Merge XPS files | Aspose.Page for Python via .NET
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To perform an XPS merge, follow these steps:
- Initialize an input stream for the first input XPS documen
- Initialize an output stream for the output XPS document.
- Create an array of XPS files that will be merged with the first one.
- Create an instance of XpsDocument rom the previously created input stream.
- Merge XPS files with created document and save it.
Here’s an example code snippet demonstrating how to merge XPS files into a PDF document using Python:
1# For complete examples and data files, please go to https://github.com/aspose-page/Aspose.Page-for-Python
2# The path to the documents directory.
3data_dir = Util.get_data_dir_working_with_document_merging()
4# Initialize the PDF output stream
5with open(data_dir + "mergedXPSfiles.pdf", "wb") as pdf_stream:
6 # Initialize an XPS input stream
7 with open(data_dir + "input.xps", "rb") as xps_stream:
8 # Load the XPS document form the stream
9 document = XpsDocument(xps_stream, XpsLoadOptions())
10 # or load the XPS document directly from a file. No xpsStream is needed then.
11 # XpsDocument document = new XpsDocument(inputFileName, new XpsLoadOptions());
12
13 # Initialize an options object with necessary parameters.
14 options = PdfSaveOptions()
15
16 options.jpeg_quality_level = 100
17 options.image_compression = PdfImageCompression.JPEG
18 options.text_compression = PdfTextCompression.FLATE
19
20 # Create a rendering device for PDF format
21 device = PdfDevice(pdf_stream)
22
23 # Create an array of XPS files that will be merged with the first one
24 files_to_merge = [ data_dir + "Demo.xps", data_dir + "sample.xps" ]
25
26 # Merge XPS files to output PDF document
27 document.merge(files_to_merge, device, options)Aspose.Page Python XPS merger allows also to merge XPS files to PDF document.
It is necessary to do several steps in order to perform XPS to PDF merge:
- Initialize an input stream for the first input XPS document.
- Initialize an output stream for output PDF document.
- Create an array of XPS files that will be merged with the first one.
- Create an instance of XpsDocument from created earlier input stream.
- Specify TextCompression, ImageCompression, JpegQualityLevel, and other options of PdfSaveOptions.
- Create an instance of PdfDevice from the previously created output stream.
- Merge XPS files into created document and save it as PDF with PDF save options.
Following code snippet shows how to merge several XPS files to PDF document in Python:
1# For complete examples and data files, please go to https://github.com/aspose-page/Aspose.Page-for-Python
2
3# The path to the documents directory.
4data_dir = Util.get_data_dir_working_with_document_merging()
5# Initialize an XPS output stream
6with open(data_dir + "mergedXPSfiles.xps", "wb") as out_stream:
7 # Initialize the XPS input stream
8 with open(data_dir + "input.xps", "rb") as in_stream:
9 # Load the XPS document from the stream
10 document = XpsDocument(in_stream, XpsLoadOptions())
11 # or load the XPS document directly from file. No xpsStream is needed then.
12 # XpsDocument document = new XpsDocument(inputFileName, new XpsLoadOptions());
13
14 # Create an array of XPS files that will be merged with the first one
15 files_to_merge = [ data_dir + "Demo.xps", data_dir + "sample.xps" ]
16
17 # Merge XPS files to the output PDF document
18 document.merge(files_to_merge, out_stream)Let’s consider PdfSaveOptions. Using this class we can assign different conversion parameters while merging XPS to PDF.
- JpegQualityLevel regulates the image quality within a PDF document when the ImageCompression algorithm is set to JPEG. Its value ranges from 0 to 100.
- ImageCompression algorithm encapsulated in PdfImageCompression Enumeration, offers several options including Run Length Encoding (RLE), Flate, Lempel-Ziv-Welch (LZW) with base or optimized predictor, JPEG, none (raw image bytes), and auto (the most suitable compression for each image). The default setting is auto compression.
- TextCompression algorithm encapsulated in PdfTextCompression Enumeration, provides options such as Run Length Encoding (RLE), Flate, Lempel-Ziv-Welch (LZW), and none. The default value during XPS to PDF merging is Flate.
- EncryptionDetails encapsulated in PdfEncryptionDetails. It allows the configuration of encryption algorithm, permissions, owner, and user passwords for the PDF document.
- OutlineTreeExpansionLevel and OutlineTreeHeight parameters regulate the view of the document outline.