427 lines
8.5 KiB
Python
Executable File
427 lines
8.5 KiB
Python
Executable File
#!/usr/bin/python
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import sys, os, inspect
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import pytz, datetime
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from time import sleep
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from PIL import Image
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from shutil import copyfile
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from math import floor
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import RPi.GPIO as GPIO
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import traceback
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import picamera
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import pygame
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import random
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import time
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import json
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__all__ = ["monotonic_time"]
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import ctypes
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CLOCK_MONOTONIC_RAW = 4 # see <linux/time.h>
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class timespec(ctypes.Structure):
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_fields_ = [
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('tv_sec', ctypes.c_long),
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('tv_nsec', ctypes.c_long)
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]
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librt = ctypes.CDLL('librt.so.1', use_errno=True)
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clock_gettime = librt.clock_gettime
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clock_gettime.argtypes = [ctypes.c_int, ctypes.POINTER(timespec)]
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def monotonic_time():
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t = timespec()
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if clock_gettime(CLOCK_MONOTONIC_RAW , ctypes.pointer(t)) != 0:
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errno_ = ctypes.get_errno()
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raise OSError(errno_, os.strerror(errno_))
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return t.tv_sec + t.tv_nsec * 1e-9
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# CONFIGURATION
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WIDTH = 800
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HEIGHT = 480
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FONTSIZE = 500
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PIC_INTERVAL = 0.5
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TEXT_INTERVAL = 0.5
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TEXT_POS = (250, -40)
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OVERLAY_ALPHA = 64
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COLOR_BACK = pygame.Color(0, 0, 0)
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COLOR_FLASH = pygame.Color(255, 255, 255)
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GRAPHICS_DIR = "./graphics"
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BASE_PATH = "/var/lib/photobox"
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COUNTDOWN = 3
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SHOT_COUNT = 3
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BORDER = 10
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THUMB_WIDTH = int((800 - BORDER) / SHOT_COUNT - BORDER)
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THUMB_HEIGHT = int(THUMB_WIDTH / 1.333)
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CONFIG_LOCATION = "%s/config.json" % (BASE_PATH, )
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os.chdir(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
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# global variables
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session_start = monotonic_time()
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# INIT GPIO
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GPIO.setmode(GPIO.BOARD)
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GPIO.setwarnings(False)
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GPIO.setup(7, GPIO.OUT)
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GPIO.output(7, GPIO.LOW)
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sleep(0.02)
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GPIO.output(7, GPIO.HIGH)
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sleep(0.02)
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GPIO.output(7, GPIO.LOW)
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sleep(0.02)
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GPIO.output(7, GPIO.HIGH)
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sleep(0.02)
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GPIO.output(7, GPIO.LOW)
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sleep(0.02)
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GPIO.output(7, GPIO.HIGH)
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sleep(0.02)
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GPIO.output(7, GPIO.LOW)
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# INIT PYGAME
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pygame.init()
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pygame.mixer.quit()
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pygame.mouse.set_visible(False)
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screen = pygame.display.set_mode((WIDTH,HEIGHT))
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# LOAD OVERLAYS
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loading = pygame.image.load(GRAPHICS_DIR + "/loading.png")
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loading_rect = loading.get_rect()
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begin = pygame.image.load(GRAPHICS_DIR + "/begin.png")
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begin_rect = begin.get_rect()
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yes = pygame.image.load(GRAPHICS_DIR + "/yes.png")
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yes_rect = yes.get_rect()
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yes_rect.y = 340
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no = pygame.image.load(GRAPHICS_DIR + "/no.png")
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no_rect = no.get_rect()
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no_rect.y = 340
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end_yes = pygame.image.load(GRAPHICS_DIR + "/end_yes.png")
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end_yes_rect = end_yes.get_rect()
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end_no = pygame.image.load(GRAPHICS_DIR + "/end_no.png")
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end_no_rect = end_no.get_rect()
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saved = pygame.image.load(GRAPHICS_DIR + "/saved.png")
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saved_rect = saved.get_rect()
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canceled = pygame.image.load(GRAPHICS_DIR + "/canceled.png")
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canceled_rect = canceled.get_rect()
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#~ img_info = Image.open(GRAPHICS_DIR + '/info.png')
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# LOAD COUNTDOWN OVERLAYS
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img_cdn = []
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pad_cdn = []
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for i in range(0, COUNTDOWN):
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img = Image.open(GRAPHICS_DIR + "/%s.png" % (COUNTDOWN - i))
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pad = Image.new('RGB', (
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((img.size[0] + 31) // 32) * 32,
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((img.size[1] + 15) // 16) * 16,
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))
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pad.paste(img, (0, 0))
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img_cdn.append(img)
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pad_cdn.append(pad)
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# LOAD INFORMATION OVERLAY
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img_info = Image.open(GRAPHICS_DIR + '/info.png')
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pad_info = Image.new('RGB', (
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((img_info.size[0] + 31) // 32) * 32,
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((img_info.size[1] + 15) // 16) * 16,
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))
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pad_info.paste(img_info, (0, 0))
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# FUNCTIONS ========================================================================================
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def waitForEvent():
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pygame.event.clear()
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while 1:
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sleep(0.25)
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events = pygame.event.get()
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if len(events) > 0:
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for event in events:
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if event.type == pygame.QUIT:
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sys.exit(0)
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return events
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def waitForTouch():
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pos = (-1, -1)
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while True:
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events = waitForEvent()
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for event in events:
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if event.type == pygame.MOUSEMOTION:
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pos = event.pos
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elif event.type == pygame.MOUSEBUTTONUP:
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return pos
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def maintainance():
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screen.fill(COLOR_BACK)
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screen.blit(maintain, maintain_rect)
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pygame.display.flip()
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# wait
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pos = waitForTouch()
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def waitForBegin():
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screen.fill(COLOR_BACK)
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screen.blit(begin, begin_rect)
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pygame.display.flip()
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# wait
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pos = waitForTouch()
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if pos[0] > 720 and pos[1] > 400:
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maintainance()
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def countdown(camera, pad, img, flash):
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sleep(PIC_INTERVAL)
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o = camera.add_overlay(pad.tostring(), size=img.size)
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o.alpha = OVERLAY_ALPHA
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o.layer = 3
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# if flash:
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# GPIO.output(7, GPIO.HIGH)
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# sleep(0.01)
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# GPIO.output(7, GPIO.LOW)
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sleep(TEXT_INTERVAL)
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camera.remove_overlay(o)
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def makePhotos():
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# CLEAR SCREEN
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screen.fill(COLOR_BACK)
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pygame.display.update()
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# INIT CAMERA
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camera = picamera.PiCamera()
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camera.vflip = False
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camera.hflip = True
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camera.resolution = (2592, 1944)
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camera.rotation = 90
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# PREVIEW
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camera.start_preview()
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o = camera.add_overlay(pad_info.tostring(), size=img_info.size)
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o.alpha = 255
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o.layer = 3
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sleep(3)
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camera.remove_overlay(o)
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sleep(1)
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# COUNTDOWN
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GPIO.output(7, GPIO.HIGH)
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for i in range(0, COUNTDOWN):
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countdown(camera, pad_cdn[i], img_cdn[i], True)
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GPIO.output(7, GPIO.LOW)
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# SHOTS
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for i in range(0, SHOT_COUNT):
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# SHOT!
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sleep(PIC_INTERVAL)
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GPIO.output(7, GPIO.HIGH)
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screen.fill(COLOR_FLASH)
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pygame.display.update()
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camera.stop_preview()
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camera.capture("./tmp%s.jpg" % i, format='jpeg', quality=100, thumbnail=None)
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GPIO.output(7, GPIO.LOW)
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# PAUSE
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if i < SHOT_COUNT - 1:
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screen.fill(COLOR_BACK)
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pygame.display.update()
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camera.start_preview()
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sleep(TEXT_INTERVAL)
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# CLOSE CAMERA
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camera.close()
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def chooseImages():
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# clear screen
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screen.fill(COLOR_BACK)
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screen.blit(loading, loading_rect)
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pygame.display.update()
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# load images from disk
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img_tmp = []
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rect_tmp = []
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choices = []
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x = 12
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for i in range(0, SHOT_COUNT):
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img = pygame.image.load("tmp%s.jpg" % i)
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img = pygame.transform.scale(img, (THUMB_WIDTH, THUMB_HEIGHT))
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rect = img.get_rect()
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rect.x = x
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rect.y = 146
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img_tmp.append(img)
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rect_tmp.append(rect)
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choices.append(0)
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x = x + THUMB_WIDTH + BORDER
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save = False
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cancel = False
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any_choice = False
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while not cancel and (not save or not any_choice):
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# reset save (due to no choice made)
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save = False
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# draw background
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screen.fill(COLOR_BACK)
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if any_choice:
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screen.blit(end_yes, end_yes_rect)
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else:
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screen.blit(end_no, end_no_rect)
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# draw images
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for i in range(0, SHOT_COUNT):
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screen.blit(img_tmp[i], rect_tmp[i])
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# draw choices
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x = 12
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for choice in choices:
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if choice > 0:
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yes_rect.x = x + (THUMB_WIDTH - yes_rect.width) / 2
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screen.blit(yes, yes_rect)
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else:
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no_rect.x = x + (THUMB_WIDTH - no_rect.width) / 2
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screen.blit(no, no_rect)
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x = x + THUMB_WIDTH + BORDER
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# update display
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pygame.display.flip()
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# wait for new event (touch screen / mouse / keyboard)
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pos = waitForTouch()
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if pos[1] > 140:
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# toggle image
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i = int(floor((pos[0] - BORDER / 2) / (THUMB_WIDTH + BORDER)))
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if i >= 0 and i < SHOT_COUNT:
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choices[i] = (choices[i] + 1) % 2
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elif pos[1] < 100:
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# top menu buttons
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if pos[0] > 0 and pos[0] < 266:
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cancel = True
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elif pos[0] > 533 and pos[0] < 800 and (choices[0] > 0 or choices[1] > 0 or choices[2] > 0):
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save = True
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any_choice = False
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for choice in choices:
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if choice > 0:
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any_choice = True
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break
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# END: choice
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#~ print("# END: choice")
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return (choices, save)
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def saveImages(choices):
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local = datetime.datetime.now()
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session_age = (monotonic_time() - session_start)
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print("saving images...")
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for i in range(0, SHOT_COUNT):
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if choices[i] > 0:
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print(" saving image #%s" % i)
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EVENT_PATH = "%s/events/%s" % (BASE_PATH, EVENT_ID)
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try:
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os.makedirs(EVENT_PATH + "/original")
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except OSError:
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pass
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try:
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os.makedirs(EVENT_PATH + "/todo")
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except OSError:
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pass
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filename = "%s-%s-session_age=%05d.jpg" % (local.strftime("%Y%m%dT%H:%M:%S.%f%z"), i, session_age)
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os.rename("tmp%s.jpg" % i, EVENT_PATH + "/original/" + filename)
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copyfile(EVENT_PATH + "/original/" + filename, EVENT_PATH + "/todo/" + filename)
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# show message
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screen.fill(COLOR_BACK)
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screen.blit(saved, saved_rect)
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pygame.display.flip()
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sleep(2)
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def loadConfig():
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global EVENT_ID
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try:
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if os.path.isfile(CONFIG_LOCATION):
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config = open(CONFIG_LOCATION, "r").read()
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config = json.loads(config)
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EVENT_ID = int(config["id"])
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except:
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traceback.print_exc()
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EVENT_ID = -1
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EVENT_ID = -1
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while 1:
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waitForBegin()
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makePhotos()
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(choices, save) = chooseImages()
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loadConfig()
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if save:
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saveImages(choices);
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else:
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# show message
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screen.fill(COLOR_BACK)
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screen.blit(canceled, canceled_rect)
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pygame.display.flip()
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sleep(2)
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pygame.quit()
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