/// <summary>
/// Called whenever properties affecting the image are changed.
/// </summary>
public virtual void ImageChanged()
{
if (RawImageComponent == null)
{
return;
}
if (ColorProperty.IsUndefined(this))
{
if (RawImageComponent.texture != null)
{
// use white color by default if image is set
RawImageComponent.color = Color.white;
}
else
{
// use clear color by default if image isn't set
RawImageComponent.color = Color.clear;
}
}
var texture = RawImageComponent.texture;
if (WidthProperty.IsUndefined(this) && HeightProperty.IsUndefined(this))
{
// if width and height is undefined, adjust size to native size of sprite
if (texture != null)
{
RawImageComponent.SetNativeSize();
OverrideWidth = ElementSize.FromPixels(RawImageComponent.rectTransform.sizeDelta.x);
OverrideHeight = ElementSize.FromPixels(RawImageComponent.rectTransform.sizeDelta.y);
}
}
bool isLoading = Texture != null && !Texture.IsLoaded;
if (isLoading && texture == null)
{
// always disable image while loading
RawImageComponent.enabled = false;
}
else
{
// disable raycast blocks if image is transparent
RawImageComponent.enabled = RaycastBlockMode == RaycastBlockMode.Always ? true : RawImageComponent.color.a > 0;
}
}
