PngCs  1.1.4
A C# library for read/write PNG images
Public Member Functions | Public Attributes | List of all members
Hjg.Pngcs.Chunks.PngChunkIDAT Class Reference

IDAT chunk http://www.w3.org/TR/PNG/#11IDAT More...

Inherits Hjg.Pngcs.Chunks.PngChunkMultiple.

Public Member Functions

 PngChunkIDAT (ImageInfo i, int len, long offset)
 
override ChunkOrderingConstraint GetOrderingConstraint ()
 Get ordering constrain
 
override ChunkRaw CreateRawChunk ()
 Serialization. Creates a Raw chunk, ready for write, from this chunk content
 
override void ParseFromRaw (ChunkRaw c)
 Deserialization. Given a Raw chunk, just rad, fills this chunk content
 
override void CloneDataFromRead (PngChunk other)
 Override to make a copy (normally deep) from other chunk
 
- Public Member Functions inherited from Hjg.Pngcs.Chunks.PngChunkMultiple
sealed override bool AllowsMultiple ()
 This is implemented in PngChunkMultiple/PngChunSingle
 
- Public Member Functions inherited from Hjg.Pngcs.Chunks.PngChunk
ChunkRaw createEmptyChunk (int len, bool alloc)
 
override String ToString ()
 Basic info: Id, length, Type name
 

Public Attributes

const String ID = ChunkHelper.IDAT
 

Additional Inherited Members

- Public Types inherited from Hjg.Pngcs.Chunks.PngChunk
enum  ChunkOrderingConstraint {
  NONE, BEFORE_PLTE_AND_IDAT, AFTER_PLTE_BEFORE_IDAT, BEFORE_IDAT,
  NA
}
 Restrictions for chunk ordering, for ancillary chunks More...
 
- Static Public Member Functions inherited from Hjg.Pngcs.Chunks.PngChunk
static void FactoryRegister (String chunkId, Type type)
 Registers a Chunk ID in the factory, to instantiate a given type
 
static T CloneChunk< T > (T chunk, ImageInfo info)
 
- Protected Member Functions inherited from Hjg.Pngcs.Chunks.PngChunk
 PngChunk (String id, ImageInfo imgInfo)
 Constructs an empty chunk
 
- Protected Attributes inherited from Hjg.Pngcs.Chunks.PngChunk
readonly ImageInfo ImgInfo
 Image basic info, mostly for some checks
 
- Properties inherited from Hjg.Pngcs.Chunks.PngChunk
bool Priority [get, set]
 For writing. Queued chunks with high priority will be written as soon as possible
 
int ChunkGroup [get, set]
 Chunk group where it was read or writen
 
int Length [get, set]
 
long Offset [get, set]
 

Detailed Description

IDAT chunk http://www.w3.org/TR/PNG/#11IDAT

This object is dummy placeholder - We treat this chunk in a very different way than ancillary chnks

Constructor & Destructor Documentation

Hjg.Pngcs.Chunks.PngChunkIDAT.PngChunkIDAT ( ImageInfo  i,
int  len,
long  offset 
)

Member Function Documentation

override ChunkOrderingConstraint Hjg.Pngcs.Chunks.PngChunkIDAT.GetOrderingConstraint ( )
virtual

Get ordering constrain

Returns

Implements Hjg.Pngcs.Chunks.PngChunk.

override ChunkRaw Hjg.Pngcs.Chunks.PngChunkIDAT.CreateRawChunk ( )
virtual

Serialization. Creates a Raw chunk, ready for write, from this chunk content

Implements Hjg.Pngcs.Chunks.PngChunk.

override void Hjg.Pngcs.Chunks.PngChunkIDAT.ParseFromRaw ( ChunkRaw  c)
virtual

Deserialization. Given a Raw chunk, just rad, fills this chunk content

Implements Hjg.Pngcs.Chunks.PngChunk.

override void Hjg.Pngcs.Chunks.PngChunkIDAT.CloneDataFromRead ( PngChunk  other)
virtual

Override to make a copy (normally deep) from other chunk

Parameters
other

Implements Hjg.Pngcs.Chunks.PngChunk.

Member Data Documentation

const String Hjg.Pngcs.Chunks.PngChunkIDAT.ID = ChunkHelper.IDAT