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public static RegisterGraphicForCanvas ( Canvas c, |
||
| c | Canvas | Canvas to register. |
| graphic | Graphic to register. | |
| Résultat | void | |
/// <summary>
/// 17/6 2020 Graphic学习
/// 主要是Canvas显示隐藏或者canvas控件OnEnable、Disable的时候调用
/// 主要是检测Canvas控件的
/// </summary>
protected override void OnCanvasHierarchyChanged()
{
// Debug.Log("OnCanvasHierarchyChanged");
// Use m_Cavas so we dont auto call CacheCanvas
Canvas currentCanvas = m_Canvas;
// Clear the cached canvas. Will be fetched below if active.
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
if (currentCanvas != m_Canvas)
{
//currentCanvas ！= m_Canvas时，说明UI更换了canvas，需要与之前的Canvas解除关联
GraphicRegistry.UnregisterGraphicForCanvas(currentCanvas, this);
// Only register if we are active and enabled as OnCanvasHierarchyChanged can get called
// during object destruction and we dont want to register ourself and then become null.
if (IsActive())
{
//如果当前组件还是在激活状态下的话，就将当前UI和新的canvas进行注册绑定
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
}
}
protected override void OnCanvasHierarchyChanged()
{
// Use m_Cavas so we dont auto call CacheCanvas
Canvas currentCanvas = m_Canvas;
// Clear the cached canvas. Will be fetched below if active.
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
if (currentCanvas != m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(currentCanvas, this);
// Only register if we are active and enabled as OnCanvasHierarchyChanged can get called
// during object destruction and we dont want to register ourself and then become null.
if (IsActive())
{
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
}
}
protected override void OnTransformParentChanged()
{
if (this.IsActive())
{
this.CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
this.SetAllDirty();
}
}
protected override void OnTransformParentChanged()
{
base.OnTransformParentChanged();
if (IsActive())
{
CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
SetAllDirty();
}
}
/// <summary>
/// Mark the Graphic and the canvas as having been changed.
/// </summary>
protected override void OnEnable()
{
base.OnEnable();
CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
#if UNITY_EDITOR
GraphicRebuildTracker.TrackGraphic(this);
#endif
SetAllDirty();
}
protected override void OnEnable()
{
base.OnEnable();
this.CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
if (Graphic.s_WhiteTexture == null)
{
Graphic.s_WhiteTexture = Texture2D.whiteTexture;
}
this.SetAllDirty();
}
protected override void OnCanvasHierarchyChanged()
{
Canvas c = this.m_Canvas;
this.CacheCanvas();
if (c != this.m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(c, this);
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
}
}
protected override void OnTransformParentChanged()
{
base.OnTransformParentChanged();
this.m_Canvas = (Canvas)null;
if (!this.IsActive())
{
return;
}
this.CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
this.SetAllDirty();
}
protected override void OnEnable()
{
base.OnEnable();
this.CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
GraphicRebuildTracker.TrackGraphic(this);
if ((UnityEngine.Object)Graphic.s_WhiteTexture == (UnityEngine.Object)null)
{
Graphic.s_WhiteTexture = Texture2D.whiteTexture;
}
this.SetAllDirty();
}
protected override void OnCanvasHierarchyChanged()
{
Canvas c = this.m_Canvas;
this.CacheCanvas();
if (!((UnityEngine.Object)c != (UnityEngine.Object) this.m_Canvas))
{
return;
}
GraphicRegistry.UnregisterGraphicForCanvas(c, this);
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
}
protected override void OnCanvasHierarchyChanged()
{
// Use m_Cavas so we dont auto call CacheCanvas
Canvas currentCanvas = m_Canvas;
CacheCanvas();
if (currentCanvas != m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(currentCanvas, this);
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
}
/// <summary>
/// Mark the Graphic and the canvas as having been changed.
/// </summary>
protected override void OnEnable()
{
base.OnEnable();
CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
#if UNITY_EDITOR
GraphicRebuildTracker.TrackGraphic(this);
#endif
if (s_WhiteTexture == null)
{
s_WhiteTexture = Texture2D.whiteTexture;
}
SetAllDirty();
}
protected override void OnTransformParentChanged()
{
base.OnTransformParentChanged();
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
//全部重建（布局、材质、顶点）
SetAllDirty();
}
protected override void OnTransformParentChanged()
{
base.OnTransformParentChanged();
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
if (raycastTarget)
{
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
SetAllDirty();
}
/// <summary>
/// 16/6 2020 Graphic源码学习
/// 在更换父节点时调用方法
/// </summary>
protected override void OnTransformParentChanged()
{
// Debug.Log(" OnTransformParentChanged");
base.OnTransformParentChanged();
m_Canvas = null;
if (!IsActive())
{
return;
}
//查找这个物体的canvas
CacheCanvas();
//将canvas和图形组件进行绑定
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
SetAllDirty();
}
protected override void OnCanvasHierarchyChanged()
{
Canvas canvas = this.m_Canvas;
this.m_Canvas = null;
if (this.IsActive())
{
this.CacheCanvas();
if (canvas != this.m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(canvas, this);
if (this.IsActive())
{
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
}
}
}
}
protected override void OnCanvasHierarchyChanged()
{
// Use m_Cavas so we dont auto call CacheCanvas
Canvas currentCanvas = m_Canvas;
// Clear the cached canvas. Will be fetched below if active.
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
if (currentCanvas != m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(currentCanvas, this);
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
}
protected override void OnCanvasHierarchyChanged()
{
Canvas currentCanvas = m_Canvas;
m_Canvas = null;
if (!IsActive())
{
return;
}
CacheCanvas();
if (currentCanvas != m_Canvas)
{
GraphicRegistry.UnregisterGraphicForCanvas(currentCanvas, this);
if (IsActive())
{
GraphicRegistry.RegisterGraphicForCanvas(canvas, this);
}
}
}
protected override void OnCanvasHierarchyChanged()
{
Canvas canvas = this.m_Canvas;
this.m_Canvas = (Canvas)null;
if (!this.IsActive())
{
return;
}
this.CacheCanvas();
if (!((UnityEngine.Object)canvas != (UnityEngine.Object) this.m_Canvas))
{
return;
}
GraphicRegistry.UnregisterGraphicForCanvas(canvas, this);
if (!this.IsActive())
{
return;
}
GraphicRegistry.RegisterGraphicForCanvas(this.canvas, this);
}