Refactor clip loading and add support for loading from data

Change-Id: I5be059618f22676491e08aa2fc0252c806073b07
Reviewed-by: Mike Krus <mike.krus@kdab.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/src/animation/backend/fcurve.cpp b/src/animation/backend/fcurve.cpp
index baa6fda41..809949472 100644
--- a/src/animation/backend/fcurve.cpp
+++ b/src/animation/backend/fcurve.cpp
@@ -121,12 +121,38 @@ void FCurve::read(const QJsonObject &json)
     // back so they do not interset.
 }
 
+void FCurve::setFromQChannelComponent(const QChannelComponent &qcc)
+{
+    clearKeyframes();
+
+    for (const auto &frontendKeyFrame : qcc) {
+        // Extract the keyframe local time and value
+        const float localTime = frontendKeyFrame.coordinates()[0];
+
+        Keyframe keyFrame;
+        keyFrame.interpolation = frontendKeyFrame.interpolationType();
+        keyFrame.value = frontendKeyFrame.coordinates()[1];
+        keyFrame.leftControlPoint = frontendKeyFrame.leftControlPoint();
+        keyFrame.rightControlPoint = frontendKeyFrame.rightControlPoint();
+        appendKeyframe(localTime, keyFrame);
+    }
+
+    // TODO: Ensure beziers have no loops or cusps by scaling the control points
+    // back so they do not interset.
+}
+
 void ChannelComponent::read(const QJsonObject &json)
 {
     name = json[QLatin1String("channelComponentName")].toString();
     fcurve.read(json);
 }
 
+void ChannelComponent::setFromQChannelComponent(const QChannelComponent &qcc)
+{
+    name = qcc.name();
+    fcurve.setFromQChannelComponent(qcc);
+}
+
 void Channel::read(const QJsonObject &json)
 {
     name = json[QLatin1String("channelName")].toString();
@@ -140,6 +166,15 @@ void Channel::read(const QJsonObject &json)
     }
 }
 
+void Channel::setFromQChannel(const QChannel &qch)
+{
+    name = qch.name();
+    channelComponents.resize(qch.channelComponentCount());
+    int i = 0;
+    for (const auto &frontendChannelComponent : qch)
+        channelComponents[i++].setFromQChannelComponent(frontendChannelComponent);
+}
+
 } // namespace Animation
 } // namespace Qt3DAnimation