Re: Solutions need for resizing images (Thumbnail) on the fly..

Thanks goetz for your time, that's very kind of you to write the code. if i have any more questions i shall post it under new thread. "Goetz Lohmann" <goetz.lohmann@gmx.de> wrote in message news:20030206172924.18871.qmail@pb1.pair.com... > Geckodeep schrieb: > > Thanks Goetz > > > > But how can I apply this having: > > > > Path to the folder is $folder='images/repor_images'; // path to the > > image. > > > > My 9image variables are $image1, $image2, $image3,. and the code to call the > > image > > > > <?php print "<img alt='$title' border=0 width= '103' heigth > > = '70' > > src=\"$folder/$image1\">" ?> > > > > Thanks again. > > I should do coding the whole page I gues ;-) > > First of all some things to mention about: > 1. Better store only filenames in the database and leave > the images in the directory, cause you have to copy then > to a location anyway to get it by an browser > 2. Use an array of $image[] instead of numbering them > like $image1, $image2, ... (you have to use eval to > work with the numbers or have to write the code more > than once !) > > Ok here it goes: > > <?php > // guess you have JPEG images > // -------------- > $nr = 1; // start numbering your images > $maxsize = 150; // maximum size in one direction > // --------------- > while($nr <= 9) { > $img = @imagecreatefromjpeg ("$folder/$image[$nr]"); // try to open > if (!$im) { > echo "ERROR loading image $folder/$image[$nr] "; > exit 1; > } else { > $imagehw = GetImageSize($img); > $w = $imagehw; // width > $h = $imagehw; // height > // prevent division by zero > if (($h ==0) || ($w==0)) exit; > // get new size according to max size > if ($h>$w) { > $new_h = $maxsize; // new height > $new_w = (int) (($maxsize * $w) / $h); // casting to int ! > } else { > $new_w = $maxsize; // new width > $new_h = (int) (($maxsize * $h) / $w); // casting to int ! > } > // build dummy image > $thumb = imagecreate ($new_w, $new_h); > // resize old image > ImageCopyResized($thumb,$img,0,0,0,0,$new_w,$new_h,$w,$h); > // maybe use tempname() to generate a temporary file name or > // create name of thumbnail file like: *.jpg ==> *.png > $tumbnail=substr($image[$nr],0,strrpos($image[$nr],".")).".png"; > // save png image to same directory as jpg > @imagepng ($thumb,"$folder/$tumbnail"); // hope we could write > // leave the temporary data ... > ImageDestroy($img); > ImageDestroy($thumb); > // finished work > // ------------------- > // show image > echo "<img alt=\"$title\" border=\"0\" > width=\"$new_w\" ". > "heigth=\"$new_h\" src=\"$folder/$tumbnail\" >"; > } > $nr++; // next image > } > ?> > > maybe there might better ways but thats just a fast hack to work ... > > > > -- > @ Goetz Lohmann, Germany | Web-Developer & Sys-Admin > \/ ------------------------------------------------------ > () He's the fellow that people wonder what he does and > || why the company needs him, until he goes on vacation. >