Overlays: Move the structure to Ryujinx/UI/Overlay (also no longer need to cross-pass locales)

src/Ryujinx/UI/Overlay/ImageElement.cs

@@ -0,0 +1,146 @@
+using Ryujinx.Common.Logging;
+using SkiaSharp;
+using System;
+
+namespace Ryujinx.UI.Overlay
+{
+    /// <summary>
+    /// Image overlay element
+    /// </summary>
+    public class ImageElement : OverlayElement
+    {
+        private SKBitmap _bitmap;
+        private byte[] _imageData;
+        private string _imagePath;
+
+        public SKFilterQuality FilterQuality { get; set; } = SKFilterQuality.Medium;
+        public bool MaintainAspectRatio { get; set; } = true;
+
+        public ImageElement()
+        {
+        }
+
+        public ImageElement(float x, float y, float width, float height, byte[] imageData)
+        {
+            X = x;
+            Y = y;
+            Width = width;
+            Height = height;
+            SetImageData(imageData);
+        }
+
+        public ImageElement(float x, float y, float width, float height, string imagePath)
+        {
+            X = x;
+            Y = y;
+            Width = width;
+            Height = height;
+            SetImagePath(imagePath);
+        }
+
+        /// <summary>
+        /// Set image from byte array
+        /// </summary>
+        public void SetImageData(byte[] imageData)
+        {
+            _imageData = imageData;
+            _imagePath = null;
+            LoadBitmap();
+        }
+
+        /// <summary>
+        /// Set image from file path
+        /// </summary>
+        public void SetImagePath(string imagePath)
+        {
+            _imagePath = imagePath;
+            _imageData = null;
+            LoadBitmap();
+        }
+
+        /// <summary>
+        /// Set image from existing SKBitmap
+        /// </summary>
+        public void SetBitmap(SKBitmap bitmap)
+        {
+            _bitmap?.Dispose();
+            _bitmap = bitmap;
+            _imageData = null;
+            _imagePath = null;
+        }
+
+        private void LoadBitmap()
+        {
+            try
+            {
+                _bitmap?.Dispose();
+                _bitmap = null;
+
+                if (_imageData != null)
+                {
+                    _bitmap = SKBitmap.Decode(_imageData);
+                }
+                else if (!string.IsNullOrEmpty(_imagePath))
+                {
+                    _bitmap = SKBitmap.Decode(_imagePath);
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.Gpu, $"Failed to load image: {ex.Message}");
+                _bitmap = null;
+            }
+        }
+
+        public override void Render(SKCanvas canvas, float globalOpacity = 1.0f)
+        {
+            if (!IsVisible || _bitmap == null || Width <= 0 || Height <= 0)
+                return;
+
+            float effectiveOpacity = Opacity * globalOpacity;
+
+            using var paint = new SKPaint
+            {
+                FilterQuality = FilterQuality,
+                Color = SKColors.White.WithAlpha((byte)(255 * effectiveOpacity))
+            };
+
+            var sourceRect = new SKRect(0, 0, _bitmap.Width, _bitmap.Height);
+            var destRect = new SKRect(X, Y, X + Width, Y + Height);
+
+            if (MaintainAspectRatio)
+            {
+                // Calculate aspect ratio preserving destination rectangle
+                float sourceAspect = (float)_bitmap.Width / _bitmap.Height;
+                float destAspect = Width / Height;
+
+                if (sourceAspect > destAspect)
+                {
+                    // Source is wider, fit to width
+                    float newHeight = Width / sourceAspect;
+                    float yOffset = (Height - newHeight) / 2;
+                    destRect = new SKRect(X, Y + yOffset, X + Width, Y + yOffset + newHeight);
+                }
+                else
+                {
+                    // Source is taller, fit to height
+                    float newWidth = Height * sourceAspect;
+                    float xOffset = (Width - newWidth) / 2;
+                    destRect = new SKRect(X + xOffset, Y, X + xOffset + newWidth, Y + Height);
+                }
+            }
+
+            canvas.DrawBitmap(_bitmap, sourceRect, destRect, paint);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _bitmap?.Dispose();
+                _bitmap = null;
+            }
+            base.Dispose(disposing);
+        }
+    }
+}