381 lines
9.2 KiB
PHP
381 lines
9.2 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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private $valid;
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private $type;
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private $types;
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/**
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* supported mimetypes and corresponding file extensions
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*/
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static function supportedTypes() {
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$t = array();
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$t['image/jpeg'] ='jpg';
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if (imagetypes() & IMG_PNG) $t['image/png'] = 'png';
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return $t;
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}
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public function __construct($data, $type="image/jpeg") {
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$this->types = $this->supportedTypes();
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if (!array_key_exists($type,$this->types)){
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$type='image/jpeg';
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}
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$this->valid = false;
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$this->type = $type;
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$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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$this->valid = true;
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imagealphablending($this->image, false);
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imagesavealpha($this->image, true);
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}
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}
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public function __destruct() {
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if($this->image)
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imagedestroy($this->image);
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}
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public function is_valid() {
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return $this->valid;
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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 getType() {
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return $this->type;
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}
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public function getExt() {
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return $this->types[$this->type];
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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, $dest_height );
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imagealphablending($dest, false);
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imagesavealpha($dest, true);
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if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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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($this->image);
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}
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public function rotate($degrees) {
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$this->image = imagerotate($this->image,$degrees,0);
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$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, $dest_height );
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imagealphablending($dest, false);
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imagesavealpha($dest, true);
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if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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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, $dim );
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imagealphablending($dest, false);
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imagesavealpha($dest, true);
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if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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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, $max );
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imagealphablending($dest, false);
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imagesavealpha($dest, true);
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if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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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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switch($this->type){
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case "image/png":
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$quality = get_config('system','png_quality');
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if((! $quality) || ($quality > 9))
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$quality = PNG_QUALITY;
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imagepng($this->image, $path, $quality);
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break;
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default:
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$quality = get_config('system','jpeg_quality');
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if((! $quality) || ($quality > 100))
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$quality = JPEG_QUALITY;
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imagejpeg($this->image,$path,$quality);
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}
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}
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public function imageString() {
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ob_start();
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switch($this->type){
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case "image/png":
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$quality = get_config('system','png_quality');
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if((! $quality) || ($quality > 9))
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$quality = PNG_QUALITY;
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imagepng($this->image,NULL, $quality);
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break;
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default:
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$quality = get_config('system','jpeg_quality');
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if((! $quality) || ($quality > 100))
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$quality = JPEG_QUALITY;
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imagejpeg($this->image,NULL,$quality);
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}
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$s = ob_get_contents();
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ob_end_clean();
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return $s;
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}
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public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') {
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$r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1",
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dbesc($rid)
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);
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if(count($r))
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$guid = $r[0]['guid'];
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else
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$guid = get_guid();
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$r = q("INSERT INTO `photo`
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( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
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intval($uid),
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intval($cid),
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dbesc($guid),
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dbesc($rid),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc(basename($filename)),
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dbesc($this->type),
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dbesc($album),
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intval($this->height),
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intval($this->width),
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dbesc($this->imageString()),
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intval($scale),
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intval($profile),
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dbesc($allow_cid),
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dbesc($allow_gid),
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dbesc($deny_cid),
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dbesc($deny_gid)
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);
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return $r;
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}
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}}
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/**
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* Guess image mimetype from filename or from Content-Type header
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*
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* @arg $filename string Image filename
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* @arg $fromcurl boolean Check Content-Type header from curl request
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*/
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function guess_image_type($filename, $fromcurl=false) {
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logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
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$type = null;
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if ($fromcurl) {
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$a = get_app();
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$headers=array();
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$h = explode("\n",$a->get_curl_headers());
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foreach ($h as $l) {
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list($k,$v) = array_map("trim", explode(":", trim($l), 2));
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$headers[$k] = $v;
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}
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if (array_key_exists('Content-Type', $headers))
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$type = $headers['Content-Type'];
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}
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if (is_null($type)){
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$ext = pathinfo($filename, PATHINFO_EXTENSION);
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$types = Photo::supportedTypes();
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$type = "image/jpeg";
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foreach ($types as $m=>$e){
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if ($ext==$e) $type = $m;
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}
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}
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logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG);
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return $type;
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}
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function import_profile_photo($photo,$uid,$cid) {
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$a = get_app();
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$photo_failure = false;
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$filename = basename($photo);
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$img_str = fetch_url($photo,true);
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// guess mimetype from headers or filename
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$type = guess_image_type($photo,true);
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$img = new Photo($img_str, $type);
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if($img->is_valid()) {
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$img->scaleImageSquare(175);
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$hash = photo_new_resource();
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$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
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if($r === false)
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$photo_failure = true;
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$img->scaleImage(80);
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$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
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if($r === false)
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$photo_failure = true;
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$img->scaleImage(48);
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$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
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if($r === false)
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$photo_failure = true;
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$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt();
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$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt();
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$micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt();
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}
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else
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$photo_failure = true;
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if($photo_failure) {
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$photo = $a->get_baseurl() . '/images/person-175.jpg';
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$thumb = $a->get_baseurl() . '/images/person-80.jpg';
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$micro = $a->get_baseurl() . '/images/person-48.jpg';
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}
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return(array($photo,$thumb,$micro));
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}
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