Writer

All Known Implementing Classes:

AztecWriter, CodaBarWriter, Code128Writer, Code39Writer, Code93Writer, DataMatrixWriter, EAN13Writer, EAN8Writer, ITFWriter, MultiFormatWriter, OneDimensionalCodeWriter, PDF417Writer, QRCodeWriter, UPCAWriter, UPCEANWriter, UPCEWriter
```
public interface Writer
```
The base class for all objects which encode/generate a barcode image.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`BitMatrix`	`encode(java.lang.String contents, BarcodeFormat format, int width, int height)`	Encode a barcode using the default settings.
`BitMatrix`	`encode(java.lang.String contents, BarcodeFormat format, int width, int height, java.util.Map<EncodeHintType,?> hints)`

- Method Detail
  - encode
```
BitMatrix encode(java.lang.String contents,
                 BarcodeFormat format,
                 int width,
                 int height)
          throws WriterException
```
    Encode a barcode using the default settings.
    
    Parameters:
    
    contents - The contents to encode in the barcode
    
    format - The barcode format to generate
    
    width - The preferred width in pixels
    
    height - The preferred height in pixels
    
    Returns:
    
    BitMatrix representing encoded barcode image
    
    Throws:
    
    WriterException - if contents cannot be encoded legally in a format
  - encode
```
BitMatrix encode(java.lang.String contents,
                 BarcodeFormat format,
                 int width,
                 int height,
                 java.util.Map<EncodeHintType,?> hints)
          throws WriterException
```
    Parameters:
    
    contents - The contents to encode in the barcode
    
    format - The barcode format to generate
    
    width - The preferred width in pixels
    
    height - The preferred height in pixels
    
    hints - Additional parameters to supply to the encoder
    
    Returns:
    
    BitMatrix representing encoded barcode image
    
    Throws:
    
    WriterException - if contents cannot be encoded legally in a format