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added exif method (read)

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Oliver Vogel
2013-08-16 19:23:34 +02:00
parent 087cb8d430
commit 81c61cd35c
3 changed files with 38 additions and 0 deletions
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17
src/Intervention/Image/Image.php
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@@ -1364,6 +1364,23 @@ class Image
return $this; return $this;
} }
/**
* Read Exif data from the current image
*
* @param string $key
* @return mixed
*/
public function exif($key = null)
{
$data = exif_read_data($this->dirname .'/'. $this->basename, 'EXIF', false);
if ( ! is_null($key)) {
return array_key_exists($key, $data) ? $data[$key] : null;
}
return $data;
}
/** /**
* Convert rgba alpha (0-1) value to gd value (0-127) * Convert rgba alpha (0-1) value to gd value (0-127)
* *

21
tests/ImageTest.php
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@@ -1397,4 +1397,25 @@ class ImageTest extends PHPUnit_Framework_Testcase
$encoded = 'data:image/png;base64,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'; $encoded = 'data:image/png;base64,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';
$this->assertEquals($data, $encoded); $this->assertEquals($data, $encoded);
} }
public function testExifRead()
{
// read all data
$data = Image::make('public/exif.jpg')->exif();
$this->assertInternalType('array', $data);
$this->assertEquals(count($data), 19);
// read key
$data = Image::make('public/exif.jpg')->exif('Artist');
$this->assertInternalType('string', $data);
$this->assertEquals($data, 'Oliver Vogel');
// read image with no exif data
$data = Image::make('public/test.jpg')->exif();
$this->assertEquals($data, null);
// read key that doesn't exist
$data = Image::make('public/exif.jpg')->exif('xxx');
$this->assertEquals($data, null);
}
} }