java处理图片

Java Advanced Imaging相关资料
API:  http://www.oracle.com/technetwork/java/jaifaq-138288.html?ssSourceSiteId=otncn#multipage

手册：http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/JAITOC.fm.html

Introduction to Java Advanced Imaging： http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/Introduction.doc.html#47285

先关代码

 

import java.awt.Frame;
import java.awt.image.renderable.ParameterBlock;
import java.io.IOException;
import javax.media.jai.Interpolation;
import javax.media.jai.JAI;
import javax.media.jai.RenderedOp;
import com.sun.media.jai.codec.FileSeekableStream;
import javax.media.jai.widget.ScrollingImagePanel;
/**
 * This program decodes an image file of any JAI supported
 * formats, such as GIF, JPEG, TIFF, BMP, PNM, PNG, into a
 * RenderedImage, scales the image by 2X with bilinear
 * interpolation, and then displays the result of the scale
 * operation.
 */
public class JAISampleProgram {
 
 String fileName = "C:\\Users\\hejian.DOMRST\\Desktop\\Booklet\\20111024_112457_0001.tiff";
    /** The main method. */
    public static void main(String[] args) {
        /* Validate input. */
        if (args.length != 1) {
            System.out.println("Usage: java JAISampleProgram " +
                               "input_image_filename");
            System.exit(-1);
        }
        /*
         * Create an input stream from the specified file name
         * to be used with the file decoding operator.
         */
        FileSeekableStream stream = null;
        try {
            stream = new FileSeekableStream(args[0]);
        } catch (IOException e) {
            e.printStackTrace();
            System.exit(0);
        }
        /* Create an operator to decode the image file. */
        RenderedOp image1 = JAI.create("stream", stream);
        /*
         * Create a standard bilinear interpolation object to be
         * used with the "scale" operator.
         */
        Interpolation interp = Interpolation.getInstance(
                                   Interpolation.INTERP_BILINEAR);
        /**
         * Stores the required input source and parameters in a
         * ParameterBlock to be sent to the operation registry,
         * and eventually to the "scale" operator.
         */
        ParameterBlock params = new ParameterBlock();
        params.addSource(image1);
        params.add(2.0F);         // x scale factor
        params.add(2.0F);         // y scale factor
        params.add(0.0F);         // x translate
        params.add(0.0F);         // y translate
        params.add(interp);       // interpolation method
        /* Create an operator to scale image1. */
        RenderedOp image2 = JAI.create("scale", params);
        /* Get the width and height of image2. */
        int width = image2.getWidth();
        int height = image2.getHeight();
        /* Attach image2 to a scrolling panel to be displayed. */
        ScrollingImagePanel panel = new ScrollingImagePanel(
                                        image2, width, height);
        /* Create a frame to contain the panel. */
        Frame window = new Frame("JAI Sample Program");
        window.add(panel);
        window.pack();
        window.show();
    }
}

 

import java.io.File;
import java.io.IOException;
import java.awt.Frame;
import java.awt.image.RenderedImage;
import javax.media.jai.widget.ScrollingImagePanel;
import javax.media.jai.NullOpImage;
import javax.media.jai.OpImage;
import com.sun.media.jai.codec.SeekableStream;
import com.sun.media.jai.codec.FileSeekableStream;
import com.sun.media.jai.codec.TIFFDecodeParam;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.ImageCodec;

public class MultiPageRead extends Frame {

    ScrollingImagePanel panel;

    public MultiPageRead(String filename) throws IOException {

        setTitle("Multi page TIFF Reader");

        File file = new File(filename);
        SeekableStream s = new FileSeekableStream(file);

        TIFFDecodeParam param = null;

        ImageDecoder dec = ImageCodec.createImageDecoder("tiff", s, param);

        System.out.println("Number of images in this TIFF: " +
                           dec.getNumPages());

        // Which of the multiple images in the TIFF file do we want to load
        // 0 refers to the first, 1 to the second and so on.
        int imageToLoad = 0;

        RenderedImage op =
            new NullOpImage(dec.decodeAsRenderedImage(imageToLoad),
                            null,
                            OpImage.OP_IO_BOUND,
                            null);

        // Display the original in a 800x800 scrolling window
        panel = new ScrollingImagePanel(op, 800, 800);
        add(panel);
    }

    public static void main(String [] args) {

        String filename = "C:\\Users\\hejian.DOMRST\\Desktop\\Booklet\\20111213133838620.tif";

        try {
            MultiPageRead window = new MultiPageRead(filename);
            window.pack();
            window.show();
        } catch (java.io.IOException ioe) {
            System.out.println(ioe);
        }
    }
}