xref: /third_party/skia/docs/examples/Path_readFromMemory.cpp (revision cb93a386)
  • Home
  • History
  • Annotate Annotate
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
  • only in /third_party/skia/docs/examples/
1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=9c6edd836c573a0fd232d2b8aa11a678
5cb93a386Sopenharmony_ciREG_FIDDLE(Path_readFromMemory, 256, 256, true, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    SkPath path, copy;
8cb93a386Sopenharmony_ci    path.lineTo(6.f / 7, 2.f / 3);
9cb93a386Sopenharmony_ci    size_t size = path.writeToMemory(nullptr);
10cb93a386Sopenharmony_ci    SkTDArray<char> storage;
11cb93a386Sopenharmony_ci    storage.setCount(size);
12cb93a386Sopenharmony_ci    path.writeToMemory(storage.begin());
13cb93a386Sopenharmony_ci    size_t wrongSize = size - 4;
14cb93a386Sopenharmony_ci    size_t bytesRead = copy.readFromMemory(storage.begin(), wrongSize);
15cb93a386Sopenharmony_ci    SkDebugf("length = %zu; returned by readFromMemory = %zu\n", wrongSize, bytesRead);
16cb93a386Sopenharmony_ci    size_t largerSize = size + 4;
17cb93a386Sopenharmony_ci    bytesRead = copy.readFromMemory(storage.begin(), largerSize);
18cb93a386Sopenharmony_ci    SkDebugf("length = %zu; returned by readFromMemory = %zu\n", largerSize, bytesRead);
19cb93a386Sopenharmony_ci}
20cb93a386Sopenharmony_ci}  // END FIDDLE
21

Indexes created Thu Nov 07 10:32:03 CST 2024