svg_dom_cache.hpp

Go to the documentation of this file.

#pragma once

 
#ifdef PULP_HAS_SKIA
 
#include <cstddef>
#include <cstdint>
#include <functional>
#include <string>
 
#include "include/core/SkRefCnt.h"
 
class SkSVGDOM;
 
namespace pulp::canvas {
 
class SvgDomCache {
public:
    static SvgDomCache& instance();

    sk_sp<SkSVGDOM> get_or_build(const std::string& svg_document);

    sk_sp<SkSVGDOM> get_or_build(
        const std::string& svg_document,
        const std::function<sk_sp<SkSVGDOM>()>& build);
 
    struct Stats {
        std::uint64_t hits = 0;    
        std::uint64_t builds = 0;  
        std::size_t size = 0;      
    };
    Stats stats() const;
    void reset_stats();
    void clear();

    void set_enabled(bool enabled);
    bool enabled() const;
 
    void set_capacity(std::size_t capacity);
 
private:
    SvgDomCache() = default;
    struct Impl;
    // Defined in svg_dom_cache.cpp; stateful members live there to keep this
    // header free of <mutex>/<list>/<unordered_map> and the full SkSVGDOM type.
    static Impl& impl();
};
 
}  // namespace pulp::canvas
 
#endif  // PULP_HAS_SKIA