AbstractCanvas (QR Bill Generator ${version})

java.lang.Object
- net.codecrete.qrbill.canvas.AbstractCanvas

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Canvas

Direct Known Subclasses:

PDFCanvas, PNGCanvas, SVGCanvas
```
public abstract class AbstractCanvas
extends java.lang.Object
implements Canvas
```
Abstract base class for simplified implementation of Canvas classes.

Field Summary

Fields
Modifier and Type Field Description

protected static double MM_TO_PT

Constructor Summary

Constructors
Constructor Description

AbstractCanvas()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`putTextLines(java.lang.String[] lines, double x, double y, int fontSize, double leading)`	Adds several lines of text to the graphics.

Methods inherited from interface net.codecrete.qrbill.canvas.Canvas
addRectangle, fillPath, getResult, lineTo, moveTo, putText, setTransformation, setupPage, startPath, strokePath

Methods inherited from interface java.io.Closeable
close

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MM_TO_PT
```
protected static final double MM_TO_PT
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - AbstractCanvas
```
public AbstractCanvas()
```
- Method Detail
  - putTextLines
```
public void putTextLines(java.lang.String[] lines,
                         double x,
                         double y,
                         int fontSize,
                         double leading)
                  throws java.io.IOException
```
    Description copied from interface: Canvas
    
    Adds several lines of text to the graphics.
    The text position refers to the left most point on the baseline of the first text line. Additional lines then follow below.
    
    Specified by:
    
    putTextLines in interface Canvas
    
    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)
    
    leading - additional vertical space between text lines (in mm)
    
    Throws:
    
    java.io.IOException - thrown if the graphics cannot be generated