Windows Metafile data structures(MetaFile.rfi):
Class: Graphics and Sounds, Status: Complete, Last change: 30.06.1999 9:13:18

```type

SHORT int
DWORD ulong

TWMF_FileType enum WORD (
InMem=0, //Metafile is in memory.
InFile=1 //Metafile is in a file.
)

TWMF_FileType FileType; /* Type of metafile (0=memory, 1=disk) */
WORD  Version;        /* Version of Microsoft Windows used */
DWORD FileSize;       /* Total size of the metafile in WORDs */
WORD  NumOfObjects;   /* Number of objects in the file */
DWORD MaxRecordSize;  /* The size of largest record in WORDs */
WORD  NumOfParams;    /* Not Used (always 0) */

DWORD Key;           /* Magic number (always 9AC6CDD7h) */
WORD  Handle;        /* Metafile HANDLE number (always 0) */
SHORT Left;          /* Left coordinate in metafile units */
SHORT Top;           /* Top coordinate in metafile units */
SHORT Right;         /* Right coordinate in metafile units */
SHORT Bottom;        /* Bottom coordinate in metafile units */
WORD  Inch;          /* Number of metafile units per inch */
DWORD Reserved;      /* Reserved (always 0) */
WORD  Checksum;      /* Checksum value for previous 10 WORDs */
ends:assert[@.Key=0x9AC6CDD7]

TClipboardWMFMappingMode enum SHORT (
Text         = 1, // One pixel
Low_Metric   = 2, // 0.1 millimeter
High_Metric  = 3, // 0.01 millimeter
Low_English  = 4, // 0.01 inch
High_English = 5, // 0.001 inch
Twips        = 6, // 1/1440th of an inch
Isotropic    = 7, // Application specific (aspect ratio preserved)
Anisotropic  = 8  // Application specific (aspect ratio not preserved)
)

TClipboardWMFMappingMode MappingMode; /* Units used to playback metafile */
SHORT Width;       /* Width of the metafile */
SHORT Height;      /* Height of the metafile */
WORD  Handle;      /* Handle to the metafile in memory */
ends

TClipboardWMFMappingMode32 enum LONG (
Text         = 1, // One pixel
Low_Metric   = 2, // 0.1 millimeter
High_Metric  = 3, // 0.01 millimeter
Low_English  = 4, // 0.01 inch
High_English = 5, // 0.001 inch
Twips        = 6, // 1/1440th of an inch
Isotropic    = 7, // Application specific (aspect ratio preserved)
Anisotropic  = 8  // Application specific (aspect ratio not preserved)
)

TClipboardWMFMappingMode32 MappingMode; /* Units used to playback metafile */
LONG  Width;       /* Width of the metafile */
LONG  Height;      /* Height of the metafile */
DWORD Handle;      /* Handle to the metafile in memory */
ends

TWMFFuncCode enum WORD (
SetBKColor           = 0x0201,
SetBKMode            = 0x0102,
SetMapMode           = 0x0103,
SetROP2              = 0x0104,
SetRelAbs            = 0x0105,
SetPolyFillMode      = 0x0106,
SetStretchBltMode    = 0x0107,
SetTextCharExtra     = 0x0108,
SetTextColor         = 0x0209,
SetTextJustification = 0x020A,
SetWindowOrg         = 0x020B,
SetWindowExt         = 0x020C,
SetViewportOrg       = 0x020D,
SetViewportExt       = 0x020E,
OffsetWindowOrg      = 0x020F,
ScaleWindowExt       = 0x0400,
OffsetViewportOrg    = 0x0211,
ScaleViewportExt     = 0x0412,
LineTo               = 0x0213,
MoveTo               = 0x0214,
ExcludeClipRect      = 0x0415,
IntersectClipRect    = 0x0416,
Arc                  = 0x0817,
Ellipse              = 0x0418,
FloodFill            = 0x0419,
Pie                  = 0x081A,
Rectangle            = 0x041B,
RoundRect            = 0x061C,
PatBlt               = 0x061D,
SaveDC               = 0x001E,
SetPixel             = 0x041F,
OffsetClipRgn        = 0x0220,
TextOut              = 0x0521,
BitBlt               = 0x0922,
StretchBlt           = 0x0B23,
Polygon              = 0x0324,
PolyLine             = 0x0325,
Escape               = 0x0626,
RestoreDC            = 0x0127,
FillRegion           = 0x0228,
FrameRegion          = 0x0429,
InvertRegion         = 0x012A,
PaintRegion          = 0x012B,
SelectClipRegion     = 0x012C,
SelectObject         = 0x012D,
SetTextAlign         = 0x012E,
DrawText             = 0x062F,

Chord                = 0x0830,
SetMapperFlags       = 0x0231,
ExtTextOut           = 0x0a32,
SetDIBToDev          = 0x0d33,
SelectPalette        = 0x0234,
RealizePalette       = 0x0035,
AnimatePalette       = 0x0436,
SetPalEntries        = 0x0037,
PolyPolygon          = 0x0538,
ResizePalette        = 0x0139,

DIBBitBlt             = 0x0940,
DIBStretchBlt         = 0x0b41,
DIBCreatePatternBrush = 0x0142,

DeleteObject = 0x01f0,

CreatePalette        = 0x00f7,
CreateBrush          = 0x00F8,
CreatePatternBrush   = 0x01F9,
CreatePenIndirect    = 0x02FA,
CreateFontIndirect   = 0x02FB,
CreateBrushIndirect  = 0x02FC,
CreateBitmapIndirect = 0x02FD,
CreateBitmap         = 0x06FE,
CreateRegion         = 0x06FF,

AbortDoc             = 0x0052,
EndDoc               = 0x005E,
EndPage              = 0x0050,
ExtFloodFill         = 0x0548,
ResetDc              = 0x014C,
StartDoc             = 0x014D,
StartPage            = 0x004F
)

TWMFEscCode enum WORD (
NEWFRAME = 1,
_ABORTDOC = 2, //Renamed
NEXTBAND = 3,
SETCOLORTABLE = 4,
GETCOLORTABLE = 5,
FLUSHOUTPUT = 6,
DRAFTMODE = 7,
QUERYESCSUPPORT = 8,
_SETABORTPROC = 9, //Renamed
_STARTDOC = 10, //Renamed
_ENDDOC = 11, //Renamed
GETPHYSPAGESIZE = 12,
GETPRINTINGOFFSET = 13,
GETSCALINGFACTOR = 14,
MFCOMMENT = 15,
GETPENWIDTH = 0x10,
SETCOPYCOUNT = 17,
SELECTPAPERSOURCE = 18,
DEVICEDATA = 19,
//PASSTHROUGH = 19,
//GETTECHNOLGY = 20,
GETTECHNOLOGY = 20,
SETLINECAP = 21,
SETLINEJOIN = 22,
_SETMITERLIMIT = 23, //Renamed
BANDINFO = 24,
DRAWPATTERNRECT = 25,
GETVECTORPENSIZE = 26,
GETVECTORBRUSHSIZE = 27,
ENABLEDUPLEX = 28,
GETSETPAPERBINS = 29,
GETSETPRINTORIENT = 30,
ENUMPAPERBINS = 31,
SETDIBSCALING = 0x20,
EPSPRINTING = 33,
ENUMPAPERMETRICS = 34,
GETSETPAPERMETRICS = 35,
POSTSCRIPT_DATA = 37,
POSTSCRIPT_IGNORE = 38,
MOUSETRAILS = 39,
GETDEVICEUNITS = 42,

GETEXTENDEDTEXTMETRICS = 256,
GETEXTENTTABLE = 257,
GETPAIRKERNTABLE = 258,
GETTRACKKERNTABLE = 259,
_EXTTEXTOUT = 0x200, //Renamed
GETFACENAME = 513,
ENABLERELATIVEWIDTHS = 768,
ENABLEPAIRKERNING = 769,
SETKERNTRACK = 770,
SETALLJUSTVALUES = 771,
SETCHARSET = 772,

_STRETCHBLT = 0x800, //Renamed
GETSETSCREENPARAMS = 3072,
QUERYDIBSUPPORT = 3073,
BEGIN_PATH = 0x1000,
CLIP_TO_PATH = 4097,
END_PATH = 4098,
EXT_DEVICE_CAPS = 4099,
RESTORE_CTM = 4100,
SAVE_CTM = 4101,
SET_ARC_DIRECTION = 4102,
SET_BACKGROUND_COLOR = 4103,
SET_POLY_MODE = 4104,
SET_SCREEN_ANGLE = 4105,
TRANSFORM_CTM = 4107,
SET_CLIP_BOX = 4108,
SET_BOUNDS = 4109,
//SET_MIRROR_MODE = 4110,
OPENCHANNEL = 4110,
CLOSECHANNEL = 4112,
POSTSCRIPT_PASSTHROUGH = 4115,
ENCAPSULATED_POSTSCRIPT = 4116
)

TStandardMetaRecord struc
DWORD Size;            /* Total size of the record in WORDs */
TWMFFuncCode Function; /* Function number (defined in WINDOWS.H) */
case @.Function of
AbortDoc, Arc, Chord, DeleteObject, Ellipse,
EndDoc, EndPage, ExcludeClipRect, ExtFloodFill,
FillRegion, FloodFill, FrameRegion, IntersectClipRect,
InvertRegion, LineTo, MoveTo, OffsetClipRgn, OffsetViewportOrg,
OffsetWindowOrg, PaintRegion, PatBlt, Pie, RealizePalette, Rectangle,
ResetDc, ResizePalette, RestoreDC, RoundRect, SaveDC,
ScaleViewportExt, ScaleWindowExt, SelectClipRegion, SelectObject,
SelectPalette, SetBkColor, SetBkMode, SetDibToDev,
SetMapMode, SetMapperFlags, SetPalEntries, SetPixel, SetPolyFillMode,
SetRelabs, SetROP2, SetStretchBltMode, SetTextAlign, SetTextCharExtra,
SetTextColor, SetTextJustification, SetViewportExt, SetViewportOrg,
SetWindowExt, SetWindowOrg, StartDoc,
StartPage: array[@@.Function shr 8]of WORD
/* Parameter values passed to function */
Escape: struc
TWMFEscCode nEscape
ends
endc Parameters
raw[] rest
ends:[@:Size=@.Size*2]

TMetaRecords array of TStandardMetaRecord ?(@.Function=0)and(@.Size=3);

TStandardMetafile struc
{"ft_lang_label":"__label__en","ft_lang_prob":0.5453198,"math_prob":0.988903,"size":7037,"snap":"2020-10-2020-16","text_gpt3_token_len":2458,"char_repetition_ratio":0.12142756,"word_repetition_ratio":0.15583076,"special_character_ratio":0.33139122,"punctuation_ratio":0.26878613,"nsfw_num_words":0,"has_unicode_error":false,"math_prob_llama3":0.95947343,"pos_list":[0],"im_url_duplicate_count":[null],"WARC_HEADER":"{\"WARC-Type\":\"response\",\"WARC-Date\":\"2020-02-26T07:12:42Z\",\"WARC-Record-ID\":\"<urn:uuid:7a959035-4b97-44d9-9dfd-9b26600de32c>\",\"Content-Length\":\"32788\",\"Content-Type\":\"application/http; msgtype=response\",\"WARC-Warcinfo-ID\":\"<urn:uuid:04287760-884d-41ba-9d59-1b1d5f79b557>\",\"WARC-Concurrent-To\":\"<urn:uuid:d26e3a82-d215-421a-a263-864f127893b4>\",\"WARC-IP-Address\":\"84.237.23.50\",\"WARC-Target-URI\":\"http://hmelnov.icc.ru/geos/scripts/WWWBinV.dll/ShowR?MetaFile.rfi\",\"WARC-Payload-Digest\":\"sha1:2BCU5ASR2RNVGSA5IFEQY7Y24U5AQOD7\",\"WARC-Block-Digest\":\"sha1:2QGOZO473YRD3QTYWMU5ZRLZLCQIFYYJ\",\"WARC-Identified-Payload-Type\":\"text/html\",\"warc_filename\":\"/cc_download/warc_2020/CC-MAIN-2020-10/CC-MAIN-2020-10_segments_1581875146187.93_warc_CC-MAIN-20200226054316-20200226084316-00280.warc.gz\"}"}