internal void FillMultiPath(com.epl.geometry.SimpleRasterizer rasterizer, com.epl.geometry.Transformation2D trans, com.epl.geometry.MultiPathImpl polygon, bool isWinding)
{
com.epl.geometry.SegmentIteratorImpl segIter = polygon.QuerySegmentIterator();
com.epl.geometry.Point2D p1 = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D p2 = new com.epl.geometry.Point2D();
while (segIter.NextPath())
{
while (segIter.HasNextSegment())
{
com.epl.geometry.Segment seg = segIter.NextSegment();
if (seg.GetType() != com.epl.geometry.Geometry.Type.Line)
{
throw com.epl.geometry.GeometryException.GeometryInternalError();
}
// TODO:
// densify
// the
// segment
// here
trans.Transform(seg.GetStartXY(), p1);
trans.Transform(seg.GetEndXY(), p2);
m_rasterizer.AddEdge(p1.x, p1.y, p2.x, p2.y);
}
}
m_rasterizer.RenderEdges(isWinding ? com.epl.geometry.SimpleRasterizer.WINDING : com.epl.geometry.SimpleRasterizer.EVEN_ODD);
}
public override void ApplyTransformation(com.epl.geometry.Transformation2D transform)
{
_touch();
com.epl.geometry.Point2D pt = new com.epl.geometry.Point2D();
pt.x = m_xStart;
pt.y = m_yStart;
transform.Transform(pt, pt);
m_xStart = pt.x;
m_yStart = pt.y;
pt.x = m_xEnd;
pt.y = m_yEnd;
transform.Transform(pt, pt);
m_xEnd = pt.x;
m_yEnd = pt.y;
}
public override void ApplyTransformation(com.epl.geometry.Transformation2D transform)
{
if (IsEmptyImpl())
{
return;
}
com.epl.geometry.Point2D pt = GetXY();
transform.Transform(pt, pt);
SetXY(pt);
}
public override void ApplyTransformation(com.epl.geometry.Transformation2D transform)
{
if (IsEmpty())
{
return;
}
_verifyAllStreams();
com.epl.geometry.AttributeStreamOfDbl points = (com.epl.geometry.AttributeStreamOfDbl)m_vertexAttributes[0];
com.epl.geometry.Point2D pt2 = new com.epl.geometry.Point2D();
for (int ipoint = 0; ipoint < m_pointCount; ipoint++)
{
pt2.x = points.Read(ipoint * 2);
pt2.y = points.Read(ipoint * 2 + 1);
transform.Transform(pt2, pt2);
points.Write(ipoint * 2, pt2.x);
points.Write(ipoint * 2 + 1, pt2.y);
}
// REFACTOR: reset the exact envelope only and transform the loose
// envelope
NotifyModified(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyCoordinates);
}
internal void StrokeDrawPolyPath(com.epl.geometry.SimpleRasterizer rasterizer, com.epl.geometry.MultiPathImpl polyPath, double tol)
{
com.epl.geometry.Point2D[] fan = new com.epl.geometry.Point2D[4];
for (int i = 0; i < fan.Length; i++)
{
fan[i] = new com.epl.geometry.Point2D();
}
com.epl.geometry.SegmentIteratorImpl segIter = polyPath.QuerySegmentIterator();
double strokeHalfWidth = m_transform.Transform(tol) + 1.5;
double shortSegment = 0.25;
com.epl.geometry.Point2D vec = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D vecA = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D vecB = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D ptStart = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D ptEnd = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D prev_start = new com.epl.geometry.Point2D();
com.epl.geometry.Point2D prev_end = new com.epl.geometry.Point2D();
double[] helper_xy_10_elm = new double[10];
com.epl.geometry.Envelope2D segEnv = new com.epl.geometry.Envelope2D();
com.epl.geometry.Point2D ptOld = new com.epl.geometry.Point2D();
while (segIter.NextPath())
{
bool hasFan = false;
bool first = true;
ptOld.SetCoords(0, 0);
while (segIter.HasNextSegment())
{
com.epl.geometry.Segment seg = segIter.NextSegment();
ptStart.x = seg.GetStartX();
ptStart.y = seg.GetStartY();
ptEnd.x = seg.GetEndX();
ptEnd.y = seg.GetEndY();
segEnv.SetEmpty();
segEnv.Merge(ptStart.x, ptStart.y);
segEnv.MergeNE(ptEnd.x, ptEnd.y);
if (!m_geomEnv.IsIntersectingNE(segEnv))
{
if (hasFan)
{
rasterizer.StartAddingEdges();
rasterizer.AddSegmentStroke(prev_start.x, prev_start.y, prev_end.x, prev_end.y, strokeHalfWidth, false, helper_xy_10_elm);
rasterizer.RenderEdges(com.epl.geometry.SimpleRasterizer.EVEN_ODD);
hasFan = false;
}
first = true;
continue;
}
m_transform.Transform(ptEnd, ptEnd);
if (first)
{
m_transform.Transform(ptStart, ptStart);
ptOld.SetCoords(ptStart);
first = false;
}
else
{
ptStart.SetCoords(ptOld);
}
prev_start.SetCoords(ptStart);
prev_end.SetCoords(ptEnd);
rasterizer.StartAddingEdges();
hasFan = !rasterizer.AddSegmentStroke(prev_start.x, prev_start.y, prev_end.x, prev_end.y, strokeHalfWidth, true, helper_xy_10_elm);
rasterizer.RenderEdges(com.epl.geometry.SimpleRasterizer.EVEN_ODD);
if (!hasFan)
{
ptOld.SetCoords(prev_end);
}
}
if (hasFan)
{
rasterizer.StartAddingEdges();
hasFan = !rasterizer.AddSegmentStroke(prev_start.x, prev_start.y, prev_end.x, prev_end.y, strokeHalfWidth, false, helper_xy_10_elm);
rasterizer.RenderEdges(com.epl.geometry.SimpleRasterizer.EVEN_ODD);
}
}
}
public override void ApplyTransformation(com.epl.geometry.Transformation2D transform)
{
_touch();
transform.Transform(m_envelope);
}