HSpanColumn FindTouchColumn(HSpan newspan, ref int colIndex)
{
for (int i = colIndex; i < _hSpanColumns.Length; ++i)
{
HSpanColumn col = _hSpanColumns[i];
if (col.BottomSideTouchWith(newspan.y, newspan.startX, newspan.endX))
{
//found
colIndex = i;
return(col);
}
}
//----
if (colIndex > 0)
{
//we didn't start from the first
for (int i = 0; i < colIndex; ++i)
{
HSpanColumn col = _hSpanColumns[i];
if (col.BottomSideTouchWith(newspan.y, newspan.startX, newspan.endX))
{
//found
colIndex = i;
return(col);
}
}
}
//not found
return(null);
}
public HSpanColumn BottomSideFindFirstTouchColumnFromRight(int lowerGroupTop, int lowerGroupTopLeft, int lowerGroupTopRight)
{
//[ THIS group ]
//---------------------
//[ other (lower)group]
//
//find the first column that its bottom side touch with
//another lower group
for (int i = _hSpanColumns.Length - 1; i >= 0; --i)
{
HSpanColumn col = _hSpanColumns[i];
if (col.BottomSideTouchWith(lowerGroupTop, lowerGroupTopLeft, lowerGroupTopRight))
{
return(col);
}
}
return(null);
}
public bool AddHSpans(HSpan[] hspans, int startIndex, int count)
{
int index = startIndex;
//we must ...
//1. touch one by one
//and 2. no overlaped column
for (int i = 0; i < _hSpanColumns.Length; ++i)
{
HSpanColumn col = _hSpanColumns[i];
HSpan hspan = hspans[index];
if (!col.BottomSideTouchWith(hspan.y, hspan.startX, hspan.endX))
{
//found some 'untouch column'
//break all
//need another vertical group
return(false);
}
else if (i > 0 && _hSpanColumns[i - 1].BottomSideTouchWith(hspan.y, hspan.startX, hspan.endX))
{
//see Test/Data/lion_1_v3_2.png for example
//check if current hspan dose not touch with prev column
//in this case => start a new column
return(false);
}
index++;
}
//---
//pass all
index = startIndex; //reset
for (int i = 0; i < _hSpanColumns.Length; ++i)
{
HSpanColumn col = _hSpanColumns[i];
col.AddHSpan(hspans[index]);
index++;
}
return(true);
}
