int main()
{
TPPLPoly poly;
{
float x = 2.0f;
float buf[] = { -x, -x, x, -x, x, x, -x, x };
make_poly(buf, 4, poly);
}
TPPLPoly hole;
{
float x = 1.0f;
// float buf[] = { -x, -x, x, -x, x, x, 0, 0, -x, x };
float buf[] = {-x,-x, -x,x, 0,0, x,x, x,-x};
make_poly(buf, 5, hole);
}
std::list< TPPLPoly > list;
list.push_back(poly);
list.push_back(hole);
std::list< TPPLPoly > triangles;
TPPLPartition pp;
if (!pp.Triangulate_EC(&list, &triangles))
{
printf("failed\n");
}
return 0;
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
SkMatrix matrix;
matrix.setScale(SkIntToScalar(100), SkIntToScalar(100));
matrix.postTranslate(SkIntToScalar(200), SkIntToScalar(200));
canvas->concat(matrix);
for (int n = 3; n < 20; n++) {
SkPath path;
make_poly(&path, n);
SkAutoCanvasRestore acr(canvas, true);
canvas->rotate(SkIntToScalar(10) * (n - 3));
canvas->translate(-SK_Scalar1, 0);
canvas->drawPath(path, paint);
}
}
static void build_polys(void) {
poly_buffer_t aux;
int32_t a[4];
int32_t x[4];
init_poly_buffer(&aux);
a[0] = 0;
poly[0] = make_poly(&aux, a, NULL, 1); // 0
a[0] = 1;
poly[1] = make_poly(&aux, a, NULL, 1); // 1
a[0] = -100;
poly[2] = make_poly(&aux, a, NULL, 1); // -100
poly[3] = NULL;
poly[4] = NULL;
poly[5] = NULL;
a[0] = 0;
a[1] = 1; x[1] = 3;
a[2] = -1; x[2] = 4;
poly[6] = make_poly(&aux, a, x, 3); // x3 - x4
a[0] = 0;
a[1] = 1; x[1] = 5;
a[2] = -1; x[2] = 4;
poly[7] = make_poly(&aux, a, x, 3); // x5 - x4
a[0] = 2;
a[1] = 1; x[1] = 3;
a[2] = 1; x[2] = 4;
poly[8] = make_poly(&aux, a, x, 3); // 2 + x3 + x4
a[0] = 0;
a[1] = 1; x[1] = 3;
a[2] = 2; x[2] = 5;
poly[9] = make_poly(&aux, a, x, 3); // x3 + 2 * x5
delete_poly_buffer(&aux);
}
