protected override void OnEnable()
{
base.OnEnable();
m_ShouldRecalculateStencil = true;
UpdateClipParent();
SetMaterialDirty();
if (GetComponent <Mask>() != null)
{
MaskUtilities.NotifyStencilStateChanged(this);
}
}
protected override void OnEnable()
{
base.OnEnable();
if (graphic != null)
{
graphic.canvasRenderer.hasPopInstruction = true;
// WG 这里会导致材质的创建
graphic.SetMaterialDirty();
}
// WG 启用裁剪之后这个节点下面的字元素都需要重新计算材质的模板值
// 由于所有的UI元素都继承与MaskableGraphic，所以这个重新计算写在里面
MaskUtilities.NotifyStencilStateChanged(this);
}
protected override void OnValidate()
{
base.OnValidate();
if (!IsActive())
{
return;
}
if (graphic != null)
{
graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged(this);
}
protected override void OnDisable()
{
base.OnDisable();
if (graphic != null)
{
graphic.SetMaterialDirty();
graphic.canvasRenderer.hasPopInstruction = false;
graphic.canvasRenderer.popMaterialCount = 0;
}
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = null;
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = null;
MaskUtilities.NotifyStencilStateChanged(this);
}