private void _SetAtlas(UIAtlas atlas)
{
_atlas = atlas;
if (null == atlas)
{
return;
}
var richText = _richText;
var mat = richText.material;
var manager = MaterialManager.Instance;
var lastSpriteTexture = manager.GetSpriteAtlas(mat);
var spriteTexture = atlas.GetTexture();
var isTextureChanged = lastSpriteTexture != spriteTexture;
if (isTextureChanged)
{
manager.DetachTexture(richText, lastSpriteTexture);
manager.AttachTexture(richText, spriteTexture);
}
}