package org.newdawn.slick.font.effects;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import org.newdawn.slick.UnicodeFont;
import org.newdawn.slick.font.Glyph;
/**
* Applys a {@link BufferedImageOp} filter to glyphs. Many filters can be found
* here: http://www.jhlabs.com/ip/filters/index.html
*
* @author Nathan Sweet <misc@n4te.com>
*/
public class FilterEffect implements Effect {
/** The filter to be applied */
private BufferedImageOp filter;
/**
* Default constructor for injection
*/
public FilterEffect () {
}
/**
* Create a new filtering effect based on a convolution operation
*
* @param filter The filter to apply
*/
public FilterEffect (BufferedImageOp filter) {
this.filter = filter;
}
/**
* @see org.newdawn.slick.font.effects.Effect#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, org.newdawn.slick.UnicodeFont, org.newdawn.slick.font.Glyph)
*/
public void draw(BufferedImage image, Graphics2D g, UnicodeFont unicodeFont, Glyph glyph) {
BufferedImage scratchImage = EffectUtil.getScratchImage();
filter.filter(image, scratchImage);
image.getGraphics().drawImage(scratchImage, 0, 0, null);
}
/**
* Get the filter being applied by this effect
*
* @return The filter being applied by this effect
*/
public BufferedImageOp getFilter() {
return filter;
}
/**
* Set the filter being applied by this effect
*
* @param filter The filter being used by this effect
*/
public void setFilter(BufferedImageOp filter) {
this.filter = filter;
}
}