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Static Public Member Functions | Public Attributes | Static Private Member Functions | Static Private Attributes
PNGMetadataExtractor Class Reference

PNG frame counter. More...

List of all members.

Static Public Member Functions

static getMetadata ($filename)

Public Attributes

const MAX_CHUNK_SIZE = 3145728
const VERSION = 1

Static Private Member Functions

static read ($fh, $size)
 Read a chunk, checking to make sure its not too big.

Static Private Attributes

static $crcSize
static $pngSig
static $textChunks

Detailed Description

PNG frame counter.

Definition at line 33 of file PNGMetadataExtractor.php.

Member Function Documentation

static PNGMetadataExtractor::getMetadata ( $  filename) [static]

Definition at line 46 of file PNGMetadataExtractor.php.

References $content, $name, $t, $value, array(), as, in, is, list, output(), read(), so, some, support, used, wfDebug(), wfRestoreWarnings(), wfSuppressWarnings(), and wfTimestamp().

Referenced by PNGMetadataExtractorTest\testApngAnimationMetadata(), PNGMetadataExtractorTest\testPngBitDepth1(), PNGMetadataExtractorTest\testPngBitDepth8(), PNGMetadataExtractorTest\testPngGreyscaleColour(), PNGMetadataExtractorTest\testPngGreyscaleNoAlphaColour(), PNGMetadataExtractorTest\testPngIndexColour(), PNGMetadataExtractorTest\testPngNativeText(), PNGMetadataExtractorTest\testPngNativeTextNonAscii(), PNGMetadataExtractorTest\testPngNativetZtxt(), PNGMetadataExtractorTest\testPngRgbColour(), PNGMetadataExtractorTest\testPngRgbNoAlphaColour(), and PNGMetadataExtractorTest\testStaticPngAnimationMetadata().

static PNGMetadataExtractor::read ( $  fh,
$  size 
) [static, private]

Read a chunk, checking to make sure its not too big.

Parameters:
resource$fhThe file handle
int$sizeSize in bytes.
Exceptions:
ExceptionIf too big
Returns:
string The chunk.

Definition at line 419 of file PNGMetadataExtractor.php.

References $size.

Referenced by getMetadata().

Member Data Documentation

PNGMetadataExtractor::$crcSize [static, private]

Definition at line 38 of file PNGMetadataExtractor.php.

PNGMetadataExtractor::$pngSig [static, private]

Definition at line 35 of file PNGMetadataExtractor.php.

PNGMetadataExtractor::$textChunks [static, private]

Definition at line 41 of file PNGMetadataExtractor.php.

const PNGMetadataExtractor::MAX_CHUNK_SIZE = 3145728

Definition at line 44 of file PNGMetadataExtractor.php.

const PNGMetadataExtractor::VERSION = 1

Definition at line 43 of file PNGMetadataExtractor.php.

Referenced by PNGHandler\isMetadataValid().

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