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Named Fiddles
Skia Fiddle
Skia Version:
6ec1b3
void draw(SkCanvas* canvas) { auto addPoly = [](int sides, SkScalar size, SkPath* path) -> void { path->moveTo(size, 0); for (int i = 1; i < sides; i++) { SkScalar rad = SK_ScalarPI * 2 * i / sides; path->lineTo(SkScalarCos(rad) * size, SkScalarSin(rad) * size); } path->close(); }; SkPath path; path.incReserve(3 + 4 + 5 + 6 + 7 + 8 + 9); for (int sides = 3; sides < 10; ++sides) { addPoly(sides, sides, &path); } SkMatrix matrix; matrix.setScale(10, 10, -10, -10); path.transform(matrix); SkPaint paint; paint.setStyle(SkPaint::kStroke_Style); canvas->drawPath(path, paint); }
Skia API Documentation