Anti_Alias.cpp 937 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=a6575a49467ce8d28bb01cc7638fa04d
  5. REG_FIDDLE(Anti_Alias, 512, 256, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkBitmap bitmap;
  8. bitmap.allocN32Pixels(50, 50);
  9. SkCanvas offscreen(bitmap);
  10. SkPaint paint;
  11. paint.setStyle(SkPaint::kStroke_Style);
  12. paint.setStrokeWidth(10);
  13. for (bool antialias : { false, true }) {
  14. paint.setColor(antialias ? SK_ColorRED : SK_ColorBLUE);
  15. paint.setAntiAlias(antialias);
  16. bitmap.eraseColor(0);
  17. offscreen.drawLine(5, 5, 15, 30, paint);
  18. canvas->drawLine(5, 5, 15, 30, paint);
  19. canvas->save();
  20. canvas->scale(10, 10);
  21. canvas->drawBitmap(bitmap, antialias ? 12 : 0, 0);
  22. canvas->restore();
  23. canvas->translate(15, 0);
  24. }
  25. }
  26. } // END FIDDLE