travail/php-Image-PerceptualHash
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use LengthException

Browse Source
This commit is contained in:
travail 2015-01-22 00:11:12 +09:00
parent 284c50ba5b
commit 54719f6084
2 changed files with 17 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
lib/PerceptualHash/Algorithm/AverageHash.php
View File

@ -2,7 +2,7 @@
namespace Image\PerceptualHash\Algorithm;
use Exception;
use LengthException;
use Image\PerceptualHash\Algorithm;
class AverageHash implements Algorithm
@ -34,25 +34,28 @@ class AverageHash implements Algorithm
// Calculate the average pixel value
$average = floor(array_sum($pixels) / count($pixels));
$binary = '';
$bin = '';
$one = 1;
foreach ($pixels as $pixel) {
$binary .= $pixel > $average ? 1 : 0;
$bin .= $pixel > $average ? 1 : 0;
$one = $one << 1;
}
return $binary;
return $bin;
}
public function hex($binary)
/**
* {@inheritDoc}
*/
public function hex($bin)
{
if (strlen($binary) !== self::SIZE * self::SIZE) {
throw new Exception('Binary length must be ' . self::SIZE * self::SIZE);
if (strlen($bin) !== self::SIZE * self::SIZE) {
throw new LengthException('Binary length must be ' . self::SIZE * self::SIZE);
}
$hex = '';
foreach (str_split($binary, 4) as $binary) {
$hex .= dechex(bindec($binary));
foreach (str_split($bin, 4) as $bin) {
$hex .= dechex(bindec($bin));
}
return $hex;

7
lib/PerceptualHash/Algorithm/DifferenceHash.php
View File

@ -2,7 +2,7 @@
namespace Image\PerceptualHash\Algorithm;
use Exception;
use LengthException;
use Image\PerceptualHash\Algorithm;
class DifferenceHash implements Algorithm
@ -45,10 +45,13 @@ class DifferenceHash implements Algorithm
return $bin;
}
/**
* {@inheritDoc}
*/
public function hex($bin)
{
if (strlen($bin) !== self::SIZE * self::SIZE) {
throw new Exception('Binary length must be ' . self::SIZE * self::SIZE);
throw new LengthException('Binary length must be ' . self::SIZE * self::SIZE);
}
$hex = '';