def initialize_workspace_with_size(rows, cols, matrix=None):
global frames, buttons, current_frame
for button_row in buttons:
for button in button_row:
pixels.remove_widget(button)
pixels.cols = cols
pixels.rows = rows
if matrix:
frames = matrix
else:
frames = [np.zeros((rows, cols), dtype=np.uint8)]
buttons = []
current_frame = 0
frame_label.text = f'Frame: {current_frame}'
for i in range(0, rows):
button_row = []
for j in range(0, cols):
btn = ToggleButton()
button_row.append(btn)
btn.row = i
btn.column = j
btn.bind(on_press=process_matrix_changes)
pixels.add_widget(btn)
buttons.append(button_row)
def __init__(self, **kwargs):
super(FontConstructor, self).__init__(spacing=5, **kwargs)
self.orientation = 'vertical'
self.width = 30
# end of self init
def initialize_workspace_with_size(rows, cols, matrix=None):
global frames, buttons, current_frame
for button_row in buttons:
for button in button_row:
pixels.remove_widget(button)
pixels.cols = cols
pixels.rows = rows
if matrix:
frames = matrix
else:
frames = [np.zeros((rows, cols), dtype=np.uint8)]
buttons = []
current_frame = 0
frame_label.text = f'Frame: {current_frame}'
for i in range(0, rows):
button_row = []
for j in range(0, cols):
btn = ToggleButton()
button_row.append(btn)
btn.row = i
btn.column = j
btn.bind(on_press=process_matrix_changes)
pixels.add_widget(btn)
buttons.append(button_row)
def load_callback(instance):
global frames
frames = list(np.load(filename_input.text + '.npy'))
print(frames)
initialize_workspace_with_size(*frames[0].shape, matrix=frames)
# print(frames[0].shape)
update_buttons()
def save_callback(instance):
np.save(filename_input.text, frames)
print(frames)
def new_file_callback(instance):
global cols, rows
cols = int(size_w_input.text)
rows = int(size_h_input.text)
initialize_workspace_with_size(rows, cols)
popup.dismiss()
content = BoxLayout(orientation='vertical')
size_holder = BoxLayout(orientation='horizontal', size_hint_max_y=40)
content.add_widget(size_holder)
size_label_x = Label(text="Columns:")
size_holder.add_widget(size_label_x)
size_w_input = TextInput(text=str(cols),
multiline=False,
size_hint_max_x=40)
size_holder.add_widget(size_w_input)
size_label_y = Label(text="Rows:")
size_holder.add_widget(size_label_y)
size_h_input = TextInput(text=str(rows),
multiline=False,
size_hint_max_x=40)
size_holder.add_widget(size_h_input)
button_holder = BoxLayout(orientation='horizontal', size_hint_max_y=40)
content.add_widget(button_holder)
create_button = Button(text='Create', on_press=new_file_callback)
button_holder.add_widget(create_button)
popup = Popup(title='Select size',
content=content,
size_hint=(0.8, 0.5),
auto_dismiss=False)
menu = BoxLayout(orientation='horizontal',
size_hint=(1, 0.1),
spacing=3)
self.add_widget(menu)
new_file_button = Button(text="New file", on_press=popup.open)
menu.add_widget(new_file_button)
save_button = Button(text="Save", on_press=save_callback)
menu.add_widget(save_button)
load_button = Button(text="Load", on_press=load_callback)
menu.add_widget(load_button)
cancel_button = Button(text='Cancel', on_press=popup.dismiss)
button_holder.add_widget(cancel_button)
# -----
pixels = GridLayout(spacing=1)
pixels.cols = cols
pixels.rows = rows
pixels.width = pixels.cols * 2
self.add_widget(pixels)
settings = BoxLayout(spacing=2,
orientation='horizontal',
size_hint=(1, 0.1))
self.add_widget(settings)
filename_input = TextInput(text='matrix', multiline=False)
settings.add_widget(filename_input)
def update_buttons():
for i in range(0, rows):
for j in range(0, cols):
if frames[current_frame][i][j] == 1:
buttons[i][j].state = 'down'
else:
buttons[i][j].state = 'normal'
def add_frame(instance):
# frames.append(np.zeros((7, 11), dtype=np.uint8))
frames.append(frames[current_frame].copy())
next_frame(instance)
def rem_frame(instance):
frames.pop(current_frame)
def next_frame(instance):
global current_frame
if current_frame != len(frames) - 1:
current_frame += 1
frame_label.text = f'Frame: {current_frame}'
update_buttons()
def prev_frame(instance):
global current_frame
if current_frame != 0:
current_frame -= 1
frame_label.text = f'Frame: {current_frame}'
update_buttons()
frame_label = Label(text=f'Frame: {current_frame}')
settings.add_widget(frame_label)
prev_frame_button = Button(text='<<',
size_hint_max_x=30,
on_press=prev_frame)
settings.add_widget(prev_frame_button)
next_frame_button = Button(text='>>',
size_hint_max_x=30,
on_press=next_frame)
settings.add_widget(next_frame_button)
add_frame_button = Button(text='+',
size_hint_max_x=30,
on_press=add_frame)
settings.add_widget(add_frame_button)
remove_frame_button = Button(text='-',
size_hint_max_x=30,
on_press=rem_frame)
settings.add_widget(remove_frame_button)
def process_matrix_changes(instance):
if instance.state == 'down':
frames[current_frame][instance.row][instance.column] = 1
else:
frames[current_frame][instance.row][instance.column] = 0
for i in range(0, rows):
button_row = []
for j in range(0, cols):
btn = ToggleButton()
button_row.append(btn)
btn.row = i
btn.column = j
btn.bind(on_press=process_matrix_changes)
pixels.add_widget(btn)
buttons.append(button_row)
# ----
def print_debug(instance):
print(np.asarray(frames))
print("------------------")
def translate_right(instance):
frames[current_frame] = np.roll(frames[current_frame], 1, axis=1)
update_buttons()
def translate_left(instance):
frames[current_frame] = np.roll(frames[current_frame], -1, axis=1)
update_buttons()
def translate_up(instance):
frames[current_frame] = np.roll(frames[current_frame], -1, axis=0)
update_buttons()
def translate_down(instance):
frames[current_frame] = np.roll(frames[current_frame], 1, axis=0)
update_buttons()
# status = BoxLayout(orientation='horizontal', size_hint=(1, 0.1), spacing=1)
# self.add_widget(status)
btn_left = Button(text='<-',
size_hint_max_x=30,
on_press=translate_left)
settings.add_widget(btn_left)
btn_right = Button(text='->',
size_hint_max_x=30,
on_press=translate_right)
settings.add_widget(btn_right)
btn_up = Button(text='/\\', size_hint_max_x=30, on_press=translate_up)
settings.add_widget(btn_up)
btn_down = Button(text='\/',
size_hint_max_x=30,
on_press=translate_down)
settings.add_widget(btn_down)
