TiffOutputSummary.java
/*
* 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.tiff.write;
import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.imaging.ImagingException;
import org.apache.commons.imaging.formats.tiff.fieldtypes.AbstractFieldType;
final class TiffOutputSummary {
private static final class OffsetItem {
public final AbstractTiffOutputItem item;
public final TiffOutputField itemOffsetField;
OffsetItem(final AbstractTiffOutputItem item, final TiffOutputField itemOffsetField) {
this.itemOffsetField = itemOffsetField;
this.item = item;
}
}
public final ByteOrder byteOrder;
public final TiffOutputDirectory rootDirectory;
public final Map<Integer, TiffOutputDirectory> directoryTypeMap;
private final List<OffsetItem> offsetItems = new ArrayList<>();
private final List<ImageDataOffsets> imageDataItems = new ArrayList<>();
TiffOutputSummary(final ByteOrder byteOrder, final TiffOutputDirectory rootDirectory, final Map<Integer, TiffOutputDirectory> directoryTypeMap) {
this.byteOrder = byteOrder;
this.rootDirectory = rootDirectory;
this.directoryTypeMap = directoryTypeMap;
}
public void add(final AbstractTiffOutputItem item, final TiffOutputField itemOffsetField) {
offsetItems.add(new OffsetItem(item, itemOffsetField));
}
public void addTiffImageData(final ImageDataOffsets imageDataInfo) {
imageDataItems.add(imageDataInfo);
}
public void updateOffsets(final ByteOrder byteOrder) throws ImagingException {
for (final OffsetItem offset : offsetItems) {
final byte[] value = AbstractFieldType.LONG.writeData((int) offset.item.getOffset(), byteOrder);
offset.itemOffsetField.setData(value);
}
for (final ImageDataOffsets imageDataInfo : imageDataItems) {
for (int j = 0; j < imageDataInfo.outputItems.length; j++) {
final AbstractTiffOutputItem item = imageDataInfo.outputItems[j];
imageDataInfo.imageDataOffsets[j] = (int) item.getOffset();
}
imageDataInfo.imageDataOffsetsField.setData(AbstractFieldType.LONG.writeData(imageDataInfo.imageDataOffsets, byteOrder));
}
}
}