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- /* ====================================================================
- 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.poi.hslf.blip;
-
- import org.apache.poi.hslf.usermodel.PictureData;
-
- import java.io.IOException;
- import java.io.ByteArrayOutputStream;
-
- /**
- * Represents a bitmap picture data: JPEG or PNG.
- * The data is not compressed and the exact file content is written in the stream.
- *
- * @author Yegor Kozlov
- */
- public abstract class Bitmap extends PictureData {
-
- public byte[] getData(){
- byte[] rawdata = getRawData();
- int prefixLen = 16*uidInstanceCount+1;
- byte[] imgdata = new byte[rawdata.length-prefixLen];
- System.arraycopy(rawdata, prefixLen, imgdata, 0, imgdata.length);
- return imgdata;
- }
-
- public void setData(byte[] data) throws IOException {
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- for (int i=0; i<uidInstanceCount; i++) {
- byte[] checksum = getChecksum(data);
- out.write(checksum);
- }
- out.write(0);
- out.write(data);
-
- setRawData(out.toByteArray());
- }
- }
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