Package org.pentaho.di.core

Class SwingUniversalImage

java.lang.Object

org.pentaho.di.core.SwingUniversalImage

Direct Known Subclasses:

SwingUniversalImageBitmap, SwingUniversalImageSvg

public abstract class SwingUniversalImage
extends Object

Universal image storage for Swing processing. It contains SVG or bitmap image depends on file and settings.

Constructor Summary

Constructors

Constructor	Description
SwingUniversalImage()

Method Summary

Modifier and Type	Method	Description
static BufferedImage	createBitmap(int width, int height)	Create bitmap with specified size and full colorspace.
static BufferedImage	createDoubleBitmap(int width, int height)	Create bitmap with double of specified size and full colorspace.
static Graphics2D	createGraphics(BufferedImage area)	Create Graphics2D for specified bitmap with rendering hints.
void	drawToGraphics(Graphics2D gc, int locationX, int locationY, int width, int height)
void	drawToGraphics(Graphics2D gc, int centerX, int centerY, int width, int height, double angleRadians)
BufferedImage	getAsBitmapForSize(int width, int height)	Get scaled image.
BufferedImage	getAsBitmapForSize(int width, int height, double angleRadians)	Draw rotated image on double canvas size.
abstract boolean	isBitmap()
protected abstract void	render(Graphics2D gc, int centerX, int centerY, int width, int height, double angleRadians)	Render with scale, at specified position, with possible rotation.
protected abstract void	renderSimple(BufferedImage area)	Just scale for area's size.

Methods inherited from class java.lang.Object

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

Constructor Detail

SwingUniversalImage

public SwingUniversalImage()

Method Detail

isBitmap

public abstract boolean isBitmap()

renderSimple

protected abstract void renderSimple(BufferedImage area)

Just scale for area's size.

render

protected abstract void render(Graphics2D gc,
                               int centerX,
                               int centerY,
                               int width,
                               int height,
                               double angleRadians)

Render with scale, at specified position, with possible rotation.

getAsBitmapForSize

public BufferedImage getAsBitmapForSize(int width,
                                        int height)

Get scaled image.

getAsBitmapForSize

public BufferedImage getAsBitmapForSize(int width,
                                        int height,
                                        double angleRadians)

Draw rotated image on double canvas size. It required against lost corners on rotate.

drawToGraphics

public void drawToGraphics(Graphics2D gc,
                           int locationX,
                           int locationY,
                           int width,
                           int height)

drawToGraphics

public void drawToGraphics(Graphics2D gc,
                           int centerX,
                           int centerY,
                           int width,
                           int height,
                           double angleRadians)

createBitmap

public static BufferedImage createBitmap(int width,
                                         int height)

Create bitmap with specified size and full colorspace.

createDoubleBitmap

public static BufferedImage createDoubleBitmap(int width,
                                               int height)

Create bitmap with double of specified size and full colorspace. Used for rotated images.

createGraphics

public static Graphics2D createGraphics(BufferedImage area)

Create Graphics2D for specified bitmap with rendering hints.