public bool IntersectsWith(TitleBufferElement element)
{
if (_isSimple && element.IsSimple)
return PlanimetryAlgorithms.AreRectanglesIntersect(_box, element._box);
else
if (!_isSimple && !element.IsSimple)
{
return complexTitlesIntersect(this, element);
}
else
if (!_isSimple && element.IsSimple)
return element.intersectsWithComplexTitle(this);
else
return intersectsWithComplexTitle(element);
}
private bool intersectsWithComplexTitle(TitleBufferElement complexOne)
{
if (!PlanimetryAlgorithms.AreRectanglesIntersect(_box, complexOne._box))
return false;
Segment[] segments = new Segment[4]
{
new Segment(_box.V1, PlanimetryEnvironment.NewCoordinate(_box.V1.X, _box.V2.Y)),
new Segment(PlanimetryEnvironment.NewCoordinate(_box.V1.X, _box.V2.Y), _box.V2),
new Segment(_box.V2, PlanimetryEnvironment.NewCoordinate(_box.V2.X, _box.V1.Y)),
new Segment(PlanimetryEnvironment.NewCoordinate(_box.V2.X, _box.V1.Y), _box.V1)
};
ICoordinate pointStub = null;
Segment segmentStub = new Segment();
foreach (Contour c in complexOne._followingTitle.EnvelopePolygon.Contours)
{
Segment segment1 = new Segment(c.Vertices[0], c.Vertices[1]);
Segment segment2 = new Segment(c.Vertices[2], c.Vertices[3]);
for(int i = 0; i < 4; i++)
if (PlanimetryAlgorithms.SegmentsIntersection(segment1, segments[i], out pointStub, out segmentStub) != Dimension.None ||
PlanimetryAlgorithms.SegmentsIntersection(segment2, segments[i], out pointStub, out segmentStub) != Dimension.None)
return true;
}
return false;
}
private static bool complexTitlesIntersect(TitleBufferElement element1, TitleBufferElement element2)
{
if (!PlanimetryAlgorithms.AreRectanglesIntersect(element1.Box, element2.Box))
return false;
foreach (Contour c1 in element1.FollowingTitle.EnvelopePolygon.Contours)
foreach (Contour c2 in element1.FollowingTitle.EnvelopePolygon.Contours)
if (contoursIntersect(c1, c2))
return true;
return false;
}
private static void drawTitle(Graphics g, TitleBufferElement title, double scaleFactor, BoundingRectangle viewBox)
{
using (Font f = title.Style.GetFont())
using (SolidBrush fontBrush = new SolidBrush(title.Style.Color))
{
SizeF size = g.MeasureString(title.Title, f, new PointF(0, 0), _titleStringFormat);
ICoordinate originPoint = PlanimetryEnvironment.NewCoordinate((title.Box.V1.X + title.Box.V2.X) / 2, title.Box.V2.Y);
using (GraphicsPath path = new GraphicsPath())
{
if (title.IsSimple)
{
path.AddString(title.Title,
f.FontFamily,
(int)f.Style,
f.Size,
new PointF((float)((originPoint.X - viewBox.MinX) * scaleFactor),
(float)((viewBox.MaxY - originPoint.Y) * scaleFactor)),
_titleStringFormat);
if (title.Style.UseOutline)
using (Pen pen = new Pen(_titleOutlineColor, title.Style.OutlineSize))
{
pen.MiterLimit = 1;
g.DrawPath(pen, path);
}
g.FillPath(fontBrush, path);
}
else
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
if (title.Style.UseOutline)
using (Pen pen = new Pen(_titleOutlineColor, title.Style.OutlineSize))
{
pen.MiterLimit = 1;
foreach (FollowingTitleElement element in title.FollowingTitle.Elements)
{
g.TranslateTransform(element.TranslationPoint.X, element.TranslationPoint.Y);
g.RotateTransform(element.RotationAngle);
path.Reset();
path.AddString(element.Substring, f.FontFamily, (int)f.Style, f.Size, element.TitleOrigin, StringFormat.GenericTypographic);
g.DrawPath(pen, path);
g.ResetTransform();
}
}
using (Brush b = new SolidBrush(title.Style.Color))
foreach (FollowingTitleElement element in title.FollowingTitle.Elements)
{
g.TranslateTransform(element.TranslationPoint.X, element.TranslationPoint.Y);
g.RotateTransform(element.RotationAngle);
path.Reset();
path.AddString(element.Substring, f.FontFamily, (int)f.Style, f.Size, element.TitleOrigin, StringFormat.GenericTypographic);
g.FillPath(fontBrush, path);
g.ResetTransform();
}
}
}
}
}