File indexing completed on 2024-12-22 04:13:16 

0001 /*
0002  *  SPDX-FileCopyrightText: 2022 Dmitry Kazakov <dimula73@gmail.com>
0003  *
0004  *  SPDX-License-Identifier: GPL-2.0-or-later
0005  */
0006 #include "KisLodAvailabilityModel.h"
0007 
0008 #include <lager/lenses/tuple.hpp>
0009 #include <KisZug.h>
0010 
0011 namespace {
0012 KisLodAvailabilityModel::AvailabilityStatePack
0013 calcLodAvailabilityState(const KisLodAvailabilityData &data, qreal effectiveBrushSize, const KisPaintopLodLimitations &l) {
0014     KisLodAvailabilityModel::AvailabilityState state = KisLodAvailabilityModel::Available;
0015 
0016     if (!l.blockers.isEmpty()) {
0017         state = KisLodAvailabilityModel::BlockedFully;
0018     } else if (data.isLodSizeThresholdSupported &&
0019                effectiveBrushSize < data.lodSizeThreshold) {
0020 
0021         state = KisLodAvailabilityModel::BlockedByThreshold;
0022     } else if (!l.limitations.isEmpty()) {
0023         state = KisLodAvailabilityModel::Limited;
0024     }
0025 
0026     return std::make_tuple(state, l, data.isLodUserAllowed);
0027 }
0028 }
0029 
0030 KisLodAvailabilityModel::KisLodAvailabilityModel(lager::cursor<KisLodAvailabilityData> _data, lager::reader<qreal> _effectiveBrushSize, lager::reader<KisPaintopLodLimitations> _lodLimitations)
0031     : data(_data)
0032     , effectiveBrushSize(_effectiveBrushSize)
0033     , lodLimitations(_lodLimitations)
0034     , LAGER_QT(isLodUserAllowed) {data[&KisLodAvailabilityData::isLodUserAllowed]}
0035     , LAGER_QT(isLodSizeThresholdSupported) {data[&KisLodAvailabilityData::isLodSizeThresholdSupported]}
0036     , LAGER_QT(lodSizeThreshold) {data[&KisLodAvailabilityData::lodSizeThreshold]}
0037     , LAGER_QT(availabilityState) {lager::with(data, effectiveBrushSize, lodLimitations).map(&calcLodAvailabilityState)}
0038     , LAGER_QT(effectiveLodAvailable) {LAGER_QT(availabilityState)
0039             .zoom(lager::lenses::first)
0040             .xform(kiszug::map_less_equal<int>(static_cast<int>(Limited)))}
0041 {
0042     data.watch(std::bind(&KisLodAvailabilityModel::sigConfigurationItemChanged, this));
0043 }