Initial commit

Lts/Common/LtsScriptTimeline/tools.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <QObject>
+
+
+namespace LtsScriptTimeline
+{
+
+class Tools : public QObject
+{
+  Q_OBJECT
+
+public:
+  explicit Tools(QObject *parent)
+    : QObject(parent)
+    , m_timelineLength(5 * 60) // minimum len
+    , m_zoomFactor(1)
+    , m_scrollPos(0)
+    , m_paintWidth(1) // rescue from possible 0-div
+  {}
+
+  int m_timelineLength;
+  float m_zoomFactor;
+  int m_scrollPos;
+  int m_paintWidth;
+
+  int getDuration(int duration);
+  int getTime(int pos, bool neutral = false);
+  int getPos(int time, bool neutral = false);
+  int getLength(int startTime, int duration);
+};
+
+} // namespace LtsScriptTimeline