PNG8 support

all subtypes added in sffv2.1 support YAY

PNG24 and PNG32, external palette beta support

v2.1-1.5.0

Decode new feature: PNG24 and PNG32, external palette, some bug fix

Raw24 Raw32 more decoder bug fix

v2.1-1.4.3

fix RAW24,RAW32 decode bug when sff has no palette

SFFv2 RLE8 and RAW8 support

v2.0-1.3.0

fix RAW24,RAW32 decode bug when sff has no palette

SFFv2 beta support

v2.0-1.2.0

fix RAW24,RAW32 decode bug when sff has no palette

First ConvertImage()

Added PCX decoder function

First release (Aug142023)

Added GetX, GetY. Renamed GetRawImageData to GetRawImage