pygame_gui_examples/user_controlled_image_loading_example.py at master · zhoulisha/pygame_gui_examples · GitHub

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import pygame
import pygame_gui

from pygame_gui.elements import UIButton
from pygame_gui.core import IncrementalThreadedResourceLoader


# 20 * image buttons
# Sequential Image loading time taken: 27.362 seconds.

pygame.init()


pygame.display.set_caption('Image Loading Test')
window_surface = pygame.display.set_mode((800, 600))
background = pygame.Surface((800, 600))
background.fill(pygame.Color('#000000'))
clock = pygame.time.Clock()
load_time_1 = clock.tick()
loader = IncrementalThreadedResourceLoader()
manager = pygame_gui.UIManager((800, 600),
                               pygame_gui.PackageResource('data.themes', 'image_loading_test.json'),
                               resource_loader=loader)

loader.start()
finished = False
last_progress = 0
print("Progress: ", end='')
while not finished:
    finished, progress = loader.update()
    int_progress = int(10 * progress)
    if last_progress != int_progress:
        last_progress = int_progress
        print('■', end='')
print('',)
load_time_2 = clock.tick()

print('Image loading time taken:', load_time_2 / 1000.0, 'seconds.')

button_row_width = 200
button_row_height = 150
spacing = 0
num_buttons = 1
for j in range(1, 5):
    for i in range(1, 5):
        position = (i * spacing + ((i - 1) * button_row_width),
                    (j * spacing + ((j - 1) * button_row_height)))
        button = UIButton(relative_rect=pygame.Rect(position, (button_row_width,
                                                               button_row_height)),
                          text=str(num_buttons),
                          manager=manager,
                          object_id='#'+str(num_buttons))
        num_buttons += 1

is_running = True

while is_running:
    time_delta = clock.tick(60)/1000.0
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            is_running = False

        manager.process_events(event)

    manager.update(time_delta)

    window_surface.blit(background, (0, 0))
    manager.draw_ui(window_surface)

    pygame.display.update()