/**

  * Copyright 2008 WebPhotos

  *

  * 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 net.sf.webphotos.util.legacy;

 import com.sun.image.codec.jpeg.*;

 import java.awt.*;

 import java.awt.image.*;

 import java.io.*;

 import javax.swing.ImageIcon;

 /**

  * Responsável pelas funções relacionadas a alterações de fotos. Armazena um

  * método para reajustar o tamanho da foto.

  *

  * @author Guilherme

  */

 public class Photo {

     /**

      * Redimensiona o tamanho da imagem, alterando o arquivo.

      *

      * @param original Nome do arquivo original.

      * @param resized Nome do arquivo redimensionado.

      * @param maxSize Tamanho máximo.

      */

     public static void resize(String original, String resized, int maxSize) {

         try {

             File originalFile = new File(original);

             ImageIcon ii = new ImageIcon(originalFile.getCanonicalPath());

             Image i = ii.getImage();

             Image resizedImage;

             int iWidth = i.getWidth(null);

             int iHeight = i.getHeight(null);

             if (iWidth > iHeight) {

                 resizedImage = i.getScaledInstance(maxSize, (maxSize * iHeight) / iWidth, Image.SCALE_SMOOTH);

             } else {

                 resizedImage = i.getScaledInstance((maxSize * iWidth) / iHeight, maxSize, Image.SCALE_SMOOTH);

             }

             // This code ensures that all the

             // pixels in the image are loaded.

             Image temp = new ImageIcon(resizedImage).getImage();

             // Create the buffered image.

             BufferedImage bufferedImage = new BufferedImage(temp.getWidth(null), temp.getHeight(null), BufferedImage.TYPE_INT_RGB);

             // Copy image to buffered image.

             Graphics g = bufferedImage.createGraphics();

             // Clear background and paint the image.

             g.setColor(Color.white);

             g.fillRect(0, 0, temp.getWidth(null), temp.getHeight(null));

             g.drawImage(temp, 0, 0, null);

             g.dispose();

             // sharpen

             float[] sharpenArray = {0, -1, 0, -1, 5, -1, 0, -1, 0};

             Kernel kernel = new Kernel(3, 3, sharpenArray);

             ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);

             bufferedImage = cOp.filter(bufferedImage, null);

             /* write the jpeg to a file */

             File file = new File(resized);

             FileOutputStream out = new FileOutputStream(file);

             /* encodes image as a JPEG data stream */

             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

             com.sun.image.codec.jpeg.JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bufferedImage);

             // writeParam = new JPEGImageWriteParam(null);

             // writeParam.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT);

             // writeParam.setProgressiveMode(JPEGImageWriteParam.MODE_DEFAULT);

             param.setQuality(0.7f, true);

             encoder.setJPEGEncodeParam(param);

             encoder.encode(bufferedImage);

         } catch (Exception e) {

             System.out.println(e.getMessage());

         }

     }

 }