org.imajine.image.jai.PadPeriodicPlanarJAIOp Maven / Gradle / Ivy

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/***********************************************************************************************************************
 *
 * Mistral - open source imaging engine
 * Copyright (C) 2003-2012 by Tidalwave s.a.s.
 *
 ***********************************************************************************************************************
 *
 * 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.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://mistral.imajine.org
 * SCM: https://bitbucket.org/tidalwave/mistral-src
 *
 **********************************************************************************************************************/
package org.imajine.image.jai;

import java.awt.image.renderable.ParameterBlock;
import javax.media.jai.PlanarImage;
import javax.media.jai.BorderExtender;
import javax.media.jai.JAI;
import javax.media.jai.RenderedOp;
import org.imajine.image.EditableImage;
import org.imajine.image.op.OperationImplementation;
import org.imajine.image.op.PadPeriodicPlanarOp;
import lombok.extern.slf4j.Slf4j;

/***********************************************************************************************************************
 *
 * @author  Emmanuele Sordini
 * @author  Fabrizio Giudici
 * @version $Id: PadPeriodicPlanarJAIOp.java,v 20e39e8c9fac 2012/02/02 16:35:02 fabrizio $
 *
 **********************************************************************************************************************/
@Slf4j
public class PadPeriodicPlanarJAIOp extends OperationImplementation
  {
    @Override
    protected PlanarImage execute (PadPeriodicPlanarOp operation, final EditableImage image, PlanarImage planarImage)
      {
        /*
        int oldWidth = planarImage.getData().getWidth();
        int oldHeight = planarImage.getData().getHeight();

        int newWidth = JAIUtils.closestPower2Size(oldWidth);
        int newHeight = JAIUtils.closestPower2Size(oldHeight);
        int padx = (newWidth - oldWidth) / 2;
        int pady = (newHeight - oldHeight) / 2;

        // ADD TRANSLATE

        ParameterBlock pb = new ParameterBlock();
        pb.addSource(planarImage);
        pb.add(padx);
        pb.add(padx);
        pb.add(pady);
        pb.add(pady);
        pb.add(BorderExtender.createInstance(BorderExtender.BORDER_WRAP));
        RenderedOp border = JAI.create("border", pb);

        ImageLayout il = new ImageLayout();
        il.setMinX(0);
        il.setMinY(0);
        il.setWidth(newWidth);
        il.setHeight(newHeight);
        il.setTileGridXOffset(0);
        il.setTileGridYOffset(0);
        il.setTileHeight(newWidth);
        il.setTileWidth(newHeight);
        RenderingHints hints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, il);

        pb = new ParameterBlock();
        pb.addSource(border);

        planarImage = JAI.create("null", pb, hints);*/
        ParameterBlock pb = new ParameterBlock();
        int oldWidth = planarImage.getData().getWidth();
        int oldHeight = planarImage.getData().getHeight();

        int newWidth = JAIUtils.closestPower2Size(oldWidth);
        int newHeight = JAIUtils.closestPower2Size(oldHeight);
        int padx = (newWidth - oldWidth) / 2;
        int pady = (newHeight - oldHeight) / 2;

        pb.addSource(planarImage);
        pb.add((float)padx);
        pb.add((float)pady);

        RenderedOp trans = JAI.create("translate", pb);

        pb = new ParameterBlock();
        pb.addSource(trans);
        pb.add(padx);
        pb.add(padx);
        pb.add(pady);
        pb.add(pady);
        pb.add(BorderExtender.createInstance(BorderExtender.BORDER_WRAP));
        planarImage = JAI.create("border", pb);

        JAIUtils.logImage(log, ">>>> PadPeriodicPlanarOp returning", planarImage);

        return planarImage;
      }
  }