| /* |
| * 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.sanselan.formats.tiff.write; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.List; |
| |
| import org.apache.commons.sanselan.ImageWriteException; |
| import org.apache.commons.sanselan.common.BinaryOutputStream; |
| |
| public class TiffImageWriterLossy extends TiffImageWriterBase |
| { |
| |
| public TiffImageWriterLossy() |
| { |
| } |
| |
| public TiffImageWriterLossy(int byteOrder) |
| { |
| super(byteOrder); |
| } |
| |
| @Override |
| public void write(OutputStream os, TiffOutputSet outputSet) |
| throws IOException, ImageWriteException |
| { |
| TiffOutputSummary outputSummary = validateDirectories(outputSet); |
| |
| List<TiffOutputItem> outputItems = outputSet.getOutputItems(outputSummary); |
| |
| updateOffsetsStep(outputItems); |
| |
| outputSummary.updateOffsets(byteOrder); |
| |
| BinaryOutputStream bos = new BinaryOutputStream(os, byteOrder); |
| |
| writeStep(bos, outputItems); |
| } |
| |
| private void updateOffsetsStep(List<TiffOutputItem> outputItems) |
| { |
| int offset = TIFF_HEADER_SIZE; |
| |
| for (int i = 0; i < outputItems.size(); i++) |
| { |
| TiffOutputItem outputItem = outputItems.get(i); |
| |
| outputItem.setOffset(offset); |
| int itemLength = outputItem.getItemLength(); |
| offset += itemLength; |
| |
| int remainder = imageDataPaddingLength(itemLength); |
| offset += remainder; |
| } |
| } |
| |
| private void writeStep(BinaryOutputStream bos, List<TiffOutputItem> outputItems) |
| throws IOException, ImageWriteException |
| { |
| writeImageFileHeader(bos); |
| |
| for (int i = 0; i < outputItems.size(); i++) |
| { |
| TiffOutputItem outputItem = outputItems.get(i); |
| |
| outputItem.writeItem(bos); |
| |
| int length = outputItem.getItemLength(); |
| |
| int remainder = imageDataPaddingLength(length); |
| for (int j = 0; j < remainder; j++) |
| bos.write(0); |
| } |
| |
| } |
| } |