smartshapes.h

/*
 * Copyright (C) 2026, Robert Patterson
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#pragma once
 
#include <optional>
#include <variant>
 
#include "denigma/classify/classifier_common.h"
#include "denigma/classify/general_lines.h"
#include "denigma/classify/keyboard_pedals.h"
#include "musx/musx.h"
#include "musx/util/Arpeggio.h"
 
namespace denigma {
namespace classify {
 
namespace smartshape {
 
struct Ottava
{
    int octaveShift{};
 
    musx::dom::MusxInstance<musx::dom::others::SmartShape> hiddenCounterpart;
 
    bool hasVisualProxy{};
 
    std::optional<GeneralLine> line;
 
    [[nodiscard]]
    bool calcIsSemanticCarrier() const noexcept
    { return !hiddenCounterpart; }
};
 
struct Crescendo
{
};
 
struct Decrescendo
{
};
 
struct Slur
{
    musx::dom::EntryInfoPtr startEntry;
    musx::dom::EntryInfoPtr endEntry;
    musx::dom::CurveContourDirection contour{ musx::dom::CurveContourDirection::Unspecified };
};
 
struct ArpeggiatedTie
{
    musx::dom::NoteInfoPtr tiedFrom;    
    musx::dom::NoteInfoPtr tiedTo;      
    musx::dom::CurveContourDirection contour{ musx::dom::CurveContourDirection::Unspecified };
};
 
struct NonArpeggio
{
    musx::util::ArpeggioSpanCandidate candidate;
};
 
struct KeyboardPedal
{
    enum class CapType
    {
        None,           
        Hook,           
        PedalDown,      
        PedalUp,        
        PedalChange     
    };
 
    GeneralLine line;                                       
    std::optional<KeyboardPedalClassification> startText;
    std::optional<KeyboardPedalClassification> continuationText;
    std::optional<KeyboardPedalClassification> endText;
    CapType startCap{};                                     
    CapType endCap{};                                       
 
    [[nodiscard]] bool isUnaCorda() const noexcept;
 
    [[nodiscard]] bool isSostPedal() const noexcept;
 
    [[nodiscard]] bool isSustainPedal() const noexcept;
};
 
struct TrillLine
{
    bool includesTrSymbol{};        
    std::optional<GeneralLine> line; 
};
 
struct VibratoLine
{
    GeneralLine line;               
};
 
} // namespace smartshape
 
using SmartShapeValue = std::variant<
    std::monostate,
    smartshape::Ottava,
    smartshape::Crescendo,
    smartshape::Decrescendo,
    smartshape::Slur,
    smartshape::ArpeggiatedTie,
    PseudoTie,
    smartshape::NonArpeggio,
    smartshape::KeyboardPedal,
    smartshape::TrillLine,
    smartshape::VibratoLine,
    smartshape::GeneralLine>;
 
struct SmartShapeClassification
{
    musx::dom::others::SmartShape::ShapeType shapeType{};
    SmartShapeValue value{};
 
    template <typename T>
    const T* as() const noexcept
    { return std::get_if<T>(&value); }
};
 
[[nodiscard]]
SmartShapeClassification classifySmartShape(
    const musx::dom::MusxInstance<musx::dom::others::SmartShape>& shape);
 
[[nodiscard]]
std::optional<smartshape::KeyboardPedal> classifyKeyboardPedalCustomLine(
    const musx::dom::MusxInstance<musx::dom::others::SmartShapeCustomLine>& customLine);
 
} // namespace classify
} // namespace denigma