| /* |
| * 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.commons.imaging.formats.rgbe; |
| |
| import java.awt.Dimension; |
| import java.awt.Point; |
| import java.awt.Transparency; |
| import java.awt.color.ColorSpace; |
| import java.awt.image.BandedSampleModel; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ComponentColorModel; |
| import java.awt.image.DataBuffer; |
| import java.awt.image.DataBufferFloat; |
| import java.awt.image.Raster; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Map; |
| |
| import org.apache.commons.imaging.ImageFormat; |
| import org.apache.commons.imaging.ImageInfo; |
| import org.apache.commons.imaging.ImageParser; |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.common.BinaryConstants; |
| import org.apache.commons.imaging.common.IImageMetadata; |
| import org.apache.commons.imaging.common.bytesource.ByteSource; |
| |
| /** |
| * Parser for Radiance HDR images |
| * |
| * @author <a href="mailto:peter@electrotank.com">peter royal</a> |
| */ |
| public class RgbeImageParser extends ImageParser { |
| |
| public RgbeImageParser() { |
| setByteOrder( BinaryConstants.BYTE_ORDER_BIG_ENDIAN ); |
| } |
| |
| @Override |
| public String getName() { |
| return "Radiance HDR"; |
| } |
| |
| @Override |
| public String getDefaultExtension() { |
| return ".hdr"; |
| } |
| |
| @Override |
| protected String[] getAcceptedExtensions() { |
| return new String[]{ ".hdr", ".pic" }; |
| } |
| |
| @Override |
| protected ImageFormat[] getAcceptedTypes() { |
| return new ImageFormat[]{ ImageFormat.IMAGE_FORMAT_RGBE }; |
| } |
| |
| @Override |
| public IImageMetadata getMetadata( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| RgbeInfo info = new RgbeInfo( byteSource ); |
| |
| try { |
| return info.getMetadata(); |
| } finally { |
| info.close(); |
| } |
| } |
| |
| @Override |
| public ImageInfo getImageInfo( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| RgbeInfo info = new RgbeInfo( byteSource ); |
| |
| try { |
| return new ImageInfo( getName(), |
| 32, // todo may be 64 if double? |
| new ArrayList(), |
| ImageFormat.IMAGE_FORMAT_RGBE, |
| getName(), |
| info.getHeight(), |
| "image/vnd.radiance", |
| 1, |
| -1, |
| -1, |
| -1, |
| -1, |
| info.getWidth(), |
| false, |
| false, |
| false, |
| ImageInfo.COLOR_TYPE_RGB, |
| "Adaptive RLE" ); |
| } finally { |
| info.close(); |
| } |
| } |
| |
| @Override |
| public BufferedImage getBufferedImage( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| RgbeInfo info = new RgbeInfo( byteSource ); |
| |
| try { |
| // It is necessary to create our own BufferedImage here as the |
| // org.apache.sanselan.common.IBufferedImageFactory interface does not expose this complexity |
| DataBuffer buffer = new DataBufferFloat( info.getPixelData(), info.getWidth() * info.getHeight() ); |
| |
| return new BufferedImage( |
| new ComponentColorModel( ColorSpace.getInstance( ColorSpace.CS_sRGB ), |
| false, |
| false, |
| Transparency.OPAQUE, |
| buffer.getDataType() ), |
| Raster.createWritableRaster( new BandedSampleModel( buffer.getDataType(), |
| info.getWidth(), |
| info.getHeight(), |
| 3 ), |
| buffer, |
| new Point() ), |
| false, |
| null ); |
| } finally { |
| info.close(); |
| } |
| } |
| |
| @Override |
| public Dimension getImageSize( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| RgbeInfo info = new RgbeInfo( byteSource ); |
| |
| try { |
| return new Dimension( info.getWidth(), info.getHeight() ); |
| } finally { |
| info.close(); |
| } |
| } |
| |
| @Override |
| public byte[] getICCProfileBytes( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| return null; |
| } |
| |
| @Override |
| public boolean embedICCProfile( File src, File dst, byte[] profile ) { |
| return false; |
| } |
| |
| @Override |
| public String getXmpXml( ByteSource byteSource, Map params ) throws ImageReadException, IOException { |
| return null; |
| } |
| } |