Make XMP internal, minor cleanup

src/ImageSharp/Formats/Tiff/TiffDecoderCore.cs

@@ -120,22 +120,18 @@ namespace SixLabors.ImageSharp.Formats.Tiff
 
             ImageMetadata metadata = TiffDecoderMetadataCreator.Create(frames, tiffFramesMataData, this.ignoreMetadata, reader.ByteOrder);
 
-            // todo: tiff frames can have different sizes
+            // TODO: Tiff frames can have different sizes
+            ImageFrame<TPixel> root = frames[0];
+            this.Dimensions = root.Size();
+            foreach (ImageFrame<TPixel> frame in frames)
             {
-                ImageFrame<TPixel> root = frames[0];
-                this.Dimensions = root.Size();
-                foreach (ImageFrame<TPixel> frame in frames)
+                if (frame.Size() != root.Size())
                 {
-                    if (frame.Size() != root.Size())
-                    {
-                        TiffThrowHelper.ThrowNotSupported("Images with different sizes are not supported");
-                    }
+                    TiffThrowHelper.ThrowNotSupported("Images with different sizes are not supported");
                 }
             }
 
-            var image = new Image<TPixel>(this.Configuration, metadata, frames);
-
-            return image;
+            return new Image<TPixel>(this.Configuration, metadata, frames);
         }
 
         /// <inheritdoc/>

src/ImageSharp/Formats/Tiff/TiffDecoderMetadataCreator.cs

@@ -20,7 +20,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff
         public static ImageMetadata Create<TPixel>(List<ImageFrame<TPixel>> frames, List<TiffFrameMetadata> framesMetaData, bool ignoreMetadata, ByteOrder byteOrder)
             where TPixel : unmanaged, IPixel<TPixel>
         {
-            DebugGuard.IsTrue(frames.Count() == framesMetaData.Count, nameof(frames), "Image frames and frames metdadata should be the same size.");
+            DebugGuard.IsTrue(frames.Count == framesMetaData.Count, nameof(frames), "Image frames and frames metadata should be the same size.");
 
             if (framesMetaData.Count < 1)
             {
@@ -50,12 +50,9 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                         }
                     }
 
-                    if (imageMetaData.IptcProfile == null)
+                    if (imageMetaData.IptcProfile == null && TryGetIptc(frameMetaData.ExifProfile.Values, out byte[] iptcBytes))
                     {
-                        if (TryGetIptc(frameMetaData.ExifProfile.Values, out byte[] iptcBytes))
-                        {
-                            imageMetaData.IptcProfile = new IptcProfile(iptcBytes);
-                        }
+                        imageMetaData.IptcProfile = new IptcProfile(iptcBytes);
                     }
 
                     if (imageMetaData.IccProfile == null)
@@ -146,8 +143,6 @@ namespace SixLabors.ImageSharp.Formats.Tiff
 
                     return true;
                 }
-
-                return false;
             }
 
             return false;

src/ImageSharp/Formats/Tiff/TiffFrameMetadata.cs

@@ -217,17 +217,18 @@ namespace SixLabors.ImageSharp.Formats.Tiff
         /// <inheritdoc/>
         public IDeepCloneable DeepClone()
         {
-            var clone = new TiffFrameMetadata();
-
-            clone.FillOrder = this.FillOrder;
-            clone.Compression = this.Compression;
-            clone.FaxCompressionOptions = this.FaxCompressionOptions;
-            clone.SubfileType = this.SubfileType ?? TiffNewSubfileType.FullImage;
-            clone.OldSubfileType = this.OldSubfileType ?? TiffSubfileType.FullImage;
-            clone.HorizontalResolution = this.HorizontalResolution ?? ImageMetadata.DefaultHorizontalResolution;
-            clone.VerticalResolution = this.VerticalResolution ?? ImageMetadata.DefaultVerticalResolution;
-            clone.ResolutionUnit = this.ResolutionUnit;
-            clone.PlanarConfiguration = this.PlanarConfiguration;
+            var clone = new TiffFrameMetadata
+            {
+                FillOrder = this.FillOrder,
+                Compression = this.Compression,
+                FaxCompressionOptions = this.FaxCompressionOptions,
+                SubfileType = this.SubfileType ?? TiffNewSubfileType.FullImage,
+                OldSubfileType = this.OldSubfileType ?? TiffSubfileType.FullImage,
+                HorizontalResolution = this.HorizontalResolution ?? ImageMetadata.DefaultHorizontalResolution,
+                VerticalResolution = this.VerticalResolution ?? ImageMetadata.DefaultVerticalResolution,
+                ResolutionUnit = this.ResolutionUnit,
+                PlanarConfiguration = this.PlanarConfiguration
+            };
 
             if (this.ColorMap != null)
             {

src/ImageSharp/Metadata/ImageFrameMetadata.cs

@@ -51,7 +51,7 @@ namespace SixLabors.ImageSharp.Metadata
         /// <summary>
         /// Gets or sets the XMP profile.
         /// </summary>
-        public byte[] XmpProfile { get; set; }
+        internal byte[] XmpProfile { get; set; }
 
         /// <inheritdoc/>
         public ImageFrameMetadata DeepClone() => new ImageFrameMetadata(this);