[shape] add PathBlockShape

Sources/ChouTiUI/Universal/Shape/AdvancedShapes/PathBlockShape.swift

@@ -0,0 +1,53 @@
+//
+//  PathBlockShape.swift
+//  ChouTiUI
+//
+//  Created by Honghao Zhang on 7/12/22.
+//  Copyright © 2020 Honghao Zhang.
+//
+//  MIT License
+//
+//  Copyright (c) 2020 Honghao Zhang (github.com/honghaoz)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to
+//  deal in the Software without restriction, including without limitation the
+//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+//  sell copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+//  IN THE SOFTWARE.
+//
+
+import CoreGraphics
+
+import ChouTi
+
+/// A shape backed by a block that returns a shape path.
+public struct PathBlockShape: Shape {
+
+  private let shapePathBlock: HashableBox<AnyHashable, (_ rect: CGRect) -> CGPath>
+
+  /// Creates a shape from shape path block.
+  ///
+  /// - Parameters:
+  ///   - shapePathBlock: The shape path block, passed in the bounding rect. `HashableBox` is used to determine the block identity.
+  public init(_ shapePathBlock: HashableBox<AnyHashable, (_ rect: CGRect) -> CGPath>) {
+    self.shapePathBlock = shapePathBlock
+  }
+
+  // MARK: - Shape
+
+  public func path(in rect: CGRect) -> CGPath {
+    shapePathBlock.value(rect)
+  }
+}

Tests/ChouTiUITests/Universal/Shape/AdvancedShapes/PathBlockShapeTests.swift

@@ -0,0 +1,65 @@
+//
+//  PathBlockShapeTests.swift
+//  ChouTiUI
+//
+//  Created by Honghao Zhang on 9/23/24.
+//  Copyright © 2020 Honghao Zhang.
+//
+//  MIT License
+//
+//  Copyright (c) 2020 Honghao Zhang (github.com/honghaoz)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to
+//  deal in the Software without restriction, including without limitation the
+//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+//  sell copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+//  IN THE SOFTWARE.
+//
+
+import CoreGraphics
+
+import ChouTiTest
+
+import ChouTiUI
+
+final class PathBlockShapeTests: XCTestCase {
+
+  func test_path() {
+    let shape = PathBlockShape(.key("100") { rect in
+      CGPath(rect: rect, transform: nil)
+    })
+
+    expect(shape.path(in: CGRect(0, 0, 100, 100))) == CGPath(rect: CGRect(0, 0, 100, 100), transform: nil)
+  }
+
+  func test_equal() {
+    let shape1 = PathBlockShape(.key("100") { rect in
+      CGPath(rect: rect, transform: nil)
+    })
+    let shape2 = PathBlockShape(.key("100") { rect in
+      CGPath(rect: rect, transform: nil)
+    })
+    let shape3 = PathBlockShape(.key("200") { rect in
+      CGPath(rect: rect, transform: nil)
+    })
+    let shape4 = PathBlockShape(.key(123) { rect in
+      CGPath(rect: rect, transform: nil)
+    })
+
+    expect(shape1) == shape2
+    expect(shape1) != shape3
+    expect(shape1) != shape4
+  }
+}