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Code Issues Releases Wiki Activity

added possibility to init image from data-url string

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This commit is contained in:
Oliver Vogel
2014-08-22 18:05:04 +02:00
parent 478b5a07ac
commit 9f4b7fd023
4 changed files with 66 additions and 0 deletions
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33
src/Intervention/Image/AbstractDecoder.php
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@@ -136,6 +136,18 @@ abstract class AbstractDecoder
return false;
}
/**
* Determines if current source data is data-url
*
* @return boolean
*/
public function isDataUrl()
{
$data = $this->decodeDataUrl($this->data);
return is_null($data) ? false : true;
}
/**
* Initiates new Image from Intervention\Image\Image
*
@@ -147,6 +159,24 @@ abstract class AbstractDecoder
return $object;
}
/**
* Parses and decodes binary image data from data-url
*
* @param string $data_url
* @return string
*/
private function decodeDataUrl($data_url)
{
$pattern = "/^data:(?:image\/.+)(?:charset=\".+\")?;base64,(?P<data>.+)$/";
preg_match($pattern, $data_url, $matches);
if (is_array($matches) && array_key_exists('data', $matches)) {
return base64_decode($matches['data']);
}
return null;
}
/**
* Initiates new image from mixed data
*
@@ -180,6 +210,9 @@ abstract class AbstractDecoder
case $this->isFilePath():
return $this->initFromPath($this->data);
case $this->isDataUrl():
return $this->initFromBinary($this->decodeDataUrl($this->data));
default:
throw new Exception\NotReadableException("Image source not readable");
}

9
tests/AbstractDecoderTest.php
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@@ -99,6 +99,15 @@ class AbstractDecoderTest extends PHPUnit_Framework_TestCase
$this->assertTrue($source->isSymfonyUpload());
}
public function testIsDataUrl()
{
$source = $this->getTestDecoder('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGElEQVQYlWM8c+bMfwYiABMxikYVUk8hAHWzA3cRvs4UAAAAAElFTkSuQmCC');
$this->assertTrue($source->isDataUrl());
$source = $this->getTestDecoder(null);
$this->assertFalse($source->isDataUrl());
}
public function getTestDecoder($data)
{
return $this->getMockForAbstractClass('\Intervention\Image\AbstractDecoder', array($data));

11
tests/GdSystemTest.php
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@@ -45,6 +45,17 @@ class GdSystemTest extends PHPUnit_Framework_TestCase
$this->assertEquals(50, $img->getHeight());
}
public function testMakeFromDataUrl()
{
$img = $this->manager()->make('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGElEQVQYlWM8c+bMfwYiABMxikYVUk8hAHWzA3cRvs4UAAAAAElFTkSuQmCC');
$this->assertInstanceOf('Intervention\Image\Image', $img);
$this->assertInternalType('resource', $img->getCore());
$this->assertInternalType('int', $img->getWidth());
$this->assertInternalType('int', $img->getHeight());
$this->assertEquals(10, $img->getWidth());
$this->assertEquals(10, $img->getHeight());
}
public function testCanvas()
{
$img = $this->manager()->canvas(30, 20);

13
tests/ImagickSystemTest.php
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@@ -45,6 +45,19 @@ class ImagickSystemTest extends PHPUnit_Framework_TestCase
$this->assertEquals(50, $img->getHeight());
}
public function testMakeFromDataUrl()
{
$str = file_get_contents('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGElEQVQYlWM8c+bMfwYiABMxikYVUk8hAHWzA3cRvs4UAAAAAElFTkSuQmCC');
$img = $this->manager()->make($str);
$this->assertInstanceOf('Intervention\Image\Image', $img);
$this->assertInstanceOf('Imagick', $img->getCore());
$this->assertInternalType('int', $img->getWidth());
$this->assertInternalType('int', $img->getHeight());
$this->assertEquals(10, $img->getWidth());
$this->assertEquals(10, $img->getHeight());
$this->assertEquals('image/png', $img->mime);
}
public function testCanvas()
{
$img = $this->manager()->canvas(30, 20);