Declaration
TIOPDFCompression = (ioPDF_UNCOMPRESSED,
ioPDF_RLE,
ioPDF_G4FAX,
ioPDF_G3FAX2D,
ioPDF_JPEG,
ioPDF_LZW
);
Description
| Value | Description | Support Color? | Support Monochrome? |
|---|---|---|---|
| ioPDF_UNCOMPRESSED | No compression |  | |
| ioPDF_RLE | Run length compression |  | |
| ioPDF_G4FAX | G4Fax (black & white images only) | | |
| ioPDF_G3FAX2D | G3Fax (black & white images only) | | |
| ioPDF_JPEG | DCT-JPEG (color images only) | | |
| ioPDF_LZW | LZW compression | | |
Notes:
- Monochrome images do not support ioPDF_JPEG. If specified, ioPDF_G4FAX will be used instead
- Color images do not support ioPDF_RLE ioPDF_G4FAX or ioPDF_G3FAX2D. If specified, ioPDF_UNCOMPRESSED will be used instead