typescale.h

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// Copyright (C) 2025 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
// SPDX-License-Identifier: MPL-2.0
 
#pragma once
 
#include <QFont>
#include <QQmlEngine>
 
#include "style.h"
 
namespace Fluid {
 
struct TypeScaleValue
{
    Q_GADGET
    QML_ELEMENT
    QML_VALUE_TYPE(typescale)
 
    Q_PROPERTY(Style::TypeFace face MEMBER face CONSTANT FINAL)
    Q_PROPERTY(qint32 fontSize MEMBER fontSize CONSTANT FINAL)
    Q_PROPERTY(qint32 lineHeight MEMBER lineHeight CONSTANT FINAL)
    Q_PROPERTY(QFont::Weight fontWeight MEMBER fontWeight CONSTANT FINAL)
    Q_PROPERTY(qreal tracking MEMBER tracking CONSTANT FINAL)
    Q_PROPERTY(qint32 wght READ wght CONSTANT FINAL)
    Q_PROPERTY(qint32 grad READ grad CONSTANT FINAL)
    Q_PROPERTY(qint32 wdth READ wdth CONSTANT FINAL)
    Q_PROPERTY(qint32 rond READ rond CONSTANT FINAL)
    Q_PROPERTY(qint32 opsz READ opsz CONSTANT FINAL)
    Q_PROPERTY(qint32 crsv READ crsv CONSTANT FINAL)
    Q_PROPERTY(qint32 slnt READ slnt CONSTANT FINAL)
    Q_PROPERTY(qint32 fill READ fill CONSTANT FINAL)
    Q_PROPERTY(qint32 hexp READ hexp CONSTANT FINAL)
public:
    Style::TypeFace face = Style::TypeFace::Plain;
    qint32 fontSize = 14;
    qint32 lineHeight = 24;
    QFont::Weight fontWeight = QFont::Weight::Normal;
    qreal tracking = 0.0;
 
    qint32 wght() const
    {
        return static_cast<qint32>(fontWeight);
    }
 
    qint32 grad() const
    {
        return 0;
    }
 
    qint32 wdth() const
    {
        return 100;
    }
 
    qint32 rond() const
    {
        return 0;
    }
 
    qint32 opsz() const
    {
        return fontSize;
    }
 
    qint32 crsv() const
    {
        return 0;
    }
 
    qint32 slnt() const
    {
        return 0;
    }
 
    qint32 fill() const
    {
        return 0;
    }
 
    qint32 hexp() const
    {
        return 0;
    }
};
 
class TypeScale : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_SINGLETON
 
    Q_PROPERTY(TypeScaleValue displayLarge READ displayLarge CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue displayMedium READ displayMedium CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue displaySmall READ displaySmall CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue headlineLarge READ headlineLarge CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue headlineMedium READ headlineMedium CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue headlineSmall READ headlineSmall CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue titleLarge READ titleLarge CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue titleMedium READ titleMedium CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue titleSmall READ titleSmall CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue bodyLarge READ bodyLarge CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue bodyMedium READ bodyMedium CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue bodySmall READ bodySmall CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue labelLarge READ labelLarge CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue labelMedium READ labelMedium CONSTANT FINAL)
    Q_PROPERTY(TypeScaleValue labelSmall READ labelSmall CONSTANT FINAL)
public:
    explicit TypeScale(QObject *parent = nullptr);
 
    TypeScaleValue displayLarge() const;
    TypeScaleValue displayMedium() const;
    TypeScaleValue displaySmall() const;
    TypeScaleValue headlineLarge() const;
    TypeScaleValue headlineMedium() const;
    TypeScaleValue headlineSmall() const;
    TypeScaleValue titleLarge() const;
    TypeScaleValue titleMedium() const;
    TypeScaleValue titleSmall() const;
    TypeScaleValue bodyLarge() const;
    TypeScaleValue bodyMedium() const;
    TypeScaleValue bodySmall() const;
    TypeScaleValue labelLarge() const;
    TypeScaleValue labelMedium() const;
    TypeScaleValue labelSmall() const;
 
protected:
    TypeScaleValue m_displayLarge;
    TypeScaleValue m_displayMedium;
    TypeScaleValue m_displaySmall;
    TypeScaleValue m_headlineLarge;
    TypeScaleValue m_headlineMedium;
    TypeScaleValue m_headlineSmall;
    TypeScaleValue m_titleLarge;
    TypeScaleValue m_titleMedium;
    TypeScaleValue m_titleSmall;
    TypeScaleValue m_bodyLarge;
    TypeScaleValue m_bodyMedium;
    TypeScaleValue m_bodySmall;
    TypeScaleValue m_labelLarge;
    TypeScaleValue m_labelMedium;
    TypeScaleValue m_labelSmall;
};
 
class EmphasizedTypeScale : public TypeScale
{
    Q_OBJECT
    QML_ELEMENT
    QML_SINGLETON
public:
    explicit EmphasizedTypeScale(QObject *parent = nullptr);
};
 
} // namespace Fluid