Re: Calculate string width using some font.

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. > >> > >> > > > > > >