private static TMP_FontAsset SearchForGlyphInternal(TMP_FontAsset font, int character, out TMP_Glyph glyph)
{
glyph = null;
if (font == null)
{
return(null);
}
if (font.characterDictionary.TryGetValue(character, out glyph))
{
return(font);
}
if (font.fallbackFontAssets != null && font.fallbackFontAssets.Count > 0)
{
int num = 0;
while (num < font.fallbackFontAssets.Count && glyph == null)
{
TMP_FontAsset tmp_FontAsset = font.fallbackFontAssets[num];
if (!(tmp_FontAsset == null))
{
int instanceID = tmp_FontAsset.GetInstanceID();
if (!TMP_FontUtilities.k_searchedFontAssets.Contains(instanceID))
{
TMP_FontUtilities.k_searchedFontAssets.Add(instanceID);
tmp_FontAsset = TMP_FontUtilities.SearchForGlyphInternal(tmp_FontAsset, character, out glyph);
if (tmp_FontAsset != null)
{
return(tmp_FontAsset);
}
}
}
num++;
}
}
return(null);
}
private static TMP_FontAsset SearchForGlyphInternal(TMP_FontAsset font, int character, out TMP_Glyph glyph)
{
glyph = null;
if (font == null)
{
return(null);
}
if (font.characterDictionary.TryGetValue(character, out glyph))
{
return(font);
}
if (font.fallbackFontAssets != null && font.fallbackFontAssets.Count > 0)
{
for (int i = 0; i < font.fallbackFontAssets.Count; i++)
{
if (glyph != null)
{
break;
}
TMP_FontAsset tMP_FontAsset = font.fallbackFontAssets[i];
int instanceID = tMP_FontAsset.GetInstanceID();
if (!(tMP_FontAsset == null) && !k_searchedFontAssets.Contains(instanceID))
{
k_searchedFontAssets.Add(instanceID);
tMP_FontAsset = SearchForGlyphInternal(tMP_FontAsset, character, out glyph);
if (tMP_FontAsset != null)
{
return(tMP_FontAsset);
}
}
}
}
return(null);
}
private void ON_FONT_PROPERTY_CHANGED(bool isChanged, TMP_FontAsset font)
{
if (font.GetInstanceID() == m_fontAsset.GetInstanceID() && m_fallbackMaterial != null)
{
m_fallbackMaterial.SetFloat(ShaderUtilities.ID_WeightNormal, m_fontAsset.normalStyle);
m_fallbackMaterial.SetFloat(ShaderUtilities.ID_WeightBold, m_fontAsset.boldStyle);
}
}
/// <summary>
/// Function to check if a certain font asset is contained in the material reference array.
/// </summary>
/// <param name="materialReferences"></param>
/// <param name="fontAsset"></param>
/// <returns></returns>
public static bool Contains(MaterialReference[] materialReferences, TMP_FontAsset fontAsset)
{
int id = fontAsset.GetInstanceID();
for (int i = 0; i < materialReferences.Length && materialReferences[i].fontAsset != null; i++)
{
if (materialReferences[i].fontAsset.GetInstanceID() == id)
return true;
}
return false;
}
private void InternalRegisterFontAssetForDefinitionRefresh(TMP_FontAsset fontAsset)
{
int id = fontAsset.GetInstanceID();
if (m_FontAssetDefinitionRefreshQueueLookup.Contains(id))
{
return;
}
m_FontAssetDefinitionRefreshQueueLookup.Add(id);
m_FontAssetDefinitionRefreshQueue.Add(fontAsset);
}
// Event received when font asset properties are changed in Font Inspector
void ON_FONT_PROPERTY_CHANGED(bool isChanged, TMP_FontAsset font)
{
if (m_fontAsset != null && font.GetInstanceID() == m_fontAsset.GetInstanceID())
{
// Copy Normal and Bold Weight
if (m_fallbackMaterial != null)
{
if (TMP_Settings.matchMaterialPreset)
{
TMP_MaterialManager.ReleaseFallbackMaterial(m_fallbackMaterial);
TMP_MaterialManager.CleanupFallbackMaterials();
}
}
}
}
public static bool Contains(MaterialReference[] materialReferences, TMP_FontAsset fontAsset)
{
int instanceID = fontAsset.GetInstanceID();
int num = 0;
while (num < materialReferences.Length && materialReferences[num].fontAsset != null)
{
if (materialReferences[num].fontAsset.GetInstanceID() == instanceID)
{
return(true);
}
num++;
}
return(false);
}
private static TMP_FontAsset SearchForGlyphInternal(TMP_FontAsset font, int character, out TMP_Glyph glyph)
{
glyph = null;
if (font == null)
{
return(null);
}
if (font.characterDictionary.TryGetValue(character, out glyph))
{
return(font);
}
else if (font.fallbackFontAssets != null && font.fallbackFontAssets.Count > 0)
{
for (int i = 0; i < font.fallbackFontAssets.Count && glyph == null; i++)
{
TMP_FontAsset temp = font.fallbackFontAssets[i];
if (temp == null)
{
continue;
}
int id = temp.GetInstanceID();
// Skip over the fallback font asset in the event it is null or if already searched.
if (k_searchedFontAssets.Contains(id))
{
continue;
}
// Add to list of font assets already searched.
k_searchedFontAssets.Add(id);
temp = SearchForGlyphInternal(temp, character, out glyph);
if (temp != null)
{
return(temp);
}
}
}
return(null);
}
private static TMP_FontAsset SearchForCharacterInternal(TMP_FontAsset font, uint unicode, out TMP_Character character)
{
character = null;
if (font == null)
{
return(null);
}
if (font.characterLookupTable.TryGetValue(unicode, out character))
{
return(font);
}
else if (font.fallbackFontAssetTable != null && font.fallbackFontAssetTable.Count > 0)
{
for (int i = 0; i < font.fallbackFontAssetTable.Count && character == null; i++)
{
TMP_FontAsset temp = font.fallbackFontAssetTable[i];
if (temp == null)
{
continue;
}
int id = temp.GetInstanceID();
// Skip over the fallback font asset in the event it is null or if already searched.
if (k_searchedFontAssets.Contains(id))
{
continue;
}
// Add to list of font assets already searched.
k_searchedFontAssets.Add(id);
temp = SearchForCharacterInternal(temp, unicode, out character);
if (temp != null)
{
return(temp);
}
}
}
return(null);
}
/// <summary>
/// Internal function returning the text element character for the given unicode value taking into consideration the font style and weight.
/// Function searches the source font asset, list of font assets assigned as alternative typefaces and list of fallback font assets.
/// </summary>
private static TMP_Character GetCharacterFromFontAsset_Internal(uint unicode, TMP_FontAsset sourceFontAsset, bool includeFallbacks, FontStyles fontStyle, FontWeight fontWeight, out bool isAlternativeTypeface, out TMP_FontAsset fontAsset)
{
fontAsset = null;
isAlternativeTypeface = false;
TMP_Character characterData = null;
#region FONT WEIGHT AND FONT STYLE HANDLING
// Determine if a font weight or style is used. If so check if an alternative typeface is assigned for the given weight and / or style.
bool isItalic = (fontStyle & FontStyles.Italic) == FontStyles.Italic;
if (isItalic || fontWeight != FontWeight.Regular)
{
// Get reference to the font weight pairs of the given font asset.
TMP_FontWeightPair[] fontWeights = sourceFontAsset.fontWeightTable;
int fontWeightIndex = 4;
switch (fontWeight)
{
case FontWeight.Thin:
fontWeightIndex = 1;
break;
case FontWeight.ExtraLight:
fontWeightIndex = 2;
break;
case FontWeight.Light:
fontWeightIndex = 3;
break;
case FontWeight.Regular:
fontWeightIndex = 4;
break;
case FontWeight.Medium:
fontWeightIndex = 5;
break;
case FontWeight.SemiBold:
fontWeightIndex = 6;
break;
case FontWeight.Bold:
fontWeightIndex = 7;
break;
case FontWeight.Heavy:
fontWeightIndex = 8;
break;
case FontWeight.Black:
fontWeightIndex = 9;
break;
}
fontAsset = isItalic ? fontWeights[fontWeightIndex].italicTypeface : fontWeights[fontWeightIndex].regularTypeface;
if (fontAsset != null)
{
if (fontAsset.characterLookupTable.TryGetValue(unicode, out characterData))
{
isAlternativeTypeface = true;
return(characterData);
}
else if (fontAsset.atlasPopulationMode == AtlasPopulationMode.Dynamic)
{
if (fontAsset.TryAddCharacterInternal(unicode, out characterData))
{
isAlternativeTypeface = true;
return(characterData);
}
// Check if the source font file contains the requested character.
//if (TryGetCharacterFromFontFile(unicode, fontAsset, out characterData))
//{
// isAlternativeTypeface = true;
// return characterData;
//}
// If we find the requested character, we add it to the font asset character table
// and return its character data.
// We also add this character to the list of characters we will need to add to the font atlas.
// We assume the font atlas has room otherwise this font asset should not be marked as dynamic.
// Alternatively, we could also add multiple pages of font atlas textures (feature consideration).
}
// At this point, we were not able to find the requested character in the alternative typeface
// so we check the source font asset and its potential fallbacks.
}
}
#endregion
// Search the source font asset for the requested character.
if (sourceFontAsset.characterLookupTable.TryGetValue(unicode, out characterData))
{
// We were able to locate the requested character in the given font asset.
fontAsset = sourceFontAsset;
return(characterData);
}
else if (sourceFontAsset.atlasPopulationMode == AtlasPopulationMode.Dynamic)
{
if (sourceFontAsset.TryAddCharacterInternal(unicode, out characterData))
{
fontAsset = sourceFontAsset;
return(characterData);
}
//// Check if the source font file contains the requested character.
//if (TryGetCharacterFromFontFile(unicode, sourceFontAsset, out characterData))
//{
// fontAsset = sourceFontAsset;
// //fontAsset.AddCharacterToRasterList(unicode);
// return characterData;
//}
// If we find the requested character, we add it to the font asset character table
// and return its character data.
// We also add this character to the list of characters we will need to add to the font atlas.
// We assume the font atlas has room otherwise this font asset should not be marked as dynamic.
// Alternatively, we could also add multiple pages of font atlas textures (feature consideration)
}
// Search fallback font assets if we still don't have a valid character and include fallback is set to true.
if (characterData == null && includeFallbacks && sourceFontAsset.fallbackFontAssetTable != null)
{
// Get reference to the list of fallback font assets.
List <TMP_FontAsset> fallbackFontAssets = sourceFontAsset.fallbackFontAssetTable;
int fallbackCount = fallbackFontAssets.Count;
if (fallbackFontAssets != null && fallbackCount > 0)
{
for (int i = 0; i < fallbackCount && characterData == null; i++)
{
TMP_FontAsset temp = fallbackFontAssets[i];
if (temp == null)
{
continue;
}
int id = temp.GetInstanceID();
// Skip over the fallback font asset in the event it is null or if already searched.
if (k_SearchedFontAssets.Contains(id))
{
continue;
}
// Add to list of font assets already searched.
k_SearchedFontAssets.Add(id);
characterData = GetCharacterFromFontAsset_Internal(unicode, temp, includeFallbacks, fontStyle, fontWeight, out isAlternativeTypeface, out fontAsset);
if (characterData != null)
{
return(characterData);
}
}
}
}
return(null);
}
/// <summary>
/// Function to check if a certain font asset is contained in the material reference array.
/// </summary>
/// <param name="materialReferences"></param>
/// <param name="fontAsset"></param>
/// <returns></returns>
public static bool Contains(MaterialReference[] materialReferences, TMP_FontAsset fontAsset)
{
int id = fontAsset.GetInstanceID();
for (int i = 0; i < materialReferences.Length && materialReferences[i].fontAsset != null; i++)
{
if (materialReferences[i].fontAsset.GetInstanceID() == id)
return true;
}
return false;
}
