84 lines
2.4 KiB
PHP
Executable File
84 lines
2.4 KiB
PHP
Executable File
<?
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class SimpleImage {
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var $image;
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var $image_type;
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function load($filename) {
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$image_info = getimagesize($filename);
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$this->image_type = $image_info[2];
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if( $this->image_type == IMAGETYPE_JPEG ) {
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$this->image = imagecreatefromjpeg($filename);
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} elseif( $this->image_type == IMAGETYPE_GIF ) {
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$this->image = imagecreatefromgif($filename);
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} elseif( $this->image_type == IMAGETYPE_PNG ) {
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$this->image = imagecreatefrompng($filename);
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}
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}
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function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
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if( $image_type == IMAGETYPE_JPEG ) {
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imagejpeg($this->image,$filename,$compression);
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} elseif( $image_type == IMAGETYPE_GIF ) {
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imagegif($this->image,$filename);
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} elseif( $image_type == IMAGETYPE_PNG ) {
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imagepng($this->image,$filename);
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}
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if( $permissions != null) {
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chmod($filename,$permissions);
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}
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}
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function output($image_type=IMAGETYPE_JPEG) {
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if( $image_type == IMAGETYPE_JPEG ) {
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imagejpeg($this->image);
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} elseif( $image_type == IMAGETYPE_GIF ) {
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imagegif($this->image);
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} elseif( $image_type == IMAGETYPE_PNG ) {
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imagepng($this->image);
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}
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}
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function getWidth() {
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return imagesx($this->image);
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}
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function getHeight() {
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return imagesy($this->image);
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}
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function resizeToHeight($height) {
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$ratio = $height / $this->getHeight();
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$width = $this->getWidth() * $ratio;
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$this->resize($width,$height);
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}
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function resizeToWidth($width) {
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$ratio = $width / $this->getWidth();
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$height = $this->getheight() * $ratio;
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$this->resize($width,$height);
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}
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function scale($scale) {
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$width = $this->getWidth() * $scale/100;
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$height = $this->getheight() * $scale/100;
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$this->resize($width,$height);
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}
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function resize($width,$height) {
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$new_image = imagecreatetruecolor($width, $height);
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imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
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$this->image = $new_image;
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}
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}
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function getSize($img,$width)
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{
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if(is_file($img))
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{
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$im=@GetImageSize($img);
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if($im[0]>=$width)
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{
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$wi=180;
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$he=$im[1]*$wi/$im[0];
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}
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else
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{
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$wi=$im[0];
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$he=$im[1];
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}
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}
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return array($wi,$he);
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}
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?>
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