# TK_Size

## Functions

| `TK_Size`
`TK_Status` | `Read`
`TK_Status` | `Write`
`TK_Status` | `Clone`
`TK_Status` | `ReadAscii`
`TK_Status` | `WriteAscii`
void | `SetSize`
float | `GetSize`
int | `GetUnits`

## Detailed Description

class `TK_Size` : public BBaseOpcodeHandler

  TK_Size provides support for writing/reading opcode objects which represent a single value representing a scale or size, possibly including a specification of the reference system. This includes opcodes such as TKE_Line_Weight, TKE_Edge_Weight, TKE_Marker_Size and TKE_Text_Spacing

  Subclassed by HTK_Size

  Public Functions

  inline `TK_Size`(unsigned char opcode)

    constructor

  virtual TK_Status `Read`(BStreamFileToolkit &tk)

    Reads data from the toolkit buffer, decodes/decompresses it, and maps it to the opcode handlers data members. User-defined classes which need to write out custom data should utilize one of the available GetData() methods.

    Parameters: | tk – A reference to the BStreamFileToolkit object.
    Returns: | The result of the function call.

  virtual TK_Status `Write`(BStreamFileToolkit &tk)

    Encodes/compresses data and writes data to the toolkit buffer. User-defined classes which need to write out custom data should utilize one of the available PutData() methods, and first write out the opcode associated with the group of binary data followed by the data itself.

    Parameters: | tk – A reference to the BStreamFileToolkit object.
    Returns: | The result of the function call.

  virtual TK_Status `Clone`(BStreamFileToolkit &tk, BBaseOpcodeHandler **handler) const

    Copies the opcode handler

    Parameters: | tk – A reference to the BStreamFileToolkit object. handler – A pointer to the opcode handler object. Passed by reference.
    Returns: | The result of the function call.

  TK_Status `ReadAscii`(BStreamFileToolkit &tk)

    Deprecated.

  TK_Status `WriteAscii`(BStreamFileToolkit &tk)

    Deprecated.

  inline void `SetSize`(float value, int units = TKO_Generic_Size_Unspecified)

    Sets the size value & units (value may not be negative, units only meaningful if positive)

  inline float `GetSize`() const

    Returns the size value

  inline int `GetUnits`() const

    Returns the size value

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