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- <?php
- class SimpleImage {
- var $image;
- var $image_type;
- function load($filename) {
- $image_info = getimagesize($filename);
- $this->image_type = $image_info[2];
- if( $this->image_type == IMAGETYPE_JPEG ) {
- $this->image = imagecreatefromjpeg($filename);
- } elseif( $this->image_type == IMAGETYPE_GIF ) {
- $this->image = imagecreatefromgif($filename);
- } elseif( $this->image_type == IMAGETYPE_PNG ) {
- $this->image = imagecreatefrompng($filename);
- }
- }
- function save($filename, $image_type=IMAGETYPE_JPEG, $compression=100, $permissions=null) {
- if( $image_type == IMAGETYPE_JPEG ) {
- imagejpeg($this->image,$filename,$compression);
- } elseif( $image_type == IMAGETYPE_GIF ) {
- imagegif($this->image,$filename);
- } elseif( $image_type == IMAGETYPE_PNG ) {
- imagepng($this->image,$filename);
- }
- if( $permissions != null) {
- chmod($filename,$permissions);
- }
- }
- function output($image_type=IMAGETYPE_JPEG) {
- if( $image_type == IMAGETYPE_JPEG ) {
- imagejpeg($this->image);
- } elseif( $image_type == IMAGETYPE_GIF ) {
- imagegif($this->image);
- } elseif( $image_type == IMAGETYPE_PNG ) {
- imagepng($this->image);
- }
- }
- function getWidth() {
- return imagesx($this->image);
- }
- function getHeight() {
- return imagesy($this->image);
- }
- function resizeToHeight($height) {
- $ratio = $height / $this->getHeight();
- $width = $this->getWidth() * $ratio;
- $this->resize($width,$height);
- }
- function resizeToWidth($width) {
- $ratio = $width / $this->getWidth();
- $height = $this->getHeight() * $ratio;
- $this->resize($width,$height);
- }
- function scale($scale) {
- $width = $this->getWidth() * $scale/100;
- $height = $this->getheight() * $scale/100;
- $this->resize($width,$height);
- }
- function resize($width,$height) {
- $new_image = imagecreatetruecolor($width, $height);
- $bg = imagecolorallocate($new_image,255,255,255);
- imagefill($new_image,0,0,$bg);
- imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
- $this->image = $new_image;
- }
- function crop($filename,$width,$height)
- {
- list($w, $h, $type, $attr) = getimagesize($filename);
- if( $this->image_type == IMAGETYPE_JPEG ) {
- $src_im = imagecreatefromjpeg($filename);
- } elseif( $this->image_type == IMAGETYPE_GIF ) {
- $src_im = imagecreatefromgif($filename);
- } elseif( $this->image_type == IMAGETYPE_PNG ) {
- $src_im = imagecreatefrompng($filename);
- }
- $src_x = '0'; // begin x
- $src_y = '0'; // begin y
- $src_w = $width; // width
- $src_h = $height; // height
- $dst_x = '0'; // destination x
- $dst_y = '0'; // destination y
- $new_image = imagecreatetruecolor($src_w, $src_h);
- $white = imagecolorallocate($new_image, 255, 255, 255);
- imagefill($new_image, 0, 0, $white);
- imagecopy($new_image, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h);
- $this->image = $new_image;
- }
- }
- $filename= "test.png";
- $thumb = new SimpleImage();
- $thumb->load($filename);
- $thumb->resizeToWidth(120);
- $thumb->crop($filename, 120, 120);
- $thumb->save("test".$filename);
- ?>
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