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import os
import cv2
import torch
import numpy as np
from omegaconf import OmegaConf
from random import randint
import json
# import codecs
from . import dongba_sd_helper as sd_helper
from PIL import Image
from .dongda_gpt_helper import GPTHelper
from .omegaconf_utils import load_from_config
import gradio as gr
def _overlay_composition(img, x, y, w, h, alpha, clr, composition_image):
# img to weights
paint = 1.0 - (img.astype(float) / 255.0).mean(axis=2)
# clip
mask = (paint > 0.25)
paint[mask] = 1.0
paint[~mask] = 0.0
# # gamma before resize
# paint = np.power(paint, 1.0 / 2.2)
t = int(min(max(composition_image.shape[0] * y, 0), composition_image.shape[0] - 2))
b = int(min(max(composition_image.shape[0] * (y + h), 0), composition_image.shape[0] - 1))
l = int(min(max(composition_image.shape[1] * x, 0), composition_image.shape[1] - 2))
r = int(min(max(composition_image.shape[1] * (x + w), 0), composition_image.shape[1] - 1))
to_w = int(r - l)
to_h = int(b - t)
paint = cv2.resize(paint, (to_w, to_h))[:, :, None]
# # gamma after resize
# paint = np.power(paint, 2.2)
# blending
block = composition_image[t:b, l:r, :]
block = block * (1.0 - paint * alpha) + (clr[None, None, :] * paint * alpha)
composition_image[t:b, l:r, :] = block
return composition_image
class DongbaDreamer():
def __init__(self, config) -> None:
self.setup_config(config)
self.reset_logs()
def reset_logs(self):
self.logs = 'Dongba Dreamer\n'
def setup_config(self, config):
self.config = config
config.gpt.yaml_dir = config.yaml_dir
# gpt
self.gpt_helper = GPTHelper(config.gpt)
self.gpt_helper.log = self.log
# sd
if config.get('generator_sd', None):
self.generator_sd = sd_helper.SDHelper(config.generator_sd)
if config.get('controlnet_sd', None):
self.controlnet_sd = sd_helper.SDHelper(config.controlnet_sd)
def get_logs(self):
return self.logs
def log(self, text, end='\n'):
print(f'{text}')
self.logs += text + end
##################################################
def composite_image(self, canvas_width, canvas_height):
dat_dir = self.config.dat_dir
composition_image = np.zeros((canvas_height, canvas_width, 3))
x_max = max([item['x'] for item in self.info['composition']])
y_max = max([item['y'] for item in self.info['composition']])
x_max = x_max * 1.2
y_max = y_max * 1.2
for item in self.info['composition']:
idx = item['idx']
img_dir = os.path.join(dat_dir, f'{idx+1:04d}')
if not os.path.exists(img_dir):
self.log(f'{img_dir} not exist!')
continue
img_fns = [fn for fn in os.listdir(img_dir) if fn.endswith('.png')]
if len(img_fns) == 0:
self.log(f'{img_dir} is empty!')
continue
x = item['x'] / x_max
y = item['y'] / y_max
w = 180 / canvas_width
h = 180 / canvas_height
x = x - w / 2
y = y - h / 2
select_i = randint(0, len(img_fns)-1)
img_fn = os.path.join(img_dir, img_fns[select_i])
img = cv2.imread(img_fn, cv2.IMREAD_UNCHANGED)
img, alpha = img[:, :, :3], img[:, :, 3:]
clr = np.array([1.0, 1.0, 1.0])
img = 255 - img
img[img < 250] = 0
alpha = 1.0
composition_image = _overlay_composition(img, x, y, w, h, alpha, clr, composition_image)
composition_image = (composition_image.clip(0, 1) * 255).astype(np.uint8)
return composition_image
##################################################
def process_words(self, image_topic, canvas_width, canvas_height, num_words=0):
if image_topic is None or len(image_topic) == 0:
return []
self.log('----------------------------------------')
self.log(f'这幅画的主题是:')
self.log(f'{image_topic}')
self.log(f'分辨率是 {canvas_width}x{canvas_height}')
self.log('----------------------------------------')
self.log(f'<GPT> 生成 stable diffusion prompt: ')
image_prompt = self.gpt_helper.query_image_prompt(image_topic)
image_prompt = 'Joan Miro style abstract painting. ' + image_prompt
self.log(f'{image_prompt}')
self.log('----------------------------------------')
keywords = self.gpt_helper.query_keywords(image_topic)
self.log(f'<GPT> 画面关键词有:{keywords}')
self.log('----------------------------------------')
##################################################
self.log(f'查询东巴文数据库:')
words_to_use = []
for keyword in keywords:
words = self.gpt_helper.query_in_faiss_db(keyword)
if len(words) > 0:
select_i = 0
self.log(f"- {keyword}: {[w['word'] for w in words]}, 选择:{words[select_i]['word']}")
words_to_use.append(words[select_i])
# keywords_to_query = ', '.join([w['word'] for w in words_to_use])
keywords_to_query = ', '.join([f"{w['idx']}:{w['word']}" for w in words_to_use])
self.log('----------------------------------------')
##################################################
self.info = {
'image_topic': image_topic,
'keywords': keywords,
'words_to_use': words_to_use,
'keywords_to_query': keywords_to_query,
}
# info_fn = os.path.join(self.config.work_dir, 'info.json')
# with codecs.open(info_fn, 'w', encoding='utf-8') as fp:
# json.dump(self.info, fp, indent=4, ensure_ascii=False)
##################################################
self.log('<gpt> 生成构图...', end='')
composition_txt = self.gpt_helper.query_composition(image_topic, keywords_to_query, canvas_width, canvas_height, num_words=num_words)
self.log(composition_txt)
composition_txt = composition_txt.replace('```', '')
composition_txt = composition_txt.replace('json', '')
# with open(os.path.join(self.config.work_dir, 'composition.json'), 'w') as fp:
# fp.write(composition_txt)
composition = json.loads(composition_txt.replace('/n', ''))
self.info.update({
'composition': composition,
})
# with codecs.open(info_fn, 'w', encoding='utf-8') as fp:
# json.dump(self.info, fp, indent=4, ensure_ascii=False)
##################################################
word_images = []
self.log('构图由远及近分别是:')
for word_i, item in enumerate(composition):
idx = item['idx']
img_dir = os.path.join(self.config.dat_dir, f'{idx+1:04d}')
if not os.path.exists(img_dir):
self.log(f'{img_dir} not exist!')
continue
self.log(f'- {item["name"]}')
img_fns = [fn for fn in os.listdir(img_dir) if fn.endswith('.png')]
# select_i = randint(0, len(img_fns)-1)
select_i = 0
img_fn = os.path.join(img_dir, img_fns[select_i])
img = cv2.imread(img_fn)
self.info['composition'][word_i]['select_i'] = select_i
word_images.append(Image.fromarray(img))
self.log('----------------------------------------')
self.word_images = word_images
# composite
composition_image = self.composite_image(canvas_width, canvas_height)
return {
'word_images': word_images,
'image_prompt': image_prompt,
'composition_image': composition_image,
}
##################################################
def process_sd(self, image_prompt, composition_image):
self.log(f'<sd> 生成图片: {image_prompt}')
if self.config.condition_type == 'mixed_canny':
reference_image = self.generator_sd.forward(image_prompt)[0]
composition_image = composition_image
control_canny = sd_helper.make_merged_canny(composition_image, reference_image, 0.5)
control_image = Image.fromarray(control_canny)
# control_image.save(os.path.join(work_dir, 'control_canny.jpg'))
self.log('<sd> 注入灵魂...')
rlt_image = self.controlnet_sd.forward(image_prompt, control_image=control_image)
# image.save(os.path.join(work_dir, "moon-v1.5-canny.png"))
images = [*rlt_image, control_image,
reference_image,
Image.fromarray(composition_image)]
else:
control_image = Image.fromarray(composition_image)
rlt_image = self.controlnet_sd.forward(image_prompt, control_image=control_image)
images = [*rlt_image, control_image]
return images
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