void DrawRuler(
Rect position,
float frameRate,
TimelineViewMode timeFormat)
{
if (float.IsNaN(position.x) || float.IsNaN(position.xMax) || float.IsNaN(worldBound.x) || float.IsNaN(worldBound.xMax))
{
return;
}
Rect shownArea = new Rect(m_DrawInfo.layout.startTime, -90f, m_DrawInfo.layout.Duration, .05f);
Color backupCol = GUI.color;
GUI.BeginGroup(position);
Color tempBackgroundColor = GUI.backgroundColor;
m_TickHandler.SetRanges(m_DrawInfo.layout.startTime, m_DrawInfo.layout.endTime, worldBound.x, worldBound.xMax);
m_TickHandler.SetTickStrengths(kTickRulerDistMin, kTickRulerDistFull, true);
int labelLevel = m_TickHandler.GetLevelWithMinSeparation(kTickRulerDistLabel);
if (Event.current.type == EventType.Repaint)
{
var originalColor = GUI.color;
// Draw tick markers of various sizes
for (int tickLevel = 0; tickLevel < m_TickHandler.tickLevels; tickLevel++)
{
float strength = m_TickHandler.GetStrengthOfLevel(tickLevel) * .9f;
m_TickCache.Clear();
m_TickHandler.GetTicksAtLevel(tickLevel, true, m_TickCache);
for (int i = 0; i < m_TickCache.Count; i++)
{
if (m_TickCache[i] < k_RangeMin || m_TickCache[i] > k_RangeMax)
{
continue;
}
float frame = Mathf.Round(m_TickCache[i] * frameRate);
float height = position.height * Mathf.Min(1, strength) * kTickRulerHeightMax;
float x = FrameToPixel(frame, frameRate, position, shownArea);
// Draw line
float minY = position.height - height + 0.5f;
float maxY = position.height - 0.5f;
GUI.color = tickLevel >= labelLevel ? TimelineWidget.k_MajorTickColor : TimelineWidget.k_MinorTickColor;
Rect r = new Rect(new Vector2(x - .5f, minY),
new Vector2(1, maxY - minY)
);
GUI.DrawTexture(r, EditorGUIUtility.whiteTexture);
}
}
GUI.color = originalColor;
}
// Draw tick labels
m_TickCache.Clear();
m_TickHandler.GetTicksAtLevel(labelLevel, false, m_TickCache);
for (int i = 0; i < m_TickCache.Count; i++)
{
if (m_TickCache[i] < k_RangeMin || m_TickCache[i] > k_RangeMax)
{
continue;
}
float frame = Mathf.Round(m_TickCache[i] * frameRate);
// Important to take floor of positions of GUI stuff to get pixel correct alignment of
// stuff drawn with both GUI and Handles/GL. Otherwise things are off by one pixel half the time.
float labelPos = FrameToPixel(frame, frameRate, position, shownArea);
string label = TimelineUtility.GetTimeString(timeFormat, m_TickCache[i], (int)frameRate);
var labelSize = GUI.skin.GetStyle("label").CalcSize(new GUIContent(label));
float x = labelPos + 3;
float y = -1;
float w = labelSize.x + 2;
float h = labelSize.y;
GUI.Label(new Rect(x, y, w, h),
label,
TimeAreaStyles.timelineTick);
}
GUI.EndGroup();
GUI.backgroundColor = tempBackgroundColor;
GUI.color = backupCol;
}
public void DoTimeRulerGUI(Rect rect, float frameTime)
{
if (m_TimeArea == null || Event.current.type != EventType.Repaint)
{
return;
}
GUI.BeginClip(rect);
rect.x = rect.y = 0;
GUI.Box(rect, GUIContent.none, EditorStyles.toolbarButton);
var baseColor = styles.timelineTick.normal.textColor;
baseColor.a *= 0.75f;
PrepareTicks();
// Tick lines
if (Event.current.type == EventType.Repaint)
{
HandleUtility.ApplyWireMaterial();
if (Application.platform == RuntimePlatform.WindowsEditor)
{
GL.Begin(GL.QUADS);
}
else
{
GL.Begin(GL.LINES);
}
for (int l = 0; l < m_HTicks.tickLevels; l++)
{
var strength = m_HTicks.GetStrengthOfLevel(l) * .8f;
var ticks = m_HTicks.GetTicksAtLevel(l, true);
for (int i = 0; i < ticks.Length; i++)
{
// Draw line
var time = ticks[i];
var x = m_TimeArea.TimeToPixel(time, rect);
var height = rect.height * Mathf.Min(1, strength) * TimeArea.kTickRulerHeightMax;
var color = new Color(1, 1, 1, strength / TimeArea.kTickRulerFatThreshold) * baseColor;
TimeArea.DrawVerticalLineFast(x, rect.height - height + 0.5f, rect.height - 0.5f, color);
}
}
GL.End();
}
// Tick labels
var labelWidth = k_TickLabelSeparation;
int labelLevel = m_HTicks.GetLevelWithMinSeparation(labelWidth);
float[] labelTicks = m_HTicks.GetTicksAtLevel(labelLevel, false);
for (int i = 0; i < labelTicks.Length; i++)
{
var time = labelTicks[i];
float labelpos = Mathf.Floor(m_TimeArea.TimeToPixel(time, rect));
string label = FormatTickLabel(time, labelLevel);
GUI.Label(new Rect(labelpos + 3, -3, labelWidth, 20), label, styles.timelineTick);
}
// Outside current frame coloring
DrawOutOfRangeOverlay(rect, frameTime);
// Range selection coloring
DrawRangeSelectionOverlay(rect);
GUI.EndClip();
}