def topdf(image_file: str, left=0, top=0):
# image_file: str = "./test.png"
# image_file = "https://zyai.jxwifi.com/uploads/20201203/ae26751e48348f0765322f9eb26a5a32.png"
uuidName = str(uuid.uuid4())
pdfName = uuidName + '.pdf'
c = canvas.Canvas(getUploadDir() + '/' + pdfName, pagesize=A3)
width, height = A3
if image_file[-3:].lower() == 'png':
jpgName = download_img(image_file, uuidName)
im = Image.open(getUploadDir() + "/" + jpgName)
x, y = im.size
p = Image.new('RGBA', im.size, (255, 255, 255))
p.paste(im, (0, 0, x, y), im)
savePath = getUploadDir() + "/" + uuidName + '.png'
p.save(savePath)
c.drawImage(savePath, left, top, width, height)
else:
#c.drawImage(image_file, 0, 0, width, height)
#c.drawInlineImage(image_file, 0, 0)
# c.showPage()
c.drawImage(image_file, left, top, width, height)
c.save()
return pdfName
def genLongImage(args):
'''
生成长图
'''
try:
drawGentt(args[:3])
drawTable(args)
imgs = [
Image.open(f'static/{fn}') for fn in listdir(path='static/')
if fn.endswith('.png')
]
width, height = imgs[0].size
result = Image.new(imgs[0].mode, (width, height * len(imgs)))
for index, img in enumerate(imgs):
result.paste(img, box=(0, index * height))
result.save('pws.png')
except Exception:
return False
return True
# create the empty document object
Story=[]
figcnt = 0
qrcodeimagepath = utbiomelocation+"PNGFIGURES"
tmpsavefolder = utbiomelocation+"tempSaveFolder"
if os.path.exists(tmpsavefolder):
shutil.rmtree(tmpsavefolder)
os.mkdir(tmpsavefolder)
else:
os.mkdir(tmpsavefolder)
for f in os.listdir(qrcodeimagepath):
print f
figcnt = figcnt+1
new_im = Image.new('RGB', (1050,400))
qr_file = qrcodeimagepath +'\\'+ f
im = Image.open(qr_file)
#Here I resize my opened image, so it is no bigger than 100,100
#im.thumbnail((210,198))
#Iterate through a 4 by 4 grid with spacing, to place my image
for i in xrange(0,1050,210):
for j in xrange(0,400,198):
#paste the image at location i,j:
new_im.paste(im, (i,j))
new_im.show()
new_im.save(tmpsavefolder+"\\new_imout"+str(figcnt)+".png","png")
# Now lets collect the stitched QRCode Images and append to the story doc and make the pdf
stitchedQrcodesPath = tmpsavefolder
for qr in os.listdir(stitchedQrcodesPath):
from reportlab.lib.units import inch, mm
from PIL import Image, ImageChops, ImageDraw, ImagePath, ImageFont
import numpy
c = canvas.Canvas("hello.pdf", pagesize=(1562, 221 * mm))
# logo = "images/1.png"
# logo_width,logo_height = 1043,445
# image = Image(logo,logo_width,logo_height)
# image = Image.open("images/1.png").save('lalala.png')
# c.drawImage(image,0,0)
# hello(c)
c.drawString(226, 110, "Hello")
hair = Image.open("images/ab_thumb_male_hair_straight.png")
white_back = Image.open("lalala.png")
txt = Image.new('RGBA', white_back.size, (255, 255, 255, 0))
d = ImageDraw.Draw(txt)
font = ImageFont.truetype("arial.ttf", size=20)
d.text((20, 20), "Hello WORLD!", fill=(0, 0, 0, 255), font=font)
# d.text((20,100),"Hello WORLD2!",fill=(0,0,0,255))
white_back.paste(hair, (700, 20), hair)
# TEXT TRANSFORMATION
def find_coeffs(pa, pb):
matrix = []
for p1, p2 in zip(pa, pb):
matrix.append(
[p1[0], p1[1], 1, 0, 0, 0, -p2[0] * p1[0], -p2[0] * p1[1]])
matrix.append(
[0, 0, 0, p1[0], p1[1], 1, -p2[1] * p1[0], -p2[1] * p1[1]])
def get_Invoice(request):
if (request.method == 'POST'):
data = request.data
ingredientsList = data["nameList"]
quantityList = data["quantityList"]
#print(quantityList)
priceList = data["priceList"]
ingredientsdict = dict(
my_custom_sql("select name,ingredient_id from inventory"))
for i in range(0, len(ingredientsList)):
ingredientsList[i] = str(ingredientsdict[ingredientsList[i]])
balance = list(my_custom_sql("select balance from variable"))
balance = list(itertools.chain(*balance))
actbal = balance[0]
ingredientsList = [int(i) for i in ingredientsList]
quantityList = [float(i) for i in quantityList]
#print(quantityList)
priceList = [float(i) for i in priceList]
# for index in range(len(priceList)):
# priceList[index]=(quantityList[index])*(priceList[index])
gndprice = sum(priceList)
print(gndprice)
if (gndprice > actbal):
return Response("Insufficient balance")
else:
#print(ingredientsList)
for i in range(len(ingredientsList)):
ingred = Inventory.objects.get(pk=ingredientsList[i])
new_purchase = Purchase(ingredient=ingred,
quantity=quantityList[i],
price=priceList[i],
date=datetime.now())
new_purchase.save()
try:
purchase_list = PurchaseList.objects.get(
ingredient_name=ingred.name, is_ordered=1)
# print(purchase_list)
if (purchase_list.amount <= quantityList[i]):
purchase_list.delete()
else:
purchase_list.amount -= float(quantityList[i])
purchase_list.is_ordered = 0
purchase_list.save()
except:
traceback.print_exc()
actbal = actbal - gndprice
print(actbal)
my_custom_sql('update variable SET balance={}'.format(actbal))
for i in range(len(ingredientsList)):
my_custom_sql(
'update inventory set quantity=quantity+{} where ingredient_id={}'
.format(quantityList[i], ingredientsList[i]))
global invoice_no
filename = "check" + str(invoice_no) + ".jpg"
generate_check("supplier", gndprice, filename)
invoice_no += 1
try:
with open(filename, "rb") as f:
return HttpResponse(f.read(), content_type="image/jpeg")
except IOError:
red = Image.new('RGBA', (1, 1), (255, 0, 0, 0))
response = HttpResponse(content_type="image/jpeg")
red.save(response, "JPEG")
return response