describe('PathKit\'s Pathops', function() {
// Note, don't try to print the PathKit object - it can cause Karma/Jasmine to lock up.
var PathKit = null;
const LoadPathKit = new Promise(function(resolve, reject) {
if (PathKit) {
resolve();
} else {
PathKitInit({
locateFile: (file) => '/pathkit/'+file,
}).ready().then((_PathKit) => {
PathKit = _PathKit;
resolve();
});
}
});
// see https://fiddle.skia.org/c/@discrete_path
function drawStar(X=128, Y=128, R=116) {
let p = PathKit.NewPath();
p.moveTo(X + R, Y);
for (let i = 1; i < 8; i++) {
let a = 2.6927937 * i;
p.lineTo(X + R * Math.cos(a), Y + R * Math.sin(a));
}
p.closePath();
return p;
}
it('pathops_simplify', function(done) {
function setup(ctx) {
ctx.path = drawStar();
}
function test(ctx) {
let path = ctx.path.copy().simplify();
path.delete();
}
function teardown(ctx) {
ctx.path.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_simplify', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
it('pathops_diff', function(done) {
function setup(ctx) {
// Values chosen abitrarily to have some overlap and some not.
ctx.path1 = drawStar(X=120, Y=120);
ctx.path2 = drawStar(X=140, Y=145);
}
function test(ctx) {
let path = PathKit.MakeFromOp(ctx.path1, ctx.path2, PathKit.PathOp.DIFFERENCE);
path.delete();
}
function teardown(ctx) {
ctx.path1.delete();
ctx.path2.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_diff', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
it('pathops_intersect', function(done) {
function setup(ctx) {
// Values chosen abitrarily to have some overlap and some not.
ctx.path1 = drawStar(X=120, Y=120);
ctx.path2 = drawStar(X=140, Y=145);
}
function test(ctx) {
let path = PathKit.MakeFromOp(ctx.path1, ctx.path2, PathKit.PathOp.INTERSECT);
path.delete();
}
function teardown(ctx) {
ctx.path1.delete();
ctx.path2.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_intersect', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
it('pathops_union', function(done) {
function setup(ctx) {
// Values chosen abitrarily to have some overlap and some not.
ctx.path1 = drawStar(X=120, Y=120);
ctx.path2 = drawStar(X=140, Y=145);
}
function test(ctx) {
let path = PathKit.MakeFromOp(ctx.path1, ctx.path2, PathKit.PathOp.UNION);
path.delete();
}
function teardown(ctx) {
ctx.path1.delete();
ctx.path2.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_union', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
it('pathops_xor', function(done) {
function setup(ctx) {
// Values chosen abitrarily to have some overlap and some not.
ctx.path1 = drawStar(X=120, Y=120);
ctx.path2 = drawStar(X=140, Y=145);
}
function test(ctx) {
let path = PathKit.MakeFromOp(ctx.path1, ctx.path2, PathKit.PathOp.XOR);
path.delete();
}
function teardown(ctx) {
ctx.path1.delete();
ctx.path2.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_xor', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
it('pathops_reverse_diff', function(done) {
function setup(ctx) {
// Values chosen abitrarily to have some overlap and some not.
ctx.path1 = drawStar(X=120, Y=120);
ctx.path2 = drawStar(X=140, Y=145);
}
function test(ctx) {
let path = PathKit.MakeFromOp(ctx.path1, ctx.path2, PathKit.PathOp.REVERSE_DIFFERENCE);
path.delete();
}
function teardown(ctx) {
ctx.path1.delete();
ctx.path2.delete();
}
LoadPathKit.then(() => {
benchmarkAndReport('pathops_reverse_diff', setup, test, teardown).then(() => {
done();
}).catch(reportError(done));
});
});
});