Class FreeSpaceFinder

Namespace

MiPdf.Content

Assembly

MiPdf.dll

Finds empty areas of a page, e.g. to place a signature or a stamp where it does not cover content. Occupied are text (word boxes), images, painted vector graphics (bounding boxes) and – optionally – annotations. The result consists of maximal free rectangles (they may overlap), largest first.

public static class FreeSpaceFinder

Inheritance

object

FreeSpaceFinder

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

Find(PdfPage, double, double, bool)

Maximal free rectangles of at least minWidth x minHeight points within the crop box of page, largest first.

public static IReadOnlyList<PdfRectangle> Find(PdfPage page, double minWidth, double minHeight, bool includeAnnotations = true)

Parameters

page PdfPage

The page to analyze.

minWidth double

Minimum width of a free rectangle in points.

minHeight double

Minimum height of a free rectangle in points.

includeAnnotations bool

Treat the rectangles of annotations as occupied (popup and hidden annotations are ignored).

Returns

IReadOnlyList<PdfRectangle>

Find(PdfRectangle, IEnumerable<PdfRectangle>, double, double)

Maximal free rectangles inside area that do not intersect any occupied rectangle.

public static IReadOnlyList<PdfRectangle> Find(PdfRectangle area, IEnumerable<PdfRectangle> occupied, double minWidth, double minHeight)

Parameters

area PdfRectangle

occupied IEnumerable<PdfRectangle>

minWidth double

minHeight double

Returns

IReadOnlyList<PdfRectangle>