<?php
require_once(GLOBAL_INCLUDE_PATH."js/upload_class.php");

error_reporting(E_ALL);
ini_set("memory_limit", "64M");
set_time_limit(60);

class Foto_upload extends file_upload {
	
	var $x_size;
	var $y_size;
	var $x_max_size = 300;
	var $y_max_size = 200;
	var $x_max_thumb_size = 110;
	var $y_max_thumb_size = 88;
	var $thumb_folder;
	var $foto_folder;
	var $larger_dim;
	var $larger_curr_value;
	var $larger_dim_value;
	var $larger_dim_thumb_value;
	
	
	var $use_image_magick = true; // switch between true and false
	// I suggest to use ImageMagick on Linux/UNIX systems, it works on windows too, but it's hard to configurate
	// check your existing configuration by your web hosting provider
	function convertToWebP($foto)
	{
		if ($this->use_image_magick) {
			$FileExtension = $this->get_extension($foto);
			if ($FileExtension!='.webp')
			{			
				$fotoToSave = str_replace($FileExtension, '.webp', $foto);
			//exec("/usr/bin/convert $filename -quality 50 -define webp:lossless=true $fotoToSave ");
				exec("/usr/bin/convert $foto -strip -quality 50 -define webp:lossless=true $fotoToSave ");
				return 1;
			}
			else 
			{
				return 0;
			}			
		}	
	}
	function process_image($landscape_only = false, $create_thumb = false, $delete_tmp_file = false, $compression = 85) {
		$filename = $this->upload_dir.$this->file_copy;
		$this->check_dir($this->thumb_folder); // run these checks to create not existing directories
		$this->check_dir($this->foto_folder); // the upload dir is created during the file upload (if not already exists)
		$thumb = $this->thumb_folder.$this->file_copy;
		$foto = $this->foto_folder.$this->file_copy;
		if ($landscape_only) {
			$this->get_img_size($filename);
			if ($this->y_size > $this->x_size) {
				$this->img_rotate($filename, $compression);
			}
		}
		$this->check_dimensions($filename); // check which size is longer then the max value
		if ($this->larger_curr_value > $this->larger_dim_value) {
			$this->thumbs($filename, $foto, $this->larger_dim_value, $compression);
		} else {
			exec("/usr/bin/convert $filename -strip -quality 50 -define webp:lossless=true $foto ");			
			//copy($filename, $foto);
		}
		if ($this->use_image_magick) {
			$FileExtension = $this->get_extension($foto);
			$fotoToSave = str_replace($FileExtension, '.webp', $foto);				
			//exec("/usr/bin/convert $filename -quality 50 -define webp:lossless=true $fotoToSave ");
			exec("/usr/bin/convert $foto -strip -quality 50 -define webp:lossless=true $fotoToSave ");
		}
		if ($create_thumb) {
			if ($this->larger_curr_value > $this->larger_dim_thumb_value) {
				$this->thumbs($filename, $thumb, $this->larger_dim_thumb_value, $compression); // finally resize the image
			} else {
				exec("/usr/bin/convert $filename -strip -quality 50 -define webp:lossless=true $thumb ");				
				//copy($filename, $thumb);
			}
		}
		if ($delete_tmp_file) $this->del_temp_file($filename); // note if you delete the tmp file the check if a file exists will not work
	}
	function process_pdf($create_thumb = false, $delete_tmp_file = true) {
		$filename = $this->upload_dir.$this->file_copy;
		$this->check_dir($this->thumb_folder); // run these checks to create not existing directories
		$this->check_dir($this->foto_folder); // the upload dir is created during the file upload (if not already exists)
		
		$thumb = $this->thumb_folder.$this->file_copy;
		$foto = $this->foto_folder.$this->file_copy;
		
		copy($filename, $foto);
		if ($create_thumb) {
			exec("convert \"{$foto}[0]\" -colorspace RGB -geometry 100 $thumb");
			copy($filename, $thumb);
		}
		if ($delete_tmp_file) $this->del_temp_file($filename); // note if you delete the tmp file the check if a file exists will not work
	}
	function get_img_size($file) {
		$img_size = getimagesize($file);
		$this->x_size = $img_size[0];
		$this->y_size = $img_size[1];
	}
	function check_dimensions($filename) {
		$this->get_img_size($filename);
		$x_check = $this->x_size - $this->x_max_size;
		$y_check = $this->y_size - $this->y_max_size;
		if ($x_check < $y_check) {
			$this->larger_dim = "y";
			$this->larger_curr_value = $this->y_size;
			$this->larger_dim_value = $this->y_max_size;
			$this->larger_dim_thumb_value = $this->y_max_thumb_size;
		} else {
			$this->larger_dim = "x";
			$this->larger_curr_value = $this->x_size;
			$this->larger_dim_value = $this->x_max_size;
			$this->larger_dim_thumb_value = $this->x_max_thumb_size;
		}
	}
	function img_rotate($wr_file, $comp) {
		$new_x = $this->y_size;
		$new_y = $this->x_size;
		if ($this->use_image_magick) {
			exec(sprintf("mogrify -rotate 90 -quality %d %s", $comp, $wr_file));
			//mogrify -strip input.jpg 
		} else {
			$src_img = imagecreatefromjpeg($wr_file);
			$rot_img = imagerotate($src_img, 90, 0);
			$new_img = imagecreatetruecolor($new_x, $new_y);
			imageantialias($new_img, TRUE);
			imagecopyresampled($new_img, $rot_img, 0, 0, 0, 0, $new_x, $new_y, $new_x, $new_y);
			imagejpeg($new_img, $this->upload_dir.$this->file_copy, $comp);
		}
	}
	function thumbs($file_name_src, $file_name_dest, $target_size, $quality = 80) {
		//print_r(func_get_args());
		$size = getimagesize($file_name_src);
		if ($this->larger_dim == "x") {
			$w = number_format($target_size, 0, ',', '');
			$h = number_format(($size[1]/$size[0])*$target_size,0,',','');
		} else {
			$h = number_format($target_size, 0, ',', '');
			$w = number_format(($size[0]/$size[1])*$target_size,0,',','');
		}
		if ($this->use_image_magick) {
			exec(sprintf("/usr/bin/convert -strip -interlace Plane -compress LossLess %s -resize %dx%d -quality %d %s", $file_name_src, $w, $h, 100, $file_name_dest));
		} else {
			$dest = imagecreatetruecolor($w, $h);
			imageantialias($dest, TRUE);
			$src = imagecreatefromjpeg($file_name_src);
			imagecopyresampled($dest, $src, 0, 0, 0, 0, $w, $h, $size[0], $size[1]);
			imagejpeg($dest, $file_name_dest, $quality);
		}
	}
}
?>