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authorjaseg <git@jaseg.de>2021-01-26 23:21:31 +0100
committerjaseg <git@jaseg.de>2021-01-26 23:21:31 +0100
commit3cee5d4f018be6d4f494fb2ab1018fbf53b2f15f (patch)
tree993db446589acb970392bf4a40049088bd30630c /src/out_flattener.cpp
parentbc0ef634cf5142ea51c55d63b241c1f5e1d0e4b2 (diff)
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The cavalier flattener works!!1!
Diffstat (limited to 'src/out_flattener.cpp')
-rw-r--r--src/out_flattener.cpp115
1 files changed, 88 insertions, 27 deletions
diff --git a/src/out_flattener.cpp b/src/out_flattener.cpp
index edb93b7..9bc4cbe 100644
--- a/src/out_flattener.cpp
+++ b/src/out_flattener.cpp
@@ -21,24 +21,40 @@
#include <string>
#include <iostream>
#include <iomanip>
-#include <clipper.hpp>
#include <gerbolyze.hpp>
#include <svg_import_defs.h>
#include <svg_geom.h>
+#include "polylinecombine.hpp"
using namespace gerbolyze;
using namespace std;
+static void polygon_to_cavc (const Polygon &in, cavc::Polyline<double> &out) {
+ for (auto &p : in) {
+ out.addVertex(p[0], p[1], 0);
+ }
+ out.isClosed() = true; /* sic! */
+}
+
+static void cavc_to_polygon (const cavc::Polyline<double> &in, Polygon &out) {
+ for (auto &p : in.vertexes()) {
+ out.emplace_back(d2p{p.x(), p.y()});
+ }
+}
+
namespace gerbolyze {
class Flattener_D {
public:
- ClipperLib::Clipper c;
+ vector<cavc::Polyline<double>> dark_polys;
+
+ void add_dark_polygon(const Polygon &in) {
+ polygon_to_cavc(in, dark_polys.emplace_back());
+ }
};
}
Flattener::Flattener(PolygonSink &sink) : m_sink(sink) {
d = new Flattener_D();
- d->c.StrictlySimple(true);
}
Flattener::~Flattener() {
@@ -49,6 +65,8 @@ void Flattener::header(d2p origin, d2p size) {
m_sink.header(origin, size);
}
+
+
Flattener &Flattener::operator<<(GerberPolarityToken pol) {
if (m_current_polarity != pol) {
m_current_polarity = pol;
@@ -58,42 +76,85 @@ Flattener &Flattener::operator<<(GerberPolarityToken pol) {
}
Flattener &Flattener::operator<<(const Polygon &poly) {
- ClipperLib::Path le_path;
- for (auto &p : poly) {
- le_path.push_back({(ClipperLib::cInt)round(p[0] * clipper_scale), (ClipperLib::cInt)round(p[1] * clipper_scale)});
- }
-
- ClipperLib::Paths out;
+ static int i=0, j=0;
if (m_current_polarity == GRB_POL_DARK) {
- d->c.AddPath(le_path, ClipperLib::ptSubject, true);
- d->c.Execute(ClipperLib::ctUnion, out, ClipperLib::pftNonZero);
-
+ d->add_dark_polygon(poly);
+ cerr << "dark primitive " << i++ << endl;
} else { /* clear */
- d->c.AddPath(le_path, ClipperLib::ptClip, true);
- d->c.Execute(ClipperLib::ctDifference, out, ClipperLib::pftNonZero);
- }
+ cerr << "clear primitive " << j++ << endl;
+
+ cavc::Polyline<double> sub;
+ polygon_to_cavc (poly, sub);
+
+ vector<cavc::Polyline<double>> new_dark_polys;
+ new_dark_polys.reserve(d->dark_polys.size());
+
+ for (cavc::Polyline<double> cavc_in : d->dark_polys) {
+ auto res = cavc::combinePolylines(cavc_in, sub, cavc::PlineCombineMode::Exclude);
+
+ if (res.subtracted.size() == 0) {
+ for (auto &rem : res.remaining) {
+ new_dark_polys.push_back(std::move(rem));
+ }
+
+ } else {
+ assert (res.remaining.size() == 1);
+ assert (res.subtracted.size() == 1);
+
+ auto &rem = res.remaining[0];
+ auto &sub = res.subtracted[0];
+ auto bbox = getExtents(rem);
+
+ cavc::Polyline<double> quad;
+ quad.addVertex(bbox.xMin, bbox.yMin, 0);
+ if (sub.vertexes()[0].x() < sub.vertexes()[1].x()) {
+ quad.addVertex(sub.vertexes()[0]);
+ quad.addVertex(sub.vertexes()[1]);
+ } else {
+ quad.addVertex(sub.vertexes()[1]);
+ quad.addVertex(sub.vertexes()[0]);
+ }
+ quad.addVertex(bbox.xMax, bbox.yMin, 0);
+ quad.isClosed() = true; /* sic! */
+
+ auto res2 = cavc::combinePolylines(rem, quad, cavc::PlineCombineMode::Exclude);
+ assert (res2.subtracted.size() == 0);
+
+ for (auto &rem : res2.remaining) {
+ auto res3 = cavc::combinePolylines(rem, sub, cavc::PlineCombineMode::Exclude);
+ assert (res3.subtracted.size() == 0);
+ for (auto &p : res3.remaining) {
+ new_dark_polys.push_back(std::move(p));
+ }
+ }
+
+ auto res4 = cavc::combinePolylines(rem, quad, cavc::PlineCombineMode::Intersect);
+ assert (res4.subtracted.size() == 0);
+
+ for (auto &rem : res4.remaining) {
+ auto res5 = cavc::combinePolylines(rem, sub, cavc::PlineCombineMode::Exclude);
+ assert (res5.subtracted.size() == 0);
+ for (auto &p : res5.remaining) {
+ new_dark_polys.push_back(std::move(p));
+ }
+ }
+ }
+ }
- d->c.Clear();
- d->c.AddPaths(out, ClipperLib::ptSubject, true);
+ d->dark_polys = std::move(new_dark_polys);
+ }
return *this;
}
void Flattener::footer() {
- ClipperLib::PolyTree t_out;
- d->c.Execute(ClipperLib::ctDifference, t_out, ClipperLib::pftNonZero);
- d->c.Clear();
-
m_sink << GRB_POL_DARK;
- ClipperLib::Paths out;
- cerr << "deholing" << endl;
- dehole_polytree(t_out, out);
- for (auto &poly : out) {
+ for (auto &poly : d->dark_polys) {
Polygon poly_out;
- for (auto &p : poly) {
- poly_out.push_back({p.X / clipper_scale, p.Y / clipper_scale});
+ for (auto &p : poly.vertexes()) {
+ poly_out.emplace_back(d2p{p.x(), p.y()});
}
m_sink << poly_out;
}