+++ /dev/null
-/*
- * Copyright (C) 2001, 2002 The Mir-coders group
- *
- * This file is part of Mir.
- *
- * Mir is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Mir 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mir; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with any library licensed under the Apache Software License,
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
- * (or with modified versions of the above that use the same license as the above),
- * and distribute linked combinations including the two. You must obey the
- * GNU General Public License in all respects for all of the code used other than
- * the above mentioned libraries. If you modify this file, you may extend this
- * exception to your version of the file, but you are not obligated to do so.
- * If you do not wish to do so, delete this exception statement from your version.
- */
-
-package mircoders.media;
-
-import java.awt.RenderingHints;
-import java.awt.image.ColorModel;
-import java.awt.image.DataBuffer;
-import java.awt.image.PixelInterleavedSampleModel;
-import java.awt.image.RenderedImage;
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-import javax.media.jai.ImageLayout;
-import javax.media.jai.InterpolationBilinear;
-import javax.media.jai.JAI;
-import javax.media.jai.ParameterBlockJAI;
-
-import mir.log.LoggerWrapper;
-
-import com.sun.media.jai.codec.ByteArraySeekableStream;
-import com.sun.media.jai.codec.FileSeekableStream;
-import com.sun.media.jai.codec.SeekableStream;
-
-/**
- *
- * <p>Title: Image processor</p>
- * <p>Description: Temporary image processor class. (Made for the immediate needs of CMI brasil.
- * Will become obsolete when mh's media handler rewrite is finished. </p>
- * @author Zapata
- * @version 1.0
- */
-
-public class ImageProcessor {
- static final LoggerWrapper logger = new LoggerWrapper("media");
-
- private RenderedImage image;
- private RenderedImage scaledImage;
-
- public ImageProcessor(RenderedImage anImage) throws IOException {
- image = anImage;
- scaledImage = anImage;
- }
-
- public ImageProcessor(SeekableStream anImageStream) throws IOException {
- RenderedImage tempImage = JAI.create("stream", anImageStream);
- ParameterBlockJAI params = new ParameterBlockJAI("format");
- int bands[];
- int nrComponents;
-
-
- params.addSource(tempImage);
- params.setParameter("dataType", DataBuffer.TYPE_BYTE);
-
- ImageLayout layout = new ImageLayout();
- nrComponents = tempImage.getColorModel().getNumColorComponents();
-
- bands = new int[nrComponents];
- for (int i=0; i<nrComponents; i++)
- bands[i]=i;
-
- layout.setColorModel(ColorModel.getRGBdefault());
- layout.setSampleModel(
- new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE,
- tempImage.getWidth(),
- tempImage.getHeight(),
- nrComponents,
- nrComponents*tempImage.getWidth(),
- bands));
-
- RenderingHints hints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout);
-
- image = JAI.create("format", params, hints);
-
- scaledImage = image;
- }
-
- public ImageProcessor(File aFile) throws IOException {
- this(new FileSeekableStream(aFile));
- }
-
- public ImageProcessor(byte[] anImageData) throws IOException {
- this(new ByteArraySeekableStream(anImageData));
- }
-
- public void descaleImage(int aMaxSize) throws java.io.IOException {
- descaleImage(aMaxSize, 0);
- }
-
- public void descaleImage(int aMaxSize, float aMinDescale) throws java.io.IOException {
- descaleImage(aMaxSize, aMaxSize, aMinDescale, 0);
- }
-
- public void descaleImage(int aMaxSize, int aMinResize) throws java.io.IOException {
- descaleImage(aMaxSize, aMaxSize, 0, aMinResize);
- }
-
- public void descaleImage(int aMaxSize, float aMinDescale, int aMinResize) throws java.io.IOException {
- descaleImage(aMaxSize, aMaxSize, aMinDescale, aMinResize);
- }
-
- /**
- *
- * Resizes an image to fit inside <code>aMaxWidth</code> and <code>aMaxHeight</code>, provided
- * this requires at least <code>aMinResize</code> pixels will be removed from either the width or
- * the height
- *
- * @param aMaxWidth
- * @param aMaxHeight
- * @param aMinDescale
- * @param aMinResize
- * @throws java.io.IOException
- */
- public void descaleImage(int aMaxWidth, int aMaxHeight, float aMinDescale, int aMinResize) throws java.io.IOException {
- float scale;
- scaledImage = image;
-
- if ((aMaxWidth>0 && image.getWidth()>aMaxWidth+aMinResize-1) || (aMaxHeight>0 && image.getHeight()>aMaxHeight+aMinResize-1))
- {
- logger.info("Scaling image");
-
- scale=1;
-
- if (aMaxWidth>0 && image.getWidth()>aMaxWidth) {
- scale = Math.min(scale, (float) aMaxWidth / (float) image.getWidth());
- }
- if (aMaxHeight>0 && image.getHeight()>aMaxHeight) {
- scale = Math.min(scale, (float) aMaxHeight / (float) image.getHeight());
- }
-
- if (1-scale>aMinDescale) {
- scaleImage(scale);
- }
- }
- }
-
- public void scaleImage(float aScalingFactor) throws java.io.IOException {
- ParameterBlockJAI params = new ParameterBlockJAI("scale");
- params.addSource(image);
-
- params.setParameter("xScale", aScalingFactor);
- params.setParameter("yScale", aScalingFactor);
- params.setParameter("xTrans", 0.0F);
- params.setParameter("yTrans", 0.0F);
- params.setParameter("interpolation", new InterpolationBilinear());
- scaledImage = JAI.create("scale", params);
- }
-
- public int getWidth() {
- return image.getWidth();
- }
-
- public int getHeight() {
- return image.getHeight();
- }
-
- public int getScaledWidth() {
- return scaledImage.getWidth();
- }
-
- public int getScaledHeight() {
- return scaledImage.getHeight();
- }
-
- public void writeScaledData(OutputStream aStream, String anImageType) {
- JAI.create("encode", scaledImage, aStream, anImageType, null);
- }
-
- public byte[] getScaledData(String anImageType) {
- ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
- writeScaledData(outputStream, anImageType);
- return outputStream.toByteArray();
- }
-
- public void writeScaledData(File aFile, String anImageType) throws IOException {
- writeScaledData(new BufferedOutputStream(new FileOutputStream(aFile),8192), anImageType);
- }
-}
-
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projects / mir.git / blobdiff