Re: Watermarking of images

On Mon, 2009-05-11 at 10:39 -0700, Michael A. Peters wrote: > tedd wrote: > > At 12:04 AM -0700 5/11/09, Michael A. Peters wrote: > >> That site is also coded in php so I'm guessing that the watermark is > >> added using a php technology. > >> > >> Can someone enlighten me on how that is done? > >> > >> Also, while not php related, could someone enlighten me of a really > >> good font to use for watermarking images? > > > > > > Michael: > > > > Here's an example with code: > > > > http://webbytedd.com/b/watermark/ > > > > Cheers, > > > > tedd > > > > This is what I'm doing, it seems to work - > > $im=imagecreatefromjpeg($impath); > $text_font="LT_51250.TTF"; > imageantialias($im, true); > $imw=imagesx($im); > $imy=imagesy($im); > $string="© " . $somestring; > $lbox=imageftbbox($fontsize, 0, $text_font, $string); > $color = imagecolorallocate ($im, 255,255,255); > $bcolor = imagecolorallocate ($im, 0,0,0); > > imagefttext($im,$fontsize,0,($xcord - 1),$ycord,$bcolor,$text_font,$string); > > imagefttext($im,$fontsize,0,($xcord + 1),$ycord,$bcolor,$text_font,$string); > > imagefttext($im,$fontsize,0,$xcord,($ycord - 1),$bcolor,$text_font,$string); > > imagefttext($im,$fontsize,0,$xcord,($ycord + 1),$bcolor,$text_font,$string); > > imagefttext($im,$fontsize,0,$xcord,$ycord,$color,$text_font,$string); > > header ("Content-type: image/jpeg"); > imagejpeg($im); > imagedestroy($im); > > where $impath is the filesystem path to where image is stored, $xcord is > x coordinate, $ycord is y coordinate. > > It does it very nicely. > (I changed font to helvetica - it seems to work a little better for this > than lucida mono, largely because it isn't monospace). Note that the 1 pixel offset is optional. You could use 2 or more and get a thicker black border. It might even be nicer looking if you did all eight directions. Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP