导出图片
GcExcel允许用户在工作表中插入图片并且支持导出到PDF文件中
将带有图片的excel文件导出为PDF格式，可以参阅以下示例代码。
// Create a new workbook and access the default worksheet
Workbook workbook = new Workbook();
IWorksheet worksheet = workbook.getWorksheets().get(0);
worksheet.getPageSetup().setOrientation(PageOrientation.Landscape);
FileInputStream stream = null;
try
{
stream = new FileInputStream("Pictures/logo.png");
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
System.out.println(stream.toString());
IShape picture = null;
try
{
picture = worksheet.getShapes().addPicture(stream, ImageType.PNG, 20, 20, 690, 100);
}
catch (IOException ioe)
{
}
// Save to a pdf file
workbook.save("ExportPicture.pdf", SaveFileFormat.Pdf);