Added InlineArray pattern overloads to the library to optimize for macOS 26.

Sources/PlaydateKit/Graphics/Structures/Pattern.swift

@@ -19,3 +19,32 @@ extension Graphics {
         }
     }
 }
+
+// InlineArray needs macOS 26 on the host, so these conveniences are gated
+// there while the tuple API keeps working on older systems. The device and
+// Linux have no such restriction. Both representations are 16 contiguous
+// bytes, so converting between them is a reinterpretation, not a copy.
+@available(macOS 26, *)
+extension Graphics.Pattern {
+    /// Creates a pattern from 8 rows of image data and 8 rows of mask.
+    public init(bytes: [16 of UInt8]) {
+        self.init(bytes: unsafeBitCast(bytes, to: Bytes.self))
+    }
+
+    /// Creates an opaque pattern from 8 rows of image data.
+    public init(rows: [8 of UInt8]) {
+        self.init(bytes: [16 of UInt8] { $0 < 8 ? rows[$0] : 0xff })
+    }
+
+    /// The pattern's bytes as an inline array: 8 rows of image data
+    /// followed by 8 rows of mask.
+    public var inlineBytes: [16 of UInt8] {
+        get { unsafeBitCast(bytes, to: [16 of UInt8].self) }
+        set { bytes = unsafeBitCast(newValue, to: Bytes.self) }
+    }
+}
+
+extension Graphics.Pattern {
+    typealias Bytes = (UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8,
+                       UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8)
+}

Sources/PlaydateKit/Sprite/Classes/Sprite.swift

@@ -244,6 +244,17 @@ public final class Sprite {
         }
     }
 
+    /// Sets an 8×8 stencil pattern (8 rows of image data).
+    @available(macOS 26, *)
+    public func setStencilPattern(_ rows: [8 of UInt8]) {
+        // The C side copies the pattern, so passing the array's storage
+        // directly is safe.
+        rows.span.withUnsafeBufferPointer { buffer in
+            spriteAPI.pointee.setStencilPattern.unsafelyUnwrapped(
+                pointer, UnsafeMutablePointer(mutating: buffer.baseAddress))
+        }
+    }
+
     public func clearStencil() {
         retainedStencil = nil
         spriteAPI.pointee.clearStencil.unsafelyUnwrapped(pointer)