Continues migration with DDS, Common

Lts/Common/LtsScriptTimeline/tools.cpp

@@ -0,0 +1,84 @@
+#include "tools.h"
+
+#include <math.h>
+
+
+namespace LtsScriptTimeline
+{
+
+
+
+
+
+
+int Tools::getLength(int startTime, int duration)
+{
+  return  (getPos(startTime + duration) - getPos(startTime));
+}
+
+
+int Tools::getDuration(int duration) 
+{
+  double max = Tools::m_timelineLength;
+  max /= Tools::m_zoomFactor;
+
+  int paintWidth = m_paintWidth; 
+
+  double x = duration;  
+  x /= paintWidth; 
+  x *= max;       
+
+  return lrint(x);
+}
+
+
+int Tools::getTime(int pos, bool neutral) 
+{
+  double visibleMax = Tools::m_timelineLength;
+  visibleMax /= Tools::m_zoomFactor;
+
+  if (!neutral)
+    visibleMax += Tools::m_scrollPos;
+
+  int visibleMin = 0;
+
+  if (!neutral)
+    visibleMin = Tools::m_scrollPos;
+
+  double diff = visibleMax - visibleMin; 
+  int paintWidth = m_paintWidth; 
+
+  double x = pos;  
+  x /= paintWidth; 
+  x *= diff;       
+  x += visibleMin; 
+
+  return lrint(x);
+}
+
+
+int Tools::getPos(int time, bool neutral) 
+{
+  double visibleMax = Tools::m_timelineLength;
+  visibleMax /= Tools::m_zoomFactor;
+
+  if (!neutral)
+    visibleMax += Tools::m_scrollPos;
+
+  int visibleMin = 0;
+
+  if (!neutral)
+    visibleMin = Tools::m_scrollPos;
+
+  double diff = visibleMax - visibleMin; 
+  int paintWidth = m_paintWidth; 
+
+  double x = time; 
+  x -= visibleMin; 
+  x /= diff;       
+  x *= paintWidth; 
+
+  return lrint(x);
+}
+
+}