ImageViewHelper Class Reference

Inheritance diagram for ImageViewHelper:

Public Member Functions
	initializeArguments ()
	render ($src, $width=null, $height=null, $fallbackImage= '')
Public Member Functions inherited from AbstractTagBasedViewHelper
	__construct ()
	initialize ()
Public Member Functions inherited from AbstractViewHelper
	setArguments (array $arguments)
	setRenderingContext (\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
	injectReflectionService (\TYPO3\CMS\Extbase\Reflection\ReflectionService $reflectionService)
	isEscapingInterceptorEnabled ()
	setViewHelperNode (\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode $node)
	setRenderChildrenClosure (\Closure $renderChildrenClosure)
	initializeArgumentsAndRender ()
	initialize ()
	renderChildren ()
	prepareArguments ()
	validateArguments ()
	initializeArguments ()
	compile ($argumentsVariableName, $renderChildrenClosureVariableName, &$initializationPhpCode,\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\AbstractNode $syntaxTreeNode,\TYPO3\CMS\Fluid\Core\Compiler\TemplateCompiler $templateCompiler)
	resetState ()

Protected Member Functions
	getImageUri ($src)
Protected Member Functions inherited from AbstractTagBasedViewHelper
	registerTagAttribute ($name, $type, $description, $required=false, $default=null)
	registerUniversalTagAttributes ()
Protected Member Functions inherited from AbstractViewHelper
	registerArgument ($name, $type, $description, $required=false, $defaultValue=null)
	overrideArgument ($name, $type, $description, $required=false, $defaultValue=null)
	callRenderMethod ()
	getLogger ()
	buildRenderChildrenClosure ()
	hasArgument ($argumentName)

Protected Attributes
	$tagName = 'img'
Protected Attributes inherited from AbstractTagBasedViewHelper
	$tag = null
	$tagName = 'div'
Protected Attributes inherited from AbstractViewHelper
	$arguments
	$templateVariableContainer
	$controllerContext
	$renderingContext
	$renderChildrenClosure = null
	$viewHelperVariableContainer
	$objectManager
	$escapingInterceptorEnabled = true

Additional Inherited Members
Static Public Member Functions inherited from AbstractViewHelper
static	renderStatic (array $arguments,\Closure $renderChildrenClosure,\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)

Detailed Description

Render an img tag for given image src. If $src doesn't exist and $fallbackImage is given check if that file exists and render img tag.

If no existing file is found no tag is rendered.

= Examples =

<em:image src="EXT:myext/Resources/Public/typo3_logo.png" alt="alt text" /> <output>

</output>

<f:image src="NonExistingImage.png" alt="foo" /> <output> </output>

Definition at line 42 of file extensionmanager/Classes/ViewHelpers/ImageViewHelper.php.

Member Function Documentation

getImageUri (   $src )

protected

Get image uri

Parameters

string

$src

Returns

string

Definition at line 99 of file extensionmanager/Classes/ViewHelpers/ImageViewHelper.php.

References GeneralUtility\getFileAbsFileName(), and PathUtility\stripPathSitePrefix().

Referenced by ImageViewHelper\render().

initializeArguments

(

)

Initialize arguments.

Returns

void

Definition at line 54 of file extensionmanager/Classes/ViewHelpers/ImageViewHelper.php.

References AbstractTagBasedViewHelper\registerTagAttribute(), and AbstractTagBasedViewHelper\registerUniversalTagAttributes().

render	(		$src,
			$width = null,
			$height = null,
			$fallbackImage = ''
	)

Resizes a given image (if required) and renders the respective img tag

Parameters

string	$src
int	$width	width of the image
int	$height	height of the image
string	$fallbackImage	an optional fallback image if the $src image cannot be loaded

Returns

string rendered tag.

Definition at line 70 of file extensionmanager/Classes/ViewHelpers/ImageViewHelper.php.

References ImageViewHelper\getImageUri().

Member Data Documentation

$tagName = 'img'

protected

Definition at line 47 of file extensionmanager/Classes/ViewHelpers/ImageViewHelper.php.