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       1                 :            : /***************************************************************************
       2                 :            :   qgslabelingenginesettings.cpp
       3                 :            :   --------------------------------------
       4                 :            :   Date                 : April 2017
       5                 :            :   Copyright            : (C) 2017 by Martin Dobias
       6                 :            :   Email                : wonder dot sk at gmail dot com
       7                 :            :  ***************************************************************************
       8                 :            :  *                                                                         *
       9                 :            :  *   This program is free software; you can redistribute it and/or modify  *
      10                 :            :  *   it under the terms of the GNU General Public License as published by  *
      11                 :            :  *   the Free Software Foundation; either version 2 of the License, or     *
      12                 :            :  *   (at your option) any later version.                                   *
      13                 :            :  *                                                                         *
      14                 :            :  ***************************************************************************/
      15                 :            : 
      16                 :            : #include "qgslabelingenginesettings.h"
      17                 :            : 
      18                 :            : #include "qgsproject.h"
      19                 :            : #include "qgssymbollayerutils.h"
      20                 :            : 
      21                 :         19 : QgsLabelingEngineSettings::QgsLabelingEngineSettings()
      22                 :         19 :   : mFlags( UsePartialCandidates )
      23                 :            : {
      24                 :         19 : }
      25                 :            : 
      26                 :          8 : void QgsLabelingEngineSettings::clear()
      27                 :            : {
      28                 :          8 :   *this = QgsLabelingEngineSettings();
      29                 :          8 : }
      30                 :            : 
      31                 :          0 : void QgsLabelingEngineSettings::readSettingsFromProject( QgsProject *prj )
      32                 :            : {
      33                 :          0 :   bool saved = false;
      34                 :          0 :   mSearchMethod = static_cast< Search >( prj->readNumEntry( QStringLiteral( "PAL" ), QStringLiteral( "/SearchMethod" ), static_cast< int >( Chain ), &saved ) );
      35                 :          0 :   mMaxLineCandidatesPerCm = prj->readDoubleEntry( QStringLiteral( "PAL" ), QStringLiteral( "/CandidatesLinePerCM" ), 5, &saved );
      36                 :          0 :   mMaxPolygonCandidatesPerCmSquared = prj->readDoubleEntry( QStringLiteral( "PAL" ), QStringLiteral( "/CandidatesPolygonPerCM" ), 2.5, &saved );
      37                 :            : 
      38                 :          0 :   mFlags = Flags();
      39                 :          0 :   if ( prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingCandidates" ), false, &saved ) ) mFlags |= DrawCandidates;
      40                 :          0 :   if ( prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/DrawRectOnly" ), false, &saved ) ) mFlags |= DrawLabelRectOnly;
      41                 :          0 :   if ( prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingAllLabels" ), false, &saved ) ) mFlags |= UseAllLabels;
      42                 :          0 :   if ( prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingPartialsLabels" ), true, &saved ) ) mFlags |= UsePartialCandidates;
      43                 :          0 :   if ( prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/DrawUnplaced" ), false, &saved ) ) mFlags |= DrawUnplacedLabels;
      44                 :            : 
      45                 :          0 :   mDefaultTextRenderFormat = QgsRenderContext::TextFormatAlwaysOutlines;
      46                 :            :   // if users have disabled the older PAL "DrawOutlineLabels" setting, respect that
      47                 :          0 :   if ( !prj->readBoolEntry( QStringLiteral( "PAL" ), QStringLiteral( "/DrawOutlineLabels" ), true ) )
      48                 :          0 :     mDefaultTextRenderFormat = QgsRenderContext::TextFormatAlwaysText;
      49                 :            :   // otherwise, prefer the new setting
      50                 :          0 :   const int projectTextFormat = prj->readNumEntry( QStringLiteral( "PAL" ), QStringLiteral( "/TextFormat" ), -1 );
      51                 :          0 :   if ( projectTextFormat >= 0 )
      52                 :          0 :     mDefaultTextRenderFormat = static_cast< QgsRenderContext::TextRenderFormat >( projectTextFormat );
      53                 :            : 
      54                 :          0 :   mUnplacedLabelColor = QgsSymbolLayerUtils::decodeColor( prj->readEntry( QStringLiteral( "PAL" ), QStringLiteral( "/UnplacedColor" ), QStringLiteral( "#ff0000" ) ) );
      55                 :            : 
      56                 :          0 :   mPlacementVersion = static_cast< PlacementEngineVersion >( prj->readNumEntry( QStringLiteral( "PAL" ), QStringLiteral( "/PlacementEngineVersion" ), static_cast< int >( PlacementEngineVersion1 ) ) );
      57                 :          0 : }
      58                 :            : 
      59                 :          0 : void QgsLabelingEngineSettings::writeSettingsToProject( QgsProject *project )
      60                 :            : {
      61                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/SearchMethod" ), static_cast< int >( mSearchMethod ) );
      62                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/CandidatesLinePerCM" ), mMaxLineCandidatesPerCm );
      63                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/CandidatesPolygonPerCM" ), mMaxPolygonCandidatesPerCmSquared );
      64                 :            : 
      65                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingCandidates" ), mFlags.testFlag( DrawCandidates ) );
      66                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/DrawRectOnly" ), mFlags.testFlag( DrawLabelRectOnly ) );
      67                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/DrawUnplaced" ), mFlags.testFlag( DrawUnplacedLabels ) );
      68                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingAllLabels" ), mFlags.testFlag( UseAllLabels ) );
      69                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/ShowingPartialsLabels" ), mFlags.testFlag( UsePartialCandidates ) );
      70                 :            : 
      71                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/TextFormat" ), static_cast< int >( mDefaultTextRenderFormat ) );
      72                 :            : 
      73                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/UnplacedColor" ), QgsSymbolLayerUtils::encodeColor( mUnplacedLabelColor ) );
      74                 :            : 
      75                 :          0 :   project->writeEntry( QStringLiteral( "PAL" ), QStringLiteral( "/PlacementEngineVersion" ), mPlacementVersion );
      76                 :          0 : }
      77                 :            : 
      78                 :          0 : QColor QgsLabelingEngineSettings::unplacedLabelColor() const
      79                 :            : {
      80                 :          0 :   return mUnplacedLabelColor;
      81                 :            : }
      82                 :            : 
      83                 :          0 : void QgsLabelingEngineSettings::setUnplacedLabelColor( const QColor &unplacedLabelColor )
      84                 :            : {
      85                 :          0 :   mUnplacedLabelColor = unplacedLabelColor;
      86                 :          0 : }
      87                 :            : 
      88                 :          0 : QgsLabelingEngineSettings::PlacementEngineVersion QgsLabelingEngineSettings::placementVersion() const
      89                 :            : {
      90                 :          0 :   return mPlacementVersion;
      91                 :            : }
      92                 :            : 
      93                 :          0 : void QgsLabelingEngineSettings::setPlacementVersion( PlacementEngineVersion placementVersion )
      94                 :            : {
      95                 :          0 :   mPlacementVersion = placementVersion;
      96                 :          0 : }
      97                 :            : 
      98                 :            :