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Static Public Member Functions | Public Attributes | Static Public Attributes | Static Private Member Functions
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 Public Attributes

static $CRC_size
static $png_sig
static $text_chunks

Static Private Member Functions

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

Detailed Description

PNG frame counter.

Definition at line 33 of file PNGMetadataExtractor.php.

Member Function Documentation

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

Definition at line 41 of file PNGMetadataExtractor.php.

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

Referenced by BitmapMetadataHandler\PNG(), 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:
$fhresource The file handle
$sizeInteger size in bytes.
Exceptions:
Exceptionif too big.
Returns:
String The chunk.

Definition at line 420 of file PNGMetadataExtractor.php.

References $size.

Referenced by getMetadata().

Member Data Documentation

PNGMetadataExtractor::$CRC_size [static]

Definition at line 35 of file PNGMetadataExtractor.php.

PNGMetadataExtractor::$png_sig [static]

Definition at line 34 of file PNGMetadataExtractor.php.

PNGMetadataExtractor::$text_chunks [static]

Definition at line 36 of file PNGMetadataExtractor.php.

const PNGMetadataExtractor::MAX_CHUNK_SIZE = 3145728

Definition at line 39 of file PNGMetadataExtractor.php.

const PNGMetadataExtractor::VERSION = 1

Definition at line 38 of file PNGMetadataExtractor.php.

Referenced by PNGHandler\isMetadataValid(), and BitmapMetadataHandler\PNG().

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