[SKImage] Allow for images to be encoded in more formats

binding/Binding/SKImage.cs

@@ -10,6 +10,18 @@ using System;
 
 namespace SkiaSharp
 {
+	public enum SKImageEncodeFormat {
+		Unknown,
+		Bmp,
+		Gif,
+		Ico,
+		Jpeg,
+		Png,
+		Wbmp,
+		Webp,
+		Ktx,
+	}
+	
 	public class SKImage : SKObject
 	{
 		protected override void Dispose (bool disposing)
@@ -62,6 +74,11 @@ namespace SkiaSharp
 			return new SKData (SkiaApi.sk_image_encode (Handle));
 		}
 
+		public SKData Encode (SKImageEncodeFormat format, int quality)
+		{
+			return new SKData (SkiaApi.sk_image_encode_specific (Handle, format, quality));
+		}
+
 		public int Width => SkiaApi.sk_image_get_width (Handle);
 		public int Height => SkiaApi.sk_image_get_height (Handle); 
 		public uint UniqueId => SkiaApi.sk_image_get_unique_id (Handle);

binding/Binding/SkiaApi.cs

@@ -255,6 +255,8 @@ namespace SkiaSharp
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
 		public extern static sk_data_t sk_image_encode(sk_image_t t);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		public extern static sk_data_t sk_image_encode_specific(sk_image_t t, SKImageEncodeFormat format, int quality);
+		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
 		public extern static void sk_image_unref(sk_image_t t);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
 		public extern static int sk_image_get_width(sk_image_t t);

docs/en/SkiaSharp/SKData.xml

@@ -131,9 +131,6 @@
       <MemberSignature Language="C#" Value="public static SkiaSharp.SKData FromMallocMemory (byte[] bytes);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig class SkiaSharp.SKData FromMallocMemory(unsigned int8[] bytes) cil managed" />
       <MemberType>Method</MemberType>
-      <AssemblyInfo>
-        <AssemblyVersion>1.0.0.0</AssemblyVersion>
-      </AssemblyInfo>
       <ReturnValue>
         <ReturnType>SkiaSharp.SKData</ReturnType>
       </ReturnValue>

docs/en/SkiaSharp/SKImage.xml

@@ -60,6 +60,28 @@
         </remarks>
       </Docs>
     </Member>
+    <Member MemberName="Encode">
+      <MemberSignature Language="C#" Value="public SkiaSharp.SKData Encode (SkiaSharp.SKImageEncodeFormat format, int quality);" />
+      <MemberSignature Language="ILAsm" Value=".method public hidebysig instance class SkiaSharp.SKData Encode(valuetype SkiaSharp.SKImageEncodeFormat format, int32 quality) cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>1.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>SkiaSharp.SKData</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="format" Type="SkiaSharp.SKImageEncodeFormat" />
+        <Parameter Name="quality" Type="System.Int32" />
+      </Parameters>
+      <Docs>
+        <param name="format">To be added.</param>
+        <param name="quality">To be added.</param>
+        <summary>To be added.</summary>
+        <returns>To be added.</returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
     <Member MemberName="FromData">
       <MemberSignature Language="C#" Value="public static SkiaSharp.SKImage FromData (SkiaSharp.SKData data);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig class SkiaSharp.SKImage FromData(class SkiaSharp.SKData data) cil managed" />

docs/en/index.xml

@@ -66,6 +66,7 @@
       <Type Name="SKImageDecoderFormat" Kind="Enumeration" />
       <Type Name="SKImageDecoderMode" Kind="Enumeration" />
       <Type Name="SKImageDecoderResult" Kind="Enumeration" />
+      <Type Name="SKImageEncodeFormat" Kind="Enumeration" />
       <Type Name="SKImageFilter" Kind="Class" />
       <Type Name="SKImageFilter+CropRect" Kind="Class" />
       <Type Name="SKImageInfo" Kind="Structure" />

skia

@@ -1 +1 @@
-Subproject commit b013c01c28c3210ca5cea134cfbc819c1efa5c0d
+Subproject commit 135c8ca428342a2abfcd43f2d300f1f2e9ab03f4