🚀 go-pugleaf

"TheXhippy" <thexhippy@notmail.com> wrote in message
news:ansblo$88m$1@paris.btinternet.com...
> Hello,
>
> I'm building a system where a user can upload an image to my server via an
> html form like this:
>
> <FORM NAME="add_img" METHOD="post" ACTION="showpic.php"
> ENCTYPE="multipart/form-data">
> <INPUT TYPE="file" NAME="image">
> <INPUT TYPE="submit" NAME="Submit" VALUE="Add New Property">
> </FORM>
>
> the file it posts to looks like this:
>
> <?php
> $store_dir= "../photo/";
>
>    if(strlen($HTTP_POST_FILES['image']['name'])>0)
>    {
>       $tmp_array  = explode(".", $HTTP_POST_FILES['image']['name']);
>       $tmp_length = count($tmp_array);
>       $extn       = strtolower($tmp_array[$tmp_length-1]);
>       $store_name = 'resized.'.$extn;
>       @copy($HTTP_POST_FILES['image']['tmp_name'],$store_dir.$store_name);
>       @unlink($HTTP_POST_FILES['image']['tmp_name']);
>       $size=GetImageSize($store_dir.$store_name);
>       $max_width    = 300;
>       $max_height   = 200;
>       $width_ratio  = ($size[0] / $max_width);
>       $height_ratio = ($size[1] / $max_height);
>       $width_ratio>=$height_ratio ? $ratio = $width_ratio : $ratio =
> $height_ratio;
>       $new_width  = ($size[0] / $ratio);
>       $new_height = ($size[1] / $ratio);
>       $resized_image = imagecreate($new_width,$new_height);
>       switch($extn)
>       {
>          case 'gif':
>          $src_img = imagecreatefromgif($store_dir.$store_name);
>          imagecopyresampled($resized_image, $src_img, 0,0,0,0,
> $new_width,$new_height,$size[0],$size[1]);
>          imagegif($resized_image,$store_dir.$store_name);
>          break;
>
>          case 'jpg':
>          $src_img = imagecreatefromjpeg($store_dir.$store_name);
>          imagecopyresampled($resized_image, $src_img, 0,0,0,0,
> $new_width,$new_height,$size[0],$size[1]);
>          imagejpeg($resized_image,$store_dir.$store_name);
>          break;
>       }
>    }
> print('<IMG SRC="'.$store_dir.$store_name.'"><BR>');
> ?>
>
>
> This takes the uploaded image and resizes it to fit within a maximum
> bounding box of 300x200 pixels but keeps the originals aspect ratio and it
> all works fine except that:
>
> 1) It trashes the colours on jpegs so they look like 16 colour posterised
> crap
>
> and
>
> 2) It creates gifs that my browser just won't show on screen - the file is
> there I can ftp it down and view it in Photoshop but it shows broken image
> on the screen.
>
> So what am I doing wrong?  I assume there is a default colour depth of an
> image created using imagecreate() and it seems to be the standard first 16
> and I assume therefore I need to change this before I go
> imagecopyresampled() or imagejpeg() but I cannot find any info on this.
>
> Using
> GD > 2
> PHP 4.06
> linux kernel 2.4.18
> apache 1.3.23
>
> Thanks in advance
>
> TheXhippy
>
>
>

don't you need an imagecreatetruecolor() in there?

--
 NoT
 I'd rather not take sides until I hear the monkey's version.