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using UnityEngine;
using System.Collections;
namespace TMPro.Examples
{
[ExecuteInEditMode]
public class TMP_TextInfoDebugTool : MonoBehaviour
{
public bool ShowCharacters;
public bool ShowWords;
public bool ShowLinks;
public bool ShowLines;
public bool ShowMeshBounds;
public bool ShowTextBounds;
[Space(10)]
[TextArea(2, 2)]
public string ObjectStats;
private TMP_Text m_TextComponent;
private Transform m_Transform;
// Since this script is used for visual debugging, we exclude most of it in builds.
#if UNITY_EDITOR
void OnEnable()
{
m_TextComponent = gameObject.GetComponent<TMP_Text>();
if (m_Transform == null)
m_Transform = gameObject.GetComponent<Transform>();
}
void OnDrawGizmos()
{
// Update Text Statistics
TMP_TextInfo textInfo = m_TextComponent.textInfo;
ObjectStats = "Characters: " + textInfo.characterCount + " Words: " + textInfo.wordCount + " Spaces: " + textInfo.spaceCount + " Sprites: " + textInfo.spriteCount + " Links: " + textInfo.linkCount
+ "\nLines: " + textInfo.lineCount + " Pages: " + textInfo.pageCount;
// Draw Quads around each of the Characters
#region Draw Characters
if (ShowCharacters)
DrawCharactersBounds();
#endregion
// Draw Quads around each of the words
#region Draw Words
if (ShowWords)
DrawWordBounds();
#endregion
// Draw Quads around each of the words
#region Draw Links
if (ShowLinks)
DrawLinkBounds();
#endregion
// Draw Quads around each line
#region Draw Lines
if (ShowLines)
DrawLineBounds();
#endregion
// Draw Quad around the bounds of the text
#region Draw Bounds
if (ShowMeshBounds)
DrawBounds();
#endregion
// Draw Quad around the rendered region of the text.
#region Draw Text Bounds
if (ShowTextBounds)
DrawTextBounds();
#endregion
}
/// <summary>
/// Method to draw a rectangle around each character.
/// </summary>
/// <param name="text"></param>
void DrawCharactersBounds()
{
TMP_TextInfo textInfo = m_TextComponent.textInfo;
for (int i = 0; i < textInfo.characterCount; i++)
{
// Draw visible as well as invisible characters
TMP_CharacterInfo cInfo = textInfo.characterInfo[i];
bool isCharacterVisible = i >= m_TextComponent.maxVisibleCharacters ||
cInfo.lineNumber >= m_TextComponent.maxVisibleLines ||
(m_TextComponent.overflowMode == TextOverflowModes.Page && cInfo.pageNumber + 1 != m_TextComponent.pageToDisplay) ? false : true;
if (!isCharacterVisible) continue;
// Get Bottom Left and Top Right position of the current character
Vector3 bottomLeft = m_Transform.TransformPoint(cInfo.bottomLeft);
Vector3 topLeft = m_Transform.TransformPoint(new Vector3(cInfo.topLeft.x, cInfo.topLeft.y, 0));
Vector3 topRight = m_Transform.TransformPoint(cInfo.topRight);
Vector3 bottomRight = m_Transform.TransformPoint(new Vector3(cInfo.bottomRight.x, cInfo.bottomRight.y, 0));
Color color = cInfo.isVisible ? Color.yellow : Color.grey;
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, color);
// Baseline
Vector3 baselineStart = new Vector3(topLeft.x, m_Transform.TransformPoint(new Vector3(0, cInfo.baseLine, 0)).y, 0);
Vector3 baselineEnd = new Vector3(topRight.x, m_Transform.TransformPoint(new Vector3(0, cInfo.baseLine, 0)).y, 0);
Gizmos.color = Color.cyan;
Gizmos.DrawLine(baselineStart, baselineEnd);
// Draw Ascender & Descender for each character.
Vector3 ascenderStart = new Vector3(topLeft.x, m_Transform.TransformPoint(new Vector3(0, cInfo.ascender, 0)).y, 0);
Vector3 ascenderEnd = new Vector3(topRight.x, m_Transform.TransformPoint(new Vector3(0, cInfo.ascender, 0)).y, 0);
Vector3 descenderStart = new Vector3(bottomLeft.x, m_Transform.TransformPoint(new Vector3(0, cInfo.descender, 0)).y, 0);
Vector3 descenderEnd = new Vector3(bottomRight.x, m_Transform.TransformPoint(new Vector3(0, cInfo.descender, 0)).y, 0);
Gizmos.color = Color.cyan;
Gizmos.DrawLine(ascenderStart, ascenderEnd);
Gizmos.DrawLine(descenderStart, descenderEnd);
// Draw Cap Height
float capHeight = cInfo.baseLine + cInfo.fontAsset.fontInfo.CapHeight * cInfo.scale;
Vector3 capHeightStart = new Vector3(topLeft.x, m_Transform.TransformPoint(new Vector3(0, capHeight, 0)).y, 0);
Vector3 capHeightEnd = new Vector3(topRight.x, m_Transform.TransformPoint(new Vector3(0, capHeight, 0)).y, 0);
Gizmos.color = Color.cyan;
Gizmos.DrawLine(capHeightStart, capHeightEnd);
// Draw xAdvance for each character.
float xAdvance = m_Transform.TransformPoint(cInfo.xAdvance, 0, 0).x;
Vector3 topAdvance = new Vector3(xAdvance, topLeft.y, 0);
Vector3 bottomAdvance = new Vector3(xAdvance, bottomLeft.y, 0);
Gizmos.color = Color.green;
Gizmos.DrawLine(topAdvance, bottomAdvance);
}
}
/// <summary>
/// Method to draw rectangles around each word of the text.
/// </summary>
/// <param name="text"></param>
void DrawWordBounds()
{
TMP_TextInfo textInfo = m_TextComponent.textInfo;
for (int i = 0; i < textInfo.wordCount; i++)
{
TMP_WordInfo wInfo = textInfo.wordInfo[i];
bool isBeginRegion = false;
Vector3 bottomLeft = Vector3.zero;
Vector3 topLeft = Vector3.zero;
Vector3 bottomRight = Vector3.zero;
Vector3 topRight = Vector3.zero;
float maxAscender = -Mathf.Infinity;
float minDescender = Mathf.Infinity;
Color wordColor = Color.green;
// Iterate through each character of the word
for (int j = 0; j < wInfo.characterCount; j++)
{
int characterIndex = wInfo.firstCharacterIndex + j;
TMP_CharacterInfo currentCharInfo = textInfo.characterInfo[characterIndex];
int currentLine = currentCharInfo.lineNumber;
bool isCharacterVisible = characterIndex > m_TextComponent.maxVisibleCharacters ||
currentCharInfo.lineNumber > m_TextComponent.maxVisibleLines ||
(m_TextComponent.overflowMode == TextOverflowModes.Page && currentCharInfo.pageNumber + 1 != m_TextComponent.pageToDisplay) ? false : true;
// Track Max Ascender and Min Descender
maxAscender = Mathf.Max(maxAscender, currentCharInfo.ascender);
minDescender = Mathf.Min(minDescender, currentCharInfo.descender);
if (isBeginRegion == false && isCharacterVisible)
{
isBeginRegion = true;
bottomLeft = new Vector3(currentCharInfo.bottomLeft.x, currentCharInfo.descender, 0);
topLeft = new Vector3(currentCharInfo.bottomLeft.x, currentCharInfo.ascender, 0);
//Debug.Log("Start Word Region at [" + currentCharInfo.character + "]");
// If Word is one character
if (wInfo.characterCount == 1)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, wordColor);
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
}
}
// Last Character of Word
if (isBeginRegion && j == wInfo.characterCount - 1)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, wordColor);
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
}
// If Word is split on more than one line.
else if (isBeginRegion && currentLine != textInfo.characterInfo[characterIndex + 1].lineNumber)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, wordColor);
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
maxAscender = -Mathf.Infinity;
minDescender = Mathf.Infinity;
}
}
//Debug.Log(wInfo.GetWord(m_TextMeshPro.textInfo.characterInfo));
}
}
/// <summary>
/// Draw rectangle around each of the links contained in the text.
/// </summary>
/// <param name="text"></param>
void DrawLinkBounds()
{
TMP_TextInfo textInfo = m_TextComponent.textInfo;
for (int i = 0; i < textInfo.linkCount; i++)
{
TMP_LinkInfo linkInfo = textInfo.linkInfo[i];
bool isBeginRegion = false;
Vector3 bottomLeft = Vector3.zero;
Vector3 topLeft = Vector3.zero;
Vector3 bottomRight = Vector3.zero;
Vector3 topRight = Vector3.zero;
float maxAscender = -Mathf.Infinity;
float minDescender = Mathf.Infinity;
Color32 linkColor = Color.cyan;
// Iterate through each character of the link text
for (int j = 0; j < linkInfo.linkTextLength; j++)
{
int characterIndex = linkInfo.linkTextfirstCharacterIndex + j;
TMP_CharacterInfo currentCharInfo = textInfo.characterInfo[characterIndex];
int currentLine = currentCharInfo.lineNumber;
bool isCharacterVisible = characterIndex > m_TextComponent.maxVisibleCharacters ||
currentCharInfo.lineNumber > m_TextComponent.maxVisibleLines ||
(m_TextComponent.overflowMode == TextOverflowModes.Page && currentCharInfo.pageNumber + 1 != m_TextComponent.pageToDisplay) ? false : true;
// Track Max Ascender and Min Descender
maxAscender = Mathf.Max(maxAscender, currentCharInfo.ascender);
minDescender = Mathf.Min(minDescender, currentCharInfo.descender);
if (isBeginRegion == false && isCharacterVisible)
{
isBeginRegion = true;
bottomLeft = new Vector3(currentCharInfo.bottomLeft.x, currentCharInfo.descender, 0);
topLeft = new Vector3(currentCharInfo.bottomLeft.x, currentCharInfo.ascender, 0);
//Debug.Log("Start Word Region at [" + currentCharInfo.character + "]");
// If Link is one character
if (linkInfo.linkTextLength == 1)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, linkColor);
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
}
}
// Last Character of Link
if (isBeginRegion && j == linkInfo.linkTextLength - 1)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, linkColor);
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
}
// If Link is split on more than one line.
else if (isBeginRegion && currentLine != textInfo.characterInfo[characterIndex + 1].lineNumber)
{
isBeginRegion = false;
topLeft = m_Transform.TransformPoint(new Vector3(topLeft.x, maxAscender, 0));
bottomLeft = m_Transform.TransformPoint(new Vector3(bottomLeft.x, minDescender, 0));
bottomRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, minDescender, 0));
topRight = m_Transform.TransformPoint(new Vector3(currentCharInfo.topRight.x, maxAscender, 0));
// Draw Region
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, linkColor);
maxAscender = -Mathf.Infinity;
minDescender = Mathf.Infinity;
//Debug.Log("End Word Region at [" + currentCharInfo.character + "]");
}
}
//Debug.Log(wInfo.GetWord(m_TextMeshPro.textInfo.characterInfo));
}
}
/// <summary>
/// Draw Rectangles around each lines of the text.
/// </summary>
/// <param name="text"></param>
void DrawLineBounds()
{
TMP_TextInfo textInfo = m_TextComponent.textInfo;
for (int i = 0; i < textInfo.lineCount; i++)
{
TMP_LineInfo lineInfo = textInfo.lineInfo[i];
bool isLineVisible = (lineInfo.characterCount == 1 && textInfo.characterInfo[lineInfo.firstCharacterIndex].character == 10) ||
i > m_TextComponent.maxVisibleLines ||
(m_TextComponent.overflowMode == TextOverflowModes.Page && textInfo.characterInfo[lineInfo.firstCharacterIndex].pageNumber + 1 != m_TextComponent.pageToDisplay) ? false : true;
if (!isLineVisible) continue;
//if (!ShowLinesOnlyVisibleCharacters)
//{
// Get Bottom Left and Top Right position of each line
float ascender = lineInfo.ascender;
float descender = lineInfo.descender;
float baseline = lineInfo.baseline;
float maxAdvance = lineInfo.maxAdvance;
Vector3 bottomLeft = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].bottomLeft.x, descender, 0));
Vector3 topLeft = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].bottomLeft.x, ascender, 0));
Vector3 topRight = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastCharacterIndex].topRight.x, ascender, 0));
Vector3 bottomRight = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastCharacterIndex].topRight.x, descender, 0));
DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, Color.green);
Vector3 bottomOrigin = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].origin, descender, 0));
Vector3 topOrigin = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].origin, ascender, 0));
Vector3 bottomAdvance = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].origin + maxAdvance, descender, 0));
Vector3 topAdvance = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].origin + maxAdvance, ascender, 0));
DrawDottedRectangle(bottomOrigin, topOrigin, topAdvance, bottomAdvance, Color.green);
Vector3 baselineStart = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstCharacterIndex].bottomLeft.x, baseline, 0));
Vector3 baselineEnd = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastCharacterIndex].topRight.x, baseline, 0));
Gizmos.color = Color.cyan;
Gizmos.DrawLine(baselineStart, baselineEnd);
// Draw LineExtents
Gizmos.color = Color.grey;
Gizmos.DrawLine(m_Transform.TransformPoint(lineInfo.lineExtents.min), m_Transform.TransformPoint(lineInfo.lineExtents.max));
//}
//else
//{
//// Get Bottom Left and Top Right position of each line
//float ascender = lineInfo.ascender;
//float descender = lineInfo.descender;
//Vector3 bottomLeft = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstVisibleCharacterIndex].bottomLeft.x, descender, 0));
//Vector3 topLeft = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstVisibleCharacterIndex].bottomLeft.x, ascender, 0));
//Vector3 topRight = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastVisibleCharacterIndex].topRight.x, ascender, 0));
//Vector3 bottomRight = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastVisibleCharacterIndex].topRight.x, descender, 0));
//DrawRectangle(bottomLeft, topLeft, topRight, bottomRight, Color.green);
//Vector3 baselineStart = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.firstVisibleCharacterIndex].bottomLeft.x, textInfo.characterInfo[lineInfo.firstVisibleCharacterIndex].baseLine, 0));
//Vector3 baselineEnd = m_Transform.TransformPoint(new Vector3(textInfo.characterInfo[lineInfo.lastVisibleCharacterIndex].topRight.x, textInfo.characterInfo[lineInfo.lastVisibleCharacterIndex].baseLine, 0));
//Gizmos.color = Color.cyan;
//Gizmos.DrawLine(baselineStart, baselineEnd);
//}
}
}
/// <summary>
/// Draw Rectangle around the bounds of the text object.
/// </summary>
void DrawBounds()
{
Bounds meshBounds = m_TextComponent.bounds;
// Get Bottom Left and Top Right position of each word
Vector3 bottomLeft = m_TextComponent.transform.position + (meshBounds.center - meshBounds.extents);
Vector3 topRight = m_TextComponent.transform.position + (meshBounds.center + meshBounds.extents);
DrawRectangle(bottomLeft, topRight, new Color(1, 0.5f, 0));
}
void DrawTextBounds()
{
Bounds textBounds = m_TextComponent.textBounds;
Vector3 bottomLeft = m_TextComponent.transform.position + (textBounds.center - textBounds.extents);
Vector3 topRight = m_TextComponent.transform.position + (textBounds.center + textBounds.extents);
DrawRectangle(bottomLeft, topRight, new Color(0f, 0.5f, 0.5f));
}
// Draw Rectangles
void DrawRectangle(Vector3 BL, Vector3 TR, Color color)
{
Gizmos.color = color;
Gizmos.DrawLine(new Vector3(BL.x, BL.y, 0), new Vector3(BL.x, TR.y, 0));
Gizmos.DrawLine(new Vector3(BL.x, TR.y, 0), new Vector3(TR.x, TR.y, 0));
Gizmos.DrawLine(new Vector3(TR.x, TR.y, 0), new Vector3(TR.x, BL.y, 0));
Gizmos.DrawLine(new Vector3(TR.x, BL.y, 0), new Vector3(BL.x, BL.y, 0));
}
// Draw Rectangles
void DrawRectangle(Vector3 bl, Vector3 tl, Vector3 tr, Vector3 br, Color color)
{
Gizmos.color = color;
Gizmos.DrawLine(bl, tl);
Gizmos.DrawLine(tl, tr);
Gizmos.DrawLine(tr, br);
Gizmos.DrawLine(br, bl);
}
// Draw Rectangles
void DrawDottedRectangle(Vector3 bl, Vector3 tl, Vector3 tr, Vector3 br, Color color)
{
var cam = Camera.current;
float dotSpacing = (cam.WorldToScreenPoint(br).x - cam.WorldToScreenPoint(bl).x) / 75f;
UnityEditor.Handles.color = color;
UnityEditor.Handles.DrawDottedLine(bl, tl, dotSpacing);
UnityEditor.Handles.DrawDottedLine(tl, tr, dotSpacing);
UnityEditor.Handles.DrawDottedLine(tr, br, dotSpacing);
UnityEditor.Handles.DrawDottedLine(br, bl, dotSpacing);
}
#endif
}
}