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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 draggan import DragGAN
from array import array
import threading
add_point = 0
point_color = [(1, 0, 0), (0, 0, 1)]
points, steps = [], 0
dragging = False
# mvFormat_Float_rgb not currently supported on macOS
# More details: https://dearpygui.readthedocs.io/en/latest/documentation/textures.html#formats
texture_format = dpg.mvFormat_Float_rgba
image_width, image_height, rgb_channel, rgba_channel = 256, 256, 3, 4
image_pixels = image_height * image_width
model = DragGAN('cpu')
dpg.create_context()
dpg.create_viewport(title='DragGAN', width=800, height=650)
raw_data_size = image_width * image_height * rgba_channel
raw_data = array('f', [1] * raw_data_size)
with dpg.texture_registry(show=False):
dpg.add_raw_texture(
width=image_width, height=image_height, default_value=raw_data,
format=texture_format, tag="image"
)
def update_image(new_image):
# Convert image data (rgb) to raw_data (rgba)
for i in range(0, image_pixels):
rd_base, im_base = i * rgba_channel, i * rgb_channel
raw_data[rd_base:rd_base + rgb_channel] = array(
'f', new_image[im_base:im_base + rgb_channel]
)
def generate_image(sender, app_data, user_data):
seed = dpg.get_value('seed')
image = model.generate_image(seed)
update_image(image)
def change_device(sender, app_data):
model.to(app_data)
def dragging_thread():
global points, steps, dragging
while (dragging):
status, ret = model.step(points)
if status:
points, image = ret
else:
dragging = False
return
update_image(image)
for i in range(len(points)):
draw_point(*points[i], point_color[i%2])
steps += 1
dpg.set_value('steps', f'steps: {steps}')
width, height = 260, 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:
model.load_ckpt(selections[fn])
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_input_int(
label='seed', width=100, pos=(70, 60), tag='seed', default_value=512,
)
dpg.add_input_float(
label='step size', width=54, pos=(70, 80), step=-1, default_value=0.002,
)
dpg.add_button(label="reset", width=54, pos=(70, 100), callback=None)
dpg.add_radio_button(
items=('w', 'w+'), pos=(130, 100), horizontal=True, default_value='w+',
)
dpg.add_button(label="generate", pos=(70, 120), 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,
):
def add_point_cb():
global add_point
add_point += 2
def reset_point_cb():
global points
points = []
def start_cb():
global dragging
if dragging: return
dragging = True
threading.Thread(target=dragging_thread).start()
def stop_cb():
global dragging
dragging = False
print('stop dragging...')
dpg.add_text('drag', pos=(5, 20))
dpg.add_button(label="add point", width=80, pos=(70, 20), callback=add_point_cb)
dpg.add_button(label="reset point", width=80, pos=(155, 20), callback=reset_point_cb)
dpg.add_button(label="start", width=80, pos=(70, 40), callback=start_cb)
dpg.add_button(label="stop", width=80, pos=(155, 40), callback=stop_cb)
dpg.add_text('steps: 0', tag='steps', pos=(70, 60))
dpg.add_text('mask', pos=(5, 80))
dpg.add_button(label="fixed area", width=80, pos=(70, 80), callback=None)
dpg.add_button(label="reset mask", width=80, pos=(70, 100), callback=None)
dpg.add_checkbox(label='show mask', pos=(155, 100), default_value=False)
dpg.add_input_int(label='radius', width=100, pos=(70, 120), default_value=50)
dpg.add_input_float(label='lambda', width=100, pos=(70, 140), default_value=20)
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,
):
dpg.add_text('capture', pos=(5, 20))
dpg.add_input_text(pos=(70, 20), default_value='capture')
dpg.add_button(label="save image", width=80, pos=(70, 40), callback=None)
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) * rgba_channel
raw_data[offset:offset + rgb_channel] = array('f', color[:rgb_channel])
def select_point(sender, app_data):
global add_point, points
if add_point <= 0: return
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, point_color[add_point % 2])
points.append(np.array([ix, iy]))
print(points)
add_point -= 1
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, no_resize=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()