Redesign label sheet to have variable (csa based) label size

This commit is contained in:
2022-02-22 23:21:07 +00:00
parent 09f48f740d
commit 41f5a23ef0
2 changed files with 23 additions and 24 deletions

View File

@@ -17,7 +17,7 @@ from django.shortcuts import get_object_or_404
from django.template.loader import get_template
from PyPDF2 import PdfFileMerger, PdfFileReader
from PIL import Image, ImageDraw, ImageFont
from PIL import Image, ImageDraw, ImageFont, ImageOps
from barcode import Code39
from barcode.writer import ImageWriter
from z3c.rml import rml2pdf
@@ -348,8 +348,9 @@ def generate_label(pk):
black = (0, 0, 0)
white = (255, 255, 255)
size = (700, 200)
font = ImageFont.truetype("static/fonts/OpenSans-Regular.tff", 22)
heavy_font = ImageFont.truetype("static/fonts/OpenSans-Bold.tff", 35)
font_size = 22
font = ImageFont.truetype("static/fonts/OpenSans-Regular.tff", font_size)
heavy_font = ImageFont.truetype("static/fonts/OpenSans-Bold.tff", font_size + 13)
obj = get_object_or_404(models.Asset, asset_id=pk)
asset_id = f"Asset: {obj.asset_id}"
@@ -358,23 +359,25 @@ def generate_label(pk):
csa = f"CSA: {obj.csa}mm²"
image = Image.new("RGB", size, white)
image = ImageOps.expand(image, border=(5, 5, 5, 5), fill=black)
logo = Image.open("static/imgs/square_logo.png")
draw = ImageDraw.Draw(image)
draw.text((210, 120), asset_id, fill=black, font=heavy_font)
draw.text((300, 0), asset_id, fill=black, font=heavy_font)
if obj.is_cable:
y = 165
y = 140
draw.text((210, y), length, fill=black, font=font)
draw.text((365, y), csa, fill=black, font=font)
draw.multiline_text((512, 130), "TEC PA & Lighting\n(0115) 84 68720", fill=black, font=font)
if obj.csa:
draw.text((365, y), csa, fill=black, font=font)
draw.text((210, size[1] - font_size - 8), "TEC PA & Lighting (0115) 84 68720", fill=black, font=font)
barcode = Code39(str(obj.asset_id), writer=ImageWriter())
logo_size = (200, 200)
image.paste(logo.resize(logo_size, Image.ANTIALIAS))
image.paste(logo.resize(logo_size, Image.ANTIALIAS), box=(5, 5))
barcode_image = barcode.render(writer_options={"quiet_zone": 0, "write_text": False})
width, height = barcode_image.size
image.paste(barcode_image.crop((0, 0, width, 120)), (int(((size[0] + logo_size[0]) - width) / 2), 0))
image.paste(barcode_image.crop((0, 0, width, 100)), (int(((size[0] + logo_size[0]) - width) / 2), 40))
return image
@@ -403,15 +406,15 @@ class GenerateLabels(generic.View):
base64_encoded_result_bytes = base64.b64encode(img_bytes)
base64_encoded_result_str = base64_encoded_result_bytes.decode('ascii')
images.append(base64_encoded_result_str)
images.append((get_object_or_404(models.Asset, asset_id=asset_id), base64_encoded_result_str))
name = f"Asset Label Sheet generated at {timezone.now()}"
context = {
'images0': images[::4],
'images1': images[1::4],
'images2': images[2::4],
'images3': images[3::4],
'images0': images[::3],
'images1': images[1::3],
'images2': images[2::3],
# 'images3': images[3::4],
'filename': name
}
merger = PdfFileMerger()