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Assets/00.StaryEvo/Runtime/Tool/FluentAPI/0.Unity/4.UnityEngineCameraExtension.cs

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+
+using UnityEngine;
+
+namespace Stary.Evo
+{
+#if UNITY_EDITOR
+    [ClassAPI("00.FluentAPI.Unity", "UnityEngine.Camera", 4)]
+    [APIDescriptionCN("UnityEngine.Camera 静态扩展")]
+    [APIDescriptionEN("UnityEngine.Camera extension")]
+#endif
+    public static class UnityEngineCameraExtension
+    {
+#if UNITY_EDITOR
+        // v1 No.151
+        [MethodAPI]
+        [APIDescriptionCN("截图")]
+        [APIDescriptionEN("captureScreen")]
+        [APIExampleCode(@"
+Camera.main.CaptureCamera(new Rect(0, 0, Screen.width, Screen.height));
+")]
+#endif
+        public static Texture2D CaptureCamera(this Camera camera, Rect rect)
+        {
+            var renderTexture = new RenderTexture(Screen.width, Screen.height, 0);
+            camera.targetTexture = renderTexture;
+            camera.Render();
+
+            RenderTexture.active = renderTexture;
+
+            var screenShot = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);
+            screenShot.ReadPixels(rect, 0, 0);
+            screenShot.Apply();
+
+            camera.targetTexture = null;
+            RenderTexture.active = null;
+            UnityEngine.Object.Destroy(renderTexture);
+
+            return screenShot;
+        }
+    }
+}