CreatePageStream class Leave feedback
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Represents a method that returns a stream to write page preview data.
The CreatePageStream type exposes the following members:
| Constructor | Description |
|---|---|
| init |
| Method | Description |
|---|---|
| begin_invoke | |
| begin_invoke_int32 | |
| end_invoke | |
| end_invoke_iasync_result | |
| invoke | |
| invoke_int32 |
import os
import io
from groupdocs.redaction import Redactor, PreviewOptions
def create_page_stream(page_number: int) -> io.RawIOBase:
page_path = os.path.join(r"C:\Temp", f"page_{page_number}.png")
return open(page_path, "wb")
preview_options = PreviewOptions(create_page_stream)
preview_options.preview_format = PreviewOptions.PreviewFormats.PNG
preview_options.height = 640
preview_options.width = 480
preview_options.page_numbers = [1]
with Redactor(r"C:\Temp\SourceFile.pdf") as redactor:
redactor.generate_preview(preview_options)
- module
groupdocs.redaction.options
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