25/09/2011, 17:14
|
| | | Fecha de Ingreso: enero-2010
Mensajes: 149
Antigüedad: 14 años, 10 meses Puntos: 0 | |
Respuesta: Slide Theme Obscure 2.0
Código:
<?php
/*
TimThumb script created by Tim McDaniels and Darren Hoyt with tweaks by Ben Gillbanks
http://code.google.com/p/timthumb/
MIT License: http://www.opensource.org/licenses/mit-license.php
Paramters
---------
w: width
h: height
zc: zoom crop (0 or 1)
q: quality (default is 75 and max is 100)
HTML example: <img src="/scripts/timthumb.php?src=/images/whatever.jpg&w=150&h=200&zc=1" alt="" />
*/
/*
$sizeLimits = array(
"100x100",
"150x150",
);
error_reporting(E_ALL);
ini_set("display_errors", 1);
*/
// check to see if GD function exist
if(!function_exists('imagecreatetruecolor')) {
displayError('GD Library Error: imagecreatetruecolor does not exist - please contact your webhost and ask them to install the GD library');
}
define ('CACHE_SIZE', 250); // number of files to store before clearing cache
define ('CACHE_CLEAR', 5); // maximum number of files to delete on each cache clear
define ('VERSION', '1.11'); // version number (to force a cache refresh
if (function_exists('imagefilter') && defined('IMG_FILTER_NEGATE')) {
$imageFilters = array(
"1" => array(IMG_FILTER_NEGATE, 0),
"2" => array(IMG_FILTER_GRAYSCALE, 0),
"3" => array(IMG_FILTER_BRIGHTNESS, 1),
"4" => array(IMG_FILTER_CONTRAST, 1),
"5" => array(IMG_FILTER_COLORIZE, 4),
"6" => array(IMG_FILTER_EDGEDETECT, 0),
"7" => array(IMG_FILTER_EMBOSS, 0),
"8" => array(IMG_FILTER_GAUSSIAN_BLUR, 0),
"9" => array(IMG_FILTER_SELECTIVE_BLUR, 0),
"10" => array(IMG_FILTER_MEAN_REMOVAL, 0),
"11" => array(IMG_FILTER_SMOOTH, 0),
);
}
// sort out image source
$src = get_request("src", "");
if($src == '' || strlen($src) <= 3) {
displayError ('no image specified');
}
// clean params before use
$src = cleanSource($src);
// last modified time (for caching)
$lastModified = filemtime($src);
// get properties
$new_width = preg_replace("/[^0-9]+/", "", get_request("w", 0));
$new_height = preg_replace("/[^0-9]+/", "", get_request("h", 0));
$zoom_crop = preg_replace("/[^0-9]+/", "", get_request("zc", 1));
$quality = preg_replace("/[^0-9]+/", "", get_request("q", 80));
$filters = get_request("f", "");
if ($new_width == 0 && $new_height == 0) {
$new_width = 100;
$new_height = 100;
}
// set path to cache directory (default is ./cache)
// this can be changed to a different location
$cache_dir = './cache';
// get mime type of src
$mime_type = mime_type($src);
// check to see if this image is in the cache already
check_cache ($cache_dir, $mime_type);
// if not in cache then clear some space and generate a new file
cleanCache();
ini_set('memory_limit', "50M");
// make sure that the src is gif/jpg/png
if(!valid_src_mime_type($mime_type)) {
displayError("Invalid src mime type: " .$mime_type);
}
if(strlen($src) && file_exists($src)) {
// open the existing image
$image = open_image($mime_type, $src);
if($image === false) {
displayError('Unable to open image : ' . $src);
}
// Get original width and height
$width = imagesx($image);
$height = imagesy($image);
// generate new w/h if not provided
if( $new_width && !$new_height ) {
$new_height = $height * ( $new_width / $width );
} elseif($new_height && !$new_width) {
$new_width = $width * ( $new_height / $height );
} elseif(!$new_width && !$new_height) {
$new_width = $width;
$new_height = $height;
}
// create a new true color image
$canvas = imagecreatetruecolor( $new_width, $new_height );
imagealphablending($canvas, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($canvas, 0, 0, $color);
// Restore transparency blending
imagesavealpha($canvas, true);
if( $zoom_crop ) {
$src_x = $src_y = 0;
$src_w = $width;
$src_h = $height;
$cmp_x = $width / $new_width;
$cmp_y = $height / $new_height;
// calculate x or y coordinate and width or height of source
if ( $cmp_x > $cmp_y ) {
$src_w = round( ( $width / $cmp_x * $cmp_y ) );
$src_x = round( ( $width - ( $width / $cmp_x * $cmp_y ) ) / 2 );
} elseif ( $cmp_y > $cmp_x ) {
$src_h = round( ( $height / $cmp_y * $cmp_x ) );
$src_y = round( ( $height - ( $height / $cmp_y * $cmp_x ) ) / 2 );
}
imagecopyresampled( $canvas, $image, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h );
} else {
// copy and resize part of an image with resampling
imagecopyresampled( $canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height );
}
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