1. API Reference
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  3. GroupDocs.Viewer
  4. /
  5. GroupDocs.Viewer for Python via .NET
  6. /
  7. groupdocs.viewer.options
  8. /
  9. JpgViewOptions class
  10. /
  11. __init__ constructor

__init__ constructor

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init

Initializes an instance of the JpgViewOptions class.

For the code example, see the documentation.

def __init__(self, create_page_stream):
    ...
Parameter Type Description
create_page_stream CreatePageStream The method that instantiates a stream used to write output page data.
Raises Description
ValueError When create_page_stream is None.

init

Initializes an instance of the JpgViewOptions class.

For the code example, see the documentation.

def __init__(self, create_page_stream, release_page_stream):
    ...
Parameter Type Description
create_page_stream CreatePageStream Callable that instantiates a stream used to write output page data.
release_page_stream ReleasePageStream Callable that releases a stream created by the method assigned to the delegate passed to create_page_stream.
Raises Description
ValueError If release_page_stream is None.

init

Initializes an instance of the JpgViewOptions class.

For the code example, see the documentation at https://docs.groupdocs.com/viewer/net/rendering-to-png-or-jpeg/#rendering-to-jpeg.

def __init__(self, page_stream_factory):
    ...
Parameter Type Description
page_stream_factory IPageStreamFactory The factory which implements methods for creating and releasing output page stream.
Raises Description
ValueError When page_stream_factory is None.

init

Initializes a JpgViewOptions instance.

This constructor initializes an instance of the JpgViewOptions with "p_{0}.jpg" as the file path format for the output files. The output files are placed into the current working directory of the application.

def __init__(self):
    ...

Example 

from groupdocs.viewer import Viewer
from groupdocs.viewer.options import JpgViewOptions

with Viewer("invoice.xlsx") as viewer:
    view_options = JpgViewOptions("render_excel_to_jpg/excel_to_jpg_{0}.jpg")
    view_options.width = 800
    view_options.height = 900
    viewer.view(view_options)

init

Initializes a new instance of JpgViewOptions.

For the code example, see the documentation.

def __init__(self, file_path_format):
    ...
Parameter Type Description
file_path_format str The file path format, e.g. 'page_{0}.jpg'.
Raises Description
ValueError If file_path_format is None or empty.

Example 

from groupdocs.viewer import Viewer
from groupdocs.viewer.options import JpgViewOptions

def render_to_jpg():
    # Load a document (e.g., an Excel file)
    with Viewer("invoice.xlsx") as viewer:
        # Create JPEG view options with a file name pattern.
        view_options = JpgViewOptions("output/excel_page_{0}.jpg")
        view_options.width = 800
        view_options.height = 900
        viewer.view(view_options)

if __name__ == "__main__":
    render_to_jpg()

See Also

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