Resizing
|
|
|
|
<?php
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// bol createThumbnail_ImageMagick($width, $height, $image_name, [$thumb_name], [$error])
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Creates a thumbnail of desired image. JPEG only right now. Uses the image magick program.
// Maintains aspect ration.
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Parameter:
// $width - Desired Image Width
// $height - Desired image height
// $image_name - Name of filename. Must be absolute path.
// $thumb_name - Name of thumbnail to be created. Must be absolute. Is optional, if it isn't set, new filename name is thumb_oldfilename.
// &$error - Reference to error message. Doesn't need to be returned since variable passed will be
// changed in event of error. Optional.
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Return value:
// true - upon successful thumbnail
// false - upon failed thumbnail
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
function createThumbnail_ImageMagick($width, $height, $image_name, $thumb_name="", $error="") {
// read image height and width
$info = getimagesize($image_name);
// get images new size
list($new_width, $new_height) = newSize($width, $height, $info[0], $info[1]);
// check if thumbnail name is set, if not prefix image name with thumb_
if ($thumb_name == "") {
$thumb_name = "thumb_" . basename($image_name);
}
// check if the directory is attached to filename, if so we need to prefix thumb_name with a /
if (dirname($image_name) != "") {
$copy_str = "cp $image_name " . dirname($image_name) . "/$thumb_name";
} else {
$copy_str = "cp $image_name " . dirname($image_name) . "$thumb_name";
}
// copy image to thumbnail (Also escaping shells just to be sure)
exec(EscapeShellCmd($copy_str));
// call image magick (Also escaping shells just to be sure)
exec(EscapeShellCmd("mogrify -geometry " . $new_height . "x" . $new_width . "! $thumb_name"));
return true;
}
?>
|
|
|
Usage Example
|
|
|
Rate This Script
|
|
|
|
Store
Your email: