EMR_SELECTOBJECT

README.md

@@ -5,4 +5,4 @@ SharpEmf is a cross-platform .NET library for parsing EMF files. It does not dep
 Documentation for the EMF standard can be found [here](https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-emf).
 
 **TODO**
-- Create a EMF to SVG converter
+- Create an EMF to SVG converter

SharpEmf.sln.DotSettings

@@ -83,6 +83,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=ROUNDRECT/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=RTLREADING/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=SELECTCLIPPATH/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=SELECTOBJECT/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=SETABORTPROC/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=SETCOLORTABLE/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=SETCOPYCOUNT/@EntryIndexedValue">True</s:Boolean>

src/SharpEmf/Enums/EmfRecordType.cs

@@ -105,6 +105,11 @@ public enum EmfRecordType : uint
     /// </summary>
     EMR_INTERSECTCLIPRECT = 0x0000001E,
 
+    /// <summary>
+    /// Selects an object in the playback device context, which is identified by its index in the EMF object table
+    /// </summary>
+    EMR_SELECTOBJECT = 0x00000025,
+
     /// <summary>
     /// Defines a line segment of an arc
     /// </summary>

src/SharpEmf/Enums/PolygonFillMode.cs

@@ -6,7 +6,7 @@ namespace SharpEmf.Enums;
 /// Defines values that specify how to calculate the region of a polygon that is to be filled
 /// </summary>
 [PublicAPI]
-public enum PolygonFillMode
+public enum PolygonFillMode : uint
 {
     /// <summary>
     /// Selects alternate mode (fills the area between odd-numbered and even-numbered polygon sides on each scan line)

src/SharpEmf/Enums/StockObject.cs

@@ -0,0 +1,30 @@
+using JetBrains.Annotations;
+
+namespace SharpEmf.Enums;
+
+/// <summary>
+/// Specifies the indexes of predefined logical graphics objects that can be used in graphics operations
+/// </summary>
+[PublicAPI]
+public enum StockObject : uint
+{
+    WHITE_BRUSH = 0x80000000,
+    LTGRAY_BRUSH = 0x80000001,
+    GRAY_BRUSH = 0x80000002,
+    DKGRAY_BRUSH = 0x80000003,
+    BLACK_BRUSH = 0x80000004,
+    NULL_BRUSH = 0x80000005,
+    WHITE_PEN = 0x80000006,
+    BLACK_PEN = 0x80000007,
+    NULL_PEN = 0x80000008,
+    OEM_FIXED_FONT = 0x8000000A,
+    ANSI_FIXED_FONT = 0x8000000B,
+    ANSI_VAR_FONT = 0x8000000C,
+    SYSTEM_FONT = 0x8000000D,
+    DEVICE_DEFAULT_FONT = 0x8000000E,
+    DEFAULT_PALETTE = 0x8000000F,
+    SYSTEM_FIXED_FONT = 0x80000010,
+    DEFAULT_GUI_FONT = 0x80000011,
+    DC_BRUSH = 0x80000012,
+    DC_PEN = 0x80000013
+}

src/SharpEmf/Records/EnhancedMetafileRecord.cs

@@ -8,6 +8,7 @@
 using SharpEmf.Records.Control.Header;
 using SharpEmf.Records.Drawing;
 using SharpEmf.Records.Escape;
+using SharpEmf.Records.ObjectManipulation;
 using SharpEmf.Records.PathBracket;
 using SharpEmf.Records.State;
 
@@ -53,6 +54,7 @@ public static EnhancedMetafileRecord Parse(Stream stream)
             EmfRecordType.EMR_OFFSETCLIPRGN => EmrOffsetClipRgn.Parse,
             EmfRecordType.EMR_EXCLUDECLIPRECT => EmrExcludeClipRect.Parse,
             EmfRecordType.EMR_INTERSECTCLIPRECT => EmrIntersectClipRect.Parse,
+            EmfRecordType.EMR_SELECTOBJECT => EmrSelectObject.Parse,
             EmfRecordType.EMR_ANGLEARC => EmrAngleArc.Parse,
             EmfRecordType.EMR_ELLIPSE => EmrEllipse.Parse,
             EmfRecordType.EMR_RECTANGLE => EmrRectangle.Parse,

src/SharpEmf/Records/ObjectManipulation/EmrSelectObject.cs

@@ -0,0 +1,39 @@
+using JetBrains.Annotations;
+using SharpEmf.Enums;
+using SharpEmf.Exceptions;
+using SharpEmf.Extensions;
+using SharpEmf.Interfaces;
+
+namespace SharpEmf.Records.ObjectManipulation;
+
+/// <inheritdoc cref="EmfRecordType.EMR_SELECTOBJECT"/>
+[PublicAPI]
+public record EmrSelectObject : EnhancedMetafileRecord, IEmfParsable<EmrSelectObject>
+{
+    /// <summary>
+    /// Specifies either the index of a graphics object in the EMF object table or the index of a stock object in the <see cref="StockObject"/> enumeration
+    /// </summary>
+    /// <remarks>
+    /// The object index MUST NOT be zero, which is reserved and refers to the EMF metafile itself. <para />
+    /// The object specified by this record MUST be used in subsequent EMF drawing operations, until another EMR_SELECTOBJECT record
+    /// changes the object of that type or the object is deleted
+    /// </remarks>
+    public uint IHObject { get; }
+
+    private EmrSelectObject(EmfRecordType Type, uint Size, uint ihObject) : base(Type, Size)
+    {
+        IHObject = ihObject;
+    }
+
+    public static EmrSelectObject Parse(Stream stream, EmfRecordType recordType, uint size)
+    {
+        var ihObject = stream.ReadUInt32();
+
+        if (ihObject == 0)
+        {
+            throw new EmfParseException("Object index MUST NOT be zero");
+        }
+
+        return new EmrSelectObject(recordType, size, ihObject);
+    }
+}