public bool IsCloseTo(RegionOfInterest other)
{
if (Contains(other))
{
return(true);
}
if (other.Contains(this))
{
return(true);
}
//double other_distance_to_right = other.left - this.Right;
//double other_distance_to_left = this.left - other.Right;
//double horizontal_distance = Math.Max(other_distance_to_right, other_distance_to_left);
double other_distance_to_top = top - other.Bottom;
double other_distance_to_bottom = other.top - Bottom;
double vertical_distance = Math.Max(other_distance_to_top, other_distance_to_bottom);
return
(true
//&& horizontal_distance <= PROXIMITY_MARGIN
&& vertical_distance <= PROXIMITY_MARGIN
);
}
internal static List <PDFAnnotation> GenerateAnnotations(PDFDocument pdf_document, int page, PDFInkList ink_list)
{
List <RegionOfInterest> regions = new List <RegionOfInterest>();
// Collect all the highlights on this page
StrokeCollection stroke_collection = ink_list.GetInkStrokeCollection(page);
if (null != stroke_collection)
{
foreach (Stroke stroke in stroke_collection)
{
double SCALE = 1000.0;
Rect bound = stroke.GetBounds();
bound.X /= SCALE;
bound.Y /= SCALE;
bound.Width /= SCALE;
bound.Height /= SCALE;
regions.Add(new RegionOfInterest(bound.Left, bound.Top, bound.Width, bound.Height));
}
}
RegionOfInterest.AggregateRegions(regions);
// Build a list of annotations
List <PDFAnnotation> annotations = RegionOfInterest.ConvertRegionsToPDFAnnotations(regions, INKS_TAG, pdf_document, page);
return(annotations);
}
public bool Contains(RegionOfInterest other)
{
return
(true &&
left <= other.left &&
Right >= other.Right &&
top <= other.top &&
Bottom >= other.Bottom
);
}
public void Incorporate(RegionOfInterest other)
{
double right = Math.Max(Right, other.Right);
double bottom = Math.Max(Bottom, other.Bottom);
left = Math.Min(left, other.left);
top = Math.Min(top, other.top);
width = right - left;
height = bottom - top;
}
public void Incorporate(RegionOfInterest other)
{
double right = Math.Max(this.Right, other.Right);
double bottom = Math.Max(this.Bottom, other.Bottom);
this.left = Math.Min(this.left, other.left);
this.top = Math.Min(this.top, other.top);
this.width = right - this.left;
this.height = bottom - this.top;
}
internal static List <PDFAnnotation> GenerateAnnotations(PDFDocument pdf_document, int page, PDFHightlightList highlight_list)
{
List <RegionOfInterest> regions = new List <RegionOfInterest>();
// Collect all the highlights on this page
foreach (var highlight in highlight_list.GetHighlightsForPage(page))
{
if (page == highlight.Page && 0 != highlight.Width)
{
regions.Add(new RegionOfInterest(highlight.Left, highlight.Top, highlight.Width, highlight.Height));
}
}
RegionOfInterest.AggregateRegions(regions);
// Build a list of annotations
List <PDFAnnotation> annotations = RegionOfInterest.ConvertRegionsToPDFAnnotations(regions, HIGHLIGHTS_TAG, pdf_document, page);
return(annotations);
}