com.unity.textmeshpro@3.2.0-pre.8

## [3.2.0-pre.8] - 2024-01-30
### Changes
- Fix Dropdown creation causing a crash after undoing.
- Addressed issue surrounding dropdown not closing correctly in certain situations
- Resolves issue in editor where a null mesh may be set with still present submesh data, not having the canvas update.
- Ensure enabling and disabling Canvases does not cause a regeneration of the text.
- Fixed un-detected sprite asset changes after adding new sprites.
- Ensure Kerning is not applied to Sprites

Author: Unity Technologies

CHANGELOG.md

@@ -1,6 +1,14 @@
 # Changelog
 These are the release notes for the TextMesh Pro UPM package which was first introduced with Unity 2018.1. Please see the following link for the Release Notes for prior versions of TextMesh Pro. http://digitalnativestudios.com/forum/index.php?topic=1363.0
 
+## [3.2.0-pre.8] - 2024-01-30
+### Changes
+- Fix Dropdown creation causing a crash after undoing.
+- Addressed issue surrounding dropdown not closing correctly in certain situations
+- Resolves issue in editor where a null mesh may be set with still present submesh data, not having the canvas update.
+- Ensure enabling and disabling Canvases does not cause a regeneration of the text.
+- Fixed un-detected sprite asset changes after adding new sprites.
+- Ensure Kerning is not applied to Sprites
 
 ## [3.2.0-pre.7] - 2023-12-17
 ### Changes

Scripts/Editor/TMP_SpriteAssetMenu.cs

@@ -178,6 +178,7 @@ internal static void UpdateSpriteAsset(TMP_SpriteAsset spriteAsset)
             spriteAsset.SortGlyphTable();
             spriteAsset.UpdateLookupTables();
             TMPro_EventManager.ON_SPRITE_ASSET_PROPERTY_CHANGED(true, spriteAsset);
+            EditorUtility.SetDirty(spriteAsset);
 
         }
 

Scripts/Runtime/TMP_DefaultControls.cs

@@ -40,20 +40,27 @@ private static GameObject CreateUIElementRoot(string name, Vector2 size)
             GameObject root;
 
             #if UNITY_EDITOR
-            root = ObjectFactory.CreateGameObject(name);
+            root = ObjectFactory.CreateGameObject(name, typeof(RectTransform));
+            var rt = root.GetComponent<RectTransform>();
+            rt.sizeDelta = size;
             #else
             root = new GameObject(name);
-            #endif
-
             RectTransform rectTransform = root.AddComponent<RectTransform>();
             rectTransform.sizeDelta = size;
+            #endif
+
             return root;
         }
 
         static GameObject CreateUIObject(string name, GameObject parent)
         {
-            GameObject go = new GameObject(name);
+            GameObject go;
+            #if UNITY_EDITOR
+            go = ObjectFactory.CreateGameObject(name, typeof(RectTransform));
+            #else
+            go = new GameObject(name);
             go.AddComponent<RectTransform>();
+            #endif
             SetParentAndAlign(go, parent);
             return go;
         }
@@ -102,12 +109,12 @@ public static GameObject CreateScrollbar(Resources resources)
             GameObject sliderArea = CreateUIObject("Sliding Area", scrollbarRoot);
             GameObject handle = CreateUIObject("Handle", sliderArea);
 
-            Image bgImage = scrollbarRoot.AddComponent<Image>();
+            Image bgImage = AddComponent<Image>(scrollbarRoot);
             bgImage.sprite = resources.background;
             bgImage.type = Image.Type.Sliced;
             bgImage.color = s_DefaultSelectableColor;
 
-            Image handleImage = handle.AddComponent<Image>();
+            Image handleImage = AddComponent<Image>(handle);
             handleImage.sprite = resources.standard;
             handleImage.type = Image.Type.Sliced;
             handleImage.color = s_DefaultSelectableColor;
@@ -120,7 +127,7 @@ public static GameObject CreateScrollbar(Resources resources)
             RectTransform handleRect = handle.GetComponent<RectTransform>();
             handleRect.sizeDelta = new Vector2(20, 20);
 
-            Scrollbar scrollbar = scrollbarRoot.AddComponent<Scrollbar>();
+            Scrollbar scrollbar = AddComponent<Scrollbar>(scrollbarRoot);
             scrollbar.handleRect = handleRect;
             scrollbar.targetGraphic = handleImage;
             SetDefaultColorTransitionValues(scrollbar);
@@ -132,19 +139,25 @@ public static GameObject CreateButton(Resources resources)
         {
             GameObject buttonRoot = CreateUIElementRoot("Button", s_ThickElementSize);
 
-            GameObject childText = new GameObject("Text (TMP)");
+            GameObject childText;
+#if UNITY_EDITOR
+            childText = ObjectFactory.CreateGameObject("Text (TMP)", typeof(RectTransform));
+#else
+            childText = new GameObject("Text (TMP)");
             childText.AddComponent<RectTransform>();
+#endif
+
             SetParentAndAlign(childText, buttonRoot);
 
-            Image image = buttonRoot.AddComponent<Image>();
+            Image image = AddComponent<Image>(buttonRoot);
             image.sprite = resources.standard;
             image.type = Image.Type.Sliced;
             image.color = s_DefaultSelectableColor;
 
-            Button bt = buttonRoot.AddComponent<Button>();
+            Button bt = AddComponent<Button>(buttonRoot);
             SetDefaultColorTransitionValues(bt);
 
-            TextMeshProUGUI text = childText.AddComponent<TextMeshProUGUI>();
+            TextMeshProUGUI text = AddComponent<TextMeshProUGUI>(childText);
             text.text = "Button";
             text.alignment = TextAlignmentOptions.Center;
             SetDefaultTextValues(text);
@@ -162,8 +175,7 @@ public static GameObject CreateText(Resources resources)
             GameObject go = null;
 
             #if UNITY_EDITOR
-                go = ObjectFactory.CreateGameObject("Text (TMP)");
-                ObjectFactory.AddComponent<TextMeshProUGUI>(go);
+                go = ObjectFactory.CreateGameObject("Text (TMP)", typeof(TextMeshProUGUI));
             #else
                 go = CreateUIElementRoot("Text (TMP)", s_TextElementSize);
                 go.AddComponent<TextMeshProUGUI>();
@@ -172,7 +184,6 @@ public static GameObject CreateText(Resources resources)
             return go;
         }
 
-
         public static GameObject CreateInputField(Resources resources)
         {
             GameObject root = CreateUIElementRoot("InputField (TMP)", s_ThickElementSize);
@@ -181,15 +192,15 @@ public static GameObject CreateInputField(Resources resources)
             GameObject childPlaceholder = CreateUIObject("Placeholder", textArea);
             GameObject childText = CreateUIObject("Text", textArea);
 
-            Image image = root.AddComponent<Image>();
+            Image image = AddComponent<Image>(root);
             image.sprite = resources.inputField;
             image.type = Image.Type.Sliced;
             image.color = s_DefaultSelectableColor;
 
-            TMP_InputField inputField = root.AddComponent<TMP_InputField>();
+            TMP_InputField inputField = AddComponent<TMP_InputField>(root);
             SetDefaultColorTransitionValues(inputField);
 
-            RectMask2D rectMask = textArea.AddComponent<RectMask2D>();
+            RectMask2D rectMask = AddComponent<RectMask2D>(textArea);
             rectMask.padding = new Vector4(-8, -5, -8, -5);
 
             RectTransform textAreaRectTransform = textArea.GetComponent<RectTransform>();
@@ -200,14 +211,14 @@ public static GameObject CreateInputField(Resources resources)
             textAreaRectTransform.offsetMax = new Vector2(-10, -7);
 
 
-            TextMeshProUGUI text = childText.AddComponent<TextMeshProUGUI>();
+            TextMeshProUGUI text = AddComponent<TextMeshProUGUI>(childText);
             text.text = "";
             text.textWrappingMode = TextWrappingModes.NoWrap;
             text.extraPadding = true;
             text.richText = true;
             SetDefaultTextValues(text);
 
-            TextMeshProUGUI placeholder = childPlaceholder.AddComponent<TextMeshProUGUI>();
+            TextMeshProUGUI placeholder = AddComponent<TextMeshProUGUI>(childPlaceholder);
             placeholder.text = "Enter text...";
             placeholder.fontSize = 14;
             placeholder.fontStyle = FontStyles.Italic;
@@ -220,7 +231,7 @@ public static GameObject CreateInputField(Resources resources)
             placeholder.color = placeholderColor;
 
             // Add Layout component to placeholder.
-            placeholder.gameObject.AddComponent<LayoutElement>().ignoreLayout = true;
+            AddComponent<LayoutElement>(placeholder.gameObject).ignoreLayout = true;
 
             RectTransform textRectTransform = childText.GetComponent<RectTransform>();
             textRectTransform.anchorMin = Vector2.zero;
@@ -275,28 +286,28 @@ public static GameObject CreateDropdown(Resources resources)
 
             // Setup item UI components.
 
-            TextMeshProUGUI itemLabelText = itemLabel.AddComponent<TextMeshProUGUI>();
+            TextMeshProUGUI itemLabelText = AddComponent<TextMeshProUGUI>(itemLabel);
             SetDefaultTextValues(itemLabelText);
             itemLabelText.alignment = TextAlignmentOptions.Left;
 
-            Image itemBackgroundImage = itemBackground.AddComponent<Image>();
+            Image itemBackgroundImage = AddComponent<Image>(itemBackground);
             itemBackgroundImage.color = new Color32(245, 245, 245, 255);
 
-            Image itemCheckmarkImage = itemCheckmark.AddComponent<Image>();
+            Image itemCheckmarkImage = AddComponent<Image>(itemCheckmark);
             itemCheckmarkImage.sprite = resources.checkmark;
 
-            Toggle itemToggle = item.AddComponent<Toggle>();
+            Toggle itemToggle = AddComponent<Toggle>(item);
             itemToggle.targetGraphic = itemBackgroundImage;
             itemToggle.graphic = itemCheckmarkImage;
             itemToggle.isOn = true;
 
             // Setup template UI components.
 
-            Image templateImage = template.AddComponent<Image>();
+            Image templateImage = AddComponent<Image>(template);
             templateImage.sprite = resources.standard;
             templateImage.type = Image.Type.Sliced;
 
-            ScrollRect templateScrollRect = template.AddComponent<ScrollRect>();
+            ScrollRect templateScrollRect = AddComponent<ScrollRect>(template);
             templateScrollRect.content = (RectTransform)content.transform;
             templateScrollRect.viewport = (RectTransform)viewport.transform;
             templateScrollRect.horizontal = false;
@@ -305,28 +316,28 @@ public static GameObject CreateDropdown(Resources resources)
             templateScrollRect.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport;
             templateScrollRect.verticalScrollbarSpacing = -3;
 
-            Mask scrollRectMask = viewport.AddComponent<Mask>();
+            Mask scrollRectMask = AddComponent<Mask>(viewport);
             scrollRectMask.showMaskGraphic = false;
 
-            Image viewportImage = viewport.AddComponent<Image>();
+            Image viewportImage = AddComponent<Image>(viewport);
             viewportImage.sprite = resources.mask;
             viewportImage.type = Image.Type.Sliced;
 
             // Setup dropdown UI components.
 
-            TextMeshProUGUI labelText = label.AddComponent<TextMeshProUGUI>();
+            TextMeshProUGUI labelText = AddComponent<TextMeshProUGUI>(label);
             SetDefaultTextValues(labelText);
             labelText.alignment = TextAlignmentOptions.Left;
 
-            Image arrowImage = arrow.AddComponent<Image>();
+            Image arrowImage = AddComponent<Image>(arrow);
             arrowImage.sprite = resources.dropdown;
 
-            Image backgroundImage = root.AddComponent<Image>();
+            Image backgroundImage = AddComponent<Image>(root);
             backgroundImage.sprite = resources.standard;
             backgroundImage.color = s_DefaultSelectableColor;
             backgroundImage.type = Image.Type.Sliced;
 
-            TMP_Dropdown dropdown = root.AddComponent<TMP_Dropdown>();
+            TMP_Dropdown dropdown = AddComponent<TMP_Dropdown>(root);
             dropdown.targetGraphic = backgroundImage;
             SetDefaultColorTransitionValues(dropdown);
             dropdown.template = template.GetComponent<RectTransform>();
@@ -400,5 +411,14 @@ public static GameObject CreateDropdown(Resources resources)
 
             return root;
         }
+
+        private static T AddComponent<T>(GameObject go) where T : Component
+        {
+#if UNITY_EDITOR
+            return ObjectFactory.AddComponent<T>(go);
+#else
+            return go.AddComponent<T>();
+#endif
+        }
     }
 }

Scripts/Runtime/TMP_Text.cs

@@ -4168,12 +4168,13 @@ protected virtual Vector2 CalculatePreferredValues(ref float fontSize, Vector2 m
                 #region Handle Kerning
                 GlyphValueRecord glyphAdjustments = new GlyphValueRecord();
                 float characterSpacingAdjustment = m_characterSpacing;
-                if (m_enableKerning)
+                // Make sure the current character and the next are Characters (not Sprite).
+                if (m_enableKerning && m_textElementType == TMP_TextElementType.Character)
                 {
                     GlyphPairAdjustmentRecord adjustmentPair;
                     uint baseGlyphIndex = m_cached_TextElement.m_GlyphIndex;
 
-                    if (m_characterCount < totalCharacterCount - 1)
+                    if (m_characterCount < totalCharacterCount - 1 && m_textInfo.characterInfo[m_characterCount + 1].elementType == TMP_TextElementType.Character)
                     {
                         uint nextGlyphIndex = m_textInfo.characterInfo[m_characterCount + 1].textElement.m_GlyphIndex;
                         uint key = nextGlyphIndex << 16 | baseGlyphIndex;
@@ -4190,7 +4191,7 @@ protected virtual Vector2 CalculatePreferredValues(ref float fontSize, Vector2 m
                         uint previousGlyphIndex = m_textInfo.characterInfo[m_characterCount - 1].textElement.m_GlyphIndex;
                         uint key = baseGlyphIndex << 16 | previousGlyphIndex;
 
-                        if (m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
+                        if (textInfo.characterInfo[m_characterCount - 1].elementType == TMP_TextElementType.Character && m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
                         {
                             glyphAdjustments += adjustmentPair.secondAdjustmentRecord.glyphValueRecord;
                             characterSpacingAdjustment = (adjustmentPair.featureLookupFlags & UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments) == UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments ? 0 : characterSpacingAdjustment;

Scripts/Runtime/TextMeshPro.cs

@@ -2558,14 +2558,14 @@ protected virtual void GenerateTextMesh()
                 #region Handle Kerning
                 GlyphValueRecord glyphAdjustments = new GlyphValueRecord();
                 float characterSpacingAdjustment = m_characterSpacing;
-                if (kerning)
+                if (kerning && m_textElementType == TMP_TextElementType.Character)
                 {
                     k_HandleGPOSFeaturesMarker.Begin();
 
                     GlyphPairAdjustmentRecord adjustmentPair;
                     uint baseGlyphIndex = m_cached_TextElement.m_GlyphIndex;
 
-                    if (m_characterCount < totalCharacterCount - 1)
+                    if (m_characterCount < totalCharacterCount - 1 && m_textInfo.characterInfo[m_characterCount + 1].elementType == TMP_TextElementType.Character)
                     {
                         uint nextGlyphIndex = m_textInfo.characterInfo[m_characterCount + 1].textElement.m_GlyphIndex;
                         uint key = nextGlyphIndex << 16 | baseGlyphIndex;
@@ -2582,7 +2582,7 @@ protected virtual void GenerateTextMesh()
                         uint previousGlyphIndex = m_textInfo.characterInfo[m_characterCount - 1].textElement.m_GlyphIndex;
                         uint key = baseGlyphIndex << 16 | previousGlyphIndex;
 
-                        if (m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
+                        if (textInfo.characterInfo[m_characterCount - 1].elementType == TMP_TextElementType.Character && m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
                         {
                             glyphAdjustments += adjustmentPair.secondAdjustmentRecord.glyphValueRecord;
                             characterSpacingAdjustment = (adjustmentPair.featureLookupFlags & UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments) == UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments ? 0 : characterSpacingAdjustment;

Scripts/Runtime/TextMeshProUGUI.cs

@@ -2291,8 +2291,6 @@ protected override void OnCanvasHierarchyChanged()
                 TMP_UpdateManager.UnRegisterTextObjectForUpdate(this);
             else if (m_IsTextObjectScaleStatic == false)
                 TMP_UpdateManager.RegisterTextObjectForUpdate(this);
-
-            m_havePropertiesChanged = true;
         }
 
 
@@ -2911,14 +2909,14 @@ protected virtual void GenerateTextMesh()
                 #region Handle Kerning
                 GlyphValueRecord glyphAdjustments = new GlyphValueRecord();
                 float characterSpacingAdjustment = m_characterSpacing;
-                if (kerning)
+                if (kerning && m_textElementType == TMP_TextElementType.Character)
                 {
                     k_HandleGPOSFeaturesMarker.Begin();
 
                     GlyphPairAdjustmentRecord adjustmentPair;
                     uint baseGlyphIndex = m_cached_TextElement.m_GlyphIndex;
 
-                    if (m_characterCount < totalCharacterCount - 1)
+                    if (m_characterCount < totalCharacterCount - 1 && textInfo.characterInfo[m_characterCount + 1].elementType == TMP_TextElementType.Character)
                     {
                         uint nextGlyphIndex = m_textInfo.characterInfo[m_characterCount + 1].textElement.m_GlyphIndex;
                         uint key = nextGlyphIndex << 16 | baseGlyphIndex;
@@ -2935,7 +2933,7 @@ protected virtual void GenerateTextMesh()
                         uint previousGlyphIndex = m_textInfo.characterInfo[m_characterCount - 1].textElement.m_GlyphIndex;
                         uint key = baseGlyphIndex << 16 | previousGlyphIndex;
 
-                        if (m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
+                        if (textInfo.characterInfo[m_characterCount - 1].elementType == TMP_TextElementType.Character && m_currentFontAsset.m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookup.TryGetValue(key, out adjustmentPair))
                         {
                             glyphAdjustments += adjustmentPair.secondAdjustmentRecord.glyphValueRecord;
                             characterSpacingAdjustment = (adjustmentPair.featureLookupFlags & UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments) == UnityEngine.TextCore.LowLevel.FontFeatureLookupFlags.IgnoreSpacingAdjustments ? 0 : characterSpacingAdjustment;

ValidationExceptions.json

@@ -3,7 +3,7 @@
     [
         {
              "ValidationTest": "API Validation",
-             "PackageVersion": "3.2.0-pre.2"
+             "PackageVersion": "3.2.0-pre.8"
         }
     ]
 }