// 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=d84fce292d86c7d9ef37ae2d179c03c7 REG_FIDDLE(Point_normalize_2, 256, 256, false, 0) { void draw(SkCanvas* canvas) { SkPaint paint; paint.setAntiAlias(true); const SkPoint lines[][2] = { {{ 30, 110 }, { 190, 30 }}, {{ 120, 140 }, { 30, 220 }}}; for (auto line : lines) { canvas->drawLine(line[0], line[1], paint); SkVector vector = line[1] - line[0]; if (vector.normalize()) { SkVector rotate90 = { -vector.fY, vector.fX }; rotate90 *= 10.f; canvas->drawLine(line[0] - rotate90, line[0] + rotate90, paint); canvas->drawLine(line[1] - rotate90, line[1] + rotate90, paint); } } } } // END FIDDLE