Integrate generic label printing

This commit is contained in:
Tanner Collin 2022-12-17 17:50:01 -07:00
parent c2619376c1
commit a090722d02

101
main.py
View File

@ -285,6 +285,64 @@ def print_sheet_label(name, contact):
os.system('lp -d dymo tmp.png > /dev/null 2>&1') os.system('lp -d dymo tmp.png > /dev/null 2>&1')
def print_generic_label(text):
MARGIN = 50
MAX_W, MAX_H, PAD = 1285 - (MARGIN*2), 635 - (MARGIN*2), 5
im = Image.open(location + '/label.png')
width, height = im.size
draw = ImageDraw.Draw(im)
def fit_text(text, font_size):
font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', font_size)
for cols in range(100, 1, -4):
paragraph = textwrap.wrap(text, width=cols)
total_h = -PAD
total_w = 0
for line in paragraph:
w, h = draw.textsize(line, font=font)
if w > total_w:
total_w = w
total_h += h + PAD
if total_w <= MAX_W and total_h < MAX_H:
return True, paragraph, total_h
return False, [], 0
font_size_range = [1, 500]
# Thanks to Alex (UDIA) for the binary search algorithm
while abs(font_size_range[0] - font_size_range[1]) > 1:
font_size = sum(font_size_range) // 2
image_fit, check_para, check_h = fit_text(text, font_size)
if image_fit:
font_size_range = [font_size, font_size_range[1]]
good_size = font_size
paragraph = check_para
total_h = check_h
else:
font_size_range = [font_size_range[0], font_size]
font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', good_size)
offset = height - MAX_H - MARGIN
start_h = (MAX_H - total_h) // 2 + offset
current_h = start_h
for line in paragraph:
w, h = draw.textsize(line, font=font)
x, y = (MAX_W - w) / 2, current_h
draw.text((x+MARGIN, y), line, font=font, fill='black')
current_h += h + PAD
im.save('tmp.png')
os.system('lp -d dymo tmp.png > /dev/null 2>&1')
def message_protovac(message): def message_protovac(message):
try: try:
logging.info('Message to Protovac: %s', message) logging.info('Message to Protovac: %s', message)
@ -460,6 +518,7 @@ nametag_guest = ''
label_tool = '' label_tool = ''
label_material_name = '' label_material_name = ''
label_material_contact = '' label_material_contact = ''
label_generic = ''
logging.info('Starting main loop...') logging.info('Starting main loop...')
@ -468,7 +527,7 @@ last_key = time.time()
def ratelimit_key(): def ratelimit_key():
global last_key global last_key
if think_to_send or sign_to_send or message_to_send or nametag_member or nametag_guest or label_tool or label_material_name or label_material_contact or time.time() > last_key + 1: if think_to_send or sign_to_send or message_to_send or nametag_member or nametag_guest or label_tool or label_material_name or label_material_contact or label_generic or time.time() > last_key + 1:
last_key = time.time() last_key = time.time()
return False return False
else: else:
@ -739,22 +798,37 @@ while True:
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(10, 4, '') stdscr.addstr(10, 4, '')
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(12, 4, '')
stdscr.clrtoeol()
stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel') stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
elif label_material_contact: elif label_material_contact:
stdscr.addstr(8, 4, '') stdscr.addstr(8, 4, '')
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(10, 4, 'Enter your contact info: ' + label_material_contact) stdscr.addstr(10, 4, 'Enter your contact info: ' + label_material_contact)
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(12, 4, '')
stdscr.clrtoeol()
stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel') stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
elif label_material_name: elif label_material_name:
stdscr.addstr(8, 4, '') stdscr.addstr(8, 4, '')
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(10, 4, 'Enter your name: ' + label_material_name) stdscr.addstr(10, 4, 'Enter your name: ' + label_material_name)
stdscr.clrtoeol() stdscr.clrtoeol()
stdscr.addstr(12, 4, '')
stdscr.clrtoeol()
stdscr.addstr(23, 1, '[RETURN] Next [ESC] Cancel') stdscr.addstr(23, 1, '[RETURN] Next [ESC] Cancel')
elif label_generic:
stdscr.addstr(8, 4, '')
stdscr.clrtoeol()
stdscr.addstr(10, 4, '')
stdscr.clrtoeol()
stdscr.addstr(12, 4, 'Enter your message: ' + label_generic)
stdscr.clrtoeol()
stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
else: else:
stdscr.addstr(8, 4, '[T] Tool label', curses.A_REVERSE if highlight_keys else 0) stdscr.addstr(8, 4, '[T] Tool label', curses.A_REVERSE if highlight_keys else 0)
stdscr.addstr(10, 4, '[S] Sheet material', curses.A_REVERSE if highlight_keys else 0) stdscr.addstr(10, 4, '[S] Sheet material', curses.A_REVERSE if highlight_keys else 0)
stdscr.addstr(12, 4, '[G] Generic label', curses.A_REVERSE if highlight_keys else 0)
stdscr.addstr(23, 1, '[B] Back', curses.A_REVERSE if highlight_keys else 0) stdscr.addstr(23, 1, '[B] Back', curses.A_REVERSE if highlight_keys else 0)
stdscr.clrtoeol() stdscr.clrtoeol()
@ -1112,12 +1186,37 @@ while True:
else: else:
if c < 127 and c > 31: if c < 127 and c > 31:
label_material_name = label_material_name[:-1] + chr(c) + '_' label_material_name = label_material_name[:-1] + chr(c) + '_'
elif label_generic:
if c == curses.KEY_BACKSPACE:
label_generic = label_generic[:-2] + '_'
elif c == KEY_ESCAPE:
label_generic = ''
stdscr.erase()
elif c == KEY_ENTER:
if len(label_generic) > 1:
stdscr.addstr(15, 4, 'Printing...')
stdscr.refresh()
try:
print_generic_label(label_generic[:-1])
except BaseException as e:
logging.exception(e)
stdscr.addstr(15, 4, 'Error.')
stdscr.clrtoeol()
stdscr.refresh()
time.sleep(2)
stdscr.erase()
label_generic = ''
else:
if c < 127 and c > 31:
label_generic = label_generic[:-1] + chr(c) + '_'
elif button == 'b' or c == KEY_ESCAPE: elif button == 'b' or c == KEY_ESCAPE:
current_screen = 'home' current_screen = 'home'
elif button == 't': elif button == 't':
label_tool = '_' label_tool = '_'
elif button == 's': elif button == 's':
label_material_name = '_' label_material_name = '_'
elif button == 'g':
label_generic = '_'
else: else:
try_highlight() try_highlight()