// Copyright 2019 Google LLC. // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. #include "tools/fiddle/examples.h" // HASH=e626e26bf557857b824aa7d03f723e0f REG_FIDDLE(IPoint_subtract_operator, 256, 64, false, 0) { void draw(SkCanvas* canvas) { auto draw_lines = [=](const SkIPoint pts[], size_t count, SkPaint& paint) -> void { for (size_t i = 0; i < count - 1; ++i) { SkPoint p0, p1; p0.iset(pts[i]); p1.iset(pts[i + 1]); canvas->drawLine(p0, p1, paint); } }; SkIPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 } }; SkPaint paint; paint.setAntiAlias(true); paint.setStyle(SkPaint::kStroke_Style); canvas->scale(30, 15); draw_lines(points, std::size(points), paint); points[1] += points[0] - points[3]; points[2] -= points[1] - points[0]; paint.setColor(SK_ColorRED); draw_lines(points, std::size(points), paint); } } // END FIDDLE