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from modules import script_callbacks
import gradio as gr
import numpy as np
from PIL import Image
import cv2
def check_alpha(img:np.array) -> bool:
return img.shape[-1] == 4 and (img[:, :, 3] < 255).any()
def preprocess_foreground(fg_img:Image, rotation:float, scale:float):
if not check_alpha(np.asarray(fg_img)):
print("Foreground Image contains no transparency...")
return None
w, h = fg_img.size
w = int(float(w) * scale)
h = int(float(h) * scale)
return fg_img.resize((w, h), resample=Image.BILINEAR).rotate(rotation, resample=Image.BILINEAR, expand=True)
def process_mask(bg: str, fg: str, tc: float, lt: float, ht: float, x:float, y:float, r:float, s:float):
if (bg is None) or (fg is None):
return [None, None]
fg_img = preprocess_foreground(Image.open(fg), r, s)
if fg_img is None:
return [None, None]
bg_img = Image.open(bg)
width, height = bg_img.size
new_fg = Image.new('RGBA', (width, height), (0, 0, 0, 0))
new_fg.paste(fg_img, (x, y), fg_img)
mask = np.asarray(new_fg)[:, :, 3]
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (3, 3))
edge = cv2.Canny(mask, lt, ht)
dilate = cv2.dilate(edge, kernel, iterations=tc)
bg_img.paste(new_fg, (0, 0), new_fg)
return [
bg_img,
dilate.astype("uint8")
]
def aaa_ui():
with gr.Blocks() as aaa_UI:
with gr.Row():
background = gr.Image(
image_mode="RGBA",
sources="upload",
type="filepath",
label="Background Image",
show_download_button=False,
interactive=True,
height=250
)
foreground = gr.Image(
image_mode="RGBA",
sources="upload",
type="filepath",
label="Foreground Image",
show_download_button=False,
interactive=True,
height=250
)
img = gr.Image(
image_mode="RGBA",
label="Blended Image",
elem_id="aaa_img",
interactive=False,
height=250,
)
mask = gr.Image(
image_mode="L",
label="Mask",
elem_id="aaa_mask",
interactive=False,
height=250
)
with gr.Row():
with gr.Column():
thicc = gr.Slider(
label="Mask Thickness", minimum=5, maximum=50, step=5, value=10
)
low_t = gr.Slider(
label="Low Threshold", minimum=0, maximum=255, step=1, value=0
)
high_t = gr.Slider(
label="High Threshold", minimum=0, maximum=255, step=1, value=100
)
with gr.Column():
offset_x = gr.Slider(
label="X Offset", minimum=-2048, maximum=2048, step=1, value=0
)
offset_y = gr.Slider(
label="Y Offset", minimum=-2048, maximum=2048, step=1, value=0
)
with gr.Row():
offset_r = gr.Slider(
label="Rotation", minimum=-180, maximum=180, step=1, value=0
)
offset_s = gr.Slider(
label="Scale", minimum=0.0, maximum=2.0, step=0.1, value=1.0
)
with gr.Row():
proc_btn = gr.Button("Process Mask", variant="primary")
send_btn = gr.Button("Send to Inpaint", variant="primary")
proc_btn.click(
process_mask,
inputs=[background, foreground, thicc, low_t, high_t, offset_x, offset_y, offset_r, offset_s],
outputs=[img, mask],
)
send_btn.click(
None, None, None,
_js="() => { aaa_sendImage2InpaintUpload(); }"
)
return [(aaa_UI, "AAA", "sd-webui-aaa")]
script_callbacks.on_ui_tabs(aaa_ui)
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