WebUI/scripts/poor_mans_outpainting.py

153 lines
5.9 KiB
Python

import math
import modules.scripts as scripts
import gradio as gr
from PIL import Image, ImageDraw
from modules import images, processing, devices
from modules.processing import Processed, process_images
from modules.shared import opts, cmd_opts, state
import re
class Script(scripts.Script):
def title(self):
return "Poor man's outpainting"
def elem_id(self, item_id):
gen_elem_id = ('img2img' if self.is_img2img else 'txt2txt') + '_script_' + re.sub(r'\s', '_', self.title().lower()) + '_' + item_id
gen_elem_id = re.sub(r'[^a-z_0-9]', '', gen_elem_id)
return gen_elem_id
def show(self, is_img2img):
return is_img2img
def ui(self, is_img2img):
if not is_img2img:
return None
pixels = gr.Slider(label="Pixels to expand", minimum=8, maximum=256, step=8, value=128, elem_id=self.elem_id("pixels"))
mask_blur = gr.Slider(label='Mask blur', minimum=0, maximum=64, step=1, value=4, elem_id=self.elem_id("mask_blur"))
inpainting_fill = gr.Radio(label='Masked content', choices=['fill', 'original', 'latent noise', 'latent nothing'], value='fill', type="index", elem_id=self.elem_id("inpainting_fill"))
direction = gr.CheckboxGroup(label="Outpainting direction", choices=['left', 'right', 'up', 'down'], value=['left', 'right', 'up', 'down'], elem_id=self.elem_id("direction"))
return [pixels, mask_blur, inpainting_fill, direction]
def run(self, p, pixels, mask_blur, inpainting_fill, direction):
initial_seed = None
initial_info = None
p.mask_blur = mask_blur * 2
p.inpainting_fill = inpainting_fill
p.inpaint_full_res = False
left = pixels if "left" in direction else 0
right = pixels if "right" in direction else 0
up = pixels if "up" in direction else 0
down = pixels if "down" in direction else 0
init_img = p.init_images[0]
target_w = math.ceil((init_img.width + left + right) / 64) * 64
target_h = math.ceil((init_img.height + up + down) / 64) * 64
if left > 0:
left = left * (target_w - init_img.width) // (left + right)
if right > 0:
right = target_w - init_img.width - left
if up > 0:
up = up * (target_h - init_img.height) // (up + down)
if down > 0:
down = target_h - init_img.height - up
img = Image.new("RGB", (target_w, target_h))
img.paste(init_img, (left, up))
mask = Image.new("L", (img.width, img.height), "white")
draw = ImageDraw.Draw(mask)
draw.rectangle((
left + (mask_blur * 2 if left > 0 else 0),
up + (mask_blur * 2 if up > 0 else 0),
mask.width - right - (mask_blur * 2 if right > 0 else 0),
mask.height - down - (mask_blur * 2 if down > 0 else 0)
), fill="black")
latent_mask = Image.new("L", (img.width, img.height), "white")
latent_draw = ImageDraw.Draw(latent_mask)
latent_draw.rectangle((
left + (mask_blur//2 if left > 0 else 0),
up + (mask_blur//2 if up > 0 else 0),
mask.width - right - (mask_blur//2 if right > 0 else 0),
mask.height - down - (mask_blur//2 if down > 0 else 0)
), fill="black")
devices.torch_gc()
grid = images.split_grid(img, tile_w=p.width, tile_h=p.height, overlap=pixels)
grid_mask = images.split_grid(mask, tile_w=p.width, tile_h=p.height, overlap=pixels)
grid_latent_mask = images.split_grid(latent_mask, tile_w=p.width, tile_h=p.height, overlap=pixels)
p.n_iter = 1
p.batch_size = 1
p.do_not_save_grid = True
p.do_not_save_samples = True
work = []
work_mask = []
work_latent_mask = []
work_results = []
for (y, h, row), (_, _, row_mask), (_, _, row_latent_mask) in zip(grid.tiles, grid_mask.tiles, grid_latent_mask.tiles):
for tiledata, tiledata_mask, tiledata_latent_mask in zip(row, row_mask, row_latent_mask):
x, w = tiledata[0:2]
if x >= left and x+w <= img.width - right and y >= up and y+h <= img.height - down:
continue
work.append(tiledata[2])
work_mask.append(tiledata_mask[2])
work_latent_mask.append(tiledata_latent_mask[2])
batch_count = len(work)
print(f"Poor man's outpainting will process a total of {len(work)} images tiled as {len(grid.tiles[0][2])}x{len(grid.tiles)}.")
state.job_count = batch_count
for i in range(batch_count):
p.init_images = [work[i]]
p.image_mask = work_mask[i]
p.latent_mask = work_latent_mask[i]
state.job = f"Batch {i + 1} out of {batch_count}"
processed = process_images(p)
if initial_seed is None:
initial_seed = processed.seed
initial_info = processed.info
p.seed = processed.seed + 1
work_results += processed.images
image_index = 0
for y, h, row in grid.tiles:
for tiledata in row:
x, w = tiledata[0:2]
if x >= left and x+w <= img.width - right and y >= up and y+h <= img.height - down:
continue
tiledata[2] = work_results[image_index] if image_index < len(work_results) else Image.new("RGB", (p.width, p.height))
image_index += 1
combined_image = images.combine_grid(grid)
if opts.samples_save:
images.save_image(combined_image, p.outpath_samples, "", initial_seed, p.prompt, opts.grid_format, info=initial_info, p=p)
processed = Processed(p, [combined_image], initial_seed, initial_info)
return processed