public static LeadRectD GetBoundingRect(LeadPointD[] points)
{
double xmin = points[0].X;
double ymin = points[0].Y;
double xmax = xmin;
double ymax = ymin;
for (int i = 1; i < points.Length; i++)
{
if (points[i].X < xmin)
{
xmin = points[i].X;
}
if (points[i].X > xmax)
{
xmax = points[i].X;
}
if (points[i].Y < ymin)
{
ymin = points[i].Y;
}
if (points[i].Y > ymax)
{
ymax = points[i].Y;
}
}
return(LeadRectD.FromLTRB(xmin, ymin, xmax, ymax));
}
public LeadRectD FromImage(LeadRectD value)
{
LeadRectD result = LeadRectD.FromLTRB(
value.Left / XRatio,
value.Top / YRatio,
value.Right / XRatio,
value.Bottom / YRatio);//,
// value.Unit);
return(result);
}
public LeadRectD ToImage(LeadRectD value)
{
LeadRectD result = LeadRectD.FromLTRB(
value.Left * XRatio,
value.Top * YRatio,
value.Right * XRatio,
value.Bottom * YRatio);//,
//value.Unit);
return(result);
}
private void HighlightWord(Graphics g, int zoneIndex, int wordIndex, Brush b, Pen p)
{
OcrWord word = _ocrZoneWords[zoneIndex][wordIndex];
// Get the word bounding rectangle and convert to physical so we can draw it on the viewer surface
LeadRect rc = LeadRectD.FromLTRB(word.Bounds.Left, word.Bounds.Top, word.Bounds.Right, word.Bounds.Bottom).ToLeadRect();
rc = _imageViewer.ConvertRect(null, ImageViewerCoordinateType.Image, ImageViewerCoordinateType.Control, rc);
// Make the rectangle a little bit bigger for visibility purposes
rc.Inflate(_wordEdge, _wordEdge);
g.FillRectangle(b, Leadtools.Demos.Converters.ConvertRect(rc));
g.DrawRectangle(p, rc.X, rc.Y, rc.Width - 1, rc.Height - 1);
}
