symbollevels.h

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#ifndef OPENSWMM_RENDER_SYMBOLLEVELS_H
#define OPENSWMM_RENDER_SYMBOLLEVELS_H
 
#include "render/symbolstyle.h"
 
#include <QString>
#include <QVector>
 
namespace OpenSWMM::Render
{
 
inline constexpr const char *kSymbolLevelPropKey = "level";
 
[[nodiscard]] int symbolLayerLevel(const SymbolLayer &layer);
 
void setSymbolLayerLevel(SymbolLayer &layer, int level);
 
struct PaintStep
{
    int featureIndex      = 0;
    int symbolLayerIndex  = 0;
};
 
[[nodiscard]] inline bool operator==(const PaintStep &a, const PaintStep &b)
{
    return a.featureIndex == b.featureIndex
        && a.symbolLayerIndex == b.symbolLayerIndex;
}
 
[[nodiscard]] QVector<PaintStep>
computeSymbolLevelOrder(const QVector<SymbolStyle> &features,
                         bool enabled);
 
} // namespace OpenSWMM::Render
 
#endif // OPENSWMM_RENDER_SYMBOLLEVELS_H