Class: C128AObject

This article desrcibes the class C128AObject which extends the class BarcodeObject It is contained in the module tcpdf in the package TextLayout Tools

The class is defined in the file: modules/tcpdf/tcpdf/barcode/c128aobject.php

Code 128-A Barcode Render Class for PHP using the GD graphics library.

Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.

@author Karim Mribti, Nicola Asuni

@name BarcodeObject

@package com.tecnick.tcpdf

@version 0.0.8a 2001-04-01 (original code)

@since 2001-03-25

@license http://www.gnu.org/copyleft/lesser.html LGPL

Code 128-A Barcode Render Class for PHP using the GD graphics library.

Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.

@author Karim Mribti, Nicola Asuni

@name BarcodeObject

@package com.tecnick.tcpdf

@version 0.0.8a 2001-04-01 (original code)

@since 2001-03-25

@license http://www.gnu.org/copyleft/lesser.html LGPL

Methods

DrawCheckChar()

Draws the check-char code.

• Signature: private function DrawCheckChar($DrawPos,$yPos,$ySize,$xres)
• Returns: int drawing position.

@access private Parameters:

• int $DrawPos
  Drawing position.
• int $yPos
  Vertical position.
• int $ySize
  Vertical size.
• int $xres
  Horizontal resolution.

DrawObject()

Draws the barcode object.

• Signature: public function DrawObject($xres)
• Returns: bool true in case of success.

Parameters:

• int $xres
  Horizontal resolution.

DrawStart()

Draws the start code.

• Signature: private function DrawStart($DrawPos,$yPos,$ySize,$xres)
• Returns: int drawing position.

@access private Parameters:

• int $DrawPos
  Drawing position.
• int $yPos
  Vertical position.
• int $ySize
  Vertical size.
• int $xres
  Horizontal resolution.

DrawStop()

Draws the stop code.

• Signature: private function DrawStop($DrawPos,$yPos,$ySize,$xres)
• Returns: int drawing position.

@access private Parameters:

• int $DrawPos
  Drawing position.
• int $yPos
  Vertical position.
• int $ySize
  Vertical size.
• int $xres
  Horizontal resolution.

GetBarSize()

Returns the bar size.

• Signature: private function GetBarSize($xres,$char)
• Returns: int barcode size.

@access private Parameters:

• int $xres
  Horizontal resolution.
• char $char
  Character.

GetCharIndex()

Returns the character index.

• Signature: private function GetCharIndex($char)
• Returns: int character index or -1 in case of error.

@access private Parameters:

• char $char
  character.

GetCheckCharValue()

Returns the check-char value.

• Signature: private function GetCheckCharValue()
• Returns: string.

@access private

GetSize()

Returns barcode size.

• Signature: private function GetSize($xres)
• Returns: barcode size.

@access private Parameters:

• int $xres
  Horizontal resolution.

__construct()

Class Constructor.

• Signature: public function __construct($Width,$Height,$Style,$Value)

Parameters:

• int $Width
  Image width in pixels.
• int $Height
  Image height in pixels.
• int $Style
  Barcode style.
• int $Value
  value to print on barcode.