Matrix_equal_operator.cpp 698 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=3902859150b0f0c4aeb1f25d00434baa
  5. REG_FIDDLE(Matrix_equal_operator, 256, 256, true, 0) {
  6. void draw(SkCanvas* canvas) {
  7. auto debugster = [](const char* prefix, const SkMatrix& a, const SkMatrix& b) -> void {
  8. SkDebugf("%s: a %c= b a.cheapEqualTo(b): %s\n", prefix,
  9. a == b ? '=' : '!', a.cheapEqualTo(b) ? "true" : "false");
  10. };
  11. SkMatrix a, b;
  12. a.setAll(1, 0, 0, 0, 1, 0, 0, 0, 1);
  13. b.setScale(2, 4);
  14. b.postScale(0.5f, 0.25f);
  15. debugster("identity", a, b);
  16. }
  17. } // END FIDDLE