/* ====================================================================
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.
==================================================================== */
/* ================================================================
* Author: Tony Qu
* Author's email: tonyqus (at) gmail.com
* NPOI HomePage: http://www.codeplex.com/npoi
* Contributors:
*
* ==============================================================*/
using System;
using System.Text;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.HPSF;
using NPOI.POIFS.FileSystem;
using System.Drawing;
namespace InsertPicturesInXls{
class Program
{
static void Main(string[] args)
{
InitializeWorkbook();
HSSFSheet sheet1 = hssfworkbook.CreateSheet("PictureSheet");
HSSFPatriarch patriarch = sheet1.CreateDrawingPatriarch();
//create the anchor
HSSFClientAnchor anchor;
anchor = new HSSFClientAnchor(0, 0, 0, 255, 2, 2, 4, 7);
anchor.AnchorType = 2;
//load the picture and get the picture index in the workbook
HSSFPicture picture = patriarch.CreatePicture(anchor, LoadImage("../../image/HumpbackWhale.jpg", hssfworkbook));
//Reset the image to the original size.
picture.Resize();
picture.LineStyle = HSSFPicture.LINESTYLE_DASHDOTGEL;
WriteToFile();
}
public static int LoadImage(string path, HSSFWorkbook wb)
{
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[file.Length];
file.Read(buffer, 0, (int)file.Length);
return wb.AddPicture(buffer, PictureType.JPEG);
}
static HSSFWorkbook hssfworkbook;
static void WriteToFile()
{
//Write the stream data of workbook to the root directory
FileStream file = new FileStream(@"test.xls", FileMode.Create);
hssfworkbook.Write(file);
file.Close();
}
static void InitializeWorkbook()
{
hssfworkbook = new HSSFWorkbook();
//create a entry of DocumentSummaryInformation
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation();
dsi.Company = "NPOI Team";
hssfworkbook.DocumentSummaryInformation = dsi;
//create a entry of SummaryInformation
SummaryInformation si = PropertySetFactory.CreateSummaryInformation();
si.Subject = "NPOI SDK Example";
hssfworkbook.SummaryInformation = si;
}
}
}
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