Dynamic anomaly scanner texture (#37585)

Content.Client/Anomaly/AnomalyScannerScreenComponent.cs

@@ -0,0 +1,40 @@
+using Robust.Client.Graphics;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace Content.Client.Anomaly;
+
+/// <summary>
+/// This component creates and handles the drawing of a ScreenTexture to be used on the Anomaly Scanner
+/// for an indicator of Anomaly Severity.
+/// </summary>
+/// <remarks>
+/// In the future I would like to make this a more generic "DynamicTextureComponent" that can contain a dictionary
+/// of texture components like "Bar(offset, size, minimumValue, maximumValue, AppearanceKey, LayerMapKey)" that can
+/// just draw a bar or other basic drawn element that will show up on a texture layer.
+/// </remarks>
+[RegisterComponent]
+[Access(typeof(AnomalyScannerSystem))]
+public sealed partial class AnomalyScannerScreenComponent : Component
+{
+    /// <summary>
+    /// This is the texture drawn as a layer on the Anomaly Scanner device.
+    /// </summary>
+    public OwnedTexture? ScreenTexture;
+
+    /// <summary>
+    /// A small buffer that we can reuse to draw the severity bar.
+    /// </summary>
+    public Rgba32[]? BarBuf;
+
+    /// <summary>
+    /// The position of the top-left of the severity bar in pixels.
+    /// </summary>
+    [DataField(readOnly: true)]
+    public Vector2i Offset = new Vector2i(12, 17);
+
+    /// <summary>
+    /// The width and height of the severity bar in pixels.
+    /// </summary>
+    [DataField(readOnly: true)]
+    public Vector2i Size = new Vector2i(10, 3);
+}