Package com.storedobject.vaadin

Class PaintedImageResource

java.lang.Object

com.vaadin.flow.server.AbstractStreamResource

com.vaadin.flow.server.StreamResource

com.storedobject.vaadin.PaintedImageResource

All Implemented Interfaces:

Serializable

public class PaintedImageResource
extends com.vaadin.flow.server.StreamResource

Create an image resource from an AWT image painted on a Graphics2D.

Author:

Syam

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PaintedImageResource()	Create a 100x100 pixels SVG image resource.
PaintedImageResource(int widthInPixels, int heightInPixels)	Create an image resource.
PaintedImageResource(PaintedImage.Type type)	Create a 100x100 pixels image resource.
PaintedImageResource(PaintedImage.Type imageType, int widthInPixels, int heightInPixels)	Create an image resource.
PaintedImageResource(PaintedImage.Type type, Consumer<Graphics2D> painter)	Create a 100x100 pixels image resource.
PaintedImageResource(PaintedImage.Type imageType, Consumer<Graphics2D> painter, int widthInPixels, int heightInPixels)	Create an image resource.
PaintedImageResource(Consumer<Graphics2D> painter)	Create a 100x100 pixels SVG image resource.
PaintedImageResource(Consumer<Graphics2D> painter, int widthInPixels, int heightInPixels)	Create an image resource.

Method Summary

Modifier and Type	Method	Description
static String	createBaseFileName()	Create a base file name for the image.
void	paint(Graphics2D graphics)	Paint the image to the Graphics2D.

Methods inherited from class com.vaadin.flow.server.StreamResource

getContentTypeResolver, getHeader, getHeaders, getName, getWriter, setContentType, setContentTypeResolver, setHeader

Methods inherited from class com.vaadin.flow.server.AbstractStreamResource

getCacheTime, getId, setCacheTime

Methods inherited from class java.lang.Object

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

Constructor Details

PaintedImageResource

public PaintedImageResource()

Create a 100x100 pixels SVG image resource.

PaintedImageResource

public PaintedImageResource(PaintedImage.Type type)

Create a 100x100 pixels image resource.

Parameters:

type - Type of image to create.

PaintedImageResource

public PaintedImageResource(int widthInPixels,
 int heightInPixels)

Create an image resource.

Parameters:

widthInPixels - Image width in pixels

heightInPixels - Image height in pixels

PaintedImageResource

public PaintedImageResource(PaintedImage.Type imageType,
 int widthInPixels,
 int heightInPixels)

Create an image resource.

Parameters:

imageType - Type of the image to create

widthInPixels - Image width in pixels

heightInPixels - Image height in pixels

PaintedImageResource

public PaintedImageResource(Consumer<Graphics2D> painter)

Create a 100x100 pixels SVG image resource.

Parameters:

painter - Image painter

PaintedImageResource

public PaintedImageResource(PaintedImage.Type type,
 Consumer<Graphics2D> painter)

Create a 100x100 pixels image resource.

Parameters:

type - Type of image to create.

painter - Image painter

PaintedImageResource

public PaintedImageResource(Consumer<Graphics2D> painter,
 int widthInPixels,
 int heightInPixels)

Create an image resource.

Parameters:

painter - Image painter

widthInPixels - Image width in pixels

heightInPixels - Image height in pixels

PaintedImageResource

public PaintedImageResource(PaintedImage.Type imageType,
 Consumer<Graphics2D> painter,
 int widthInPixels,
 int heightInPixels)

Create an image resource.

Parameters:

imageType - Type of the image to create

painter - Image painter

widthInPixels - Image width in pixels

heightInPixels - Image height in pixels

Method Details

paint

public void paint(Graphics2D graphics)

Paint the image to the Graphics2D. if there is a painter already set, that will be invoked to do the painting.

Parameters:

graphics - Graphics2D on which image needs to be drawn

createBaseFileName

public static String createBaseFileName()

Create a base file name for the image.

Returns:

Base file name (without extension).