<?php

	function fnc_getNavPathArray ( $tblPrefix , $navId )
		{
			global $db;
			
			$return = $navId;
			
			if ( $navId !== '0' )
				{
					$result	= $db -> query ( 'SELECT * FROM ' . $tblPrefix . '_' . TBL_NAVI . ' WHERE ' . $tblPrefix . '_navId = "' . $navId . '";' );
					if ( $result -> num_rows !== 0 )
						{
							$navPoint	= $result -> fetch_assoc( );
							$return		.= ' ' . fnc_getNavPathArray ( $tblPrefix , $navPoint[ $tblPrefix . '_navStart' ] );
						}
				}
				
			return $return;
		}

	function fnc_buildUniqueLinkName ( $tblPrefix , $navStart , $navName )
		{
			global $db;
			
			$return 	= false;
			$search		= array ( 'ä'  , 'ö'  , 'ü'  , 'ß'  , ' ' , '.' , '/' );
			$replace	= array ( 'ae' , 'oe' , 'ue' , 'ss' , '_' , ''  , '' );
			$ent		= array_keys( get_html_translation_table( ENT_HTML5 ) );
			
			$return		= str_replace ( $search , $replace , mb_strtolower( $navName , mb_detect_encoding ( $navName ) ) );
			$return		= str_replace ( $ent , '' , $return );
			
			$result		= $db -> query ( 'SELECT * FROM ' . $tblPrefix . '_' . TBL_NAVI . ' WHERE ' . $tblPrefix . '_navStart = "' . $navStart . '" AND ( ' . $tblPrefix . '_navLink = "' . $return . '" OR ' . $tblPrefix . '_navLink REGEXP "' . $return . '\_[0-9]" );' );
			$count		= $result -> num_rows;

			$return		= ( $count > 0 )
						? $return . '_' . $count
						: $return;
			
			return $return;
		}

	function fnc_buildUniqueFileName ( $prefix , $navId , $fileName , $fileExt )
		{
			$return 	= false;
			$search		= array ( 'ä' , 'ö' , 'ü' , 'ß' , ' ' , '/' );
			$replace	= array ( 'ae' , 'oe' , 'ue' , 'ss' , '_' , '' );
			$ent		= array_keys( get_html_translation_table( ENT_HTML5 ) );
			
			$return		= str_replace ( $search , $replace , mb_strtolower( $fileName , mb_detect_encoding ( $fileName ) ) );
			$return		= str_replace ( $ent , '' , $return );
			
			$result		= glob ( PATH_MED . $prefix . '/' . $navId . '/' . $return . '*_orig.' . $fileExt );
			$count		= count ( $result );
			$return		= ( $count > 0 )
						? $return . '_' . $count
						: $return;
			
			$return		.= '.' . $fileExt;
			
			return $return;
		}
	
	function fnc_checkOrigResize ( $filePath , $fileName_orig , $fileName_temp , $fileExt , $newSize )
		{
			global $vC;
			list ( $width , $height )	= getimagesize( $filePath . $fileName_temp );
			
			if ( $width > $newSize[ 'width' ] || $height > $newSize[ 'height' ] )
				{
					if ( $newSize[ 'width' ] / $width < $newSize[ 'height' ] / $height )
						{
							$newWidth	= $newSize[ 'width' ];
							$newHeight	= $height * $newSize[ 'width' ] / $width;
						}
					else
						{
							$newWidth	= $width * $newSize[ 'height' ] / $height;
							$newHeight	= $newSize[ 'height' ];
						}
					$newImage			= imagecreatetruecolor ( $newWidth , $newHeight );
					
					if ( $fileExt === 'jpg' )
						{
							$origImg	= imagecreatefromjpeg( $filePath . $fileName_temp );
						}
					else if ( $fileExt === 'png' )
						{
							$origImg	= imagecreatefrompng( $filePath . $fileName_temp ); 
						}
					else if ( $fileExt === 'gif' )
						{
							$origImg	= imagecreatefromgif( $filePath . $fileName_temp );
						}
					else
						{
							return false;
						}
						
					$return				= imagecopyresampled( $newImage , $origImg , 0 , 0 , 0 , 0 , $newWidth , $newHeight , $width , $height );
					
					if ( $return === true )
						{
							if ( $fileExt === 'jpg' )
								{
									$return		= imagejpeg( $newImage , $filePath . $fileName_orig , $vC[ 'portal' ][ 'imgQuality' ] );
								}
							else if ( $fileExt === 'png' )
								{
									$return		= imagepng( $newImage , $filePath . $fileName_orig );
								}
							else if ( $fileExt === 'gif' )
								{
									$return		= imagegif( $newImage , $filePath . $fileName_orig );
								}
						}
					
					unlink ( $filePath . $fileName_temp );
					return $return;
				}
			else
				{
					rename ( $filePath . $fileName_temp , $filePath . $fileName_orig );
				}
				
			return true;
		}
		
	function fnc_buildImage ( $filePath , $fileName , $fileExt , $newSize , $previewParams )
		{
			global $vC;
			
			list ( $width , $height )	= getimagesize( $filePath . $fileName );
			$newImage					= imagecreatetruecolor ( $newSize[ 'width' ] , $newSize[ 'height' ] );
			
			if ( $fileExt === 'jpg' )
				{
					$origImg		= imagecreatefromjpeg( $filePath . $fileName );
				}
			else if ( $fileExt === 'png' )
				{
					$origImg		= imagecreatefrompng( $filePath . $fileName ); 
				}
			else if ( $fileExt === 'gif' )
				{
					$origImg		= imagecreatefromgif( $filePath . $fileName );
				}
			else
				{
					return false;
				}
			
			$return	= imagecopyresampled( $newImage , $origImg , 0 , 0 , $previewParams[ 'previewLeft' ] * ( $width / $newSize[ 'width' ] ) , $previewParams[ 'previewTop' ] * ( $width / $newSize[ 'width' ] ) , $newSize[ 'width' ] , $newSize[ 'height' ] , $width * ( $previewParams[ 'previewWidth' ] / $newSize[ 'width' ] ) , $newSize[ 'height' ] * ( $width / $newSize[ 'width' ] ) * ( $previewParams[ 'previewWidth' ] / $newSize[ 'width' ] ) );
			
			if ( $return === true )
				{
					if ( $fileExt === 'jpg' )
						{
							$return		= imagejpeg( $newImage , $filePath . str_replace ( '_orig' , '' , $fileName ) , $vC[ 'portal' ][ 'imgQuality' ] );
						}
					else if ( $fileExt === 'png' )
						{
							$return		= imagepng( $newImage , $filePath . str_replace ( '_orig' , '' , $fileName ) );
						}
					else if ( $fileExt === 'gif' )
						{
							$return		= imagegif( $newImage , $filePath . str_replace ( '_orig' , '' , $fileName ) );
						}
				}
			
			return $return;
		}
	
	function fnc_buildThumbnail ( $filePath , $fileName , $fileExt , $newSize )
		{
			global $vC;
			
			list ( $width , $height )	= getimagesize( $filePath . $fileName );
			$newImage					= imagecreatetruecolor ( $newSize[ 'width' ] , $newSize[ 'height' ] );
			
			if ( $fileExt === 'jpg' )
				{
					$origImg		= imagecreatefromjpeg( $filePath . $fileName );
				}
			else if ( $fileExt === 'png' )
				{
					$origImg		= imagecreatefrompng( $filePath . $fileName ); 
				}
			else if ( $fileExt === 'gif' )
				{
					$origImg		= imagecreatefromgif( $filePath . $fileName );
				}
			else
				{
					return false;
				}
			
			$return	= imagecopyresampled( $newImage , $origImg , 0 , 0 , 0 , 0 , $newSize[ 'width' ] , $newSize[ 'height' ] , $width , $height );
			
			if ( $return === true )
				{
					if ( $fileExt === 'jpg' )
						{
							$return		= imagejpeg( $newImage , $filePath . str_replace ( '.' . $fileExt , '_thumb.' . $fileExt , $fileName ) , $vC[ 'portal' ][ 'imgQuality' ] );
						}
					else if ( $fileExt === 'png' )
						{
							$return		= imagepng( $newImage , $filePath . str_replace ( '.' . $fileExt , '_thumb.' . $fileExt , $fileName ) );
						}
					else if ( $fileExt === 'gif' )
						{
							$return		= imagegif( $newImage , $filePath . str_replace ( '.' . $fileExt , '_thumb.' . $fileExt , $fileName ) );
						}
				}
			
			return $return;
		}
?>