mirror of
https://github.com/projectM-visualizer/projectm.git
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14f4bcac65
This will make it easier to integrate projectM into C applications and also removes potential issues of STL/C++ version differences between host and library. Changed visibility of all symbols except the C API to "hidden". This effectively prevents the C++ API from being used in the shared library. Added an option "ENABLE_CXX_INTERFACE" to re-enable the old export behaviour, displaying a prominent author warning after configuring the build if enabled.
114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
#ifndef __PRESET_LOADER_HPP
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#define __PRESET_LOADER_HPP
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#include <string> // used for path / filename stuff
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#include <memory> // for auto pointers
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#include <sys/types.h>
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#include <vector>
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#include <map>
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#include "PresetFactoryManager.hpp"
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#include "FileScanner.hpp"
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class Preset;
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class PresetFactory;
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typedef std::size_t PresetIndex;
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class PresetLoader {
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public:
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/// Initializes the preset loader with the target directory specified
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PresetLoader(int gx, int gy, std::string dirname);
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~PresetLoader();
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/// Load a preset by specifying its unique identifier given when the preset url
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/// was added to this loader
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std::unique_ptr<Preset> loadPreset(PresetIndex index) const;
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std::unique_ptr<Preset> loadPreset ( const std::string & url ) const;
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/// Add a preset to the loader's collection.
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/// \param url an url referencing the preset
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/// \param presetName a name for the preset
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/// \param ratings an list representing the goodness ratings
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/// \returns The unique index assigned to the preset in the collection. Used with loadPreset
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unsigned long addPresetURL(const std::string & url, const std::string & presetName, const RatingList & ratings);
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/// Add a preset to the loader's collection.
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/// \param index insertion index
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/// \param url an url referencing the preset
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/// \param presetName a name for the preset
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/// \param ratings an list representing the goodness ratings
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void insertPresetURL (PresetIndex index, const std::string & url, const std::string & presetName, const RatingList & ratings);
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/// Clears all presets from the collection
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inline void clear() {
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_entries.clear(); _presetNames.clear();
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_ratings = std::vector<RatingList>(TOTAL_RATING_TYPES, RatingList());
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clearRatingsSum();
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}
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inline void clearRatingsSum() {
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_ratingsSums = std::vector<int>(TOTAL_RATING_TYPES, 0);
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}
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const std::vector<RatingList> & getPresetRatings() const;
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const std::vector<int> & getPresetRatingsSums() const;
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/// Removes a preset from the loader
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/// \param index the unique identifier of the preset url to be removed
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void removePreset(PresetIndex index);
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/// Sets the rating of a preset to a new value
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void setRating(PresetIndex index, int rating, const PresetRatingType ratingType);
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/// Get a preset rating given an index
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int getPresetRating ( PresetIndex index, const PresetRatingType ratingType) const;
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/// Get a preset url given an index
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const std::string & getPresetURL ( PresetIndex index) const;
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/// Get a preset name given an index
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const std::string & getPresetName ( PresetIndex index) const;
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/// Get vector of preset names
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const std::vector<std::string> & getPresetNames() const;
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/// Get the preset index given a name
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unsigned int getPresetIndex(const std::string& name) const;
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/// Returns the number of presets in the active directory
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inline std::size_t size() const {
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return _entries.size();
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}
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/// Sets the directory where the loader will search for files
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void setScanDirectory(std::string pathname);
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/// Returns the directory path associated with this preset chooser
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inline const std::string & directoryName() const {
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return _dirname;
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}
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/// Rescans the active preset directory
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void rescan();
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void setPresetName(PresetIndex index, std::string name);
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protected:
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void addScannedPresetFile(const std::string &path, const std::string &name);
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std::string _dirname;
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std::vector<int> _ratingsSums;
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mutable PresetFactoryManager _presetFactoryManager;
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// vector chosen for speed, but not great for reverse index lookups
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std::vector<std::string> _entries;
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std::vector<std::string> _presetNames;
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// Indexed by ratingType, preset position.
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std::vector<RatingList> _ratings;
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FileScanner fileScanner;
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};
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#endif
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