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=32d51e959d6cc720a74ec4822511e2cd
5cb93a386Sopenharmony_ciREG_FIDDLE(Region_Iterator_rewind, 256, 256, true, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    auto debugster = [](const char* label, SkRegion::Iterator& iter, bool addRewind) -> void {
8cb93a386Sopenharmony_ci        if (addRewind) {
9cb93a386Sopenharmony_ci            bool success = iter.rewind();
10cb93a386Sopenharmony_ci            SkDebugf("%14s rewind success=%s\n", label, success ? "true" : "false");
11cb93a386Sopenharmony_ci        }
12cb93a386Sopenharmony_ci        auto r = iter.rect();
13cb93a386Sopenharmony_ci        SkDebugf("%14s rect={%d,%d,%d,%d}\n", label, r.fLeft, r.fTop, r.fRight, r.fBottom);
14cb93a386Sopenharmony_ci    };
15cb93a386Sopenharmony_ci    SkRegion::Iterator iter;
16cb93a386Sopenharmony_ci    debugster("empty iter", iter, true);
17cb93a386Sopenharmony_ci    SkRegion region;
18cb93a386Sopenharmony_ci    iter.reset(region);
19cb93a386Sopenharmony_ci    debugster("empty region", iter, true);
20cb93a386Sopenharmony_ci    region.setRect({1, 2, 3, 4});
21cb93a386Sopenharmony_ci    iter.reset(region);
22cb93a386Sopenharmony_ci    debugster("after set rect", iter, false);
23cb93a386Sopenharmony_ci    debugster("after rewind", iter, true);
24cb93a386Sopenharmony_ci}
25cb93a386Sopenharmony_ci}  // END FIDDLE
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