Add font and case options to Label and Textbox

Source/Engine/UI/GUI/Common/Label.cs

@@ -1,9 +1,31 @@
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
+using System;
 using System.ComponentModel;
 
 namespace FlaxEngine.GUI
 {
+    /// <summary>
+    /// Options for text case
+    /// </summary>
+    public enum TextCaseOptions
+    {
+        /// <summary>
+        /// No text case.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Uppercase.
+        /// </summary>
+        UpperCase,
+
+        /// <summary>
+        /// Lowercase
+        /// </summary>
+        LowerCase
+    }
+
     /// <summary>
     /// The basic GUI label control.
     /// </summary>
@@ -45,6 +67,24 @@ namespace FlaxEngine.GUI
             }
         }
 
+        /// <summary>
+        /// The text case.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2000), Tooltip("The case of the text.")]
+        public TextCaseOptions CaseOption { get; set; } = TextCaseOptions.None;
+
+        /// <summary>
+        /// Whether to bold the text.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2001), Tooltip("Bold the text.")]
+        public bool Bold { get; set; } = false;
+
+        /// <summary>
+        /// Whether to italicize the text.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2002), Tooltip("Italicize the text.")]
+        public bool Italic { get; set; } = false;
+
         /// <summary>
         /// Gets or sets the color of the text.
         /// </summary>
@@ -234,18 +274,51 @@ namespace FlaxEngine.GUI
                 }
             }
 
-            Render2D.DrawText(_font.GetFont(), Material, _text, rect, color, hAlignment, wAlignment, Wrapping, BaseLinesGapScale, scale);
+            Font font = GetFont();
+            var text = ConvertedText();
+
+            Render2D.DrawText(font, Material, text, rect, color, hAlignment, wAlignment, Wrapping, BaseLinesGapScale, scale);
 
             if (ClipText)
                 Render2D.PopClip();
         }
 
+        Font GetFont()
+        {
+            Font font;
+            if (Bold)
+                font = Italic ? _font.GetBold().GetItalic().GetFont() : _font.GetBold().GetFont();
+            else if (Italic)
+                font = _font.GetItalic().GetFont();
+            else
+                font = _font.GetFont();
+            return font;
+        }
+
+        LocalizedString ConvertedText()
+        {
+            LocalizedString text = _text;
+            switch (CaseOption)
+            {
+            case TextCaseOptions.None: break;
+            case TextCaseOptions.UpperCase:
+                text = text.ToString().ToUpper();
+                break;
+            case TextCaseOptions.LowerCase:
+                text = text.ToString().ToLower();
+                break;
+            default: break;
+            }
+            return text;
+        }
+
         /// <inheritdoc />
         protected override void PerformLayoutBeforeChildren()
         {
             if (_autoWidth || _autoHeight || _autoFitText)
             {
-                var font = _font.GetFont();
+                Font font = GetFont();
+                var text = ConvertedText();
                 if (font)
                 {
                     // Calculate text size
@@ -255,7 +328,7 @@ namespace FlaxEngine.GUI
                         layout.Bounds.Size.X = Width - Margin.Width;
                     else if (_autoWidth && !_autoHeight)
                         layout.Bounds.Size.Y = Height - Margin.Height;
-                    _textSize = font.MeasureText(_text, ref layout);
+                    _textSize = font.MeasureText(text, ref layout);
                     _textSize.Y *= BaseLinesGapScale;
 
                     // Check if size is controlled via text

Source/Engine/UI/GUI/Common/TextBox.cs

@@ -24,6 +24,24 @@ namespace FlaxEngine.GUI
             get => _watermarkText;
             set => _watermarkText = value;
         }
+        
+        /// <summary>
+        /// The text case.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2000), Tooltip("The case of the text.")]
+        public TextCaseOptions CaseOption { get; set; } = TextCaseOptions.None;
+
+        /// <summary>
+        /// Whether to bold the text.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2001), Tooltip("Bold the text.")]
+        public bool Bold { get; set; } = false;
+
+        /// <summary>
+        /// Whether to italicize the text.
+        /// </summary>
+        [EditorDisplay("Text Style"), EditorOrder(2002), Tooltip("Italicize the text.")]
+        public bool Italic { get; set; } = false;
 
         /// <summary>
         /// Gets or sets the text wrapping within the control bounds.
@@ -98,19 +116,48 @@ namespace FlaxEngine.GUI
         /// <inheritdoc />
         public override Float2 GetTextSize()
         {
-            var font = Font.GetFont();
+            var font = GetFont();
             if (font == null)
             {
                 return Float2.Zero;
             }
 
-            return font.MeasureText(_text, ref _layout);
+            return font.MeasureText(ConvertedText(), ref _layout);
+        }
+        
+        Font GetFont()
+        {
+            Font font;
+            if (Bold)
+                font = Italic ? Font.GetBold().GetItalic().GetFont() : Font.GetBold().GetFont();
+            else if (Italic)
+                font = Font.GetItalic().GetFont();
+            else
+                font = Font.GetFont();
+            return font;
+        }
+
+        string ConvertedText()
+        {
+            string text = _text;
+            switch (CaseOption)
+            {
+            case TextCaseOptions.None: break;
+            case TextCaseOptions.UpperCase:
+                text = text.ToUpper();
+                break;
+            case TextCaseOptions.LowerCase:
+                text = text.ToLower();
+                break;
+            default: break;
+            }
+            return text;
         }
 
         /// <inheritdoc />
         public override Float2 GetCharPosition(int index, out float height)
         {
-            var font = Font.GetFont();
+            var font = GetFont();
             if (font == null)
             {
                 height = Height;
@@ -118,19 +165,19 @@ namespace FlaxEngine.GUI
             }
 
             height = font.Height / DpiScale;
-            return font.GetCharPosition(_text, index, ref _layout);
+            return font.GetCharPosition(ConvertedText(), index, ref _layout);
         }
 
         /// <inheritdoc />
         public override int HitTestText(Float2 location)
         {
-            var font = Font.GetFont();
+            var font = GetFont();
             if (font == null)
             {
                 return 0;
             }
 
-            return font.HitTestText(_text, location, ref _layout);
+            return font.HitTestText(ConvertedText(), location, ref _layout);
         }
 
         /// <inheritdoc />
@@ -147,7 +194,7 @@ namespace FlaxEngine.GUI
             // Cache data
             var rect = new Rectangle(Float2.Zero, Size);
             bool enabled = EnabledInHierarchy;
-            var font = Font.GetFont();
+            var font = GetFont();
             if (!font)
                 return;
 
@@ -166,11 +213,13 @@ namespace FlaxEngine.GUI
             if (useViewOffset)
                 Render2D.PushTransform(Matrix3x3.Translation2D(-_viewOffset));
 
+            var text = ConvertedText();
+
             // Check if sth is selected to draw selection
             if (HasSelection)
             {
-                var leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
+                var leftEdge = font.GetCharPosition(text, SelectionLeft, ref _layout);
-                var rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
+                var rightEdge = font.GetCharPosition(text, SelectionRight, ref _layout);
                 var fontHeight = font.Height;
                 var textHeight = fontHeight / DpiScale;
 
@@ -207,12 +256,12 @@ namespace FlaxEngine.GUI
             }
 
             // Text or watermark
-            if (_text.Length > 0)
+            if (text.Length > 0)
             {
                 var color = TextColor;
                 if (!enabled)
                     color *= 0.6f;
-                Render2D.DrawText(font, _text, color, ref _layout, TextMaterial);
+                Render2D.DrawText(font, text, color, ref _layout, TextMaterial);
             }
             else if (!string.IsNullOrEmpty(_watermarkText))
             {