Path_conicTo.cpp 974 B

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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=358d9b6060b528b0923c007420f09c13
  5. REG_FIDDLE(Path_conicTo, 256, 160, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkPaint paint;
  8. paint.setAntiAlias(true);
  9. paint.setStyle(SkPaint::kStroke_Style);
  10. SkPoint conicPts[] = {{20, 150}, {120, 10}, {220, 150}};
  11. canvas->drawLine(conicPts[0], conicPts[1], paint);
  12. canvas->drawLine(conicPts[1], conicPts[2], paint);
  13. SkColor colors[] = { 0xff88ff00, 0xff0088bb, 0xff6600cc, 0xffbb3377 };
  14. paint.setStrokeWidth(3);
  15. SkScalar weight = 0.5f;
  16. for (unsigned i = 0; i < SK_ARRAY_COUNT(colors); ++i) {
  17. SkPath path;
  18. path.moveTo(conicPts[0]);
  19. path.conicTo(conicPts[1], conicPts[2], weight);
  20. paint.setColor(colors[i]);
  21. canvas->drawPath(path, paint);
  22. weight += 0.25f;
  23. }
  24. }
  25. } // END FIDDLE