X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Futils%2FJpegUtils.java;fp=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Futils%2FJpegUtils.java;h=0000000000000000000000000000000000000000;hb=9e3f0e3a7b4a63aaed0c33466c041982dc93b511;hp=7107ab823f8cba39f8f322e5751699b8435bf177;hpb=2207a1e695ce23e79678c232cff2ceb84ebaa801;p=utils

diff --git a/gps/src/main/java/org/wamblee/utils/JpegUtils.java b/gps/src/main/java/org/wamblee/utils/JpegUtils.java
deleted file mode 100644
index 7107ab82..00000000
--- a/gps/src/main/java/org/wamblee/utils/JpegUtils.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright 2006 the original author or authors.
- * 
- * 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 org.wamblee.utils;
-
-import java.awt.Container;
-import java.awt.Graphics2D;
-import java.awt.Image;
-import java.awt.MediaTracker;
-import java.awt.RenderingHints;
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import com.sun.image.codec.jpeg.JPEGCodec;
-import com.sun.image.codec.jpeg.JPEGEncodeParam;
-import com.sun.image.codec.jpeg.JPEGImageDecoder;
-import com.sun.image.codec.jpeg.JPEGImageEncoder;
-
-/**
- * Utility functions for processing JPEG images. 
- *
- * @author Erik Brakkee
- */
-public class JpegUtils {
-    /**
-     * Scales an image preserving the aspect ratio. 
-     * 
-     * @param aMaxWidth Maximum width. 
-     * @param aMaxHeight Maximum height. 
-     * @param aImage Image to scale. 
-     * @return Scaled image. 
-     */
-    public static BufferedImage scaleImage(int aMaxWidth, int aMaxHeight, Image aImage) {
-        double thumbRatio = (double) aMaxWidth / (double) aMaxHeight;
-        int imageWidth = aImage.getWidth(null);
-        int imageHeight = aImage.getHeight(null);
-        double imageRatio = (double) imageWidth / (double) imageHeight;
-        if (thumbRatio < imageRatio) {
-            aMaxHeight = (int) (aMaxWidth / imageRatio);
-        } else {
-            aMaxWidth = (int) (aMaxHeight * imageRatio);
-        }
-        BufferedImage thumbImage = new BufferedImage(aMaxWidth, aMaxHeight,
-                BufferedImage.TYPE_INT_RGB);
-        Graphics2D graphics2D = thumbImage.createGraphics();
-        graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
-                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
-        graphics2D.drawImage(aImage, 0, 0, aMaxWidth, aMaxHeight, null);
-        return thumbImage;
-    }
-
-    /**
-     * Loads a jpeg image from an input stream.
-     *  
-     * @param aInput Input stream. 
-     * @return JPEG image. 
-     * @throws IOException In case of IO problems.  
-     * @throws InterruptedException When execution is interrupted. 
-     */
-    public static BufferedImage loadJpegImage(InputStream aInput) throws IOException, InterruptedException {
-        JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(aInput);
-        BufferedImage image = decoder.decodeAsBufferedImage();
-        MediaTracker mediaTracker = new MediaTracker(new Container());
-        mediaTracker.addImage(image, 0);
-        mediaTracker.waitForID(0);
-        return image;
-    }
-
-    /**
-     * Writes a JPEG image. 
-     * 
-     * @param aOutput Output stream to write to. 
-     * @param aQuality Quality of the JPEG image in the range 0..100
-     * @param aThumbImage
-     * @throws IOException
-     */
-    public static void writeJpegImage(OutputStream aOutput, int aQuality, BufferedImage aThumbImage) throws IOException {
-        // save thumbnail image to OUTFILE
-        
-        if ( aQuality < 0 || aQuality > 100 ) {
-            throw new IllegalArgumentException("Argument quality must be in range 0.100: " + aQuality); 
-        }
-            
-        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(aOutput);
-        JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(aThumbImage);
-        aQuality = Math.max(0, Math.min(aQuality, 100));
-        param.setQuality((float) aQuality / 100.0f, false);
-        encoder.setJPEGEncodeParam(param);
-        encoder.encode(aThumbImage);
-    }
-
-}
-