X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=imagesqueeze.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fimagesqueeze%2Fcodec%2FImage.java;h=6804a6330a5d4d4e8e047cd03e488d8d1a6a581f;hp=c644eaa089cfbc6561b28ceae2ede8a4f377dd7f;hb=HEAD;hpb=c7d0b8e1723045c0df086d9214a35f54db47684c

diff --git a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Image.java b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Image.java
index c644eaa..6804a63 100755
--- a/src/main/java/eu/svjatoslav/imagesqueeze/codec/Image.java
+++ b/src/main/java/eu/svjatoslav/imagesqueeze/codec/Image.java
@@ -1,14 +1,14 @@
+/*
+ * Image codec. Author: Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * This project is released under Creative Commons Zero (CC0) license.
+ */
 package eu.svjatoslav.imagesqueeze.codec;
 
+import eu.svjatoslav.commons.data.BitInputStream;
+import eu.svjatoslav.commons.data.BitOutputStream;
+
 import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.*;
 
 /**
  * Main class representing compressed image.
@@ -16,105 +16,108 @@ import java.io.OutputStream;
 
 public class Image {
 
-	public ImageMetaData metaData;
-
-	public BufferedImage bufferedImage;
-
-	ImageEncoder encoder;
-	
-	public Image(){};
+    public ImageMetaData metaData;
 
-	/**
-	 * Initialize imagesqueeze image based on {@link BufferedImage}. {@link BufferedImage} must be of type BufferedImage.TYPE_3BYTE_BGR .
-	 */
-	public Image(BufferedImage image){
+    public BufferedImage bufferedImage;
 
-		this.bufferedImage = image;
-		metaData = new ImageMetaData();
+    private ImageEncoder encoder;
 
-		metaData.version = 1;
-		metaData.width = image.getWidth();
-		metaData.height = image.getHeight();		
-	}
+    public Image() {
+    }
 
-	/**
-	 * Initialize empty imagesqueeze image.
-	 */
-	public Image(int width, int height){
+    /**
+     * Initialize imagesqueeze image based on {@link BufferedImage}.
+     * {@link BufferedImage} must be of type BufferedImage.TYPE_3BYTE_BGR .
+     */
+    public Image(final BufferedImage image) {
 
-		this.bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
-		metaData = new ImageMetaData();
+        bufferedImage = image;
+        metaData = new ImageMetaData();
 
-		metaData.version = 1;
-		metaData.width = width;
-		metaData.height = height;		
-	}
+        metaData.version = 1;
+        metaData.width = image.getWidth();
+        metaData.height = image.getHeight();
+    }
 
-	/**
-	 * Load ImgSqz image from {@link InputStream}.
-	 */
-	public void loadImage(InputStream source) throws IOException{
-		BitInputStream bitInputStream = new BitInputStream(source);
+    /**
+     * Initialize empty imagesqueeze image.
+     */
+    public Image(final int width, final int height) {
 
-		metaData = new ImageMetaData();
-		metaData.load(bitInputStream);
+        bufferedImage = new BufferedImage(width, height,
+                BufferedImage.TYPE_3BYTE_BGR);
+        metaData = new ImageMetaData();
 
-		bufferedImage = new BufferedImage(metaData.width, metaData.height, BufferedImage.TYPE_3BYTE_BGR);
+        metaData.version = 1;
+        metaData.width = width;
+        metaData.height = height;
+    }
 
-		ImageDecoder imageDecoder = new ImageDecoder(this, bitInputStream);
+    /**
+     * Load ImgSqz image from {@link File}.
+     */
+    public void loadImage(final File source) throws IOException {
 
-		imageDecoder.decode();
-	}
+        final byte[] fileContent = new byte[(int) source.length()];
 
-	/**
-	 * Load ImgSqz image from {@link File}.
-	 */
-	public void loadImage(File source) throws IOException{
+        try (FileInputStream fileInputStream = new FileInputStream(source)) {
+            if (fileInputStream.read(fileContent) != fileContent.length)
+                throw new RuntimeException("Failed to read file content");
+        }
 
-		byte [] fileContent = new byte[(int)source.length()];
+        final ByteArrayInputStream inputStream = new ByteArrayInputStream(
+                fileContent);
 
-		FileInputStream fileInputStream = new FileInputStream(source);
+        loadImage(inputStream);
+    }
 
-		fileInputStream.read(fileContent);
+    /**
+     * Load ImgSqz image from {@link InputStream}.
+     */
+    public void loadImage(final InputStream source) throws IOException {
+        final BitInputStream bitInputStream = new BitInputStream(source);
 
-		fileInputStream.close();
+        metaData = new ImageMetaData();
+        metaData.load(bitInputStream);
 
-		ByteArrayInputStream inputStream = new ByteArrayInputStream(fileContent);
+        bufferedImage = new BufferedImage(metaData.width, metaData.height,
+                BufferedImage.TYPE_3BYTE_BGR);
 
-		loadImage(inputStream);
-	}
+        final ImageDecoder imageDecoder = new ImageDecoder(this, bitInputStream);
 
-	/**
-	 * Save image into ImgSqz file format.
-	 */
-	public void saveImage(OutputStream outputStream) throws IOException{
+        imageDecoder.decode();
+    }
 
-		BitOutputStream bitOutputStream = new BitOutputStream(outputStream);
+    /**
+     * Save image into ImgSqz file format.
+     */
+    public void saveImage(final File file) throws IOException {
+        final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        saveImage(outputStream);
 
-		metaData.save(bitOutputStream);
-		
-		if (encoder == null){
-			encoder = new ImageEncoder(this);			
-		}
+        final byte[] buffer = outputStream.toByteArray();
+        try (FileOutputStream fileOutputStream = new FileOutputStream(file)) {
+            fileOutputStream.write(buffer);
+        }
+    }
 
-		encoder.encode(bitOutputStream);
+    /**
+     * Save image into ImgSqz file format.
+     */
+    private void saveImage(final OutputStream outputStream) throws IOException {
 
-		bitOutputStream.finishByte();
-	}
+        final BitOutputStream bitOutputStream = new BitOutputStream(
+                outputStream);
 
+        metaData.save(bitOutputStream);
 
-	/**
-	 * Save image into ImgSqz file format.
-	 */
-	public void saveImage(File file) throws IOException{
-		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-		saveImage(outputStream);
+        if (encoder == null) {
+            encoder = new ImageEncoder(this);
+        }
 
-		byte [] buffer = outputStream.toByteArray();
-		FileOutputStream fileOutputStream = new FileOutputStream(file);
-		fileOutputStream.write(buffer);
-		fileOutputStream.close();
-	}
+        encoder.encode(bitOutputStream);
 
+        bitOutputStream.finishByte();
+    }
 
 }