Thumbnails

@The_Little_GuySep 17.2006

Can someone help me modify this code? I want it to create a thumbnail of the original image, but I don’t want to save the original image, just the thumbnail, and delete the original image.

[code=php]function createThumbnail($imageDirectory, $imageName, $thumbDirectory, $thumbWidth, $quality = 60){ $details = getimagesize(“$imageDirectory/$imageName”) or die(‘<div class=”container”> <div class=”content”> Please only upload images. <p> <a class=”bod” href=”user.php?login=upload”>Uploads</a> </p> </div> </div>’); $type = preg_replace(‘@^.+(?<=/)(.+)$@’, ‘$1’, $details[‘mime’]); eval(‘$srcImg = imagecreatefrom’.$type.'(“$imageDirectory/$imageName”);’); $thumbHeight = $details[1] * ($thumbWidth / $details[0]); $thumbImg = imagecreatetruecolor($thumbWidth, $thumbHeight); imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $details[0], $details[1]); eval(‘image’.$type.'($thumbImg, “$thumbDirectory/$imageName”‘.(($type==’jpeg’)?’, $quality’:”).’);’); imagedestroy($srcImg); imagedestroy($thumbImg); } foreach ($_FILES[“pictures”][“error”] as $key => $error) { if($error === 0) { $filename = time().$_FILES[“upload_img”][“name”][$key]; move_uploaded_file($_FILES[“upload_img”][“tmp_name”][$key], “images/user_images/$filename”); createThumbnail(“images/user_images”, “$filename”, “images/user_images”, 350); mysql_query(“INSERT INTO images(`userid`, `filename`) VALUES (‘$row[userid]’, ‘$filename’)”); } }[/code]

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PHP

7 Comments(s) _↴

@chesemonkylomaSep 17.2006 — #have you done

unlink($imageDirectory/$imageName);

?

@The_Little_GuyauthorSep 17.2006 — #I actually changed my mind of what I am looking for.

I now would like to keep the original, but resize it to 350px, and make a small thumbnail of that, so that it has a width of 100px.

@chesemonkylomaSep 17.2006 — #well, i'm not good with the gd library, all i knew was about unlink ?

@The_Little_GuyauthorSep 18.2006 — #I sorta figured somthing out, but I cant get it to work.

The image that will be put into resize.php will change everytime.

It works if I place a name like time.jpg in for $imgname, but I can't get it to work using this method, how can I put the file name in the src, so it can resize that image?

I have tried $_POST[img], but that just gives me nothing, and $_POST[img] holds a value like xxx.jpg

[code=php]echo'<img alt="'.$_POST['img_id'].'" src="resize.php">';[/code]

[B]resize.php[/B]

[code=php]<?php
 // The file
 $filename = "images/user_images/$imgname";
 
  // Set a maximum height and width
  $width = 100;
  $height = 20000;
 
  // Content type
  //header('Content-type: image/jpg');
 
  // Get new dimensions
  list($width_orig, $height_orig) = getimagesize($filename);
 
  $ratio_orig = $width_orig/$height_orig;
 
  if ($width/$height > $ratio_orig) {
   $width = $height*$ratio_orig;
  } else {
   $height = $width/$ratio_orig;
  }
 
  // Resample
  $image_p = imagecreatetruecolor($width, $height);
  $image = imagecreatefromjpeg($filename);
  imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
 
  // Output
  $img = imagejpeg($image_p, null, 100);
 ?> [/code]

@The_Little_GuyauthorSep 19.2006 — #Anyone?

@paoloooDec 21.2006 — #Bai!, ?

Hello Try this one. Hope i will work.

<?php

if ($_POST[submit]!="") {

function createThumbnail($imageDirectory, $imageName, $thumbDirectory, $thumbWidth, $quality = 60){

$details = getimagesize("$imageDirectory/$imageName");

if ($details === false){

unlink("$imageDirectory/$imageName");

DIE('<div class="container">

<div class="content">

Please only upload images.

<p>

<a class="bod" href="'.$_SERVER[PHP_SELF].'">Uploads</a> #user.php?login=upload

</p>

</div>

</div>');

}

$type = preg_replace('@^.+(?<=/)(.+)$@', '$1', $details['mime']);
  eval('$srcImg = imagecreatefrom'.$type.'("$imageDirectory/$imageName");');
  $thumbHeight = $details[1] * ($thumbWidth / $details[0]);
  $thumbImg = imagecreatetruecolor($thumbWidth, $thumbHeight);
  imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $details[0], $details[1]);
  eval('image'.$type.'($thumbImg, "$thumbDirectory/$imageName"'.(($type=='jpeg')?', $quality':'').');');
  imagedestroy($srcImg);
  imagedestroy($thumbImg);

}

foreach ($_FILES["pictures"]["error"] as $key => $error)

{

if($error === 0)

{

$filename = time().$_FILES["pictures"]["name"][$key];

$name = $_FILES["pictures"]["name"][$key];

move_uploaded_file($_FILES["pictures"]["tmp_name"][$key], "images/user_images/$filename");

createThumbnail("images/user_images", "$filename", "images/user_images", 350);

mysql_query("INSERT INTO images(userid, filename) VALUES ('$row[userid]', '$filename')");

}

}

}

?>

<form action="<?=$_SERVER[PHP_SELF]?>" enctype="multipart/form-data" method="post">

<input type="file" name="pictures[]"><br/>

<input type="submit" value="Upload" name="submit">

</form>

------------- ?

Can someone help me modify this code? I want it to create a thumbnail of the original image, but I don't want to save the original image, just the thumbnail, and delete the original image.

[code=php]function createThumbnail($imageDirectory, $imageName, $thumbDirectory, $thumbWidth, $quality = 60){
 $details = getimagesize("$imageDirectory/$imageName") or die('<div class="container">
 <div class="content">
 Please only upload images.
 <p>
 <a class="bod" href="user.php?login=upload">Uploads</a>
 </p>
 </div>
 </div>');
 $type = preg_replace('@^.+(?<=/)(.+)$@', '$1', $details['mime']);
 eval('$srcImg = imagecreatefrom'.$type.'("$imageDirectory/$imageName");');
 $thumbHeight = $details[1] * ($thumbWidth / $details[0]);
 $thumbImg = imagecreatetruecolor($thumbWidth, $thumbHeight);
 imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $details[0], $details[1]);
 eval('image'.$type.'($thumbImg, "$thumbDirectory/$imageName"'.(($type=='jpeg')?', $quality':'').');');
 imagedestroy($srcImg);
 imagedestroy($thumbImg);
 }
 foreach ($_FILES["pictures"]["error"] as $key => $error) 
 {
 if($error === 0)
 {
 $filename = time().$_FILES["upload_img"]["name"][$key];
 move_uploaded_file($_FILES["upload_img"]["tmp_name"][$key], "images/user_images/$filename");
 createThumbnail("images/user_images", "$filename", "images/user_images", 350);
 mysql_query("INSERT INTO images(userid, filename) VALUES ('$row[userid]', '$filename')");
 }
 }[/code]

[/QUOTE]

@paoloooDec 21.2006 — #Bai! Hello ?

I hope this can help you...

[code=php] echo'<img alt="'.$_POST['img_id'].'" src="resize.php?imgFilename=1166734003wallpaper3.jpg">'; [/code]

[code=php]
 <?php
 $imgname = $_GET[imgFilename];
 // The file
 $filename = "images/user_images/$imgname";
 
  // Set a maximum height and width
  $width = 100;
  $height = 20000;
 
  // Content type
  header('Content-type: image/jpg');
 
  // Get new dimensions
  list($width_orig, $height_orig) = getimagesize($filename);
 
  $ratio_orig = $width_orig/$height_orig;
 
  if ($width/$height > $ratio_orig) {
   $width = $height*$ratio_orig;
  } else {
   $height = $width/$ratio_orig;
  }
 
  // Resample
  $image_p = imagecreatetruecolor($width, $height);
  $image = imagecreatefromjpeg($filename);
  imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
 
  // Output
  $img = imagejpeg($image_p, null, 100);
 ?> [/code]

TRY it!.. Tell me if there's something wrong.. ?

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