StyleGuide Sample 완료

Assets/Sample/UIToolkit/UTKColorPickerSample.cs

@@ -124,6 +124,61 @@ namespace UVC.Sample.UIToolkit
             openPickerAsyncBtn.style.marginBottom = 10;
             container.Add(openPickerAsyncBtn);
 
+            // Alpha 프리셋 버튼들
+            var alphaPresetLabel = new Label("Alpha Presets:");
+            alphaPresetLabel.style.color = Color.white;
+            alphaPresetLabel.style.marginTop = 10;
+            alphaPresetLabel.style.marginBottom = 5;
+            container.Add(alphaPresetLabel);
+
+            var alphaPresetRow = new VisualElement();
+            alphaPresetRow.style.flexDirection = FlexDirection.Row;
+            alphaPresetRow.style.marginBottom = 10;
+
+            // Alpha 값이 다른 프리셋 버튼들
+            float[] alphaValues = { 1.0f, 0.75f, 0.5f, 0.25f };
+            foreach (var alpha in alphaValues)
+            {
+                var alphaBtn = new Button(() => SetColorWithAlpha(alpha));
+                alphaBtn.style.width = 50;
+                alphaBtn.style.height = 28;
+                alphaBtn.style.marginRight = 5;
+                alphaBtn.style.backgroundColor = new Color(0.3f, 0.3f, 0.3f);
+                alphaBtn.style.borderTopLeftRadius = 4;
+                alphaBtn.style.borderTopRightRadius = 4;
+                alphaBtn.style.borderBottomLeftRadius = 4;
+                alphaBtn.style.borderBottomRightRadius = 4;
+                alphaBtn.text = $"{(int)(alpha * 100)}%";
+                alphaBtn.style.fontSize = 11;
+                alphaPresetRow.Add(alphaBtn);
+            }
+
+            container.Add(alphaPresetRow);
+
+            // Alpha 활성화/비활성화 직접 호출 버튼들
+            var alphaControlLabel = new Label("Alpha Control Examples:");
+            alphaControlLabel.style.color = Color.white;
+            alphaControlLabel.style.marginTop = 5;
+            alphaControlLabel.style.marginBottom = 5;
+            container.Add(alphaControlLabel);
+
+            var alphaControlRow = new VisualElement();
+            alphaControlRow.style.flexDirection = FlexDirection.Row;
+            alphaControlRow.style.marginBottom = 10;
+
+            var withAlphaBtn = new Button(OpenColorPickerWithAlpha) { text = "With Alpha" };
+            withAlphaBtn.style.height = 28;
+            withAlphaBtn.style.flexGrow = 1;
+            withAlphaBtn.style.marginRight = 5;
+            alphaControlRow.Add(withAlphaBtn);
+
+            var withoutAlphaBtn = new Button(OpenColorPickerWithoutAlpha) { text = "Without Alpha" };
+            withoutAlphaBtn.style.height = 28;
+            withoutAlphaBtn.style.flexGrow = 1;
+            alphaControlRow.Add(withoutAlphaBtn);
+
+            container.Add(alphaControlRow);
+
             // 프리셋 색상 버튼들
             var presetLabel = new Label("Preset Colors:");
             presetLabel.style.color = Color.white;
@@ -169,6 +224,58 @@ namespace UVC.Sample.UIToolkit
             _currentPicker.OnColorSelected += OnColorSelected;
         }
 
+        /// <summary>
+        /// Alpha 채널 활성화 상태로 컬러 피커 열기
+        /// </summary>
+        private void OpenColorPickerWithAlpha()
+        {
+            if (_root == null || _currentPicker != null) return;
+
+            // useAlpha = true로 명시적 호출
+            _currentPicker = UTKColorPicker.Show(_root, _currentColor, "Select Color (Alpha ON)", useAlpha: true);
+
+            _currentPicker.OnColorChanged += OnColorChanged;
+            _currentPicker.OnColorSelected += OnColorSelected;
+
+            Debug.Log("[Sample] ColorPicker opened with Alpha channel enabled");
+        }
+
+        /// <summary>
+        /// Alpha 채널 비활성화 상태로 컬러 피커 열기
+        /// </summary>
+        private void OpenColorPickerWithoutAlpha()
+        {
+            if (_root == null || _currentPicker != null) return;
+
+            // useAlpha = false로 명시적 호출
+            _currentPicker = UTKColorPicker.Show(_root, _currentColor, "Select Color (Alpha OFF)", useAlpha: false);
+
+            _currentPicker.OnColorChanged += OnColorChanged;
+            _currentPicker.OnColorSelected += OnColorSelected;
+
+            Debug.Log("[Sample] ColorPicker opened without Alpha channel");
+        }
+
+        /// <summary>
+        /// 현재 색상의 Alpha 값을 변경
+        /// </summary>
+        private void SetColorWithAlpha(float alpha)
+        {
+            _currentColor = new Color(_currentColor.r, _currentColor.g, _currentColor.b, alpha);
+
+            if (_colorPreview != null)
+            {
+                _colorPreview.style.backgroundColor = _currentColor;
+            }
+
+            if (_colorLabel != null)
+            {
+                _colorLabel.text = ColorToHex(_currentColor);
+            }
+
+            Debug.Log($"[Sample] Alpha set to {(int)(alpha * 100)}% - Color: {ColorToHex(_currentColor)}");
+        }
+
         private async UniTaskVoid OpenColorPickerAsync()
         {
             if (_root == null) return;