Python Adafruit_Thermal.justify方法代码示例

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
def generate_post():
    with open('/home/yuri/mashbotv2/cleaned.txt') as f:
        text = f.read()

    text_model = markovify.Text(text, state_size=2)
    mash_text = text_model.make_short_sentence(129) # was 140
    wrapped_text = textwrap.fill(mash_text, 32)
    output_text = "@acoluthon " + mash_text

    printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
    printer.setDefault()
    printer.justify('L')
    printer.feed(3)
    printer.boldOn()
    printer.setSize('M')
    printer.println("Mash Note")
    printer.setSize('S')
    printer.boldOff()
    printer.println(wrapped_text)
    printer.feed(2)

    # Write the status to a file, for debugging
    with open('/home/yuri/mashbotv2/history.txt', 'a') as f:
        f.write('mashed: ' + mash_text + ' | tweeted: ' + output_text + '\n')

    return output_text

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
class thermal_printer:
    def __init__(self):
        self.printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
        
    def printImg(self, img, priv_key):
        self.printer.feed(3)
        self.printer.printImage(img)
        # I have some reservation about how to deal with encrypted private key, but need to wait for thermal_printer to look into it.
        if len(priv_key) <= 51:
            self.printer.printChar(priv_key[:17]+"\n")
            self.printer.justify("R")
            self.printer.printChar(priv_key[17:34]+"\n")
            self.printer.justify("L")
            self.printer.printChar(priv_key[34:]+"\m")
        else:
            self.printer.println(priv_key)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
printer.inverseOn()
printer.println("Inverse ON")
printer.inverseOff()

# Test character double-height on & off
printer.doubleHeightOn()
printer.println("Double Height ON")
printer.doubleHeightOff()

# Test character double-width on & off
printer.doubleWidthOn()
printer.println("Double Width ON")
printer.doubleWidthOff()

# Set justification (right, center, left) -- accepts 'L', 'C', 'R'
printer.justify('R')
printer.println("Right justified")
printer.justify('C')
printer.println("Center justified")
printer.justify('L')
printer.println("Left justified")

# Test more styles
printer.boldOn()
printer.println("Bold text")
printer.boldOff()

printer.underlineOn()
printer.println("Regular underlined text")
printer.underlineOff()

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
def printImage(fileToPrint, result, timeNow, location):
    def imageProcessing(fileToPrint):
        img = Image.open(fileToPrint)
        img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
        img = img.filter(ImageFilter.SHARPEN)
        img = img.filter(ImageFilter.MedianFilter)
        img = img.rotate(180)
        return img

    def getTimeElapsed(fileToPrint):
        text = ''
        now = datetime.now()
        last = parseTimeStamp(fileToPrint)
        timeElapsed = now - last
        seconds = int(timeElapsed.seconds)
        minutes = int(round(seconds/60))
        hours = int(round(seconds/3600))
        days = int(timeElapsed.days)
        # days and hours
        if (days > 0):
            if (days == 1):
                text += str(days)+'day '
            else:
                text += str(days)+'days ' 
            if (hours > 0):
                if (hours == 1):
                    text += str(hours)+'hour '
                else:
                    text += str(hours)+'hours '
        elif (days == 0): 
            # hours and minutes
            if (hours > 0):
                if (hours == 1):
                    text += str(hours)+'hour '
                else:
                    text += str(hours)+'hours '
                minutes = minutes - 60*hours
                if (minutes > 0):
                    if (minutes == 1):
                        text += str(minutes)+'minute '
                    else:
                        text += str(minutes)+'minutes '
            else:
                # minutes and seconds
                if (minutes > 0):
                    if (minutes == 1):
                        text += str(minutes)+'minute '
                    else:
                        text += str(minutes)+'minutes '
                    seconds = seconds - minutes*60
                    if (seconds > 0):
                        if (seconds == 1):
                            text += str(seconds)+'second '
                        else:
                            text += str(seconds)+'seconds '        
                # seconds
                else:
                    text += str(seconds)+'seconds '
                
        text += 'ago @'+location       
        return text
    
    def getTimeNow(timeNow):
        text ='Printed at '
        timeNow = parseTimeStamp(timeNow)
        year = timeNow.year
        month = timeNow.month
        day = timeNow.day
        hour = timeNow.hour
        minute = timeNow.minute        
        text += fmt(year)+'.'+fmt(month)+'.'+fmt(day)+' '
        text += fmt(hour)+':'+fmt(minute)
        return text

    image  = imageProcessing(fileToPrint)
    printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
    printer.printImage(image, True) # This does the printing
    
    printer.upsideDownOn()
    printer.justify('C')

    timeElapsed = getTimeElapsed(result) 
    printer.println(timeElapsed)
        
    timeNow = getTimeNow(timeNow)    
    printer.println(timeNow)
    printer.upsideDownOff()
    printer.feed(3)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]

#.........这里部分代码省略.........

#---begin the private key qr code generation and drawing section---

#we begin the QR code creation process
#feel free to change the error correct level as you see fit
	qr = qrcode.QRCode(
	    version=None,
	    error_correction=qrcode.constants.ERROR_CORRECT_M,
	    box_size=10,
	    border=0,
	)
	qr.add_data(privkey)
	qr.make(fit=True)

	privkeyImg = qr.make_image()

#resize the qr code to match our design
	privkeyImg = privkeyImg.resize((220,220), Image.NEAREST)


	startPos=(110,807)
	charDist=15
	lineHeight=23
	lastCharPos=0

	keyLength = len(privkey)

#draw 2 lines of 17 characters each.  keyLength always == 34 so keylength/17 == 2
	for x in range(0,keyLength/17):
		lastCharPos=0
		#print a line
		for y in range(0, 17):
			theChar = privkey[(x*17)+y]
			charSize = draw.textsize(theChar, font=font)
			#print charSize
			if y == 0:
				draw.text((startPos[0],startPos[1]+(lineHeight*x)),theChar, font=font, fill=(0,0,0))
				lastCharPos = startPos[0]+charSize[0]+(charDist-charSize[0])
			else:
				draw.text((lastCharPos,startPos[1]+(lineHeight*x)),theChar, font=font, fill=(0,0,0))
				lastCharPos = lastCharPos + charSize[0] + (charDist-charSize[0])


#draw the QR code on the final image
	finalImg.paste(privkeyImg, (125, 560))

#---end the private key qr code generation and drawing section---



#create the divider
	rightMarkText = "Piperwallet.com"


	font = ImageFont.truetype("/usr/share/fonts/ttf/swansea.ttf", 20)

	rightMarkSize = draw.textsize(rightMarkText, font=font)

	rightMarkOrigin = (384-rightMarkSize[0]-10, 10)


	dividerLineImg = Image.open("/home/pi/Printer/dividerline.bmp")
#font = ImageFont.truetype("/home/pi/Helvetica.ttf", 20)
	draw = ImageDraw.Draw(dividerLineImg)

	draw.text(rightMarkOrigin,rightMarkText, font=font, fill=(255,255,255))





#do the actual printing

	printer.printImage(finalImg)

	printer.printChar(privkey[:17]+"\n")
	printer.justify('R')
	printer.printChar(privkey[17:34]+"\n")
	printer.justify('L')
	printer.printChar(privkey[34:]+"\n")

	#print the divider line
	time.sleep(0.4)
	printer.printImage(dividerLineImg)
	
	#print some blank space so we can get a clean tear of the paper
	time.sleep(0.4)
	printer.feed(1)
	time.sleep(0.4)
	printer.feed(1)
	time.sleep(0.4)
	printer.feed(1)





	printer.sleep()      # Tell printer to sleep
	printer.wake()       # Call wake() before printing again, even if reset
	printer.setDefault() # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
def main():
  printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
  deg     = chr(0xf8) # Degree symbol on thermal printer
  events = get_events()

  # Print heading
  printer.setSize('M')
  printer.justify('C')
  printer.println( datetime.datetime.today().date().strftime("%A, %B %-d, %Y") )
  printer.justify('L')
  printer.setSize('S')

  # Print schedule
  printer.boldOn()
  printer.underlineOn()
  printer.justify('C')
  printer.println("Today's Schedule")
  printer.justify('L')
  printer.underlineOff()
  printer.boldOff()

  printer.feed(1)

  if not events:
    printer.println('No scheduled events today.')
    printer.feed(1)
  for event in events:
    start = dateutil.parser.parse(event['start'].get('dateTime', event['start'].get('date'))).strftime("%-I:%M%p")
    end = dateutil.parser.parse(event['end'].get('dateTime', event['end'].get('date'))).strftime("%-I:%M%p")
    location = event.get('location', '')
    printer.println(event['summary'])
    if start == end:
      if location:
        printer.println(start + ", " + location)
      else:
        printer.println(start)
    else:
      if location == "":
        printer.println(start + " - " + end)
      else:
        printer.println(start + " - " + end + ", " + location)
    printer.feed(1)

  printer.feed(1)

  # Print weather
  weather = get_weather()

  printer.boldOn()
  printer.underlineOn()
  printer.justify('C')
  printer.println("Today's Weather")
  printer.justify('L')
  printer.underlineOff()
  printer.boldOff()

  printer.feed(1)

  printer.println("Temperature: " + str(weather.temp_now) + ". Feels like " + str(weather.feels_like_now))
  printer.feed(1)

  printer.println("Today: " + weather.weather_today)
  printer.feed(1)

  printer.println("Tonight: " + weather.weather_tonight)
  printer.feed(1)

  downcase_first = lambda s: s[:1].lower() + s[1:] if s else ''
  printer.println("Tomorrow: " + weather.weather_tomorrow + " Tomorrow night, " + downcase_first(weather.weather_tomorrow_night))
  printer.feed(1)

  printer.feed(2)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
# On a command line with a filename, solves the given puzzles
# (files should look like the text generated by the generator).
#
# Adapted for Adafruit_Thermal library by Phil Burgess for Adafruit
# Industries.  This version uses bitmaps (in the 'gfx' subdirectory)
# to render the puzzle rather than text symbols.  See sudoku-txt
# for a different Sudoku example that's all text-based.

from Adafruit_Thermal import *
import SteriLogo as logo
from subprocess import call
import sys, getopt


printer = Adafruit_Thermal("/dev/ttyS1", 19200, timeout=5)

# Test inverse on & off
printer.inverseOn()

printer.inverseOff()

call(["echo"," 1 >> /dev/ttyS1"])


 # Test more styles
printer.justify('L')
printer.boldOn()
printer.println(str(sys.argv[1]))
printer.boldOff()
printer.feed(1)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
# print List Ingles.
result = []
for i in range(0, 9):
    printer.println(lista[i][0].encode("ascii", "ignore"))
    result.append(lista[i][1].encode("ascii", "ignore"))
    worksheet.update_cell(lista[i][4], 3, int(lista[i][2]) + 1)

result.append("\n")

# print List spaon
for i in range(10, 19):
    printer.println(lista[i][1].encode("ascii", "ignore"))
    result.append(lista[i][0].encode("ascii", "ignore"))
    worksheet.update_cell(lista[i][4], 3, int(lista[i][2]) + 1)

printer.justify("L")
# print reslt
printer.println("********************************")
printer.println("")

for i in range(len(result)):
    printer.print_(result[i])
    printer.print_(" | ")

printer.feed(1)
printer.printImage(Image.open("gfx/goodbye.png"), True)
time.sleep(20)
printer.feed(3)
subprocess.call("sync")
subprocess.call(["shutdown", "-h", "now"])

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
		print(url)
		width = payload['image']['width']
		height = payload['image']['height']
		try:
			headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_4) AppleWebKit/600.5.17 (KHTML, like Gecko) Version/8.0.5 Safari/600.5.17'}
			req = urllib2.Request(url, None, headers)
			data = urllib2.urlopen(req).read()
			img = Image.open(StringIO(data))
			img = aspect_fit(img, 384, 384)
			img = img.convert('1') # convert to B&W (use 'L' for monochrome)
			printer.printImage(img, True)
		except Exception, e:
			# The image is not valid
			print(e)

	printer.justify('C')
	printer.boldOn()
	printer.setSize('S')
	printer.println("Greetings from")
	printer.setSize('L')
	printer.println('@' + str(username))
	printer.setSize('S')
   
	caption = payload['caption']
	printer.feed(1)
	printer.println('"' + caption.encode('cp437', 'ignore') + '"')
	printer.feed(1)
	printer.setSize('S')
	printer.boldOff()
	printer.underlineOn()
	printer.println('www.technocreatives.com')

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import justify [as 别名]
if __name__ == '__main__':
	# new videocapture object
	cap = cv2.VideoCapture(0)

	# Create a Adafruit_Thermal object that we can use for printing
	printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)		

	# python-tesseract initialization
	api = tesseract.TessBaseAPI()
	api.SetOutputName("hacker_u")
	api.Init(".","eng",tesseract.OEM_DEFAULT)
	api.SetPageSegMode(tesseract.PSM_AUTO)

	printer.boldOn()	# Make text bold
	printer.setSize('L')    # Set type size, accepts 'S', 'M', 'L'
	printer.justify('C')	# Center the text to leave lots of whitespace 

	while(True):
		''' Prompt the user to enter some text to be recognized by python-tesseract '''
		text_to_print = raw_input("Enter text: ")	
		
		# Alert user that we are printing
		print("Printing...")	
	
		''' Print the user's text out '''
		printer.println(text_to_print)
		
		time.sleep(1)	
		
		print "Tear off the printed text from printer and show it to the webcam!"
		print "Press 'q' to snap the picture"