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