net.codecrete.qrbill.generator

Class PDFGenerator

java.lang.Object

net.codecrete.qrbill.generator.PDFGenerator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, GraphicsGenerator

public class PDFGenerator
extends java.lang.Object
implements GraphicsGenerator

Constructor Summary

Constructors

Constructor and Description
PDFGenerator(double width, double height)

Method Summary

Modifier and Type	Method and Description
void	addRectangle(double x, double y, double width, double height) Adds a rectangle to the path
void	close()
void	fillPath(int color) Fills the current path and ends it
byte[]	getResult() Returns the generated graphics as a byte array
void	lineTo(double x, double y) Adds a line segment to the open path from the previous point to the speicifed position.
void	moveTo(double x, double y) Moves the current point of the open path to the specified position.
int	putMultilineText(java.lang.String text, double x, double y, double maxWidth, int fontSize) Adds several lines of text to the graphics.
void	putText(java.lang.String text, double x, double y, int fontSize, boolean isBold) Adds text to the graphics.
void	putTextLines(java.lang.String[] lines, double x, double y, int fontSize) Adds several lines of text to the graphics.
void	setTransformation(double translateX, double translateY, double scale) Sets a translation and a scale factor for the subsequent operations
void	startPath() Starts a path that can be filled or stroked
void	strokePath(double strokeWidth, int color) Strokes the current path and ends it

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PDFGenerator

public PDFGenerator(double width,
                    double height)
             throws java.io.IOException

Throws:

java.io.IOException

Method Detail

setTransformation

public void setTransformation(double translateX,
                              double translateY,
                              double scale)
                       throws java.io.IOException

Description copied from interface: GraphicsGenerator

Sets a translation and a scale factor for the subsequent operations

Specified by:

setTransformation in interface GraphicsGenerator

Parameters:

translateX - translation in x direction (in mm)

translateY - translation in y direction (in mm)

scale - scale fator (1.0 = no scaling)

Throws:

java.io.IOException - thrown if the graphics cannot be generated

putText

public void putText(java.lang.String text,
                    double x,
                    double y,
                    int fontSize,
                    boolean isBold)
             throws java.io.IOException

Description copied from interface: GraphicsGenerator

Adds text to the graphics.

Specified by:

putText in interface GraphicsGenerator

Parameters:

text - the text

x - x position of the text's start (in mm)

y - y position of the text's top (in mm)

fontSize - the font size (in pt)

isBold - indicates if the text is in bold or regular weight

Throws:

java.io.IOException - thrown if the graphics cannot be generated

putMultilineText

public int putMultilineText(java.lang.String text,
                            double x,
                            double y,
                            double maxWidth,
                            int fontSize)
                     throws java.io.IOException

Description copied from interface: GraphicsGenerator

Adds several lines of text to the graphics.

The specified text is automatically broken into several lines if a text line would exceed the specified maximum length of a text line. Newlines can be used to force a line break.

Specified by:

putMultilineText in interface GraphicsGenerator

Parameters:

text - the text

x - x position of the text's start (in mm)

y - y position of the text's top (in mm)

maxWidth - maximum length of text line / width of text block (in mm)

fontSize - the font size (in pt)

Returns:

the number of text lines that were added

Throws:

java.io.IOException - thrown if the graphics cannot be generated

putTextLines

public void putTextLines(java.lang.String[] lines,
                         double x,
                         double y,
                         int fontSize)
                  throws java.io.IOException

Description copied from interface: GraphicsGenerator

Adds several lines of text to the graphics.

Specified by:

putTextLines in interface GraphicsGenerator

Parameters:

lines - the text lines

x - x position of the text's start (in mm)

y - y position of the text's top (in mm)

fontSize - the font size (in pt)

Throws:

java.io.IOException - thrown if the graphics cannot be generated

startPath

public void startPath()
               throws java.io.IOException

Description copied from interface: GraphicsGenerator

Starts a path that can be filled or stroked

Specified by:

startPath in interface GraphicsGenerator

Throws:

java.io.IOException - thrown if the graphics cannot be generated

moveTo

public void moveTo(double x,
                   double y)
            throws java.io.IOException

Description copied from interface: GraphicsGenerator

Moves the current point of the open path to the specified position.

Specified by:

moveTo in interface GraphicsGenerator

Parameters:

x - x-coordinate of position

y - y-coordinate of position

Throws:

java.io.IOException - thrown if the graphics cannot be generated

lineTo

public void lineTo(double x,
                   double y)
            throws java.io.IOException

Description copied from interface: GraphicsGenerator

Adds a line segment to the open path from the previous point to the speicifed position.

Specified by:

lineTo in interface GraphicsGenerator

Parameters:

x - x-coordinate of position

y - y-coordinate of position

Throws:

java.io.IOException - thrown if the graphics cannot be generated

addRectangle

public void addRectangle(double x,
                         double y,
                         double width,
                         double height)
                  throws java.io.IOException

Description copied from interface: GraphicsGenerator

Adds a rectangle to the path

Specified by:

addRectangle in interface GraphicsGenerator

Parameters:

x - the rectangle's left position (in mm)

y - the rectangle's top position (in mm)

width - the rectangle's width (in mm)

height - rectangle's height (in mm)

Throws:

java.io.IOException - thrown if the graphics cannot be generated

fillPath

public void fillPath(int color)
              throws java.io.IOException

Description copied from interface: GraphicsGenerator

Fills the current path and ends it

Specified by:

fillPath in interface GraphicsGenerator

Parameters:

color - the fill color (expressed similar to HTML, e.g. 0xffffff for white)

Throws:

java.io.IOException - thrown if the graphics cannot be generated

strokePath

public void strokePath(double strokeWidth,
                       int color)
                throws java.io.IOException

Description copied from interface: GraphicsGenerator

Strokes the current path and ends it

Specified by:

strokePath in interface GraphicsGenerator

Parameters:

strokeWidth - the stroke width (in pt)

color - the stroke color (expressed similar to HTML, e.g. 0xffffff for white)

Throws:

java.io.IOException - thrown if the graphics cannot be generated

getResult

public byte[] getResult()
                 throws java.io.IOException

Description copied from interface: GraphicsGenerator

Returns the generated graphics as a byte array

Specified by:

getResult in interface GraphicsGenerator

Returns:

the byte array

Throws:

java.io.IOException - thrown if the graphics cannot be generated

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException