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gui.py
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gui.py
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import dearpygui.dearpygui as dpg
import numpy as np
from array import array
from stylegan2 import Generator
import torch
device = 'cpu'
image_width, image_height, channel = 256, 256, 3
generator = Generator(256, 512, 8)
dpg.create_context()
dpg.create_viewport(title='DragGAN', width=800, height=650)
raw_data = array('f', [1]*(image_width*image_height*channel))
with dpg.texture_registry(show=False):
dpg.add_raw_texture(
width=image_width, height=image_height, default_value=raw_data,
format=dpg.mvFormat_Float_rgb, tag="image"
)
def generate_image(sender, app_data, user_data):
count = image_width*image_height*channel
with torch.no_grad():
z = torch.randn(1, 512).to(device)
image = generator([z])[0][0].detach().cpu().permute(1, 2, 0).numpy()
image = (image / 2 + 0.5).clip(0, 1).reshape(count)
for i in range(0, count):
raw_data[i] = image[i]
def change_device(sender, app_data):
global device, generator
if app_data != device:
generator = generator.to(app_data)
device = app_data
width, height = 200, 200
posx, posy = 0, 0
with dpg.window(
label='Network & Latent', width=width, height=height, pos=(posx, posy),
no_move=True, no_close=True, no_collapse=True, no_resize=True,
):
dpg.add_text('device', pos=(5, 20))
dpg.add_combo(
('cpu', 'cuda'), default_value='cpu', width=60, pos=(70, 20),
callback=change_device,
)
dpg.add_text('weight', pos=(5, 40))
def select_cb(sender, app_data):
selections = app_data['selections']
if selections:
for fn in selections:
fp = selections[fn]
print(f'loading checkpoint from {fp}...')
ckpt = torch.load(fp, map_location=device)
generator.load_state_dict(ckpt["g_ema"], strict=False)
print('loading checkpoint successed!')
break
def cancel_cb(sender, app_data):
...
with dpg.file_dialog(
directory_selector=False, show=False, callback=select_cb, id='weight selector',
cancel_callback=cancel_cb, width=700 ,height=400
):
dpg.add_file_extension('.*')
dpg.add_button(
label="select weight", callback=lambda: dpg.show_item("weight selector"),
pos=(70, 40),
)
dpg.add_text('latent', pos=(5, 60))
dpg.add_button(label="generate", pos=(5, 80), callback=generate_image)
posy += height + 2
with dpg.window(
label='Drag', width=width, height=height, pos=(posx, posy),
no_move=True, no_close=True, no_collapse=True, no_resize=True,
):
...
posy += height + 2
with dpg.window(
label='Capture', width=width, height=height, pos=(posx, posy),
no_move=True, no_close=True, no_collapse=True, no_resize=True,
):
...
def draw_point(x, y, color):
x_start, x_end = max(0, x - 2), min(image_width, x + 2)
y_start, y_end = max(0, y - 2), min(image_height, y + 2)
for x in range(x_start, x_end):
for y in range(y_start, y_end):
offset = (y*image_width+x)*3
raw_data[offset] = color[0]
raw_data[offset+1] = color[1]
raw_data[offset+2] = color[2]
def select_point(sender, app_data):
ms_pos = dpg.get_mouse_pos(local=False)
id_pos = dpg.get_item_pos('image_data')
iw_pos = dpg.get_item_pos('Image Win')
ix = int(ms_pos[0]-id_pos[0]-iw_pos[0])
iy = int(ms_pos[1]-id_pos[1]-iw_pos[1])
draw_point(ix, iy, (1, 0, 0))
posx, posy = 2 + width, 0
with dpg.window(
label='Image', pos=(posx, posy), tag='Image Win',
no_move=True, no_close=True, no_collapse=True, autosize=True,
):
dpg.add_image("image", show=True, tag='image_data', pos=(10, 30))
with dpg.item_handler_registry(tag='double_clicked_handler'):
dpg.add_item_double_clicked_handler(callback=select_point)
dpg.bind_item_handler_registry("image_data", "double_clicked_handler")
dpg.setup_dearpygui()
dpg.show_viewport()
dpg.start_dearpygui()
dpg.destroy_context()