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badge.py
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import pygame
import pygame_emojis
import os
import bluetooth.btcommon
if "A6_PRINTER" in os.environ:
print("Found a printer address!")
import ppa6
import PIL
import PIL.Image
printer_mac = os.environ["A6_PRINTER"]
class BadgeCreator:
def __init__(
self,
font_size=63,
badge_size=(4450, 2380),
emoji_size=(640, 640),
hello_bar_color=pygame.color.Color('firebrick'),
hello_text_color=pygame.color.Color('white'),
hello_bar_end=780,
name_bar_color=pygame.color.Color('white'),
name_text_color=pygame.color.Color('firebrick'),
bottom_bar_color=pygame.color.Color('firebrick'),
bottom_bar_start=2100,
break_time=64,
concentration=2,
):
self.font_size = font_size
self.badge_size = badge_size
self.emoji_size = emoji_size
self.hello_bar_color = hello_bar_color
self.hello_text_color = hello_text_color
self.hello_bar_end = hello_bar_end
self.name_bar_color = name_bar_color
self.name_text_color = name_text_color
self.bottom_bar_color = bottom_bar_color
self.bottom_bar_start = bottom_bar_start
self.fallback_font = pygame.font.SysFont(pygame.font.get_default_font(), self.font_size)
self.width, self.height = self.badge_size
self.emoji_width, self.emoji_height = self.emoji_size
self.break_time=break_time
self.concentration=concentration
self.printer = None
def create(self, name, image_or_emoji, font_name=None, title="Hello, my name is"):
pygame.font.init()
font = pygame.font.SysFont(font_name, self.font_size)
hello_bar = (0, 0, self.width, self.hello_bar_end)
name_bar = (0, self.hello_bar_end, self.width, self.bottom_bar_start)
bottom_bar = (0, self.bottom_bar_start, self.width, self.height)
emoji_bar = (
self.width / 2 - self.emoji_width / 2,
self.height - self.emoji_height,
self.width / 2 + self.emoji_width / 2,
self.height
)
badge_surface = pygame.surface.Surface(self.badge_size)
# draw backgrounds
badge_surface.fill(self.hello_bar_color, hello_bar)
badge_surface.fill(self.name_bar_color, name_bar)
badge_surface.fill(self.bottom_bar_color, bottom_bar)
self.draw_centered_text(title, self.hello_text_color, self.hello_bar_color, font, badge_surface, hello_bar)
self.draw_centered_text(name, self.name_text_color, self.name_bar_color, font, badge_surface, name_bar)
self.draw_centered_image(image_or_emoji, badge_surface, emoji_bar)
return badge_surface
def print(self, badge):
if printer_mac:
try:
pygame.image.save(badge, "/tmp/badge.png")
image = PIL.Image.open("/tmp/badge.png")
rotated = image.rotate(90, expand=True)
if not self.printer:
print("New printer found")
self.printer = ppa6.Printer(printer_mac)
if not self.printer.isConnected():
print("Connecting to printer")
self.printer.connect()
self.printer.setConcentration(self.concentration)
self.printer.printImage(rotated)
self.printer.printBreak(self.break_time)
print(f"Battery left: {self.printer.getDeviceBattery():03d}%")
except bluetooth.btcommon.BluetoothError:
print("Bluetooth error, please try again")
def battery():
if printer_mac:
try:
if not self.printer:
print("New printer found")
self.printer = ppa6.Printer(printer_mac)
if not self.printer.isConnected():
print("Connecting to printer")
self.printer.connect()
return self.printer.getDeviceBattery()
except bluetooth.btcommon.BluetoothError:
return -2
else:
return -1
def draw_centered_text(self, text, text_color, background_color, font, target, target_rect):
target_width = (target_rect[2] - target_rect[0]) * 0.9
target_height = (target_rect[3] - target_rect[1]) * 0.8
target_offset_x = target_rect[0] + 0.05 * target_width
target_offset_y = target_rect[1] + 0.1 * target_height
try:
text_surface = font.render(text, True, text_color, background_color)
except pygame.error:
text_surface = self.fallback_font.render(text, True, text_color, background_color)
text_width, text_height = text_surface.get_size()
text_base_surface = pygame.surface.Surface((text_width, text_height))
text_base_surface.fill(background_color)
text_base_surface.blit(text_surface, (0, 0))
if text_width > text_height:
factor = target_width / float(text_width)
if text_height * factor > target_height:
factor = target_height / float(text_height)
else:
factor = target_height / float(text_height)
if text_width * factor > target_width:
factor = target_width / float(text_width)
scaled_size = (text_width * factor, text_height * factor)
scaled_surface = pygame.surface.Surface(scaled_size)
scaled_surface.blit(text_surface, (0, 0))
pygame.transform.scale(text_base_surface, scaled_size, scaled_surface)
dest = (target_offset_x + target_width / 2.0 - scaled_size[0] / 2.0,
target_offset_y + target_height / 2.0 - scaled_size[1] / 2.0)
target.blit(scaled_surface, dest=dest)
def draw_centered_image(self, image, target, target_rect):
target_width = target_rect[2] - target_rect[0]
target_height = target_rect[3] - target_rect[1]
if image.isascii():
text_surface = pygame.image.load(image)
text_surface = pygame.transform.scale(text_surface, (target_width, target_height))
target.blit(text_surface, dest=target_rect)
else:
emoji = pygame_emojis.load_emoji(image, (target_width, target_height))
emoji_base = pygame.surface.Surface(self.emoji_size, emoji.get_flags())
emoji_base.fill((255, 255, 255, 255),
(target_rect[0], target_rect[1], target_rect[2], target_rect[3] / 2.0))
pygame.draw.circle(emoji_base, (255, 255, 255, 255), (self.emoji_width / 2, self.emoji_height / 2),
self.emoji_height / 2)
emoji_base.blit(emoji, (0, 0))
target.blit(emoji_base, dest=target_rect)