typedef enum {
IFF_UnknownFormat,
IFF_BmpBwUncompressed,
IFF_BmpGrayUncompressed,
IFF_BmpColorUncompressed,
IFF_DcxBwPackbits,
IFF_DcxGrayPackbits,
IFF_DcxColorPackbits,
IFF_JpegGrayJfif,
IFF_JpegColorJfif,
IFF_PcxBwPackbits,
IFF_PcxGrayPackbits,
IFF_PcxColorPackbits,
IFF_PngBwPng,
IFF_PngGrayPng,
IFF_PngColorPng,
IFF_TiffBwUncompressed,
IFF_TiffBwCcittGroup3,
IFF_TiffBwCcittGroup3Fax,
IFF_TiffBwCcittGroup4,
IFF_TiffBwPackbits,
IFF_TiffGrayUncompressed,
IFF_TiffGrayPackbits,
IFF_TiffGrayJpegJfif,
IFF_TiffColorUncompressed,
IFF_TiffColorPackbits,
IFF_TiffColorJpegJfif,
IFF_TiffGrayABBYYLossless,
IFF_TiffColorABBYYLossless,
IFF_Jpeg2kGray,
IFF_Jpeg2kColor,
IFF_PDF,
IFF_TiffBwLZW,
IFF_TiffGrayLZW,
IFF_TiffColorLZW,
IFF_TiffBwZip,
IFF_TiffGrayZip,
IFF_TiffColorZip,
IFF_GifBwLZW,
IFF_GifGrayLZW,
IFF_GifColorLZW,
IFF_DjVuBw,
IFF_DjVuGray,
IFF_DjVuColor,
IFF_JBIG2,
IFF_WdpBw,
IFF_WdpGray,
IFF_WdpColor,
IFF_Wic,
IFF_Doc,
IFF_DocX,
IFF_Rtf,
IFF_Html,
IFF_Txt,
IFF_Odt,
IFF_Xls,
IFF_XlsX,
IFF_Ods,
IFF_Ppt,
IFF_PptX,
IFF_Odp,
IFF_Bmp,
IFF_Dcx,
IFF_DjVu,
IFF_Gif,
IFF_Jpeg,
IFF_Jpeg2k,
IFF_Pcx,
IFF_Png,
IFF_Tiff,
IFF_Heif,
IFF_Svg,
IFF_WebP
} ImageFileFormatEnum;
