diff --git a/libs/image/kis_keyframe_channel.cpp b/libs/image/kis_keyframe_channel.cpp
index afc32c374e..8493234821 100644
--- a/libs/image/kis_keyframe_channel.cpp
+++ b/libs/image/kis_keyframe_channel.cpp
@@ -1,676 +1,679 @@
 /*
  *  Copyright (c) 2015 Jouni Pentikäinen <joupent@gmail.com>
  *
  *  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_keyframe_channel.h"
 #include "KoID.h"
 #include "kis_global.h"
 #include "kis_node.h"
 #include "kis_time_range.h"
 #include "kundo2command.h"
 #include "kis_keyframe_commands.h"
 
 #include <QMap>
 
 const KoID KisKeyframeChannel::Content = KoID("content", ki18n("Content"));
 const KoID KisKeyframeChannel::Opacity = KoID("opacity", ki18n("Opacity"));
 const KoID KisKeyframeChannel::TransformArguments = KoID("transform_arguments", ki18n("Transform"));
 const KoID KisKeyframeChannel::TransformPositionX = KoID("transform_pos_x", ki18n("Position (X)"));
 const KoID KisKeyframeChannel::TransformPositionY = KoID("transform_pos_y", ki18n("Position (Y)"));
 const KoID KisKeyframeChannel::TransformScaleX = KoID("transform_scale_x", ki18n("Scale (X)"));
 const KoID KisKeyframeChannel::TransformScaleY = KoID("transform_scale_y", ki18n("Scale (Y)"));
 const KoID KisKeyframeChannel::TransformShearX = KoID("transform_shear_x", ki18n("Shear (X)"));
 const KoID KisKeyframeChannel::TransformShearY = KoID("transform_shear_y", ki18n("Shear (Y)"));
 const KoID KisKeyframeChannel::TransformRotationX = KoID("transform_rotation_x", ki18n("Rotation (X)"));
 const KoID KisKeyframeChannel::TransformRotationY = KoID("transform_rotation_y", ki18n("Rotation (Y)"));
 const KoID KisKeyframeChannel::TransformRotationZ = KoID("transform_rotation_z", ki18n("Rotation (Z)"));
 
 struct KisKeyframeChannel::Private
 {
     Private() {}
     Private(const Private &rhs) {
         id = rhs.id;
         haveBrokenFrameTimeBug = rhs.haveBrokenFrameTimeBug;
     }
 
     KeyframesMap keys;
     KisNodeWSP node;
     KoID id;
     KisDefaultBoundsBaseSP defaultBounds;
     bool haveBrokenFrameTimeBug = false;
 };
 
 KisKeyframeChannel::KisKeyframeChannel(const KoID &id, KisNodeWSP parent)
     : m_d(new Private)
 {
     m_d->id = id;
     m_d->node = parent;
     m_d->defaultBounds = KisDefaultBoundsNodeWrapperSP( new KisDefaultBoundsNodeWrapper( parent ));
 }
 
 KisKeyframeChannel::KisKeyframeChannel(const KisKeyframeChannel &rhs, KisNodeWSP newParent)
     : m_d(new Private(*rhs.m_d))
 {
     KIS_ASSERT_RECOVER_NOOP(&rhs != this);
 
     m_d->node = newParent;
     m_d->defaultBounds = KisDefaultBoundsNodeWrapperSP( new KisDefaultBoundsNodeWrapper( newParent ));
 
     Q_FOREACH(KisKeyframeSP keyframe, rhs.m_d->keys) {
         m_d->keys.insert(keyframe->time(), keyframe->cloneFor(this));
     }
 }
 
 KisKeyframeChannel::~KisKeyframeChannel()
 {}
 
 QString KisKeyframeChannel::id() const
 {
     return m_d->id.id();
 }
 
 QString KisKeyframeChannel::name() const
 {
     return m_d->id.name();
 }
 
 void KisKeyframeChannel::setNode(KisNodeWSP node)
 {
     m_d->node = node;
     m_d->defaultBounds = KisDefaultBoundsNodeWrapperSP( new KisDefaultBoundsNodeWrapper( node ));
 }
 
 KisNodeWSP KisKeyframeChannel::node() const
 {
     return m_d->node;
 }
 
 int KisKeyframeChannel::keyframeCount() const
 {
     return m_d->keys.count();
 }
 
 KisKeyframeChannel::KeyframesMap& KisKeyframeChannel::keys()
 {
     return m_d->keys;
 }
 
 const KisKeyframeChannel::KeyframesMap& KisKeyframeChannel::constKeys() const
 {
     return m_d->keys;
 }
 
 #define LAZY_INITIALIZE_PARENT_COMMAND(cmd)       \
     QScopedPointer<KUndo2Command> __tempCommand;  \
     if (!parentCommand) {                         \
         __tempCommand.reset(new KUndo2Command()); \
         cmd = __tempCommand.data();               \
     }
 
 KisKeyframeSP KisKeyframeChannel::addKeyframe(int time, KUndo2Command *parentCommand)
 {
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
     return insertKeyframe(time, KisKeyframeSP(), parentCommand);
 }
 
 KisKeyframeSP KisKeyframeChannel::copyKeyframe(const KisKeyframeSP keyframe, int newTime, KUndo2Command *parentCommand)
 {
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
     return insertKeyframe(newTime, keyframe, parentCommand);
 }
 
 KisKeyframeSP KisKeyframeChannel::insertKeyframe(int time, const KisKeyframeSP copySrc, KUndo2Command *parentCommand)
 {
     KisKeyframeSP keyframe = keyframeAt(time);
     if (keyframe) {
         deleteKeyframeImpl(keyframe, parentCommand, false);
     }
 
     Q_ASSERT(parentCommand);
     keyframe = createKeyframe(time, copySrc, parentCommand);
 
     KUndo2Command *cmd = new KisReplaceKeyframeCommand(this, keyframe->time(), keyframe, parentCommand);
     cmd->redo();
 
     return keyframe;
 }
 
 bool KisKeyframeChannel::deleteKeyframe(KisKeyframeSP keyframe, KUndo2Command *parentCommand)
 {
     return deleteKeyframeImpl(keyframe, parentCommand, true);
 }
 
 bool KisKeyframeChannel::moveKeyframe(KisKeyframeSP keyframe, int newTime, KUndo2Command *parentCommand)
 {
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
 
     if (newTime == keyframe->time()) return false;
 
     KisKeyframeSP other = keyframeAt(newTime);
     if (other) {
         deleteKeyframeImpl(other, parentCommand, false);
     }
 
     const int srcTime = keyframe->time();
 
     KUndo2Command *cmd = new KisMoveFrameCommand(this, keyframe, srcTime, newTime, parentCommand);
     cmd->redo();
 
     if (srcTime == 0) {
         addKeyframe(srcTime, parentCommand);
     }
 
     return true;
 }
 
 bool KisKeyframeChannel::swapFrames(int lhsTime, int rhsTime, KUndo2Command *parentCommand)
 {
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
 
     if (lhsTime == rhsTime) return false;
 
     KisKeyframeSP lhsFrame = keyframeAt(lhsTime);
     KisKeyframeSP rhsFrame = keyframeAt(rhsTime);
 
     if (!lhsFrame && !rhsFrame) return false;
 
     if (lhsFrame && !rhsFrame) {
         moveKeyframe(lhsFrame, rhsTime, parentCommand);
     } else if (!lhsFrame && rhsFrame) {
         moveKeyframe(rhsFrame, lhsTime, parentCommand);
     } else {
         KUndo2Command *cmd = new KisSwapFramesCommand(this, lhsFrame, rhsFrame, parentCommand);
         cmd->redo();
     }
 
     return true;
 }
 
 bool KisKeyframeChannel::deleteKeyframeImpl(KisKeyframeSP keyframe, KUndo2Command *parentCommand, bool recreate)
 {
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
 
     Q_ASSERT(parentCommand);
 
     KUndo2Command *cmd = new KisReplaceKeyframeCommand(this, keyframe->time(), KisKeyframeSP(), parentCommand);
     cmd->redo();
     destroyKeyframe(keyframe, parentCommand);
 
     if (recreate && keyframe->time() == 0) {
         addKeyframe(0, parentCommand);
     }
 
     return true;
 }
 
 void KisKeyframeChannel::moveKeyframeImpl(KisKeyframeSP keyframe, int newTime)
 {
     KIS_ASSERT_RECOVER_RETURN(keyframe);
     KIS_ASSERT_RECOVER_RETURN(!keyframeAt(newTime));
 
     KisTimeRange rangeSrc = affectedFrames(keyframe->time());
     QRect rectSrc = affectedRect(keyframe);
 
     emit sigKeyframeAboutToBeMoved(keyframe, newTime);
 
     m_d->keys.remove(keyframe->time());
     int oldTime = keyframe->time();
     keyframe->setTime(newTime);
     m_d->keys.insert(newTime, keyframe);
 
     emit sigKeyframeMoved(keyframe, oldTime);
 
     KisTimeRange rangeDst = affectedFrames(keyframe->time());
     QRect rectDst = affectedRect(keyframe);
 
     requestUpdate(rangeSrc, rectSrc);
     requestUpdate(rangeDst, rectDst);
 }
 
 void KisKeyframeChannel::swapKeyframesImpl(KisKeyframeSP lhsKeyframe, KisKeyframeSP rhsKeyframe)
 {
     KIS_ASSERT_RECOVER_RETURN(lhsKeyframe);
     KIS_ASSERT_RECOVER_RETURN(rhsKeyframe);
 
     KisTimeRange rangeLhs = affectedFrames(lhsKeyframe->time());
     KisTimeRange rangeRhs = affectedFrames(rhsKeyframe->time());
 
     const QRect rectLhsSrc = affectedRect(lhsKeyframe);
     const QRect rectRhsSrc = affectedRect(rhsKeyframe);
 
     const int lhsTime = lhsKeyframe->time();
     const int rhsTime = rhsKeyframe->time();
 
     emit sigKeyframeAboutToBeMoved(lhsKeyframe, rhsTime);
     emit sigKeyframeAboutToBeMoved(rhsKeyframe, lhsTime);
 
     m_d->keys.remove(lhsTime);
     m_d->keys.remove(rhsTime);
 
     rhsKeyframe->setTime(lhsTime);
     lhsKeyframe->setTime(rhsTime);
 
     m_d->keys.insert(lhsTime, rhsKeyframe);
     m_d->keys.insert(rhsTime, lhsKeyframe);
 
     emit sigKeyframeMoved(lhsKeyframe, lhsTime);
     emit sigKeyframeMoved(rhsKeyframe, rhsTime);
 
     const QRect rectLhsDst = affectedRect(lhsKeyframe);
     const QRect rectRhsDst = affectedRect(rhsKeyframe);
 
     requestUpdate(rangeLhs, rectLhsSrc | rectRhsDst);
     requestUpdate(rangeRhs, rectRhsSrc | rectLhsDst);
 }
 
 KisKeyframeSP KisKeyframeChannel::replaceKeyframeAt(int time, KisKeyframeSP newKeyframe)
 {
     Q_ASSERT(newKeyframe.isNull() || time == newKeyframe->time());
 
     KisKeyframeSP existingKeyframe = keyframeAt(time);
     if (!existingKeyframe.isNull()) {
         removeKeyframeLogical(existingKeyframe);
     }
 
     if (!newKeyframe.isNull()) {
         insertKeyframeLogical(newKeyframe);
     }
 
     return existingKeyframe;
 }
 
 void KisKeyframeChannel::insertKeyframeLogical(KisKeyframeSP keyframe)
 {
     const int time = keyframe->time();
 
     emit sigKeyframeAboutToBeAdded(keyframe);
     m_d->keys.insert(time, keyframe);
     emit sigKeyframeAdded(keyframe);
 
     QRect rect = affectedRect(keyframe);
     KisTimeRange range = affectedFrames(time);
     requestUpdate(range, rect);
 }
 
 void KisKeyframeChannel::removeKeyframeLogical(KisKeyframeSP keyframe)
 {
     QRect rect = affectedRect(keyframe);
     KisTimeRange range = affectedFrames(keyframe->time());
 
     emit sigKeyframeAboutToBeRemoved(keyframe);
     m_d->keys.remove(keyframe->time());
     emit sigKeyframeRemoved(keyframe);
 
     requestUpdate(range, rect);
 }
 
 KisKeyframeSP KisKeyframeChannel::keyframeAt(int time) const
 {
     KeyframesMap::const_iterator i = m_d->keys.constFind(time);
     if (i != m_d->keys.constEnd()) {
         return i.value();
     }
 
     return KisKeyframeSP();
 }
 
 KisKeyframeSP KisKeyframeChannel::activeKeyframeAt(int time) const
 {
     KeyframesMap::const_iterator i = activeKeyIterator(time);
     if (i != m_d->keys.constEnd()) {
         return i.value();
     }
 
     return KisKeyframeSP();
 }
 
 KisKeyframeSP KisKeyframeChannel::currentlyActiveKeyframe() const
 {
     return activeKeyframeAt(currentTime());
 }
 
 KisKeyframeSP KisKeyframeChannel::firstKeyframe() const
 {
     if (m_d->keys.isEmpty()) return KisKeyframeSP();
     return m_d->keys.first();
 }
 
 KisKeyframeSP KisKeyframeChannel::nextKeyframe(KisKeyframeSP keyframe) const
 {
     KeyframesMap::const_iterator i = m_d->keys.constFind(keyframe->time());
     if (i == m_d->keys.constEnd()) return KisKeyframeSP(0);
 
     i++;
 
     if (i == m_d->keys.constEnd()) return KisKeyframeSP(0);
     return i.value();
 }
 
 KisKeyframeSP KisKeyframeChannel::previousKeyframe(KisKeyframeSP keyframe) const
 {
     KeyframesMap::const_iterator i = m_d->keys.constFind(keyframe->time());
     if (i == m_d->keys.constBegin() || i == m_d->keys.constEnd()) return KisKeyframeSP(0);
     i--;
 
     return i.value();
 }
 
 KisKeyframeSP KisKeyframeChannel::lastKeyframe() const
 {
     if (m_d->keys.isEmpty()) return KisKeyframeSP(0);
 
     return (m_d->keys.end()-1).value();
 }
 
 int KisKeyframeChannel::framesHash() const
 {
     KeyframesMap::const_iterator it = m_d->keys.constBegin();
     KeyframesMap::const_iterator end = m_d->keys.constEnd();
 
     int hash = 0;
 
     while (it != end) {
         hash += it.key();
         ++it;
     }
 
     return hash;
 }
 
 QSet<int> KisKeyframeChannel::allKeyframeIds() const
 {
     QSet<int> frames;
 
     KeyframesMap::const_iterator it = m_d->keys.constBegin();
     KeyframesMap::const_iterator end = m_d->keys.constEnd();
 
     while (it != end) {
         frames.insert(it.key());
         ++it;
     }
 
     return frames;
 }
 
 KisTimeRange KisKeyframeChannel::affectedFrames(int time) const
 {
     if (m_d->keys.isEmpty()) return KisTimeRange::infinite(0);
 
     KeyframesMap::const_iterator active = activeKeyIterator(time);
     KeyframesMap::const_iterator next;
 
+    // ie. time is before the first keyframe
+    const bool noActiveKeyframe = (active == m_d->keys.constEnd());
+
     int from;
 
-    if (active == m_d->keys.constEnd()) {
-        // No active keyframe, ie. time is before the first keyframe
+    if (noActiveKeyframe) {
         from = 0;
         next = m_d->keys.constBegin();
     } else {
         from = active.key();
         next = active + 1;
     }
 
-    const KisKeyframe::InterpolationMode activeMode = active->data()->interpolationMode();
-
     if (next == m_d->keys.constEnd()) {
         return KisTimeRange::infinite(from);
     } else {
-        if (activeMode == KisKeyframe::InterpolationMode::Constant) {
+        const KisKeyframe::InterpolationMode activeMode = noActiveKeyframe ? KisKeyframe::Constant :
+                                                                active->data()->interpolationMode();
+
+        if (activeMode == KisKeyframe::Constant) {
             return KisTimeRange::fromTime(from, next.key() - 1);
         } else {
             return KisTimeRange::fromTime(from, from);
         }
     }
 }
 
 KisTimeRange KisKeyframeChannel::identicalFrames(int time) const
 {
     KeyframesMap::const_iterator active = activeKeyIterator(time);
 
     if (active != m_d->keys.constEnd() && (active+1) != m_d->keys.constEnd()) {
         if (active->data()->interpolationMode() != KisKeyframe::Constant) {
             return KisTimeRange::fromTime(time, time);
         }
     }
 
     return affectedFrames(time);
 }
 
 int KisKeyframeChannel::keyframeRowIndexOf(KisKeyframeSP keyframe) const
 {
     KeyframesMap::const_iterator it = m_d->keys.constBegin();
     KeyframesMap::const_iterator end = m_d->keys.constEnd();
 
     int row = 0;
 
     for (; it != end; ++it) {
         if (it.value().data() == keyframe) {
             return row;
         }
 
         row++;
     }
 
     return -1;
 }
 
 KisKeyframeSP KisKeyframeChannel::keyframeAtRow(int row) const
 {
     KeyframesMap::const_iterator it = m_d->keys.constBegin();
     KeyframesMap::const_iterator end = m_d->keys.constEnd();
 
     for (; it != end; ++it) {
         if (row <= 0) {
             return it.value();
         }
 
         row--;
     }
 
     return KisKeyframeSP();
 }
 
 int KisKeyframeChannel::keyframeInsertionRow(int time) const
 {
     KeyframesMap::const_iterator it = m_d->keys.constBegin();
     KeyframesMap::const_iterator end = m_d->keys.constEnd();
 
     int row = 0;
 
     for (; it != end; ++it) {
         if (it.value()->time() > time) {
             break;
         }
         row++;
     }
 
     return row;
 }
 
 QDomElement KisKeyframeChannel::toXML(QDomDocument doc, const QString &layerFilename)
 {
     QDomElement channelElement = doc.createElement("channel");
 
     channelElement.setAttribute("name", id());
 
     Q_FOREACH (KisKeyframeSP keyframe, m_d->keys.values()) {
         QDomElement keyframeElement = doc.createElement("keyframe");
         keyframeElement.setAttribute("time", keyframe->time());
         keyframeElement.setAttribute("color-label", keyframe->colorLabel());
 
         saveKeyframe(keyframe, keyframeElement, layerFilename);
 
         channelElement.appendChild(keyframeElement);
     }
 
     return channelElement;
 }
 
 void KisKeyframeChannel::loadXML(const QDomElement &channelNode)
 {
     for (QDomElement keyframeNode = channelNode.firstChildElement(); !keyframeNode.isNull(); keyframeNode = keyframeNode.nextSiblingElement()) {
         if (keyframeNode.nodeName().toUpper() != "KEYFRAME") continue;
 
         KisKeyframeSP keyframe = loadKeyframe(keyframeNode);
         KIS_SAFE_ASSERT_RECOVER(keyframe) { continue; }
 
         if (keyframeNode.hasAttribute("color-label")) {
             keyframe->setColorLabel(keyframeNode.attribute("color-label").toUInt());
         }
 
         m_d->keys.insert(keyframe->time(), keyframe);
     }
 }
 
 bool KisKeyframeChannel::swapExternalKeyframe(KisKeyframeChannel *srcChannel, int srcTime, int dstTime, KUndo2Command *parentCommand)
 {
     if (srcChannel->id() != id()) {
         warnKrita << "Cannot copy frames from different ids:" << ppVar(srcChannel->id()) << ppVar(id());
         return KisKeyframeSP();
     }
 
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
 
     KisKeyframeSP srcFrame = srcChannel->keyframeAt(srcTime);
     KisKeyframeSP dstFrame = keyframeAt(dstTime);
 
     if (!dstFrame && srcFrame) {
         copyExternalKeyframe(srcChannel, srcTime, dstTime, parentCommand);
         srcChannel->deleteKeyframe(srcFrame, parentCommand);
     } else if (dstFrame && !srcFrame) {
         srcChannel->copyExternalKeyframe(this, dstTime, srcTime, parentCommand);
         deleteKeyframe(dstFrame, parentCommand);
     } else if (dstFrame && srcFrame) {
         const int fakeFrameTime = -1;
 
         KisKeyframeSP newKeyframe = createKeyframe(fakeFrameTime, KisKeyframeSP(), parentCommand);
         uploadExternalKeyframe(srcChannel, srcTime, newKeyframe);
 
         srcChannel->copyExternalKeyframe(this, dstTime, srcTime, parentCommand);
 
         // do not recreate frame!
         deleteKeyframeImpl(dstFrame, parentCommand, false);
 
         newKeyframe->setTime(dstTime);
 
         KUndo2Command *cmd = new KisReplaceKeyframeCommand(this, newKeyframe->time(), newKeyframe, parentCommand);
         cmd->redo();
     }
 
     return true;
 }
 
 
 KisKeyframeSP KisKeyframeChannel::copyExternalKeyframe(KisKeyframeChannel *srcChannel, int srcTime, int dstTime, KUndo2Command *parentCommand)
 {
     if (srcChannel->id() != id()) {
         warnKrita << "Cannot copy frames from different ids:" << ppVar(srcChannel->id()) << ppVar(id());
         return KisKeyframeSP();
     }
 
     LAZY_INITIALIZE_PARENT_COMMAND(parentCommand);
 
     KisKeyframeSP dstFrame = keyframeAt(dstTime);
     if (dstFrame) {
         deleteKeyframeImpl(dstFrame, parentCommand, false);
     }
 
     KisKeyframeSP newKeyframe = createKeyframe(dstTime, KisKeyframeSP(), parentCommand);
     uploadExternalKeyframe(srcChannel, srcTime, newKeyframe);
 
     KUndo2Command *cmd = new KisReplaceKeyframeCommand(this, newKeyframe->time(), newKeyframe, parentCommand);
     cmd->redo();
 
     return newKeyframe;
 }
 
 KisKeyframeChannel::KeyframesMap::const_iterator
 KisKeyframeChannel::activeKeyIterator(int time) const
 {
     KeyframesMap::const_iterator i = const_cast<const KeyframesMap*>(&m_d->keys)->upperBound(time);
 
     if (i == m_d->keys.constBegin()) return m_d->keys.constEnd();
     return --i;
 }
 
 void KisKeyframeChannel::requestUpdate(const KisTimeRange &range, const QRect &rect)
 {
     if (m_d->node) {
         m_d->node->invalidateFrames(range, rect);
 
         int currentTime = m_d->defaultBounds->currentTime();
         if (range.contains(currentTime)) {
             m_d->node->setDirty(rect);
         }
     }
 }
 
 void KisKeyframeChannel::workaroundBrokenFrameTimeBug(int *time)
 {
     /**
      * Between Krita 4.1 and 4.4 Krita had a bug which resulted in creating frames
      * with negative time stamp. The bug has been fixed, but there might be some files
      * still in the wild.
      *
      * TODO: remove this workaround in Krita 5.0, when no such file are left :)
      */
 
     if (*time < 0) {
         qWarning() << "WARNING: Loading a file with negative animation frames!";
         qWarning() << "         The file has been saved with a buggy version of Krita.";
         qWarning() << "         All the frames with negative ids will be dropped!";
         qWarning() << "         " << ppVar(this->id()) << ppVar(*time);
 
         m_d->haveBrokenFrameTimeBug = true;
         *time = 0;
     }
 
     if (m_d->haveBrokenFrameTimeBug) {
         while (keyframeAt(*time)) {
             (*time)++;
         }
     }
 }
 
 int KisKeyframeChannel::currentTime() const
 {
     return m_d->defaultBounds->currentTime();
 }
 
 qreal KisKeyframeChannel::minScalarValue() const
 {
     return 0;
 }
 
 qreal KisKeyframeChannel::maxScalarValue() const
 {
     return 0;
 }
 
 qreal KisKeyframeChannel::scalarValue(const KisKeyframeSP keyframe) const
 {
     Q_UNUSED(keyframe);
 
     return 0;
 }
 
 void KisKeyframeChannel::setScalarValue(KisKeyframeSP keyframe, qreal value, KUndo2Command *parentCommand)
 {
     Q_UNUSED(keyframe);
     Q_UNUSED(value);
     Q_UNUSED(parentCommand);
 }