Examples of com.lightcrafts.ui.toolkit.ShadowFactory

com.lightcrafts.ui.toolkit.ShadowFactory
actory = new ShadowFactory(); factory.setSize(10); factory.setOpacity(0.5f); factory.setColor(Color.GREEN); The default constructor provides the following default values:
- size: 5 pixels
- opacity: 50%
- color: Black
Shadow Quality

The factory provides two shadow generation algorithms: fast quality blur and high quality blur. You can select your preferred algorithm by setting the appropriate rendering hint:
```
 ShadowFactory factory = new ShadowFactory(); factory.setRenderingHint(ShadowFactory.KEY_BLUR_QUALITY, ShadowFactory.VALUE_BLUR_QUALITY_HIGH); 
```
The default rendering algorihtm is VALUE_BLUR_QUALITY_FAST.

The current implementation should provide the same quality with both algorithms but performances are guaranteed to be better (about 30 times faster) with the fast quality blur.

Generating a Shadow

A shadow is generated as a BufferedImage from another BufferedImage. Once the factory is set up, you must call {@link #createShadow} to actually generate the shadow:
```
 ShadowFactory factory = new ShadowFactory(); // factory setup BufferedImage shadow = factory.createShadow(bufferedImage); 
```
The resulting image is of type BufferedImage.TYPE_INT_ARGB. Both dimensions of this image are larger than original image's:
- new width = original width + 2 * shadow size
- new height = original height + 2 * shadow size
This must be taken into account when you need to create a drop shadow effect.

Properties Changes

This factory allows to register property change listeners with {@link #addPropertyChangeListener}. Listening to properties changes is very useful when you emebed the factory in a graphical component and give the API user the ability to access the factory. By listening to properties changes, you can easily repaint the component when needed.

Threading Issues

ShadowFactory is not guaranteed to be thread-safe.
@author Romain Guy @author Sebastien Petrucci

        Graphics g = image.getGraphics();
        g.setColor( new Color(0xff & systemColor[0], 0xff & systemColor[1], 0xff & systemColor[2]) );
        g.fillRect( 0, 0, size.width - 6, size.height - 6 );
        g.dispose();


        final ShadowFactory shadow = new ShadowFactory( 3, 1.0f, Color.gray );
        shadow.setRenderingHint(
            ShadowFactory.KEY_BLUR_QUALITY,
            ShadowFactory.VALUE_BLUR_QUALITY_HIGH
        );
        final BufferedImage shadowImage = shadow.createShadow( image );
        g = shadowImage.getGraphics();
        g.drawImage( image, 3, 2, null );
        g.dispose();


        graphics.drawImage( shadowImage, 0, 0, null );

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            imageG.setColor(new Color(components[0], components[1], components[2]));
            imageG.fillRect(0, 0, size.width-106, size.height-6);
            imageG.dispose();


            ShadowFactory shadow = new ShadowFactory(3, 1.0f, Color.gray);
            shadow.setRenderingHint(ShadowFactory.KEY_BLUR_QUALITY, ShadowFactory.VALUE_BLUR_QUALITY_HIGH);
            BufferedImage shadowImage = shadow.createShadow(image);
            imageG = shadowImage.getGraphics();
            imageG.drawImage(image, 3, 2, null);
            imageG.dispose();


            graphics.drawImage(shadowImage, minx + 110, (int) (miny + 12 + 6 * textHeight), null);

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        raster[1] = buf.getData(
            new Rectangle( THUMB_WIDTH / 2, 0, THUMB_WIDTH / 2, THUMB_HEIGHT )
        );
        raster[1] = raster[1].createTranslatedChild( 0, 0 );


        final ShadowFactory sf =
            new ShadowFactory( 4, 0.6F, THUMB_SHADOW_COLOR );
        sf.setRenderingHint(
            ShadowFactory.KEY_BLUR_QUALITY,
            ShadowFactory.VALUE_BLUR_QUALITY_HIGH
        );


        for ( int i = 0; i < 2; ++i ) {
            m_images[i] = new BufferedImage(
                buf.getColorModel(), (WritableRaster)raster[i], false, null
            );
            BufferedImage temp = sf.createShadow( m_images[i] );
            temp = temp.getSubimage(
                SHADOW_FUDGE_X,
                SHADOW_FUDGE_Y,
                temp.getWidth() - SHADOW_FUDGE_X,
                temp.getHeight() - SHADOW_FUDGE_Y

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Examples of com.lightcrafts.ui.toolkit.ShadowFactory

Shadow Quality

Generating a Shadow

Properties Changes

Threading Issues

Related Classes of com.lightcrafts.ui.toolkit.ShadowFactory