PNGHandler Class Reference

Handler for PNG images. More...

Inheritance diagram for PNGHandler:

Collaboration diagram for PNGHandler:

List of all members.

Public Member Functions
	canAnimateThumbnail ($image)
	We do not support making APNG thumbnails, so always false.
	formatMetadata ($image)
	getLongDesc ($image)
	getMetadata ($image, $filename)
	getMetadataType ($image)
	Get a string describing the type of metadata, for display purposes.
	isAnimatedImage ($image)
	isMetadataValid ($image, $metadata)
	Check if the metadata string is valid for this handler.
Public Attributes
const	BROKEN_FILE = '0'

---

Detailed Description

Handler for PNG images.

Definition at line 29 of file PNG.php.

---

Member Function Documentation

PNGHandler::canAnimateThumbnail

(

$

image

)

We do not support making APNG thumbnails, so always false.

Parameters:

$image

File

Returns:

bool false

Reimplemented from MediaHandler.

Definition at line 90 of file PNG.php.

PNGHandler::formatMetadata

(

$

image

)

Parameters:

$image

File

Returns:

array|bool

Reimplemented from MediaHandler.

Definition at line 54 of file PNG.php.

References MediaHandler\formatMetadataHelper().

PNGHandler::getLongDesc

(

$

image

)

Parameters:

$image

File

Returns:

string

Reimplemented from ImageHandler.

Definition at line 126 of file PNG.php.

References $wgLang, array(), global, wfMessage(), wfRestoreWarnings(), and wfSuppressWarnings().

PNGHandler::getMetadata	(	$	image,
		$	filename
	)

Parameters:

File	$image
string	$filename

Returns:

string

Reimplemented from MediaHandler.

Definition at line 38 of file PNG.php.

References BROKEN_FILE, BitmapMetadataHandler\PNG(), and wfDebug().

PNGHandler::getMetadataType

(

$

image

)

Get a string describing the type of metadata, for display purposes.

Returns:

string

Reimplemented from MediaHandler.

Definition at line 94 of file PNG.php.

PNGHandler::isAnimatedImage

(

$

image

)

Parameters:

$image

File

Returns:

bool

Reimplemented from MediaHandler.

Definition at line 75 of file PNG.php.

PNGHandler::isMetadataValid	(	$	image,
		$	metadata
	)

Check if the metadata string is valid for this handler.

If it returns MediaHandler::METADATA_BAD (or false), Image will reload the metadata from the file and update the database. MediaHandler::METADATA_GOOD for if the metadata is a-ok, MediaHanlder::METADATA_COMPATIBLE if metadata is old but backwards compatible (which may or may not trigger a metadata reload).

Returns:

bool

Reimplemented from MediaHandler.

Definition at line 98 of file PNG.php.

References MediaHandler\METADATA_BAD, MediaHandler\METADATA_COMPATIBLE, MediaHandler\METADATA_GOOD, PNGMetadataExtractor\VERSION, wfDebug(), wfRestoreWarnings(), and wfSuppressWarnings().

---

Member Data Documentation

const PNGHandler::BROKEN_FILE = '0'

Definition at line 31 of file PNG.php.

Referenced by getMetadata(), and PNGHandlerTest\testInvalidFile().

---

The documentation for this class was generated from the following file:

• includes/media/PNG.php