1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4// HASH=b6c4943ecd0b2dccf9d220b8944009e0
5REG_FIDDLE(Point_subtract_operator, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7    SkPaint paint;
8    paint.setAntiAlias(true);
9    SkPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
10                         { 6, 4 }, { 7, 5 }, { 5, 7 },
11                         { 4, 6 }, { 3, 7 }, { 1, 5 },
12                         { 2, 4 }, { 1, 3 }, { 3, 1 } };
13    canvas->scale(30, 15);
14    paint.setStyle(SkPaint::kStroke_Style);
15    canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(points), points, paint);
16    points[1] += points[0] - points[2];
17    points[2] -= points[3] - points[5];
18    paint.setColor(SK_ColorRED);
19    canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(points), points, paint);
20}
21}  // END FIDDLE
22