[US-897] Update grayscale example#274

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anovik merged 5 commits intounidoc:masterfrom

sampila:update-grayscale-example

Mar 21, 2025

Commits on Mar 19, 2024

add example pdf writer modify contents
sampila
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Commits on Oct 15, 2024

Merge branch 'master' of github.com:sampila/unipdf-examples
sampila
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Commits on Feb 23, 2025

Merge branch 'master' of github.com:unidoc/unipdf-examples
sampila
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Commits on Mar 20, 2025