/// <summary>
/// Called whenever properties affecting the image are changed.
/// </summary>
public virtual void ImageChanged()
{
if (IgnoreObject)
{
return;
}
if (ImageComponent == null)
{
// add image component if background color is defined
if (BackgroundColorProperty.IsUndefined(this, true))
{
return;
}
ImageComponent = GameObject.AddComponent <UnityEngine.UI.Image>();
}
if (BackgroundColorProperty.IsUndefined(this))
{
if (ImageComponent.sprite != null || ImageComponent.overrideSprite != null)
{
// use white color by default if image is set
ImageComponent.color = Color.white;
}
else
{
// use clear color by default if image isn't set
ImageComponent.color = Color.clear;
}
}
var sprite = ImageComponent.overrideSprite ?? ImageComponent.sprite;
if (Width == null && Height == null)
{
// if width and height is undefined, adjust size to native size of sprite
if (sprite != null)
{
ImageComponent.SetNativeSize();
OverrideWidth = ElementSize.FromPixels(ImageComponent.rectTransform.sizeDelta.x);
OverrideHeight = ElementSize.FromPixels(ImageComponent.rectTransform.sizeDelta.y);
}
}
bool isLoading = BackgroundSprite != null && !BackgroundSprite.IsLoaded;
if (isLoading && sprite == null)
{
// always disable image while loading if current sprite isn't set
ImageComponent.enabled = false;
}
else
{
// disable raycast blocks if image is transparent
ImageComponent.enabled = RaycastBlockMode == RaycastBlockMode.Always ? true : ImageComponent.color.a > 0;
}
}
/// <summary>
/// Called whenever properties affecting the image are changed.
/// </summary>
public virtual void ImageChanged()
{
if (ImageComponent == null)
{
return;
}
if (ColorProperty.IsUndefined(this))
{
if (ImageComponent.sprite != null || ImageComponent.overrideSprite != null)
{
// use white color by default if image is set
ImageComponent.color = Color.white;
}
else
{
// use clear color by default if image isn't set
ImageComponent.color = Color.clear;
}
}
var sprite = ImageComponent.overrideSprite ?? ImageComponent.sprite;
if (WidthProperty.IsUndefined(this) && HeightProperty.IsUndefined(this))
{
// if width and height is undefined, adjust size to native size of sprite
if (sprite != null)
{
ImageComponent.SetNativeSize();
OverrideWidth = ElementSize.FromPixels(ImageComponent.rectTransform.sizeDelta.x);
OverrideHeight = ElementSize.FromPixels(ImageComponent.rectTransform.sizeDelta.y);
if (OverrideHeight.Pixels != 0)
{
_nativeAspectRatio = OverrideWidth.Pixels / OverrideHeight.Pixels;
}
}
}
else
{
_nativeAspectRatio = -1;
}
bool isLoading = Sprite != null && !Sprite.IsLoaded;
if (isLoading && sprite == null)
{
// always disable image while loading
ImageComponent.enabled = false;
}
else
{
// disable raycast blocks if image is transparent
ImageComponent.enabled = RaycastBlockMode == RaycastBlockMode.Always ? true : ImageComponent.color.a > 0;
}
}
public virtual void SetImageSprite(Sprite sprite)
{
m_AspectRatioFitterComponent.aspectMode = AspectRatioFitter.AspectMode.None;
ImageComponent.sprite = null;
if (sprite != null)
{
ImageComponent.sprite = sprite;
ImageComponent.preserveAspect = true;
ImageComponent.SetNativeSize();
CalculateAspectRatio();
}
else
{
m_AspectRatioFitterComponent.aspectRatio = 1;
}
}
