758 lines
22 KiB
PHP
758 lines
22 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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/**
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* Put back gd stuff, not everybody have Imagick
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*/
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private $imagick;
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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 $types;
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/**
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* supported mimetypes and corresponding file extensions
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*/
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static function supportedTypes() {
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if(class_exists('Imagick')) {
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/**
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* Imagick::queryFormats won't help us a lot there...
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* At least, not yet, other parts of friendica uses this array
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*/
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$t = array(
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'image/jpeg' => 'jpg',
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'image/png' => 'png',
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'image/gif' => 'gif'
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);
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} else {
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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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}
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return $t;
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}
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public function __construct($data, $type=null) {
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$this->imagick = class_exists('Imagick');
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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->type = $type;
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if($this->is_imagick() && $this->load_data($data)) {
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return true;
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} else {
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// Failed to load with Imagick, fallback
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$this->imagick = false;
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}
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return $this->load_data($data);
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}
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public function __destruct() {
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if($this->image) {
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if($this->is_imagick()) {
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$this->image->clear();
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$this->image->destroy();
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return;
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}
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imagedestroy($this->image);
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}
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}
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public function is_imagick() {
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return $this->imagick;
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}
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/**
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* Maps Mime types to Imagick formats
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*/
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public function get_FormatsMap() {
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$m = array(
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'image/jpeg' => 'JPG',
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'image/png' => 'PNG',
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'image/gif' => 'GIF'
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);
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return $m;
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}
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private function load_data($data) {
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if($this->is_imagick()) {
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$this->image = new Imagick();
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try {
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$this->image->readImageBlob($data);
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}
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catch (Exception $e) {
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// Imagick couldn't use the data
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return false;
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}
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/**
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* Setup the image to the format it will be saved to
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*/
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$map = $this->get_FormatsMap();
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$format = $map[$type];
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$this->image->setFormat($format);
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// Always coalesce, if it is not a multi-frame image it won't hurt anyway
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$this->image = $this->image->coalesceImages();
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/**
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* setup the compression here, so we'll do it only once
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*/
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switch($this->getType()){
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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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$quality = PNG_QUALITY;
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/**
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* From http://www.imagemagick.org/script/command-line-options.php#quality:
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*
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* 'For the MNG and PNG image formats, the quality value sets
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* the zlib compression level (quality / 10) and filter-type (quality % 10).
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* The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
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* unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
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*/
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$quality = $quality * 10;
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$this->image->setCompressionQuality($quality);
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break;
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case "image/jpeg":
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$quality = get_config('system','jpeg_quality');
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if((! $quality) || ($quality > 100))
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$quality = JPEG_QUALITY;
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$this->image->setCompressionQuality($quality);
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}
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// The 'width' and 'height' properties are only used by non-Imagick routines.
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$this->width = $this->image->getImageWidth();
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$this->height = $this->image->getImageHeight();
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$this->valid = true;
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return true;
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}
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$this->valid = false;
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$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($this->image, true);
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return true;
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}
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return false;
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}
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public function is_valid() {
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if($this->is_imagick())
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return ($this->image !== FALSE);
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return $this->valid;
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}
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public function getWidth() {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick())
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return $this->image->getImageWidth();
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return $this->width;
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}
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public function getHeight() {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick())
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return $this->image->getImageHeight();
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return $this->height;
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}
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public function getImage() {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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/* Clean it */
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$this->image = $this->image->deconstructImages();
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return $this->image;
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}
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return $this->image;
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}
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public function getType() {
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if(!$this->is_valid())
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return FALSE;
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return $this->type;
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}
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public function getExt() {
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if(!$this->is_valid())
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return FALSE;
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return $this->types[$this->getType()];
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}
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public function scaleImage($max) {
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if(!$this->is_valid())
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return FALSE;
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$width = $this->getWidth();
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$height = $this->getHeight();
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$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 > $max) {
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// very tall image (greater than 16:9)
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// constrain the width - let the height float.
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if((($height * 9) / 16) > $width) {
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$dest_width = $max;
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$dest_height = intval(( $height * $max ) / $width);
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}
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// else constrain both dimensions
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elseif($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 > $max ) {
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// very tall image (greater than 16:9)
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// but width is OK - don't do anything
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if((($height * 9) / 16) > $width) {
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$dest_width = $width;
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$dest_height = $height;
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}
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else {
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$dest_width = intval(( $width * $max ) / $height);
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$dest_height = $max;
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}
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}
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else {
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$dest_width = $width;
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$dest_height = $height;
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}
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}
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}
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if($this->is_imagick()) {
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/**
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* If it is not animated, there will be only one iteration here,
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* so don't bother checking
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*/
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// Don't forget to go back to the first frame
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$this->image->setFirstIterator();
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do {
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// FIXME - implement horizantal bias for scaling as in followin GD functions
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// to allow very tall images to be constrained only horizontally.
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$this->image->scaleImage($dest_width, $dest_height);
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} while ($this->image->nextImage());
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// These may not be necessary any more
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$this->width = $this->image->getImageWidth();
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$this->height = $this->image->getImageHeight();
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return;
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}
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$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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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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$this->image->setFirstIterator();
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do {
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$this->image->rotateImage(new ImagickPixel(), -$degrees); // ImageMagick rotates in the opposite direction of imagerotate()
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} while ($this->image->nextImage());
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return;
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}
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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($this->image);
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}
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public function flip($horiz = true, $vert = false) {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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$this->image->setFirstIterator();
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do {
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if($horiz) $this->image->flipImage();
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if($vert) $this->image->flopImage();
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} while ($this->image->nextImage());
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return;
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}
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$w = imagesx($this->image);
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$h = imagesy($this->image);
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$flipped = imagecreate($w, $h);
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if($horiz) {
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for ($x = 0; $x < $w; $x++) {
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imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h);
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}
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}
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if($vert) {
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for ($y = 0; $y < $h; $y++) {
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imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1);
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}
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}
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$this->image = $flipped;
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}
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public function orient($filename) {
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// based off comment on http://php.net/manual/en/function.imagerotate.php
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if(!$this->is_valid())
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return FALSE;
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if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') )
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return;
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$exif = @exif_read_data($filename);
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if(! $exif)
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return;
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$ort = $exif['Orientation'];
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switch($ort)
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{
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case 1: // nothing
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break;
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case 2: // horizontal flip
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$this->flip();
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break;
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case 3: // 180 rotate left
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$this->rotate(180);
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break;
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case 4: // vertical flip
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$this->flip(false, true);
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break;
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case 5: // vertical flip + 90 rotate right
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$this->flip(false, true);
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$this->rotate(-90);
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break;
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case 6: // 90 rotate right
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$this->rotate(-90);
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break;
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case 7: // horizontal flip + 90 rotate right
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$this->flip();
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$this->rotate(-90);
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break;
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case 8: // 90 rotate left
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$this->rotate(90);
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break;
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}
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}
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public function scaleImageUp($min) {
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if(!$this->is_valid())
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return FALSE;
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$width = $this->getWidth();
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$height = $this->getHeight();
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$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 = $height;
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}
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}
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}
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if($this->is_imagick())
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return $this->scaleImage($dest_width,$dest_height);
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$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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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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$this->image->setFirstIterator();
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do {
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$this->image->scaleImage($dim, $dim);
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} while ($this->image->nextImage());
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return;
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}
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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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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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$this->image->setFirstIterator();
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do {
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$this->image->cropImage($w, $h, $x, $y);
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/**
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* We need to remove the canva,
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* or the image is not resized to the crop:
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* http://php.net/manual/en/imagick.cropimage.php#97232
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*/
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$this->image->setImagePage(0, 0, 0, 0);
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} while ($this->image->nextImage());
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return $this->scaleImage($max);
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}
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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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if(!$this->is_valid())
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return FALSE;
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$string = $this->imageString();
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file_put_contents($path, $string);
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}
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public function imageString() {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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/* Clean it */
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$this->image = $this->image->deconstructImages();
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$string = $this->image->getImagesBlob();
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return $string;
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}
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$quality = FALSE;
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ob_start();
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// Enable interlacing
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imageinterlace($this->image, true);
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switch($this->getType()){
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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, $quality);
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break;
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case "image/jpeg":
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$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,$quality);
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}
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$string = ob_get_contents();
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ob_end_clean();
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return $string;
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}
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public function store($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))
|
|
$guid = $r[0]['guid'];
|
|
else
|
|
$guid = get_guid();
|
|
|
|
$x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1",
|
|
dbesc($rid),
|
|
intval($uid),
|
|
intval($cid),
|
|
intval($scale)
|
|
);
|
|
if(count($x)) {
|
|
$r = q("UPDATE `photo`
|
|
set `uid` = %d,
|
|
`contact-id` = %d,
|
|
`guid` = '%s',
|
|
`resource-id` = '%s',
|
|
`created` = '%s',
|
|
`edited` = '%s',
|
|
`filename` = '%s',
|
|
`type` = '%s',
|
|
`album` = '%s',
|
|
`height` = %d,
|
|
`width` = %d,
|
|
`datasize` = %d,
|
|
`data` = '%s',
|
|
`scale` = %d,
|
|
`profile` = %d,
|
|
`allow_cid` = '%s',
|
|
`allow_gid` = '%s',
|
|
`deny_cid` = '%s',
|
|
`deny_gid` = '%s'
|
|
where id = %d limit 1",
|
|
|
|
intval($uid),
|
|
intval($cid),
|
|
dbesc($guid),
|
|
dbesc($rid),
|
|
dbesc(datetime_convert()),
|
|
dbesc(datetime_convert()),
|
|
dbesc(basename($filename)),
|
|
dbesc($this->getType()),
|
|
dbesc($album),
|
|
intval($this->getHeight()),
|
|
intval($this->getWidth()),
|
|
dbesc(strlen($this->imageString())),
|
|
dbesc($this->imageString()),
|
|
intval($scale),
|
|
intval($profile),
|
|
dbesc($allow_cid),
|
|
dbesc($allow_gid),
|
|
dbesc($deny_cid),
|
|
dbesc($deny_gid),
|
|
intval($x[0]['id'])
|
|
);
|
|
}
|
|
else {
|
|
$r = q("INSERT INTO `photo`
|
|
( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `datasize`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
|
|
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
|
|
intval($uid),
|
|
intval($cid),
|
|
dbesc($guid),
|
|
dbesc($rid),
|
|
dbesc(datetime_convert()),
|
|
dbesc(datetime_convert()),
|
|
dbesc(basename($filename)),
|
|
dbesc($this->getType()),
|
|
dbesc($album),
|
|
intval($this->getHeight()),
|
|
intval($this->getWidth()),
|
|
dbesc(strlen($this->imageString())),
|
|
dbesc($this->imageString()),
|
|
intval($scale),
|
|
intval($profile),
|
|
dbesc($allow_cid),
|
|
dbesc($allow_gid),
|
|
dbesc($deny_cid),
|
|
dbesc($deny_gid)
|
|
);
|
|
}
|
|
return $r;
|
|
}
|
|
}}
|
|
|
|
|
|
/**
|
|
* Guess image mimetype from filename or from Content-Type header
|
|
*
|
|
* @arg $filename string Image filename
|
|
* @arg $fromcurl boolean Check Content-Type header from curl request
|
|
*/
|
|
function guess_image_type($filename, $fromcurl=false) {
|
|
logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
|
|
$type = null;
|
|
if ($fromcurl) {
|
|
$a = get_app();
|
|
$headers=array();
|
|
$h = explode("\n",$a->get_curl_headers());
|
|
foreach ($h as $l) {
|
|
list($k,$v) = array_map("trim", explode(":", trim($l), 2));
|
|
$headers[$k] = $v;
|
|
}
|
|
if (array_key_exists('Content-Type', $headers))
|
|
$type = $headers['Content-Type'];
|
|
}
|
|
if (is_null($type)){
|
|
// Guessing from extension? Isn't that... dangerous?
|
|
if(class_exists('Imagick') && file_exists($filename) && is_readable($filename)) {
|
|
/**
|
|
* Well, this not much better,
|
|
* but at least it comes from the data inside the image,
|
|
* we won't be tricked by a manipulated extension
|
|
*/
|
|
$image = new Imagick($filename);
|
|
$type = $image->getImageMimeType();
|
|
$image->setInterlaceScheme(Imagick::INTERLACE_PLANE);
|
|
} else {
|
|
$ext = pathinfo($filename, PATHINFO_EXTENSION);
|
|
$types = Photo::supportedTypes();
|
|
$type = "image/jpeg";
|
|
foreach ($types as $m=>$e){
|
|
if ($ext==$e) $type = $m;
|
|
}
|
|
}
|
|
}
|
|
logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG);
|
|
return $type;
|
|
|
|
}
|
|
|
|
function import_profile_photo($photo,$uid,$cid) {
|
|
|
|
$a = get_app();
|
|
|
|
$r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1",
|
|
intval($uid),
|
|
intval($cid)
|
|
);
|
|
if(count($r) && strlen($r[0]['resource-id'])) {
|
|
$hash = $r[0]['resource-id'];
|
|
}
|
|
else {
|
|
$hash = photo_new_resource();
|
|
}
|
|
|
|
$photo_failure = false;
|
|
|
|
$filename = basename($photo);
|
|
$img_str = fetch_url($photo,true);
|
|
|
|
$type = guess_image_type($photo,true);
|
|
$img = new Photo($img_str, $type);
|
|
if($img->is_valid()) {
|
|
|
|
$img->scaleImageSquare(175);
|
|
|
|
$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
|
|
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$img->scaleImage(80);
|
|
|
|
$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
|
|
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$img->scaleImage(48);
|
|
|
|
$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
|
|
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt();
|
|
$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt();
|
|
$micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt();
|
|
}
|
|
else
|
|
$photo_failure = true;
|
|
|
|
if($photo_failure) {
|
|
$photo = $a->get_baseurl() . '/images/person-175.jpg';
|
|
$thumb = $a->get_baseurl() . '/images/person-80.jpg';
|
|
$micro = $a->get_baseurl() . '/images/person-48.jpg';
|
|
}
|
|
|
|
return(array($photo,$thumb,$micro));
|
|
|
|
}
|