update sk_region bindings

binding/Binding/SkiaApi.cs

@@ -1132,22 +1132,32 @@ namespace SkiaSharp
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
 		public extern static sk_region_t sk_region_new2(sk_region_t r);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_contains(sk_region_t r, sk_region_t region);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_contains2(sk_region_t r, int x, int y);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_intersects(sk_region_t r, sk_region_t src);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_intersects(sk_region_t r, SKRectI rect);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_set(sk_region_t r, sk_region_t src);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_set_rect(sk_region_t r, ref SKRectI rect);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_set_path(sk_region_t r, sk_path_t t);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_op(sk_region_t r, int left, int top, int right, int bottom, SKRegionOperation op);
+		[return: MarshalAs(UnmanagedType.I1)] 
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs(UnmanagedType.I1)] 
 		public extern static bool sk_region_op2(sk_region_t r, sk_region_t src, SKRegionOperation op);
 		[DllImport(SKIA, CallingConvention = CallingConvention.Cdecl)]
 		public extern static SKRectI sk_region_get_bounds(sk_region_t r);

native-builds/src/SkiaKeeper.c

@@ -23,6 +23,7 @@
 #include "sk_path.h"
 #include "sk_patheffect.h"
 #include "sk_picture.h"
+#include "sk_region.h"
 #include "sk_shader.h"
 #include "sk_shader.h"
 #include "sk_stream.h"
@@ -47,6 +48,7 @@ void** KeepSkiaCSymbols ()
         (void*)sk_paint_new,
         (void*)sk_path_new,
         (void*)sk_picture_recorder_new,
+        (void*)sk_region_new,
         (void*)sk_shader_ref,
         (void*)sk_surface_new_raster,
         (void*)sk_colortype_get_default_8888,