fix(imagepicker): 크롭 범위를 보정한다

2026-08-03 21:13:45 +09:00
parent 9320657bac
commit 2db4ef1c35
6 changed files with 442 additions and 15 deletions
--- a/work/tests/ImageCropGeometryCheck.swift
+++ b/work/tests/ImageCropGeometryCheck.swift
@@ -0,0 +1,40 @@
+import CoreGraphics
+import Foundation
+
+@main
+struct ImageCropGeometryCheck {
+    static func main() {
+        assertSize(
+            ImageCropGeometry.maximumCropSize(fitting: CGSize(width: 350, height: 700), aspectRatio: 1),
+            equals: CGSize(width: 350, height: 350),
+            scenario: "portraitUsesFullWidth"
+        )
+        assertSize(
+            ImageCropGeometry.maximumCropSize(fitting: CGSize(width: 400, height: 200), aspectRatio: 4.0 / 3.0),
+            equals: CGSize(width: 800.0 / 3.0, height: 200),
+            scenario: "landscapeUsesFullHeight"
+        )
+        assertSize(
+            ImageCropGeometry.maximumCropSize(fitting: CGSize(width: 320, height: 180), aspectRatio: 16.0 / 9.0),
+            equals: CGSize(width: 320, height: 180),
+            scenario: "matchingRatioUsesWholeImage"
+        )
+        assertSize(
+            ImageCropGeometry.maximumCropSize(fitting: .zero, aspectRatio: 1),
+            equals: .zero,
+            scenario: "invalidInputReturnsZero"
+        )
+        assertSize(
+            ImageCropGeometry.maximumCropSize(fitting: CGSize(width: 100, height: 100), aspectRatio: 0),
+            equals: .zero,
+            scenario: "invalidRatioReturnsZero"
+        )
+        print("ImageCropGeometryCheck PASS")
+    }
+
+    private static func assertSize(_ actual: CGSize, equals expected: CGSize, scenario: String) {
+        let tolerance = 0.001
+        precondition(abs(actual.width - expected.width) < tolerance, "\(scenario) width: \(actual.width)")
+        precondition(abs(actual.height - expected.height) < tolerance, "\(scenario) height: \(actual.height)")
+    }
+}