ImagePNGTypeΒΆThe ImagePNGType enumeration provides the following values:
| Description | Value |
|---|---|
| PNG_TYPE_COLOUR | Colour PNG image. |
| PNG_TYPE_GREY | Greyscale PNG image converted from RGB. |
| PNG_TYPE_GREY_RED | Greyscale PNG image using red as grey. |
| PNG_TYPE_PALETTE | Palette encoding. |
