qgsshadowsettings.cpp

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/***************************************************************************
  qgsshadowsettings.cpp
  --------------------------------------
  Date                 : September 2020
  Copyright            : (C) 2020 by Belgacem Nedjima
  Email                : gb uderscore nedjima at esi dot dz
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsshadowsettings.h"
 
#include "qgsreadwritecontext.h"
#include "qgssymbollayerutils.h"
 
#include <QDomDocument>
#include <QString>
 
using namespace Qt::StringLiterals;
 
QgsShadowSettings::QgsShadowSettings( const QgsShadowSettings &other )
  : mRenderShadows( other.mRenderShadows )
  , mLightSourceId( other.mLightSourceId )
  , mMaximumShadowRenderingDistance( other.mMaximumShadowRenderingDistance )
  , mShadowBias( other.mShadowBias )
  , mShadowQuality( other.mShadowQuality )
  , mShowCascadeSplits( other.mShowCascadeSplits )
{}
 
QgsShadowSettings &QgsShadowSettings::operator=( QgsShadowSettings const &rhs )
{
  if ( &rhs == this )
    return *this;
 
  this->mRenderShadows = rhs.mRenderShadows;
  this->mLightSourceId = rhs.mLightSourceId;
  this->mMaximumShadowRenderingDistance = rhs.mMaximumShadowRenderingDistance;
  this->mShadowBias = rhs.mShadowBias;
  this->mShadowQuality = rhs.mShadowQuality;
  this->mShowCascadeSplits = rhs.mShowCascadeSplits;
  return *this;
}
 
void QgsShadowSettings::readXml( const QDomElement &element, const QgsReadWriteContext &context )
{
  Q_UNUSED( context );
  mRenderShadows = element.attribute( u"shadow-rendering-enabled"_s, u"0"_s ).toInt();
  mLightSourceId = element.attribute( u"light-source"_s );
  mMaximumShadowRenderingDistance = element.attribute( u"max-shadow-rendering-distance"_s, u"1500"_s ).toInt();
  mShadowBias = element.attribute( u"shadow-bias"_s, u"0.00001"_s ).toFloat();
}
 
void QgsShadowSettings::writeXml( QDomElement &element, const QgsReadWriteContext &context ) const
{
  Q_UNUSED( context );
  element.setAttribute( u"shadow-rendering-enabled"_s, mRenderShadows );
  element.setAttribute( u"light-source"_s, mLightSourceId );
  element.setAttribute( u"max-shadow-rendering-distance"_s, mMaximumShadowRenderingDistance );
  element.setAttribute( u"shadow-bias"_s, mShadowBias );
}
 
int QgsShadowSettings::qualityToMapResolution( Qgis::ShadowQuality quality )
{
  switch ( quality )
  {
    case Qgis::ShadowQuality::Low:
      return 512;
    case Qgis::ShadowQuality::Medium:
      return 1024;
    case Qgis::ShadowQuality::High:
      return 2048;
    case Qgis::ShadowQuality::VeryHigh:
      return 4096;
    case Qgis::ShadowQuality::Extreme:
      return 8192;
  }
  BUILTIN_UNREACHABLE
}
 
bool QgsShadowSettings::showCascadeSplits() const
{
  return mShowCascadeSplits;
}
 
void QgsShadowSettings::setShowCascadeSplits( bool newShowCascadeSplits )
{
  mShowCascadeSplits = newShowCascadeSplits;
}