public void MakeWord(List <WordInfo> wordInfos)
{
int i = 1;
//上一个字符块
WordInfo lastChunk = null;
//上一个单词
WordMeta lastTextInfo = new WordMeta()
{
Index = i,
Text = new StringBuilder(),
WordChars = new List <WordInfo>()
};
foreach (var chunk in wordInfos)
{
if (lastChunk == null)
{
lastTextInfo.Text.Append(chunk.Word);
lastTextInfo.WordChars.Add(chunk);
i++;
Words.Add(lastTextInfo);
}
else
{
//属于同一行
if (IsSameLine(chunk, lastChunk))
{
float dist = chunk.DistanceFromEndOf(lastChunk);
if (dist < -chunk.Space)
{
lastTextInfo.Text.Append(" ");
}
//append a space if the trailing char of the prev string wasn't a space && the 1st char of the current string isn't a space
else if (dist > chunk.Space / 2.0f && chunk.Word.Length > 0 && chunk.Word[0] != ' ' && lastChunk.Word.Length > 0 && lastChunk.Word[lastChunk.Word.Length - 1] != ' ')
{
lastTextInfo.Text.Append(" ");
}
lastTextInfo.Text.Append(chunk.Word);
lastTextInfo.WordChars.Add(chunk);
}
else
{
lastTextInfo = new WordMeta()
{
Index = i,
Text = new StringBuilder(),
WordChars = new List <WordInfo>()
};
lastTextInfo.Text.Append(chunk.Word);
lastTextInfo.WordChars.Add(chunk);
i++;
Words.Add(lastTextInfo);
}
}
lastChunk = chunk;
}
}
public void MakeBlock(Line line)
{
var dic = line.LineDic;
WordMeta last = null;
int i = 1;
//过滤掉空行
var tempDic = new Dictionary <int, List <WordMeta> >();
var filter = dic.Where(d => d.Value.Count == 1 && d.Value[0].Text.ToString().Trim() != "" || d.Value.Count > 1).OrderBy(d => d.Key);
int j = 0;
if (filter != null && filter.Count() > 0)
{
foreach (var item in filter)
{
tempDic.Add(j, item.Value);
j++;
}
}
foreach (var item in tempDic)
{
bool isNextEqual = false;
bool isLastPreMatch = false;
if (item.Value.Count > 0)
{
var current = item.Value[0];
if (last != null)
{
if (!current.IsValid(last))
{
continue;
}
var gindex = BlockDic.Last().Value.GroupBy(v => v.Index).OrderBy(v => v.Key).Take(2);
float spaceHeight = 0;
if (gindex.Count() > 1)
{
var first = gindex.First().First().WordChars.Average(w => w.Y);
var second = gindex.Last().First().WordChars.Average(w => w.Y);
var secondAveHeight = gindex.Last().First().WordChars.Average(w => w.Height);
spaceHeight = Math.Abs(second - first) - secondAveHeight;
last.SpaceHeight = spaceHeight;
}
if (BlockDic.Last().Value.Count == 1 && BlockDic.Last().Value.First() == last)
{
last.IsFirst = true;
}
if (BlockDic.Last().Value.Count > 1 && BlockDic.Last().Value.Last() == last)
{
last.OffSetHeight = Math.Abs(BlockDic.Last().Value.Last().WordChars.First().Y - BlockDic.Last().Value.First().WordChars.First().Y);
last.OffSetWidth = Math.Abs(BlockDic.Last().Value.Last().WordChars.Max(v => v.X) - BlockDic.Last().Value.First().WordChars.Min(v => v.X));
}
//计算宽度
var minX = last.WordChars.Min(v => v.X);
var maxX = last.WordChars.Max(v => v.X);
last.Width = maxX - minX;
current.Width = current.WordChars.Max(v => v.X) - current.WordChars.Min(v => v.X);
last.MaxY = last.WordChars.Max(v => v.Y);
last.MaxX = last.WordChars.Max(v => v.X);
current.MaxX = current.WordChars.Max(v => v.X);
if (current.Equals(last))
{
if (BlockDic.Keys.Contains(i))
{
BlockDic[i].AddRange(item.Value);
}
}
else
{
//如果last是一个上缀，那么取last的上一个与当前的比较
if (last.WordChars.Count == 1 && BlockDic.Last().Value.Count > 1 && BlockDic.Last().Value.Last() == last)
{
isLastPreMatch = false;
var lastPre = BlockDic.Last().Value[BlockDic.Last().Value.Count - 2];
if (current.Equals(lastPre))
{
if (BlockDic.Keys.Contains(i))
{
BlockDic[i].AddRange(item.Value);
}
isLastPreMatch = true;
}
else
{
isLastPreMatch = false;
}
}
else
{
int count = 0;
isNextEqual = false;
while (count < 3 && !current.IsEndBlock)
{
count++;
if (tempDic.Keys.Contains(item.Key + count))
{
var next = tempDic[item.Key + count];
var nextFirstChar = next[0].WordChars.First();
var nextLastChar = next[0].WordChars.Last();
if (Math.Abs(nextFirstChar.Y - last.WordChars.First().Y) < 30 &&
Math.Abs(current.WordChars.First().Y - nextFirstChar.Y) < 30 &&
last.WordChars.First().Word.Trim() != "" &&
next[0].WordChars.Count > 1 &&
(Math.Abs(nextFirstChar.X - last.WordChars.First().X) < 60 ||
Math.Abs(nextFirstChar.X - last.WordChars.Last().X) < 60))
{
if (next[0].Equals(last))
{
isNextEqual = true;
break;
}
}
}
}
}
if (isNextEqual)
{
if (current.WordChars.First().X - last.WordChars.First().X < 30 || current.WordChars.First().X - last.WordChars.Last().X < 30)
{
if (BlockDic.Keys.Contains(i))
{
BlockDic[i].AddRange(item.Value);
}
}
else
{
continue;
}
}
else if (isLastPreMatch == false)
{
i++;
BlockDic.Add(i, item.Value);
}
}
}
else
{
BlockDic.Add(i, item.Value);
}
if (isNextEqual == false)
{
current.LastWord = last;
last = current;
}
}
}
}
