def test4(self):
styleSheet = getSampleStyleSheet()
bt = styleSheet['BodyText']
bfn = bt.fontName = 'Helvetica'
bfs = bt.fontSize
bfl = bt.leading
canv = Canvas(outputfile('test_platypus_paragraph_line_lengths.pdf'))
canv.setFont('Courier', bfs, bfl)
pageWidth, pageHeight = canv._pagesize
y = pageHeight - 15
x = stringWidth('999: ', 'Courier', bfs) + 5
aW = int(pageWidth) - 2 * x
def doPara(x, text, wc, ns, n, hrep=' ', crep=' ', hdw=0, cdw=0):
if '{H}' in text:
text = text.replace('{H}', hrep)
wc += hdw
if '{C}' in text:
text = text.replace('{C}', crep)
wc += cdw
p = Paragraph(text, bt)
w, h = p.wrap(aW, 1000)
annotations[:] = []
if measuring:
ends[:] = []
p.drawOn(canv, x, y - h)
canv.saveState()
canv.setLineWidth(0.1)
canv.setStrokeColorRGB(1, 0, 0)
canv.rect(x, y - h, wc, h)
if n is not None:
canv.setFillColorRGB(0, 1, 0)
canv.drawRightString(x, y - h, '%3d: ' % n)
if annotations:
canv.setLineWidth(0.1)
canv.setStrokeColorRGB(0, 1, 0)
canv.setFillColorRGB(0, 0, 1)
canv.setFont('Helvetica', 0.2)
for info in annotations:
cur_x = info['cur_x'] + x
cur_y = info['cur_y'] + y - h
canv.drawCentredString(cur_x, cur_y + 0.3,
'%.2f' % (cur_x - x))
canv.line(cur_x, cur_y, cur_x, cur_y + 0.299)
if measuring:
if not ends:
errors.append(
'Paragraph measurement failure no ends found for %s\n%r'
% (ns, text))
elif len(ends) > 1:
errors.append(
'Paragraph measurement failure no len(ends)==%d for %s\n%r'
% (len(ends), ns, text))
else:
cur_x = ends[0]['cur_x']
adiff = abs(wc - cur_x)
length_errors.append(adiff)
if adiff > 1e-8:
errors.append(
'Paragraph measurement error wc=%.4f measured=%.4f for %s\n%r'
% (wc, cur_x, ns, text))
canv.restoreState()
return h
swc = lambda t: stringWidth(t, 'Courier', bfs)
swcbo = lambda t: stringWidth(t, 'Courier-BoldOblique', bfs)
swh = lambda t: stringWidth(t, 'Helvetica', bfs)
swhbo = lambda t: stringWidth(t, 'Helvetica-BoldOblique', bfs)
swt = lambda t: stringWidth(t, 'Times-Roman', bfs)
swtb = lambda t: stringWidth(t, 'Times-Bold', bfs)
apat = re.compile("(<a\\s+name='a\\d+'/>)")
argv = sys.argv[1:]
data = (
(0, "<span fontName='Courier'>Hello{C}</span> World.",
swc('Hello ') + swh('World.')),
(1, "<span fontName='Courier'>Hello</span>{H}World.",
swc('Hello') + swh(' World.')),
(2,
" <a name='a2'/><span fontName='Courier'>Hello{C}</span> World.",
swc('Hello ') + swh('World.')),
(3,
" <a name='a3'/><span fontName='Courier'>Hello</span>{H}World.",
swc('Hello') + swh(' World.')),
(4,
"<span fontName='Courier'><a name='a4'/>Hello{C}</span> World.",
swc('Hello ') + swh('World.')),
(5, "<span fontName='Courier'><a name='a5'/>Hello</span>{H}World.",
swc('Hello') + swh(' World.')),
(6,
"<span fontName='Courier'>Hello<a name='a6'/>{C}</span> World.",
swc('Hello ') + swh('World.')),
(7, "<span fontName='Courier'>Hello<a name='a7'/></span>{H}World.",
swc('Hello') + swh(' World.')),
(8,
"<span fontName='Courier'>Hello{C}<a name='a8'/></span> World.",
swc('Hello ') + swh('World.')),
(9, "<span fontName='Courier'>Hello</span><a name='a9'/>{H}World.",
swc('Hello') + swh(' World.')),
(10,
"<span fontName='Courier'>Hello{C}</span> <a name='a10'/>World.",
swc('Hello ') + swh('World.')),
(11,
"<span fontName='Courier'>Hello</span>{H}<a name='a11'/>World.",
swc('Hello') + swh(' World.')),
(12,
"<span fontName='Courier'>Hello{C}</span> World. <a name='a12'/>",
swc('Hello ') + swh('World.')),
(13,
"<span fontName='Courier'>Hello</span>{H}World. <a name='a13'/>",
swc('Hello') + swh(' World.')),
(14,
" <a name='a2'/> <span fontName='Courier'>Hello{C}</span> World.",
swc('Hello ') + swh('World.')),
(15,
" <a name='a3'/> <span fontName='Courier'>Hello</span>{H}World.",
swc('Hello') + swh(' World.')),
(16,
" <a name='a2'/> <span fontName='Courier'>Hello{C}<a name='b'/> </span> <a name='b'/> World.",
swc('Hello ') + swh('World.')),
(17,
" <a name='a3'/> <span fontName='Courier'>Hello</span>{H}<a name='b'/> World.",
swc('Hello') + swh(' World.')),
(30,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(31,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(32,
" <a name='a2'/><span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(33,
" <a name='a3'/><span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(34,
"<span fontName='Courier'><a name='a4'/>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span> </span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(35,
"<span fontName='Courier'><a name='a5'/>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(36,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span><a name='a6'/> </span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(37,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span><a name='a7'/></span>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(38,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}<a name='a8'/></span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(39,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span><a name='a9'/>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(40,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> <a name='a10'/>World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(41,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}<a name='a11'/>World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(42,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World. <a name='a12'/>",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(43,
"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span> World.{H}<a name='a13'/>",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(44,
" <a name='a2'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(45,
" <a name='a3'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
(46,
" <a name='a2'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}<a name='b'/> </span> <a name='b'/> World.",
swt('l') + swtb('lo') + swc('He ') + swh('World.')),
(47,
" <a name='a3'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}<a name='b'/> World.",
swt('l') + swtb('lo') + swc('He') + swh(' World.')),
)
_exceptions = {
1: {
8: swh(' '),
12: swh(' '),
13: swh(' '),
14: swh(' '),
15: swh(' '),
16: swh(' '),
17: swh(' '),
38: swh(' '),
42: swh(' '),
43: swh(' '),
44: swh(' '),
45: swh(' '),
46: swh(' '),
47: swh(' '),
},
}
def gex(n, v):
return _exceptions[1].get(v, 0)
x1 = x + max(_tmp[2] for _tmp in data) + 5
x2 = x1 + max(_tmp[2] + 10 + gex(1, _tmp[0]) for _tmp in data) + 5
x3 = x2 + max(_tmp[2] + 10 + gex(2, _tmp[0]) for _tmp in data) + 5
x4 = x3 + max(_tmp[2] + 20 + gex(3, _tmp[0]) for _tmp in data) + 5
annotations = []
ends = []
errors = []
measuring = True
length_errors = []
def _onDrawFunc(canv, name, label):
if measuring and label == 'end':
ends.append(canv._curr_tx_info)
annotations.append(canv._curr_tx_info)
canv._onDrawFunc = _onDrawFunc
rep0 = '<ondraw name="_onDrawFunc"/>\\1'
for n, text, wc in data:
if argv and str(n) not in argv: continue
text0 = (apat.sub(rep0, text) if rep0 else
text) + ('<ondraw name="_onDrawFunc" label="end"/>'
if measuring else '')
ns = str(n)
h = doPara(x, text0, wc, ns, n)
if '<a' in text:
text1 = apat.sub(
'<img width="10" height="5" src="pythonpowered.gif"/>',
text0)
doPara(x1, text1, wc + 10 + gex(1, n), ns + '.11', None)
text2 = apat.sub(
'\\1<img width="10" height="5" src="pythonpowered.gif"/>',
text0)
doPara(x2, text1, wc + 10 + gex(2, n), ns + '.12', None)
text3 = apat.sub(
'\\1<img width="10" height="5" src="pythonpowered.gif"/><img width="10" height="5" src="pythonpowered.gif"/>\\1',
text0)
doPara(x3, text3, wc + 20 + gex(3, n), ns + '.13', None)
doPara(
x4,
text3,
wc + 20 + gex(3, n),
ns + '.14',
None,
hrep='<span face="Courier-BoldOblique"> </span>',
crep='<span face="Helvetica-BoldOblique"> </span>',
hdw=swcbo(' ') - swhbo(' '),
cdw=swhbo(' ') - swcbo(' '),
)
else:
doPara(
x1,
text0,
wc,
ns + '.21',
None,
hrep='<span face="Courier-BoldOblique"> </span>',
crep='<span face="Helvetica-BoldOblique"> </span>',
hdw=swcbo(' ') - swhbo(' '),
cdw=swhbo(' ') - swcbo(' '),
)
y -= h + 1
canv.showPage()
canv.save()
if errors:
raise ValueError('\n'.join(errors))
def test4(self):
styleSheet = getSampleStyleSheet()
bt = styleSheet['BodyText']
bfn = bt.fontName = 'Helvetica'
bfs = bt.fontSize
bfl = bt.leading
canv=Canvas(outputfile('test_platypus_paragraph_line_lengths.pdf'))
canv.setFont('Courier',bfs,bfl)
pageWidth, pageHeight = canv._pagesize
y = pageHeight - 15
x = stringWidth('999: ','Courier',bfs) + 5
aW = int(pageWidth)-2*x
def doPara(x,text,wc,ns,n,hrep=' ',crep=' ',hdw=0,cdw=0):
if '{H}' in text:
text = text.replace('{H}',hrep)
wc += hdw
if '{C}' in text:
text = text.replace('{C}',crep)
wc += cdw
p = Paragraph(text,bt)
w,h = p.wrap(aW,1000)
annotations[:] = []
if measuring:
ends[:] = []
p.drawOn(canv,x,y-h)
canv.saveState()
canv.setLineWidth(0.1)
canv.setStrokeColorRGB(1,0,0)
canv.rect(x,y-h,wc,h)
if n is not None:
canv.setFillColorRGB(0,1,0)
canv.drawRightString(x,y-h,'%3d: ' % n)
if annotations:
canv.setLineWidth(0.1)
canv.setStrokeColorRGB(0,1,0)
canv.setFillColorRGB(0,0,1)
canv.setFont('Helvetica',0.2)
for info in annotations:
cur_x = info['cur_x']+x
cur_y = info['cur_y']+y-h
canv.drawCentredString(cur_x, cur_y+0.3,'%.2f' % (cur_x-x))
canv.line(cur_x,cur_y,cur_x,cur_y+0.299)
if measuring:
if not ends:
errors.append('Paragraph measurement failure no ends found for %s\n%r' % (ns,text))
elif len(ends)>1:
errors.append('Paragraph measurement failure no len(ends)==%d for %s\n%r' % (len(ends),ns,text))
else:
cur_x = ends[0]['cur_x']
adiff = abs(wc-cur_x)
length_errors.append(adiff)
if adiff>1e-8:
errors.append('Paragraph measurement error wc=%.4f measured=%.4f for %s\n%r' % (wc,cur_x,ns,text))
canv.restoreState()
return h
swc = lambda t: stringWidth(t,'Courier',bfs)
swcbo = lambda t: stringWidth(t,'Courier-BoldOblique',bfs)
swh = lambda t: stringWidth(t,'Helvetica',bfs)
swhbo = lambda t: stringWidth(t,'Helvetica-BoldOblique',bfs)
swt = lambda t: stringWidth(t,'Times-Roman',bfs)
swtb = lambda t: stringWidth(t,'Times-Bold',bfs)
apat = re.compile("(<a\\s+name='a\\d+'/>)")
argv = sys.argv[1:]
data = (
(0,"<span fontName='Courier'>Hello{C}</span> World.", swc('Hello ')+swh('World.')),
(1,"<span fontName='Courier'>Hello</span>{H}World.", swc('Hello')+swh(' World.')),
(2," <a name='a2'/><span fontName='Courier'>Hello{C}</span> World.", swc('Hello ')+swh('World.')),
(3," <a name='a3'/><span fontName='Courier'>Hello</span>{H}World.", swc('Hello')+swh(' World.')),
(4,"<span fontName='Courier'><a name='a4'/>Hello{C}</span> World.", swc('Hello ')+swh('World.')),
(5,"<span fontName='Courier'><a name='a5'/>Hello</span>{H}World.", swc('Hello')+swh(' World.')),
(6,"<span fontName='Courier'>Hello<a name='a6'/>{C}</span> World.", swc('Hello ')+swh('World.')),
(7,"<span fontName='Courier'>Hello<a name='a7'/></span>{H}World.", swc('Hello')+swh(' World.')),
(8,"<span fontName='Courier'>Hello{C}<a name='a8'/></span> World.", swc('Hello ')+swh('World.')),
(9,"<span fontName='Courier'>Hello</span><a name='a9'/>{H}World.", swc('Hello')+swh(' World.')),
(10,"<span fontName='Courier'>Hello{C}</span> <a name='a10'/>World.", swc('Hello ')+swh('World.')),
(11,"<span fontName='Courier'>Hello</span>{H}<a name='a11'/>World.", swc('Hello')+swh(' World.')),
(12,"<span fontName='Courier'>Hello{C}</span> World. <a name='a12'/>", swc('Hello ')+swh('World.')),
(13,"<span fontName='Courier'>Hello</span>{H}World. <a name='a13'/>", swc('Hello')+swh(' World.')),
(14," <a name='a2'/> <span fontName='Courier'>Hello{C}</span> World.", swc('Hello ')+swh('World.')),
(15," <a name='a3'/> <span fontName='Courier'>Hello</span>{H}World.", swc('Hello')+swh(' World.')),
(16," <a name='a2'/> <span fontName='Courier'>Hello{C}<a name='b'/> </span> <a name='b'/> World.", swc('Hello ')+swh('World.')),
(17," <a name='a3'/> <span fontName='Courier'>Hello</span>{H}<a name='b'/> World.", swc('Hello')+swh(' World.')),
(30,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(31,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(32," <a name='a2'/><span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(33," <a name='a3'/><span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(34,"<span fontName='Courier'><a name='a4'/>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span> </span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(35,"<span fontName='Courier'><a name='a5'/>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(36,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span><a name='a6'/> </span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(37,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span><a name='a7'/></span>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(38,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}<a name='a8'/></span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(39,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span><a name='a9'/>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(40,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> <a name='a10'/>World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(41,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}<a name='a11'/>World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(42,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World. <a name='a12'/>", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(43,"<span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span> World.{H}<a name='a13'/>", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(44," <a name='a2'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}</span> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(45," <a name='a3'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
(46," <a name='a2'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span>{C}<a name='b'/> </span> <a name='b'/> World.", swt('l')+swtb('lo')+swc('He ')+swh('World.')),
(47," <a name='a3'/> <span fontName='Courier'>He<span face='Times-Roman' color='red'>l</span><span face='Times-Bold' color='orange'>lo</span></span>{H}<a name='b'/> World.", swt('l')+swtb('lo')+swc('He')+swh(' World.')),
)
_exceptions = {
1: {
8: swh(' '),
12: swh(' '),
13: swh(' '),
14: swh(' '),
15: swh(' '),
16: swh(' '),
17: swh(' '),
38: swh(' '),
42: swh(' '),
43: swh(' '),
44: swh(' '),
45: swh(' '),
46: swh(' '),
47: swh(' '),
},
}
def gex(n,v):
return _exceptions[1].get(v,0)
x1 = x + max(_tmp[2] for _tmp in data) + 5
x2 = x1 + max(_tmp[2]+10+gex(1,_tmp[0]) for _tmp in data) + 5
x3 = x2 + max(_tmp[2]+10+gex(2,_tmp[0]) for _tmp in data) + 5
x4 = x3 + max(_tmp[2]+20+gex(3,_tmp[0]) for _tmp in data) + 5
annotations = []
ends = []
errors = []
measuring = True
length_errors = []
def _onDrawFunc(canv,name,label):
if measuring and label=='end':
ends.append(canv._curr_tx_info)
annotations.append(canv._curr_tx_info)
canv._onDrawFunc = _onDrawFunc
rep0 = '<ondraw name="_onDrawFunc"/>\\1'
for n,text,wc in data:
if argv and str(n) not in argv: continue
text0 = (apat.sub(rep0,text) if rep0 else text)+('<ondraw name="_onDrawFunc" label="end"/>' if measuring else '')
ns = str(n)
h = doPara(x,text0,wc,ns,n)
if '<a' in text:
text1 = apat.sub('<img width="10" height="5" src="pythonpowered.gif"/>',text0)
doPara(x1,text1,wc+10+gex(1,n),ns+'.11',None)
text2 = apat.sub('\\1<img width="10" height="5" src="pythonpowered.gif"/>',text0)
doPara(x2,text1,wc+10+gex(2,n),ns+'.12',None)
text3 = apat.sub('\\1<img width="10" height="5" src="pythonpowered.gif"/><img width="10" height="5" src="pythonpowered.gif"/>\\1',text0)
doPara(x3,text3,wc+20+gex(3,n),ns+'.13',None)
doPara(x4,text3,wc+20+gex(3,n),ns+'.14',None,
hrep='<span face="Courier-BoldOblique"> </span>',
crep='<span face="Helvetica-BoldOblique"> </span>',
hdw = swcbo(' ') - swhbo(' '),
cdw = swhbo(' ') - swcbo(' '),
)
else:
doPara(x1,text0,wc,ns+'.21',None,
hrep='<span face="Courier-BoldOblique"> </span>',
crep='<span face="Helvetica-BoldOblique"> </span>',
hdw = swcbo(' ') - swhbo(' '),
cdw = swhbo(' ') - swcbo(' '),
)
y -= h+1
canv.showPage()
canv.save()
if errors:
raise ValueError('\n'.join(errors))
