diff --git a/libs/global/KisUsageLogger.cpp b/libs/global/KisUsageLogger.cpp
index fb950e376a..f65cd90ce4 100644
--- a/libs/global/KisUsageLogger.cpp
+++ b/libs/global/KisUsageLogger.cpp
@@ -1,164 +1,166 @@
 /*
  *  Copyright (c) 2019 Boudewijn Rempt <boud@valdyas.org>
  *
  *  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.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 #include "KisUsageLogger.h"
 
 #include <QGlobalStatic>
 #include <QDebug>
 #include <QDateTime>
 #include <QSysInfo>
 #include <QStandardPaths>
 #include <QFile>
 #include <QDesktopWidget>
 #include <QClipboard>
 #include <QThread>
 #include <QApplication>
 #include <klocalizedstring.h>
 #include <KritaVersionWrapper.h>
 
 
 Q_GLOBAL_STATIC(KisUsageLogger, s_instance)
 
 const QString KisUsageLogger::s_sectionHeader("================================================================================\n");
 
 struct KisUsageLogger::Private {
     bool active {false};
     QFile logFile;
 };
 
 KisUsageLogger::KisUsageLogger()
     : d(new Private)
 {
     d->logFile.setFileName(QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + "/krita.log");
 
     rotateLog();
     d->logFile.open(QFile::Append);
 }
 
 KisUsageLogger::~KisUsageLogger()
 {
     if (d->active) {
         close();
     }
 }
 
 void KisUsageLogger::initialize()
 {
     s_instance->d->active = true;
 }
 
 void KisUsageLogger::close()
 {
     log("Closing.");
     s_instance->d->active = false;
     s_instance->d->logFile.flush();
     s_instance->d->logFile.close();
 }
 
 void KisUsageLogger::log(const QString &message)
 {
     if (!s_instance->d->active) return;
     if (!s_instance->d->logFile.isOpen()) return;
 
     s_instance->d->logFile.write(QDateTime::currentDateTime().toString(Qt::RFC2822Date).toUtf8());
     s_instance->d->logFile.write(": ");
     write(message);
 }
 
 void KisUsageLogger::write(const QString &message)
 {
     if (!s_instance->d->active) return;
     if (!s_instance->d->logFile.isOpen()) return;
 
     s_instance->d->logFile.write(message.toUtf8());
     s_instance->d->logFile.write("\n");
 
     s_instance->d->logFile.flush();
 }
 
 void KisUsageLogger::writeHeader()
 {
     Q_ASSERT(s_instance->d->logFile.isOpen());
 
     QString sessionHeader = QString("SESSION: %1. Executing %2\n\n")
             .arg(QDateTime::currentDateTime().toString(Qt::RFC2822Date))
             .arg(qApp->arguments().join(' '));
 
     QString disclaimer = i18n("WARNING: This file contains information about your system and the\n"
                               "images you have been working with.\n"
                               "\n"
                               "If you have problems with Krita, the Krita developers might ask\n"
                               "you to share this file with them. The information in this file is\n"
                               "not shared automatically with the Krita developers in any way. You\n"
                               "can disable logging to this file in Krita's Configure Krita Dialog.\n"
                               "\n"
                               "Please review the contents of this file before sharing this file with\n"
                               "anyone.\n\n");
 
     QString systemInfo;
 
     // NOTE: This is intentionally not translated!
 
     // Krita version info
     systemInfo.append("Krita\n");
     systemInfo.append("\n Version: ").append(KritaVersionWrapper::versionString(true));
     systemInfo.append("\n Languages: ").append(KLocalizedString::languages().join(", "));
     systemInfo.append("\n Hidpi: ").append(QCoreApplication::testAttribute(Qt::AA_EnableHighDpiScaling) ? "true" : "false");
     systemInfo.append("\n\n");
 
     systemInfo.append("Qt\n");
     systemInfo.append("\n  Version (compiled): ").append(QT_VERSION_STR);
     systemInfo.append("\n  Version (loaded): ").append(qVersion());
     systemInfo.append("\n\n");
 
     // OS information
     systemInfo.append("OS Information\n");
     systemInfo.append("\n  Build ABI: ").append(QSysInfo::buildAbi());
     systemInfo.append("\n  Build CPU: ").append(QSysInfo::buildCpuArchitecture());
     systemInfo.append("\n  CPU: ").append(QSysInfo::currentCpuArchitecture());
     systemInfo.append("\n  Kernel Type: ").append(QSysInfo::kernelType());
     systemInfo.append("\n  Kernel Version: ").append(QSysInfo::kernelVersion());
     systemInfo.append("\n  Pretty Productname: ").append(QSysInfo::prettyProductName());
     systemInfo.append("\n  Product Type: ").append(QSysInfo::productType());
     systemInfo.append("\n  Product Version: ").append(QSysInfo::productVersion());
     systemInfo.append("\n\n");
 
     s_instance->d->logFile.write(s_sectionHeader.toUtf8());
     s_instance->d->logFile.write(sessionHeader.toUtf8());
     s_instance->d->logFile.write(disclaimer.toUtf8());
     s_instance->d->logFile.write(systemInfo.toUtf8());
 
 
 }
 
 void KisUsageLogger::rotateLog()
 {
-    d->logFile.open(QFile::ReadOnly);
-    QString log = QString::fromUtf8(d->logFile.readAll());
-    int sectionCount = log.count(s_sectionHeader);
-    int nextSectionIndex = log.indexOf(s_sectionHeader, s_sectionHeader.length());
-    while(sectionCount >= s_maxLogs) {
-        log = log.remove(0, log.indexOf(s_sectionHeader, nextSectionIndex));
-        nextSectionIndex = log.indexOf(s_sectionHeader, s_sectionHeader.length());
-        sectionCount = log.count(s_sectionHeader);
+    if (d->logFile.exists()) {
+        d->logFile.open(QFile::ReadOnly);
+        QString log = QString::fromUtf8(d->logFile.readAll());
+        int sectionCount = log.count(s_sectionHeader);
+        int nextSectionIndex = log.indexOf(s_sectionHeader, s_sectionHeader.length());
+        while(sectionCount >= s_maxLogs) {
+            log = log.remove(0, log.indexOf(s_sectionHeader, nextSectionIndex));
+            nextSectionIndex = log.indexOf(s_sectionHeader, s_sectionHeader.length());
+            sectionCount = log.count(s_sectionHeader);
+        }
+        d->logFile.close();
+        d->logFile.open(QFile::WriteOnly);
+        d->logFile.write(log.toUtf8());
+        d->logFile.close();
     }
-    d->logFile.close();
-    d->logFile.open(QFile::WriteOnly);
-    d->logFile.write(log.toUtf8());
-    d->logFile.close();
 }
 
diff --git a/libs/ui/canvas/kis_canvas2.cpp b/libs/ui/canvas/kis_canvas2.cpp
index f246978d85..e162943bd3 100644
--- a/libs/ui/canvas/kis_canvas2.cpp
+++ b/libs/ui/canvas/kis_canvas2.cpp
@@ -1,1293 +1,1297 @@
 /* This file is part of the KDE project
  *
  * Copyright (C) 2006, 2010 Boudewijn Rempt <boud@valdyas.org>
  * Copyright (C) Lukáš Tvrdý <lukast.dev@gmail.com>, (C) 2010
  * Copyright (C) 2011 Silvio Heinrich <plassy@web.de>
  *
  *  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.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA..
  */
 
 #include "kis_canvas2.h"
 
 #include <functional>
 #include <numeric>
 
 #include <QApplication>
 #include <QWidget>
 #include <QVBoxLayout>
 #include <QTime>
 #include <QLabel>
 #include <QMouseEvent>
 #include <QDesktopWidget>
 #include <QScreen>
 #include <QWindow>
 
 #include <kis_debug.h>
 
 #include <KoUnit.h>
 #include <KoShapeManager.h>
 #include <KisSelectedShapesProxy.h>
 #include <KoColorProfile.h>
 #include <KoCanvasControllerWidget.h>
 #include <KisDocument.h>
 #include <KoSelection.h>
 #include <KoShapeController.h>
 
+#include <KisUsageLogger.h>
+
 #include <kis_lod_transform.h>
 #include "kis_tool_proxy.h"
 #include "kis_coordinates_converter.h"
 #include "kis_prescaled_projection.h"
 #include "kis_image.h"
 #include "kis_image_barrier_locker.h"
 #include "kis_undo_adapter.h"
 #include "flake/kis_shape_layer.h"
 #include "kis_canvas_resource_provider.h"
 #include "KisViewManager.h"
 #include "kis_config.h"
 #include "kis_config_notifier.h"
 #include "kis_abstract_canvas_widget.h"
 #include "kis_qpainter_canvas.h"
 #include "kis_group_layer.h"
 #include "flake/kis_shape_controller.h"
 #include "kis_node_manager.h"
 #include "kis_selection.h"
 #include "kis_selection_component.h"
 #include "flake/kis_shape_selection.h"
 #include "kis_selection_mask.h"
 #include "kis_image_config.h"
 #include "kis_infinity_manager.h"
 #include "kis_signal_compressor.h"
 #include "kis_display_color_converter.h"
 #include "kis_exposure_gamma_correction_interface.h"
 #include "KisView.h"
 #include "kis_canvas_controller.h"
 #include "kis_grid_config.h"
 
 #include "kis_animation_player.h"
 #include "kis_animation_frame_cache.h"
 #include "opengl/kis_opengl_canvas2.h"
 #include "opengl/kis_opengl.h"
 #include "kis_fps_decoration.h"
 
 #include "KoColorConversionTransformation.h"
 #include "KisProofingConfiguration.h"
 
 #include <kis_favorite_resource_manager.h>
 #include <kis_popup_palette.h>
 
 #include "input/kis_input_manager.h"
 #include "kis_painting_assistants_decoration.h"
 
 #include "kis_canvas_updates_compressor.h"
 #include "KoZoomController.h"
 
 #include <KisStrokeSpeedMonitor.h>
 #include "opengl/kis_opengl_canvas_debugger.h"
 
 #include "kis_algebra_2d.h"
 #include "kis_image_signal_router.h"
 
 #include "KisSnapPixelStrategy.h"
 
 
 class Q_DECL_HIDDEN KisCanvas2::KisCanvas2Private
 {
 
 public:
 
     KisCanvas2Private(KoCanvasBase *parent, KisCoordinatesConverter* coordConverter, QPointer<KisView> view, KoCanvasResourceProvider* resourceManager)
         : coordinatesConverter(coordConverter)
         , view(view)
         , shapeManager(parent)
         , selectedShapesProxy(&shapeManager)
         , toolProxy(parent)
         , displayColorConverter(resourceManager, view)
         , regionOfInterestUpdateCompressor(100, KisSignalCompressor::FIRST_INACTIVE)
     {
     }
 
     KisCoordinatesConverter *coordinatesConverter;
     QPointer<KisView>view;
     KisAbstractCanvasWidget *canvasWidget = 0;
     KoShapeManager shapeManager;
     KisSelectedShapesProxy selectedShapesProxy;
     bool currentCanvasIsOpenGL;
     int openGLFilterMode;
     KisToolProxy toolProxy;
     KisPrescaledProjectionSP prescaledProjection;
     bool vastScrolling;
 
     KisSignalCompressor canvasUpdateCompressor;
     QRect savedUpdateRect;
 
     QBitArray channelFlags;
     KisProofingConfigurationSP proofingConfig;
     bool softProofing = false;
     bool gamutCheck = false;
     bool proofingConfigUpdated = false;
 
     KisPopupPalette *popupPalette = 0;
     KisDisplayColorConverter displayColorConverter;
 
     KisCanvasUpdatesCompressor projectionUpdatesCompressor;
     KisAnimationPlayer *animationPlayer;
     KisAnimationFrameCacheSP frameCache;
     bool lodAllowedInImage = false;
     bool bootstrapLodBlocked;
     QPointer<KoShapeManager> currentlyActiveShapeManager;
     KisInputActionGroupsMask inputActionGroupsMask = AllActionGroup;
 
     KisSignalCompressor frameRenderStartCompressor;
 
     KisSignalCompressor regionOfInterestUpdateCompressor;
     QRect regionOfInterest;
 
     QRect renderingLimit;
     int isBatchUpdateActive = 0;
 
     bool effectiveLodAllowedInImage() {
         return lodAllowedInImage && !bootstrapLodBlocked;
     }
 
     void setActiveShapeManager(KoShapeManager *shapeManager);
 };
 
 namespace {
 KoShapeManager* fetchShapeManagerFromNode(KisNodeSP node)
 {
     KoShapeManager *shapeManager = 0;
     KisSelectionSP selection;
 
     if (KisLayer *layer = dynamic_cast<KisLayer*>(node.data())) {
         KisShapeLayer *shapeLayer = dynamic_cast<KisShapeLayer*>(layer);
         if (shapeLayer) {
             shapeManager = shapeLayer->shapeManager();
 
         }
     } else if (KisSelectionMask *mask = dynamic_cast<KisSelectionMask*>(node.data())) {
         selection = mask->selection();
     }
 
     if (!shapeManager && selection && selection->hasShapeSelection()) {
         KisShapeSelection *shapeSelection = dynamic_cast<KisShapeSelection*>(selection->shapeSelection());
         KIS_ASSERT_RECOVER_RETURN_VALUE(shapeSelection, 0);
 
         shapeManager = shapeSelection->shapeManager();
     }
 
     return shapeManager;
 }
 }
 
 KisCanvas2::KisCanvas2(KisCoordinatesConverter *coordConverter, KoCanvasResourceProvider *resourceManager, KisView *view, KoShapeControllerBase *sc)
     : KoCanvasBase(sc, resourceManager)
     , m_d(new KisCanvas2Private(this, coordConverter, view, resourceManager))
 {
     /**
      * While loading LoD should be blocked. Only when GUI has finished
      * loading and zoom level settled down, LoD is given a green
      * light.
      */
     m_d->bootstrapLodBlocked = true;
     connect(view->mainWindow(), SIGNAL(guiLoadingFinished()), SLOT(bootstrapFinished()));
     connect(view->mainWindow(), SIGNAL(screenChanged()), SLOT(slotConfigChanged()));
 
     KisImageConfig config(false);
 
     m_d->canvasUpdateCompressor.setDelay(1000 / config.fpsLimit());
     m_d->canvasUpdateCompressor.setMode(KisSignalCompressor::FIRST_ACTIVE);
 
     m_d->frameRenderStartCompressor.setDelay(1000 / config.fpsLimit());
     m_d->frameRenderStartCompressor.setMode(KisSignalCompressor::FIRST_ACTIVE);
     snapGuide()->overrideSnapStrategy(KoSnapGuide::PixelSnapping, new KisSnapPixelStrategy());
 }
 
 void KisCanvas2::setup()
 {
     // a bit of duplication from slotConfigChanged()
     KisConfig cfg(true);
     m_d->vastScrolling = cfg.vastScrolling();
     m_d->lodAllowedInImage = cfg.levelOfDetailEnabled();
 
     createCanvas(cfg.useOpenGL());
 
     setLodAllowedInCanvas(m_d->lodAllowedInImage);
     m_d->animationPlayer = new KisAnimationPlayer(this);
     connect(m_d->view->canvasController()->proxyObject, SIGNAL(moveDocumentOffset(QPoint)), SLOT(documentOffsetMoved(QPoint)));
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), SLOT(slotConfigChanged()));
 
     /**
      * We switch the shape manager every time vector layer or
      * shape selection is activated. Flake does not expect this
      * and connects all the signals of the global shape manager
      * to the clients in the constructor. To workaround this we
      * forward the signals of local shape managers stored in the
      * vector layers to the signals of global shape manager. So the
      * sequence of signal deliveries is the following:
      *
      * shapeLayer.m_d.canvas.m_shapeManager.selection() ->
      * shapeLayer ->
      * shapeController ->
      * globalShapeManager.selection()
      */
 
     KisShapeController *kritaShapeController = static_cast<KisShapeController*>(shapeController()->documentBase());
     connect(kritaShapeController, SIGNAL(selectionChanged()),
             this, SLOT(slotSelectionChanged()));
     connect(kritaShapeController, SIGNAL(selectionContentChanged()),
             selectedShapesProxy(), SIGNAL(selectionContentChanged()));
     connect(kritaShapeController, SIGNAL(currentLayerChanged(const KoShapeLayer*)),
             selectedShapesProxy(), SIGNAL(currentLayerChanged(const KoShapeLayer*)));
 
     connect(&m_d->canvasUpdateCompressor, SIGNAL(timeout()), SLOT(slotDoCanvasUpdate()));
 
     connect(this, SIGNAL(sigCanvasCacheUpdated()), &m_d->frameRenderStartCompressor, SLOT(start()));
     connect(&m_d->frameRenderStartCompressor, SIGNAL(timeout()), SLOT(updateCanvasProjection()));
 
     connect(this, SIGNAL(sigContinueResizeImage(qint32,qint32)), SLOT(finishResizingImage(qint32,qint32)));
 
     connect(&m_d->regionOfInterestUpdateCompressor, SIGNAL(timeout()), SLOT(slotUpdateRegionOfInterest()));
 
     connect(m_d->view->document(), SIGNAL(sigReferenceImagesChanged()), this, SLOT(slotReferenceImagesChanged()));
 
     initializeFpsDecoration();
 }
 
 void KisCanvas2::initializeFpsDecoration()
 {
     KisConfig cfg(true);
 
     const bool shouldShowDebugOverlay =
         (canvasIsOpenGL() && cfg.enableOpenGLFramerateLogging()) ||
         cfg.enableBrushSpeedLogging();
 
     if (shouldShowDebugOverlay && !decoration(KisFpsDecoration::idTag)) {
         addDecoration(new KisFpsDecoration(imageView()));
 
         if (cfg.enableBrushSpeedLogging()) {
             connect(KisStrokeSpeedMonitor::instance(), SIGNAL(sigStatsUpdated()), this, SLOT(updateCanvas()));
         }
     } else if (!shouldShowDebugOverlay && decoration(KisFpsDecoration::idTag)) {
         m_d->canvasWidget->removeDecoration(KisFpsDecoration::idTag);
         disconnect(KisStrokeSpeedMonitor::instance(), SIGNAL(sigStatsUpdated()), this, SLOT(updateCanvas()));
     }
 }
 
 KisCanvas2::~KisCanvas2()
 {
     if (m_d->animationPlayer->isPlaying()) {
         m_d->animationPlayer->forcedStopOnExit();
     }
     delete m_d;
 }
 
 void KisCanvas2::setCanvasWidget(KisAbstractCanvasWidget *widget)
 {
     if (m_d->popupPalette) {
         m_d->popupPalette->setParent(widget->widget());
     }
 
     if (m_d->canvasWidget != 0) {
         widget->setDecorations(m_d->canvasWidget->decorations());
 
         // Redundant check for the constructor case, see below
         if(viewManager() != 0)
             viewManager()->inputManager()->removeTrackedCanvas(this);
     }
 
     m_d->canvasWidget = widget;
 
     // Either tmp was null or we are being called by KisCanvas2 constructor that is called by KisView
     // constructor, so the view manager still doesn't exists.
     if(m_d->canvasWidget != 0 && viewManager() != 0)
         viewManager()->inputManager()->addTrackedCanvas(this);
 
     if (!m_d->canvasWidget->decoration(INFINITY_DECORATION_ID)) {
         KisInfinityManager *manager = new KisInfinityManager(m_d->view, this);
         manager->setVisible(true);
         m_d->canvasWidget->addDecoration(manager);
     }
 
     widget->widget()->setAutoFillBackground(false);
     widget->widget()->setAttribute(Qt::WA_OpaquePaintEvent);
     widget->widget()->setMouseTracking(true);
     widget->widget()->setAcceptDrops(true);
 
     KoCanvasControllerWidget *controller = dynamic_cast<KoCanvasControllerWidget*>(canvasController());
     if (controller && controller->canvas() == this) {
         controller->changeCanvasWidget(widget->widget());
     }
 }
 
 bool KisCanvas2::canvasIsOpenGL() const
 {
     return m_d->currentCanvasIsOpenGL;
 }
 
 KisOpenGL::FilterMode KisCanvas2::openGLFilterMode() const
 {
     return KisOpenGL::FilterMode(m_d->openGLFilterMode);
 }
 
 void KisCanvas2::gridSize(QPointF *offset, QSizeF *spacing) const
 {
     QTransform transform = coordinatesConverter()->imageToDocumentTransform();
 
     const QPoint intSpacing = m_d->view->document()->gridConfig().spacing();
     const QPoint intOffset = m_d->view->document()->gridConfig().offset();
 
     QPointF size = transform.map(QPointF(intSpacing));
     spacing->rwidth() = size.x();
     spacing->rheight() = size.y();
 
     *offset = transform.map(QPointF(intOffset));
 }
 
 bool KisCanvas2::snapToGrid() const
 {
     return m_d->view->document()->gridConfig().snapToGrid();
 }
 
 qreal KisCanvas2::rotationAngle() const
 {
     return m_d->coordinatesConverter->rotationAngle();
 }
 
 bool KisCanvas2::xAxisMirrored() const
 {
     return m_d->coordinatesConverter->xAxisMirrored();
 }
 
 bool KisCanvas2::yAxisMirrored() const
 {
     return m_d->coordinatesConverter->yAxisMirrored();
 }
 
 void KisCanvas2::channelSelectionChanged()
 {
     KisImageSP image = this->image();
     m_d->channelFlags = image->rootLayer()->channelFlags();
 
     m_d->view->viewManager()->blockUntilOperationsFinishedForced(image);
 
     image->barrierLock();
     m_d->canvasWidget->channelSelectionChanged(m_d->channelFlags);
     startUpdateInPatches(image->bounds());
     image->unlock();
 }
 
 void KisCanvas2::addCommand(KUndo2Command *command)
 {
     // This method exists to support flake-related operations
     m_d->view->document()->addCommand(command);
 }
 
 void KisCanvas2::KisCanvas2Private::setActiveShapeManager(KoShapeManager *shapeManager)
 {
     if (shapeManager != currentlyActiveShapeManager) {
         currentlyActiveShapeManager = shapeManager;
         selectedShapesProxy.setShapeManager(shapeManager);
     }
 }
 
 KoShapeManager* KisCanvas2::shapeManager() const
 {
     KoShapeManager *localShapeManager = this->localShapeManager();
 
     // sanity check for consistency of the local shape manager
     KIS_SAFE_ASSERT_RECOVER (localShapeManager == m_d->currentlyActiveShapeManager) {
         localShapeManager = globalShapeManager();
     }
 
     return localShapeManager ? localShapeManager : globalShapeManager();
 }
 
 KoSelectedShapesProxy* KisCanvas2::selectedShapesProxy() const
 {
     return &m_d->selectedShapesProxy;
 }
 
 KoShapeManager* KisCanvas2::globalShapeManager() const
 {
     return &m_d->shapeManager;
 }
 
 KoShapeManager *KisCanvas2::localShapeManager() const
 {
     KisNodeSP node = m_d->view->currentNode();
     KoShapeManager *localShapeManager = fetchShapeManagerFromNode(node);
 
     if (localShapeManager != m_d->currentlyActiveShapeManager) {
         m_d->setActiveShapeManager(localShapeManager);
     }
 
     return localShapeManager;
 }
 
 void KisCanvas2::updateInputMethodInfo()
 {
     // TODO call (the protected) QWidget::updateMicroFocus() on the proper canvas widget...
 }
 
 const KisCoordinatesConverter* KisCanvas2::coordinatesConverter() const
 {
     return m_d->coordinatesConverter;
 }
 
 KoViewConverter* KisCanvas2::viewConverter() const
 {
     return m_d->coordinatesConverter;
 }
 
 KisInputManager* KisCanvas2::globalInputManager() const
 {
     return m_d->view->globalInputManager();
 }
 
 KisInputActionGroupsMask KisCanvas2::inputActionGroupsMask() const
 {
     return m_d->inputActionGroupsMask;
 }
 
 void KisCanvas2::setInputActionGroupsMask(KisInputActionGroupsMask mask)
 {
     m_d->inputActionGroupsMask = mask;
 }
 
 QWidget* KisCanvas2::canvasWidget()
 {
     return m_d->canvasWidget->widget();
 }
 
 const QWidget* KisCanvas2::canvasWidget() const
 {
     return m_d->canvasWidget->widget();
 }
 
 
 KoUnit KisCanvas2::unit() const
 {
     KoUnit unit(KoUnit::Pixel);
 
     KisImageWSP image = m_d->view->image();
     if (image) {
         if (!qFuzzyCompare(image->xRes(), image->yRes())) {
             warnKrita << "WARNING: resolution of the image is anisotropic"
                        << ppVar(image->xRes())
                        << ppVar(image->yRes());
         }
 
         const qreal resolution = image->xRes();
         unit.setFactor(resolution);
     }
 
     return unit;
 }
 
 KoToolProxy * KisCanvas2::toolProxy() const
 {
     return &m_d->toolProxy;
 }
 
 void KisCanvas2::createQPainterCanvas()
 {
     m_d->currentCanvasIsOpenGL = false;
 
     KisQPainterCanvas * canvasWidget = new KisQPainterCanvas(this, m_d->coordinatesConverter, m_d->view);
     m_d->prescaledProjection = new KisPrescaledProjection();
     m_d->prescaledProjection->setCoordinatesConverter(m_d->coordinatesConverter);
     m_d->prescaledProjection->setMonitorProfile(m_d->displayColorConverter.monitorProfile(),
                                                 m_d->displayColorConverter.renderingIntent(),
                                                 m_d->displayColorConverter.conversionFlags());
     m_d->prescaledProjection->setDisplayFilter(m_d->displayColorConverter.displayFilter());
     canvasWidget->setPrescaledProjection(m_d->prescaledProjection);
     setCanvasWidget(canvasWidget);
 }
 
 void KisCanvas2::createOpenGLCanvas()
 {
     KisConfig cfg(true);
     m_d->openGLFilterMode = cfg.openGLFilteringMode();
     m_d->currentCanvasIsOpenGL = true;
 
     KisOpenGLCanvas2 *canvasWidget = new KisOpenGLCanvas2(this, m_d->coordinatesConverter, 0, m_d->view->image(), &m_d->displayColorConverter);
     m_d->frameCache = KisAnimationFrameCache::getFrameCache(canvasWidget->openGLImageTextures());
 
     setCanvasWidget(canvasWidget);
 }
 
 void KisCanvas2::createCanvas(bool useOpenGL)
 {
     // deinitialize previous canvas structures
     m_d->prescaledProjection = 0;
     m_d->frameCache = 0;
 
     KisConfig cfg(true);
     QDesktopWidget dw;
     const KoColorProfile *profile = cfg.displayProfile(dw.screenNumber(imageView()));
     m_d->displayColorConverter.notifyOpenGLCanvasIsActive(useOpenGL && KisOpenGL::hasOpenGL());
     m_d->displayColorConverter.setMonitorProfile(profile);
 
     if (useOpenGL && !KisOpenGL::hasOpenGL()) {
         warnKrita << "Tried to create OpenGL widget when system doesn't have OpenGL\n";
         useOpenGL = false;
     }
 
     m_d->displayColorConverter.notifyOpenGLCanvasIsActive(useOpenGL);
 
     if (useOpenGL) {
         createOpenGLCanvas();
         if (cfg.canvasState() == "OPENGL_FAILED") {
             // Creating the opengl canvas failed, fall back
             warnKrita << "OpenGL Canvas initialization returned OPENGL_FAILED. Falling back to QPainter.";
             m_d->displayColorConverter.notifyOpenGLCanvasIsActive(false);
             createQPainterCanvas();
         }
     } else {
         createQPainterCanvas();
     }
 
     if (m_d->popupPalette) {
         m_d->popupPalette->setParent(m_d->canvasWidget->widget());
     }
 
 }
 
 void KisCanvas2::initializeImage()
 {
     KisImageSP image = m_d->view->image();
 
     m_d->displayColorConverter.setImageColorSpace(image->colorSpace());
     m_d->coordinatesConverter->setImage(image);
     m_d->toolProxy.initializeImage(image);
 
     connect(image, SIGNAL(sigImageUpdated(QRect)), SLOT(startUpdateCanvasProjection(QRect)), Qt::DirectConnection);
     connect(image->signalRouter(), SIGNAL(sigNotifyBatchUpdateStarted()), SLOT(slotBeginUpdatesBatch()), Qt::DirectConnection);
     connect(image->signalRouter(), SIGNAL(sigNotifyBatchUpdateEnded()), SLOT(slotEndUpdatesBatch()), Qt::DirectConnection);
     connect(image->signalRouter(), SIGNAL(sigRequestLodPlanesSyncBlocked(bool)), SLOT(slotSetLodUpdatesBlocked(bool)), Qt::DirectConnection);
 
     connect(image, SIGNAL(sigProofingConfigChanged()), SLOT(slotChangeProofingConfig()));
     connect(image, SIGNAL(sigSizeChanged(QPointF,QPointF)), SLOT(startResizingImage()), Qt::DirectConnection);
     connect(image->undoAdapter(), SIGNAL(selectionChanged()), SLOT(slotTrySwitchShapeManager()));
 
     connect(image, SIGNAL(sigColorSpaceChanged(const KoColorSpace*)), SLOT(slotImageColorSpaceChanged()));
     connect(image, SIGNAL(sigProfileChanged(const KoColorProfile*)), SLOT(slotImageColorSpaceChanged()));
 
     connectCurrentCanvas();
 }
 
 void KisCanvas2::connectCurrentCanvas()
 {
     KisImageWSP image = m_d->view->image();
 
     if (!m_d->currentCanvasIsOpenGL) {
         Q_ASSERT(m_d->prescaledProjection);
         m_d->prescaledProjection->setImage(image);
     }
 
     startResizingImage();
     setLodAllowedInCanvas(m_d->lodAllowedInImage);
 
     emit sigCanvasEngineChanged();
 }
 
 void KisCanvas2::resetCanvas(bool useOpenGL)
 {
     // we cannot reset the canvas before it's created, but this method might be called,
     // for instance when setting the monitor profile.
     if (!m_d->canvasWidget) {
         return;
     }
     KisConfig cfg(true);
     bool needReset = (m_d->currentCanvasIsOpenGL != useOpenGL) ||
         (m_d->currentCanvasIsOpenGL &&
          m_d->openGLFilterMode != cfg.openGLFilteringMode());
 
     if (needReset) {
         createCanvas(useOpenGL);
         connectCurrentCanvas();
         notifyZoomChanged();
     }
     updateCanvasWidgetImpl();
 }
 
 void KisCanvas2::startUpdateInPatches(const QRect &imageRect)
 {
     /**
      * We don't do patched loading for openGL canvas, becasue it loads
      * the tiles, which are bascially "patches". Therefore, big chunks
      * of memory are never allocated.
      */
     if (m_d->currentCanvasIsOpenGL) {
         startUpdateCanvasProjection(imageRect);
     } else {
         KisImageConfig imageConfig(true);
         int patchWidth = imageConfig.updatePatchWidth();
         int patchHeight = imageConfig.updatePatchHeight();
 
         for (int y = 0; y < imageRect.height(); y += patchHeight) {
             for (int x = 0; x < imageRect.width(); x += patchWidth) {
                 QRect patchRect(x, y, patchWidth, patchHeight);
                 startUpdateCanvasProjection(patchRect);
             }
         }
     }
 }
 
 void KisCanvas2::setDisplayFilter(QSharedPointer<KisDisplayFilter> displayFilter)
 {
     m_d->displayColorConverter.setDisplayFilter(displayFilter);
     KisImageSP image = this->image();
 
     m_d->view->viewManager()->blockUntilOperationsFinishedForced(image);
 
     image->barrierLock();
     m_d->canvasWidget->setDisplayFilter(displayFilter);
     image->unlock();
 }
 
 QSharedPointer<KisDisplayFilter> KisCanvas2::displayFilter() const
 {
     return m_d->displayColorConverter.displayFilter();
 }
 
 void KisCanvas2::slotImageColorSpaceChanged()
 {
     KisImageSP image = this->image();
 
     m_d->view->viewManager()->blockUntilOperationsFinishedForced(image);
 
     m_d->displayColorConverter.setImageColorSpace(image->colorSpace());
 
     image->barrierLock();
     m_d->canvasWidget->notifyImageColorSpaceChanged(image->colorSpace());
     image->unlock();
 }
 
 KisDisplayColorConverter* KisCanvas2::displayColorConverter() const
 {
     return &m_d->displayColorConverter;
 }
 
 KisExposureGammaCorrectionInterface* KisCanvas2::exposureGammaCorrectionInterface() const
 {
     QSharedPointer<KisDisplayFilter> displayFilter = m_d->displayColorConverter.displayFilter();
 
     return displayFilter ?
         displayFilter->correctionInterface() :
         KisDumbExposureGammaCorrectionInterface::instance();
 }
 
 void KisCanvas2::setProofingOptions(bool softProof, bool gamutCheck)
 {
     m_d->proofingConfig = this->image()->proofingConfiguration();
     if (!m_d->proofingConfig) {
         KisImageConfig cfg(false);
         m_d->proofingConfig = cfg.defaultProofingconfiguration();
     }
     KoColorConversionTransformation::ConversionFlags conversionFlags = m_d->proofingConfig->conversionFlags;
 #if QT_VERSION >= 0x050700
 
     if (this->image()->colorSpace()->colorDepthId().id().contains("U")) {
         conversionFlags.setFlag(KoColorConversionTransformation::SoftProofing, softProof);
         if (softProof) {
             conversionFlags.setFlag(KoColorConversionTransformation::GamutCheck, gamutCheck);
         }
     }
 #else
     if (this->image()->colorSpace()->colorDepthId().id().contains("U")) {
         conversionFlags |= KoColorConversionTransformation::SoftProofing;
     } else {
         conversionFlags = conversionFlags & ~KoColorConversionTransformation::SoftProofing;
     }
     if (gamutCheck && softProof && this->image()->colorSpace()->colorDepthId().id().contains("U")) {
         conversionFlags |= KoColorConversionTransformation::GamutCheck;
     } else {
         conversionFlags = conversionFlags & ~KoColorConversionTransformation::GamutCheck;
     }
 #endif
     m_d->proofingConfig->conversionFlags = conversionFlags;
 
     m_d->proofingConfigUpdated = true;
     startUpdateInPatches(this->image()->bounds());
 
 }
 
 void KisCanvas2::slotSoftProofing(bool softProofing)
 {
     m_d->softProofing = softProofing;
     setProofingOptions(m_d->softProofing, m_d->gamutCheck);
 }
 
 void KisCanvas2::slotGamutCheck(bool gamutCheck)
 {
     m_d->gamutCheck = gamutCheck;
     setProofingOptions(m_d->softProofing, m_d->gamutCheck);
 }
 
 void KisCanvas2::slotChangeProofingConfig()
 {
     setProofingOptions(m_d->softProofing, m_d->gamutCheck);
 }
 
 void KisCanvas2::setProofingConfigUpdated(bool updated)
 {
     m_d->proofingConfigUpdated = updated;
 }
 
 bool KisCanvas2::proofingConfigUpdated()
 {
     return m_d->proofingConfigUpdated;
 }
 
 KisProofingConfigurationSP KisCanvas2::proofingConfiguration() const
 {
     if (!m_d->proofingConfig) {
         m_d->proofingConfig = this->image()->proofingConfiguration();
         if (!m_d->proofingConfig) {
             m_d->proofingConfig = KisImageConfig(true).defaultProofingconfiguration();
         }
     }
     return m_d->proofingConfig;
 }
 
 void KisCanvas2::startResizingImage()
 {
     KisImageWSP image = this->image();
     qint32 w = image->width();
     qint32 h = image->height();
 
     emit sigContinueResizeImage(w, h);
 
     QRect imageBounds(0, 0, w, h);
     startUpdateInPatches(imageBounds);
 }
 
 void KisCanvas2::finishResizingImage(qint32 w, qint32 h)
 {
     m_d->canvasWidget->finishResizingImage(w, h);
 }
 
 void KisCanvas2::startUpdateCanvasProjection(const QRect & rc)
 {
     KisUpdateInfoSP info = m_d->canvasWidget->startUpdateCanvasProjection(rc, m_d->channelFlags);
     if (m_d->projectionUpdatesCompressor.putUpdateInfo(info)) {
         emit sigCanvasCacheUpdated();
     }
 }
 
 void KisCanvas2::updateCanvasProjection()
 {
     auto tryIssueCanvasUpdates = [this](const QRect &vRect) {
         if (!m_d->isBatchUpdateActive) {
             // TODO: Implement info->dirtyViewportRect() for KisOpenGLCanvas2 to avoid updating whole canvas
             if (m_d->currentCanvasIsOpenGL) {
                 m_d->savedUpdateRect = QRect();
 
                 // we already had a compression in frameRenderStartCompressor, so force the update directly
                 slotDoCanvasUpdate();
             } else if (/* !m_d->currentCanvasIsOpenGL && */ !vRect.isEmpty()) {
                 m_d->savedUpdateRect = m_d->coordinatesConverter->viewportToWidget(vRect).toAlignedRect();
 
                 // we already had a compression in frameRenderStartCompressor, so force the update directly
                 slotDoCanvasUpdate();
             }
         }
     };
 
     auto uploadData = [this, tryIssueCanvasUpdates](const QVector<KisUpdateInfoSP> &infoObjects) {
         QVector<QRect> viewportRects = m_d->canvasWidget->updateCanvasProjection(infoObjects);
         const QRect vRect = std::accumulate(viewportRects.constBegin(), viewportRects.constEnd(),
                                             QRect(), std::bit_or<QRect>());
 
         tryIssueCanvasUpdates(vRect);
     };
 
     bool shouldExplicitlyIssueUpdates = false;
 
     QVector<KisUpdateInfoSP> infoObjects;
     KisUpdateInfoList originalInfoObjects;
     m_d->projectionUpdatesCompressor.takeUpdateInfo(originalInfoObjects);
 
     for (auto it = originalInfoObjects.constBegin();
          it != originalInfoObjects.constEnd();
          ++it) {
 
         KisUpdateInfoSP info = *it;
 
         const KisMarkerUpdateInfo *batchInfo = dynamic_cast<const KisMarkerUpdateInfo*>(info.data());
         if (batchInfo) {
             if (!infoObjects.isEmpty()) {
                 uploadData(infoObjects);
                 infoObjects.clear();
             }
 
             if (batchInfo->type() == KisMarkerUpdateInfo::StartBatch) {
                 m_d->isBatchUpdateActive++;
             } else if (batchInfo->type() == KisMarkerUpdateInfo::EndBatch) {
                 m_d->isBatchUpdateActive--;
                 KIS_SAFE_ASSERT_RECOVER_RETURN(m_d->isBatchUpdateActive >= 0);
                 if (m_d->isBatchUpdateActive == 0) {
                     shouldExplicitlyIssueUpdates = true;
                 }
             } else if (batchInfo->type() == KisMarkerUpdateInfo::BlockLodUpdates) {
                 m_d->canvasWidget->setLodResetInProgress(true);
             } else if (batchInfo->type() == KisMarkerUpdateInfo::UnblockLodUpdates) {
                 m_d->canvasWidget->setLodResetInProgress(false);
                 shouldExplicitlyIssueUpdates = true;
             }
         } else {
             infoObjects << info;
         }
     }
 
     if (!infoObjects.isEmpty()) {
         uploadData(infoObjects);
     } else if (shouldExplicitlyIssueUpdates) {
         tryIssueCanvasUpdates(m_d->coordinatesConverter->imageRectInImagePixels());
     }
 }
 
 void KisCanvas2::slotBeginUpdatesBatch()
 {
     KisUpdateInfoSP info =
         new KisMarkerUpdateInfo(KisMarkerUpdateInfo::StartBatch,
                                       m_d->coordinatesConverter->imageRectInImagePixels());
     m_d->projectionUpdatesCompressor.putUpdateInfo(info);
     emit sigCanvasCacheUpdated();
 }
 
 void KisCanvas2::slotEndUpdatesBatch()
 {
     KisUpdateInfoSP info =
         new KisMarkerUpdateInfo(KisMarkerUpdateInfo::EndBatch,
                                       m_d->coordinatesConverter->imageRectInImagePixels());
     m_d->projectionUpdatesCompressor.putUpdateInfo(info);
     emit sigCanvasCacheUpdated();
 }
 
 void KisCanvas2::slotSetLodUpdatesBlocked(bool value)
 {
     KisUpdateInfoSP info =
         new KisMarkerUpdateInfo(value ?
                                 KisMarkerUpdateInfo::BlockLodUpdates :
                                 KisMarkerUpdateInfo::UnblockLodUpdates,
                                 m_d->coordinatesConverter->imageRectInImagePixels());
     m_d->projectionUpdatesCompressor.putUpdateInfo(info);
     emit sigCanvasCacheUpdated();
 }
 
 void KisCanvas2::slotDoCanvasUpdate()
 {
     /**
      * WARNING: in isBusy() we access openGL functions without making the painting
      * context current. We hope that currently active context will be Qt's one,
      * which is shared with our own.
      */
     if (m_d->canvasWidget->isBusy()) {
         // just restarting the timer
         updateCanvasWidgetImpl(m_d->savedUpdateRect);
         return;
     }
 
     if (m_d->savedUpdateRect.isEmpty()) {
         m_d->canvasWidget->widget()->update();
         emit updateCanvasRequested(m_d->canvasWidget->widget()->rect());
     } else {
         emit updateCanvasRequested(m_d->savedUpdateRect);
         m_d->canvasWidget->widget()->update(m_d->savedUpdateRect);
     }
 
     m_d->savedUpdateRect = QRect();
 }
 
 void KisCanvas2::updateCanvasWidgetImpl(const QRect &rc)
 {
     if (!m_d->canvasUpdateCompressor.isActive() ||
         !m_d->savedUpdateRect.isEmpty()) {
         m_d->savedUpdateRect |= rc;
     }
     m_d->canvasUpdateCompressor.start();
 }
 
 void KisCanvas2::updateCanvas()
 {
     updateCanvasWidgetImpl();
 }
 
 void KisCanvas2::updateCanvas(const QRectF& documentRect)
 {
     if (m_d->currentCanvasIsOpenGL && m_d->canvasWidget->decorations().size() > 0) {
         updateCanvasWidgetImpl();
     }
     else {
         // updateCanvas is called from tools, never from the projection
         // updates, so no need to prescale!
         QRect widgetRect = m_d->coordinatesConverter->documentToWidget(documentRect).toAlignedRect();
         widgetRect.adjust(-2, -2, 2, 2);
         if (!widgetRect.isEmpty()) {
             updateCanvasWidgetImpl(widgetRect);
         }
     }
 }
 
 void KisCanvas2::disconnectCanvasObserver(QObject *object)
 {
     KoCanvasBase::disconnectCanvasObserver(object);
     m_d->view->disconnect(object);
 }
 
 void KisCanvas2::notifyZoomChanged()
 {
     if (!m_d->currentCanvasIsOpenGL) {
         Q_ASSERT(m_d->prescaledProjection);
         m_d->prescaledProjection->notifyZoomChanged();
     }
 
     notifyLevelOfDetailChange();
     updateCanvas(); // update the canvas, because that isn't done when zooming using KoZoomAction
 
     m_d->regionOfInterestUpdateCompressor.start();
 }
 
 QRect KisCanvas2::regionOfInterest() const
 {
     return m_d->regionOfInterest;
 }
 
 void KisCanvas2::slotUpdateRegionOfInterest()
 {
     const QRect oldRegionOfInterest = m_d->regionOfInterest;
 
     const qreal ratio = 0.25;
     const QRect proposedRoi = KisAlgebra2D::blowRect(m_d->coordinatesConverter->widgetRectInImagePixels(), ratio).toAlignedRect();
 
     const QRect imageRect = m_d->coordinatesConverter->imageRectInImagePixels();
 
     m_d->regionOfInterest = imageRect.contains(proposedRoi) ? proposedRoi : imageRect;
 
     if (m_d->regionOfInterest != oldRegionOfInterest) {
         emit sigRegionOfInterestChanged(m_d->regionOfInterest);
     }
 }
 
 void KisCanvas2::slotReferenceImagesChanged()
 {
     canvasController()->resetScrollBars();
 }
 
 void KisCanvas2::setRenderingLimit(const QRect &rc)
 {
     m_d->renderingLimit = rc;
 }
 
 QRect KisCanvas2::renderingLimit() const
 {
     return m_d->renderingLimit;
 }
 
 void KisCanvas2::slotTrySwitchShapeManager()
 {
     KisNodeSP node = m_d->view->currentNode();
 
     QPointer<KoShapeManager> newManager;
     newManager = fetchShapeManagerFromNode(node);
 
     m_d->setActiveShapeManager(newManager);
 }
 
 void KisCanvas2::notifyLevelOfDetailChange()
 {
     if (!m_d->effectiveLodAllowedInImage()) return;
 
     const qreal effectiveZoom = m_d->coordinatesConverter->effectiveZoom();
 
     KisConfig cfg(true);
     const int maxLod = cfg.numMipmapLevels();
 
     const int lod = KisLodTransform::scaleToLod(effectiveZoom, maxLod);
 
     if (m_d->effectiveLodAllowedInImage()) {
         KisImageSP image = this->image();
         image->setDesiredLevelOfDetail(lod);
     }
 }
 
 const KoColorProfile *  KisCanvas2::monitorProfile()
 {
     return m_d->displayColorConverter.monitorProfile();
 }
 
 KisViewManager* KisCanvas2::viewManager() const
 {
     if (m_d->view) {
         return m_d->view->viewManager();
     }
     return 0;
 }
 
 QPointer<KisView>KisCanvas2::imageView() const
 {
     return m_d->view;
 }
 
 KisImageWSP KisCanvas2::image() const
 {
     return m_d->view->image();
 
 }
 
 KisImageWSP KisCanvas2::currentImage() const
 {
     return m_d->view->image();
 }
 
 void KisCanvas2::documentOffsetMoved(const QPoint &documentOffset)
 {
     QPointF offsetBefore = m_d->coordinatesConverter->imageRectInViewportPixels().topLeft();
 
     // The given offset is in widget logical pixels. In order to prevent fuzzy
     // canvas rendering at 100% pixel-perfect zoom level when devicePixelRatio
     // is not integral, we adjusts the offset to map to whole device pixels.
     //
     // FIXME: This is a temporary hack for fixing the canvas under fractional
     //        DPI scaling before a new coordinate system is introduced.
     QPointF offsetAdjusted = m_d->coordinatesConverter->snapToDevicePixel(documentOffset);
 
     m_d->coordinatesConverter->setDocumentOffset(offsetAdjusted);
     QPointF offsetAfter = m_d->coordinatesConverter->imageRectInViewportPixels().topLeft();
 
     QPointF moveOffset = offsetAfter - offsetBefore;
 
     if (!m_d->currentCanvasIsOpenGL)
         m_d->prescaledProjection->viewportMoved(moveOffset);
 
     emit documentOffsetUpdateFinished();
 
     updateCanvas();
 
     m_d->regionOfInterestUpdateCompressor.start();
 }
 
 void KisCanvas2::slotConfigChanged()
 {
     KisConfig cfg(true);
     m_d->vastScrolling = cfg.vastScrolling();
 
     resetCanvas(cfg.useOpenGL());
 
     // HACK: Sometimes screenNumber(this->canvasWidget()) is not able to get the
     //       proper screenNumber when moving the window across screens. Using
     //       the coordinates should be able to work around this.
     // FIXME: We should change to associate the display profiles with the screen
     //        model and serial number instead. See https://bugs.kde.org/show_bug.cgi?id=407498
     QScreen *canvasScreen = this->canvasWidget()->window()->windowHandle()->screen();
     QPoint canvasScreenCenter = canvasScreen->geometry().center();
     int canvasScreenNumber = QApplication::desktop()->screenNumber(canvasScreenCenter);
     if (canvasScreenNumber == -1) {
         // Fall back to the old way of getting the screenNumber
         canvasScreenNumber = QApplication::desktop()->screenNumber(this->canvasWidget());
     }
     if (canvasScreenNumber != -1) {
         setDisplayProfile(cfg.displayProfile(canvasScreenNumber));
     } else {
         warnUI << "Failed to get screenNumber for updating display profile.";
     }
 
     initializeFpsDecoration();
 }
 
 void KisCanvas2::refetchDataFromImage()
 {
     KisImageSP image = this->image();
     KisImageBarrierLocker l(image);
     startUpdateInPatches(image->bounds());
 }
 
 void KisCanvas2::setDisplayProfile(const KoColorProfile *monitorProfile)
 {
     if (m_d->displayColorConverter.monitorProfile() == monitorProfile) return;
 
     m_d->displayColorConverter.setMonitorProfile(monitorProfile);
 
     {
         KisImageSP image = this->image();
         KisImageBarrierLocker l(image);
         m_d->canvasWidget->setDisplayColorConverter(&m_d->displayColorConverter);
     }
 
     refetchDataFromImage();
 }
 
 void KisCanvas2::addDecoration(KisCanvasDecorationSP deco)
 {
     m_d->canvasWidget->addDecoration(deco);
 }
 
 KisCanvasDecorationSP KisCanvas2::decoration(const QString& id) const
 {
     return m_d->canvasWidget->decoration(id);
 }
 
 
 QPoint KisCanvas2::documentOrigin() const
 {
     /**
      * In Krita we don't use document origin anymore.
      * All the centering when needed (vastScrolling < 0.5) is done
      * automatically by the KisCoordinatesConverter.
      */
 
     return QPoint();
 }
 
 QPoint KisCanvas2::documentOffset() const
 {
     return m_d->coordinatesConverter->documentOffset();
 }
 
 void KisCanvas2::setFavoriteResourceManager(KisFavoriteResourceManager* favoriteResourceManager)
 {
     m_d->popupPalette = new KisPopupPalette(viewManager(), m_d->coordinatesConverter, favoriteResourceManager, displayColorConverter()->displayRendererInterface(),
                                             m_d->view->resourceProvider(), m_d->canvasWidget->widget());
     connect(m_d->popupPalette, SIGNAL(zoomLevelChanged(int)), this, SLOT(slotPopupPaletteRequestedZoomChange(int)));
     connect(m_d->popupPalette, SIGNAL(sigUpdateCanvas()), this, SLOT(updateCanvas()));
     connect(m_d->view->mainWindow(), SIGNAL(themeChanged()), m_d->popupPalette, SLOT(slotUpdateIcons()));
 
     m_d->popupPalette->showPopupPalette(false);
 }
 
 void KisCanvas2::slotPopupPaletteRequestedZoomChange(int zoom ) {
     m_d->view->viewManager()->zoomController()->setZoom(KoZoomMode::ZOOM_CONSTANT, (qreal)(zoom/100.0)); // 1.0 is 100% zoom
     notifyZoomChanged();
 }
 
 void KisCanvas2::setCursor(const QCursor &cursor)
 {
     canvasWidget()->setCursor(cursor);
 }
 
 KisAnimationFrameCacheSP KisCanvas2::frameCache() const
 {
     return m_d->frameCache;
 }
 
 KisAnimationPlayer *KisCanvas2::animationPlayer() const
 {
     return m_d->animationPlayer;
 }
 
 void KisCanvas2::slotSelectionChanged()
 {
     KisShapeLayer* shapeLayer = dynamic_cast<KisShapeLayer*>(viewManager()->activeLayer().data());
     if (!shapeLayer) {
         return;
     }
     m_d->shapeManager.selection()->deselectAll();
     Q_FOREACH (KoShape* shape, shapeLayer->shapeManager()->selection()->selectedShapes()) {
         m_d->shapeManager.selection()->select(shape);
     }
 }
 
 bool KisCanvas2::isPopupPaletteVisible() const
 {
     if (!m_d->popupPalette) {
         return false;
     }
     return m_d->popupPalette->isVisible();
 }
 
 
 void KisCanvas2::setWrapAroundViewingMode(bool value)
 {
     KisCanvasDecorationSP infinityDecoration =
         m_d->canvasWidget->decoration(INFINITY_DECORATION_ID);
 
     if (infinityDecoration) {
         infinityDecoration->setVisible(!value);
     }
 
     m_d->canvasWidget->setWrapAroundViewingMode(value);
 }
 
 bool KisCanvas2::wrapAroundViewingMode() const
 {
     KisCanvasDecorationSP infinityDecoration =
         m_d->canvasWidget->decoration(INFINITY_DECORATION_ID);
 
     if (infinityDecoration) {
         return !(infinityDecoration->visible());
     }
     return false;
 }
 
 void KisCanvas2::bootstrapFinished()
 {
     if (!m_d->bootstrapLodBlocked) return;
 
     m_d->bootstrapLodBlocked = false;
     setLodAllowedInCanvas(m_d->lodAllowedInImage);
 }
 
 void KisCanvas2::setLodAllowedInCanvas(bool value)
 {
     if (!KisOpenGL::supportsLoD()) {
         qWarning() << "WARNING: Level of Detail functionality is available only with openGL + GLSL 1.3 support";
     }
 
     m_d->lodAllowedInImage =
         value &&
         m_d->currentCanvasIsOpenGL &&
         KisOpenGL::supportsLoD() &&
         (m_d->openGLFilterMode == KisOpenGL::TrilinearFilterMode ||
          m_d->openGLFilterMode == KisOpenGL::HighQualityFiltering);
 
     KisImageSP image = this->image();
 
     if (m_d->effectiveLodAllowedInImage() != !image->levelOfDetailBlocked()) {
         image->setLevelOfDetailBlocked(!m_d->effectiveLodAllowedInImage());
     }
 
     notifyLevelOfDetailChange();
 
     KisConfig cfg(false);
     cfg.setLevelOfDetailEnabled(m_d->lodAllowedInImage);
+
+    KisUsageLogger::log(QString("Instant Preview Setting: %1").arg(m_d->lodAllowedInImage));
 }
 
 bool KisCanvas2::lodAllowedInCanvas() const
 {
     return m_d->lodAllowedInImage;
 }
 
 void KisCanvas2::slotShowPopupPalette(const QPoint &p)
 {
     if (!m_d->popupPalette) {
         return;
     }
 
     m_d->popupPalette->showPopupPalette(p);
 }
 
 KisPaintingAssistantsDecorationSP KisCanvas2::paintingAssistantsDecoration() const
 {
     KisCanvasDecorationSP deco = decoration("paintingAssistantsDecoration");
     return qobject_cast<KisPaintingAssistantsDecoration*>(deco.data());
 }
 
 KisReferenceImagesDecorationSP KisCanvas2::referenceImagesDecoration() const
 {
     KisCanvasDecorationSP deco = decoration("referenceImagesDecoration");
     return qobject_cast<KisReferenceImagesDecoration*>(deco.data());
 }