1 files changed, 198 insertions, 0 deletions
diff --git a/external/construct/formats/graphics/emf.py b/external/construct/formats/graphics/emf.py
new file mode 100644
index 0000000..4f00a03
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+++ b/external/construct/formats/graphics/emf.py
@@ -0,0 +1,198 @@
+"""
+Enhanced Meta File
+"""
+from construct import *
+
+
+record_type = Enum(ULInt32("record_type"),
+    ABORTPATH = 68,
+    ANGLEARC = 41,
+    ARC = 45,
+    ARCTO = 55,
+    BEGINPATH = 59,
+    BITBLT = 76,
+    CHORD = 46,
+    CLOSEFIGURE = 61,
+    CREATEBRUSHINDIRECT = 39,
+    CREATEDIBPATTERNBRUSHPT = 94,
+    CREATEMONOBRUSH = 93,
+    CREATEPALETTE = 49,
+    CREATEPEN = 38,
+    DELETEOBJECT = 40,
+    ELLIPSE = 42,
+    ENDPATH = 60,
+    EOF = 14,
+    EXCLUDECLIPRECT = 29,
+    EXTCREATEFONTINDIRECTW = 82,
+    EXTCREATEPEN = 95,
+    EXTFLOODFILL = 53,
+    EXTSELECTCLIPRGN = 75,
+    EXTTEXTOUTA = 83,
+    EXTTEXTOUTW = 84,
+    FILLPATH = 62,
+    FILLRGN = 71,
+    FLATTENPATH = 65,
+    FRAMERGN = 72,
+    GDICOMMENT = 70,
+    HEADER = 1,
+    INTERSECTCLIPRECT = 30,
+    INVERTRGN = 73,
+    LINETO = 54,
+    MASKBLT = 78,
+    MODIFYWORLDTRANSFORM = 36,
+    MOVETOEX = 27,
+    OFFSETCLIPRGN = 26,
+    PAINTRGN = 74,
+    PIE = 47,
+    PLGBLT = 79,
+    POLYBEZIER = 2,
+    POLYBEZIER16 = 85,
+    POLYBEZIERTO = 5,
+    POLYBEZIERTO16 = 88,
+    POLYDRAW = 56,
+    POLYDRAW16 = 92,
+    POLYGON = 3,
+    POLYGON16 = 86,
+    POLYLINE = 4,
+    POLYLINE16 = 87,
+    POLYLINETO = 6,
+    POLYLINETO16 = 89,
+    POLYPOLYGON = 8,
+    POLYPOLYGON16 = 91,
+    POLYPOLYLINE = 7,
+    POLYPOLYLINE16 = 90,
+    POLYTEXTOUTA = 96,
+    POLYTEXTOUTW = 97,
+    REALIZEPALETTE = 52,
+    RECTANGLE = 43,
+    RESIZEPALETTE = 51,
+    RESTOREDC = 34,
+    ROUNDRECT = 44,
+    SAVEDC = 33,
+    SCALEVIEWPORTEXTEX = 31,
+    SCALEWINDOWEXTEX = 32,
+    SELECTCLIPPATH = 67,
+    SELECTOBJECT = 37,
+    SELECTPALETTE = 48,
+    SETARCDIRECTION = 57,
+    SETBKCOLOR = 25,
+    SETBKMODE = 18,
+    SETBRUSHORGEX = 13,
+    SETCOLORADJUSTMENT = 23,
+    SETDIBITSTODEVICE = 80,
+    SETMAPMODE = 17,
+    SETMAPPERFLAGS = 16,
+    SETMETARGN = 28,
+    SETMITERLIMIT = 58,
+    SETPALETTEENTRIES = 50,
+    SETPIXELV = 15,
+    SETPOLYFILLMODE = 19,
+    SETROP2 = 20,
+    SETSTRETCHBLTMODE = 21,
+    SETTEXTALIGN = 22,
+    SETTEXTCOLOR = 24,
+    SETVIEWPORTEXTEX = 11,
+    SETVIEWPORTORGEX = 12,
+    SETWINDOWEXTEX = 9,
+    SETWINDOWORGEX = 10,
+    SETWORLDTRANSFORM = 35,
+    STRETCHBLT = 77,
+    STRETCHDIBITS = 81,
+    STROKEANDFILLPATH = 63,
+    STROKEPATH = 64,
+    WIDENPATH = 66,
+    _default_ = Pass,
+)
+
+generic_record = Struct("records",
+    record_type,
+    ULInt32("record_size"),      # Size of the record in bytes 
+    Union("params",              # Parameters
+        Field("raw", lambda ctx: ctx._.record_size - 8),
+        Array(lambda ctx: (ctx._.record_size - 8) // 4, ULInt32("params"))
+    ),
+)
+
+header_record = Struct("header_record",
+    Const(record_type, "HEADER"),
+    ULInt32("record_size"),              # Size of the record in bytes 
+    SLInt32("bounds_left"),              # Left inclusive bounds 
+    SLInt32("bounds_right"),             # Right inclusive bounds 
+    SLInt32("bounds_top"),               # Top inclusive bounds 
+    SLInt32("bounds_bottom"),            # Bottom inclusive bounds 
+    SLInt32("frame_left"),               # Left side of inclusive picture frame 
+    SLInt32("frame_right"),              # Right side of inclusive picture frame 
+    SLInt32("frame_top"),                # Top side of inclusive picture frame 
+    SLInt32("frame_bottom"),             # Bottom side of inclusive picture frame 
+    Const(ULInt32("signature"), 0x464D4520),
+    ULInt32("version"),                  # Version of the metafile 
+    ULInt32("size"),                     # Size of the metafile in bytes 
+    ULInt32("num_of_records"),           # Number of records in the metafile 
+    ULInt16("num_of_handles"),           # Number of handles in the handle table 
+    Padding(2),
+    ULInt32("description_size"),         # Size of description string in WORDs 
+    ULInt32("description_offset"),       # Offset of description string in metafile 
+    ULInt32("num_of_palette_entries"),   # Number of color palette entries 
+    SLInt32("device_width_pixels"),      # Width of reference device in pixels 
+    SLInt32("device_height_pixels"),     # Height of reference device in pixels 
+    SLInt32("device_width_mm"),          # Width of reference device in millimeters
+    SLInt32("device_height_mm"),         # Height of reference device in millimeters
+    
+    # description string
+    Pointer(lambda ctx: ctx.description_offset,
+        StringAdapter(
+            Array(lambda ctx: ctx.description_size,
+                Field("description", 2)
+            )
+        )
+    ),
+    
+    # padding up to end of record
+    Padding(lambda ctx: ctx.record_size - 88),
+)
+
+emf_file = Struct("emf_file",
+    header_record,
+    Array(lambda ctx: ctx.header_record.num_of_records - 1, 
+        generic_record
+    ),
+)
+
+
+if __name__ == "__main__":
+    obj = emf_file.parse_stream(open("../../../tests/emf1.emf", "rb"))
+    print (obj)
+
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