diff --git a/libs/ui/tool/kis_tool_paint.cc b/libs/ui/tool/kis_tool_paint.cc
index 3ad0ba67f6..e45cc12fa9 100644
--- a/libs/ui/tool/kis_tool_paint.cc
+++ b/libs/ui/tool/kis_tool_paint.cc
@@ -1,815 +1,815 @@
 /*
  *  Copyright (c) 2003-2009 Boudewijn Rempt <boud@valdyas.org>
  *  Copyright (c) 2015 Moritz Molch <kde@moritzmolch.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_tool_paint.h"
 
 #include <algorithm>
 
 #include <QWidget>
 #include <QRect>
 #include <QLayout>
 #include <QLabel>
 #include <QPushButton>
 #include <QWhatsThis>
 #include <QCheckBox>
 #include <QVBoxLayout>
 #include <QHBoxLayout>
 #include <QGridLayout>
 #include <QKeyEvent>
 #include <QEvent>
 #include <QVariant>
 #include <QAction>
 #include <kis_debug.h>
 #include <QPoint>
 
 #include <kis_debug.h>
 #include <klocalizedstring.h>
 #include <kactioncollection.h>
 #include <QAction>
 
 #include <kis_icon.h>
 #include <KoShape.h>
 #include <KoCanvasResourceManager.h>
 #include <KoColorSpace.h>
 #include <KoPointerEvent.h>
 #include <KoColor.h>
 #include <KoCanvasBase.h>
 #include <KoCanvasController.h>
 
 #include <kis_types.h>
 #include <kis_global.h>
 #include <kis_image.h>
 #include <kis_paint_device.h>
 #include <kis_layer.h>
 #include <KisViewManager.h>
 #include <kis_canvas2.h>
 #include <kis_cubic_curve.h>
 #include "kis_display_color_converter.h"
 #include <KisDocument.h>
 #include <KisReferenceImagesLayer.h>
 
 #include "kis_config.h"
 #include "kis_config_notifier.h"
 #include "kis_cursor.h"
 #include "widgets/kis_cmb_composite.h"
 #include "widgets/kis_slider_spin_box.h"
 #include "kis_canvas_resource_provider.h"
 #include <recorder/kis_recorded_paint_action.h>
 #include "kis_tool_utils.h"
 #include <brushengine/kis_paintop.h>
 #include <brushengine/kis_paintop_preset.h>
 #include <kis_action_manager.h>
 #include <kis_action.h>
 #include "strokes/kis_color_picker_stroke_strategy.h"
 #include <kis_canvas_resource_provider.h>
 
 
 KisToolPaint::KisToolPaint(KoCanvasBase *canvas, const QCursor &cursor)
     : KisTool(canvas, cursor),
       m_showColorPreview(false),
       m_colorPreviewShowComparePlate(false),
       m_colorPickerDelayTimer(),
       m_isOutlineEnabled(true)
 {
     m_specialHoverModifier = false;
     m_optionsWidgetLayout = 0;
 
     m_opacity = OPACITY_OPAQUE_U8;
 
     m_supportOutline = false;
 
     {
         int maxSize = KisConfig().readEntry("maximumBrushSize", 1000);
 
         int brushSize = 1;
         do {
             m_standardBrushSizes.push_back(brushSize);
             int increment = qMax(1, int(std::ceil(qreal(brushSize) / 15)));
             brushSize += increment;
         } while (brushSize < maxSize);
 
         m_standardBrushSizes.push_back(maxSize);
     }
 
     KisCanvas2 *kiscanvas = dynamic_cast<KisCanvas2*>(canvas);
     KisActionManager *actionManager = kiscanvas->viewManager()->actionManager();
 
     // XXX: Perhaps a better place for these?
     if (!actionManager->actionByName("increase_brush_size")) {
         KisAction *increaseBrushSize = new KisAction(i18n("Increase Brush Size"));
         increaseBrushSize->setShortcut(Qt::Key_BracketRight);
         actionManager->addAction("increase_brush_size", increaseBrushSize);
     }
 
     if (!actionManager->actionByName("decrease_brush_size")) {
         KisAction *decreaseBrushSize = new KisAction(i18n("Decrease Brush Size"));
         decreaseBrushSize->setShortcut(Qt::Key_BracketLeft);
         actionManager->addAction("decrease_brush_size", decreaseBrushSize);
     }
 
     addAction("increase_brush_size", dynamic_cast<QAction *>(actionManager->actionByName("increase_brush_size")));
     addAction("decrease_brush_size", dynamic_cast<QAction *>(actionManager->actionByName("decrease_brush_size")));
 
     connect(this, SIGNAL(sigPaintingFinished()), kiscanvas->viewManager()->resourceProvider(), SLOT(slotPainting()));
 
     m_colorPickerDelayTimer.setSingleShot(true);
     connect(&m_colorPickerDelayTimer, SIGNAL(timeout()), this, SLOT(activatePickColorDelayed()));
 
     using namespace std::placeholders; // For _1 placeholder
     std::function<void(PickingJob)> callback =
         std::bind(&KisToolPaint::addPickerJob, this, _1);
     m_colorPickingCompressor.reset(
         new PickingCompressor(100, callback, KisSignalCompressor::FIRST_ACTIVE));
 }
 
 
 KisToolPaint::~KisToolPaint()
 {
 }
 
 int KisToolPaint::flags() const
 {
     return KisTool::FLAG_USES_CUSTOM_COMPOSITEOP;
 }
 
 void KisToolPaint::canvasResourceChanged(int key, const QVariant& v)
 {
     KisTool::canvasResourceChanged(key, v);
 
     switch(key) {
     case(KisCanvasResourceProvider::Opacity):
         setOpacity(v.toDouble());
         break;
     default: //nothing
         break;
     }
 
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), SLOT(resetCursorStyle()), Qt::UniqueConnection);
 
 }
 
 
 void KisToolPaint::activate(ToolActivation toolActivation, const QSet<KoShape*> &shapes)
 {
     if (currentPaintOpPreset()) {
         QString formattedBrushName = currentPaintOpPreset()->name().replace("_", " ");
         emit statusTextChanged(formattedBrushName);
     }
 
     KisTool::activate(toolActivation, shapes);
     if (flags() & KisTool::FLAG_USES_CUSTOM_SIZE) {
         connect(action("increase_brush_size"), SIGNAL(triggered()), SLOT(increaseBrushSize()), Qt::UniqueConnection);
         connect(action("decrease_brush_size"), SIGNAL(triggered()), SLOT(decreaseBrushSize()), Qt::UniqueConnection);
     }
 
     KisCanvasResourceProvider *provider = qobject_cast<KisCanvas2*>(canvas())->viewManager()->resourceProvider();
     m_oldOpacity = provider->opacity();
     provider->setOpacity(m_localOpacity);
 }
 
 void KisToolPaint::deactivate()
 {
     if (flags() & KisTool::FLAG_USES_CUSTOM_SIZE) {
         disconnect(action("increase_brush_size"), 0, this, 0);
         disconnect(action("decrease_brush_size"), 0, this, 0);
     }
 
     KisCanvasResourceProvider *provider = qobject_cast<KisCanvas2*>(canvas())->viewManager()->resourceProvider();
     m_localOpacity = provider->opacity();
     provider->setOpacity(m_oldOpacity);
 
     KisTool::deactivate();
 }
 
 QPainterPath KisToolPaint::tryFixBrushOutline(const QPainterPath &originalOutline)
 {
     KisConfig cfg;
     if (cfg.newOutlineStyle() == OUTLINE_NONE) return originalOutline;
 
     const qreal minThresholdSize = cfg.outlineSizeMinimum();
 
     /**
      * If the brush outline is bigger than the canvas itself (which
      * would make it invisible for a user in most of the cases) just
      * add a cross in the center of it
      */
 
     QSize widgetSize = canvas()->canvasWidget()->size();
     const int maxThresholdSum = widgetSize.width() + widgetSize.height();
 
     QPainterPath outline = originalOutline;
     QRectF boundingRect = outline.boundingRect();
     const qreal sum = boundingRect.width() + boundingRect.height();
 
     QPointF center = boundingRect.center();
 
     if (sum > maxThresholdSum) {
         const int hairOffset = 7;
 
         outline.moveTo(center.x(), center.y() - hairOffset);
         outline.lineTo(center.x(), center.y() + hairOffset);
 
         outline.moveTo(center.x() - hairOffset, center.y());
         outline.lineTo(center.x() + hairOffset, center.y());
     } else if (sum < minThresholdSize && !outline.isEmpty()) {
         outline = QPainterPath();
         outline.addEllipse(center, 0.5 * minThresholdSize, 0.5 * minThresholdSize);
     }
 
     return outline;
 }
 
 void KisToolPaint::paint(QPainter &gc, const KoViewConverter &converter)
 {
     Q_UNUSED(converter);
 
     QPainterPath path = tryFixBrushOutline(pixelToView(m_currentOutline));
     paintToolOutline(&gc, path);
 
     if (m_showColorPreview) {
         QRectF viewRect = converter.documentToView(m_oldColorPreviewRect);
         gc.fillRect(viewRect, m_colorPreviewCurrentColor);
 
         if (m_colorPreviewShowComparePlate) {
             QRectF baseColorRect = viewRect.translated(viewRect.width(), 0);
             gc.fillRect(baseColorRect, m_colorPreviewBaseColor);
         }
     }
 }
 
 void KisToolPaint::setMode(ToolMode mode)
 {
     if(this->mode() == KisTool::PAINT_MODE &&
             mode != KisTool::PAINT_MODE) {
 
         // Let's add history information about recently used colors
         emit sigPaintingFinished();
     }
 
     KisTool::setMode(mode);
 }
 
 void KisToolPaint::activatePickColor(AlternateAction action)
 {
     m_showColorPreview = true;
 
     requestUpdateOutline(m_outlineDocPoint, 0);
 
     int resource = colorPreviewResourceId(action);
     KoColor color = canvas()->resourceManager()->koColorResource(resource);
 
     KisCanvas2 * kisCanvas = dynamic_cast<KisCanvas2*>(canvas());
     KIS_ASSERT_RECOVER_RETURN(kisCanvas);
 
     m_colorPreviewCurrentColor = kisCanvas->displayColorConverter()->toQColor(color);
 
     if (!m_colorPreviewBaseColor.isValid()) {
         m_colorPreviewBaseColor = m_colorPreviewCurrentColor;
     }
 }
 
 void KisToolPaint::deactivatePickColor(AlternateAction action)
 {
     Q_UNUSED(action);
 
     m_showColorPreview = false;
     m_oldColorPreviewRect = QRect();
     m_oldColorPreviewUpdateRect = QRect();
     m_colorPreviewCurrentColor = QColor();
 }
 
 void KisToolPaint::pickColorWasOverridden()
 {
     m_colorPreviewShowComparePlate = false;
     m_colorPreviewBaseColor = QColor();
 }
 
 void KisToolPaint::activateAlternateAction(AlternateAction action)
 {
     switch (action) {
     case PickFgNode:
         /* Falls through */
     case PickBgNode:
         /* Falls through */
     case PickFgImage:
         /* Falls through */
     case PickBgImage:
         delayedAction = action;
         m_colorPickerDelayTimer.start(100);
         /* Falls through */
     default:
         pickColorWasOverridden();
         KisTool::activateAlternateAction(action);
     };
 }
 
 void KisToolPaint::activatePickColorDelayed()
 {
     switch (delayedAction) {
         case PickFgNode:
         useCursor(KisCursor::pickerLayerForegroundCursor());
         activatePickColor(delayedAction);
         break;
     case PickBgNode:
         useCursor(KisCursor::pickerLayerBackgroundCursor());
         activatePickColor(delayedAction);
         break;
     case PickFgImage:
         useCursor(KisCursor::pickerImageForegroundCursor());
         activatePickColor(delayedAction);
         break;
     case PickBgImage:
         useCursor(KisCursor::pickerImageBackgroundCursor());
         activatePickColor(delayedAction);
         break;
     default:
         break;
     };
 
     repaintDecorations();
 }
 
 bool KisToolPaint::isPickingAction(AlternateAction action) {
     return action == PickFgNode ||
         action == PickBgNode ||
         action == PickFgImage ||
         action == PickBgImage;
 }
 
 void KisToolPaint::deactivateAlternateAction(AlternateAction action)
 {
     if (!isPickingAction(action)) {
         KisTool::deactivateAlternateAction(action);
         return;
     }
 
     delayedAction = KisTool::NONE;
     m_colorPickerDelayTimer.stop();
 
     resetCursorStyle();
     deactivatePickColor(action);
 }
 
 void KisToolPaint::addPickerJob(const PickingJob &pickingJob)
 {
     /**
      * The actual picking is delayed by a compressor, so we can get this
      * event when the stroke is already closed
      */
     if (!m_pickerStrokeId) return;
 
     KIS_ASSERT_RECOVER_RETURN(isPickingAction(pickingJob.action));
 
     const QPoint imagePoint = image()->documentToImagePixelFloored(pickingJob.documentPixel);
     const bool fromCurrentNode = pickingJob.action == PickFgNode || pickingJob.action == PickBgNode;
     m_pickingResource = colorPreviewResourceId(pickingJob.action);
 
     if (!fromCurrentNode) {
         auto *kisCanvas = dynamic_cast<KisCanvas2*>(canvas());
         KIS_SAFE_ASSERT_RECOVER_RETURN(kisCanvas);
         auto *referencesLayer = kisCanvas->imageView()->document()->referenceImagesLayer();
         if (referencesLayer) {
             QColor color = referencesLayer->getPixel(imagePoint);
-            if (color.isValid() && !color.alpha() == 0) {
+            if (color.isValid() && color.alpha() != 0) {
                 slotColorPickingFinished(KoColor(color, image()->colorSpace()));
                 return;
             }
         }
     }
 
     KisPaintDeviceSP device = fromCurrentNode ?
         currentNode()->colorPickSourceDevice() : image()->projection();
 
     // Used for color picker blending.
     KoColor currentColor = canvas()->resourceManager()->foregroundColor();
     if( pickingJob.action == PickBgNode || pickingJob.action == PickBgImage ){
         currentColor = canvas()->resourceManager()->backgroundColor();
     }
 
     image()->addJob(m_pickerStrokeId,
                     new KisColorPickerStrokeStrategy::Data(device, imagePoint, currentColor));
 }
 
 void KisToolPaint::beginAlternateAction(KoPointerEvent *event, AlternateAction action)
 {
     if (isPickingAction(action)) {
         KIS_ASSERT_RECOVER_RETURN(!m_pickerStrokeId);
         setMode(SECONDARY_PAINT_MODE);
 
         KisColorPickerStrokeStrategy *strategy = new KisColorPickerStrokeStrategy();
         connect(strategy, &KisColorPickerStrokeStrategy::sigColorUpdated,
                 this, &KisToolPaint::slotColorPickingFinished);
 
         m_pickerStrokeId = image()->startStroke(strategy);
         m_colorPickingCompressor->start(PickingJob(event->point, action));
         requestUpdateOutline(event->point, event);
     } else {
         KisTool::beginAlternateAction(event, action);
     }
 }
 
 void KisToolPaint::continueAlternateAction(KoPointerEvent *event, AlternateAction action)
 {
     if (isPickingAction(action)) {
         KIS_ASSERT_RECOVER_RETURN(m_pickerStrokeId);
         m_colorPickingCompressor->start(PickingJob(event->point, action));
         requestUpdateOutline(event->point, event);
     } else {
         KisTool::continueAlternateAction(event, action);
     }
 }
 
 void KisToolPaint::endAlternateAction(KoPointerEvent *event, AlternateAction action)
 {
     if (isPickingAction(action)) {
         KIS_ASSERT_RECOVER_RETURN(m_pickerStrokeId);
         image()->endStroke(m_pickerStrokeId);
         m_pickerStrokeId.clear();
         requestUpdateOutline(event->point, event);
         setMode(HOVER_MODE);
     } else {
         KisTool::endAlternateAction(event, action);
     }
 }
 
 int KisToolPaint::colorPreviewResourceId(AlternateAction action)
 {
     bool toForegroundColor = action == PickFgNode || action == PickFgImage;
     int resource = toForegroundColor ?
         KoCanvasResourceManager::ForegroundColor : KoCanvasResourceManager::BackgroundColor;
 
     return resource;
 }
 
 void KisToolPaint::slotColorPickingFinished(const KoColor &color)
 {
     canvas()->resourceManager()->setResource(m_pickingResource, color);
 
     if (!m_showColorPreview) return;
 
     KisCanvas2 * kisCanvas = dynamic_cast<KisCanvas2*>(canvas());
     KIS_ASSERT_RECOVER_RETURN(kisCanvas);
     QColor previewColor = kisCanvas->displayColorConverter()->toQColor(color);
 
     m_colorPreviewShowComparePlate = true;
     m_colorPreviewCurrentColor = previewColor;
 
     requestUpdateOutline(m_outlineDocPoint, 0);
 }
 
 void KisToolPaint::mousePressEvent(KoPointerEvent *event)
 {
     KisTool::mousePressEvent(event);
     if (mode() == KisTool::HOVER_MODE) {
         requestUpdateOutline(event->point, event);
     }
 }
 
 void KisToolPaint::mouseMoveEvent(KoPointerEvent *event)
 {
     KisTool::mouseMoveEvent(event);
     if (mode() == KisTool::HOVER_MODE) {
         requestUpdateOutline(event->point, event);
     }
 }
 
 void KisToolPaint::mouseReleaseEvent(KoPointerEvent *event)
 {
     KisTool::mouseReleaseEvent(event);
     if (mode() == KisTool::HOVER_MODE) {
         requestUpdateOutline(event->point, event);
     }
 }
 
 QWidget * KisToolPaint::createOptionWidget()
 {
     QWidget *optionWidget = new QWidget();
     optionWidget->setObjectName(toolId());
 
     QVBoxLayout *verticalLayout = new QVBoxLayout(optionWidget);
     verticalLayout->setObjectName("KisToolPaint::OptionWidget::VerticalLayout");
     verticalLayout->setContentsMargins(0,0,0,0);
     verticalLayout->setSpacing(5);
 
     // See https://bugs.kde.org/show_bug.cgi?id=316896
     QWidget *specialSpacer = new QWidget(optionWidget);
     specialSpacer->setObjectName("SpecialSpacer");
     specialSpacer->setFixedSize(0, 0);
     verticalLayout->addWidget(specialSpacer);
     verticalLayout->addWidget(specialSpacer);
 
     m_optionsWidgetLayout = new QGridLayout();
     m_optionsWidgetLayout->setColumnStretch(1, 1);
 
     verticalLayout->addLayout(m_optionsWidgetLayout);
     m_optionsWidgetLayout->setContentsMargins(0,0,0,0);
     m_optionsWidgetLayout->setSpacing(5);
 
     if (!quickHelp().isEmpty()) {
         QPushButton *push = new QPushButton(KisIconUtils::loadIcon("help-contents"), QString(), optionWidget);
         connect(push, SIGNAL(clicked()), this, SLOT(slotPopupQuickHelp()));
 
         QHBoxLayout *hLayout = new QHBoxLayout(optionWidget);
         hLayout->addWidget(push);
         hLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Fixed));
         verticalLayout->addLayout(hLayout);
     }
 
     return optionWidget;
 }
 
 QWidget* findLabelWidget(QGridLayout *layout, QWidget *control)
 {
     QWidget *result = 0;
 
     int index = layout->indexOf(control);
 
     int row, col, rowSpan, colSpan;
     layout->getItemPosition(index, &row, &col, &rowSpan, &colSpan);
 
     if (col > 0) {
         QLayoutItem *item = layout->itemAtPosition(row, col - 1);
 
         if (item) {
             result = item->widget();
         }
     } else {
         QLayoutItem *item = layout->itemAtPosition(row, col + 1);
         if (item) {
             result = item->widget();
         }
     }
 
     return result;
 }
 
 void KisToolPaint::showControl(QWidget *control, bool value)
 {
     control->setVisible(value);
     QWidget *label = findLabelWidget(m_optionsWidgetLayout, control);
     if (label) {
         label->setVisible(value);
     }
 }
 
 void KisToolPaint::enableControl(QWidget *control, bool value)
 {
     control->setEnabled(value);
     QWidget *label = findLabelWidget(m_optionsWidgetLayout, control);
     if (label) {
         label->setEnabled(value);
     }
 }
 
 void KisToolPaint::addOptionWidgetLayout(QLayout *layout)
 {
     Q_ASSERT(m_optionsWidgetLayout != 0);
     int rowCount = m_optionsWidgetLayout->rowCount();
     m_optionsWidgetLayout->addLayout(layout, rowCount, 0, 1, 2);
 }
 
 
 void KisToolPaint::addOptionWidgetOption(QWidget *control, QWidget *label)
 {
     Q_ASSERT(m_optionsWidgetLayout != 0);
     if (label) {
         m_optionsWidgetLayout->addWidget(label, m_optionsWidgetLayout->rowCount(), 0);
         m_optionsWidgetLayout->addWidget(control, m_optionsWidgetLayout->rowCount() - 1, 1);
     }
     else {
         m_optionsWidgetLayout->addWidget(control, m_optionsWidgetLayout->rowCount(), 0, 1, 2);
     }
 }
 
 
 void KisToolPaint::setOpacity(qreal opacity)
 {
     m_opacity = quint8(opacity * OPACITY_OPAQUE_U8);
 }
 
 const KoCompositeOp* KisToolPaint::compositeOp()
 {
     if (currentNode()) {
         KisPaintDeviceSP device = currentNode()->paintDevice();
         if (device) {
             QString op = canvas()->resourceManager()->resource(KisCanvasResourceProvider::CurrentCompositeOp).toString();
             return device->colorSpace()->compositeOp(op);
         }
     }
     return 0;
 }
 
 void KisToolPaint::slotPopupQuickHelp()
 {
     QWhatsThis::showText(QCursor::pos(), quickHelp());
 }
 
 void KisToolPaint::setupPaintAction(KisRecordedPaintAction* action)
 {
     KisTool::setupPaintAction(action);
     action->setOpacity(m_opacity / qreal(255.0));
     const KoCompositeOp *op = compositeOp();
     if (op) {
         action->setCompositeOp(op->id());
     }
 }
 
 KisToolPaint::NodePaintAbility KisToolPaint::nodePaintAbility()
 {
     KisNodeSP node = currentNode();
     if (!node) {
         return NONE;
     }
     if (node->inherits("KisShapeLayer")) {
         return VECTOR;
     }
     if (node->inherits("KisCloneLayer")) {
         return CLONE;
     }
     if (node->paintDevice()) {
         return PAINT;
     }
     return NONE;
 }
 
 void KisToolPaint::activatePrimaryAction()
 {
     pickColorWasOverridden();
     setOutlineEnabled(true);
     KisTool::activatePrimaryAction();
 }
 
 void KisToolPaint::deactivatePrimaryAction()
 {
     setOutlineEnabled(false);
     KisTool::deactivatePrimaryAction();
 }
 
 bool KisToolPaint::isOutlineEnabled() const
 {
     return m_isOutlineEnabled;
 }
 
 void KisToolPaint::setOutlineEnabled(bool value)
 {
     m_isOutlineEnabled = value;
     requestUpdateOutline(m_outlineDocPoint, 0);
 }
 
 void KisToolPaint::increaseBrushSize()
 {
     qreal paintopSize = currentPaintOpPreset()->settings()->paintOpSize();
 
     std::vector<int>::iterator result =
         std::upper_bound(m_standardBrushSizes.begin(),
                          m_standardBrushSizes.end(),
                          qRound(paintopSize));
 
     int newValue = result != m_standardBrushSizes.end() ? *result : m_standardBrushSizes.back();
 
     currentPaintOpPreset()->settings()->setPaintOpSize(newValue);
     requestUpdateOutline(m_outlineDocPoint, 0);
 }
 
 void KisToolPaint::decreaseBrushSize()
 {
     qreal paintopSize = currentPaintOpPreset()->settings()->paintOpSize();
 
     std::vector<int>::reverse_iterator result =
         std::upper_bound(m_standardBrushSizes.rbegin(),
                          m_standardBrushSizes.rend(),
                          (int)paintopSize,
                          std::greater<int>());
 
     int newValue = result != m_standardBrushSizes.rend() ? *result : m_standardBrushSizes.front();
 
     currentPaintOpPreset()->settings()->setPaintOpSize(newValue);
     requestUpdateOutline(m_outlineDocPoint, 0);
 }
 
 QRectF KisToolPaint::colorPreviewDocRect(const QPointF &outlineDocPoint)
 {
     if (!m_showColorPreview) return QRect();
 
     KisConfig cfg;
 
     const QRectF colorPreviewViewRect = cfg.colorPreviewRect();
     const QRectF colorPreviewDocumentRect = canvas()->viewConverter()->viewToDocument(colorPreviewViewRect);
 
     return colorPreviewDocumentRect.translated(outlineDocPoint);
 }
 
 void KisToolPaint::requestUpdateOutline(const QPointF &outlineDocPoint, const KoPointerEvent *event)
 {
     if (!m_supportOutline) return;
 
     KisConfig cfg;
     KisPaintOpSettings::OutlineMode outlineMode;
 
     if (isOutlineEnabled() &&
         (mode() == KisTool::GESTURE_MODE ||
          ((cfg.newOutlineStyle() == OUTLINE_FULL ||
            cfg.newOutlineStyle() == OUTLINE_CIRCLE ||
            cfg.newOutlineStyle() == OUTLINE_TILT) &&
           ((mode() == HOVER_MODE) ||
            (mode() == PAINT_MODE && cfg.showOutlineWhilePainting()))))) { // lisp forever!
 
         outlineMode.isVisible = true;
 
         if (cfg.newOutlineStyle() == OUTLINE_CIRCLE) {
             outlineMode.forceCircle = true;
         } else if(cfg.newOutlineStyle() == OUTLINE_TILT) {
             outlineMode.forceCircle = true;
             outlineMode.showTiltDecoration = true;
         } else {
             // noop
         }
     }
 
     outlineMode.forceFullSize = cfg.forceAlwaysFullSizedOutline();
 
     m_outlineDocPoint = outlineDocPoint;
     m_currentOutline = getOutlinePath(m_outlineDocPoint, event, outlineMode);
 
     QRectF outlinePixelRect = m_currentOutline.boundingRect();
     QRectF outlineDocRect = currentImage()->pixelToDocument(outlinePixelRect);
 
     // This adjusted call is needed as we paint with a 3 pixel wide brush and the pen is outside the bounds of the path
     // Pen uses view coordinates so we have to zoom the document value to match 2 pixel in view coordiates
     // See BUG 275829
     qreal zoomX;
     qreal zoomY;
     canvas()->viewConverter()->zoom(&zoomX, &zoomY);
     qreal xoffset = 2.0/zoomX;
     qreal yoffset = 2.0/zoomY;
 
     if (!outlineDocRect.isEmpty()) {
         outlineDocRect.adjust(-xoffset,-yoffset,xoffset,yoffset);
     }
 
     QRectF colorPreviewDocRect = this->colorPreviewDocRect(m_outlineDocPoint);
     QRectF colorPreviewDocUpdateRect;
     if (!colorPreviewDocRect.isEmpty()) {
         colorPreviewDocUpdateRect.adjust(-xoffset,-yoffset,xoffset,yoffset);
     }
 
     // DIRTY HACK ALERT: we should fetch the assistant's dirty rect when requesting
     //                   the update, instead of just dumbly update the entire canvas!
 
     KisCanvas2 * kiscanvas = dynamic_cast<KisCanvas2*>(canvas());
     KisPaintingAssistantsDecorationSP decoration = kiscanvas->paintingAssistantsDecoration();
     if (decoration && decoration->visible()) {
         kiscanvas->updateCanvas();
     } else {
         // TODO: only this branch should be present!
         if (!m_oldColorPreviewUpdateRect.isEmpty()) {
             canvas()->updateCanvas(m_oldColorPreviewUpdateRect);
         }
 
         if (!m_oldOutlineRect.isEmpty()) {
             canvas()->updateCanvas(m_oldOutlineRect);
         }
 
         if (!outlineDocRect.isEmpty()) {
             canvas()->updateCanvas(outlineDocRect);
         }
 
         if (!colorPreviewDocUpdateRect.isEmpty()) {
             canvas()->updateCanvas(colorPreviewDocUpdateRect);
         }
     }
 
     m_oldOutlineRect = outlineDocRect;
     m_oldColorPreviewRect = colorPreviewDocRect;
     m_oldColorPreviewUpdateRect = colorPreviewDocUpdateRect;
 }
 
 QPainterPath KisToolPaint::getOutlinePath(const QPointF &documentPos,
                                           const KoPointerEvent *event,
                                           KisPaintOpSettings::OutlineMode outlineMode)
 {
     Q_UNUSED(event);
 
     QPointF imagePos = currentImage()->documentToPixel(documentPos);
     QPainterPath path = currentPaintOpPreset()->settings()->
         brushOutline(KisPaintInformation(imagePos), outlineMode);
 
     return path;
 }