src/main/java/eu/svjatoslav/imagesqueeze/codec/ImageMetaData.java

   1 /*
   2  * Image codec. Author: Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  */
   5 package eu.svjatoslav.imagesqueeze.codec;
   6
   7 /**
   8  * Class to hold image metadata.
   9  * Like image dimensions, header version, compression quality, etc..
  10  */
  11
  12 import eu.svjatoslav.commons.data.BitInputStream;
  13 import eu.svjatoslav.commons.data.BitOutputStream;
  14
  15 import java.io.IOException;
  16
  17 public class ImageMetaData {
  18
  19     int version;
  20     int width;
  21     int height;
  22
  23     public void load(final BitInputStream inputStream) throws IOException {
  24         version = inputStream.readBits(16);
  25         width = ImageDecoder.readIntegerCompressed8(inputStream);
  26         height = ImageDecoder.readIntegerCompressed8(inputStream);
  27     }
  28
  29     public void save(final BitOutputStream outputStream) throws IOException {
  30         outputStream.storeBits(version, 16);
  31         ImageEncoder.storeIntegerCompressed8(outputStream, width);
  32         ImageEncoder.storeIntegerCompressed8(outputStream, height);
  33     }
  34
  35 }