Файл: system/classes/images.php
Строк: 153
<?php
/*
Appointment: создание уменьшенных копий
File: images.php
Author: f0rt1
Engine: Vii Engine
Copyright: NiceWeb Group (с) 2011
e-mail: niceweb@i.ua
URL: http://www.niceweb.in.ua/
ICQ: 427-825-959
Данный код защищен авторскими правами
*/
if(!defined( 'MOZG')){
die( "Hacking attempt!" );
}
class thumbnail {
var $img;
var $watermark_image_light;
var $watermark_image_dark;
function thumbnail($imgfile) {
//detect image format
$info = @getimagesize($imgfile);
if( $info[2] == 2 ) {
$this->img['format'] = "JPEG";
$this->img['src'] = @imagecreatefromjpeg( $imgfile );
} elseif( $info[2] == 3 ) {
$this->img['format'] = "PNG";
$this->img['src'] = @imagecreatefrompng( $imgfile );
} elseif( $info[2] == 1 ) {
$this->img['format'] = "GIF";
$this->img['src'] = @imagecreatefromgif( $imgfile );
} else {
echo "Not Supported File! Thumbnails can only be made from .jpg, gif and .png images!";
@unlink( $imgfile );
exit();
}
if( !$this->img['src'] ) {
echo "Not Supported File! Thumbnails can only be made from .jpg, gif and .png images!";
@unlink( $imgfile );
exit();
}
$this->img['lebar'] = @imagesx( $this->img['src'] );
$this->img['tinggi'] = @imagesy( $this->img['src'] );
$this->img['lebar_thumb'] = $this->img['lebar'];
$this->img['tinggi_thumb'] = $this->img['tinggi'];
//default quality jpeg
$this->img['quality'] = 90;
}
function size_auto($size = 100, $site = 0, $jqCrop = 0) {
$size = explode ("x", $size);
if($jqCrop){
return $this->jqCrop( intval($size[0]), intval($size[1]), $jqCrop);
} else if ( count($size) == 2 ) {
$size[0] = intval($size[0]);
$size[1] = intval($size[1]);
return $this->crop( intval($size[0]), intval($size[1]) );
} else {
$size[0] = intval($size[0]);
return $this->scale( intval($size[0]), $site);
}
}
function crop($nw, $nh) {
$w = $this->img['lebar'];
$h = $this->img['tinggi'];
if( $w <= $nw AND $h <= $nh ) {
$this->img['lebar_thumb'] = $w;
$this->img['tinggi_thumb'] = $h;
return 0;
}
$nw = min($nw, $w);
$nh = min($nh, $h);
$size_ratio = max($nw / $w, $nh / $h);
$src_w = ceil($nw / $size_ratio);
$src_h = ceil($nh / $size_ratio);
$sx = floor(($w - $src_w)/2);
$sy = floor(($h - $src_h)/2);
$this->img['des'] = imagecreatetruecolor($nw, $nh);
if ( $this->img['format'] == "PNG" ) {
imagealphablending( $this->img['des'], false);
imagesavealpha( $this->img['des'], true);
}
imagecopyresampled($this->img['des'],$this->img['src'],0,0,$sx,0,$nw,$nh,$src_w,$src_h);
$this->img['src'] = $this->img['des'];
return 1;
}
function jqCrop($nw, $nh, $cropData) {
$cropDataExp = explode('|', $cropData);
$left = $cropDataExp[0];
$top = $cropDataExp[1];
if(!$left OR $left <= 0) $left = 0;
if(!$top OR $top <= 0) $top = 0;
if($nw < 100) $nw = 100;
if($nh < 100) $nh = 100;
$w = $this->img['lebar'];
$h = $this->img['tinggi'];
if( $w <= $nw AND $h <= $nh ) {
$this->img['lebar_thumb'] = $w;
$this->img['tinggi_thumb'] = $h;
return 0;
}
$nw = min($nw, $w);
$nh = min($nh, $h);
$size_ratio = max($nw / $w, $nh / $h);
$src_w = ceil($nw / $size_ratio);
$src_h = ceil($nh / $size_ratio);
$this->img['des'] = imagecreatetruecolor($nw, $nh);
if ( $this->img['format'] == "PNG" ) {
imagealphablending( $this->img['des'], false);
imagesavealpha( $this->img['des'], true);
}
imagecopyresampled($this->img['des'], $this->img['src'], 0, 0, $left, $top, $nw, $nh, $nw, $nh);
$this->img['src'] = $this->img['des'];
return 1;
}
function scale($size = 100, $site = 0) {
$site = intval( $site );
if( $this->img['lebar'] <= $size and $this->img['tinggi'] <= $size ) {
$this->img['lebar_thumb'] = $this->img['lebar'];
$this->img['tinggi_thumb'] = $this->img['tinggi'];
return 0;
}
switch ($site) {
case "1" :
if( $this->img['lebar'] <= $size ) {
$this->img['lebar_thumb'] = $this->img['lebar'];
$this->img['tinggi_thumb'] = $this->img['tinggi'];
return 0;
} else {
$this->img['lebar_thumb'] = $size;
$this->img['tinggi_thumb'] = ($this->img['lebar_thumb'] / $this->img['lebar']) * $this->img['tinggi'];
}
break;
case "2" :
if( $this->img['tinggi'] <= $size ) {
$this->img['lebar_thumb'] = $this->img['lebar'];
$this->img['tinggi_thumb'] = $this->img['tinggi'];
return 0;
} else {
$this->img['tinggi_thumb'] = $size;
$this->img['lebar_thumb'] = ($this->img['tinggi_thumb'] / $this->img['tinggi']) * $this->img['lebar'];
}
break;
default :
if( $this->img['lebar'] >= $this->img['tinggi'] ) {
$this->img['lebar_thumb'] = $size;
$this->img['tinggi_thumb'] = ($this->img['lebar_thumb'] / $this->img['lebar']) * $this->img['tinggi'];
} else {
$this->img['tinggi_thumb'] = $size;
$this->img['lebar_thumb'] = ($this->img['tinggi_thumb'] / $this->img['tinggi']) * $this->img['lebar'];
}
break;
}
if ($this->img['lebar_thumb'] < 1 ) $this->img['lebar_thumb'] = 1;
if ($this->img['tinggi_thumb'] < 1 ) $this->img['tinggi_thumb'] = 1;
$this->img['des'] = imagecreatetruecolor( $this->img['lebar_thumb'], $this->img['tinggi_thumb'] );
if ( $this->img['format'] == "PNG" ) {
imagealphablending( $this->img['des'], false);
imagesavealpha( $this->img['des'], true);
}
@imagecopyresampled( $this->img['des'], $this->img['src'], 0, 0, 0, 0, $this->img['lebar_thumb'], $this->img['tinggi_thumb'], $this->img['lebar'], $this->img['tinggi'] );
$this->img['src'] = $this->img['des'];
return 1;
}
function jpeg_quality($quality = 90) {
//jpeg quality
$this->img['quality'] = $quality;
}
function save($save = "") {
if( $this->img['format'] == "JPG" || $this->img['format'] == "JPEG" ) {
//JPEG
imagejpeg( $this->img['src'], $save, $this->img['quality'] );
} elseif( $this->img['format'] == "PNG" ) {
//PNG
imagealphablending( $this->img['src'], false);
imagesavealpha( $this->img['src'], true);
imagepng( $this->img['src'], $save );
} elseif( $this->img['format'] == "GIF" ) {
//GIF
imagegif( $this->img['src'], $save );
}
imagedestroy( $this->img['src'] );
}
function show() {
if( $this->img['format'] == "JPG" || $this->img['format'] == "JPEG" ) {
//JPEG
imageJPEG( $this->img['src'], "", $this->img['quality'] );
} elseif( $this->img['format'] == "PNG" ) {
//PNG
imagePNG( $this->img['src'] );
} elseif( $this->img['format'] == "GIF" ) {
//GIF
imageGIF( $this->img['src'] );
}
imagedestroy( $this->img['src'] );
}
}
?>