[reportlab-users] Newbie -- How to center text in a paragraph

[Jim Steil]

Well, that fixed everything.  The other message regarding the font not
showing correctly in bold and italics was related.  It is working as
expected now.

	-Jim

Jim Steil
IT Manager
Quality Liquid Feeds
(608) 935-2345 
(608) 341-9896 cell

-----Original Message-----
From: reportlab-users-bounces at reportlab.com
[mailto:reportlab-users-bounces at reportlab.com] On Behalf Of Andy Robinson
Sent: Friday, June 23, 2006 10:27 AM
To: Reportlab-Users at Reportlab. Com
Subject: Re: [reportlab-users] Newbie -- How to center text in a paragraph

In this example change
  alignment="TA_CENTER"
to
 alignment=TA_CENTER
Assuming you have imported the name. In Python-land we use a numeric
constant (you could use 1 but it is cryptic) and in xml-land we use
"center", 

Hope this gets you there,

Andy
-----Original Message-----
From: "Jim Steil" <jim at qlf.com>
Date: Fri, 23 Jun 2006 10:04:11 
To:"'Support list for users of Reportlab
software'"<reportlab-users at reportlab.com>
Subject: RE: [reportlab-users] Newbie -- How to center text in a paragraph

I'm having a problem yet with the centering.  I have the following code:

styleCentered = ParagraphStyle(name="centeredStyle", alignment="TA_CENTER",
fontName=baseFont)
line1 = Paragraph('24-Hour Delivery Service on', styleCentered)
story1 = []
story1.append(line1)
frame1.addFromList(story1, canvas)


Which produces the following exception:

Traceback (most recent call last):
  File
"C:\Python24\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py",
line 310, in RunScript
    exec codeObject in __main__.__dict__
  File "C:\svn\Python Misc\priceListN.py", line 385, in ?
    processPlant(plant, priceList, priceListDate)
  File "C:\svn\Python Misc\priceListN.py", line 198, in processPlant
    printBacker(canvas, plantNumber)
  File "C:\svn\Python Misc\priceListN.py", line 258, in printBacker
    frame1.addFromList(story1, canvas)
  File "C:\Python24\reportlab\platypus\frames.py", line 202, in addFromList
    if self.add(head,canv,trySplit=0):
  File "C:\Python24\reportlab\platypus\frames.py", line 149, in _add
    flowable.drawOn(canv, self._x + self._leftExtraIndent, y, _sW=aW-w)
  File "C:\Python24\reportlab\platypus\flowables.py", line 103, in drawOn
    self._drawOn(canvas)
  File "C:\Python24\reportlab\platypus\flowables.py", line 88, in _drawOn
    self.draw()#this is the bit you overload
  File "C:\Python24\reportlab\platypus\paragraph.py", line 549, in draw
    self.drawPara(self.debug)
  File "C:\Python24\reportlab\platypus\paragraph.py", line 848, in drawPara
    t_off = dpl( tx, offset, lines[0][0], lines[0][1], noJustifyLast and
nLines==1)
UnboundLocalError: local variable 'dpl' referenced before assignment

Any ideas?

	-Jim

Jim Steil
IT Manager
Quality Liquid Feeds
(608) 935-2345 
(608) 341-9896 cell

-----Original Message-----
From: reportlab-users-bounces at reportlab.com
[mailto:reportlab-users-bounces at reportlab.com] On Behalf Of Andy Robinson
Sent: Thursday, June 22, 2006 3:44 PM
To: Support list for users of Reportlab software
Subject: Re: [reportlab-users] Newbie -- How to center text in a paragraph

Jim Steil wrote:
> Hi:
> 
>  
> 
> I'm REAL new to reportlab and am trying to center my text in a 
> paragraph.  I've found the XML markup and have the following code:
> 
>  
> 
>     styles = getSampleStyleSheet()
> 
>     style = styles['Normal']
> 
>     s5Text1 = '<para alignment="1"><i><b>QLF PRESERVATIVES AND MOLD 
> INHIBITORS</b></i></para>'

Try '<para alignment="center">'.  In xml you can use 'left', 'center',
'centre' (for reactionary Brits), 'right' and 'justify'.

But if you want the whole paragraph to be bold, italic and centered,
it's more efficient to make a style with those properties and create the 
paragraph with that style.  Typically you want about 10 styles in a 
document, and only need the XML markup for intra-paragraph changes. To 
go this way we DO use numeric constants and TA_CENTER is 1.

   from reportlab.lib.styles import ParagraphStyle
   from reportab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY
   sty = ParagraphStyle(name="myStyle", alignment="TA_CENTER", 
fontName="Helvetica-BoldOblique")
   para = Paragraph(text, style=sty)




- Andy
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