Path_readFromMemory.cpp 890 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=9c6edd836c573a0fd232d2b8aa11a678
  5. REG_FIDDLE(Path_readFromMemory, 256, 256, true, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkPath path, copy;
  8. path.lineTo(6.f / 7, 2.f / 3);
  9. size_t size = path.writeToMemory(nullptr);
  10. SkTDArray<char> storage;
  11. storage.setCount(size);
  12. path.writeToMemory(storage.begin());
  13. size_t wrongSize = size - 4;
  14. size_t bytesRead = copy.readFromMemory(storage.begin(), wrongSize);
  15. SkDebugf("length = %u; returned by readFromMemory = %u\n", wrongSize, bytesRead);
  16. size_t largerSize = size + 4;
  17. bytesRead = copy.readFromMemory(storage.begin(), largerSize);
  18. SkDebugf("length = %u; returned by readFromMemory = %u\n", largerSize, bytesRead);
  19. }
  20. } // END FIDDLE