Path_Iter_setPath.cpp 1.3 KB

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  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=6c9688008cea8937ad5cc188b38ecf16
  5. REG_FIDDLE(Path_Iter_setPath, 256, 256, true, 0) {
  6. void draw(SkCanvas* canvas) {
  7. auto debugster = [](const char* prefix, SkPath::Iter& iter) -> void {
  8. SkDebugf("%s:\n", prefix);
  9. const char* verbStr[] = { "Move", "Line", "Quad", "Conic", "Cubic", "Close", "Done" };
  10. const int pointCount[] = { 1 , 2 , 3 , 3 , 4 , 1 , 0 };
  11. SkPath::Verb verb;
  12. do {
  13. SkPoint points[4];
  14. verb = iter.next(points);
  15. SkDebugf("k%s_Verb ", verbStr[(int) verb]);
  16. for (int i = 0; i < pointCount[(int) verb]; ++i) {
  17. SkDebugf("{%g, %g}, ", points[i].fX, points[i].fY);
  18. }
  19. if (SkPath::kConic_Verb == verb) {
  20. SkDebugf("weight = %g", iter.conicWeight());
  21. }
  22. SkDebugf("\n");
  23. } while (SkPath::kDone_Verb != verb);
  24. SkDebugf("\n");
  25. };
  26. SkPath path;
  27. path.quadTo(10, 20, 30, 40);
  28. SkPath::Iter iter(path, false);
  29. debugster("quad open", iter);
  30. SkPath path2;
  31. path2.conicTo(1, 2, 3, 4, .5f);
  32. iter.setPath(path2, true);
  33. debugster("conic closed", iter);
  34. }
  35. } // END FIDDLE