1068 lines
26 KiB
PHP
1068 lines
26 KiB
PHP
<?php
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/**
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* @file include/Photo.php
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* @brief This file contains the Photo class for image processing
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*/
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use Friendica\App;
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use Friendica\Core\Config;
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use Friendica\Core\System;
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require_once("include/photos.php");
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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 $types;
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/**
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* @brief supported mimetypes and corresponding file extensions
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*/
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public static function supportedTypes() {
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if (class_exists('Imagick')) {
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// Imagick::queryFormats won't help us a lot there...
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// At least, not yet, other parts of friendica uses this array
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$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) {
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$t['image/png'] = 'png';
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}
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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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$this->types = static::supportedTypes();
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if (!array_key_exists($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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if (is_resource($this->image)) {
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imagedestroy($this->image);
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}
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}
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}
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public function is_imagick() {
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return $this->imagick;
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}
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/**
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* @brief Maps Mime types to Imagick formats
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* @return arr With with image formats (mime type as key)
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*/
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public function get_FormatsMap() {
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$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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} 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 = Config::get('system', 'png_quality');
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if ((! $quality) || ($quality > 9)) {
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$quality = PNG_QUALITY;
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}
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/*
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* From http://www.imagemagick.org/script/command-line-options.php#quality:
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*
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* 'For the MNG and PNG image formats, the quality value sets
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* the zlib compression level (quality / 10) and filter-type (quality % 10).
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* The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
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* unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
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*/
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$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 = Config::get('system', 'jpeg_quality');
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if ((! $quality) || ($quality > 100)) {
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$quality = JPEG_QUALITY;
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}
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$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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}
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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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}
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if ($this->is_imagick()) {
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return $this->image->getImageWidth();
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}
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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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}
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if ($this->is_imagick()) {
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return $this->image->getImageHeight();
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}
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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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}
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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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}
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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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}
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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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}
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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)|| (! $height)) {
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return false;
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}
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if ($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) / $width);
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} elseif ($width > $height) {
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// else constrain both dimensions
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$dest_width = $max;
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$dest_height = intval(($height * $max) / $width);
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} else {
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$dest_width = intval(($width * $max) / $height);
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$dest_height = $max;
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}
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} else {
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if ($width > $max) {
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$dest_width = $max;
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$dest_height = intval(($height * $max) / $width);
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} else {
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if ($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 = $height;
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} else {
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$dest_width = intval(($width * $max) / $height);
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$dest_height = $max;
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}
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} else {
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$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') {
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imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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}
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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($this->image);
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}
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$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 (!$this->is_valid()) {
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return false;
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}
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if ($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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// if script dies at this point check memory_limit setting in php.ini
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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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}
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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 ($horiz) {
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$this->image->flipImage();
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}
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if ($vert) {
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$this->image->flopImage();
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}
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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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if ($this->is_imagick()) {
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// based off comment on http://php.net/manual/en/imagick.getimageorientation.php
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$orientation = $this->image->getImageOrientation();
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switch ($orientation) {
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case imagick::ORIENTATION_BOTTOMRIGHT:
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$this->image->rotateimage("#000", 180);
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break;
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case imagick::ORIENTATION_RIGHTTOP:
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$this->image->rotateimage("#000", 90);
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break;
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case imagick::ORIENTATION_LEFTBOTTOM:
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$this->image->rotateimage("#000", -90);
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break;
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}
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$this->image->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
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return true;
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}
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// based off comment on http://php.net/manual/en/function.imagerotate.php
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if (!$this->is_valid()) {
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return false;
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}
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if ((!function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg')) {
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return;
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}
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$exif = @exif_read_data($filename,null,true);
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if (!$exif) {
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return;
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}
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$ort = $exif['IFD0']['Orientation'];
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switch($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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$this->rotate(90);
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break;
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}
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// logger('exif: ' . print_r($exif,true));
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return $exif;
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}
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public function scaleImageUp($min) {
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if (!$this->is_valid()) {
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return false;
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}
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$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)|| (!$height)) {
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return false;
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}
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if ($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) / $width);
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} else {
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$dest_width = intval(($width * $min) / $height);
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$dest_height = $min;
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}
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} else {
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if ($width < $min) {
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$dest_width = $min;
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$dest_height = intval(($height * $min) / $width);
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} else {
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if ($height < $min) {
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$dest_width = intval(($width * $min) / $height);
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$dest_height = $min;
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} else {
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$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, $dest_height);
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}
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$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') {
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imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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}
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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($this->image);
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}
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
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|
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|
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public function scaleImageSquare($dim) {
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if (!$this->is_valid()) {
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return false;
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}
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|
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if ($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') {
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imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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}
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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($this->image);
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}
|
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$this->image = $dest;
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$this->width = imagesx($this->image);
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$this->height = imagesy($this->image);
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}
|
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|
|
|
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public function cropImage($max, $x, $y, $w, $h) {
|
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if (!$this->is_valid()) {
|
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return false;
|
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}
|
|
|
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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);
|
|
/*
|
|
* We need to remove the canva,
|
|
* or the image is not resized to the crop:
|
|
* http://php.net/manual/en/imagick.cropimage.php#97232
|
|
*/
|
|
$this->image->setImagePage(0, 0, 0, 0);
|
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} while ($this->image->nextImage());
|
|
return $this->scaleImage($max);
|
|
}
|
|
|
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$dest = imagecreatetruecolor($max, $max);
|
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imagealphablending($dest, false);
|
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imagesavealpha($dest, true);
|
|
if ($this->type=='image/png') {
|
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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, $h);
|
|
if ($this->image) {
|
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imagedestroy($this->image);
|
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}
|
|
$this->image = $dest;
|
|
$this->width = imagesx($this->image);
|
|
$this->height = imagesy($this->image);
|
|
}
|
|
|
|
public function saveImage($path) {
|
|
if (!$this->is_valid()) {
|
|
return false;
|
|
}
|
|
|
|
$string = $this->imageString();
|
|
|
|
$a = get_app();
|
|
|
|
$stamp1 = microtime(true);
|
|
file_put_contents($path, $string);
|
|
$a->save_timestamp($stamp1, "file");
|
|
}
|
|
|
|
public function imageString() {
|
|
if (!$this->is_valid()) {
|
|
return false;
|
|
}
|
|
|
|
if ($this->is_imagick()) {
|
|
/* Clean it */
|
|
$this->image = $this->image->deconstructImages();
|
|
$string = $this->image->getImagesBlob();
|
|
return $string;
|
|
}
|
|
|
|
$quality = false;
|
|
|
|
ob_start();
|
|
|
|
// Enable interlacing
|
|
imageinterlace($this->image, true);
|
|
|
|
switch($this->getType()){
|
|
case "image/png":
|
|
$quality = Config::get('system', 'png_quality');
|
|
if ((!$quality) || ($quality > 9)) {
|
|
$quality = PNG_QUALITY;
|
|
}
|
|
imagepng($this->image, null, $quality);
|
|
break;
|
|
case "image/jpeg":
|
|
$quality = Config::get('system', 'jpeg_quality');
|
|
if ((!$quality) || ($quality > 100)) {
|
|
$quality = JPEG_QUALITY;
|
|
}
|
|
imagejpeg($this->image, null, $quality);
|
|
}
|
|
$string = ob_get_contents();
|
|
ob_end_clean();
|
|
|
|
return $string;
|
|
}
|
|
|
|
|
|
|
|
public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '', $desc = '') {
|
|
|
|
$r = dba::select('photo', array('guid'), array("`resource-id` = ? AND `guid` != ?", $rid, ''), array('limit' => 1));
|
|
if (dbm::is_result($r)) {
|
|
$guid = $r['guid'];
|
|
} else {
|
|
$guid = get_guid();
|
|
}
|
|
|
|
$x = dba::select('photo', array('id'), array('resource-id' => $rid, 'uid' => $uid, 'contact-id' => $cid, 'scale' => $scale), array('limit' => 1));
|
|
|
|
$fields = array('uid' => $uid, 'contact-id' => $cid, 'guid' => $guid, 'resource-id' => $rid, 'created' => datetime_convert(), 'edited' => datetime_convert(),
|
|
'filename' => basename($filename), 'type' => $this->getType(), 'album' => $album, 'height' => $this->getHeight(), 'width' => $this->getWidth(),
|
|
'datasize' => strlen($this->imageString()), 'data' => $this->imageString(), 'scale' => $scale, 'profile' => $profile,
|
|
'allow_cid' => $allow_cid, 'allow_gid' => $allow_gid, 'deny_cid' => $deny_cid, 'deny_gid' => $deny_gid, 'desc' => $desc);
|
|
|
|
if (dbm::is_result($x)) {
|
|
$r = dba::update('photo', $fields, array('id' => $x['id']));
|
|
} else {
|
|
$r = dba::insert('photo', $fields);
|
|
}
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief Updates the avatar links in a contact only if needed
|
|
*
|
|
* @param string $avatar Link to avatar picture
|
|
* @param int $uid User id of contact owner
|
|
* @param int $cid Contact id
|
|
* @param bool $force force picture update
|
|
*
|
|
* @return array Returns array of the different avatar sizes
|
|
*/
|
|
function update_contact_avatar($avatar, $uid, $cid, $force = false) {
|
|
$r = q("SELECT `avatar`, `photo`, `thumb`, `micro`, `nurl` FROM `contact` WHERE `id` = %d LIMIT 1", intval($cid));
|
|
if (!dbm::is_result($r)) {
|
|
return false;
|
|
} else {
|
|
$data = array($r[0]["photo"], $r[0]["thumb"], $r[0]["micro"]);
|
|
}
|
|
|
|
if (($r[0]["avatar"] != $avatar) || $force) {
|
|
$photos = import_profile_photo($avatar, $uid, $cid, true);
|
|
|
|
if ($photos) {
|
|
q("UPDATE `contact` SET `avatar` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' WHERE `id` = %d",
|
|
dbesc($avatar), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]),
|
|
dbesc(datetime_convert()), intval($cid));
|
|
|
|
// Update the public contact (contact id = 0)
|
|
if ($uid != 0) {
|
|
$pcontact = dba::select('contact', array('id'), array('nurl' => $r[0]['nurl']), array('limit' => 1));
|
|
if (dbm::is_result($pcontact)) {
|
|
update_contact_avatar($avatar, 0, $pcontact['id'], $force);
|
|
}
|
|
}
|
|
|
|
return $photos;
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
function import_profile_photo($photo, $uid, $cid, $quit_on_error = false) {
|
|
|
|
$r = q("SELECT `resource-id` FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `scale` = 4 AND `album` = 'Contact Photos' LIMIT 1",
|
|
intval($uid),
|
|
intval($cid)
|
|
);
|
|
if (dbm::is_result($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);
|
|
|
|
if ($quit_on_error && ($img_str == "")) {
|
|
return false;
|
|
}
|
|
|
|
$type = guess_image_type($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;
|
|
}
|
|
|
|
$suffix = '?ts='.time();
|
|
|
|
$photo = System::baseUrl() . '/photo/' . $hash . '-4.' . $img->getExt() . $suffix;
|
|
$thumb = System::baseUrl() . '/photo/' . $hash . '-5.' . $img->getExt() . $suffix;
|
|
$micro = System::baseUrl() . '/photo/' . $hash . '-6.' . $img->getExt() . $suffix;
|
|
|
|
// Remove the cached photo
|
|
$a = get_app();
|
|
$basepath = $a->get_basepath();
|
|
|
|
if (is_dir($basepath."/photo")) {
|
|
$filename = $basepath.'/photo/'.$hash.'-4.'.$img->getExt();
|
|
if (file_exists($filename)) {
|
|
unlink($filename);
|
|
}
|
|
$filename = $basepath.'/photo/'.$hash.'-5.'.$img->getExt();
|
|
if (file_exists($filename)) {
|
|
unlink($filename);
|
|
}
|
|
$filename = $basepath.'/photo/'.$hash.'-6.'.$img->getExt();
|
|
if (file_exists($filename)) {
|
|
unlink($filename);
|
|
}
|
|
}
|
|
} else {
|
|
$photo_failure = true;
|
|
}
|
|
|
|
if ($photo_failure && $quit_on_error) {
|
|
return false;
|
|
}
|
|
|
|
if ($photo_failure) {
|
|
$photo = System::baseUrl() . '/images/person-175.jpg';
|
|
$thumb = System::baseUrl() . '/images/person-80.jpg';
|
|
$micro = System::baseUrl() . '/images/person-48.jpg';
|
|
}
|
|
|
|
return(array($photo,$thumb,$micro));
|
|
|
|
}
|
|
|
|
function get_photo_info($url) {
|
|
$data = array();
|
|
|
|
$data = Cache::get($url);
|
|
|
|
if (is_null($data) || !$data || !is_array($data)) {
|
|
$img_str = fetch_url($url, true, $redirects, 4);
|
|
$filesize = strlen($img_str);
|
|
|
|
if (function_exists("getimagesizefromstring")) {
|
|
$data = getimagesizefromstring($img_str);
|
|
} else {
|
|
$tempfile = tempnam(get_temppath(), "cache");
|
|
|
|
$a = get_app();
|
|
$stamp1 = microtime(true);
|
|
file_put_contents($tempfile, $img_str);
|
|
$a->save_timestamp($stamp1, "file");
|
|
|
|
$data = getimagesize($tempfile);
|
|
unlink($tempfile);
|
|
}
|
|
|
|
if ($data) {
|
|
$data["size"] = $filesize;
|
|
}
|
|
|
|
Cache::set($url, $data);
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
function scale_image($width, $height, $max) {
|
|
|
|
$dest_width = $dest_height = 0;
|
|
|
|
if ((!$width) || (!$height)) {
|
|
return false;
|
|
}
|
|
|
|
if ($width > $max && $height > $max) {
|
|
|
|
// very tall image (greater than 16:9)
|
|
// constrain the width - let the height float.
|
|
|
|
if ((($height * 9) / 16) > $width) {
|
|
$dest_width = $max;
|
|
$dest_height = intval(($height * $max) / $width);
|
|
} elseif ($width > $height) {
|
|
// else constrain both dimensions
|
|
$dest_width = $max;
|
|
$dest_height = intval(($height * $max) / $width);
|
|
} else {
|
|
$dest_width = intval(($width * $max) / $height);
|
|
$dest_height = $max;
|
|
}
|
|
} else {
|
|
if ($width > $max) {
|
|
$dest_width = $max;
|
|
$dest_height = intval(($height * $max) / $width);
|
|
} else {
|
|
if ($height > $max) {
|
|
|
|
// very tall image (greater than 16:9)
|
|
// but width is OK - don't do anything
|
|
|
|
if ((($height * 9) / 16) > $width) {
|
|
$dest_width = $width;
|
|
$dest_height = $height;
|
|
} else {
|
|
$dest_width = intval(($width * $max) / $height);
|
|
$dest_height = $max;
|
|
}
|
|
} else {
|
|
$dest_width = $width;
|
|
$dest_height = $height;
|
|
}
|
|
}
|
|
}
|
|
return array("width" => $dest_width, "height" => $dest_height);
|
|
}
|
|
|
|
function store_photo(App $a, $uid, $imagedata = "", $url = "") {
|
|
$r = q("SELECT `user`.`nickname`, `user`.`page-flags`, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
|
|
WHERE `user`.`uid` = %d AND `user`.`blocked` = 0 AND `contact`.`self` = 1 LIMIT 1",
|
|
intval($uid));
|
|
|
|
if (!dbm::is_result($r)) {
|
|
logger("Can't detect user data for uid ".$uid, LOGGER_DEBUG);
|
|
return(array());
|
|
}
|
|
|
|
$page_owner_nick = $r[0]['nickname'];
|
|
|
|
/// @TODO
|
|
/// $default_cid = $r[0]['id'];
|
|
/// $community_page = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
|
|
|
|
if ((strlen($imagedata) == 0) && ($url == "")) {
|
|
logger("No image data and no url provided", LOGGER_DEBUG);
|
|
return(array());
|
|
} elseif (strlen($imagedata) == 0) {
|
|
logger("Uploading picture from ".$url, LOGGER_DEBUG);
|
|
|
|
$stamp1 = microtime(true);
|
|
$imagedata = @file_get_contents($url);
|
|
$a->save_timestamp($stamp1, "file");
|
|
}
|
|
|
|
$maximagesize = Config::get('system', 'maximagesize');
|
|
|
|
if (($maximagesize) && (strlen($imagedata) > $maximagesize)) {
|
|
logger("Image exceeds size limit of ".$maximagesize, LOGGER_DEBUG);
|
|
return(array());
|
|
}
|
|
|
|
$tempfile = tempnam(get_temppath(), "cache");
|
|
|
|
$stamp1 = microtime(true);
|
|
file_put_contents($tempfile, $imagedata);
|
|
$a->save_timestamp($stamp1, "file");
|
|
|
|
$data = getimagesize($tempfile);
|
|
|
|
if (!isset($data["mime"])) {
|
|
unlink($tempfile);
|
|
logger("File is no picture", LOGGER_DEBUG);
|
|
return(array());
|
|
}
|
|
|
|
$ph = new Photo($imagedata, $data["mime"]);
|
|
|
|
if (!$ph->is_valid()) {
|
|
unlink($tempfile);
|
|
logger("Picture is no valid picture", LOGGER_DEBUG);
|
|
return(array());
|
|
}
|
|
|
|
$ph->orient($tempfile);
|
|
unlink($tempfile);
|
|
|
|
$max_length = Config::get('system', 'max_image_length');
|
|
if (! $max_length) {
|
|
$max_length = MAX_IMAGE_LENGTH;
|
|
}
|
|
if ($max_length > 0) {
|
|
$ph->scaleImage($max_length);
|
|
}
|
|
|
|
$width = $ph->getWidth();
|
|
$height = $ph->getHeight();
|
|
|
|
$hash = photo_new_resource();
|
|
|
|
$smallest = 0;
|
|
|
|
// Pictures are always public by now
|
|
//$defperm = '<'.$default_cid.'>';
|
|
$defperm = "";
|
|
$visitor = 0;
|
|
|
|
$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
|
|
|
|
if (!$r) {
|
|
logger("Picture couldn't be stored", LOGGER_DEBUG);
|
|
return(array());
|
|
}
|
|
|
|
$image = array("page" => System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash,
|
|
"full" => System::baseUrl()."/photo/{$hash}-0.".$ph->getExt());
|
|
|
|
if ($width > 800 || $height > 800) {
|
|
$image["large"] = System::baseUrl()."/photo/{$hash}-0.".$ph->getExt();
|
|
}
|
|
|
|
if ($width > 640 || $height > 640) {
|
|
$ph->scaleImage(640);
|
|
$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
|
|
if ($r) {
|
|
$image["medium"] = System::baseUrl()."/photo/{$hash}-1.".$ph->getExt();
|
|
}
|
|
}
|
|
|
|
if ($width > 320 || $height > 320) {
|
|
$ph->scaleImage(320);
|
|
$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
|
|
if ($r) {
|
|
$image["small"] = System::baseUrl()."/photo/{$hash}-2.".$ph->getExt();
|
|
}
|
|
}
|
|
|
|
if ($width > 160 && $height > 160) {
|
|
$x = 0;
|
|
$y = 0;
|
|
|
|
$min = $ph->getWidth();
|
|
if ($min > 160) {
|
|
$x = ($min - 160) / 2;
|
|
}
|
|
|
|
if ($ph->getHeight() < $min) {
|
|
$min = $ph->getHeight();
|
|
if ($min > 160) {
|
|
$y = ($min - 160) / 2;
|
|
}
|
|
}
|
|
|
|
$min = 160;
|
|
$ph->cropImage(160, $x, $y, $min, $min);
|
|
|
|
$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 3, 0, $defperm);
|
|
if ($r) {
|
|
$image["thumb"] = System::baseUrl()."/photo/{$hash}-3.".$ph->getExt();
|
|
}
|
|
}
|
|
|
|
// Set the full image as preview image. This will be overwritten, if the picture is larger than 640.
|
|
$image["preview"] = $image["full"];
|
|
|
|
// Deactivated, since that would result in a cropped preview, if the picture wasn't larger than 320
|
|
//if (isset($image["thumb"]))
|
|
// $image["preview"] = $image["thumb"];
|
|
|
|
// Unsure, if this should be activated or deactivated
|
|
//if (isset($image["small"]))
|
|
// $image["preview"] = $image["small"];
|
|
|
|
if (isset($image["medium"])) {
|
|
$image["preview"] = $image["medium"];
|
|
}
|
|
|
|
return($image);
|
|
}
|