Python Adafruit_Thermal.printImage方法代码示例

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def print_password(headerText, ttp):

    dividerLine = Image.new("RGB", (384, 6), "black")
    dividerLine.paste(Image.new("RGB", (384, 4), "white"), (0, 0))

    # create the divider

    bottomDividerLineImg = Image.open("/home/pi/Printer/dividerline.bmp")
    font = ImageFont.truetype("/usr/share/fonts/ttf/swansea.ttf", 20)
    draw = ImageDraw.Draw(bottomDividerLineImg)

    rightMarkText = "Piperwallet.com"
    rightMarkSize = draw.textsize(rightMarkText, font=font)

    leftMarkOrigin = (10, 15)
    rightMarkOrigin = (384 - rightMarkSize[0] - 10, 15)

    draw.text(leftMarkOrigin, headerText, font=font, fill=(0, 0, 0))
    draw.text(rightMarkOrigin, rightMarkText, font=font, fill=(0, 0, 0))

    printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)

    printer.printImage(dividerLine, True)
    printer.println("Password: ")
    printer.println(ttp)
    printer.printImage(bottomDividerLineImg, True)

    printer.feed(3)

    printer.setDefault()  # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def upload_file():
    if request.method == 'POST':
        uploadedFile = request.files['file']
        printer      = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
        printer.printImage(Image.open(uploadedFile), True)
        printer.feed(10)
        redirect("/printer")

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def print_image(filename):
	printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
        printer.feed(5)
	image = Image.open(filename)
        image = image.rotate(90, expand=1)
        image = ImageEnhance.Contrast(image).enhance(1.3)  # add contrast
	printer.printImage(image, True)
	printer.feed(5)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def encodeQRAndPrint(ttp):
	qrSize = (340, 340)

	finalImg = Image.new("RGB", (384, 440), "white")
	finalImg.paste(getQR(ttp, qrSize), (30, 55))

	printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)

	printer.printImage(finalImg, True)
	
	printer.feed(3)

	printer.setDefault() # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [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 printImage [as 别名]
def printHDMWalletSeed(headerText, seed, xpub):
	qrSize = (170,170)
	qrPad = 10

	finalImg = Image.new("RGB", (384, qrSize[1]), "white")
	finalImg.paste(getQR(seed, qrSize), (qrPad, 0))
	finalImg.paste(getQR(xpub, qrSize), (qrSize[0]+qrPad*2+14, 0))


	printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)

	dividerLine = Image.new("RGB", (384, 6), "black")
	dividerLine.paste(Image.new("RGB", (384, 4), "white"), (0, 0))

	printer.printImage(dividerLine, True)
	printer.println(headerText)
	printer.println("Seed Mnemonic: "+seed+'\n')
	printer.println("xpub: "+xpub+'\n')
	printer.printImage(finalImg, True)
	printer.feed(1)
	printer.printImage(dividerLine, True)

	
	printer.feed(3)

	printer.setDefault() # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def encodeQRAndPrintText(headerText, ttp):
    qrSize = (340, 340)

    finalImg = Image.new("RGB", (384, 440), "white")
    finalImg.paste(getQR(ttp, qrSize), (30, 55))

    printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)

    dividerLine = Image.new("RGB", (384, 6), "black")
    dividerLine.paste(Image.new("RGB", (384, 3), "white"), (0, 0))

    printer.printImage(dividerLine, True)
    printer.println(headerText)
    printer.println(ttp)
    printer.printImage(finalImg, True)
    printer.println(ttp)
    printer.printImage(dividerLine, True)

    printer.feed(3)

    printer.setDefault()  # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
def splitAndPrint(ttp, k, n):
	print "Thing to split: "+ttp
	#first, split it up
	secret = Secret.from_printable_ascii(ttp)
	shares = secret.split(int(k), int(n))
	
	#now convert to QR codes and print the shares
	print shares

	printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)

	qrSize = (340, 340)
	ctr = 0
	
	qrImg = {}
	for shr in shares:
		print "Share: "+shr
		
		finalImg = Image.new("RGB", (384, 440), "white")
		finalImg.paste(getQR(shr, qrSize), (30, 55))

	 	qrImg[shr] = finalImg
	
	dividerLine = Image.new("RGB", (384, 6), "black")
	dividerLine.paste(Image.new("RGB", (384, 3), "white"), (0, 0))
	for shr in shares:
		printer.printImage(dividerLine, True)
		printer.println("This is a share in a "+k+" of "+n+"\nthreshold scheme")
		printer.println(shr)
		printer.printImage(qrImg[shr], True)
		printer.println(shr)
		printer.println("Shamir's Secret Sharing")
		printer.printImage(dividerLine, True)
		printer.feed(3)
		
	printer.setDefault() # Restore printer to defaults

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
		if windDir < DirAngle[winDirNum]: break
w  = Humidity.size[0] + 5 + numWidth(s, HumiDigit)
w2 = Wind.size[0] + 5 + numWidth(s2, HumiDigit)
if windSpeed > 0:
	w2 += 3 + Dir[winDirNum].size[0]
if windUnits == 'kph': w2 += 3 + Kph.size[0]
else:                  w2 += 3 + Mph.size[0]
if w2 > w: w = w2

# Draw humidity and wind
x = img.size[0] - w # Left-align the two lines
y = 67
img.paste(Humidity, (x, y))
x += Humidity.size[0] + 5
drawNums(s, x, y, HumiDigit)
x = img.size[0] - w # Left-align again
y += 23             # And advance to next line
img.paste(Wind, (x, y))
x += Wind.size[0] + 5
if windSpeed > 0:
	img.paste(Dir[winDirNum], (x, y))
	x += Dir[winDirNum].size[0] + 3
x = drawNums(s2, x, y, HumiDigit) + 3
if windUnits == 'kph': img.paste(Kph, (x, y))
else:                  img.paste(Mph, (x, y))

# Open connection to printer and print image
printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
printer.printImage(img, True)
printer.feed(3)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [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 printImage [as 别名]
	printer.print('IP address: ' + s.getsockname()[0])
        ip = s.getsockname()[0]
	printer.feed(1)
except:
	printer.boldOn()
	printer.println('Network is unreachable.')
	printer.boldOff()
	printer.print('Connect display and keyboard\n'
	  'for network troubleshooting.')
        printer.print('Shutting down...')
	printer.feed(3)
	exit(0)

# Print greeting image
printer.feed(3)
printer.printImage(Image.open('40in20out_logo.bmp'), True)
printer.feed(1)
printer.print("40in20out")
printer.feed(1)
printer.print("Presented by...")
printer.feed(1)
printer.printImage(Image.open('totemasset_logo.bmp'), True)
printer.feed(2)
GPIO.output(ledPin, GPIO.LOW)



# Poll initial button state and time
prevButtonState = GPIO.input(buttonPin)
prevTime        = time.time()
tapEnable       = False

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

#.........这里部分代码省略.........

#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)

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


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

	keyLength = len(privkey)

	while(keyLength % 17 != 0):
		privkey += " "
		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)
				lastCharPos = startPos[0]+charSize[0]+(charDist-charSize[0])
			else:
				draw.text((lastCharPos,startPos[1]+(lineHeight*x)),theChar, font=font, fill=0)
				lastCharPos = lastCharPos + charSize[0] + (charDist-charSize[0])

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



#create the divider
	rightMarkText = "ArchReactor.org"


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

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

	leftMarkOrigin = (10, 15)
	rightMarkOrigin = (384-rightMarkSize[0]-10, 15)

	dividerLineImg = Image.open("/home/pi/build/Piper/dividerline.bmp")
    
	draw = ImageDraw.Draw(dividerLineImg)    
	draw.text(leftMarkOrigin, leftBorderText, font=font, fill=0)
	draw.text(rightMarkOrigin,rightMarkText, font=font, fill=0)


	#finalImg.save('file.png')
	#dividerLineImg.save('file2.png')
    #do the actual printing
	usd = 1.0/float(curbtc)
	returnamt = usd*float(inputamt)
	printer.println("1BTC=$"+str(curbtc))
	printer.println("1USD=B"+str(usd))
	printer.println("Input=$"+str(inputamt))
	printer.println("Return=B"+str(returnamt))
	printer.println("Transaction Hash: "+str(tx_hash))
	printer.printImage(finalImg)
	
	#if(len(privkey) <= 51):
	#	printer.println(privkey[:17]+"\n")
	#	printer.justify('R')
	#	printer.println(privkey[17:34]+"\n")
	#	printer.justify('L')
	#	printer.println(privkey[34:]+"\n")
	#else:
	#	printer.println(privkey)

	#print the divider line
	printer.printImage(dividerLineImg)
	
	#print some blank space so we can get a clean tear of the paper
	printer.feed(3)

	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 printImage [as 别名]
# print all of the images!
for i in sys.argv[1:]:
    if i[0] == '-':
        if i[1] == 'n':
            no_print = 1
        elif i[1] == 'u':
            upscale = 1
        continue

    im = Image.open(i)

    #im = im.transpose(Image.ROTATE_90)#.transpose(Image.FLIP_TOP_BOTTOM)

    print("OLDSIZE", im.size)
    if im.size[0] > max_width or (upscale and im.size[0] < max_width):
        newsize = (max_width, int(float(im.size[1]) / (float(im.size[0]) / max_width)))
        print("NEWSIZE", newsize)
        im = im.resize(newsize, Image.ANTIALIAS)

    # PIL algorithm: convert to greyscale then convert to mono with dithering
    im = im.convert('1')


    im.save("p.jpg", "jpeg")
    if not no_print:
        printer = Adafruit_Thermal(timeout=5)
        printer.printImage(im, False)
        printer.feedRows(50)

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
GPIO.setmode(GPIO.BCM)

# Enable LED and button (w/pull-up on latter)
GPIO.setup(ledPin, GPIO.OUT)
GPIO.setup(buttonPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# LED on while working
GPIO.output(ledPin, GPIO.HIGH)

# Processor load is heavy at startup; wait a moment to avoid
# stalling during greeting.
# time.sleep(30)

# Print greeting image
printer.feed(1)
printer.printImage(Image.open('40in20out_logo.bmp'), True)
printer.feed(1)
printer.print("40in20out")
printer.feed(1)
printer.print("Presented by...")
printer.feed(1)
printer.printImage(Image.open('totemasset_logo.bmp'), True)
printer.feed(2)
GPIO.output(ledPin, GPIO.LOW)

# Show IP address (if network is available)
try:
	s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
	s.connect(('8.8.8.8', 0))
	printer.print('My IP address is ' + s.getsockname()[0])
        ip = s.getsockname()[0]

# 需要导入模块: import Adafruit_Thermal [as 别名]
# 或者: from Adafruit_Thermal import printImage [as 别名]
    printer.print('Welcome to the Tatadada Table! \n My IP address is ' + s.getsockname()[0])
    printer.feed(3)
except:
    printer.boldOn()
    printer.println('Network is unreachable.')
    printer.boldOff()
    printer.print('Connect display and keyboard\n'
                  'for network troubleshooting.')
    printer.feed(3)
    exit(0)

# Print greeting image
# printer.printImage(Image.open('gfx/welcome.png'), True)
# printer.feed(3)

printer.printImage(Image.open('gfx/logo-tatadada.png'), True)
printer.feed(3)

#printer.printImage(Image.open('gfx/ladybug.png'), True)
#printer.feed(3)

GPIO.output(ledPin, GPIO.LOW)

# Poll initial button state and time
prevButtonState = GPIO.input(buttonPin)
prevTime = time.time()
tapEnable = False
holdEnable = False

# Main loop
while (True):