Skia Fiddle

void draw(SkCanvas* canvas) {
    canvas->clear(SkColorSetARGB(255,255,255,255));
    SkPaint ovalPaint;
    ovalPaint.setAntiAlias(true);
    ovalPaint.setStyle(SkPaint::kStroke_Style);
    SkPaint arcPaint(ovalPaint);
    arcPaint.setStrokeWidth(5);
    arcPaint.setColor(SK_ColorBLUE);
    SkRect oval = {8, 8, 56, 56};

canvas->drawOval(oval, ovalPaint);
    SkPath arcPath;
    arcPath.arcTo(oval, 0, 90, false);
    canvas->drawPath(arcPath, arcPaint);

canvas->translate(64, 0);
    canvas->drawOval(oval, ovalPaint);
    canvas->drawArc(oval, 0, 90, false, arcPaint);

canvas->translate(64, 0);
    canvas->drawOval(oval, ovalPaint);
    arcPath.reset();
    arcPath.addArc(oval, 0, 90);
    canvas->drawPath(arcPath, arcPaint);

canvas->translate(-96, 64);
    canvas->drawOval(oval, ovalPaint);
    arcPath.reset();
    arcPath.moveTo({56, 32});
    arcPath.arcTo({56, 56}, {32, 56}, 24);
    canvas->drawPath(arcPath, arcPaint);

canvas->translate(64, 0);
    canvas->drawOval(oval, ovalPaint);
    arcPath.reset();
    arcPath.moveTo({56, 32});
    arcPath.arcTo({24, 24}, 0, SkPath::kSmall_ArcSize, SkPath::kCW_Direction, {32, 56});
    canvas->drawPath(arcPath, arcPaint);
}

Skia API Documentation