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
5 REG_FIDDLE(Point_subtract_operator, 256, 256, false, 0) {
draw(SkCanvas * canvas)6 void 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