Package org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.driver

Interface PrinterDriver

All Known Implementing Classes:

AbstractEpsonPrinterDriver, Epson24PinPrinterDriver, Epson9PinPrinterDriver, IBMCompatiblePrinterDriver, TextFilePrinterDriver

public interface PrinterDriver

Method Summary

Modifier and Type	Method	Description
void	endLine(boolean overflow)	Ends a new line.
void	endPage(boolean overflow)	Ends the current page.
void	flush()	Flushes the output stream.
float	getCharactersPerInch()	Gets the default character width in CPI.
float	getLinesPerInch()	Gets the default line height.
void	printChunk(PlaintextDataChunk chunk)	Prints a single text chunk at the given position on the current line.
void	printEmptyChunk(int count)	Prints an empty chunk.
void	printRaw(byte[] out)	Prints some raw content.
void	startLine()	Starts a new line.
void	startPage(Paper paper, String encoding)	Resets the printer and starts a new page.

Method Detail

getCharactersPerInch

float getCharactersPerInch()

Gets the default character width in CPI.

Returns:

the default character width in CPI.

getLinesPerInch

float getLinesPerInch()

Gets the default line height.

Returns:

the default line height.

startPage

void startPage(Paper paper,
               String encoding)
        throws IOException

Resets the printer and starts a new page. Prints the top border lines (if necessary).

Throws:

IOException - if there was an IOError while writing the command

endPage

void endPage(boolean overflow)
      throws IOException

Ends the current page. Should print empty lines or an FORM_FEED command.

Parameters:

overflow -

Throws:

IOException - if there was an IOError while writing the command

startLine

void startLine()
        throws IOException

Starts a new line.

Throws:

IOException - if an IOError occures.

endLine

void endLine(boolean overflow)
      throws IOException

Ends a new line.

Parameters:

overflow -

Throws:

IOException - if an IOError occures.

printChunk

void printChunk(PlaintextDataChunk chunk)
         throws IOException

Prints a single text chunk at the given position on the current line. The chunk should not be printed, if an previous chunk overlays this chunk.

Parameters:

chunk - the chunk that should be written

Throws:

IOException - if an IO error occured.

printEmptyChunk

void printEmptyChunk(int count)
              throws IOException

Prints an empty chunk. This is called for all undefined chunk-cells. The last defined font is used to print that empty text.

Throws:

IOException - if an IOError occured.

flush

void flush()
    throws IOException

Flushes the output stream.

Throws:

IOException - if an IOError occured.

printRaw

void printRaw(byte[] out)
       throws IOException

Prints some raw content. This content is not processed in any way, so be very carefull.

Parameters:

out - the content that should be printed.

Throws:

IOException