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bw_get_by_size() – Find the best fitting file for the chosen size

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Description

Find the best fitting file for the chosen size

Choose the best fitting image from the available selection

[sizes] => Array 
( 
[thumbnail] => Array 
( 
[file] => nggallery-example1-150x150.jpg 
[width] => 150 
[height] => 150 
) 

[medium] => Array 
( 
[file] => nggallery-example1-256x130.jpg 
[width] => 256 
[height] => 130 
) 
[full] => Array built from the information for the full size file 

) 

Note: Since we're not going to scale the file then we just try to find something that's a reasonable size. We ignore the aspect ratio.

Usage

$string = bw_get_by_size( $sizes, $size );

Parameters

$sizes
( mixed ) required –
$size
( mixed ) required –

Returns

string chose file name or

Source

File name: oik-nivo-slider/nivo.php
Lines:

1 to 33 of 33
function bw_get_by_size( $sizes, $size ) {
  $sw = $size[0];
  $sh = $size[1];

  $best_width = 0;
  $best_height = 0;
  $best_file = null;
  $best_score = 0;
  foreach ( $sizes as $fileinfo ) {
     
    $file = bw_array_get( $fileinfo, "file", null );
    $width = bw_array_get( $fileinfo, "width", 0 );
    $height = bw_array_get( $fileinfo, "height", 0 );
    if (( $sw == $width ) && ( $sh == $height )) {
      $best_file = $file;
      bw_trace2( $best_file, "best file", false );
      break;
    } 
    if ( $fit = bw_better_fit( $sw, $sh, $best_width, $best_height, $width, $height, $best_score ) ) {
      $best_file = $file;
      $best_width = $width;
      $best_height = $height; 
      $best_score = $fit;
    }
    
  }
  bw_trace2( $best_file, "best file now", false, BW_TRACE_DEBUG );  
  if ( !$best_file ) {
    $best_file = $file;
  }  
  bw_trace2( $best_file, "I chose", true, BW_TRACE_DEBUG );
  return( $best_file );
}
 

 View on GitHub View on Trac

Published: March 5, 2013 | Last updated: December 18, 2017

Information

Function name: bw_get_by_size
Plugin ref: oik-nivo-slider – jQuery nivo slider
Version: 1.16.0
Sourcefile: nivo.php
File ref: nivo.php
Deprecated?: No
API Letters: B,G,S

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