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update documentation and add note about concave poly issue

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BobLd 2020-09-01 11:18:22 +01:00
parent e5ab4eb571
commit 7b085a8498
1 changed files with 22 additions and 15 deletions
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37
src/UglyToad.PdfPig/Geometry/GeometryExtensions.cs
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@ -928,7 +928,7 @@
/// </summary>
/// <param name="subpath">The subpath that should contain the point.</param>
/// <param name="point">The point that should be contained within the subpath.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the subpath's border.</param>
public static bool Contains(this PdfSubpath subpath, PdfPoint point, bool includeBorder = false)
{
return PointInPaths(point.ToClipperIntPoint(),
@ -943,14 +943,16 @@
/// </summary>
/// <param name="subpath">The subpath that should contain the rectangle.</param>
/// <param name="rectangle">The rectangle that should be contained within the subpath.</param>
/// <param name="includeBorder">[Not used for the moment] If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the rectangle is on the subpath's border.</param>
public static bool Contains(this PdfSubpath subpath, PdfRectangle rectangle, bool includeBorder = false)
{
// NB, For later dev: Might not work for concave outer subpath, as it can contain all the points of the rectangle, but have overlapping edges.
var clipperPaths = new List<List<ClipperIntPoint>>() { subpath.ToClipperPolygon().ToList() };
if (!PointInPaths(rectangle.BottomLeft.ToClipperIntPoint(), clipperPaths, ClipperPolyFillType.EvenOdd, includeBorder)) return false;
if (!PointInPaths(rectangle.TopLeft.ToClipperIntPoint(), clipperPaths, ClipperPolyFillType.EvenOdd, includeBorder)) return false;
if (!PointInPaths(rectangle.TopRight.ToClipperIntPoint(), clipperPaths, ClipperPolyFillType.EvenOdd, includeBorder)) return false;
if (!PointInPaths(rectangle.BottomRight.ToClipperIntPoint(), clipperPaths, ClipperPolyFillType.EvenOdd, includeBorder)) return false;
foreach (var point in rectangle.ToClipperPolygon())
{
if (!PointInPaths(point, clipperPaths, ClipperPolyFillType.EvenOdd, includeBorder)) return false;
}
return true;
}
@ -960,9 +962,10 @@
/// </summary>
/// <param name="subpath">The subpath that should contain the rectangle.</param>
/// <param name="other">The other subpath that should be contained within the subpath.</param>
/// <param name="includeBorder">[Not used for the moment] If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the other subpath is on the subpath's border.</param>
public static bool Contains(this PdfSubpath subpath, PdfSubpath other, bool includeBorder = false)
{
// NB, For later dev: Might not work for concave outer subpath, as it can contain all the points of the inner subpath, but have overlapping edges.
var clipperPaths = new List<List<ClipperIntPoint>>() { subpath.ToClipperPolygon().ToList() };
foreach (var pt in other.ToClipperPolygon())
{
@ -992,7 +995,7 @@
/// </summary>
/// <param name="path">The path that should contain the point.</param>
/// <param name="point">The point that should be contained within the path.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the path's border.</param>
public static bool Contains(this PdfPath path, PdfPoint point, bool includeBorder = false)
{
var clipperPaths = path.Select(sp => sp.ToClipperPolygon().ToList()).ToList();
@ -1007,15 +1010,17 @@
/// </summary>
/// <param name="path">The path that should contain the rectangle.</param>
/// <param name="rectangle">The rectangle that should be contained within the path.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the rectangle is on the path's border.</param>
public static bool Contains(this PdfPath path, PdfRectangle rectangle, bool includeBorder = false)
{
// NB, For later dev: Might not work for concave outer path, as it can contain all the points of the inner rectangle, but have overlapping edges.
var clipperPaths = path.Select(sp => sp.ToClipperPolygon().ToList()).ToList();
var fillType = path.FillingRule == FillingRule.NonZeroWinding ? ClipperPolyFillType.NonZero : ClipperPolyFillType.EvenOdd;
if (!PointInPaths(rectangle.BottomLeft.ToClipperIntPoint(), clipperPaths, fillType, includeBorder)) return false;
if (!PointInPaths(rectangle.TopLeft.ToClipperIntPoint(), clipperPaths, fillType, includeBorder)) return false;
if (!PointInPaths(rectangle.TopRight.ToClipperIntPoint(), clipperPaths, fillType, includeBorder)) return false;
if (!PointInPaths(rectangle.BottomRight.ToClipperIntPoint(), clipperPaths, fillType, includeBorder)) return false;
foreach (var point in rectangle.ToClipperPolygon())
{
if (!PointInPaths(point, clipperPaths, fillType, includeBorder)) return false;
}
return true;
}
@ -1024,9 +1029,10 @@
/// </summary>
/// <param name="path">The path that should contain the subpath.</param>
/// <param name="subpath">The subpath that should be contained within the path.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the subpath is on the path's border.</param>
public static bool Contains(this PdfPath path, PdfSubpath subpath, bool includeBorder = false)
{
// NB, For later dev: Might not work for concave outer path, as it can contain all the points of the inner subpath, but have overlapping edges.
var clipperPaths = path.Select(sp => sp.ToClipperPolygon().ToList()).ToList();
var fillType = path.FillingRule == FillingRule.NonZeroWinding ? ClipperPolyFillType.NonZero : ClipperPolyFillType.EvenOdd;
foreach (var p in subpath.ToClipperPolygon())
@ -1041,9 +1047,10 @@
/// </summary>
/// <param name="path">The path that should contain the path.</param>
/// <param name="other">The other path that should be contained within the path.</param>
/// <param name="includeBorder">If set to false, will return false if the point belongs to the border.</param>
/// <param name="includeBorder">If set to false, will return false if the other subpath is on the path's border.</param>
public static bool Contains(this PdfPath path, PdfPath other, bool includeBorder = false)
{
// NB, For later dev: Might not work for concave outer path, as it can contain all the points of the inner path, but have overlapping edges.
var clipperPaths = path.Select(sp => sp.ToClipperPolygon().ToList()).ToList();
var fillType = path.FillingRule == FillingRule.NonZeroWinding ? ClipperPolyFillType.NonZero : ClipperPolyFillType.EvenOdd;
foreach (var subpath in other)