12.1 GET_CODE128_PNG Function

This function generates a Code 128 barcode, configured according to the specified options, and returns a BLOB in PNG format.

Syntax

APEX_BARCODE.GET_CODE128_PNG (
    p_value             IN VARCHAR2,
    p_scale             IN NUMBER   DEFAULT c_default_scale,
    p_foreground_color  IN VARCHAR2 DEFAULT c_default_foreground_color,
    p_background_color  IN VARCHAR2 DEFAULT NULL )
    RETURN BLOB;

Parameters

Parameter Description
p_value Value to be encoded into the Code 128 barcode.
p_scale Makes the original PNG p_scale times larger (integer 1-10). Default 1. The original size is determined by the input length.
p_foreground_color Foreground color. Must be in hex code. Default #000000.
p_background_color Background color. Must be in hex code. Default null (transparent).

Returns

The Code 128 barcode PNG image file.

Example

The following example generates a PNG Code 128-type barcode file with specified scale, foreground color, and background color.

DECLARE
  l_output blob;
BEGIN
  l_output := apex_barcode.get_code128_png(
                  p_value            => 'apex.oracle.com',
                  p_scale            => 1,
                  p_foreground_color => '#4cd964',
                  p_background_color => '#c7c7cc' );

END;