using UnityEngine;
using UnityEngine.TextCore;
using UnityEngine.TextCore.LowLevel;
using UnityEditor;
using System.Collections.Generic;
namespace TMPro.EditorUtilities
{
[CustomPropertyDrawer(typeof(GlyphPairAdjustmentRecord))]
internal class GlyphPairAdjustmentRecordPropertyDrawer : PropertyDrawer
{
private bool isEditingEnabled;
private bool isSelectable;
private Dictionary<uint, GlyphProxy> m_GlyphLookupDictionary;
private string m_FirstCharacter = string.Empty;
private string m_SecondCharacter = string.Empty;
private string m_PreviousInput;
static GUIContent s_CharacterTextFieldLabel = new GUIContent("Char:", "Enter the character or its UTF16 or UTF32 Unicode character escape sequence. For UTF16 use \"\\uFF00\" and for UTF32 use \"\\UFF00FF00\" representation.");
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
SerializedProperty prop_FirstAdjustmentRecord = property.FindPropertyRelative("m_FirstAdjustmentRecord");
SerializedProperty prop_SecondAdjustmentRecord = property.FindPropertyRelative("m_SecondAdjustmentRecord");
SerializedProperty prop_FirstGlyphIndex = prop_FirstAdjustmentRecord.FindPropertyRelative("m_GlyphIndex");
SerializedProperty prop_FirstGlyphValueRecord = prop_FirstAdjustmentRecord.FindPropertyRelative("m_GlyphValueRecord");
SerializedProperty prop_SecondGlyphIndex = prop_SecondAdjustmentRecord.FindPropertyRelative("m_GlyphIndex");
SerializedProperty prop_SecondGlyphValueRecord = prop_SecondAdjustmentRecord.FindPropertyRelative("m_GlyphValueRecord");
SerializedProperty prop_FontFeatureLookupFlags = property.FindPropertyRelative("m_FeatureLookupFlags");
// Refresh glyph proxy lookup dictionary if needed
if (TMP_PropertyDrawerUtilities.s_RefreshGlyphProxyLookup)
TMP_PropertyDrawerUtilities.RefreshGlyphProxyLookup(property.serializedObject);
position.yMin += 2;
float width = position.width / 2;
float padding = 5.0f;
Rect rect;
isEditingEnabled = GUI.enabled;
isSelectable = label.text == "Selectable";
if (isSelectable)
GUILayoutUtility.GetRect(position.width, 80);
else
GUILayoutUtility.GetRect(position.width, 55);
GUIStyle style = new GUIStyle(EditorStyles.label);
style.richText = true;
// First Glyph
GUI.enabled = isEditingEnabled;
if (isSelectable)
{
rect = new Rect(position.x + 70, position.y, position.width, 49);
float labelWidth = GUI.skin.label.CalcSize(new GUIContent("ID: " + prop_FirstGlyphIndex.intValue)).x;
EditorGUI.LabelField(new Rect(position.x + (64 - labelWidth) / 2, position.y + 60, 64f, 18f), new GUIContent("ID: <color=#FFFF80>" + prop_FirstGlyphIndex.intValue + "</color>"), style);
GUI.enabled = isEditingEnabled;
EditorGUIUtility.labelWidth = 25f;
rect = new Rect(position.x + 70, position.y + 10, (width - 70) - padding, 18);
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_XPlacement"), new GUIContent("OX:"));
rect.y += 20;
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_YPlacement"), new GUIContent("OY:"));
rect.y += 20;
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_XAdvance"), new GUIContent("AX:"));
//rect.y += 20;
//EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_YAdvance"), new GUIContent("AY:"));
DrawGlyph((uint)prop_FirstGlyphIndex.intValue, new Rect(position.x, position.y + 2, 64, 60), property);
}
else
{
rect = new Rect(position.x, position.y, width / 2 * 0.8f - padding, 18);
EditorGUIUtility.labelWidth = 40f;
// First Character Lookup
GUI.SetNextControlName("FirstCharacterField");
EditorGUI.BeginChangeCheck();
string firstCharacter = EditorGUI.TextField(rect, s_CharacterTextFieldLabel, m_FirstCharacter);
if (GUI.GetNameOfFocusedControl() == "FirstCharacterField")
{
if (ValidateInput(firstCharacter))
{
//Debug.Log("1st Unicode value: [" + firstCharacter + "]");
uint unicode = GetUnicodeCharacter(firstCharacter);
// Lookup glyph index
TMP_SerializedPropertyHolder propertyHolder = property.serializedObject.targetObject as TMP_SerializedPropertyHolder;
TMP_FontAsset fontAsset = propertyHolder.fontAsset;
if (fontAsset != null)
{
prop_FirstGlyphIndex.intValue = (int)fontAsset.GetGlyphIndex(unicode);
propertyHolder.firstCharacter = unicode;
}
}
}
if (EditorGUI.EndChangeCheck())
m_FirstCharacter = firstCharacter;
// First Glyph Index
rect.x += width / 2 * 0.8f;
EditorGUIUtility.labelWidth = 25f;
EditorGUI.BeginChangeCheck();
EditorGUI.PropertyField(rect, prop_FirstGlyphIndex, new GUIContent("ID:"));
if (EditorGUI.EndChangeCheck())
{
}
GUI.enabled = isEditingEnabled;
EditorGUIUtility.labelWidth = 25f;
rect = new Rect(position.x, position.y + 20, width * 0.5f - padding, 18);
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_XPlacement"), new GUIContent("OX"));
rect.x += width * 0.5f;
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_YPlacement"), new GUIContent("OY"));
rect.x = position.x;
rect.y += 20;
EditorGUI.PropertyField(rect, prop_FirstGlyphValueRecord.FindPropertyRelative("m_XAdvance"), new GUIContent("AX"));
//rect.x += width * 0.5f;
//EditorGUI.PropertyField(rect, prop_FirstGlyphAdjustment.FindPropertyRelative("m_YAdvance"), new GUIContent("AY"));
}
// Second Glyph
GUI.enabled = isEditingEnabled;
if (isSelectable)
{
float labelWidth = GUI.skin.label.CalcSize(new GUIContent("ID: " + prop_SecondGlyphIndex.intValue)).x;
EditorGUI.LabelField(new Rect(position.width / 2 + 20 + (64 - labelWidth) / 2, position.y + 60, 64f, 18f), new GUIContent("ID: <color=#FFFF80>" + prop_SecondGlyphIndex.intValue + "</color>"), style);
GUI.enabled = isEditingEnabled;
EditorGUIUtility.labelWidth = 25f;
rect = new Rect(position.width / 2 + 20 + 70, position.y + 10, (width - 70) - padding, 18);
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_XPlacement"), new GUIContent("OX:"));
rect.y += 20;
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_YPlacement"), new GUIContent("OY:"));
rect.y += 20;
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_XAdvance"), new GUIContent("AX:"));
//rect.y += 20;
//EditorGUI.PropertyField(rect, prop_SecondGlyphAdjustment.FindPropertyRelative("m_YAdvance"), new GUIContent("AY"));
DrawGlyph((uint)prop_SecondGlyphIndex.intValue, new Rect(position.width / 2 + 20, position.y + 2, 64, 60), property);
}
else
{
rect = new Rect(position.width / 2 + 20, position.y, width / 2 * 0.8f - padding, 18);
EditorGUIUtility.labelWidth = 40f;
// Second Character Lookup
GUI.SetNextControlName("SecondCharacterField");
EditorGUI.BeginChangeCheck();
string secondCharacter = EditorGUI.TextField(rect, s_CharacterTextFieldLabel, m_SecondCharacter);
if (GUI.GetNameOfFocusedControl() == "SecondCharacterField")
{
if (ValidateInput(secondCharacter))
{
//Debug.Log("2nd Unicode value: [" + secondCharacter + "]");
uint unicode = GetUnicodeCharacter(secondCharacter);
// Lookup glyph index
TMP_SerializedPropertyHolder propertyHolder = property.serializedObject.targetObject as TMP_SerializedPropertyHolder;
TMP_FontAsset fontAsset = propertyHolder.fontAsset;
if (fontAsset != null)
{
prop_SecondGlyphIndex.intValue = (int)fontAsset.GetGlyphIndex(unicode);
propertyHolder.secondCharacter = unicode;
}
}
}
if (EditorGUI.EndChangeCheck())
m_SecondCharacter = secondCharacter;
// Second Glyph Index
rect.x += width / 2 * 0.8f;
EditorGUIUtility.labelWidth = 25f;
EditorGUI.BeginChangeCheck();
EditorGUI.PropertyField(rect, prop_SecondGlyphIndex, new GUIContent("ID:"));
if (EditorGUI.EndChangeCheck())
{
}
GUI.enabled = isEditingEnabled;
EditorGUIUtility.labelWidth = 25f;
rect = new Rect(position.width / 2 + 20, position.y + 20, width * 0.5f - padding, 18);
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_XPlacement"), new GUIContent("OX"));
rect.x += width * 0.5f;
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_YPlacement"), new GUIContent("OY"));
rect.x = position.width / 2 + 20;
rect.y += 20;
EditorGUI.PropertyField(rect, prop_SecondGlyphValueRecord.FindPropertyRelative("m_XAdvance"), new GUIContent("AX"));
//rect.x += width * 0.5f;
//EditorGUI.PropertyField(rect, prop_SecondGlyphAdjustment.FindPropertyRelative("m_YAdvance"), new GUIContent("AY"));
}
// Font Feature Lookup Flags
if (isSelectable)
{
EditorGUIUtility.labelWidth = 50f;
rect.width = position.width * 0.5f;
rect.x = rect.width + 16;
rect.y += 28;
FontFeatureLookupFlags flags = (FontFeatureLookupFlags)prop_FontFeatureLookupFlags.intValue;
EditorGUI.BeginChangeCheck();
flags = (FontFeatureLookupFlags)EditorGUI.EnumFlagsField(rect, new GUIContent("Options:"), flags);
if (EditorGUI.EndChangeCheck())
{
prop_FontFeatureLookupFlags.intValue = (int)flags;
}
}
}
bool ValidateInput(string source)
{
int length = string.IsNullOrEmpty(source) ? 0 : source.Length;
////Filter out unwanted characters.
Event evt = Event.current;
char c = evt.character;
if (c != '\0')
{
switch (length)
{
case 0:
break;
case 1:
if (source != m_PreviousInput)
return true;
if ((source[0] == '\\' && (c == 'u' || c == 'U')) == false)
evt.character = '\0';
break;
case 2:
case 3:
case 4:
case 5:
if ((c < '0' || c > '9') && (c < 'a' || c > 'f') && (c < 'A' || c > 'F'))
evt.character = '\0';
break;
case 6:
case 7:
case 8:
case 9:
if (source[1] == 'u' || (c < '0' || c > '9') && (c < 'a' || c > 'f') && (c < 'A' || c > 'F'))
evt.character = '\0';
// Validate input
if (length == 6 && source[1] == 'u' && source != m_PreviousInput)
return true;
break;
case 10:
if (source != m_PreviousInput)
return true;
evt.character = '\0';
break;
}
}
m_PreviousInput = source;
return false;
}
uint GetUnicodeCharacter (string source)
{
uint unicode;
if (source.Length == 1)
unicode = source[0];
else if (source.Length == 6)
unicode = (uint)TMP_TextUtilities.StringHexToInt(source.Replace("\\u", ""));
else
unicode = (uint)TMP_TextUtilities.StringHexToInt(source.Replace("\\U", ""));
return unicode;
}
void DrawGlyph(uint glyphIndex, Rect glyphDrawPosition, SerializedProperty property)
{
// Get a reference to the serialized object which can either be a TMP_FontAsset or FontAsset.
SerializedObject so = property.serializedObject;
if (so == null)
return;
if (m_GlyphLookupDictionary == null)
m_GlyphLookupDictionary = TMP_PropertyDrawerUtilities.GetGlyphProxyLookupDictionary(so);
// Try getting a reference to the glyph for the given glyph index.
if (!m_GlyphLookupDictionary.TryGetValue(glyphIndex, out GlyphProxy glyph))
return;
Texture2D atlasTexture;
if (TMP_PropertyDrawerUtilities.TryGetAtlasTextureFromSerializedObject(so, glyph.atlasIndex, out atlasTexture) == false)
return;
Material mat;
if (TMP_PropertyDrawerUtilities.TryGetMaterial(so, atlasTexture, out mat) == false)
return;
int padding = so.FindProperty("m_AtlasPadding").intValue;
GlyphRect glyphRect = glyph.glyphRect;
int glyphOriginX = glyphRect.x - padding;
int glyphOriginY = glyphRect.y - padding;
int glyphWidth = glyphRect.width + padding * 2;
int glyphHeight = glyphRect.height + padding * 2;
SerializedProperty faceInfoProperty = so.FindProperty("m_FaceInfo");
float ascentLine = faceInfoProperty.FindPropertyRelative("m_AscentLine").floatValue;
float descentLine = faceInfoProperty.FindPropertyRelative("m_DescentLine").floatValue;
float normalizedHeight = ascentLine - descentLine;
float scale = glyphDrawPosition.width / normalizedHeight;
// Compute the normalized texture coordinates
Rect texCoords = new Rect((float)glyphOriginX / atlasTexture.width, (float)glyphOriginY / atlasTexture.height, (float)glyphWidth / atlasTexture.width, (float)glyphHeight / atlasTexture.height);
if (Event.current.type == EventType.Repaint)
{
glyphDrawPosition.x += (glyphDrawPosition.width - glyphWidth * scale) / 2;
glyphDrawPosition.y += (glyphDrawPosition.height - glyphHeight * scale) / 2;
glyphDrawPosition.width = glyphWidth * scale;
glyphDrawPosition.height = glyphHeight * scale;
// Could switch to using the default material of the font asset which would require passing scale to the shader.
Graphics.DrawTexture(glyphDrawPosition, atlasTexture, texCoords, 0, 0, 0, 0, new Color(1f, 1f, 1f), mat);
}
}
}
}