C# Class Hjg.Pngcs.PngHelperInternal

Some utility static methods for internal use.

Show file Open project: devedse/DeveMazeGenerator Class Usage Examples

Public Properties

Property	Type	Description
DEBUG	bool
PNG_ID_SIGNATURE	byte[]
charsetLatin1	System.Text.Encoding
charsetUtf8	System.Text.Encoding

Public Methods

Method	Description
DoubleToInt100000 ( double d ) : int
FilterPaethPredictor ( int a, int b, int c ) : int
GetCRC ( ) : Hjg.Pngcs.Zlib.CRC32	thread-singleton crc engine
GetCrctestVal ( PngReader pngr ) : long
InitCrcForTests ( PngReader pngr ) : void
IntToDouble100000 ( int i ) : double
Logdebug ( String msg ) : void
ReadByte ( Stream mask0 ) : int
ReadBytes ( Stream mask0, byte b, int offset, int len ) : void	guaranteed to read exactly len bytes. throws error if it cant
ReadInt1fromByte ( byte b, int offset ) : int
ReadInt2 ( Stream mask0 ) : int	-1 si eof
ReadInt2fromBytes ( byte b, int offset ) : int
ReadInt4 ( Stream mask0 ) : int	-1 si eof
ReadInt4fromBytes ( byte b, int offset ) : int
SkipBytes ( Stream ist, int len ) : void
UnfilterRowPaeth ( int r, int a, int b, int c ) : int
WriteByte ( Stream os, byte b ) : void
WriteBytes ( Stream os, byte b ) : void
WriteBytes ( Stream os, byte b, int offset, int n ) : void
WriteInt2 ( Stream os, int n ) : void
WriteInt2tobytes ( int n, byte b, int offset ) : void
WriteInt4 ( Stream os, int n ) : void
WriteInt4tobytes ( int n, byte b, int offset ) : void

Private Methods

Method	Description
Log ( string p, Exception e ) : void

Method Details

DoubleToInt100000() public static method

public static DoubleToInt100000 ( double d ) : int
d	double
return	int

FilterPaethPredictor() public static method

public static FilterPaethPredictor ( int a, int b, int c ) : int
a	int
b	int
c	int
return	int

GetCRC() public static method

thread-singleton crc engine

public static GetCRC ( ) : Hjg.Pngcs.Zlib.CRC32
return	Hjg.Pngcs.Zlib.CRC32

GetCrctestVal() public static method

public static GetCrctestVal ( PngReader pngr ) : long
pngr	PngReader
return	long

InitCrcForTests() public static method

public static InitCrcForTests ( PngReader pngr ) : void
pngr	PngReader
return	void

IntToDouble100000() public static method

public static IntToDouble100000 ( int i ) : double
i	int
return	double

Logdebug() public static method

public static Logdebug ( String msg ) : void
msg	String
return	void

ReadByte() public static method

public static ReadByte ( Stream mask0 ) : int
mask0	Stream
return	int

ReadBytes() public static method

guaranteed to read exactly len bytes. throws error if it cant

public static ReadBytes ( Stream mask0, byte b, int offset, int len ) : void
mask0	Stream
b	byte
offset	int
len	int
return	void

ReadInt1fromByte() public static method

public static ReadInt1fromByte ( byte b, int offset ) : int
b	byte
offset	int
return	int

ReadInt2() public static method

-1 si eof

public static ReadInt2 ( Stream mask0 ) : int
mask0	Stream
return	int

ReadInt2fromBytes() public static method

public static ReadInt2fromBytes ( byte b, int offset ) : int
b	byte
offset	int
return	int

ReadInt4() public static method

-1 si eof

public static ReadInt4 ( Stream mask0 ) : int
mask0	Stream
return	int

ReadInt4fromBytes() public static method

public static ReadInt4fromBytes ( byte b, int offset ) : int
b	byte
offset	int
return	int

SkipBytes() public static method

public static SkipBytes ( Stream ist, int len ) : void
ist	Stream
len	int
return	void

UnfilterRowPaeth() public static method

public static UnfilterRowPaeth ( int r, int a, int b, int c ) : int
r	int
a	int
b	int
c	int
return	int

WriteByte() public static method

public static WriteByte ( Stream os, byte b ) : void
os	Stream
b	byte
return	void

WriteBytes() public static method

public static WriteBytes ( Stream os, byte b ) : void
os	Stream
b	byte
return	void

WriteBytes() public static method

public static WriteBytes ( Stream os, byte b, int offset, int n ) : void
os	Stream
b	byte
offset	int
n	int
return	void

WriteInt2() public static method

public static WriteInt2 ( Stream os, int n ) : void
os	Stream
n	int
return	void

WriteInt2tobytes() public static method

public static WriteInt2tobytes ( int n, byte b, int offset ) : void
n	int
b	byte
offset	int
return	void

WriteInt4() public static method

public static WriteInt4 ( Stream os, int n ) : void
os	Stream
n	int
return	void

WriteInt4tobytes() public static method

public static WriteInt4tobytes ( int n, byte b, int offset ) : void
n	int
b	byte
offset	int
return	void

Property Details

DEBUG public static property

public static bool DEBUG
return	bool

PNG_ID_SIGNATURE public static property

public static byte[] PNG_ID_SIGNATURE
return	byte[]

charsetLatin1 public static property

public static Encoding,System.Text charsetLatin1
return	System.Text.Encoding

charsetUtf8 public static property

public static Encoding,System.Text charsetUtf8
return	System.Text.Encoding