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