[reportlab-users] italic fonts

[Alex Greif]

Hi Robin,

thats is exactly what I need!!!

thanks very much

Alex.

On 11/22/05, Robin Becker <robin at reportlab.com> wrote:
> Alex Greif wrote:
> > It is only small strings that I want to convert.
> >
> > strange is the fact that the wxPython Demo is able to display comic
> > italic. I thought that if it is possible in  the application, then
> > there would be an easy way to do this in the PDF too. may be wxPython
> > only skews the text matrix.
> >
> > Is there a possibility to generate an italic ttf of, which dont
> > support it by default, or is it a question of license.
> >
> > thanks,
> > ALex.
> >
> .
> >>
> ...... I think the problem as stated is unsolvable. Skewing the text rendering
> coordinates is possible, but is currently not done in our Textobject class. Weou
> would have to track the text and text line matrices to allow users to mess with
> them in a reasonable way and that overhead that wouldn't be required by 99.99%
> of users.
>
> I suspect that even if we could get a skew matrix to work it wouldn't be doing
> what font experts call italicising, but I'm not an expert.
>
> On the other hand for small amounts of text you can use a simple draw one
> character at a time technique with a global skew matrix set up. You'll have to
> handle the string to canvas stuff (including working out the coordinates) your self.
>
> Try this code and see if it does what you want
>
>
> ###########################################
> from reportlab.pdfgen.canvas import Canvas
>
> c = Canvas('/tmp/skewed.pdf')
>
> def skewText(c, x,y,text,fontName,fontSize,fillColor,skewAngle):
>         from reportlab.graphics.shapes import skewX
>         skewMatrix = skewX(skewAngle)
>         c.saveState()
>         c.setFillColor(fillColor)
>         c.setFont(fontName,fontSize)
>         for t in text:
>                 c.saveState()
>                 c.translate(x,y)
>                 c.transform(*skewMatrix)
>                 c.drawString(0,0,t)
>                 c.restoreState()
>                 x += c.stringWidth(t,fontName,fontSize)
>         c.restoreState()
>
> #first draw some normal text
> fontName='Courier'
> fontSize=14
> leading=14*1.2
> fillColor=(0,0,0)
> x=72
> y=3*72
> c.setFillColor(fillColor)
> c.setFont(fontName,fontSize)
>
> c.drawString(x,y,'I should not be skewed')
> skewText(c,x,y-leading,'I should be skewed 10',fontName,fontSize,fillColor,10)
> skewText(c,x,y-2*leading,'I should be skewed 20',fontName,fontSize,fillColor,20)
> skewText(c,x,y-3*leading,'I should be skewed 30',fontName,fontSize,fillColor,30)
>
> c.showPage()
> c.save()
> ###########################################
> --
> Robin Becker
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>


--

Alex Greif
________________________________________
http://www.fotobuch-xxl.de/