/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.sanselan.sampleUsage;
import java.awt.Dimension;
import java.awt.color.ICC_Profile;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.sanselan.FormatCompliance;
import org.apache.sanselan.ImageFormat;
import org.apache.sanselan.ImageInfo;
import org.apache.sanselan.Sanselan;
import org.apache.sanselan.common.IImageMetadata;
public class SampleUsage
{
public SampleUsage()
{
try
{
// <b>Code won't work unless these variables are properly initialized.
// Sanselan works equally well with File, byte array or InputStream inputs.</b>
BufferedImage someImage = null;
byte someBytes[] = null;
File someFile = null;
InputStream someInputStream = null;
OutputStream someOutputStream = null;
// <b>The Sanselan class provides a simple interface to the library. </b>
// <b>how to read an image: </b>
byte imageBytes[] = someBytes;
BufferedImage image_1 = Sanselan.getBufferedImage(imageBytes);
// <b>methods of Sanselan usually accept files, byte arrays, or inputstreams as arguments. </b>
BufferedImage image_2 = Sanselan.getBufferedImage(imageBytes);
File file = someFile;
BufferedImage image_3 = Sanselan.getBufferedImage(file);
InputStream is = someInputStream;
BufferedImage image_4 = Sanselan.getBufferedImage(is);
// <b>Write an image. </b>
BufferedImage image = someImage;
File dst = someFile;
ImageFormat format = ImageFormat.IMAGE_FORMAT_PNG;
Map optional_params = new HashMap();
Sanselan.writeImage(image, dst, format, optional_params);
OutputStream os = someOutputStream;
Sanselan.writeImage(image, os, format, optional_params);
// <b>get the image's embedded ICC Profile, if it has one. </b>
byte iccProfileBytes[] = Sanselan.getICCProfileBytes(imageBytes);
ICC_Profile iccProfile = Sanselan.getICCProfile(imageBytes);
// <b>get the image's width and height. </b>
Dimension d = Sanselan.getImageSize(imageBytes);
// <b>get all of the image's info (ie. bits per pixel, size, transparency, etc.) </b>
ImageInfo imageInfo = Sanselan.getImageInfo(imageBytes);
if (imageInfo.getColorType() == ImageInfo.COLOR_TYPE_GRAYSCALE)
System.out.println("Grayscale image.");
if (imageInfo.getHeight() > 1000)
System.out.println("Large image.");
// <b>try to guess the image's format. </b>
ImageFormat image_format = Sanselan.guessFormat(imageBytes);
image_format.equals(ImageFormat.IMAGE_FORMAT_PNG);
// <b>get all metadata stored in EXIF format (ie. from JPEG or TIFF). </b>
// <b>org.w3c.dom.Node node = Sanselan.getMetadataObsolete(imageBytes); </b>
IImageMetadata metdata = Sanselan.getMetadata(imageBytes);
// <b>print a dump of information about an image to stdout. </b>
Sanselan.dumpImageFile(imageBytes);
// <b>get a summary of format errors. </b>
FormatCompliance formatCompliance = Sanselan
.getFormatCompliance(imageBytes);
}
catch (Exception e)
{
}
}
}