clipper2c-sys 0.1.6

Exposing unsafe FFI for Clipper2 library for Rust.
Documentation 
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#include <clipper2/clipper.h>
#include <clipper2c.h>

#include "clipper2/clipper.engine.h"
#include "conv.h"
#include "types.h"
#include <stdint.h>

using namespace Clipper2Lib;

#ifdef __cplusplus
extern "C" {
#endif

// Constructors

ClipperPolyTree64 *clipper_polytree64(void *mem, ClipperPolyTree64 *parent) {
  return to_c(new (mem) PolyTree64(from_c(parent)));
}

ClipperPolyTreeD *clipper_polytreed(void *mem, ClipperPolyTreeD *parent) {
  return to_c(new (mem) PolyTreeD(from_c(parent)));
}

// PolyTree64 methods

const ClipperPolyTree64 *clipper_polytree64_parent(ClipperPolyTree64 *pt) {
  return reinterpret_cast<const ClipperPolyTree64 *>(from_c(pt)->Parent());
}

const ClipperPolyTree64 *clipper_polytree64_get_child(ClipperPolyTree64 *pt,
                                                      size_t idx) {
  return reinterpret_cast<const ClipperPolyTree64 *>(from_c(pt)->Child(idx));
}

ClipperPolyTree64 *clipper_polytree64_add_child(ClipperPolyTree64 *pt,
                                                ClipperPath64 *path) {
  return to_c(from_c(pt)->AddChild(*from_c(path)));
}

void clipper_polytree64_clear(ClipperPolyTree64 *pt) { from_c(pt)->Clear(); }

size_t clipper_polytree64_count(ClipperPolyTree64 *pt) {
  return from_c(pt)->Count();
}

int clipper_polytree64_level(ClipperPolyTree64 *pt) {
  return from_c(pt)->Level();
}

int clipper_polytree64_is_hole(ClipperPolyTree64 *pt) {
  return from_c(pt)->IsHole();
}

ClipperPath64 *clipper_polytree64_polygon(void *mem, ClipperPolyTree64 *pt) {
  const auto &p = from_c(pt)->Polygon();
  return to_c(new (mem) Path64(p));
}

double clipper_polytree64_area(ClipperPolyTree64 *pt) {
  return from_c(pt)->Area();
}

ClipperPaths64 *clipper_polytree64_to_paths(void *mem, ClipperPolyTree64 *pt) {
  return to_c(new (mem) Paths64(PolyTreeToPaths64(*from_c(pt))));
}

int clipper_polytree64_fully_contains_children(ClipperPolyTree64 *pt) {
  return CheckPolytreeFullyContainsChildren(*from_c(pt));
}

// PolyTreeD methods

const ClipperPolyTreeD *clipper_polytreed_parent(ClipperPolyTreeD *pt) {
  return reinterpret_cast<const ClipperPolyTreeD *>(from_c(pt)->Parent());
}

const ClipperPolyTreeD *clipper_polytreed_get_child(ClipperPolyTreeD *pt,
                                                    size_t idx) {
  return reinterpret_cast<const ClipperPolyTreeD *>(from_c(pt)->Child(idx));
}

void clipper_polytreed_set_inv_scale(ClipperPolyTreeD *pt, double value) {
  return from_c(pt)->SetScale(value);
}

double clipper_polytreed_inv_scale(ClipperPolyTreeD *pt) {
  return from_c(pt)->Scale();
}

ClipperPolyTreeD *clipper_polytreed_add_child(ClipperPolyTreeD *pt,
                                              ClipperPath64 *path) {
  return to_c(from_c(pt)->AddChild(*from_c(path)));
}

void clipper_polytreed_clear(ClipperPolyTreeD *pt) { from_c(pt)->Clear(); }

size_t clipper_polytreed_count(ClipperPolyTreeD *pt) {
  return from_c(pt)->Count();
}

int clipper_polytreed_level(ClipperPolyTreeD *pt) {
  return from_c(pt)->Level();
}

int clipper_polytreed_is_hole(ClipperPolyTreeD *pt) {
  return from_c(pt)->IsHole();
}

ClipperPathD *clipper_polytreed_polygon(void *mem, ClipperPolyTreeD *pt) {
  const auto &p = from_c(pt)->Polygon();
  return to_c(new (mem) PathD(p));
}

double clipper_polytreed_area(ClipperPolyTreeD *pt) {
  return from_c(pt)->Area();
}

ClipperPathsD *clipper_polytreed_to_paths(void *mem, ClipperPolyTreeD *pt) {
  return to_c(new (mem) PathsD(PolyTreeToPathsD(*from_c(pt))));
}

#ifdef __cplusplus
}
#endif