Files
qt6-migration-pipeline/Lts/Common/LtsScriptTimeline/tools.cpp
T

85 lines
1.3 KiB
C++
Executable File

#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);
}
}