Classes

Functions

BinaryFile

Kind: global class

• BinaryFile
  • new BinaryFile(byteString)
  • .getByteAt(index) ⇒ Number
  • .getLength() ⇒ *
  • .getStringAt(a, b) ⇒ string
  • .getShortAt(offset, isBigEndian) ⇒ *
  • .getLongAt(offset, isBigEndian) ⇒ *
  • .getSLongAt(offset, isBigEndian) ⇒ number

new BinaryFile(byteString)

A binary file abstraction that exposes methods for reading data from a binary file.

| Param | Description | | --- | --- | | byteString | a binary byte string |

binaryFile.getByteAt(index) ⇒ Number

Return the byte value at index

Kind: instance method of BinaryFile
Access: public

| Param | Type | | --- | --- | | index | number |

binaryFile.getLength() ⇒ *

Return the length of the file

Kind: instance method of BinaryFile
Access: public

binaryFile.getStringAt(a, b) ⇒ string

Return string value starting at position a of length b

Kind: instance method of BinaryFile
Access: public

| Param | Type | | --- | --- | | a | number | | b | number |

binaryFile.getShortAt(offset, isBigEndian) ⇒ *

Return the short value at offset

Kind: instance method of BinaryFile
Access: public

| Param | Type | | --- | --- | | offset | number | | isBigEndian | Boolean |

binaryFile.getLongAt(offset, isBigEndian) ⇒ *

Return the long value at offset

Kind: instance method of BinaryFile
Access: public

| Param | Type | | --- | --- | | offset | number | | isBigEndian | Boolean |

binaryFile.getSLongAt(offset, isBigEndian) ⇒ number

Return the signed long value at offset

Kind: instance method of BinaryFile
Access: public

| Param | Type | | --- | --- | | offset | number | | isBigEndian | Boolean |

readExif(file) ⇒ Object

Read the EXIF data out of a valid BinaryFile.

Kind: global function

| Param | Type | Description | | --- | --- | --- | | file | BinaryFile | A valid JPEG BinaryFile |

read(file) ⇒ *

Read the EXIF data out of a valid JPG BinaryFile.

Kind: global function

| Param | Description | | --- | --- | | file | A valid JPG file binary |