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Initial commit
2019-09-29 19:40:54 -04:00
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TMP_FontAssetý/using System;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.TextCore;
using UnityEngine.TextCore.LowLevel;
using UnityEngine.Profiling;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
namespace TMPro
{
public enum AtlasPopulationMode
{
Static = 0x0,
Dynamic = 0x1,
}
[Serializable]
public class TMP_FontAsset : TMP_Asset
{
/// <summary>
/// The version of the font asset class.
/// Version 1.1.0 adds support for the new TextCore.FontEngine and Dynamic SDF system.
/// </summary>
public string version
{
get { return m_Version; }
internal set { m_Version = value; }
}
[SerializeField]
private string m_Version;
/// <summary>
/// This field is set when the font asset is first created.
/// </summary>
[SerializeField]
internal string m_SourceFontFileGUID;
#if UNITY_EDITOR
/// <summary>
/// Persistent reference to the source font file maintained in the editor.
/// </summary>
[SerializeField]
internal Font m_SourceFontFile_EditorRef;
#endif
/// <summary>
/// Source font file when atlas population mode is set to dynamic. Null when the atlas population mode is set to static.
/// </summary>
public Font sourceFontFile
{
get { return m_SourceFontFile; }
internal set { m_SourceFontFile = value; }
}
[SerializeField]
private Font m_SourceFontFile;
public AtlasPopulationMode atlasPopulationMode
{
get { return m_AtlasPopulationMode; }
set
{
m_AtlasPopulationMode = value;
#if UNITY_EDITOR
if (m_AtlasPopulationMode == AtlasPopulationMode.Static)
m_SourceFontFile = null;
else if (m_AtlasPopulationMode == AtlasPopulationMode.Dynamic)
m_SourceFontFile = m_SourceFontFile_EditorRef;
#endif
}
}
[SerializeField]
private AtlasPopulationMode m_AtlasPopulationMode;
/// <summary>
/// Information about the font face.
/// </summary>
public FaceInfo faceInfo
{
get { return m_FaceInfo; }
internal set { m_FaceInfo = value; }
}
[SerializeField]
private FaceInfo m_FaceInfo;
/// <summary>
/// List of glyphs contained in the font asset.
/// </summary>
public List<Glyph> glyphTable
{
get { return m_GlyphTable; }
internal set { m_GlyphTable = value; }
}
[SerializeField]
private List<Glyph> m_GlyphTable = new List<Glyph>();
/// <summary>
/// Dictionary used to lookup glyphs contained in the font asset by their index.
/// </summary>
public Dictionary<uint, Glyph> glyphLookupTable
{
get
{
if (m_GlyphLookupDictionary == null)
ReadFontAssetDefinition();
return m_GlyphLookupDictionary;
}
}
private Dictionary<uint, Glyph> m_GlyphLookupDictionary;
/// <summary>
/// List containing the characters of the given font asset.
/// </summary>
public List<TMP_Character> characterTable
{
get { return m_CharacterTable; }
internal set { m_CharacterTable = value; }
}
[SerializeField]
private List<TMP_Character> m_CharacterTable = new List<TMP_Character>();
/// <summary>
/// Dictionary used to lookup characters contained in the font asset by their unicode values.
/// </summary>
public Dictionary<uint, TMP_Character> characterLookupTable
{
get
{
if (m_CharacterLookupDictionary == null)
ReadFontAssetDefinition();
return m_CharacterLookupDictionary;
}
}
private Dictionary<uint, TMP_Character> m_CharacterLookupDictionary;
/// <summary>
/// The font atlas used by this font asset.
/// This is always the texture at index [0] of the fontAtlasTextures.
/// </summary>
public Texture2D atlasTexture
{
get
{
if (m_AtlasTexture == null)
{
m_AtlasTexture = atlasTextures[0];
}
return m_AtlasTexture;
}
}
private Texture2D m_AtlasTexture;
/// <summary>
/// Array of atlas textures that contain the glyphs used by this font asset.
/// </summary>
public Texture2D[] atlasTextures
{
get
{
if (m_AtlasTextures == null)
{
//
}
return m_AtlasTextures;
}
set
{
m_AtlasTextures = value;
}
}
[SerializeField]
private Texture2D[] m_AtlasTextures;
/// <summary>
/// Index of the font atlas texture that still has available space to add new glyphs.
/// </summary>
[SerializeField]
internal int m_AtlasTextureIndex;
/// <summary>
/// List of spaces occupied by glyphs in a given texture.
/// </summary>
internal List<GlyphRect> usedGlyphRects
{
get { return m_UsedGlyphRects; }
set { m_UsedGlyphRects = value; }
}
[SerializeField]
private List<GlyphRect> m_UsedGlyphRects;
/// <summary>
/// List of spaces available in a given texture to add new glyphs.
/// </summary>
internal List<GlyphRect> freeGlyphRects
{
get { return m_FreeGlyphRects; }
set { m_FreeGlyphRects = value; }
}
[SerializeField]
private List<GlyphRect> m_FreeGlyphRects;
/// <summary>
/// The general information about the font.
/// This property and FaceInfo_Legacy type are not longer used in version 1.1.0 of the font asset.
/// </summary>
[Obsolete("The fontInfo property and underlying type is now obsolete. Please use the faceInfo property and FaceInfo type instead.")]
public FaceInfo_Legacy fontInfo
{
get { return m_fontInfo; }
}
[SerializeField]
private FaceInfo_Legacy m_fontInfo = null;
/// <summary>
///
/// </summary>
[SerializeField]
public Texture2D atlas; // Should add a property to make this read-only.
/// <summary>
/// The width of the atlas texture(s) used by this font asset.
/// </summary>
public int atlasWidth
{
get { return m_AtlasWidth; }
internal set { m_AtlasWidth = value; }
}
[SerializeField]
private int m_AtlasWidth;
/// <summary>
/// The height of the atlas texture(s) used by this font asset.
/// </summary>
public int atlasHeight
{
get { return m_AtlasHeight; }
internal set { m_AtlasHeight = value; }
}
[SerializeField]
private int m_AtlasHeight;
/// <summary>
/// The padding used between glyphs contained in the atlas texture(s) used by this font asset.
/// </summary>
public int atlasPadding
{
get { return m_AtlasPadding; }
internal set { m_AtlasPadding = value; }
}
[SerializeField]
private int m_AtlasPadding;
public GlyphRenderMode atlasRenderMode
{
get { return m_AtlasRenderMode; }
internal set { m_AtlasRenderMode = value; }
}
[SerializeField]
private GlyphRenderMode m_AtlasRenderMode;
// Legacy field that will eventually be removed.
[SerializeField]
internal List<TMP_Glyph> m_glyphInfoList;
[SerializeField]
[FormerlySerializedAs("m_kerningInfo")]
internal KerningTable m_KerningTable = new KerningTable();
/// <summary>
/// Table containing the various font features of this font asset.
/// </summary>
public TMP_FontFeatureTable fontFeatureTable
{
get { return m_FontFeatureTable; }
internal set { m_FontFeatureTable = value; }
}
[SerializeField]
private TMP_FontFeatureTable m_FontFeatureTable = new TMP_FontFeatureTable();
// Legacy field that will eventually be removed
[SerializeField]
#pragma warning disable 0649
private List<TMP_FontAsset> fallbackFontAssets;
/// <summary>
/// List containing the Fallback font assets for this font.
/// </summary>
public List<TMP_FontAsset> fallbackFontAssetTable
{
get { return m_FallbackFontAssetTable; }
set { m_FallbackFontAssetTable = value; }
}
[SerializeField]
public List<TMP_FontAsset> m_FallbackFontAssetTable;
/// <summary>
/// The settings used in the Font Asset Creator when this font asset was created or edited.
/// </summary>
public FontAssetCreationSettings creationSettings
{
get { return m_CreationSettings; }
set { m_CreationSettings = value; }
}
[SerializeField]
internal FontAssetCreationSettings m_CreationSettings;
/// <summary>
/// Array containing font assets to be used as alternative typefaces for the various potential font weights of this font asset.
/// </summary>
public TMP_FontWeightPair[] fontWeightTable
{
get { return m_FontWeightTable; }
internal set { m_FontWeightTable = value; }
}
[SerializeField]
private TMP_FontWeightPair[] m_FontWeightTable = new TMP_FontWeightPair[10];
// FONT WEIGHTS
/// <summary>
/// Font weights used by font asset prior to version 1.1.0.
/// This is legacy and will be removed at some point in the future.
/// </summary>
[SerializeField]
private TMP_FontWeightPair[] fontWeights = null;
//private int[] m_characterSet; // Array containing all the characters in this font asset.
/// <summary>
/// Defines the dilation of the text when using regular style.
/// </summary>
public float normalStyle = 0;
/// <summary>
/// The spacing between characters when using regular style.
/// </summary>
public float normalSpacingOffset = 0;
/// <summary>
/// Defines the dilation of the text when using bold style.
/// </summary>
public float boldStyle = 0.75f;
/// <summary>
/// The spacing between characters when using regular style.
/// </summary>
public float boldSpacing = 7f;
/// <summary>
/// Defines the slant of the text when using italic style.
/// </summary>
public byte italicStyle = 35;
public byte tabSize = 10;
private byte m_oldTabSize;
internal bool m_IsFontAssetLookupTablesDirty = false;
/// <summary>
/// Create new instance of a font asset using default settings.
/// </summary>
/// <param name="font"></param>
/// <returns></returns>
public static TMP_FontAsset CreateFontAsset(Font font)
{
return CreateFontAsset(font, 90, 9, GlyphRenderMode.SDFAA, 1024, 1024, AtlasPopulationMode.Dynamic);
}
/// <summary>
/// Create new instance of a font asset.
/// </summary>
/// <param name="font">The source font file.</param>
/// <param name="samplingPointSize">The sampling point size.</param>
/// <param name="atlasPadding">The padding / spread between individual glyphs in the font asset.</param>
/// <param name="renderMode"></param>
/// <param name="atlasWidth">The atlas texture width.</param>
/// <param name="atlasHeight">The atlas texture height.</param>
/// <param name="atlasPopulationMode"></param>
/// <returns></returns>
public static TMP_FontAsset CreateFontAsset(Font font, int samplingPointSize, int atlasPadding, GlyphRenderMode renderMode, int atlasWidth, int atlasHeight, AtlasPopulationMode atlasPopulationMode = AtlasPopulationMode.Dynamic)
{
TMP_FontAsset fontAsset = ScriptableObject.CreateInstance<TMP_FontAsset>();
fontAsset.m_Version = "1.1.0";
// Set face information
FontEngine.InitializeFontEngine();
FontEngine.LoadFontFace(font, samplingPointSize);
fontAsset.faceInfo = FontEngine.GetFaceInfo();
// Set font reference and GUID
if (atlasPopulationMode == AtlasPopulationMode.Dynamic)
fontAsset.sourceFontFile = font;
// Set persistent reference to source font file in the Editor only.
#if UNITY_EDITOR
UnityEditor.AssetDatabase.TryGetGUIDAndLocalFileIdentifier(font, out string guid, out long localID);
fontAsset.m_SourceFontFileGUID = guid;
fontAsset.m_SourceFontFile_EditorRef = font;
#endif
fontAsset.atlasPopulationMode = atlasPopulationMode;
fontAsset.atlasWidth = atlasWidth;
fontAsset.atlasHeight = atlasHeight;
fontAsset.atlasPadding = atlasPadding;
fontAsset.atlasRenderMode = renderMode;
// Initialize array for the font atlas textures.
fontAsset.atlasTextures = new Texture2D[1];
// Create and add font atlas texture.
Texture2D texture = new Texture2D(0, 0, TextureFormat.Alpha8, false);
//texture.name = assetName + " Atlas";
fontAsset.atlasTextures[0] = texture;
// Add free rectangle of the size of the texture.
int packingModifier;
if (((GlyphRasterModes)renderMode & GlyphRasterModes.RASTER_MODE_BITMAP) == GlyphRasterModes.RASTER_MODE_BITMAP)
{
packingModifier = 0;
// Optimize by adding static ref to shader.
Material tmp_material = new Material(ShaderUtilities.ShaderRef_MobileBitmap);
//tmp_material.name = texture.name + " Material";
tmp_material.SetTexture(ShaderUtilities.ID_MainTex, texture);
tmp_material.SetFloat(ShaderUtilities.ID_TextureWidth, atlasWidth);
tmp_material.SetFloat(ShaderUtilities.ID_TextureHeight, atlasHeight);
fontAsset.material = tmp_material;
}
else
{
packingModifier = 1;
// Optimize by adding static ref to shader.
Material tmp_material = new Material(ShaderUtilities.ShaderRef_MobileSDF);
//tmp_material.name = texture.name + " Material";
tmp_material.SetTexture(ShaderUtilities.ID_MainTex, texture);
tmp_material.SetFloat(ShaderUtilities.ID_TextureWidth, atlasWidth);
tmp_material.SetFloat(ShaderUtilities.ID_TextureHeight, atlasHeight);
tmp_material.SetFloat(ShaderUtilities.ID_GradientScale, atlasPadding + packingModifier);
tmp_material.SetFloat(ShaderUtilities.ID_WeightNormal, fontAsset.normalStyle);
tmp_material.SetFloat(ShaderUtilities.ID_WeightBold, fontAsset.boldStyle);
fontAsset.material = tmp_material;
}
fontAsset.freeGlyphRects = new List<GlyphRect>() { new GlyphRect(0, 0, atlasWidth - packingModifier, atlasHeight - packingModifier) };
fontAsset.usedGlyphRects = new List<GlyphRect>();
// TODO: Consider adding support for extracting glyph positioning data
fontAsset.ReadFontAssetDefinition();
return fontAsset;
}
void Awake()
{
//Debug.Log("TMP Font Asset [" + this.name + "] with Version #" + m_Version + " has been enabled!");
// Check version number of font asset to see if it needs to be upgraded.
if (this.material != null && string.IsNullOrEmpty(m_Version))
UpgradeFontAsset();
}
#if UNITY_EDITOR
void OnValidate()
{
//if (m_oldTabSize != tabSize)
//{
// m_oldTabSize = tabSize;
// ReadFontAssetDefinition();
//}
// Handle changes to atlas population mode
//if (m_AtlasPopulationMode == AtlasPopulationMode.Static)
// m_SourceFontFile = null;
//else
//{
// string path = UnityEditor.AssetDatabase.GUIDToAssetPath(m_SourceFontFileGUID);
// if (path != string.Empty)
// m_SourceFontFile = UnityEditor.AssetDatabase.LoadAssetAtPath<Font>(path);
//}
}
#endif
/// <summary>
/// Read the various data tables of the font asset to populate its different dictionaries to allow for faster lookup of related font asset data.
/// </summary>
internal void InitializeDictionaryLookupTables()
{
// Create new instance of the glyph lookup dictionary or clear the existing one.
if (m_GlyphLookupDictionary == null)
m_GlyphLookupDictionary = new Dictionary<uint, Glyph>();
else
m_GlyphLookupDictionary.Clear();
int glyphCount = m_GlyphTable.Count;
// Initialize glyph index array or clear the existing one.
if (m_GlyphIndexList == null)
m_GlyphIndexList = new List<uint>();
else
m_GlyphIndexList.Clear();
// Add the characters contained in the character table into the dictionary for faster lookup.
for (int i = 0; i < glyphCount; i++)
{
Glyph glyph = m_GlyphTable[i];
uint index = glyph.index;
// TODO: Not sure it is necessary to check here.
if (m_GlyphLookupDictionary.ContainsKey(index) == false)
{
m_GlyphLookupDictionary.Add(index, glyph);
m_GlyphIndexList.Add(index);
}
}
// Create new instance of the character lookup dictionary or clear the existing one.
if (m_CharacterLookupDictionary == null)
m_CharacterLookupDictionary = new Dictionary<uint, TMP_Character>();
else
m_CharacterLookupDictionary.Clear();
// Add the characters contained in the character table into the dictionary for faster lookup.
for (int i = 0; i < m_CharacterTable.Count; i++)
{
TMP_Character character = m_CharacterTable[i];
uint unicode = character.unicode;
uint glyphIndex = character.glyphIndex;
if (m_CharacterLookupDictionary.ContainsKey(unicode) == false)
m_CharacterLookupDictionary.Add(unicode, character);
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex))
{
character.glyph = m_GlyphLookupDictionary[glyphIndex];
}
}
// Upgrade Glyph Adjustment Table to the new Font Feature table and Glyph Pair Adjustment Records
if (m_KerningTable != null && m_KerningTable.kerningPairs != null && m_KerningTable.kerningPairs.Count > 0)
UpgradeGlyphAdjustmentTableToFontFeatureTable();
// Read Font Features which will include kerning data.
if (m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary == null)
m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary = new Dictionary<long, TMP_GlyphPairAdjustmentRecord>();
else
m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary.Clear();
List<TMP_GlyphPairAdjustmentRecord> glyphPairAdjustmentRecords = m_FontFeatureTable.m_GlyphPairAdjustmentRecords;
if (glyphPairAdjustmentRecords != null)
{
for (int i = 0; i < glyphPairAdjustmentRecords.Count; i++)
{
TMP_GlyphPairAdjustmentRecord record = glyphPairAdjustmentRecords[i];
long key = new GlyphPairKey(record).key;
m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary.Add(key, record);
}
}
}
/// <summary>
///
/// </summary>
public void ReadFontAssetDefinition()
{
//Debug.Log("Reading Font Definition for " + this.name + ".");
// Check version number of font asset to see if it needs to be upgraded.
if (this.material != null && string.IsNullOrEmpty(m_Version))
UpgradeFontAsset();
// Initialize lookup tables for characters and glyphs.
InitializeDictionaryLookupTables();
// Add Tab char(9) to Dictionary.
if (m_CharacterLookupDictionary.ContainsKey(9) == false)
{
Glyph glyph = new Glyph(0, new GlyphMetrics(0, 0, 0, 0, m_FaceInfo.tabWidth * tabSize), GlyphRect.zero, 1.0f, 0);
m_CharacterLookupDictionary.Add(9, new TMP_Character(9, glyph));
}
// Add Linefeed LF char(10) and Carriage Return CR char(13)
if (m_CharacterLookupDictionary.ContainsKey(10) == false)
{
Glyph glyph = new Glyph(0, new GlyphMetrics(10, 0, 0, 0, 0), GlyphRect.zero, 1.0f, 0);
m_CharacterLookupDictionary.Add(10, new TMP_Character(10, glyph));
if (!m_CharacterLookupDictionary.ContainsKey(13))
m_CharacterLookupDictionary.Add(13, new TMP_Character(13, glyph));
}
// Add Zero Width Space 8203 (0x200B)
if (m_CharacterLookupDictionary.ContainsKey(8203) == false)
{
Glyph glyph = new Glyph(0, new GlyphMetrics(0, 0, 0, 0, 0), GlyphRect.zero, 1.0f, 0);
m_CharacterLookupDictionary.Add(8203, new TMP_Character(8203, glyph));
}
// Add Zero Width Non-Breaking Space 8288 (0x2060)
if (m_CharacterLookupDictionary.ContainsKey(8288) == false)
{
Glyph glyph = new Glyph(0, new GlyphMetrics(0, 0, 0, 0, 0), GlyphRect.zero, 1.0f, 0);
m_CharacterLookupDictionary.Add(8288, new TMP_Character(8288, glyph));
}
// Add Non-Breaking Hyphen 8209 (0x2011)
if (m_CharacterLookupDictionary.ContainsKey(8209) == false)
{
if (m_CharacterLookupDictionary.TryGetValue(45, out TMP_Character character))
m_CharacterLookupDictionary.Add(8209, new TMP_Character(8209, character.glyph));
}
// Set Cap Height
if (m_FaceInfo.capLine == 0 && m_CharacterLookupDictionary.ContainsKey(72))
{
uint glyphIndex = m_CharacterLookupDictionary[72].glyphIndex;
m_FaceInfo.capLine = m_GlyphLookupDictionary[glyphIndex].metrics.horizontalBearingY;
}
// Adjust Font Scale for compatibility reasons
if (m_FaceInfo.scale == 0)
m_FaceInfo.scale = 1.0f;
// Set Strikethrough Offset (if needed)
if (m_FaceInfo.strikethroughOffset == 0)
m_FaceInfo.strikethroughOffset = m_FaceInfo.capLine / 2.5f;
// Set Padding value for legacy font assets.
if (m_AtlasPadding == 0)
{
if (material.HasProperty(ShaderUtilities.ID_GradientScale))
m_AtlasPadding = (int)material.GetFloat(ShaderUtilities.ID_GradientScale) - 1;
}
// Compute Hashcode for the font asset name
hashCode = TMP_TextUtilities.GetSimpleHashCode(this.name);
// Compute Hashcode for the material name
materialHashCode = TMP_TextUtilities.GetSimpleHashCode(material.name);
m_IsFontAssetLookupTablesDirty = false;
}
/// <summary>
/// Sort the Character table by Unicode values.
/// </summary>
internal void SortCharacterTable()
{
if (m_CharacterTable != null && m_CharacterTable.Count > 0)
m_CharacterTable = m_CharacterTable.OrderBy(c => c.unicode).ToList();
}
/// <summary>
/// Sort the Glyph table by index values.
/// </summary>
internal void SortGlyphTable()
{
if (m_GlyphTable != null && m_GlyphTable.Count > 0)
m_GlyphTable = m_GlyphTable.OrderBy(c => c.index).ToList();
}
/// <summary>
/// Sort both glyph and character tables.
/// </summary>
internal void SortGlyphAndCharacterTables()
{
SortGlyphTable();
SortCharacterTable();
}
/// <summary>
/// Function to check if a certain character exists in the font asset.
/// </summary>
/// <param name="character"></param>
/// <returns></returns>
public bool HasCharacter(int character)
{
if (m_CharacterLookupDictionary == null)
return false;
if (m_CharacterLookupDictionary.ContainsKey((uint)character))
return true;
return false;
}
/// <summary>
/// Function to check if a certain character exists in the font asset.
/// </summary>
/// <param name="character"></param>
/// <returns></returns>
public bool HasCharacter(char character)
{
if (m_CharacterLookupDictionary == null)
return false;
if (m_CharacterLookupDictionary.ContainsKey(character))
return true;
return false;
}
/// <summary>
/// Function to check if a character is contained in the font asset with the option to also check through fallback font assets.
/// </summary>
/// <param name="character"></param>
/// <param name="searchFallbacks"></param>
/// <returns></returns>
public bool HasCharacter(char character, bool searchFallbacks)
{
// Read font asset definition if it hasn't already been done.
if (m_CharacterLookupDictionary == null)
{
ReadFontAssetDefinition();
if (m_CharacterLookupDictionary == null)
return false;
}
// Check font asset
if (m_CharacterLookupDictionary.ContainsKey(character))
return true;
// Check if font asset is dynamic and if so try to add the requested character to it.
if (m_AtlasPopulationMode == AtlasPopulationMode.Dynamic)
{
if (TryAddCharacterInternal(character, out TMP_Character temp))
return true;
}
if (searchFallbacks)
{
// Check font asset fallbacks
if (fallbackFontAssetTable != null && fallbackFontAssetTable.Count > 0)
{
for (int i = 0; i < fallbackFontAssetTable.Count && fallbackFontAssetTable[i] != null; i++)
{
if (fallbackFontAssetTable[i].HasCharacter_Internal(character, searchFallbacks))
return true;
}
}
// Check general fallback font assets.
if (TMP_Settings.fallbackFontAssets != null && TMP_Settings.fallbackFontAssets.Count > 0)
{
for (int i = 0; i < TMP_Settings.fallbackFontAssets.Count && TMP_Settings.fallbackFontAssets[i] != null; i++)
{
if (TMP_Settings.fallbackFontAssets[i].m_CharacterLookupDictionary == null)
TMP_Settings.fallbackFontAssets[i].ReadFontAssetDefinition();
if (TMP_Settings.fallbackFontAssets[i].m_CharacterLookupDictionary != null && TMP_Settings.fallbackFontAssets[i].HasCharacter_Internal(character, searchFallbacks))
return true;
}
}
// Check TMP Settings Default Font Asset
if (TMP_Settings.defaultFontAsset != null)
{
if (TMP_Settings.defaultFontAsset.m_CharacterLookupDictionary == null)
TMP_Settings.defaultFontAsset.ReadFontAssetDefinition();
if (TMP_Settings.defaultFontAsset.m_CharacterLookupDictionary != null && TMP_Settings.defaultFontAsset.HasCharacter_Internal(character, searchFallbacks))
return true;
}
}
return false;
}
/// <summary>
/// Function to check if a character is contained in a font asset with the option to also check through fallback font assets.
/// This private implementation does not search the fallback font asset in the TMP Settings file.
/// </summary>
/// <param name="character"></param>
/// <param name="searchFallbacks"></param>
/// <returns></returns>
bool HasCharacter_Internal(char character, bool searchFallbacks)
{
// Read font asset definition if it hasn't already been done.
if (m_CharacterLookupDictionary == null)
{
ReadFontAssetDefinition();
if (m_CharacterLookupDictionary == null)
return false;
}
// Check font asset
if (m_CharacterLookupDictionary.ContainsKey(character))
return true;
if (searchFallbacks)
{
// Check Font Asset Fallback fonts.
if (fallbackFontAssetTable != null && fallbackFontAssetTable.Count > 0)
{
for (int i = 0; i < fallbackFontAssetTable.Count && fallbackFontAssetTable[i] != null; i++)
{
if (fallbackFontAssetTable[i].HasCharacter_Internal(character, searchFallbacks))
return true;
}
}
}
return false;
}
/// <summary>
/// Function to check if certain characters exists in the font asset. Function returns a list of missing characters.
/// </summary>
/// <param name="character"></param>
/// <returns></returns>
public bool HasCharacters(string text, out List<char> missingCharacters)
{
if (m_CharacterLookupDictionary == null)
{
missingCharacters = null;
return false;
}
missingCharacters = new List<char>();
for (int i = 0; i < text.Length; i++)
{
if (!m_CharacterLookupDictionary.ContainsKey(text[i]))
missingCharacters.Add(text[i]);
}
if (missingCharacters.Count == 0)
return true;
return false;
}
/// <summary>
/// Function to check if certain characters exists in the font asset. Function returns false if any characters are missing.
/// </summary>
/// <param name="text">String containing the characters to check</param>
/// <returns></returns>
public bool HasCharacters(string text)
{
if (m_CharacterLookupDictionary == null)
return false;
for (int i = 0; i < text.Length; i++)
{
if (!m_CharacterLookupDictionary.ContainsKey(text[i]))
return false;
}
return true;
}
/// <summary>
/// Function to extract all the characters from a font asset.
/// </summary>
/// <param name="fontAsset"></param>
/// <returns></returns>
public static string GetCharacters(TMP_FontAsset fontAsset)
{
string characters = string.Empty;
for (int i = 0; i < fontAsset.characterTable.Count; i++)
{
characters += (char)fontAsset.characterTable[i].unicode;
}
return characters;
}
/// <summary>
/// Function which returns an array that contains all the characters from a font asset.
/// </summary>
/// <param name="fontAsset"></param>
/// <returns></returns>
public static int[] GetCharactersArray(TMP_FontAsset fontAsset)
{
int[] characters = new int[fontAsset.characterTable.Count];
for (int i = 0; i < fontAsset.characterTable.Count; i++)
{
characters[i] = (int)fontAsset.characterTable[i].unicode;
}
return characters;
}
// ================================================================================
// Properties and functions related to character and glyph additions as well as
// tacking glyphs that need to be added to various font asset atlas textures.
// ================================================================================
/// <summary>
/// Determines if the font asset is already registered to be updated.
/// </summary>
//private bool m_IsAlreadyRegisteredForUpdate;
/// <summary>
/// List of glyphs that need to be added / packed in atlas texture.
/// </summary>
private List<Glyph> m_GlyphsToPack = new List<Glyph>();
/// <summary>
/// List of glyphs that have been packed in the atlas texture and ready to be rendered.
/// </summary>
private List<Glyph> m_GlyphsPacked = new List<Glyph>();
/// <summary>
///
/// </summary>
private List<Glyph> m_GlyphsToRender = new List<Glyph>();
/// <summary>
/// List used in the process of adding new glyphs to the atlas texture.
/// </summary>
private List<uint> m_GlyphIndexList = new List<uint>();
private List<TMP_Character> m_CharactersToAdd = new List<TMP_Character>();
/// <summary>
/// Internal static array used to avoid allocations when using the GetGlyphPairAdjustmentTable().
/// </summary>
internal static uint[] s_GlyphIndexArray = new uint[16];
/// <summary>
/// Internal static list used to track characters that could not be added to the font asset.
/// </summary>
internal static List<uint> s_MissingCharacterList = new List<uint>(16);
/// <summary>
/// Try adding the characters from the provided string to the font asset.
/// </summary>
/// <param name="unicodes">Array that contains the characters to add to the font asset.</param>
/// <returns>Returns true if all the characters were successfully added to the font asset. Return false otherwise.</returns>
public bool TryAddCharacters(uint[] unicodes)
{
return TryAddCharacters(unicodes, out uint[] missingUnicodes);
}
/// <summary>
/// Try adding the characters from the provided string to the font asset.
/// </summary>
/// <param name="unicodes">Array that contains the characters to add to the font asset.</param>
/// <param name="missingUnicodes">Array containing the characters that could not be added to the font asset.</param>
/// <returns>Returns true if all the characters were successfully added to the font asset. Return false otherwise.</returns>
public bool TryAddCharacters(uint[] unicodes, out uint[] missingUnicodes)
{
s_MissingCharacterList.Clear();
// Make sure font asset is set to dynamic and that we have a valid list of characters.
if (unicodes == null || unicodes.Length == 0 || m_AtlasPopulationMode == AtlasPopulationMode.Static)
{
if (m_AtlasPopulationMode == AtlasPopulationMode.Static)
Debug.LogWarning("Unable to add characters to font asset [" + this.name + "] because its AtlasPopulationMode is set to Static.", this);
else
{
Debug.LogWarning("Unable to add characters to font asset [" + this.name + "] because the provided Unicode list is Null or Empty.", this);
}
missingUnicodes = unicodes.ToArray();
return false;
}
Profiler.BeginSample("TMP.TryAddCharacter");
// Load font face.
if (FontEngine.LoadFontFace(m_SourceFontFile, m_FaceInfo.pointSize) != FontEngineError.Success)
{
Profiler.EndSample();
missingUnicodes = unicodes.ToArray();
return false;
}
// Clear data structures used to track which glyph needs to be added to atlas texture.
m_GlyphIndexList.Clear();
m_CharactersToAdd.Clear();
bool isMissingCharacters = false;
int unicodeCount = unicodes.Length;
for (int i = 0; i < unicodeCount; i++)
{
uint unicode = unicodes[i];
// Check if character is already contained in the character table.
if (m_CharacterLookupDictionary.ContainsKey(unicode))
continue;
// Get the index of the glyph for this unicode value.
uint glyphIndex = FontEngine.GetGlyphIndex(unicode);
if (glyphIndex == 0)
{
isMissingCharacters = true;
continue;
}
TMP_Character character = new TMP_Character(unicode, glyphIndex);
// Check if glyph is already contained in the font asset as the same glyph might be referenced by multiple characters.
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex))
{
character.glyph = m_GlyphLookupDictionary[glyphIndex];
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
continue;
}
m_GlyphIndexList.Add(glyphIndex);
m_CharactersToAdd.Add(character);
}
if (m_GlyphIndexList.Count == 0)
{
//Debug.LogWarning("No characters will be added to font asset [" + this.name + "] either because they are already present in the font asset or missing from the font file.");
Profiler.EndSample();
missingUnicodes = unicodes.ToArray();
return false;
}
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
//Debug.Log("Setting initial size of atlas texture used by font asset [" + this.name + "].");
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
bool allCharactersAdded = FontEngine.TryAddGlyphsToTexture(m_GlyphIndexList, m_AtlasPadding, GlyphPackingMode.BestShortSideFit, m_FreeGlyphRects, m_UsedGlyphRects, m_AtlasRenderMode, m_AtlasTextures[m_AtlasTextureIndex], out Glyph[] glyphs);
// Add new glyphs to relevant data structures.
for (int i = 0; i < glyphs.Length; i++)
{
Glyph glyph = glyphs[i];
uint glyphIndex = glyph.index;
// Add new glyph to glyph table.
m_GlyphTable.Add(glyph);
m_GlyphLookupDictionary.Add(glyphIndex, glyph);
}
// Add new characters to relevant data structures.
for (int i = 0; i < m_CharactersToAdd.Count; i++)
{
TMP_Character character = m_CharactersToAdd[i];
if (m_GlyphLookupDictionary.TryGetValue(character.glyphIndex, out Glyph glyph) == false)
{
s_MissingCharacterList.Add(character.unicode);
continue;
}
character.glyph = glyph;
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(character.unicode, character);
}
#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
#endif
Profiler.EndSample();
missingUnicodes = null;
if (s_MissingCharacterList.Count > 0)
missingUnicodes = s_MissingCharacterList.ToArray();
return allCharactersAdded && !isMissingCharacters;
}
/// <summary>
/// Try adding the characters from the provided string to the font asset.
/// </summary>
/// <param name="characters">String containing the characters to add to the font asset.</param>
/// <returns>Returns true if all the characters were successfully added to the font asset. Return false otherwise.</returns>
public bool TryAddCharacters(string characters)
{
return TryAddCharacters(characters, out string missingCharacters);
}
/// <summary>
/// Try adding the characters from the provided string to the font asset.
/// </summary>
/// <param name="characters">String containing the characters to add to the font asset.</param>
/// <param name="missingCharacters">String containing the characters that could not be added to the font asset.</param>
/// <returns>Returns true if all the characters were successfully added to the font asset. Return false otherwise.</returns>
public bool TryAddCharacters(string characters, out string missingCharacters)
{
// Make sure font asset is set to dynamic and that we have a valid list of characters.
if (string.IsNullOrEmpty(characters) || m_AtlasPopulationMode == AtlasPopulationMode.Static)
{
if (m_AtlasPopulationMode == AtlasPopulationMode.Static)
Debug.LogWarning("Unable to add characters to font asset [" + this.name + "] because its AtlasPopulationMode is set to Static.", this);
else
{
Debug.LogWarning("Unable to add characters to font asset [" + this.name + "] because the provided character list is Null or Empty.", this);
}
missingCharacters = characters;
return false;
}
// Load font face.
if (FontEngine.LoadFontFace(m_SourceFontFile, m_FaceInfo.pointSize) != FontEngineError.Success)
{
missingCharacters = characters;
return false;
}
// Clear data structures used to track which glyph needs to be added to atlas texture.
m_GlyphIndexList.Clear();
m_CharactersToAdd.Clear();
bool isMissingCharacters = false;
int characterCount = characters.Length;
// Iterate over each of the requested characters.
for (int i = 0; i < characterCount; i++)
{
uint unicode = characters[i];
// Check if character is already contained in the character table.
if (m_CharacterLookupDictionary.ContainsKey(unicode))
continue;
// Get the index of the glyph for this unicode value.
uint glyphIndex = FontEngine.GetGlyphIndex(unicode);
// Skip missing glyphs
if (glyphIndex == 0)
{
// Might want to keep track and report the missing characters.
isMissingCharacters = true;
continue;
}
TMP_Character character = new TMP_Character(unicode, glyphIndex);
// Check if glyph is already contained in the font asset as the same glyph might be referenced by multiple characters.
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex))
{
character.glyph = m_GlyphLookupDictionary[glyphIndex];
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
continue;
}
// Add glyph to list of glyphs to add and glyph lookup map.
m_GlyphIndexList.Add(glyphIndex);
m_CharactersToAdd.Add(character);
}
if (m_GlyphIndexList.Count == 0)
{
missingCharacters = characters;
return false;
}
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
//Debug.Log("Setting initial size of atlas texture used by font asset [" + this.name + "].");
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
bool allCharactersAdded = FontEngine.TryAddGlyphsToTexture(m_GlyphIndexList, m_AtlasPadding, GlyphPackingMode.BestShortSideFit, m_FreeGlyphRects, m_UsedGlyphRects, m_AtlasRenderMode, m_AtlasTextures[m_AtlasTextureIndex], out Glyph[] glyphs);
for (int i = 0; i < glyphs.Length; i++)
{
Glyph glyph = glyphs[i];
uint glyphIndex = glyph.index;
// Add new glyph to glyph table.
m_GlyphTable.Add(glyph);
m_GlyphLookupDictionary.Add(glyphIndex, glyph);
}
missingCharacters = string.Empty;
// Add new characters to relevant data structures.
for (int i = 0; i < m_CharactersToAdd.Count; i++)
{
TMP_Character character = m_CharactersToAdd[i];
if (m_GlyphLookupDictionary.TryGetValue(character.glyphIndex, out Glyph glyph) == false)
{
// TODO: Revise to avoid string concatenation.
missingCharacters += (char)character.unicode;
continue;
}
character.glyph = glyph;
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(character.unicode, character);
}
#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
#endif
return allCharactersAdded && !isMissingCharacters;
}
/// <summary>
/// NOT USED CURRENTLY - Try adding character using Unicode value to font asset.
/// </summary>
/// <param name="unicode">The Unicode value of the character.</param>
/// <param name="character">The character data if successfully added to the font asset. Null otherwise.</param>
/// <returns>Returns true if the character has been added. False otherwise.</returns>
internal bool TryAddCharacter_Internal(uint unicode)
{
TMP_Character character = null;
// Check if character is already contained in the character table.
if (m_CharacterLookupDictionary.ContainsKey(unicode))
return true;
uint glyphIndex = FontEngine.GetGlyphIndex(unicode);
if (glyphIndex == 0)
return false;
// Check if glyph is already contained in the font asset as the same glyph might be referenced by multiple characters.
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex))
{
character = new TMP_Character(unicode, m_GlyphLookupDictionary[glyphIndex]);
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
//#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
// OPTIMIZATION: This could be handled when exiting Play mode if we added any new characters to the asset.
// Could also add some update registry to handle this.
//SortGlyphTable();
//UnityEditor.EditorUtility.SetDirty(this);
//#endif
return true;
}
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
//Debug.Log("Setting initial size of atlas texture used by font asset [" + this.name + "].");
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
if (FontEngine.TryAddGlyphToTexture(glyphIndex, m_AtlasPadding, GlyphPackingMode.BestShortSideFit, m_FreeGlyphRects, m_UsedGlyphRects, m_AtlasRenderMode, m_AtlasTextures[m_AtlasTextureIndex], out Glyph glyph))
{
// Add new glyph to glyph table.
m_GlyphTable.Add(glyph);
m_GlyphLookupDictionary.Add(glyphIndex, glyph);
// Add new character
character = new TMP_Character(unicode, glyph);
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
//#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
// OPTIMIZATION: This could be handled when exiting Play mode if we added any new characters to the asset.
// Could also add some update registry to handle this.
//SortGlyphTable();
//UnityEditor.EditorUtility.SetDirty(this);
//#endif
return true;
}
return false;
}
/// <summary>
/// To be removed.
/// </summary>
/// <param name="unicode"></param>
/// <param name="glyph"></param>
internal TMP_Character AddCharacter_Internal(uint unicode, Glyph glyph)
{
// Check if character is already contained in the character table.
if (m_CharacterLookupDictionary.ContainsKey(unicode))
return m_CharacterLookupDictionary[unicode];
uint glyphIndex = glyph.index;
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
//Debug.Log("Setting initial size of atlas texture used by font asset [" + this.name + "].");
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
// Check if glyph is already contained in the glyph table.
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex) == false)
{
if (glyph.glyphRect.width == 0 || glyph.glyphRect.width == 0)
{
// Glyphs with zero width and / or height can be automatically added to font asset.
m_GlyphTable.Add(glyph);
}
else
{
// Try packing new glyph
if (FontEngine.TryPackGlyphInAtlas(glyph, m_AtlasPadding, GlyphPackingMode.ContactPointRule, m_AtlasRenderMode, m_AtlasWidth, m_AtlasHeight, m_FreeGlyphRects, m_UsedGlyphRects) == false)
{
// TODO: Add handling to create new atlas texture to fit glyph.
return null;
}
m_GlyphsToRender.Add(glyph);
}
}
// Add character to font asset.
TMP_Character character = new TMP_Character(unicode, glyph);
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
//Debug.Log("Adding character [" + (char)unicode + "] with Unicode (" + unicode + ") to [" + this.name + "] font asset.");
// Schedule glyph to be added to the font atlas texture
//TM_FontAssetUpdateManager.RegisterFontAssetForUpdate(this);
UpdateAtlasTexture(); // Temporary until callback system is revised.
//#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
// OPTIMIZATION: This could be handled when exiting Play mode if we added any new characters to the asset.
// Could also add some update registry to handle this.
//SortGlyphTable();
//UnityEditor.EditorUtility.SetDirty(this);
//#endif
return character;
}
/// <summary>
/// Try adding character using Unicode value to font asset.
/// Function assumes internal user has already checked to make sure the character is not already contained in the font asset.
/// </summary>
/// <param name="unicode">The Unicode value of the character.</param>
/// <param name="character">The character data if successfully added to the font asset. Null otherwise.</param>
/// <returns>Returns true if the character has been added. False otherwise.</returns>
internal bool TryAddCharacterInternal(uint unicode, out TMP_Character character)
{
character = null;
// Load font face.
if (FontEngine.LoadFontFace(sourceFontFile, m_FaceInfo.pointSize) != FontEngineError.Success)
return false;
uint glyphIndex = FontEngine.GetGlyphIndex(unicode);
if (glyphIndex == 0)
return false;
Profiler.BeginSample("TMP.TryAddCharacter");
// Check if glyph is already contained in the font asset as the same glyph might be referenced by multiple characters.
if (m_GlyphLookupDictionary.ContainsKey(glyphIndex))
{
character = new TMP_Character(unicode, m_GlyphLookupDictionary[glyphIndex]);
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
if (TMP_Settings.getFontFeaturesAtRuntime)
UpdateGlyphAdjustmentRecords(unicode, glyphIndex);
#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
// OPTIMIZATION: This could be handled when exiting Play mode if we added any new characters to the asset.
// Could also add some update registry to handle this.
//SortGlyphTable();
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
#endif
Profiler.EndSample();
return true;
}
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
// TODO: Need texture to be readable.
if (m_AtlasTextures[m_AtlasTextureIndex].isReadable == false)
{
Debug.LogWarning("Unable to add the requested character to font asset [" + this.name + "]'s atlas texture. Please make the texture [" + m_AtlasTextures[m_AtlasTextureIndex].name + "] readable.", m_AtlasTextures[m_AtlasTextureIndex]);
Profiler.EndSample();
return false;
}
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
if (FontEngine.TryAddGlyphToTexture(glyphIndex, m_AtlasPadding, GlyphPackingMode.BestShortSideFit, m_FreeGlyphRects, m_UsedGlyphRects, m_AtlasRenderMode, m_AtlasTextures[m_AtlasTextureIndex], out Glyph glyph))
{
// Add new glyph to glyph table.
m_GlyphTable.Add(glyph);
m_GlyphLookupDictionary.Add(glyphIndex, glyph);
// Add new character
character = new TMP_Character(unicode, glyph);
m_CharacterTable.Add(character);
m_CharacterLookupDictionary.Add(unicode, character);
m_GlyphIndexList.Add(glyphIndex);
if (TMP_Settings.getFontFeaturesAtRuntime)
UpdateGlyphAdjustmentRecords(unicode, glyphIndex);
#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
// OPTIMIZATION: This could be handled when exiting Play mode if we added any new characters to the asset.
// Could also add some update registry to handle this.
//SortGlyphTable();
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
#endif
Profiler.EndSample();
return true;
}
Profiler.EndSample();
return false;
}
/// <summary>
/// Internal function used to get the glyph index for the given unicode.
/// </summary>
/// <param name="unicode"></param>
/// <returns></returns>
internal uint GetGlyphIndex(uint unicode)
{
// Load font face.
if (FontEngine.LoadFontFace(sourceFontFile, m_FaceInfo.pointSize) != FontEngineError.Success)
return 0;
return FontEngine.GetGlyphIndex(unicode);
}
internal void UpdateAtlasTexture()
{
// Return if we don't have any glyphs to add to atlas texture.
// This is possible if UpdateAtlasTexture() was called manually.
//if (m_GlyphsToPack.Count == 0)
// return;
if (m_GlyphsToRender.Count == 0)
return;
//Debug.Log("Updating [" + this.name + "]'s atlas texture.");
// Pack glyphs in the given atlas texture size.
// TODO: Packing and glyph render modes should be defined in the font asset.
//FontEngine.PackGlyphsInAtlas(m_GlyphsToPack, m_GlyphsPacked, m_AtlasPadding, GlyphPackingMode.ContactPointRule, GlyphRenderMode.SDFAA, m_AtlasWidth, m_AtlasHeight, m_FreeGlyphRects, m_UsedGlyphRects);
//FontEngine.RenderGlyphsToTexture(m_GlyphsPacked, m_AtlasPadding, GlyphRenderMode.SDFAA, m_AtlasTextures[m_AtlasTextureIndex]);
// Resize the Atlas Texture to the appropriate size
if (m_AtlasTextures[m_AtlasTextureIndex].width == 0 || m_AtlasTextures[m_AtlasTextureIndex].height == 0)
{
//Debug.Log("Setting initial size of atlas texture used by font asset [" + this.name + "].");
m_AtlasTextures[m_AtlasTextureIndex].Resize(m_AtlasWidth, m_AtlasHeight);
FontEngine.ResetAtlasTexture(m_AtlasTextures[m_AtlasTextureIndex]);
}
FontEngine.RenderGlyphsToTexture(m_GlyphsToRender, m_AtlasPadding, m_AtlasRenderMode, m_AtlasTextures[m_AtlasTextureIndex]);
// Apply changes to atlas texture
m_AtlasTextures[m_AtlasTextureIndex].Apply(false, false);
// Add glyphs that were successfully packed to the glyph table.
for (int i = 0; i < m_GlyphsToRender.Count /* m_GlyphsPacked.Count */; i++)
{
Glyph glyph = m_GlyphsToRender[i]; // m_GlyphsPacked[i];
// Update atlas texture index
glyph.atlasIndex = m_AtlasTextureIndex;
m_GlyphTable.Add(glyph);
m_GlyphLookupDictionary.Add(glyph.index, glyph);
}
// Clear list of glyphs
m_GlyphsPacked.Clear();
m_GlyphsToRender.Clear();
// Add any remaining glyphs into new atlas texture if multi texture support if enabled.
if (m_GlyphsToPack.Count > 0)
{
/*
// Create new atlas texture
Texture2D tex = new Texture2D(m_AtlasWidth, m_AtlasHeight, TextureFormat.Alpha8, false, true);
tex.SetPixels32(new Color32[m_AtlasWidth * m_AtlasHeight]);
tex.Apply();
m_AtlasTextureIndex++;
if (m_AtlasTextures.Length == m_AtlasTextureIndex)
Array.Resize(ref m_AtlasTextures, Mathf.NextPowerOfTwo(m_AtlasTextureIndex + 1));
m_AtlasTextures[m_AtlasTextureIndex] = tex;
*/
}
#if UNITY_EDITOR
// Makes the changes to the font asset persistent.
SortGlyphAndCharacterTables();
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
#endif
}
internal void UpdateGlyphAdjustmentRecords(uint unicode, uint glyphIndex)
{
Profiler.BeginSample("TMP.UpdateGlyphAdjustmentRecords");
int glyphCount = m_GlyphIndexList.Count;
if (s_GlyphIndexArray.Length <= glyphCount)
s_GlyphIndexArray = new uint[Mathf.NextPowerOfTwo(glyphCount + 1)];
for (int i = 0; i < glyphCount; i++)
s_GlyphIndexArray[i] = m_GlyphIndexList[i];
// Clear unused array elements
Array.Clear(s_GlyphIndexArray, glyphCount, s_GlyphIndexArray.Length - glyphCount);
// Get glyph pair adjustment records from font file.
// TODO: Revise FontEngine bindings to use a more efficient function where only the new glyph index is passed.
GlyphPairAdjustmentRecord[] pairAdjustmentRecords = FontEngine.GetGlyphPairAdjustmentTable(s_GlyphIndexArray);
if (pairAdjustmentRecords == null || pairAdjustmentRecords.Length == 0)
{
Profiler.EndSample();
return;
}
if (m_FontFeatureTable == null)
m_FontFeatureTable = new TMP_FontFeatureTable();
for (int i = 0; i < pairAdjustmentRecords.Length && pairAdjustmentRecords[i].firstAdjustmentRecord.glyphIndex != 0; i++)
{
long pairKey = (long)pairAdjustmentRecords[i].secondAdjustmentRecord.glyphIndex << 32 | pairAdjustmentRecords[i].firstAdjustmentRecord.glyphIndex;
// Check if table already contains a pair adjustment record for this key.
if (m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary.ContainsKey(pairKey))
continue;
TMP_GlyphPairAdjustmentRecord record = new TMP_GlyphPairAdjustmentRecord(pairAdjustmentRecords[i]);
m_FontFeatureTable.m_GlyphPairAdjustmentRecords.Add(record);
m_FontFeatureTable.m_GlyphPairAdjustmentRecordLookupDictionary.Add(pairKey, record);
}
#if UNITY_EDITOR
m_FontFeatureTable.SortGlyphPairAdjustmentRecords();
#endif
Profiler.EndSample();
}
/// <summary>
/// Clears font asset data including the glyph and character tables and textures.
/// Function might be changed to Internal and only used in tests.
/// </summary>
/// <param name="setAtlasSizeToZero">Will set the atlas texture size to zero width and height if true.</param>
public void ClearFontAssetData(bool setAtlasSizeToZero = false)
{
#if UNITY_EDITOR
// Record full object undo in the Editor.
//UnityEditor.Undo.RecordObjects(new UnityEngine.Object[] { this, this.atlasTexture }, "Resetting Font Asset");
#endif
// Clear glyph and character tables
if (m_GlyphTable != null)
m_GlyphTable.Clear();
if (m_CharacterTable != null)
m_CharacterTable.Clear();
// Clear glyph rectangles
if (m_UsedGlyphRects != null)
m_UsedGlyphRects.Clear();
if (m_FreeGlyphRects != null)
{
int packingModifier = ((GlyphRasterModes)m_AtlasRenderMode & GlyphRasterModes.RASTER_MODE_BITMAP) == GlyphRasterModes.RASTER_MODE_BITMAP ? 0 : 1;
m_FreeGlyphRects = new List<GlyphRect>() { new GlyphRect(0, 0, m_AtlasWidth - packingModifier, m_AtlasHeight - packingModifier) };
}
if (m_GlyphsToPack != null)
m_GlyphsToPack.Clear();
if (m_GlyphsPacked != null)
m_GlyphsPacked.Clear();
// Clear Glyph Adjustment Table
if (m_FontFeatureTable != null && m_FontFeatureTable.m_GlyphPairAdjustmentRecords != null)
m_FontFeatureTable.glyphPairAdjustmentRecords.Clear();
m_AtlasTextureIndex = 0;
// Clear atlas textures
if (m_AtlasTextures != null)
{
for (int i = 0; i < m_AtlasTextures.Length; i++)
{
Texture2D texture = m_AtlasTextures[i];
if (i > 0)
DestroyImmediate(texture, true);
if (texture == null)
continue;
// TODO: Need texture to be readable.
if (m_AtlasTextures[i].isReadable == false)
{
Debug.LogWarning("Unable to reset font asset [" + this.name + "]'s atlas texture. Please make the texture [" + m_AtlasTextures[i].name + "] readable.", m_AtlasTextures[i]);
continue;
}
if (setAtlasSizeToZero)
{
texture.Resize(0, 0, TextureFormat.Alpha8, false);
}
else if (texture.width != m_AtlasWidth || texture.height != m_AtlasHeight)
{
texture.Resize(m_AtlasWidth, m_AtlasHeight, TextureFormat.Alpha8, false);
}
// Clear texture atlas
FontEngine.ResetAtlasTexture(texture);
texture.Apply();
if (i == 0)
m_AtlasTexture = texture;
m_AtlasTextures[i] = texture;
}
}
#if UNITY_EDITOR
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForReimport(this);
}
#endif
ReadFontAssetDefinition();
}
/// <summary>
/// Internal method used to upgrade font asset to support Dynamic SDF.
/// </summary>
private void UpgradeFontAsset()
{
m_Version = "1.1.0";
Debug.Log("Upgrading font asset [" + this.name + "] to version " + m_Version + ".", this);
m_FaceInfo.familyName = m_fontInfo.Name;
m_FaceInfo.styleName = string.Empty;
m_FaceInfo.pointSize = (int)m_fontInfo.PointSize;
m_FaceInfo.scale = m_fontInfo.Scale;
m_FaceInfo.lineHeight = m_fontInfo.LineHeight;
m_FaceInfo.ascentLine = m_fontInfo.Ascender;
m_FaceInfo.capLine = m_fontInfo.CapHeight;
m_FaceInfo.meanLine = m_fontInfo.CenterLine;
m_FaceInfo.baseline = m_fontInfo.Baseline;
m_FaceInfo.descentLine = m_fontInfo.Descender;
m_FaceInfo.superscriptOffset = m_fontInfo.SuperscriptOffset;
m_FaceInfo.superscriptSize = m_fontInfo.SubSize;
m_FaceInfo.subscriptOffset = m_fontInfo.SubscriptOffset;
m_FaceInfo.subscriptSize = m_fontInfo.SubSize;
m_FaceInfo.underlineOffset = m_fontInfo.Underline;
m_FaceInfo.underlineThickness = m_fontInfo.UnderlineThickness;
m_FaceInfo.strikethroughOffset = m_fontInfo.strikethrough;
m_FaceInfo.strikethroughThickness = m_fontInfo.strikethroughThickness;
m_FaceInfo.tabWidth = m_fontInfo.TabWidth;
if (m_AtlasTextures == null || m_AtlasTextures.Length == 0)
m_AtlasTextures = new Texture2D[1];
m_AtlasTextures[0] = atlas;
//atlas = null;
m_AtlasWidth = (int)m_fontInfo.AtlasWidth;
m_AtlasHeight = (int)m_fontInfo.AtlasHeight;
m_AtlasPadding = (int)m_fontInfo.Padding;
switch(m_CreationSettings.renderMode)
{
case 0:
m_AtlasRenderMode = GlyphRenderMode.SMOOTH_HINTED;
break;
case 1:
m_AtlasRenderMode = GlyphRenderMode.SMOOTH;
break;
case 2:
m_AtlasRenderMode = GlyphRenderMode.RASTER_HINTED;
break;
case 3:
m_AtlasRenderMode = GlyphRenderMode.RASTER;
break;
case 6:
m_AtlasRenderMode = GlyphRenderMode.SDF16;
break;
case 7:
m_AtlasRenderMode = GlyphRenderMode.SDF32;
break;
}
//m_fontInfo = null;
// Convert font weight table
if (fontWeights != null)
{
m_FontWeightTable[4] = fontWeights[4];
m_FontWeightTable[7] = fontWeights[7];
// Clear old fontWeight
//fontWeights = null;
}
// Convert font fallbacks
if (fallbackFontAssets != null && fallbackFontAssets.Count > 0)
{
if (m_FallbackFontAssetTable == null)
m_FallbackFontAssetTable = new List<TMP_FontAsset>(fallbackFontAssets.Count);
for (int i = 0; i < fallbackFontAssets.Count; i++)
m_FallbackFontAssetTable.Add(fallbackFontAssets[i]);
// Clear old fallbackFontAssets list
//fallbackFontAssets = null;
}
// Check if font asset creation settings contains a reference to the source font file GUID
if (m_CreationSettings.sourceFontFileGUID != null || m_CreationSettings.sourceFontFileGUID != string.Empty)
{
m_SourceFontFileGUID = m_CreationSettings.sourceFontFileGUID;
}
else
{
Debug.LogWarning("Font asset [" + this.name + "] doesn't have a reference to its source font file. Please assign the appropriate source font file for this asset in the Font Atlas & Material section of font asset inspector.", this);
}
// Convert legacy glyph and character tables to new format
m_GlyphTable.Clear();
m_CharacterTable.Clear();
//#if UNITY_EDITOR
// TODO: This is causing a crash in Unity and related to AssetDatabase.LoadAssetAtPath and Resources.Load()
// Load font to allow us to get the glyph index.
//string path = UnityEditor.AssetDatabase.GUIDToAssetPath(m_SourceFontFileGUID);
//if (path != string.Empty)
//{
//m_SourceFontFile_EditorRef = UnityEditor.AssetDatabase.LoadAssetAtPath<Font>(path);
//FontEngine.LoadFontFace(m_SourceFontFile_EditorRef);
//}
//#endif
bool isSpaceCharacterPresent = false;
for (int i = 0; i < m_glyphInfoList.Count; i++)
{
TMP_Glyph oldGlyph = m_glyphInfoList[i];
Glyph glyph = new Glyph();
uint glyphIndex = (uint)i + 1;
//#if UNITY_EDITOR
//if (m_SourceFontFile_EditorRef != null)
// glyphIndex = FontEngine.GetGlyphIndex((uint)oldGlyph.id);
//#endif
glyph.index = glyphIndex;
glyph.glyphRect = new GlyphRect((int)oldGlyph.x, m_AtlasHeight - (int)(oldGlyph.y + oldGlyph.height + 0.5f), (int)(oldGlyph.width + 0.5f), (int)(oldGlyph.height + 0.5f));
glyph.metrics = new GlyphMetrics(oldGlyph.width, oldGlyph.height, oldGlyph.xOffset, oldGlyph.yOffset, oldGlyph.xAdvance);
glyph.scale = oldGlyph.scale;
glyph.atlasIndex = 0;
m_GlyphTable.Add(glyph);
TMP_Character character = new TMP_Character((uint)oldGlyph.id, glyph);
if (oldGlyph.id == 32)
isSpaceCharacterPresent = true;
m_CharacterTable.Add(character);
}
// Special handling for the synthesized space character
if (!isSpaceCharacterPresent)
{
Debug.Log("Synthesizing Space for [" + this.name + "]");
Glyph glyph = new Glyph(0, new GlyphMetrics(0, 0, 0, 0, m_FaceInfo.ascentLine / 5), GlyphRect.zero, 1.0f, 0);
m_GlyphTable.Add(glyph);
m_CharacterTable.Add(new TMP_Character(32, glyph));
}
// Clear legacy glyph info list.
//m_glyphInfoList.Clear();
ReadFontAssetDefinition();
// Convert atlas textures data to new format
// TODO
#if UNITY_EDITOR
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
#endif
}
/// <summary>
///
/// </summary>
void UpgradeGlyphAdjustmentTableToFontFeatureTable()
{
Debug.Log("Upgrading font asset [" + this.name + "] Glyph Adjustment Table.", this);
if (m_FontFeatureTable == null)
m_FontFeatureTable = new TMP_FontFeatureTable();
int pairCount = m_KerningTable.kerningPairs.Count;
m_FontFeatureTable.m_GlyphPairAdjustmentRecords = new List<TMP_GlyphPairAdjustmentRecord>(pairCount);
for (int i = 0; i < pairCount; i++)
{
KerningPair pair = m_KerningTable.kerningPairs[i];
uint firstGlyphIndex = 0;
if (m_CharacterLookupDictionary.TryGetValue(pair.firstGlyph, out TMP_Character firstCharacter))
firstGlyphIndex = firstCharacter.glyphIndex;
uint secondGlyphIndex = 0;
if (m_CharacterLookupDictionary.TryGetValue(pair.secondGlyph, out TMP_Character secondCharacter))
secondGlyphIndex = secondCharacter.glyphIndex;
TMP_GlyphAdjustmentRecord firstAdjustmentRecord = new TMP_GlyphAdjustmentRecord(firstGlyphIndex, new TMP_GlyphValueRecord(pair.firstGlyphAdjustments.xPlacement, pair.firstGlyphAdjustments.yPlacement, pair.firstGlyphAdjustments.xAdvance, pair.firstGlyphAdjustments.yAdvance));
TMP_GlyphAdjustmentRecord secondAdjustmentRecord = new TMP_GlyphAdjustmentRecord(secondGlyphIndex, new TMP_GlyphValueRecord(pair.secondGlyphAdjustments.xPlacement, pair.secondGlyphAdjustments.yPlacement, pair.secondGlyphAdjustments.xAdvance, pair.secondGlyphAdjustments.yAdvance));
TMP_GlyphPairAdjustmentRecord record = new TMP_GlyphPairAdjustmentRecord(firstAdjustmentRecord, secondAdjustmentRecord);
m_FontFeatureTable.m_GlyphPairAdjustmentRecords.Add(record);
}
// TODO: Should clear legacy kerning table.
m_KerningTable.kerningPairs = null;
m_KerningTable = null;
#if UNITY_EDITOR
if (UnityEditor.EditorUtility.IsPersistent(this))
{
TMP_EditorResourceManager.RegisterResourceForUpdate(this);
}
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