// 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 "fiddle/examples.h" // HASH=00ae8984856486bdb626d0ed6587855a REG_FIDDLE(Path_Iter_next, 256, 256, true, 0) { void draw(SkCanvas* canvas) { auto debugster = [](const char* prefix, const SkPath& path, bool degen, bool exact) -> void { SkPath::Iter iter(path, false); SkDebugf("%s:\n", prefix); const char* verbStr[] = { "Move", "Line", "Quad", "Conic", "Cubic", "Close", "Done" }; const int pointCount[] = { 1 , 2 , 3 , 3 , 4 , 1 , 0 }; SkPath::Verb verb; do { SkPoint points[4]; verb = iter.next(points, degen, exact); SkDebugf("k%s_Verb ", verbStr[(int) verb]); for (int i = 0; i < pointCount[(int) verb]; ++i) { SkDebugf("{%1.8g, %1.8g}, ", points[i].fX, points[i].fY); } SkDebugf("\n"); } while (SkPath::kDone_Verb != verb); SkDebugf("\n"); }; SkPath path; path.moveTo(10, 10); path.moveTo(20, 20); path.quadTo(10, 20, 30, 40); path.moveTo(1, 1); path.close(); path.moveTo(30, 30); path.lineTo(30, 30); path.moveTo(30, 30); path.lineTo(30.00001f, 30); debugster("skip degenerate", path, true, false); debugster("skip degenerate if exact", path, true, true); debugster("skip none", path, false, false); } } // END FIDDLE