The alpha threshold specifies the minimum alpha a pixel must have for the event to considered a "hit" on the Image. Alpha values less than the threshold will cause raycast events to pass through the Image. An value of 1 would cause only fully opaque pixels to register raycast events on the Image. The alpha tested is retrieved from the image sprite only, while the alpha of the Image Graphic.color is disregarded.
alphaHitTestMinimumThreshold defaults to 0; all raycast events inside the Image rectangle are considered a hit. In order for greater than 0 to values to work, the sprite used by the Image must have readable pixels. This can be achieved by enabling Read/Write enabled in the advanced Texture Import Settings for the sprite and disabling atlassing for the sprite.
Space.Host.ExecutingObject.UIImage.AlphaHitTestMinimumThreshold = 0
Default Color of UIImage
Space.Host.ExecutingObject.UIImage.Color= Color.Red
Amount of the Image shown
Space.Host.ExecutingObject.UIImage.FillAmount = 0.5
Whether or not to render the center
Space.Host.ExecutingObject.UIImage.FillCenter = true
Whether the Image should be filled clockwise (true) or counter-clockwise (false).
Space.Host.ExecutingObject.UIImage.FillClockwise = true
Controls the origin point of the Fill process.
Space.Host.ExecutingObject.UIImage.FillOrigin = 0
True if the sprite used has borders.
imgHasBorder = Space.Host.ExecutingObject.UIImage.HasBorder
The specified Material used by this Image. The default Material is used instead if one wasn't specified.
imageMaterial = Space.Host.ExecutingObject.UIImage.Material
Whether this image should preserve its Sprite aspect ratio.
Space.Host.ExecutingObject.UIImage.PreserveAspect = true
The sprite that is used to render this image.
imageSprite= Space.Host.ExecutingObject.UIImage.Sprite
The extra relative height this UIImage should be allocated if there is additional available space. (Used by the Layout system)
flexHeight = Space.Host.ExecutingObject.UIImage.FlexibleHeight
The extra relative width this UIImage should be allocated if there is additional available space. (Used by the Layout system)
flexWidth = Space.Host.ExecutingObject.UIImage.FlexibleWidth
The minimum height this UIImage may be allocated.(Used by the Layout system).
minHeight = Space.Host.ExecutingObject.UIImage.MinHeight
The minimum width this UIImage may be allocated. (Used by the Layout system).
minWidth = Space.Host.ExecutingObject.UIImage.MinWidth
The preferred height this UIImage should be allocated if there is sufficient space. (Used by the Layout system)
prefHeight = Space.Host.ExecutingObject.UIImage.PreferredHeight
The preferred width this UIImage should be allocated if there is sufficient space. (Used by the Layout system)
prefWidth = Space.Host.ExecutingObject.UIImage.PreferredWidth
The layout priority of this UIText component.(Used by the Layout system.)
layoutPrio = Space.Host.ExecutingObject.UIImage.LayoutPriority)
Provides information about how fonts are scale to the screen.
For dynamic fonts, the value is equivalent to the scale factor of the canvas. For non-dynamic fonts, the value is calculated from the requested text size and the size from the font.
ppUnit = Space.Host.ExecutingObject.UIImage.PixelsPerUnit
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