Updates coordinate system in TMP rect computations to text object's local space

README.md

@@ -98,7 +98,7 @@ openupm add com.kwanjoong.textmeshpromax
   - `Window` -> `Package Manager` -> `+` button on top left -> `Add package from git URL`
 2. Copy and paste this url
   - ```https://github.com/kwan3854/TextMeshProMax.git```
-  - If you need specific version, you can specify like this ```https://github.com/kwan3854/TextMeshProMax.git#v0.2.0```
+  - If you need specific version, you can specify like this ```https://github.com/kwan3854/TextMeshProMax.git#v0.6.0```
 
 > [!TIP]
 > You can see inline comments in the code editor by enabling this option in the Unity Editor: `Edit` -> `Preferences` -> `External Tools` -> `Generate .csproj files`
@@ -123,6 +123,12 @@ Retrieve the **Rect information** for specific strings rendered by a `TMP_Text`
 - **Returns**:
   - A list of `TextRectInfo` containing `Rects` and the `TargetString`.
 
+> [!IMPORTANT]
+> **Coordinate System**
+> The returned `Rect` values are in the **local space of the text object's transform**.
+>
+> **Breaking Change Notice**: In versions prior to `0.6.0`, the `Rect` for `TextMeshProUGUI` was returned in the Canvas's local space. This has been changed to consistently use the text object's local space for all `TMP_Text` types. Please update your implementation accordingly.
+
 ##### Code Example
 ```csharp
 using Runtime.Helper;
@@ -172,6 +178,13 @@ Attempt to retrieve the **Rect information** for specific strings rendered by a
 - **Returns**:
   - `bool`: `true` if successful.
 
+> [!IMPORTANT]
+> **Coordinate System**
+> The returned `Rect` values are in the **local space of the text object's transform**.
+>
+> **Breaking Change Notice**: In versions prior to `0.6.0`, the `Rect` for `TextMeshProUGUI` was returned in the Canvas's local space. This has been changed to consistently use the text object's local space for all `TMP_Text` types. Please update your implementation accordingly.
+
+
 ##### Code Example
 ```csharp
 List<TextRectInfo> results;
@@ -201,6 +214,12 @@ Retrieve **Rect information** for Ruby strings, including body and Ruby text.
   - `Rects`: A list of `Rect` objects for the string or line.
   - `TargetString`: The concatenated plain text of the Ruby string.
 
+> [!IMPORTANT]
+> **Coordinate System**
+> The returned `Rect` values are in the **local space of the text object's transform**.
+>
+> **Breaking Change Notice**: In versions prior to `0.6.0`, the `Rect` for `TextMeshProUGUI` was returned in the Canvas's local space. This has been changed to consistently use the text object's local space for all `TMP_Text` types. Please update your implementation accordingly.
+
 ##### Code Example
 ```csharp
 using Runtime.Helper;
@@ -255,6 +274,12 @@ var rects = text.GetRubyStringRects(rubyString, TextFindMode.All);
 #### 2.1 TryGetRubyStringRects *(Requires RubyTextMeshPro)*
 Attempt to retrieve the **Rect information** for complex Ruby strings rendered by a `RubyTextMeshProUGUI` object. Returns `true` if successful, `false` otherwise.
 
+> [!IMPORTANT]
+> **Coordinate System**
+> The returned `Rect` values are in the **local space of the text object's transform**.
+>
+> **Breaking Change Notice**: In versions prior to `0.6.0`, the `Rect` for `TextMeshProUGUI` was returned in the Canvas's local space. This has been changed to consistently use the text object's local space for all `TMP_Text` types. Please update your implementation accordingly.
+
 #### 3. Multi-Line Support
 The library can calculate `Rect` values for text that spans multiple lines. Whether the line breaks are due to manual newlines (`\n`) or automatic text wrapping applied by TextMesh Pro, the library handles them seamlessly.
 

Runtime/Helper/TextMeshProExtensions.cs

@@ -82,8 +82,7 @@ public static bool TryGetStringRects(this TextMeshProUGUI text, string targetStr
 
         /// <summary>
         /// Retrieves the Rect information for a specific string within a TMP_Text object.
-        /// For TextMeshPro (3D), the Rect values are in the text object's local space.
-        /// For TextMeshProUGUI (UI), the Rect values are in the canvas's local space.
+        /// The returned Rect values are in the local space of the text object's transform.
         /// </summary>
         /// <param name="text">The target TMP_Text object.</param>
         /// <param name="targetString">The string to find within the text.</param>
@@ -407,7 +406,7 @@ private static bool TryGetStringRectsInternal(
                 if (charIndexes.Count == 0) continue;
 
                 // Split into lines and calculate Rect for each line
-                var lineRects = CalculateLineBoundingRects(charIndexes, textInfo, textBase.Transform);
+                var lineRects = CalculateLineBoundingRects(charIndexes, textInfo);
 
                 if (lineRects.Count > 0)
                 {
@@ -427,8 +426,7 @@ private static bool TryGetStringRectsInternal(
         /// </summary>
         private static List<Rect> CalculateLineBoundingRects(
             List<int> charIndexes,
-            TMP_TextInfo textInfo,
-            Transform transform)
+            TMP_TextInfo textInfo)
         {
             var rects = new List<Rect>();
             var lineGroups = charIndexes
@@ -438,7 +436,7 @@ private static List<Rect> CalculateLineBoundingRects(
             foreach (var lineGroup in lineGroups)
             {
                 var lineCharIndexes = lineGroup.ToList();
-                var rect = CalculateBoundingRect(lineCharIndexes, textInfo, transform);
+                var rect = CalculateBoundingRect(lineCharIndexes, textInfo);
                 if (rect.HasValue)
                     rects.Add(rect.Value);
             }
@@ -451,21 +449,20 @@ private static List<Rect> CalculateLineBoundingRects(
         /// </summary>
         private static Rect? CalculateBoundingRect(
             List<int> charIndexes,
-            TMP_TextInfo textInfo,
-            Transform transform)
+            TMP_TextInfo textInfo)
         {
             if (charIndexes == null || charIndexes.Count == 0)
                 return null;
 
             var firstCharInfo = textInfo.characterInfo[charIndexes[0]];
-            var bottomLeft = transform.TransformPoint(firstCharInfo.bottomLeft);
-            var topRight = transform.TransformPoint(firstCharInfo.topRight);
+            var bottomLeft = (Vector2)firstCharInfo.bottomLeft;
+            var topRight = (Vector2)firstCharInfo.topRight;
 
             foreach (var index in charIndexes.Skip(1))
             {
                 var charInfo = textInfo.characterInfo[index];
-                var charBottomLeft = transform.TransformPoint(charInfo.bottomLeft);
-                var charTopRight = transform.TransformPoint(charInfo.topRight);
+                var charBottomLeft = (Vector2)charInfo.bottomLeft;
+                var charTopRight = (Vector2)charInfo.topRight;
 
                 bottomLeft = Vector2.Min(bottomLeft, charBottomLeft);
                 topRight = Vector2.Max(topRight, charTopRight);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.kwanjoong.textmeshpromax",
-  "version": "0.5.2",
+  "version": "0.6.0",
   "displayName": "Text Mesh Pro Max",
   "description": "The ultimate Text Mesh Pro helper package.",
   "unity": "2022.3",