Class MemStorage

Represents a growing memory storage.

Inheritance

Object

CVHandle

MemStorage

Namespace: OpenCV.Net

Assembly: OpenCV.Net.dll

Syntax

public class MemStorage : CVHandle

Constructors

MemStorage()

Initializes a new instance of the MemStorage class.

Declaration

public MemStorage()

MemStorage(MemStorage)

Initializes a new instance of the MemStorage class that will borrow its memory blocks from the specified parent storage.

Declaration

public MemStorage(MemStorage parent)

Parameters

Type	Name	Description
MemStorage	parent	The parent memory storage.

MemStorage(Int32)

Initializes a new instance of the MemStorage class with the specified blockSize.

Declaration

public MemStorage(int blockSize)

Parameters

Type	Name	Description
Int32	blockSize	The size of storage blocks, in bytes.

Methods

Alloc(UIntPtr)

Allocates a memory buffer in a storage block.

Declaration

public IntPtr Alloc(UIntPtr size)

Parameters

Type	Name	Description
UIntPtr	size	The size of the memory block, in bytes.

Returns

Type	Description
IntPtr	A pointer to the newly allocated memory block.

AllocString(String)

Allocates a text string in a storage block.

Declaration

public IntPtr AllocString(string value)

Parameters

Type	Name	Description
String	value	The string to be copied to the storage.

Returns

Type	Description
IntPtr	The pointer to the copy of the string in storage.

Clear()

Clears the memory storage. If the storage has a parent, the method returns all memory blocks to the parent.

Declaration

public void Clear()

ReleaseHandle()

Executes the code required to free the native MemStorage handle.

Declaration

protected override bool ReleaseHandle()

Returns

Type	Description
Boolean	true if the handle is released successfully; otherwise, in the event of a catastrophic failure, false.

RestorePosition(MemStoragePos)

Restores the memory storage position.

Declaration

public void RestorePosition(MemStoragePos pos)

Parameters

Type	Name	Description
MemStoragePos	pos	The new position of the storage top.

SavePosition()

Saves the memory storage position.

Declaration

public MemStoragePos SavePosition()

Returns

Type	Description
MemStoragePos	The current position of the storage top.