EMFTemplate.bt

//--------------------------------------
//--- 010 Editor v2.1.3 Binary Template
//
// File: EMFTemplate.bt
// Author: Dustin D. Trammell <dtrammell@dustintrammell.com>
// Revision: 0.1
// Date: 2008/04/08 - 2008/04/08
// Purpose:  Parsing EMF files.
// References:
//   MS-EMF: Enhanced Metafile Format Specification 2.1, Microsoft
//--------------------------------------

typedef enum <DWORD> {
  EMR_HEADER = 0x00000001,
  EMR_POLYBEZIER = 0x00000002,
  EMR_POLYGON = 0x00000003,
  EMR_POLYLINE = 0x00000004,
  EMR_POLYBEZIERTO = 0x00000005,
  EMR_POLYLINETO = 0x00000006,
  EMR_POLYPOLYLINE = 0x00000007,
  EMR_POLYPOLYGON = 0x00000008,
  EMR_SETWINDOWEXTEX = 0x00000009,
  EMR_SETWINDOWORGEX = 0x0000000A,
  EMR_SETVIEWPORTEXTEX = 0x0000000B,
  EMR_SETVIEWPORTORGEX = 0x0000000C,
  EMR_SETBRUSHORGEX = 0x0000000D,
  EMR_EOF = 0x0000000E,
  EMR_SETPIXELV = 0x0000000F,
  EMR_SETMAPPERFLAGS = 0x00000010,
  EMR_SETMAPMODE = 0x00000011,
  EMR_SETBKMODE = 0x00000012,
  EMR_SETPOLYFILLMODE = 0x00000013,
  EMR_SETROP2 = 0x00000014,
  EMR_SETSTRETCHBLTMODE = 0x00000015,
  EMR_SETTEXTALIGN = 0x00000016,
  EMR_SETCOLORADJUSTMENT = 0x00000017,
  EMR_SETTEXTCOLOR = 0x00000018,
  EMR_SETBKCOLOR = 0x00000019,
  EMR_OFFSETCLIPRGN = 0x0000001A,
  EMR_MOVETOEX = 0x0000001B,
  EMR_SETMETARGN = 0x0000001C,
  EMR_EXCLUDECLIPRECT = 0x0000001D,
  EMR_INTERSECTCLIPRECT = 0x0000001E,
  EMR_SCALEVIEWPORTEXTEX = 0x0000001F,
  EMR_SCALEWINDOWEXTEX = 0x00000020,
  EMR_SAVEDC = 0x00000021,
  EMR_RESTOREDC = 0x00000022,
  EMR_SETWORLDTRANSFORM = 0x00000023,
  EMR_MODIFYWORLDTRANSFORM = 0x00000024,
  EMR_SELECTOBJECT = 0x00000025,
  EMR_CREATEPEN = 0x00000026,
  EMR_CREATEBRUSHINDIRECT = 0x00000027,
  EMR_DELETEOBJECT = 0x00000028,
  EMR_ANGLEARC = 0x00000029,
  EMR_ELLIPSE = 0x0000002A,
  EMR_RECTANGLE = 0x0000002B,
  EMR_ROUNDRECT = 0x0000002C,
  EMR_ARC = 0x0000002D,
  EMR_CHORD = 0x0000002E,
  EMR_PIE = 0x0000002F,
  EMR_SELECTPALETTE = 0x00000030,
  EMR_CREATEPALETTE = 0x00000031,
  EMR_SETPALETTEENTRIES = 0x00000032,
  EMR_RESIZEPALETTE = 0x00000033,
  EMR_REALIZEPALETTE = 0x00000034,
  EMR_EXTFLOODFILL = 0x00000035,
  EMR_LINETO = 0x00000036,
  EMR_ARCTO = 0x00000037,
  EMR_POLYDRAW = 0x00000038,
  EMR_SETARCDIRECTION = 0x00000039,
  EMR_SETMITERLIMIT = 0x0000003A,
  EMR_BEGINPATH = 0x0000003B,
  EMR_ENDPATH = 0x0000003C,
  EMR_CLOSEFIGURE = 0x0000003D,
  EMR_FILLPATH = 0x0000003E,
  EMR_STROKEANDFILLPATH = 0x0000003F,
  EMR_STROKEPATH = 0x00000040,
  EMR_FLATTENPATH = 0x00000041,
  EMR_WIDENPATH = 0x00000042,
  EMR_SELECTCLIPPATH = 0x00000043,
  EMR_ABORTPATH = 0x00000044,
  EMR_RESERVED_69 = 0x00000045,
  EMR_COMMENT = 0x00000046,
  EMR_FILLRGN = 0x00000047,
  EMR_FRAMERGN = 0x00000048,
  EMR_INVERTRGN = 0x00000049,
  EMR_PAINTRGN = 0x0000004A,
  EMR_EXTSELECTCLIPRGN = 0x0000004B,
  EMR_BITBLT = 0x0000004C,
  EMR_STRETCHBLT = 0x0000004D,
  EMR_MASKBLT = 0x0000004E,
  EMR_PLGBLT = 0x0000004F,
  EMR_SETDIBITSTODEVICE = 0x00000050,
  EMR_STRETCHDIBITS = 0x00000051,
  EMR_EXTCREATEFONTINDIRECTW = 0x00000052,
  EMR_EXTTEXTOUTA = 0x00000053,
  EMR_EXTTEXTOUTW = 0x00000054,
  EMR_POLYBEZIER16 = 0x00000055,
  EMR_POLYGON16 = 0x00000056,
  EMR_POLYLINE16 = 0x00000057,
  EMR_POLYBEZIERTO16 = 0x00000058,
  EMR_POLYLINETO16 = 0x00000059,
  EMR_POLYPOLYLINE16 = 0x0000005A,
  EMR_POLYPOLYGON16 = 0x0000005B,
  EMR_POLYDRAW16 = 0x0000005C,
  EMR_CREATEMONOBRUSH = 0x0000005D,
  EMR_CREATEDIBPATTERNBRUSHPT = 0x0000005E,
  EMR_EXTCREATEPEN = 0x0000005F,
  EMR_POLYTEXTOUTA = 0x00000060,
  EMR_POLYTEXTOUTW = 0x00000061,
  EMR_SETICMMODE = 0x00000062,
  EMR_CREATECOLORSPACE = 0x00000063,
  EMR_SETCOLORSPACE = 0x00000064,
  EMR_DELETECOLORSPACE = 0x00000065,
  EMR_GLSRECORD = 0x00000066,
  EMR_GLSBOUNDEDRECORD = 0x00000067,
  EMR_PIXELFORMAT = 0x00000068,
  EMR_DRAWESCAPE = 0x00000069,
  EMR_EXTESCAPE = 0x0000006A,
  EMR_RESERVED_107 = 0x0000006B,
  EMR_SMALLTEXTOUT = 0x0000006C,
  EMR_FORCEUFIMAPPING = 0x0000006D,
  EMR_NAMEDESCAPE = 0x0000006E,
  EMR_COLORCORRECTPALETTE = 0x0000006F,
  EMR_SETICMPROFILEA = 0x00000070,
  EMR_SETICMPROFILEW = 0x00000071,
  EMR_ALPHABLEND = 0x00000072,
  EMR_SETLAYOUT = 0x00000073,
  EMR_TRANSPARENTBLT = 0x00000074,
  EMR_RESERVED_117 = 0x00000075,
  EMR_GRADIENTFILL = 0x00000076,
  EMR_SETLINKEDUFIS = 0x00000077,
  EMR_SETTEXTJUSTIFICATION = 0x00000078,
  EMR_COLORMATCHTOTARGETW = 0x00000079,
  EMR_CREATECOLORSPACEW = 0x0000007A
} RecordType;

typedef struct {
  LONG  cx;
  LONG  cy;
} SIZEL;

typedef struct _RECTL { 
  LONG left; 
  LONG top; 
  LONG right; 
  LONG bottom; 
} RECTL; 

typedef struct {
  RecordType   iType;           // Record type EMR_HEADER.
  DWORD   nSize;           // Record size in bytes. This may be greater
                           // than the sizeof(ENHMETAHEADER).
  RECTL   rclBounds;       // Inclusive-inclusive bounds in device units.
  RECTL   rclFrame;        // Inclusive-inclusive Picture Frame of 
                           // metafile in .01 mm units. 
  DWORD   dSignature;      // Signature.  Must be ENHMETA_SIGNATURE.
  DWORD   nVersion;        // Version number.
  DWORD   nBytes;          // Size of the metafile in bytes.
  DWORD   nRecords;        // Number of records in the metafile.
  WORD    nHandles;        // Number of handles in the handle table.
                           // Handle index zero is reserved.
  WORD    sReserved;       // Reserved.  Must be zero.
  DWORD   nDescription;    // Number of chars in the unicode description string.
                           // This is 0 if there is no description string.
  DWORD   offDescription;  // Offset to the metafile description record.
                           // This is 0 if there is no description string.
  DWORD   nPalEntries;     // Number of entries in the metafile palette.
  SIZEL   szlDevice;       // Size of the reference device in pixels. 
  SIZEL   szlMillimeters;  // Size of the reference device in millimeters.
} Header;

typedef struct {
  WORD desc[header.nDescription];
} Description;

typedef struct {
  RecordType	iType;              // Record type EMR_XXX
  DWORD		nSize;              // Record size in bytes
  DWORD		dParm[((nSize-8)/4)];   // DWORD Array of parameters
} Record;

typedef struct {
  uchar	Reserved;
  uchar	Blue;
  uchar	Green;
  uchar	Red;
} PaletteEntry;

// START

LittleEndian();

// Header
Header header;

// Optional Description
FSeek(header.offDescription);
Description description;

// Start of Records (after header)
FSeek(header.nSize);

// Parse the number of records indicated in the header
local int recCnt = 0;
for( recCnt = 0; recCnt < header.nRecords - 1; recCnt++ ) {
  Record record;
}
// If the last record wasn't EMR_EOF, there should be more records
// even though they exceed the count in the header
do {
  Record extrarecord;
  recCnt++;
} while( record[recCnt-1].iType != EMR_EOF);

// Check last record or header for presence of Palette
local int palCnt = 0;
for( palCnt = 0; palCnt < header.nPalEntries; palCnt++ ) {
  PaletteEntry paletteentry;
}