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/*
Copyright 2006 Jerry Huxtable
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.jhlabs.image;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
public class MirrorFilter extends AbstractBufferedImageOp {
private float opacity = 1.0f;
private float centreY = 0.5f;
private float distance;
private float angle;
private float rotation;
private float gap;
public MirrorFilter() {
}
public void setAngle( float angle ) {
this.angle = angle;
}
public float getAngle() {
return angle;
}
public void setDistance( float distance ) {
this.distance = distance;
}
public float getDistance() {
return distance;
}
public void setRotation( float rotation ) {
this.rotation = rotation;
}
public float getRotation() {
return rotation;
}
public void setGap( float gap ) {
this.gap = gap;
}
public float getGap() {
return gap;
}
public void setOpacity( float opacity ) {
this.opacity = opacity;
}
public float getOpacity() {
return opacity;
}
public void setCentreY( float centreY ) {
this.centreY = centreY;
}
public float getCentreY() {
return centreY;
}
public BufferedImage filter( BufferedImage src, BufferedImage dst ) {
if ( dst == null )
dst = createCompatibleDestImage( src, null );
BufferedImage tsrc = src;
Shape clip;
int width = src.getWidth();
int height = src.getHeight();
int h = (int)(centreY * height);
int d = (int)(gap * height);
Graphics2D g = dst.createGraphics();
clip = g.getClip();
g.clipRect( 0, 0, width, h );
g.drawRenderedImage( src, null );
g.setClip( clip );
g.clipRect( 0, h+d, width, height-h-d );
g.translate( 0, 2*h+d );
g.scale( 1, -1 );
g.drawRenderedImage( src, null );
g.setPaint( new GradientPaint( 0, 0, new Color( 1.0f, 0.0f, 0.0f, 0.0f ), 0, h, new Color( 0.0f, 1.0f, 0.0f, opacity ) ) );
g.setComposite( AlphaComposite.getInstance( AlphaComposite.DST_IN ) );
g.fillRect( 0, 0, width, h );
g.setClip( clip );
g.dispose();
return dst;
}
public String toString() {
return "Effects/Mirror...";
}
}
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