HeadlessRenderer (MultimediaLib 2020.2 API)

java.lang.Object
- nl.colorize.multimedialib.renderer.AbstractRenderer
- - nl.colorize.multimedialib.renderer.java2d.Java2DRenderer
  - - nl.colorize.multimedialib.renderer.java2d.HeadlessRenderer

All Implemented Interfaces:

Renderer
```
public class HeadlessRenderer
extends Java2DRenderer
```
Headless implementation of a Java2DRenderer. This is primarily intended for testing purposes in environments where graphics are not available. Graphics are displayed on an image instead.

Constructor Summary

Constructors
Constructor Description

HeadlessRenderer(Canvas canvas, int framerate, WindowOptions windowOptions)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`blitGraphicsContext(java.awt.image.BufferStrategy windowBuffer)`	Updates the window graphics with the contents of the buffer.
`java.awt.image.BufferedImage`	`getImage()`
`protected javax.swing.JFrame`	`initializeWindow(WindowOptions windowOptions)`
`protected void`	`prepareCanvas()`
`protected java.awt.image.BufferStrategy`	`prepareWindowBuffer()`	Prepares the window buffer for the current frame.
`void`	`saveScreenshot(java.io.File dest)`

Methods inherited from class nl.colorize.multimedialib.renderer.java2d.Java2DRenderer
getApplicationData, getInputDevice, getInternetAccess, getMediaLoader, takeScreenshot, terminate

Methods inherited from class nl.colorize.multimedialib.renderer.AbstractRenderer
addRenderCallback, addUpdateCallback, getCanvas, getPlatform, notifyRenderCallbacks, notifyUpdateCallbacks

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

- Constructor Detail
  - HeadlessRenderer
```
public HeadlessRenderer(Canvas canvas,
                        int framerate,
                        WindowOptions windowOptions)
```
- Method Detail
  - initializeWindow
```
protected javax.swing.JFrame initializeWindow(WindowOptions windowOptions)
```
    Overrides:
    
    initializeWindow in class Java2DRenderer
  - prepareCanvas
```
protected void prepareCanvas()
```
    Overrides:
    
    prepareCanvas in class Java2DRenderer
  - prepareWindowBuffer
```
protected java.awt.image.BufferStrategy prepareWindowBuffer()
```
    Description copied from class: Java2DRenderer
    
    Prepares the window buffer for the current frame. This buffer will be used to display the graphics once the entire frame has been rendered.
    
    Overrides:
    
    prepareWindowBuffer in class Java2DRenderer
  - blitGraphicsContext
```
protected void blitGraphicsContext(java.awt.image.BufferStrategy windowBuffer)
```
    Description copied from class: Java2DRenderer
    
    Updates the window graphics with the contents of the buffer.
    
    Overrides:
    
    blitGraphicsContext in class Java2DRenderer
  - getImage
```
public java.awt.image.BufferedImage getImage()
```
  - saveScreenshot
```
public void saveScreenshot(java.io.File dest)
```