def evolve(source_path, target_path, triangle_count):
try:
surface = pyglet.image.load(source_path)
except:
log("could not load source file: %s" % source_path)
sys.exit(1)
width, height = surface.width, surface.height
display = Display((width, height), os.path.basename(source_path))
environment = Environment(surface, display)
try:
parent = Image.load(target_path)
except:
parent = Image.generate((width, height), triangle_count)
parent_fitness = environment.fitness(parent)
generation = 0
log("generation = %s, fitness = %s" % (generation, parent_fitness))
while not display.check_quit():
generation += 1
child = parent.mutate()
child_fitness = environment.fitness(child)
log("generation = %s, child_fitness = %s" % (generation, child_fitness))
if child_fitness < parent_fitness:
parent = child
parent_fitness = child_fitness
log("generation = %s, fitness = %s" % (generation, parent_fitness))
try:
parent.save(target_path)
except:
log("could not save target file: %s" % target_path)
sys.exit(1)
def view(path, zoom):
try:
image = Image.load(path)
except:
log("could not load file: %s" % path)
sys.exit(1)
width, height = image.resolution
resolution = int(round(width * zoom)), int(round(height * zoom))
display = Display(resolution, os.path.basename(path))
while not display.check_quit():
display.draw_image(image)
