2 * Copyright (c) 2021 - 2022 Samsung Electronics Co., Ltd. All rights reserved.
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4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
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8 * furnished to do so, subject to the following conditions:
9 * The above copyright notice and this permission notice shall be included in all
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20 #include "tvgIteratorAccessor.h"
22 /************************************************************************/
23 /* Internal Class Implementation */
24 /************************************************************************/
26 static bool accessChildren(Iterator* it, bool(*func)(const Paint* paint), IteratorAccessor& itrAccessor)
28 while (auto child = it->next()) {
30 if (!func(child)) return false;
32 //Access the children of the child
33 if (auto it2 = itrAccessor.iterator(child)) {
34 if (!accessChildren(it2, func, itrAccessor)) {
45 /************************************************************************/
46 /* External Class Implementation */
47 /************************************************************************/
49 unique_ptr<Picture> Accessor::access(unique_ptr<Picture> picture, bool(*func)(const Paint* paint)) noexcept
51 auto p = picture.get();
52 if (!p || !func) return picture;
54 //Use the Preorder Tree-Search
57 if (!func(p)) return picture;
60 IteratorAccessor itrAccessor;
61 if (auto it = itrAccessor.iterator(p)) {
62 accessChildren(it, func, itrAccessor);
81 unique_ptr<Accessor> Accessor::gen() noexcept
83 return unique_ptr<Accessor>(new Accessor);