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# -*- coding: utf-8 -*-
from reportlab.pdfgen import canvas
from reportlab.lib.units import mm
from reportlab.graphics.shapes import *
def writeText(currentCanvas, style, string, size, vpos, **kwargs):
"""
Wrapper function to conveniently write text and return how much vertical space it took up.
"""
margin = style.leftMargin*style.unit
align = kwargs.get('align', 'centre')
if align == 'centre' or align == 'center':
hpos = kwargs.get('hpos', style.pageSize[0]/2)
elif align == 'left':
hpos = kwargs.get('hpos', margin)
elif align == 'right':
hpos = kwargs.get('hpos', style.pageSize[0]-margin)
spacing = kwargs.get('spacing', style.lineSpacing)
currentCanvas.setFont(style.font, size)
if align == 'centre' or align == 'center':
currentCanvas.drawCentredString(hpos, vpos+(0.75*size*spacing),string)
elif align == 'left':
currentCanvas.drawString(hpos, vpos+(0.75*size*spacing),string)
elif align == 'right':
currentCanvas.drawString(hpos-currentCanvas.stringWidth(string), vpos+(0.75*size*spacing),string)
return size*style.lineSpacing
def drawHorizLine(currentCanvas, startpoint, endpoint, v_pos, h_origin, v_origin):
"""
Draw a horizontal line on the canvas taking origin point into account.
"""
x1 = h_origin+startpoint
x2 = h_origin+endpoint
currentCanvas.line(x1, v_pos, x2, v_pos)
def drawVertLine(currentCanvas, startpoint, endpoint, h_pos, h_origin, v_origin):
"""
Draw a vertical line on the canvas taking origin point into account.
"""
y1 = v_origin+startpoint
y2 = v_origin+endpoint
currentCanvas.line(h_pos, y1, h_pos, y2)