OverlayRenderer (BigDataViewer Core 10.6.11 API)

All Known Implementing Classes:

BdvOverlay, BufferedImageOverlayRenderer, DebugTilingOverlay, PointsOverlay, RecordMaxProjectionDialog, RecordMovieDialog, TransformedBoxOverlay, ViewerPanel
```
public interface OverlayRenderer
```
Draw something to a Graphics canvas and receive notifications about changes of the canvas size.

Author:

Tobias Pietzsch

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`drawOverlays(Graphics g)`	Render overlays.
`default void`	`setCanvasSize(int width, int height)`	This is called, when the screen size of the canvas (the component displaying the image and generating mouse events) changes.

- Method Detail
  - drawOverlays
```
void drawOverlays(Graphics g)
```
    Render overlays.
  - setCanvasSize
```
default void setCanvasSize(int width,
                           int height)
```
    This is called, when the screen size of the canvas (the component displaying the image and generating mouse events) changes. This can be used to determine scale of overlay or screen coordinates relative to the border.
    
    Parameters:
    
    width - the new canvas width.
    
    height - the new canvas height.