| /* |
| * 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.icns; |
| |
| import static org.apache.commons.imaging.ImagingConstants.PARAM_KEY_FORMAT; |
| import static org.apache.commons.imaging.common.BinaryFunctions.read4Bytes; |
| import static org.apache.commons.imaging.common.BinaryFunctions.readBytes; |
| |
| import java.awt.Dimension; |
| import java.awt.image.BufferedImage; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.nio.ByteOrder; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| 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.ImageWriteException; |
| import org.apache.commons.imaging.common.BinaryOutputStream; |
| import org.apache.commons.imaging.common.ImageMetadata; |
| import org.apache.commons.imaging.common.bytesource.ByteSource; |
| |
| public class IcnsImageParser extends ImageParser { |
| static final int ICNS_MAGIC = IcnsType.typeAsInt("icns"); |
| private static final String DEFAULT_EXTENSION = ".icns"; |
| private static final String[] ACCEPTED_EXTENSIONS = { ".icns", }; |
| |
| public IcnsImageParser() { |
| super.setByteOrder(ByteOrder.BIG_ENDIAN); |
| } |
| |
| @Override |
| public String getName() { |
| return "Apple Icon Image"; |
| } |
| |
| @Override |
| public String getDefaultExtension() { |
| return DEFAULT_EXTENSION; |
| } |
| |
| @Override |
| protected String[] getAcceptedExtensions() { |
| return ACCEPTED_EXTENSIONS; |
| } |
| |
| @Override |
| protected ImageFormat[] getAcceptedTypes() { |
| return new ImageFormat[] { ImageFormats.ICNS }; |
| } |
| |
| // FIXME should throw UOE |
| @Override |
| public ImageMetadata getMetadata(final ByteSource byteSource, final Map<String, Object> params) |
| throws ImageReadException, IOException { |
| return null; |
| } |
| |
| @Override |
| public ImageInfo getImageInfo(final ByteSource byteSource, Map<String, Object> params) |
| throws ImageReadException, IOException { |
| // make copy of params; we'll clear keys as we consume them. |
| params = params == null ? new HashMap<>() : new HashMap<>(params); |
| |
| if (!params.isEmpty()) { |
| final Object firstKey = params.keySet().iterator().next(); |
| throw new ImageReadException("Unknown parameter: " + firstKey); |
| } |
| |
| final IcnsContents contents = readImage(byteSource); |
| final List<BufferedImage> images = IcnsDecoder.decodeAllImages(contents.icnsElements); |
| if (images.isEmpty()) { |
| throw new ImageReadException("No icons in ICNS file"); |
| } |
| final BufferedImage image0 = images.get(0); |
| return new ImageInfo("Icns", 32, new ArrayList<String>(), |
| ImageFormats.ICNS, "ICNS Apple Icon Image", |
| image0.getHeight(), "image/x-icns", images.size(), 0, 0, 0, 0, |
| image0.getWidth(), false, true, false, |
| ImageInfo.ColorType.RGB, |
| ImageInfo.CompressionAlgorithm.UNKNOWN); |
| } |
| |
| @Override |
| public Dimension getImageSize(final ByteSource byteSource, Map<String, Object> params) |
| throws ImageReadException, IOException { |
| // make copy of params; we'll clear keys as we consume them. |
| params = (params == null) ? new HashMap<>() : new HashMap<>(params); |
| |
| if (!params.isEmpty()) { |
| final Object firstKey = params.keySet().iterator().next(); |
| throw new ImageReadException("Unknown parameter: " + firstKey); |
| } |
| |
| final IcnsContents contents = readImage(byteSource); |
| final List<BufferedImage> images = IcnsDecoder.decodeAllImages(contents.icnsElements); |
| if (images.isEmpty()) { |
| throw new ImageReadException("No icons in ICNS file"); |
| } |
| final BufferedImage image0 = images.get(0); |
| return new Dimension(image0.getWidth(), image0.getHeight()); |
| } |
| |
| @Override |
| public byte[] getICCProfileBytes(final ByteSource byteSource, final Map<String, Object> params) |
| throws ImageReadException, IOException { |
| return null; |
| } |
| |
| private static class IcnsHeader { |
| public final int magic; // Magic literal (4 bytes), always "icns" |
| public final int fileSize; // Length of file (4 bytes), in bytes. |
| |
| IcnsHeader(final int magic, final int fileSize) { |
| this.magic = magic; |
| this.fileSize = fileSize; |
| } |
| |
| public void dump(final PrintWriter pw) { |
| pw.println("IcnsHeader"); |
| pw.println("Magic: 0x" + Integer.toHexString(magic) + " (" |
| + IcnsType.describeType(magic) + ")"); |
| pw.println("FileSize: " + fileSize); |
| pw.println(""); |
| } |
| } |
| |
| private IcnsHeader readIcnsHeader(final InputStream is) |
| throws ImageReadException, IOException { |
| final int magic = read4Bytes("Magic", is, "Not a Valid ICNS File", getByteOrder()); |
| final int fileSize = read4Bytes("FileSize", is, "Not a Valid ICNS File", getByteOrder()); |
| |
| if (magic != ICNS_MAGIC) { |
| throw new ImageReadException("Not a Valid ICNS File: " + "magic is 0x" + Integer.toHexString(magic)); |
| } |
| |
| return new IcnsHeader(magic, fileSize); |
| } |
| |
| static class IcnsElement { |
| public final int type; |
| public final int elementSize; |
| public final byte[] data; |
| |
| IcnsElement(final int type, final int elementSize, final byte[] data) { |
| this.type = type; |
| this.elementSize = elementSize; |
| this.data = data; |
| } |
| |
| public void dump(final PrintWriter pw) { |
| pw.println("IcnsElement"); |
| final IcnsType icnsType = IcnsType.findAnyType(type); |
| String typeDescription; |
| if (icnsType == null) { |
| typeDescription = ""; |
| } else { |
| typeDescription = " " + icnsType.toString(); |
| } |
| pw.println("Type: 0x" + Integer.toHexString(type) + " (" |
| + IcnsType.describeType(type) + ")" + typeDescription); |
| pw.println("ElementSize: " + elementSize); |
| pw.println(""); |
| } |
| } |
| |
| private IcnsElement readIcnsElement(final InputStream is, final int remainingSize) throws IOException { |
| // Icon type (4 bytes) |
| final int type = read4Bytes("Type", is, "Not a valid ICNS file", getByteOrder()); |
| // Length of data (4 bytes), in bytes, including this header |
| final int elementSize = read4Bytes("ElementSize", is, "Not a valid ICNS file", getByteOrder()); |
| if (elementSize > remainingSize) { |
| throw new IOException(String.format("Corrupted ICNS file: element size %d is greater than " |
| + "remaining size %d", elementSize, remainingSize)); |
| } |
| final byte[] data = readBytes("Data", is, elementSize - 8, "Not a valid ICNS file"); |
| |
| return new IcnsElement(type, elementSize, data); |
| } |
| |
| private static class IcnsContents { |
| public final IcnsHeader icnsHeader; |
| public final IcnsElement[] icnsElements; |
| |
| IcnsContents(final IcnsHeader icnsHeader, final IcnsElement[] icnsElements) { |
| super(); |
| this.icnsHeader = icnsHeader; |
| this.icnsElements = icnsElements; |
| } |
| } |
| |
| private IcnsContents readImage(final ByteSource byteSource) |
| throws ImageReadException, IOException { |
| try (InputStream is = byteSource.getInputStream()) { |
| final IcnsHeader icnsHeader = readIcnsHeader(is); |
| |
| final List<IcnsElement> icnsElementList = new ArrayList<>(); |
| for (int remainingSize = icnsHeader.fileSize - 8; remainingSize > 0;) { |
| final IcnsElement icnsElement = readIcnsElement(is, remainingSize); |
| icnsElementList.add(icnsElement); |
| remainingSize -= icnsElement.elementSize; |
| } |
| |
| final IcnsElement[] icnsElements = new IcnsElement[icnsElementList.size()]; |
| for (int i = 0; i < icnsElements.length; i++) { |
| icnsElements[i] = icnsElementList.get(i); |
| } |
| |
| final IcnsContents ret = new IcnsContents(icnsHeader, icnsElements); |
| return ret; |
| } |
| } |
| |
| @Override |
| public boolean dumpImageFile(final PrintWriter pw, final ByteSource byteSource) |
| throws ImageReadException, IOException { |
| final IcnsContents icnsContents = readImage(byteSource); |
| icnsContents.icnsHeader.dump(pw); |
| for (final IcnsElement icnsElement : icnsContents.icnsElements) { |
| icnsElement.dump(pw); |
| } |
| return true; |
| } |
| |
| @Override |
| public final BufferedImage getBufferedImage(final ByteSource byteSource, |
| final Map<String, Object> params) throws ImageReadException, IOException { |
| final IcnsContents icnsContents = readImage(byteSource); |
| final List<BufferedImage> result = IcnsDecoder.decodeAllImages(icnsContents.icnsElements); |
| if (!result.isEmpty()) { |
| return result.get(0); |
| } |
| throw new ImageReadException("No icons in ICNS file"); |
| } |
| |
| @Override |
| public List<BufferedImage> getAllBufferedImages(final ByteSource byteSource) |
| throws ImageReadException, IOException { |
| final IcnsContents icnsContents = readImage(byteSource); |
| return IcnsDecoder.decodeAllImages(icnsContents.icnsElements); |
| } |
| |
| @Override |
| public void writeImage(final BufferedImage src, final OutputStream os, Map<String, Object> params) |
| throws ImageWriteException, IOException { |
| // make copy of params; we'll clear keys as we consume them. |
| params = (params == null) ? new HashMap<>() : new HashMap<>(params); |
| |
| // clear format key. |
| if (params.containsKey(PARAM_KEY_FORMAT)) { |
| params.remove(PARAM_KEY_FORMAT); |
| } |
| |
| if (!params.isEmpty()) { |
| final Object firstKey = params.keySet().iterator().next(); |
| throw new ImageWriteException("Unknown parameter: " + firstKey); |
| } |
| |
| IcnsType imageType; |
| if (src.getWidth() == 16 && src.getHeight() == 16) { |
| imageType = IcnsType.ICNS_16x16_32BIT_IMAGE; |
| } else if (src.getWidth() == 32 && src.getHeight() == 32) { |
| imageType = IcnsType.ICNS_32x32_32BIT_IMAGE; |
| } else if (src.getWidth() == 48 && src.getHeight() == 48) { |
| imageType = IcnsType.ICNS_48x48_32BIT_IMAGE; |
| } else if (src.getWidth() == 128 && src.getHeight() == 128) { |
| imageType = IcnsType.ICNS_128x128_32BIT_IMAGE; |
| } else { |
| throw new ImageWriteException("Invalid/unsupported source width " |
| + src.getWidth() + " and height " + src.getHeight()); |
| } |
| |
| try (final BinaryOutputStream bos = new BinaryOutputStream(os, |
| ByteOrder.BIG_ENDIAN)) { |
| bos.write4Bytes(ICNS_MAGIC); |
| bos.write4Bytes(4 + 4 + 4 + 4 + 4 * imageType.getWidth() |
| * imageType.getHeight() + 4 + 4 + imageType.getWidth() |
| * imageType.getHeight()); |
| |
| bos.write4Bytes(imageType.getType()); |
| bos.write4Bytes(4 + 4 + 4 * imageType.getWidth() |
| * imageType.getHeight()); |
| for (int y = 0; y < src.getHeight(); y++) { |
| for (int x = 0; x < src.getWidth(); x++) { |
| final int argb = src.getRGB(x, y); |
| bos.write(0); |
| bos.write(argb >> 16); |
| bos.write(argb >> 8); |
| bos.write(argb); |
| } |
| } |
| |
| final IcnsType maskType = IcnsType.find8BPPMaskType(imageType); |
| bos.write4Bytes(maskType.getType()); |
| bos.write4Bytes(4 + 4 + imageType.getWidth() * imageType.getWidth()); |
| for (int y = 0; y < src.getHeight(); y++) { |
| for (int x = 0; x < src.getWidth(); x++) { |
| final int argb = src.getRGB(x, y); |
| bos.write(argb >> 24); |
| } |
| } |
| } |
| } |
| } |