Cubic.cpp 1.1 KB

12345678910111213141516171819202122232425262728
  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=466445ed991d86de08587066392d654a
  5. REG_FIDDLE(Cubic, 256, 160, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkPaint paint;
  8. paint.setAntiAlias(true);
  9. paint.setStyle(SkPaint::kStroke_Style);
  10. SkPoint cubicPts[] = {{20, 150}, {90, 10}, {160, 150}, {230, 10}};
  11. SkColor colors[] = { 0xff88ff00, 0xff0088bb, 0xff6600cc, 0xffbb3377 };
  12. for (unsigned i = 0; i < SK_ARRAY_COUNT(colors); ++i) {
  13. paint.setColor(0x7fffffff & colors[i]);
  14. paint.setStrokeWidth(1);
  15. for (unsigned j = 0; j < 3; ++j) {
  16. canvas->drawLine(cubicPts[j], cubicPts[j + 1], paint);
  17. }
  18. SkPath path;
  19. path.moveTo(cubicPts[0]);
  20. path.cubicTo(cubicPts[1], cubicPts[2], cubicPts[3]);
  21. paint.setStrokeWidth(3);
  22. paint.setColor(colors[i]);
  23. canvas->drawPath(path, paint);
  24. cubicPts[1].fY += 30;
  25. cubicPts[2].fX += 30;
  26. }
  27. }
  28. } // END FIDDLE