Convert to grayscale Leave feedback
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To speed up the printing of a PDF file and reduce its size, you can convert it from RGB color space to grayscale.
To convert a PDF file to grayscale, set the convert_to_gray_scale property to True.
The following code snippet shows how to convert a PDF file to grayscale:
from groupdocs.viewer import Viewer
from groupdocs.viewer.options import PdfViewOptions, PdfOptimizationOptions
def convert_to_grayscale():
# Load document
with Viewer("sample.docx") as viewer:
viewOptions = PdfViewOptions("convert_to_grayscale/grayscale_output.pdf")
viewOptions.pdf_optimization_options = PdfOptimizationOptions()
viewOptions.pdf_optimization_options.convert_to_gray_scale = True
viewer.view(viewOptions)
if __name__ == "__main__":
convert_to_grayscale()
sample.docx is the sample file used in this example. Click here to download it.
The following image demonstrates the result:
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