ITcVnImageBase

Base interface for all image types.

Inheritance Hierarchy

ITcUnknown
ITcVnImageBase

Methods

Name	Origin	Description
TcAddRef	ITcUnknown	Increments the reference counter.
TcQueryInterface	ITcUnknown	Get a reference to an implemented interface.
TcRelease	ITcUnknown	Decrements the reference counter.
GetImageData	ITcVnImageBase	Gets the data interface (Do not explicitly free the pointer in there!).
GetImageSize	ITcVnImageBase	Gets the image size.
GetWidth	ITcVnImageBase	Gets the image width (alternatively use F_VN_GetImageWidth).
GetHeight	ITcVnImageBase	Gets the image height (alternatively use F_VN_GetImageHeight).
GetXPadding	ITcVnImageBase	Gets the horizontal padding.
GetYPadding	ITcVnImageBase	Gets the vertical padding.
GetPixelFormat	ITcVnImageBase	Gets the pixel format (alternatively use F_VN_GetPixelFormat).
GetImageInfo	ITcVnImageBase	Gets a struct containing all common meta infos of the image. This basically encompasses all meta information accessible via this interface. (Alternatively use F_VN_GetImageInfo.)

Further information

The interface ITcVnImageBase is used for internal purposes and is not normally needed by the user.

For handling images use the ITcVnImage interface instead.

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1. 4024.44 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision

Further Information