93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
/* ====================================================================
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Copyright 2002-2004 Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.usermodel;
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import org.apache.poi.ddf.EscherBitmapBlip;
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import org.apache.poi.ddf.EscherBlipRecord;
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import org.apache.poi.ddf.EscherMetafileBlip;
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/**
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* Represents binary data stored in the file. Eg. A GIF, JPEG etc...
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*
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* @author Daniel Noll
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*/
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public class HSSFPictureData
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{
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// MSOBI constants for various formats.
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public static final short MSOBI_WMF = 0x2160;
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public static final short MSOBI_EMF = 0x3D40;
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public static final short MSOBI_PICT = 0x5420;
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public static final short MSOBI_PNG = 0x6E00;
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public static final short MSOBI_JPEG = 0x46A0;
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public static final short MSOBI_DIB = 0x7A80;
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// Mask of the bits in the options used to store the image format.
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public static final short FORMAT_MASK = (short) 0xFFF0;
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/**
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* Underlying escher blip record containing the bitmap data.
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*/
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private EscherBlipRecord blip;
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/**
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* Constructs a picture object.
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*
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* @param blip the underlying blip record containing the bitmap data.
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*/
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HSSFPictureData( EscherBlipRecord blip )
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{
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this.blip = blip;
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}
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/**
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* Gets the picture data.
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*
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* @return the picture data.
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*/
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public byte[] getData()
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{
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return blip.getPicturedata();
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}
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/**
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* Suggests a file extension for this image.
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*
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* @return the file extension.
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*/
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public String suggestFileExtension()
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{
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switch (blip.getRecordId())
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{
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case EscherMetafileBlip.RECORD_ID_WMF:
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return "wmf";
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case EscherMetafileBlip.RECORD_ID_EMF:
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return "emf";
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case EscherMetafileBlip.RECORD_ID_PICT:
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return "pict";
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case EscherBitmapBlip.RECORD_ID_PNG:
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return "png";
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case EscherBitmapBlip.RECORD_ID_JPEG:
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return "jpeg";
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case EscherBitmapBlip.RECORD_ID_DIB:
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return "dib";
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default:
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return "";
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}
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}
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}
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