1 files changed, 129 insertions, 0 deletions
diff --git a/external/construct/formats/graphics/wmf.py b/external/construct/formats/graphics/wmf.py
new file mode 100644
index 0000000..55e79dd
--- /dev/null
+++ b/external/construct/formats/graphics/wmf.py
@@ -0,0 +1,129 @@
+"""
+Windows Meta File
+"""
+from construct import *
+
+
+wmf_record = Struct("records",
+    ULInt32("size"), # size in words, including the size, function and params
+    Enum(ULInt16("function"),
+        AbortDoc = 0x0052,
+        Aldus_Header = 0x0001,
+        AnimatePalette = 0x0436,
+        Arc = 0x0817,
+        BitBlt = 0x0922,
+        Chord = 0x0830,
+        CLP_Header16 = 0x0002,
+        CLP_Header32 = 0x0003,
+        CreateBitmap = 0x06FE,
+        CreateBitmapIndirect = 0x02FD,
+        CreateBrush = 0x00F8,
+        CreateBrushIndirect = 0x02FC,
+        CreateFontIndirect = 0x02FB,
+        CreatePalette = 0x00F7,
+        CreatePatternBrush = 0x01F9,
+        CreatePenIndirect = 0x02FA,
+        CreateRegion = 0x06FF,
+        DeleteObject = 0x01F0,
+        DibBitblt = 0x0940,
+        DibCreatePatternBrush = 0x0142,
+        DibStretchBlt = 0x0B41,
+        DrawText = 0x062F,
+        Ellipse = 0x0418,
+        EndDoc = 0x005E,
+        EndPage = 0x0050,
+        EOF = 0x0000,
+        Escape = 0x0626,
+        ExcludeClipRect = 0x0415,
+        ExtFloodFill = 0x0548,
+        ExtTextOut = 0x0A32,
+        FillRegion = 0x0228,
+        FloodFill = 0x0419,
+        FrameRegion = 0x0429,
+        Header = 0x0004,
+        IntersectClipRect = 0x0416,
+        InvertRegion = 0x012A,
+        LineTo = 0x0213,
+        MoveTo = 0x0214,
+        OffsetClipRgn = 0x0220,
+        OffsetViewportOrg = 0x0211,
+        OffsetWindowOrg = 0x020F,
+        PaintRegion = 0x012B,
+        PatBlt = 0x061D,
+        Pie = 0x081A,
+        Polygon = 0x0324,
+        Polyline = 0x0325,
+        PolyPolygon = 0x0538,
+        RealizePalette = 0x0035,
+        Rectangle = 0x041B,
+        ResetDC = 0x014C,
+        ResizePalette = 0x0139,
+        RestoreDC = 0x0127,
+        RoundRect = 0x061C,
+        SaveDC = 0x001E,
+        ScaleViewportExt = 0x0412,
+        ScaleWindowExt = 0x0410,
+        SelectClipRegion = 0x012C,
+        SelectObject = 0x012D,
+        SelectPalette = 0x0234,
+        SetBKColor = 0x0201,
+        SetBKMode = 0x0102,
+        SetDibToDev = 0x0D33,
+        SelLayout = 0x0149,
+        SetMapMode = 0x0103,
+        SetMapperFlags = 0x0231,
+        SetPalEntries = 0x0037,
+        SetPixel = 0x041F,
+        SetPolyFillMode = 0x0106,
+        SetReLabs = 0x0105,
+        SetROP2 = 0x0104,
+        SetStretchBltMode = 0x0107,
+        SetTextAlign = 0x012E,
+        SetTextCharExtra = 0x0108,
+        SetTextColor = 0x0209,
+        SetTextJustification = 0x020A,
+        SetViewportExt = 0x020E,
+        SetViewportOrg = 0x020D,
+        SetWindowExt = 0x020C,
+        SetWindowOrg = 0x020B,
+        StartDoc = 0x014D,
+        StartPage = 0x004F,
+        StretchBlt = 0x0B23,
+        StretchDIB = 0x0F43,
+        TextOut = 0x0521,
+        _default_ = Pass,
+    ),
+    Array(lambda ctx: ctx.size - 3, ULInt16("params")),
+)
+
+wmf_placeable_header = Struct("placeable_header",
+  Const(ULInt32("key"), 0x9AC6CDD7),
+  ULInt16("handle"),
+  SLInt16("left"),
+  SLInt16("top"),
+  SLInt16("right"),
+  SLInt16("bottom"),
+  ULInt16("units_per_inch"),
+  Padding(4),
+  ULInt16("checksum")
+)
+
+wmf_file = Struct("wmf_file",
+    # --- optional placeable header ---
+    Optional(wmf_placeable_header),
+
+    # --- header ---
+    Enum(ULInt16("type"),
+        InMemory = 0,
+        File = 1,
+    ),
+    Const(ULInt16("header_size"), 9),
+    ULInt16("version"),
+    ULInt32("size"), # file size is in words
+    ULInt16("number_of_objects"),
+    ULInt32("size_of_largest_record"),
+    ULInt16("number_of_params"),
+
+    # --- records ---
+    GreedyRange(wmf_record)
+)