RewindWorkerThread renamed to TransitionWorkerThread.

Also, added easing curve customization.

1 files changed, 35 insertions, 0 deletions

diff --git a/transitionworkerthread.cpp b/transitionworkerthread.cpp
new file mode 100644
index 0000000..2ee1d0e
--- /dev/null
+++ b/transitionworkerthread.cpp
@@ -0,0 +1,35 @@
+#include "transitionworkerthread.h"
+
+// The full duration (usecs) of the restoration animation
+static const double DURATION = 250000;
+
+// The time to wait (usecs) before the next animation tick
+static const double TICK_TIME = DURATION / 60.0;
+
+// The amount to increase 't' per time step
+static const double TICK_SIZE = TICK_TIME / DURATION;
+
+TransitionWorkerThread::TransitionWorkerThread(TransitionControl *control)
+    : m_control(control)
+{
+}
+
+TransitionWorkerThread::TransitionWorkerThread(TransitionControl *control,
+                                               const QEasingCurve &easing)
+    : m_control(control)
+    , m_easing(easing)
+{
+}
+
+void TransitionWorkerThread::run()
+{
+    double t = m_control->t();
+
+    while (t + TICK_SIZE < 1.0) {
+        t += TICK_SIZE;
+        m_control->setT(m_easing.valueForProgress(t));
+        QThread::usleep(TICK_TIME);
+    }
+
+    m_control->setT(1.0);
+}