protected string ParseUnderlineTag(string strText)
{
UnityEngine.Profiling.Profiler.BeginSample("InlineText Parse ParseUnderlineTag");
mTextBuilder.Length = 0;
if (string.IsNullOrEmpty(strText) || strText.IndexOf("<u>") == -1 || strText.IndexOf("</u>") == -1)
{
for (int i = 0; i < mUnderlineTagInfos.Count; ++i)
{
mUnderlineTagInfos[i].Reset();
}
return(strText);
}
var indexText = 0;
int index = 0;
foreach (Match match in mUnderlineRegex.Matches(strText))
{
mTextBuilder.Append(strText.Substring(indexText, match.Index - indexText));
if (index + 1 > mUnderlineTagInfos.Count)
{
var temp = new UnderlineTagInfo();
mUnderlineTagInfos.Add(temp);
}
//文本起始顶点索引 TODO 位置计算容易出问题，万一中间带有其他解释符号。所以下滑先只能放在次里面（仅次于超链接）
mUnderlineTagInfos[index].StartIndex = mTextBuilder.Length;
mUnderlineTagInfos[index].EndIndex = mTextBuilder.Length + match.Groups[1].Length;
mTextBuilder.Append(match.Groups[1].Value);
indexText = match.Index + match.Length;
index++;
}
if (index < mUnderlineTagInfos.Count)
{
int count = mUnderlineTagInfos.Count;
for (int i = index; i < count; ++i)
{
mUnderlineTagInfos[i].Reset();
}
}
mTextBuilder.Append(strText.Substring(indexText, strText.Length - indexText));
UnityEngine.Profiling.Profiler.EndSample();
return(mTextBuilder.ToString());
}
private void UnderlineTagsHandler()
{
if (mUnderlineTagInfos == null || mUnderlineTagInfos.Count == 0)
{
return;
}
for (int i = 0; i < mUnderlineTagInfos.Count; ++i)
{
UnderlineTagInfo temp = mUnderlineTagInfos[i];
if (!temp.IsValid())
{
continue;
}
int vertexStart = mUnderlineTagInfos[i].StartIndex * 4;
int vertexEnd = (mUnderlineTagInfos[i].EndIndex - 1) * 4 + 3;
mUnderlineTagInfos[i].Boxes = GetBounds(vertexStart, vertexEnd);
}
TextGenerator textGenerator = new TextGenerator();
textGenerator.Populate("_", TextGenerationSettings);
IList <UIVertex> underlineVerts = textGenerator.verts;
for (int m = 0; m < mUnderlineTagInfos.Count; ++m)
{
var underlineInfo = mUnderlineTagInfos[m];
if (!underlineInfo.IsValid())
{
continue;
}
if (underlineInfo.StartIndex >= mVertexHelperRef.currentVertCount)
{
continue;
}
for (int i = 0; i < underlineInfo.Boxes.Count; i++)
{
Vector3 startBoxPos = new Vector3(underlineInfo.Boxes[i].x, underlineInfo.Boxes[i].y, 0.0f);
Vector3 endBoxPos = startBoxPos + new Vector3(underlineInfo.Boxes[i].width, 0.0f, 0.0f);
AddUnderlineQuad(underlineVerts, startBoxPos, endBoxPos);
}
}
}