Add basic path support

Sources/COpenSwiftUI/Overlay/CoreGraphics/__CGPathParseString.m

@@ -0,0 +1,12 @@
+//
+//  __CGPathParseString.m
+//  COpenSwiftUI
+
+#include "__CGPathParseString.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+BOOL __CGPathParseString(CGMutablePathRef path, const char *utf8CString) {
+    // TODO
+    return NO;
+}
+#endif

Sources/COpenSwiftUI/dyld_Private.c

@@ -1,8 +1,6 @@
 //
 //  dyld_Private.c
-//  
-//
-//
+//  COpenSwiftUI
 
 #include "dyld_Private.h"
 

Sources/COpenSwiftUI/include/__CGPathParseString.h

@@ -0,0 +1,24 @@
+//
+//  __CGPathParseString.m
+//  COpenSwiftUI
+
+#ifndef __CGPathParseString_h
+#define __CGPathParseString_h
+
+#include "OpenSwiftUIBase.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+
+#include <Foundation/Foundation.h>
+#include <CoreGraphics/CoreGraphics.h>
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
+OPENSWIFTUI_EXPORT
+BOOL __CGPathParseString(CGMutablePathRef path, const char *utf8CString);
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
+#endif
+
+#endif /* __CGPathParseString_h */

Sources/OpenSwiftUI/Core/Data/UnsafeAtomicLazy.swift

@@ -0,0 +1,19 @@
+//
+//  UnsafeAtomicLazy.swift
+//  OpenSwiftUI
+//
+//  Audited for RELEASE_2021
+//  Status: WIP
+
+struct UnsafeAtomicLazy<Data>: Destroyable {
+    @UnsafeLockedPointer
+    var cache: Data?
+
+    func read(_ block: () -> Data) -> Data {
+        fatalError("TODO") // StrokedPath.boundingRect
+    }
+
+    func destroy() {
+        _cache.destroy()
+    }
+}

Sources/OpenSwiftUI/View/Shape/Path/FixedRoundedRect.swift

@@ -0,0 +1,32 @@
+//  FixedRoundedRect.swift
+//  OpenSwiftUI
+//
+//  Audited for RELEASE_2021
+//  Status: WIP
+
+import Foundation
+import CoreGraphics
+
+@usableFromInline
+struct FixedRoundedRect: Equatable {
+    var rect: CGRect
+    var cornerSize: CGSize
+    var style: RoundedCornerStyle
+
+    func contains(_ roundedRect: FixedRoundedRect) -> Bool {
+        guard rect.insetBy(dx: -0.001, dy: -0.001).contains(roundedRect.rect) else {
+            return false
+        }
+        guard !(cornerSize.width <= roundedRect.cornerSize.width && cornerSize.height <= roundedRect.cornerSize.height) else {
+            return true
+        }
+        let minCornerWidth = min(abs(rect.size.width) / 2, cornerSize.width)
+        let minCornerHeight = min(abs(rect.size.height) / 2, cornerSize.height)
+        let factor = 1 - cos(45 * Double.pi / 180) // const value 0.292893
+        return rect.insetBy(dx: minCornerWidth * factor, dy: minCornerHeight * factor).contains(roundedRect.rect)
+    }
+
+    func distance(to point: CGPoint) -> CGFloat {
+        fatalError("TODO")
+    }
+}