subsurface/stats/zvalues.h

// SPDX-License-Identifier: GPL-2.0
// Defines the z-values of features in the chart view.
// Objects with higher z-values are painted on top of objects
// with smaller z-values. For the same z-value objects are
// drawn in order of addition to the scene.
#ifndef ZVALUES_H
#define ZVALUES_H

// Encapsulating an enum in a struct is stupid, but allows us
// to not poison the namespace and yet autoconvert to int
// (in constrast to enum class). enum is so broken!
struct ChartZValue {
	enum ZValues {
		Grid = 0,
		Series,
		Axes,
		SeriesLabels,
		ChartFeatures,	// quartile markers and regression lines
		Selection,
		InformationBox,
		Legend,
		Count
	};
};

#endif