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API: enable users to use an accessor to traverse Scene

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remove the restriction of targeting only Picture.
now, any kind of paints can be adaptable here.
This commit is contained in:
Hermet Park 2024-12-26 13:48:26 +09:00 • committed by Mira Grudzinska
parent a5f67ee92c
commit b59c7a0bee
2 changed files with 7 additions and 7 deletions
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4
inc/thorvg.h
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@ -2113,7 +2113,7 @@ public:
/** /**
* @brief Set the access function for traversing the Picture scene tree nodes. * @brief Set the access function for traversing the Picture scene tree nodes.
* *
* @param[in] picture The picture node to traverse the internal scene-tree. * @param[in] paint The paint node to traverse the internal scene-tree.
* @param[in] func The callback function calling for every paint nodes of the Picture. * @param[in] func The callback function calling for every paint nodes of the Picture.
* @param[in] data Data passed to the @p func as its argument. * @param[in] data Data passed to the @p func as its argument.
* *
@ -2121,7 +2121,7 @@ public:
* *
* @note Experimental API * @note Experimental API
*/ */
Result set(const Picture* picture, std::function<bool(const Paint* paint, void* data)> func, void* data) noexcept; Result set(Paint* paint, std::function<bool(const Paint* paint, void* data)> func, void* data) noexcept;
/** /**
* @brief Generate a unique ID (hash key) from a given name. * @brief Generate a unique ID (hash key) from a given name.

10
src/renderer/tvgAccessor.cpp
View file

@ -64,17 +64,17 @@ TVG_DEPRECATED unique_ptr<Picture> Accessor::set(unique_ptr<Picture> picture, fu
} }
Result Accessor::set(const Picture* picture, function<bool(const Paint* paint, void* data)> func, void* data) noexcept Result Accessor::set(Paint* paint, function<bool(const Paint* paint, void* data)> func, void* data) noexcept
{ {
if (!picture || !func) return Result::InvalidArguments; if (!paint || !func) return Result::InvalidArguments;
//Use the Preorder Tree-Search //Use the Preorder Tree-Searc
//Root //Root
if (!func(picture, data)) return Result::Success; if (!func(paint, data)) return Result::Success;
//Children //Children
if (auto it = IteratorAccessor::iterator(picture)) { if (auto it = IteratorAccessor::iterator(paint)) {
accessChildren(it, func, data); accessChildren(it, func, data);
delete(it); delete(it);
} }