Point_setLength_2.cpp 865 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=3cc0662b6fbbee1fe3442a0acfece22c
  5. REG_FIDDLE(Point_setLength_2, 256, 160, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkPaint paint;
  8. paint.setAntiAlias(true);
  9. const SkPoint points[] = { { 60, -110 }, { 90, 10 }, { 120, -110 }, { 180, -50 } };
  10. const SkPoint origin = {0, 0};
  11. canvas->translate(30, 140);
  12. for (auto point : points) {
  13. paint.setStrokeWidth(1);
  14. paint.setColor(SK_ColorBLACK);
  15. canvas->drawLine(origin, point, paint);
  16. SkVector normal;
  17. normal.setLength(point.fX, point.fY, 100);
  18. paint.setStrokeWidth(10);
  19. paint.setColor(0x3fbf4512);
  20. canvas->drawLine(origin, normal, paint);
  21. }
  22. }
  23. } // END FIDDLE