[CoreGraphics] Implement Xcode 16.0 beta 1-6 changes.

src/CoreGraphics/CGColorSpace.cs

@@ -1005,6 +1005,41 @@ public bool UsesExtendedRange {
 #endif
 		public bool IsPQBased => CGColorSpaceIsPQBased (Handle) != 0;
 
+#if NET
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+#else
+		[Mac (15, 0)]
+		[iOS (18, 0)]
+		[TV (18, 0)]
+		[MacCatalyst (18, 0)]
+		[Watch (11, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		extern static /* CGColorSpaceRef */ IntPtr CGColorSpaceCopyBaseColorSpace (/* CGColorSpaceRef */ IntPtr space);
+
+		/// <summary>Get the base color space, or a new color space without any image-specific metadata.</summary>
+		/// <returns>If the current color space is a pattern or an indexed color space, get the base color space. If the current color space contains image-specific metadata associated with the gain map, get a new color space without the metadata. Otherwise returns a null value.</returns>
+#if NET
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+#else
+		[Mac (15, 0)]
+		[iOS (18, 0)]
+		[TV (18, 0)]
+		[MacCatalyst (18, 0)]
+		[Watch (11, 0)]
+#endif
+		public CGColorSpace? CopyBaseColorSpace ()
+		{
+			var h = CGColorSpaceCopyBaseColorSpace (Handle);
+			return FromHandle (h, true);
+		}
+
 
 #endif // !COREBUILD
 	}

src/CoreGraphics/CGContext.cs

@@ -1433,6 +1433,109 @@ public CGBitmapContext AsBitmapContext ()
 		public void DrawConicGradient (CGGradient? gradient, CGPoint point, nfloat angle) =>
 			CGContextDrawConicGradient (Handle, gradient.GetHandle (), point, angle);
 
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern byte CGContextSetEDRTargetHeadroom (/* CGContextRef __nonnull */ IntPtr context, /* float */ float headroom);
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern float CGContextGetEDRTargetHeadroom (/* CGContextRef __nonnull */ IntPtr context);
+
+		/// <summary>Get the EDR headroom that's used when rendering HDR content.</summary>
+		/// <returns>The EDR headroom.</returns>
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public float GetEdrTargetHeadroom ()
+		{
+			return CGContextGetEDRTargetHeadroom (Handle);
+		}
+
+		/// <summary>Get the EDR headroom that's used when rendering HDR content.</summary>
+		/// <param name="value">The value to set. Must be greater than 1.0f.</param>
+		/// <returns>Returns true if successful, false otherwise.</returns>
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public bool SetEdrTargetHeadroom (float value)
+		{
+			return CGContextSetEDRTargetHeadroom (Handle, value) != 0;
+		}
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern /* bool */ byte CGContextDrawImageApplyingToneMapping (/* CGContextRef __nonnull */ IntPtr context, CGRect r, /* CGImageRef */ IntPtr image, CGToneMapping method, /* CFDictionaryRef  __nullable */ IntPtr options);
+
+		/// <summary>Draw the specified image onto the CGContext, applying the tone mapping and any tone mapping options.</summary>
+		/// <param name="rect">The rectangle where the image is rendered.</param>
+		/// <param name="image">The image to render.</param>
+		/// <param name="method">The tone mapping method to use.</param>
+		/// <param name="options">The tone mapping options to use.</param>
+		/// <returns>Returns true if successful, otherwise false.</returns>
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public bool DrawImageApplyingToneMapping (CGRect rect, CGImage image, CGToneMapping method, NSDictionary? options)
+		{
+			var rv = CGContextDrawImageApplyingToneMapping (Handle, rect, image.Handle, method, options.GetHandle ());
+			return rv != 0;
+		}
+
+		/// <summary>Draw the specified image onto the CGContext, applying the tone mapping and any tone mapping options.</summary>
+		/// <param name="rect">The rectangle where the image is rendered.</param>
+		/// <param name="image">The image to render.</param>
+		/// <param name="method">The tone mapping method to use.</param>
+		/// <param name="options">The tone mapping options to use.</param>
+		/// <returns>Returns true if successful, otherwise false.</returns>
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public bool DrawImageApplyingToneMapping (CGRect rect, CGImage image, CGToneMapping method, CGToneMappingOptions? options)
+		{
+			var rv = CGContextDrawImageApplyingToneMapping (Handle, rect, image.Handle, method, options?.Dictionary?.GetHandle () ?? IntPtr.Zero);
+			return rv != 0;
+		}
 #endif // !COREBUILD
 	}
 }

src/CoreGraphics/CGContextPDF.cs

@@ -378,6 +378,78 @@ public void EndTag ()
 			CGPDFContextEndTag (Handle);
 		}
 
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern void CGPDFContextSetParentTree (/* CGContextRef cg_nullable */ IntPtr context, /* CGPDFDictionaryRef */ IntPtr parentTreeDictionary);
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public void SetParentTree (CGPDFDictionary parentTreeDictionary)
+		{
+			CGPDFContextSetParentTree (GetCheckedHandle (), parentTreeDictionary.GetNonNullHandle (nameof (parentTreeDictionary)));
+		}
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern void CGPDFContextSetIDTree (/* CGContextRef cg_nullable */ IntPtr context, /* CGPDFDictionaryRef */ IntPtr IDTreeDictionary);
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public void SetIdTree (CGPDFDictionary idTreeDictionary)
+		{
+			CGPDFContextSetIDTree (GetCheckedHandle (), idTreeDictionary.GetNonNullHandle (nameof (idTreeDictionary)));
+		}
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		[DllImport (Constants.CoreGraphicsLibrary)]
+		static extern void CGPDFContextSetPageTagStructureTree (/* CGContextRef cg_nullable */ IntPtr context, /* CFDictionaryRef */ IntPtr pageTagStructureTreeDictionary);
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[SupportedOSPlatform ("tvos18.0")]
+#else
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public void SetPageTagStructureTree (NSDictionary pageTagStructureTreeDictionary)
+		{
+			CGPDFContextSetPageTagStructureTree (GetCheckedHandle (), pageTagStructureTreeDictionary.GetNonNullHandle (nameof (pageTagStructureTreeDictionary)));
+		}
+
 		protected override void Dispose (bool disposing)
 		{
 			if (disposing)

src/CoreGraphics/CGEnums.cs

@@ -168,6 +168,8 @@ public enum CGPdfTagType /* int32_t */ {
 		Figure = 700,
 		Formula,
 		Form,
+		[NoWatch, TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+		Object = 800,
 	}
 
 	// untyped enum -> CGPDFObject.h

src/CoreGraphics/CGEventTypes.cs

@@ -358,15 +358,15 @@ public enum CGEventField : int {
 		EventWindowUnderMousePointerThatCanHandleThisEvent = 92,
 
 		// no documentation for this value in the header file.
-		/// <summary>A value that represnets the scroll wheel's scroll phase.</summary>
+		/// <summary>A value that represents the scroll wheel's scroll phase.</summary>
 		ScrollWheelEventScrollPhase = 99,
 
 		// no documentation for this value in the header file.
-		/// <summary>A value that represnets the scroll wheel's scroll count.</summary>
+		/// <summary>A value that represents the scroll wheel's scroll count.</summary>
 		ScrollWheelEventScrollCount = 100,
 
 		// no documentation for this value in the header file.
-		/// <summary>A value that represnets the scroll wheel's scroll momentum.</summary>
+		/// <summary>A value that represents the scroll wheel's scroll momentum.</summary>
 		ScrollWheelEventMomentumPhase = 123,
 
 		// the header file doesn't say whether this is an integer or a double
@@ -376,6 +376,26 @@ public enum CGEventField : int {
 		// the header file doesn't say whether this is an integer or a double
 		/// <summary>The unaccelerated pointer movement for the Y axis.</summary>
 		EventUnacceleratedPointerMovementY = 171,
+
+		// no documentation for this value in the header file.
+		/// <summary>A value that represents the scroll wheel's scroll momentum.</summary>
+		ScrollWheelEventMomentumOptionPhase = 173,
+
+		// no documentation for this value in the header file.
+		/// <summary>A value that represents the accelerated delta value for axis 1.</summary>
+		ScrollWheelEventAcceleratedDeltaAxis1 = 176,
+
+		// no documentation for this value in the header file.
+		/// <summary>A value that represents the accelerated delta value for axis 2.</summary>
+		ScrollWheelEventAcceleratedDeltaAxis2 = 175,
+
+		// no documentation for this value in the header file.
+		/// <summary>A value that represents the raw delta value for axis 1.</summary>
+		ScrollWheelEventRawDeltaAxis1 = 178,
+
+		// no documentation for this value in the header file.
+		/// <summary>A value that represents the raw delta value for axis 2.</summary>
+		ScrollWheelEventRawDeltaAxis2 = 177
 	}
 
 	// CGEventTypes.h:typedef uint32_t CGEventType;