void FillPart(InlineText text, string context, int start, int end, ref ParseTextResult result)
{
string substr = context.Substring(start, end - start + 1);
//生成字符 拿到字符大小
Vector2 extents = text.rectTransform.rect.size;
var settings = text.GetGenerationSettings(extents);
text.cachedTextGenerator.PopulateWithErrors(substr, settings, text.gameObject);
//最后4个点是空行
var charlist = text.cachedTextGenerator.characters;
//插入点之后文字所占用的宽度
for (int i = 0; i < text.cachedTextGenerator.characterCountVisible; i++)
{
var chardata = charlist[i];
result.GetPartSize().Add(chardata.charWidth);
}
if (text.Manager != null && text.Manager.OpenDebug)
{
#if UNITY_EDITOR
Debug.LogFormat("{0} point ={1}", substr, start);
#endif
}
}
public int DoStep(ref TextCotext context, EmojiEvent uievent)
{
if (uievent == EmojiEvent.PreRender)
{
int errcode = 0;
foreach (var target in context.RebuildTexts)
{
if (target == null)
{
continue;
}
string text = target.text;
if (text.Length > 16381) //65535/4-1
{
errcode = (int)EmojiErrorCode.TooMuchChars;
continue;
}
ParseTextResult result = new ParseTextResult();
int index = context.AllTexts.IndexOf(target);
if (index != -1)
{
result = context.Results[index].ParseGroup.TextResult;
result.Clear();
}
if (_sb == null)
{
_sb = new StringBuilder();
}
_sb.Capacity = text.Length;
int textstart = -1;
int start = 0;
int flag = 0;
for (int i = 0; i < text.Length; i++)
{
char subchar = text[i];
if (subchar == ParsetLeft)
{
if (flag == 0)
{
start = i;
result.GetPoints().Add(_sb.Length);
}
flag++;
}
else if (subchar == ParsetRight)
{
flag--;
if (flag == 0)
{
string substr = text.Substring(start, i - start + 1);
result.GetElements().Add(substr);
//
textstart = -1;
}
}
else if (flag == 0)//正常显示内容
{
if (textstart < 0)
{
textstart = i;
}
_sb.Append(subchar);
}
}
if (flag > 0)
{
string substr = text.Substring(start);
_sb.Append(substr);
}
result.FormatString = _sb.ToString();
FillPart(target, result.FormatString, 0, result.FormatString.Length - 1, ref result);
_sb.Length = 0;
//assign
if (index == -1)
{
TextElementResult elementresult = new TextElementResult();
elementresult.RenderId = target.GetHashCode();
elementresult.ParseGroup.TextResult = result;
elementresult.ParseGroup.fillplacemap = new EmojiList <int>(64);
context.AllTexts.Add(target);
context.Results.Add(elementresult);
}
else
{
TextElementResult elementresult = context.Results[index];
elementresult.ParseGroup.TextResult = result;
elementresult.ParseGroup.fillplacemap.Clear();
context.Results[index] = elementresult;
}
}
return(errcode);
}
return(0);
}
