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| Value | Member | Description |
|---|---|---|
| 0 | Unknown | Unknown image quality. Use default handling. |
| 1 | Noisy | The source image is noisy. |
| 2 | Scanned | The source image is a scanned image. |
| 3 | Printed | The source image is a printed document. |
| 4 | ComputerGenerated | The source image is a high quality computer-generated image. |
| 5 | Photo | The source image is a high quality photo image; for example, from a digital camera. |
| 6 | User | The quality is set manually. This flag is for advanced users. |
For more information, refer to Creating a Compressed PDF File.
Refer to PdfCompressorEngine example.