2020-prototyping-notebooks/reportlab_grid.ipynb

ReportLab A0 Canvas¶

Using loops and variables to create an A0 grid...

https://www.reportlab.com/docs/reportlab-userguide.pdf#page=10

line

In [1]:

from reportlab.pdfgen.canvas import Canvas
from reportlab.lib.pagesizes import A4, A0
from reportlab.lib.units import inch, cm, mm
import sys
from reportlab.pdfbase.ttfonts import TTFont, pdfmetrics

In [2]:

c = Canvas("grid.pdf", pagesize=A0)

In [3]:

c.line?

Signature: c.line(x1, y1, x2, y2)
Docstring:
draw a line segment from (x1,y1) to (x2,y2) (with color, thickness and
other attributes determined by the current graphics state).
File:      /opt/tljh/user/lib/python3.7/site-packages/reportlab/pdfgen/canvas.py
Type:      method

In [4]:

c.setLineWidth?

Signature: c.setLineWidth(width)
Docstring: <no docstring>
File:      /opt/tljh/user/lib/python3.7/site-packages/reportlab/pdfgen/canvas.py
Type:      method

In [5]:

c.line(0, 0, 100, 200)

In [6]:

c.setLineWidth(3*mm)

In [7]:

c.line(0, 0, 200, 100)

In [8]:

pagew, pageh = A0
colw = pagew/4
print (A0)
print (colw)

(2383.937007874016, 3370.393700787402)
595.984251968504

In [9]:

for x in range(4):
    c.line(x*colw, 0, x*colw, pageh)

In [10]:

colh = pageh/4
print (colh)
for y in range(4):
    c.line(0, y*colh, pagew, y*colh)

842.5984251968505

In [11]:

c.showPage()
c.save()

In [ ]: