Re: Calculate string width using some font.

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pdf_stringwidth() may help you

regards fra*


> >> Hey list! :)
> >>
> >
> > my name's not list but what the heck:
> >
> > take a look at these function, they should light the way:
> >
> > http://php.net/manual/en/function.imageftbbox.php
> > http://php.net/manual/en/function.imagepsbbox.php
> > http://php.net/manual/en/function.imagettfbbox.php
> > http://php.net/imageloadfont
> >
> > everything is pixels.
> >
> > there is no dpi - your screen & printer has a certain dpi and that
determine
> > how big the image displays on either.
> >
> > okay not much help - I had brain freeze half thru.
> >
> >
>
> K, np, Ill try use imagettfbbox() function instead.
>
> Thx.
> >> I've got a problem trying to calculate a string width using an X font
> >> with some Y font size to use in an svg-to-pdf conversion.
> >>
> >> This is what I try to do:
> >> 1. Create a dummy image.
> >> 2. Set the text there using font X and the font size Y (it seems that
> >> when I create the image it renders it at 72dpi so I need to reduce it
at
> >> 300dpi)
> >>
> >> I'm  not sure what the imagettftext() function returns, are those
values
> >> measured in pixels ?
> >>
> >
> > yes.
> >
> >
> >> I read in some page that the proportion to reduce
> >> the image at 300dpi  is reduce the size to 24% of its original size.
> >>
> >> http://www.printingforless.com/resolution.html
> >>
> >> That's the code:
> >>
> >> ***
> >>
> >> // Create dummy image.
> >> $rsc_image = imagecreate( 1, 1 );
> >>
> >> // Set image.
> >> $arr_ftx = imagettftext( $rsc_image, $int_font_size, 0, 0, 0, -1,
> >> "./fonts/{$str_font_file}", $str_variable_value );
> >> // Destroy dummy image.
> >> imagedestroy( $rsc_image );
> >>
> >> // Set structure of widths.
> >> // TODO: Magik numbers.
> >> $arr_variable_pixels[$str_variable_index] = ( ( $arr_ftx[2] * 24 ) /
100 );
> >>
> >> ***
> >>
> >> Thx for any help.
> >>
> >>
> >
> >
> >

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