Writer (PlantUML 1.2022.8 API)

All Known Implementing Classes:

QRCodeWriter
```
public interface Writer
```
The base class for all objects which encode/generate a barcode image.

Author:

[email protected] (Daniel Switkin)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`BitMatrix`	`encode(String contents, BarcodeFormat format, int multiple)`	Encode a barcode using the default settings.
`BitMatrix`	`encode(String contents, BarcodeFormat format, int multiple, Hashtable hints)`

- Method Detail
  - encode
```
BitMatrix encode(String contents,
                 BarcodeFormat format,
                 int multiple)
          throws WriterException
```
    Encode a barcode using the default settings.
    
    Parameters:
    
    contents - The contents to encode in the barcode
    
    format - The barcode format to generate
    
    Returns:
    
    The generated barcode as a Matrix of unsigned bytes (0 == black, 255 == white)
    
    Throws:
    
    WriterException
  - encode
```
BitMatrix encode(String contents,
                 BarcodeFormat format,
                 int multiple,
                 Hashtable hints)
          throws WriterException
```
    Parameters:
    
    contents - The contents to encode in the barcode
    
    format - The barcode format to generate
    
    hints - Additional parameters to supply to the encoder
    
    Returns:
    
    The generated barcode as a Matrix of unsigned bytes (0 == black, 255 == white)
    
    Throws:
    
    WriterException