// at Unity version 4.6 - 5.1, don't write [u] out of <color=...> (eg. [u]<color=#00507C>Falcon[/u]</color>),
// because underline calculate include rich text(like "<color") vertex and char info.
void fillUnderline(VertexHelper toFill)
{
if (null == mCharTextGenerator)
{
mCharTextGenerator = new TextGenerator(1);
}
m_DisableFontTextureRebuiltCallback = true;
Vector2 extents = rectTransform.rect.size;
TextGenerationSettings settings = GetGenerationSettings(extents);
mCharTextGenerator.Populate("_", settings);
IList <UIVertex> verts = mCharTextGenerator.verts;
if (verts.Count < 4)
{
return;
}
Vector2 topUV = (verts[0].uv0 + verts[1].uv0) / 2;
Vector2 bottomUV = (verts[2].uv0 + verts[3].uv0) / 2;
UIVertex[] temp = new UIVertex[4];
for (int i = 0; i < 4; i++)
{
temp[i] = verts[i];
if (i < 2)
{
temp[i].uv0 = topUV;
}
else
{
temp[i].uv0 = bottomUV;
}
}
if (mCharTextGenerator.lineCount <= 0)
{
return;
}
float underLineTopY = mCharTextGenerator.lines[0].topY;
float offsetTop = verts[0].position.y - underLineTopY;
float offsetBottom = verts[3].position.y - underLineTopY;
IList <UILineInfo> lines = cachedTextGenerator.lines;
TextSegmentFlag segment;
int segmentIdx = 0, segmentStartIdx = -1, segmentEndIdx = -1, endIdx = lines.Count - 1;
bool start = false;
if (null == mUnderlineEdgeCfg)
{
mUnderlineEdgeCfg = new UnderlineEdgeConfig();
}
mUnderlineEdgeCfg.init(toFill, temp, cachedTextGenerator, offsetTop, offsetBottom);
for (int i = 0, max = lines.Count; i < max; ++i)
{
if (segmentIdx == mUnderlineIndexList.Count)
{
break;
}
segment = mUnderlineIndexList[segmentIdx];
if (!start && (lines[i].startCharIdx > segment.start || i == endIdx))
{
if (!mUnderlineEdgeCfg.setUnderLineStartPos(segment.start, ref segmentStartIdx, i))
{
break;
}
start = true;
}
if (start && (lines[i].startCharIdx > segment.end || i == endIdx))
{
segmentEndIdx = i - (lines[i].startCharIdx > segment.end ? 1 : 0);
if (segmentStartIdx == segmentEndIdx)
{
if (!mUnderlineEdgeCfg.setUnderLineEndPos(segment.end))
{
break;
}
segmentIdx++;
start = false;
--i;
continue;
}
//start -> start line end
int startLineEndCharIdx = lines[segmentStartIdx + 1].startCharIdx - 1;
if ('\n' == text[startLineEndCharIdx])
{
--startLineEndCharIdx;
}
if (!mUnderlineEdgeCfg.setUnderLineEndPos(startLineEndCharIdx))
{
break;
}
//for(line start + 1 --> line end - 1)
for (int k = segmentStartIdx + 1; k < segmentEndIdx; ++k)
{
int lineStartCharIdx = lines[k].startCharIdx;
//ignore line feed
if ('\n' == text[lineStartCharIdx])
{
continue;
}
if (!mUnderlineEdgeCfg.setUnderLineStartPos(lineStartCharIdx, ref k, k))
{
break;
}
int lineEndCharIdx = lines[k + 1].startCharIdx - 1;
if ('\n' == text[lineEndCharIdx])
{
--lineEndCharIdx;
}
if (!mUnderlineEdgeCfg.setUnderLineEndPos(lineEndCharIdx))
{
break;
}
}
//end line start -> end
int endLineStartCharIdx = lines[segmentEndIdx].startCharIdx;
if (!mUnderlineEdgeCfg.setUnderLineStartPos(endLineStartCharIdx, ref segmentEndIdx, segmentEndIdx))
{
break;
}
if (!mUnderlineEdgeCfg.setUnderLineEndPos(segment.end))
{
break;
}
segmentIdx++;
start = false;
--i;
continue;
}
}
m_DisableFontTextureRebuiltCallback = false;
}
protected override void OnDestroy()
{
if (this.txtTool != null)
{
this.txtTool.ClearAll();
}
if (this.mOriginIndexList != null)
{
this.mOriginIndexList.Clear();
}
if (this.mVertexHelper != null)
{
this.mVertexHelper.Clear();
}
if (this._icons != null)
{
this._icons.Clear();
}
if (this._heights != null)
{
this._heights.Clear();
}
if (this._widths != null)
{
this._widths.Clear();
}
if (this._heightDeltas != null)
{
this._heightDeltas.Clear();
}
if (this._iconsPool != null)
{
this._iconsPool.Clear();
}
if (this._indexes != null)
{
this._indexes.Clear();
}
if (this._names != null)
{
this._names.Clear();
}
if (this._positions != null)
{
this._positions.Clear();
}
if (this.mUnderlineIndexList != null)
{
this.mUnderlineIndexList.Clear();
}
this.mGo = null;
this.mTrans = null;
this._icons = null;
this._iconsPool = null;
this._heights = null;
this._widths = null;
this._indexes = null;
this._names = null;
this._positions = null;
this._heightDeltas = null;
this.root = null;
this.mOriginIndexList = null;
this.txtTool = null;
this.mVertexHelper = null;
this.mCharTextGenerator = null;
this.mUnderlineEdgeCfg = null;
base.OnDestroy();
}
