private void EraseLine(Graphics g, MergeLineInfo mline, List <Rectangle> Regions)
{
foreach (Rectangle reg in Regions)
{
Rectangle?nearRect = GetNearRegion(mline, reg);
if (nearRect.HasValue)
{
g.FillRectangle(Brushes.White, nearRect.Value);
}
}
}
private Rectangle?GetNearRegion(MergeLineInfo mline, Rectangle rect)
{
Rectangle border1;
Rectangle border2;
Rectangle mlineRect = mline.GetRect();
if (!mline.IsLine)
{
return(null);
}
if (mline.LineType == LineDirction.Horizontal)
{
border1 = new Rectangle(rect.X - Env.BorderRegion, rect.Y - Env.BorderRegion, rect.Width + Env.BorderRegion * 2, Env.BorderRegion * 2);
border2 = new Rectangle(rect.X - Env.BorderRegion, rect.Y + rect.Height - Env.BorderRegion, rect.Width + Env.BorderRegion * 2, Env.BorderRegion * 2);
}
else
{
border1 = new Rectangle(rect.X - Env.BorderRegion, rect.Y - Env.BorderRegion, Env.BorderRegion * 2, rect.Height + Env.BorderRegion * 2);
border2 = new Rectangle(rect.X + rect.Width - Env.BorderRegion, rect.Y - Env.BorderRegion, Env.BorderRegion * 2, rect.Height + Env.BorderRegion * 2);
}
if (mlineRect.IntersectsWith(border1))
{
mlineRect.Intersect(border1);
return(mlineRect);
}
else if (mlineRect.IntersectsWith(border2))
{
mlineRect.Intersect(border2);
return(mlineRect);
}
if (rect.IntersectsWith(mlineRect))
{
if (mline.LineType == LineDirction.Horizontal && mlineRect.Width >= rect.Width)
{
mlineRect.Intersect(rect);
return(mlineRect);
}
else if (mline.LineType == LineDirction.Vertical && mlineRect.Height >= rect.Height)
{
mlineRect.Intersect(rect);
return(mlineRect);
}
}
return(null);
}
private List <MergeLineInfo> GetMergeLines(List <LineInfo> lines)
{
Counter counter = new Counter(outputHanler);
counter.Start("GetMergeLines");
List <MergeLineInfo> mlines = new List <MergeLineInfo>();
foreach (LineInfo line in lines)
{
MergeLineInfo mline = mlines.Find(x => x.CanMerge(line));
if (mline != null)
{
mline.Merge(line);
}
else
{
mlines.Add(new MergeLineInfo(line));
}
}
counter.End();
return(mlines);
}