1cb93a386Sopenharmony_ci/*
2cb93a386Sopenharmony_ci * Copyright 2012 Google Inc.
3cb93a386Sopenharmony_ci *
4cb93a386Sopenharmony_ci * Use of this source code is governed by a BSD-style license that can be
5cb93a386Sopenharmony_ci * found in the LICENSE file.
6cb93a386Sopenharmony_ci */
7cb93a386Sopenharmony_ci
8cb93a386Sopenharmony_ci#include "include/utils/SkNullCanvas.h"
9cb93a386Sopenharmony_ci
10cb93a386Sopenharmony_ci#include "include/core/SkCanvas.h"
11cb93a386Sopenharmony_ci#include "include/utils/SkNWayCanvas.h"
12cb93a386Sopenharmony_ci
13cb93a386Sopenharmony_cistd::unique_ptr<SkCanvas> SkMakeNullCanvas() {
14cb93a386Sopenharmony_ci    // An N-Way canvas forwards calls to N canvas's. When N == 0 it's
15cb93a386Sopenharmony_ci    // effectively a null canvas.
16cb93a386Sopenharmony_ci    return std::unique_ptr<SkCanvas>(new SkNWayCanvas(0, 0));
17cb93a386Sopenharmony_ci}
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