def drawTextPages(self,
pages,
margin=1.0,
fontsize=10,
leading=10,
spacer=0.05):
s = getSampleStyleSheet()['BodyText']
s.fontName = self.font_mapping['Monospaced']
s.alignment = TA_LEFT
textHorizontalMargin = margin * cm
textVerticalMargin = margin * cm
textBoxWidth = self.options.paperwidth - 2 * textHorizontalMargin
textBoxHeight = self.options.paperheight - 2 * textVerticalMargin
minSpacerHeight = 0.05 * cm
for page in pages:
s.fontsize = fontsize
s.leading = leading
spacerHeight = spacer * cm
text = re.split("\n", page)
while True:
paragraphs = []
# this accounts for the spacers we insert between paragraphs
h = (len(text) - 1) * spacerHeight
for line in text:
p = XPreformatted(line, s)
h += p.wrap(textBoxWidth, textBoxHeight)[1]
paragraphs.append(p)
if h <= textBoxHeight or s.fontSize <= 1 or s.leading <= 1:
break
else:
s.fontSize -= 0.2
s.leading -= 0.2
spacerHeight = max(spacerHeight - 1, minSpacerHeight)
h = self.options.paperheight - textVerticalMargin
for p in paragraphs:
h -= p.height
p.drawOn(self.canvas, textHorizontalMargin, h)
h -= spacerHeight
self.canvas.showPage()
