111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
#ifndef LLMR_STYLE_STYLE
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#define LLMR_STYLE_STYLE
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#include <cstdint>
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#include <llmr/util/pbf.hpp>
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#include <llmr/style/bucket_description.hpp>
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#include <llmr/style/layer_description.hpp>
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#include <llmr/style/class_description.hpp>
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#include <llmr/geometry/sprite_atlas.hpp>
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#include <llmr/util/transition.hpp>
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#include <llmr/util/uv.hpp>
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#include <map>
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#include <unordered_map>
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#include <vector>
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#include <set>
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#include <memory>
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namespace llmr {
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class Sprite;
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class Style {
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public:
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struct exception : std::runtime_error { exception(const char *msg) : std::runtime_error(msg) {} };
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public:
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Style();
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void reset();
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void loadJSON(const uint8_t *const data, size_t bytes);
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size_t layerCount() const;
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void cascade(float z);
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bool needsTransition() const;
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void updateTransitions(time now);
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void cancelTransitions();
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void setDefaultTransitionDuration(uint64_t duration = 0);
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public:
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std::shared_ptr<Sprite> sprite;
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// This is static information parsed from the stylesheet.
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std::map<std::string, BucketDescription> buckets;
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std::vector<LayerDescription> layers;
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std::map<std::string, ClassDescription> classes;
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// Currently applied settings.
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std::set<std::string> appliedClasses;
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struct {
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BackgroundProperties background;
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std::unordered_map<std::string, FillProperties> fills;
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std::unordered_map<std::string, LineProperties> lines;
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std::unordered_map<std::string, IconProperties> icons;
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std::unordered_map<std::string, TextProperties> texts;
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std::unordered_map<std::string, RasterProperties> rasters;
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std::unordered_map<std::string, CompositeProperties> composites;
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std::unordered_map<std::string, std::unordered_map<TransitionablePropertyKey, std::string>> effective_classes;
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} computed;
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private:
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bool transitionInProgress(const std::string &layer_name, TransitionablePropertyKey key, time start);
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bool transitionExists(const std::string &layer_name, TransitionablePropertyKey key) const;
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bool inNeedOfTransition(const std::string &layer_name, TransitionablePropertyKey key) const;
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uint64_t transitionDuration(const std::string &layer_name, TransitionablePropertyKey key) const;
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uint64_t transitionDelay(const std::string &layer_name, TransitionablePropertyKey key) const;
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void cascadeProperties(GenericProperties &properties, const GenericClass& klass, const std::string& layer_name, const std::string& class_name, float z);
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private:
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// Last applied settings.
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struct {
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BackgroundProperties background;
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std::unordered_map<std::string, FillProperties> fills;
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std::unordered_map<std::string, LineProperties> lines;
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std::unordered_map<std::string, IconProperties> icons;
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std::unordered_map<std::string, TextProperties> texts;
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std::unordered_map<std::string, RasterProperties> rasters;
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std::unordered_map<std::string, CompositeProperties> composites;
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std::unordered_map<std::string, std::unordered_map<TransitionablePropertyKey, std::string>> effective_classes;
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} previous;
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// Settings values currently being transitioned.
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struct {
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BackgroundProperties background;
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std::unordered_map<std::string, FillProperties> fills;
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std::unordered_map<std::string, LineProperties> lines;
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std::unordered_map<std::string, IconProperties> icons;
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std::unordered_map<std::string, TextProperties> texts;
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std::unordered_map<std::string, RasterProperties> rasters;
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std::unordered_map<std::string, CompositeProperties> composites;
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} transitioning;
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std::unordered_map<std::string, std::unordered_map<TransitionablePropertyKey, PropertyTransition>> properties_to_transition;
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std::unordered_map<std::string, std::unordered_map<TransitionablePropertyKey, std::shared_ptr<util::transition>>> transitions;
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uint64_t default_transition_duration = 0;
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bool initial_render_complete = false;
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mutable uv::rwlock mtx;
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};
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}
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#endif |