Improve paper stamping experience (#17135)

Content.Client/Paper/UI/StampWidget.xaml.cs

@@ -1,23 +1,59 @@
+using System.Numerics;
 using Content.Shared.Paper;
 using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.ResourceManagement;
 using Robust.Client.UserInterface.Controls;
-using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.UserInterface.XAML;
-using Robust.Shared.Utility;
+using Robust.Shared.Prototypes;
 
-namespace Content.Client.Paper.UI
+namespace Content.Client.Paper.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class StampWidget : PanelContainer
 {
-    [GenerateTypedNameReferences]
-    public sealed partial class StampWidget : Container
-    {
-        public string? Stamper {
-            get => StampedByLabel.Text;
-            set => StampedByLabel.Text = value;
-        }
+    private StyleBoxTexture _borderTexture;
+    private ShaderInstance? _stampShader;
 
-        public StampWidget()
-        {
-            RobustXamlLoader.Load(this);
+    public float Orientation
+    {
+        get => StampedByLabel.Orientation;
+        set => StampedByLabel.Orientation = value;
+    }
+
+    public StampDisplayInfo StampInfo {
+        set {
+            StampedByLabel.Text = Loc.GetString(value.StampedName);
+            StampedByLabel.FontColorOverride = value.StampedColor;
+            ModulateSelfOverride = value.StampedColor;
         }
     }
+
+    public StampWidget()
+    {
+        RobustXamlLoader.Load(this);
+        var resCache = IoCManager.Resolve<IResourceCache>();
+        var borderImage = resCache.GetResource<TextureResource>(
+                "/Textures/Interface/Paper/paper_stamp_border.svg.96dpi.png");
+        _borderTexture = new StyleBoxTexture {
+            Texture = borderImage,
+        };
+        _borderTexture.SetPatchMargin(StyleBoxTexture.Margin.All, 7.0f);
+        PanelOverride = _borderTexture;
+
+        var prototypes = IoCManager.Resolve<IPrototypeManager>();
+        _stampShader = prototypes.Index<ShaderPrototype>("PaperStamp").InstanceUnique();
+    }
+
+    protected override void Draw(DrawingHandleScreen handle)
+    {
+        _stampShader?.SetParameter("objCoord", GlobalPosition * UIScale * new Vector2(1, -1));
+        handle.UseShader(_stampShader);
+        handle.SetTransform(GlobalPosition * UIScale, Orientation, Vector2.One);
+        base.Draw(handle);
+
+        // Restore a sane transform+shader
+        handle.SetTransform(Matrix3.Identity);
+        handle.UseShader(null);
+    }
 }