What's New in this Release?
This technical tip shows how to
convert Memory Stream Image to PDF using Aspose.Pdf for
Java. Image class in Aspose.Pdf offers the capability to convert an image from various sources into PDF format. This may include an image from particular location over the hard-drive, an image from MemoryStream or image placed over some web location. ImageInfo class has a method named setMemoryData() which is used specify MemoryStream as image source.
[Java]
try {
//Create pdf document
Pdf pdf = new Pdf();
//Add a section into the pdf document
Section sec1 = pdf.getSections().add();
byte[] fileArray = null;
//=====================================================//
// Get the Image contents into Byte Array
//=====================================================//
try {
fileArray = getBytesFromFile(new File("d:/pdftest/Aspose.jpg"));
} catch (IOException e) {
e.printStackTrace();
}
//Create an image object in the section
aspose.pdf.Image img1 = new aspose.pdf.Image(sec1);
//Add image object into the Paragraphs collection of the section
sec1.getParagraphs().add(img1);
// Set the Image file type
img1.getImageInfo().setImageFileType(ImageFileType.Jpeg);
// create a BinayFileStream Object to hold byte array
BinaryFileStream bstream = new BinaryFileStream(fileArray);
//Set the image object to use BinaySgtream object
img1.getImageInfo().setImageStream(bstream);
//Save the PDF file
pdf.save("d:/pdftest/Image2PDF.pdf");
}catch(java.io.IOException ioe){
System.out.println(ioe.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
//=====================================================//
// Method Returns the contents of file in a byte array
//=====================================================//
private static byte[] getBytesFromFile(File file) throws IOException {
InputStream is = new FileInputStream(file);
// Get the size of the file
long length = file.length();
/*
* Ensure that file is not loarger than Integer.MAX_VALUE;
*/
if (length > Integer.MAX_VALUE) {
System.out.println("File is too large to process");
return null;
}
// Create the byte array to hold the data
byte[] bytes = new byte[(int)length];
// Read in the bytes
int offset = 0;
int numRead = 0;
while ( (offset < bytes.length)
&&
( (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) ) {
offset += numRead;
}
// Ensure all the bytes have been read in
if (offset < bytes.length) {
throw new IOException("Could not completely read file " + file.getName());
}
is.close();
return bytes;
}
Overview: Aspose.Pdf for Java
Aspose.Pdf is a Java PDF component to create PDF documents without using Adobe Acrobat. It supports Floating box, PDF form field, PDF attachments, security, Foot note & end note, Multiple columns document, Table of Contents, List of Tables, Nested tables, Rich text format, images, hyperlinks, JavaScript, annotation, bookmarks, headers, footers and many more. Now you can create PDF by API, XML and XSL-FO files. It also enables you to converting HTML, XSL-FO and Excel files into PDF.
More about Aspose.Pdf for Java
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Contact Information
Aspose Pty Ltd
Suite 163, 79 Longueville Road
Lane Cove, NSW, 2066
Australia
Aspose – Your File Format Experts
[email protected]
Phone: 888.277.6734
Fax: 866.810.9465
