public void FontTextureChanged()
{
// Only invoke if we are not destroyed.
if (!this)
{
FontUpdateTrackerEx.UntrackText(this);
return;
}
cachedTextGenerator.Invalidate();
if (!IsActive())
{
return;
}
// this is a bit hacky, but it is currently the
// cleanest solution....
// if we detect the font texture has changed and are in a rebuild loop
// we just regenerate the verts for the new UV's
if (CanvasUpdateRegistry.IsRebuildingGraphics() || CanvasUpdateRegistry.IsRebuildingLayout())
{
UpdateGeometry();
}
else
{
SetAllDirty();
}
}
public override void OnRebuildRequested()
{
// After a Font asset gets re-imported the managed side gets deleted and recreated,
// that means the delegates are not persisted.
// so we need to properly enforce a consistent state here.
FontUpdateTrackerEx.UntrackText(this);
FontUpdateTrackerEx.TrackText(this);
// Also the textgenerator is no longer valid.
cachedTextGenerator.Invalidate();
base.OnRebuildRequested();
}
protected override void OnDisable()
{
FontUpdateTrackerEx.UntrackText(this);
base.OnDisable();
for (int i = 0, count = EmojiConfigList.Count; i < count; ++i)
{
var emojiConfig = m_EmojiConfigList[i];
if (emojiConfig.target != null)
{
emojiConfig.target.Clear();
emojiConfig.target.MarkVerticesDirty();
}
}
if (m_UrlRegionList != null)
{
m_UrlRegionList.Clear();
}
}
// The Text inspector editor can change the font, and we need a way to track changes so that we get the appropriate rebuild callbacks
// We can intercept changes in OnValidate, and keep track of the previous font reference
protected override void OnValidate()
{
if (m_FontData.font != m_LastTrackedFont)
{
Font newFont = m_FontData.font;
m_FontData.font = m_LastTrackedFont;
FontUpdateTrackerEx.UntrackText(this);
m_FontData.font = newFont;
FontUpdateTrackerEx.TrackText(this);
m_LastTrackedFont = newFont;
}
base.OnValidate();
if (_mAnimationEmojiPlay != null)
{
_mAnimationEmojiPlay.enabled = false;
}
cachedTextGenerator.Invalidate();
}
protected override void OnEnable()
{
base.OnEnable();
cachedTextGenerator.Invalidate();
FontUpdateTrackerEx.TrackText(this);
}
