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# from align import align_from_path
from animation import clear_img_dir
from app_backend import ImagePromptOptimizer, log
from functools import cache
import importlib
import gradio as gr
import matplotlib.pyplot as plt
import torch
import torchvision
import wandb
from icecream import ic
from torch import nn
from torchvision.transforms.functional import resize
from tqdm import tqdm
from transformers import CLIPModel, CLIPProcessor
import lpips
from app_backend import get_resized_tensor
from edit import blend_paths
from img_processing import *
from img_processing import custom_to_pil
from loaders import load_default
num = 0
class PromptTransformHistory():
def __init__(self, iterations) -> None:
self.iterations = iterations
self.transforms = []
class ImageState:
def __init__(self, vqgan, prompt_optimizer: ImagePromptOptimizer) -> None:
self.vqgan = vqgan
self.device = vqgan.device
self.blend_latent = None
self.quant = True
self.path1 = None
self.path2 = None
self.transform_history = []
self.attn_mask = None
self.prompt_optim = prompt_optimizer
self._load_vectors()
self.init_transforms()
def _load_vectors(self):
self.lip_vector = torch.load("./latent_vectors/lipvector.pt", map_location=self.device)
self.red_blue_vector = torch.load("./latent_vectors/2blue_eyes.pt", map_location=self.device)
self.green_purple_vector = torch.load("./latent_vectors/nose_vector.pt", map_location=self.device)
self.asian_vector = torch.load("./latent_vectors/asian10.pt", map_location=self.device)
def init_transforms(self):
self.blue_eyes = torch.zeros_like(self.lip_vector)
self.lip_size = torch.zeros_like(self.lip_vector)
self.asian_transform = torch.zeros_like(self.lip_vector)
self.current_prompt_transforms = [torch.zeros_like(self.lip_vector)]
self.hair_gp = torch.zeros_like(self.lip_vector)
def clear_transforms(self):
global num
self.init_transforms()
clear_img_dir()
num = 0
return self._render_all_transformations()
def _apply_vector(self, src, vector):
new_latent = torch.lerp(src, src + vector, 1)
return new_latent
def _decode_latent_to_pil(self, latent):
current_im = self.vqgan.decode(latent.to(self.device))[0]
return custom_to_pil(current_im)
# def _get_current_vector_transforms(self):
# current_vector_transforms = (self.blue_eyes, self.lip_size, self.hair_gp, self.asian_transform, sum(self.current_prompt_transforms))
# return (self.blend_latent, current_vector_transforms)
# @cache
def get_mask(self, img, mask=None):
if img and "mask" in img and img["mask"] is not None:
attn_mask = torchvision.transforms.ToTensor()(img["mask"])
attn_mask = torch.ceil(attn_mask[0].to(self.device))
plt.imshow(attn_mask.detach().cpu(), cmap="Blues")
plt.show()
torch.save(attn_mask, "test_mask.pt")
print("mask set successfully")
# attn_mask = self.rescale_mask(attn_mask)
print(type(attn_mask))
print(attn_mask.shape)
else:
attn_mask = mask
print("mask in apply ", get_resized_tensor(attn_mask), get_resized_tensor(attn_mask).shape)
return attn_mask
def set_mask(self, img):
attn_mask = self.get_mask(img)
self.attn_mask = attn_mask
# attn_mask = torch.ones_like(img, device=self.device)
x = attn_mask.clone()
x = x.detach().cpu()
x = torch.clamp(x, -1., 1.)
x = (x + 1.)/2.
x = x.numpy()
x = (255*x).astype(np.uint8)
x = Image.fromarray(x, "L")
return x
@torch.no_grad()
def _render_all_transformations(self, return_twice=True):
global num
current_vector_transforms = (self.blue_eyes, self.lip_size, self.hair_gp, self.asian_transform, sum(self.current_prompt_transforms))
new_latent = self.blend_latent + sum(current_vector_transforms)
if self.quant:
new_latent, _, _ = self.vqgan.quantize(new_latent.to(self.device))
image = self._decode_latent_to_pil(new_latent)
img_dir = "./img_history"
if not os.path.exists(img_dir):
os.mkdir(img_dir)
image.save(f"./img_history/img_{num:06}.png")
num += 1
return (image, image) if return_twice else image
def apply_gp_vector(self, weight):
self.hair_gp = weight * self.green_purple_vector
return self._render_all_transformations()
def apply_rb_vector(self, weight):
self.blue_eyes = weight * self.red_blue_vector
return self._render_all_transformations()
def apply_lip_vector(self, weight):
self.lip_size = weight * self.lip_vector
return self._render_all_transformations()
def update_requant(self, val):
print(f"val = {val}")
self.quant = val
return self._render_all_transformations()
def apply_gender_vector(self, weight):
self.asian_transform = weight * self.asian_vector
return self._render_all_transformations()
def update_images(self, path1, path2, blend_weight):
if path1 is None and path2 is None:
return None
if path1 is None: path1 = path2
if path2 is None: path2 = path1
self.path1, self.path2 = path1, path2
# self.aligned_path1 = align_from_path(path1)
# self.aligned_path2 = align_from_path(path2)
return self.blend(blend_weight)
@torch.no_grad()
def blend(self, weight):
_, latent = blend_paths(self.vqgan, self.path1, self.path2, weight=weight, show=False, device=self.device)
self.blend_latent = latent
return self._render_all_transformations()
@torch.no_grad()
def rewind(self, index):
if not self.transform_history:
print("no history")
return self._render_all_transformations()
prompt_transform = self.transform_history[-1]
latent_index = int(index / 100 * (prompt_transform.iterations - 1))
print(latent_index)
self.current_prompt_transforms[-1] = prompt_transform.transforms[latent_index]
# print(self.current_prompt_transform)
# print(self.current_prompt_transforms.mean())
return self._render_all_transformations()
def rescale_mask(self, mask):
rep = mask.clone()
rep[mask < 0.03] = -1000000
rep[mask >= 0.03] = 1
return rep
def apply_prompts(self, positive_prompts, negative_prompts, lr, iterations, lpips_weight, reconstruction_steps):
transform_log = PromptTransformHistory(iterations + reconstruction_steps)
transform_log.transforms.append(torch.zeros_like(self.blend_latent, requires_grad=False))
self.current_prompt_transforms.append(torch.zeros_like(self.blend_latent, requires_grad=False))
if log:
wandb.init(reinit=True, project="face-editor")
wandb.config.update({"Positive Prompts": positive_prompts})
wandb.config.update({"Negative Prompts": negative_prompts})
wandb.config.update(dict(
lr=lr,
iterations=iterations,
lpips_weight=lpips_weight
))
positive_prompts = [prompt.strip() for prompt in positive_prompts.split("|")]
negative_prompts = [prompt.strip() for prompt in negative_prompts.split("|")]
self.prompt_optim.set_params(lr, iterations, lpips_weight, attn_mask=self.attn_mask, reconstruction_steps=reconstruction_steps)
for i, transform in enumerate(self.prompt_optim.optimize(self.blend_latent,
positive_prompts,
negative_prompts)):
transform_log.transforms.append(transform.clone().detach())
self.current_prompt_transforms[-1] = transform
with torch.no_grad():
image = self._render_all_transformations(return_twice=False)
if log:
wandb.log({"image": wandb.Image(image)})
yield (image, image)
if log:
wandb.finish()
self.attn_mask = None
self.transform_history.append(transform_log)
# transform = self.prompt_optim.optimize(self.blend_latent,
# positive_prompts,
# negative_prompts)
# self.prompt_transforms = transform
# return self._render_all_transformations() |