageField"""
image_field = ImageField(
image_name=image_name,
image_type=image_type,
)
return ControlOutput(
control=ControlField(
image=image_field,
control_model=self.control_model,
control_weight=self.control_weight,
)
)
class CannyControlInvocation(PreprocessedControlInvocation, PILInvocationConfig):
"""Canny edge detection for ControlNet"""
# fmt: off
type: Literal["canny_control"] = "canny_control"
# Inputs
low_threshold: float = Field(default=100, ge=0, description="low threshold of Canny pixel gradient")
high_threshold: float = Field(default=200, ge=0, description="high threshold of Canny pixel gradient")
# fmt: on
def run_processor(self, image):
print("**** running Canny processor ****")
print("image type: ", type(image))
canny_processor = CannyDetector()
processed_image = canny_processor(image, self.low_threshold, self.high_threshold)
print("processed image type: ", type(image))
return processed_image