172 lines
3.5 KiB
PHP
172 lines
3.5 KiB
PHP
<?php
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if(! class_exists("Photo")) {
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class Photo {
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private $image;
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private $width;
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private $height;
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public function __construct($data) {
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$this->image = @imagecreatefromstring($data);
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if($this->image !== FALSE) {
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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}
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public function __destruct() {
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if($this->image)
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imagedestroy($this->image);
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}
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public function getWidth() {
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return $this->width;
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}
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public function getHeight() {
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return $this->height;
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}
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public function getImage() {
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return $this->image;
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}
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public function scaleImage($max) {
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$width = $this->width;
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$height = $this->height;
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$dest_width = $dest_height = 0;
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if((! $width)|| (! $height))
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return FALSE;
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if($width > $max && $height > $max) {
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if($width > $height) {
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$dest_width = $max;
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$dest_height = intval(( $height * $max ) / $width);
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}
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else {
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$dest_width = intval(( $width * $max ) / $height);
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$dest_height = $max;
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}
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}
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else {
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if( $width > $max ) {
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$dest_width = $max;
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$dest_height = intval(( $height * $max ) / $width);
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}
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else {
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if( $height > $max ) {
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$dest_width = intval(( $width * $max ) / $height);
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$dest_height = $max;
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}
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else {
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$dest_width = $width;
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$dest_height = $height;
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}
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}
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}
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$dest = imagecreatetruecolor( $dest_width, $dest_height );
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imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
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if($this->image)
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imagedestroy($this->image);
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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public function scaleImageUp($min) {
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$width = $this->width;
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$height = $this->height;
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$dest_width = $dest_height = 0;
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if((! $width)|| (! $height))
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return FALSE;
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if($width < $min && $height < $min) {
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if($width > $height) {
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$dest_width = $min;
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$dest_height = intval(( $height * $min ) / $width);
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}
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else {
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$dest_width = intval(( $width * $min ) / $height);
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$dest_height = $min;
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}
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}
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else {
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if( $width < $min ) {
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$dest_width = $min;
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$dest_height = intval(( $height * $min ) / $width);
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}
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else {
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if( $height < $min ) {
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$dest_width = intval(( $width * $min ) / $height);
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$dest_height = $min;
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}
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else {
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$dest_width = $width;
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$dest_height = $height;
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}
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}
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}
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$dest = imagecreatetruecolor( $dest_width, $dest_height );
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imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
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if($this->image)
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imagedestroy($this->image);
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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public function scaleImageSquare($dim) {
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$dest = imagecreatetruecolor( $dim, $dim );
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imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
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if($this->image)
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imagedestroy($this->image);
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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public function cropImage($max,$x,$y,$w,$h) {
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$dest = imagecreatetruecolor( $max, $max );
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imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
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if($this->image)
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imagedestroy($this->image);
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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public function saveImage($path) {
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imagejpeg($this->image,$path,100);
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}
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public function imageString() {
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ob_start();
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imagejpeg($this->image,NULL,100);
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$s = ob_get_contents();
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ob_end_clean();
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return $s;
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}
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}}
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