/*
JWildfire - an image and animation processor written in Java
Copyright (C) 1995-2011 Andreas Maschke
This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this software;
if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.transform;
import java.awt.image.BufferedImage;
import org.jwildfire.image.Pixel;
import org.jwildfire.image.SimpleImage;
import org.jwildfire.image.WFImage;
import org.jwildfire.swing.Buffer.BufferType;
public abstract class PixelTransformer extends Transformer {
protected abstract void transformPixel(Pixel pPixel, int pX, int pY, int pImageWidth,
int pImageHeight);
@Override
public boolean acceptsInputBufferType(BufferType pBufferType) {
return pBufferType == BufferType.IMAGE;
}
protected void performImageTransformation(WFImage pImg) {
SimpleImage img = (SimpleImage) pImg;
final int BLOCK_SIZE = 64;
final int imageWidth = pImg.getImageWidth();
final int imageHeight = pImg.getImageHeight();
final BufferedImage bufferedImg = img.getBufferedImg();
final int[] pixels = new int[imageWidth * BLOCK_SIZE];
final Pixel p = new Pixel();
for (int b = 0; b < imageHeight; b += BLOCK_SIZE) {
int blockSize = BLOCK_SIZE;
int currHeight = b + BLOCK_SIZE;
if (currHeight > imageHeight) {
blockSize -= (currHeight - imageHeight);
}
bufferedImg.getRGB(0, b, imageWidth, blockSize, pixels, 0, imageWidth);
for (int y = 0; y < blockSize; y++) {
for (int x = 0; x < imageWidth; x++) {
p.setARGBValue(pixels[y * imageWidth + x]);
transformPixel(p, x, y + b, imageWidth, imageHeight);
pixels[y * imageWidth + x] = p.getARGBValue();
}
}
bufferedImg.setRGB(0, b, imageWidth, blockSize, pixels, 0, imageWidth);
}
}
@Override
public boolean supports3DOutput() {
return false;
}
}