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Ported from the playground branch. Various documentation and optimization.

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This commit is contained in:
bubnikv 2016-09-13 13:30:00 +02:00
parent a5b7f14dfa
commit 620c6c7378
38 changed files with 586 additions and 92 deletions
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27
xs/src/libslic3r/ClipperUtils.cpp
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@ -1,6 +1,12 @@
#include "ClipperUtils.hpp"
#include "Geometry.hpp"
// #define CLIPPER_UTILS_DEBUG
#ifdef CLIPPER_UTILS_DEBUG
#include "SVG.hpp"
#endif /* CLIPPER_UTILS_DEBUG */
namespace Slic3r {
//-----------------------------------------------------------
@ -226,6 +232,19 @@ void
offset2(const Slic3r::Polygons &polygons, ClipperLib::Paths* retval, const float delta1,
const float delta2, const double scale, const ClipperLib::JoinType joinType, const double miterLimit)
{
#ifdef CLIPPER_UTILS_DEBUG
BoundingBox bbox = get_extents(polygons);
coordf_t stroke_width = scale_(0.005);
static int iRun = 0;
++ iRun;
char path[2048];
sprintf(path, "out\\offset2-%d.svg", iRun);
bool flipY = false;
SVG svg(path, bbox, scale_(1.), flipY);
for (Slic3r::Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++ it)
svg.draw(it->lines(), "gray", stroke_width);
#endif /* CLIPPER_UTILS_DEBUG */
// read input
ClipperLib::Paths input;
Slic3rMultiPoints_to_ClipperPaths(polygons, &input);
@ -245,12 +264,18 @@ offset2(const Slic3r::Polygons &polygons, ClipperLib::Paths* retval, const float
ClipperLib::Paths output1;
co.AddPaths(input, joinType, ClipperLib::etClosedPolygon);
co.Execute(output1, (delta1*scale));
#ifdef CLIPPER_UTILS_DEBUG
svg.draw(output1, 1./CLIPPER_OFFSET_SCALE, "red", stroke_width);
#endif /* CLIPPER_UTILS_DEBUG */
// perform second offset
co.Clear();
co.AddPaths(output1, joinType, ClipperLib::etClosedPolygon);
co.Execute(*retval, (delta2*scale));
#ifdef CLIPPER_UTILS_DEBUG
svg.draw(*retval, 1./CLIPPER_OFFSET_SCALE, "green", stroke_width);
#endif /* CLIPPER_UTILS_DEBUG */
// unscale output
scaleClipperPolygons(*retval, 1/scale);
}