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=be9574c4a14f891e1abb4ec2b1e51d6c
5cb93a386Sopenharmony_ciREG_FIDDLE(Surface_notifyContentWillChange, 256, 256, true, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    auto surface = SkSurface::MakeRasterN32Premul(1, 1);
8cb93a386Sopenharmony_ci    for (int i = 0; i < 3; ++i) {
9cb93a386Sopenharmony_ci        SkDebugf("surface generationID: %d\n", surface->generationID());
10cb93a386Sopenharmony_ci        if (0 == i) {
11cb93a386Sopenharmony_ci            surface->getCanvas()->drawColor(SK_ColorBLACK);
12cb93a386Sopenharmony_ci        } else {
13cb93a386Sopenharmony_ci            surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
14cb93a386Sopenharmony_ci        }
15cb93a386Sopenharmony_ci    }
16cb93a386Sopenharmony_ci}
17cb93a386Sopenharmony_ci}  // END FIDDLE
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