| /* |
| * 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.ImageFormats; |
| import org.apache.commons.imaging.ImageInfo; |
| import org.apache.commons.imaging.ImageParser; |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.common.ByteOrder; |
| import org.apache.commons.imaging.common.IImageMetadata; |
| import org.apache.commons.imaging.common.bytesource.ByteSource; |
| import org.apache.commons.imaging.util.IoUtils; |
| |
| /** |
| * Parser for Radiance HDR images |
| * |
| * @author <a href="mailto:peter@electrotank.com">peter royal</a> |
| */ |
| public class RgbeImageParser extends ImageParser { |
| |
| public RgbeImageParser() { |
| setByteOrder(ByteOrder.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[] { ImageFormats.RGBE }; |
| } |
| |
| @Override |
| public IImageMetadata getMetadata(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| final RgbeInfo info = new RgbeInfo(byteSource); |
| boolean canThrow = false; |
| try { |
| IImageMetadata ret = info.getMetadata(); |
| canThrow = true; |
| return ret; |
| } finally { |
| IoUtils.closeQuietly(canThrow, info); |
| } |
| } |
| |
| @Override |
| public ImageInfo getImageInfo(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| final RgbeInfo info = new RgbeInfo(byteSource); |
| boolean canThrow = false; |
| try { |
| final ImageInfo ret = new ImageInfo( |
| getName(), |
| 32, // todo may be 64 if double? |
| new ArrayList<String>(), ImageFormats.RGBE, getName(), |
| info.getHeight(), "image/vnd.radiance", 1, -1, -1, -1, -1, |
| info.getWidth(), false, false, false, |
| ImageInfo.COLOR_TYPE_RGB, "Adaptive RLE"); |
| canThrow = true; |
| return ret; |
| } finally { |
| IoUtils.closeQuietly(canThrow, info); |
| } |
| } |
| |
| @Override |
| public BufferedImage getBufferedImage(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| final RgbeInfo info = new RgbeInfo(byteSource); |
| boolean canThrow = false; |
| try { |
| // It is necessary to create our own BufferedImage here as the |
| // org.apache.commons.imaging.common.IBufferedImageFactory interface does |
| // not expose this complexity |
| final DataBuffer buffer = new DataBufferFloat(info.getPixelData(), |
| info.getWidth() * info.getHeight()); |
| |
| final BufferedImage ret = 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); |
| canThrow = true; |
| return ret; |
| } finally { |
| IoUtils.closeQuietly(canThrow, info); |
| } |
| } |
| |
| @Override |
| public Dimension getImageSize(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| final RgbeInfo info = new RgbeInfo(byteSource); |
| boolean canThrow = false; |
| try { |
| final Dimension ret = new Dimension(info.getWidth(), info.getHeight()); |
| canThrow = true; |
| return ret; |
| } finally { |
| IoUtils.closeQuietly(canThrow, info); |
| } |
| } |
| |
| @Override |
| public byte[] getICCProfileBytes(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| return null; |
| } |
| |
| @Override |
| public boolean embedICCProfile(final File src, final File dst, final byte[] profile) { |
| return false; |
| } |
| |
| @Override |
| public String getXmpXml(final ByteSource byteSource, final Map<String,Object> params) |
| throws ImageReadException, IOException { |
| return null; |
| } |
| } |