28 lines
964 B
C++
28 lines
964 B
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=f2260f2a170a54aef5bafe5b91c121b3
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REG_FIDDLE(Path_incReserve, 256, 192, false, 0) {
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void draw(SkCanvas* canvas) {
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auto addPoly = [](int sides, SkScalar size, SkPath* path) -> void {
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path->moveTo(size, 0);
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for (int i = 1; i < sides; i++) {
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SkScalar rad = SK_ScalarPI * 2 * i / sides;
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path->lineTo(SkScalarCos(rad) * size, SkScalarSin(rad) * size);
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}
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path->close();
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};
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SkPath path;
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path.incReserve(3 + 4 + 5 + 6 + 7 + 8 + 9);
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for (int sides = 3; sides < 10; ++sides) {
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addPoly(sides, sides, &path);
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}
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SkMatrix matrix;
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matrix.setScale(10, 10, -10, -10);
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path.transform(matrix);
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawPath(path, paint);
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}
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} // END FIDDLE
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