GeoDataLabelStyle.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2007 Murad Tagirov <tmurad@gmail.com>
//
 
 
#include "GeoDataLabelStyle.h"
 
#include <QFont>
#include <QColor>
#include <QDataStream>
 
#include "GeoDataTypes.h"
 
namespace Marble
{
#ifdef Q_OS_MACX
static const int defaultSize = 10;
#else
static const int defaultSize = 8;
#endif
 
 
class GeoDataLabelStylePrivate
{
  public:
    GeoDataLabelStylePrivate() 
        : m_scale( 1.0 ),
          m_alignment( GeoDataLabelStyle::Corner ),
          m_font( QFont(QStringLiteral("Sans Serif")).family(), defaultSize, 50, false ),
          m_glow( true )
    {
    }
 
    explicit GeoDataLabelStylePrivate( const QFont &font )
        : m_scale( 1.0 ),
          m_alignment( GeoDataLabelStyle::Corner ),
          m_font( font ),
          m_glow( true )
    {
    }
 
    /// The current scale of the label
    float  m_scale;
    /// The current alignment of the label
    GeoDataLabelStyle::Alignment m_alignment;
    /// The current font of the label
    QFont  m_font;   // Not a KML property
    /// Whether or not the text should glow
    bool m_glow; // Not a KML property
};
 
GeoDataLabelStyle::GeoDataLabelStyle()
    : d (new GeoDataLabelStylePrivate )
{
    setColor( QColor( Qt::black ) );
}
 
GeoDataLabelStyle::GeoDataLabelStyle( const GeoDataLabelStyle& other )
    : GeoDataColorStyle( other ), d (new GeoDataLabelStylePrivate( *other.d ) )
{
}
 
GeoDataLabelStyle::GeoDataLabelStyle( const QFont &font, const QColor &color )
    : d (new GeoDataLabelStylePrivate( font ) )
{
    setColor( color );
}
 
GeoDataLabelStyle::~GeoDataLabelStyle()
{
    delete d;
}
 
GeoDataLabelStyle& GeoDataLabelStyle::operator=( const GeoDataLabelStyle& other )
{
    GeoDataColorStyle::operator=( other );
    *d = *other.d;
    return *this;
}
 
bool GeoDataLabelStyle::operator==( const GeoDataLabelStyle &other ) const
{
    if ( GeoDataColorStyle::operator!=( other ) ) {
        return false;
    }
 
    return d->m_scale == other.d->m_scale &&
           d->m_alignment == other.d->m_alignment &&
           d->m_font == other.d->m_font &&
           d->m_glow == other.d->m_glow;
}
 
bool GeoDataLabelStyle::operator!=( const GeoDataLabelStyle &other ) const
{
    return !this->operator==( other );
}
 
const char* GeoDataLabelStyle::nodeType() const
{
    return GeoDataTypes::GeoDataLabelStyleType;
}
 
void GeoDataLabelStyle::setAlignment( GeoDataLabelStyle::Alignment alignment )
{
    d->m_alignment = alignment;
}
 
GeoDataLabelStyle::Alignment GeoDataLabelStyle::alignment() const
{
    return d->m_alignment;
}
 
void GeoDataLabelStyle::setScale(float scale)
{
    d->m_scale = scale;
}
 
float GeoDataLabelStyle::scale() const
{
    return d->m_scale;
}
 
void GeoDataLabelStyle::setFont( const QFont &font )
{
    d->m_font = font;
}
 
QFont GeoDataLabelStyle::font() const
{
    return d->m_font;
}
 
QFont GeoDataLabelStyle::scaledFont() const
{
   // Font shouldn't be smaller (or equal to) than 0, but if it is, regular font is returned
   // setPointSize() takes an integer as parameter, so rounded value should be checked
   if( qRound( font().pointSize() * scale() ) <= 0 ) {
       return font();
   }
 
   QFont scaledFont = font();
   scaledFont.setPointSize( qRound( scaledFont.pointSize() * scale() ));
   return scaledFont;
}
 
bool GeoDataLabelStyle::glow() const
{
    return d->m_glow;
}
 
void GeoDataLabelStyle::setGlow(bool on)
{
    d->m_glow = on;
}
 
void GeoDataLabelStyle::pack( QDataStream& stream ) const
{
    GeoDataColorStyle::pack( stream );
 
    stream << d->m_scale;
    stream << d->m_alignment;
    stream << d->m_font;
}
 
void GeoDataLabelStyle::unpack( QDataStream& stream )
{
    int a;
    GeoDataColorStyle::unpack( stream );
 
    stream >> d->m_scale;
    stream >> a;
    stream >> d->m_font;
 
    d->m_alignment = static_cast<GeoDataLabelStyle::Alignment>( a );
}
 
}