Integrate generic label printing
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c2619376c1
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a090722d02
101
main.py
101
main.py
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@ -285,6 +285,64 @@ def print_sheet_label(name, contact):
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os.system('lp -d dymo tmp.png > /dev/null 2>&1')
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def print_generic_label(text):
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MARGIN = 50
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MAX_W, MAX_H, PAD = 1285 - (MARGIN*2), 635 - (MARGIN*2), 5
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im = Image.open(location + '/label.png')
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width, height = im.size
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draw = ImageDraw.Draw(im)
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def fit_text(text, font_size):
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font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', font_size)
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for cols in range(100, 1, -4):
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paragraph = textwrap.wrap(text, width=cols)
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total_h = -PAD
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total_w = 0
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for line in paragraph:
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w, h = draw.textsize(line, font=font)
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if w > total_w:
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total_w = w
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total_h += h + PAD
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if total_w <= MAX_W and total_h < MAX_H:
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return True, paragraph, total_h
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return False, [], 0
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font_size_range = [1, 500]
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# Thanks to Alex (UDIA) for the binary search algorithm
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while abs(font_size_range[0] - font_size_range[1]) > 1:
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font_size = sum(font_size_range) // 2
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image_fit, check_para, check_h = fit_text(text, font_size)
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if image_fit:
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font_size_range = [font_size, font_size_range[1]]
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good_size = font_size
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paragraph = check_para
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total_h = check_h
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else:
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font_size_range = [font_size_range[0], font_size]
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font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', good_size)
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offset = height - MAX_H - MARGIN
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start_h = (MAX_H - total_h) // 2 + offset
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current_h = start_h
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for line in paragraph:
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w, h = draw.textsize(line, font=font)
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x, y = (MAX_W - w) / 2, current_h
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draw.text((x+MARGIN, y), line, font=font, fill='black')
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current_h += h + PAD
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im.save('tmp.png')
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os.system('lp -d dymo tmp.png > /dev/null 2>&1')
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def message_protovac(message):
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try:
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logging.info('Message to Protovac: %s', message)
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@ -460,6 +518,7 @@ nametag_guest = ''
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label_tool = ''
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label_material_name = ''
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label_material_contact = ''
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label_generic = ''
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logging.info('Starting main loop...')
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@ -468,7 +527,7 @@ last_key = time.time()
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def ratelimit_key():
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global last_key
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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:
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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:
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last_key = time.time()
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return False
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else:
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@ -739,22 +798,37 @@ while True:
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stdscr.clrtoeol()
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stdscr.addstr(10, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(12, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
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elif label_material_contact:
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stdscr.addstr(8, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(10, 4, 'Enter your contact info: ' + label_material_contact)
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stdscr.clrtoeol()
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stdscr.addstr(12, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
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elif label_material_name:
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stdscr.addstr(8, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(10, 4, 'Enter your name: ' + label_material_name)
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stdscr.clrtoeol()
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stdscr.addstr(12, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(23, 1, '[RETURN] Next [ESC] Cancel')
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elif label_generic:
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stdscr.addstr(8, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(10, 4, '')
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stdscr.clrtoeol()
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stdscr.addstr(12, 4, 'Enter your message: ' + label_generic)
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stdscr.clrtoeol()
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stdscr.addstr(23, 1, '[RETURN] Print [ESC] Cancel')
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else:
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stdscr.addstr(8, 4, '[T] Tool label', curses.A_REVERSE if highlight_keys else 0)
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stdscr.addstr(10, 4, '[S] Sheet material', curses.A_REVERSE if highlight_keys else 0)
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stdscr.addstr(12, 4, '[G] Generic label', curses.A_REVERSE if highlight_keys else 0)
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stdscr.addstr(23, 1, '[B] Back', curses.A_REVERSE if highlight_keys else 0)
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stdscr.clrtoeol()
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@ -1112,12 +1186,37 @@ while True:
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else:
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if c < 127 and c > 31:
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label_material_name = label_material_name[:-1] + chr(c) + '_'
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elif label_generic:
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if c == curses.KEY_BACKSPACE:
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label_generic = label_generic[:-2] + '_'
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elif c == KEY_ESCAPE:
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label_generic = ''
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stdscr.erase()
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elif c == KEY_ENTER:
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if len(label_generic) > 1:
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stdscr.addstr(15, 4, 'Printing...')
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stdscr.refresh()
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try:
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print_generic_label(label_generic[:-1])
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except BaseException as e:
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logging.exception(e)
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stdscr.addstr(15, 4, 'Error.')
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stdscr.clrtoeol()
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stdscr.refresh()
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time.sleep(2)
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stdscr.erase()
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label_generic = ''
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else:
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if c < 127 and c > 31:
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label_generic = label_generic[:-1] + chr(c) + '_'
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elif button == 'b' or c == KEY_ESCAPE:
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current_screen = 'home'
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elif button == 't':
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label_tool = '_'
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elif button == 's':
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label_material_name = '_'
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elif button == 'g':
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label_generic = '_'
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else:
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try_highlight()
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