## PGF Tags

The following table lists information extracted from the header of Progressive Graphics File (PGF) images. As well, information is extracted from the embedded PNG metadata image if it exists. See http://www.libpgf.org/ for the PGF specification.

> Index1 | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 3 | PGFVersion | N |
> 8 | ImageWidth | N |
> 12 | ImageHeight | N |
> 16 | PyramidLevels | N |
> 17 | Quality | N |
> 18 | BitsPerPixel | N |
> 19 | ColorComponents | N |

> 20

> ColorMode

> N

> 0 = Bitmap 1 = Grayscale 2 = Indexed 3 = RGB |  | 4 = CMYK 7 = Multichannel 8 = Duotone 9 = Lab |

> 21 | BackgroundColor | N |

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Jan 26, 2011

<-- ExifTool Tag Names