symbollayer.h

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#ifndef OPENSWMM_RENDER_SYMBOLLAYER_H
#define OPENSWMM_RENDER_SYMBOLLAYER_H
 
#include <QJsonObject>
#include <QMap>
#include <QString>
#include <QVariantMap>
 
namespace OpenSWMM::Render
{
 
enum class SymbolLayerKind
{
    SimpleMarker,       
    SimpleLine,         
    SimpleFill,         
    MarkerLine,         
    HatchFill,          
    PatternFill,        
    SvgMarker,          
    FontMarker,         
    // ── Slice Z.6 — Raster + TIN paint passes ─────────────────────────
    RasterColorRamp,    
    Hillshade,          
    Contour,            
    MeshEdge,           
    MeshNode,           
    // Slice AN.1 — 2D results velocity field. The Rule's SymbolLayer
    // carries glyph length / spacing / color / dryDepth cutoff; the
    // painter (SWMM2DVelocityArrowsItem) re-samples per frame via the
    // matching VelocityVectorSymbolLayerSpec. See
    // docs/RENDERING_2D_RESULTS_STYLING_PLAN.md.
    VectorGlyph         
};
 
[[nodiscard]] QString symbolLayerKindToString(SymbolLayerKind kind);
 
[[nodiscard]] SymbolLayerKind symbolLayerKindFromString(const QString &s);
 
struct SymbolLayer
{
    SymbolLayerKind        kind = SymbolLayerKind::SimpleMarker;
    QVariantMap            props;                  
    QMap<QString, QString> dataDefinedOverrides;   
    [[nodiscard]] QJsonObject toJson() const;
    void fromJson(const QJsonObject &j);
};
 
} // namespace OpenSWMM::Render
 
#endif // OPENSWMM_RENDER_SYMBOLLAYER_H