Class Util

Inheritance

System.Object

Util

Namespace: PhotoshopFile

Syntax

public static class Util

Methods

BytesFromBitDepth(Int32)

Returns the number of bytes needed to store a single pixel of the specified bit depth.

Declaration

public static int BytesFromBitDepth(int depth)

Parameters

Type	Name	Description
System.Int32	depth

Returns

Type	Description
System.Int32

BytesPerRow(Size, Int32)

Calculates the number of bytes required to store a row of an image with the specified bit depth.

Declaration

public static int BytesPerRow(Size size, int bitDepth)

Parameters

Type	Name	Description
Size	size	The size of the image in pixels.
System.Int32	bitDepth	The bit depth of the image.

Returns

Type	Description
System.Int32	The number of bytes needed to store a row of the image.

CheckBufferBounds(Byte[], Int32, Int32)

Verify that the offset and count will remain within the bounds of the buffer.

Declaration

public static bool CheckBufferBounds(byte[] data, int offset, int count)

Parameters

Type	Name	Description
System.Byte[]	data
System.Int32	offset
System.Int32	count

Returns

Type	Description
System.Boolean	True if in bounds, false if out of bounds.

CheckByteArrayLength(Int64)

Declaration

public static void CheckByteArrayLength(long length)

Parameters

Type	Name	Description
System.Int64	length

DebugMessage(Stream, String, Object[])

Writes a message to the debug console, indicating the current position in the stream in both decimal and hexadecimal formats.

Declaration

[Conditional("DEBUG")]
public static void DebugMessage(Stream stream, string message, params object[] args)

Parameters

Type	Name	Description
System.IO.Stream	stream
System.String	message
System.Object[]	args

Fill(Byte[], Int32, Int32, Byte)

Fills a buffer with a byte value.

Declaration

public static void Fill(byte[] ptr, int start, int end, byte value)

Parameters

Type	Name	Description
System.Byte[]	ptr
System.Int32	start
System.Int32	end
System.Byte	value

GetPadding(Int32, Int32)

Get number of bytes required to pad to the specified multiple.

Declaration

public static int GetPadding(int length, int padMultiple)

Parameters

Type	Name	Description
System.Int32	length
System.Int32	padMultiple

Returns

Type	Description
System.Int32

IntersectWith(Rectangle, Rectangle)

Declaration

public static Rectangle IntersectWith(this Rectangle thisRect, Rectangle rect)

Parameters

Type	Name	Description
Rectangle	thisRect
Rectangle	rect

Returns

Type	Description
Rectangle

Invert(Byte[], Int32, Int32)

Declaration

public static void Invert(byte[] ptr, int ptrStart, int ptrEnd)

Parameters

Type	Name	Description
System.Byte[]	ptr
System.Int32	ptrStart
System.Int32	ptrEnd

MinChannelCount(PsdColorMode)

Declaration

public static short MinChannelCount(this PsdColorMode colorMode)

Parameters

Type	Name	Description
PsdColorMode	colorMode

Returns

Type	Description
System.Int16

RoundUp(Int32, Int32)

Round the integer to a multiple.

Declaration

public static int RoundUp(int value, int multiple)

Parameters

Type	Name	Description
System.Int32	value
System.Int32	multiple

Returns

Type	Description
System.Int32

SwapByteArray(Int32, Byte[], Int32, Int32)

Declaration

public static void SwapByteArray(int bitDepth, byte[] byteArray, int startIdx, int count)

Parameters

Type	Name	Description
System.Int32	bitDepth
System.Byte[]	byteArray
System.Int32	startIdx
System.Int32	count

SwapByteArray2(Byte[], Int32, Int32)

Reverses the endianness of 2-byte words in a byte array.

Declaration

public static void SwapByteArray2(byte[] byteArray, int startIdx, int count)

Parameters

Type	Name	Description
System.Byte[]	byteArray	Byte array containing the sequence on which to swap endianness
System.Int32	startIdx	Byte index of the first word to swap
System.Int32	count	Number of words to swap

SwapByteArray4(Byte[], Int32, Int32)

Reverses the endianness of 4-byte words in a byte array.

Declaration

public static void SwapByteArray4(byte[] byteArray, int startIdx, int count)

Parameters

Type	Name	Description
System.Byte[]	byteArray	Byte array containing the sequence on which to swap endianness
System.Int32	startIdx	Byte index of the first word to swap
System.Int32	count	Number of words to swap

SwapBytes(Byte[], Int32, Int32)

Reverses the endianness of a word of arbitrary length.

Declaration

public static void SwapBytes(byte[] ptr, int start, int nLength)

Parameters

Type	Name	Description
System.Byte[]	ptr
System.Int32	start
System.Int32	nLength

SwapBytes2(Byte[], Int32)

Reverses the endianness of a 2-byte word.

Declaration

public static void SwapBytes2(byte[] ptr, int start)

Parameters

Type	Name	Description
System.Byte[]	ptr
System.Int32	start

SwapBytes4(Byte[], Int32)

Reverses the endianness of a 4-byte word.

Declaration

public static void SwapBytes4(byte[] ptr, int start)

Parameters

Type	Name	Description
System.Byte[]	ptr
System.Int32	start