Coding standards
Security in ResourceSpace
Developer reference
Database
Action functions
Admin functions
Ajax functions
Annotation functions
API functions
Collections functions
Comment functions
Config functions
CSV export functions
Dash functions
Debug functions
Encryption functions
Facial recognition functions
File functions
General functions
Language functions
Log functions
Login functions
Message functions
Migration functions
Node functions
PDF functions
Plugin functions
Render functions
Reporting functions
Request functions
Research functions
Slideshow functions
Theme permission functions
User functions
Video functions
Database functions
Metadata functions
Resource functions
Search functions
Map functions
Job functions
Tab functions
Test functions

exiftool_resolution_calc()

Description

Set resource dimensions using data from exiftool.

Parameters

ColumnTypeDefaultDescription
$file_path string Path to the original file.
$ref int Reference of the resource.
$remove_original boolean false Option to remove the original record. Used by update_resource_dimensions.php

Return

void

Location

include/metadata_functions.php lines 392 to 440

Definition

 
function exiftool_resolution_calc($file_path, $ref, $remove_original = false)
    {
    $exiftool_fullpath = get_utility_path("exiftool");
    $command = $exiftool_fullpath . " -s -s -s -t -composite:imagesize -xresolution -resolutionunit " . escapeshellarg($file_path);
    $dimensions_resolution_unit=explode("\t",run_command($command));
        
    # if dimensions resolution and unit could be extracted, add them to the database.
    # they can be used in view.php to give more accurate data.
    if (count($dimensions_resolution_unit)>=1 && $dimensions_resolution_unit[0]!='')
        {
        if ($remove_original)
            {
            ps_query("DELETE FROM resource_dimensions WHERE resource= ?", ['i', $ref]);
            }
        $wh=explode("x",$dimensions_resolution_unit[0]);
        if(count($wh)>1)
            {
            $width=$wh[0];
            $height=$wh[1];
            $filesize=filesize_unlimited($file_path);
            $sql_insert ="insert into resource_dimensions (resource,width,height,file_size";
            $sql_params = [
                's', $ref,
                'i', $width,
                'i', $height,
                's', $filesize
            ];
            
            if(count($dimensions_resolution_unit)>=2)
                {
                $resolution=$dimensions_resolution_unit[1];
                $sql_insert.=",resolution";
                $sql_params[] = 's'; $sql_params[] = $resolution;
                
                if(count($dimensions_resolution_unit)>=3)
                    {
                    $unit=$dimensions_resolution_unit[2];
                    $sql_insert.=",unit";
                    $sql_params[] = 's'; $sql_params[] = $unit;
                    }
                }
                
            $sql_insert.=")";
            $sql_values = "values (". ps_param_insert((count($sql_params)/2)) .")";
            $sql=$sql_insert.$sql_values;
            ps_query($sql, $sql_params);
            }
        }
    }

This article was last updated 13th December 2024 20:35 Europe/London time based on the source file dated 6th March 2024 14:45 Europe/London time.