How to get image size (in pixels)? Or: How to prevent stretching and keep aspect ratio?

Is there any way to access a Decal's Texture's image size in pixels?

If not, is there any other way, to automatically center an ImageLabel in a Frame, without stretching it or messing up it's aspect ratio?

Also, the 9-tile slicing that is enabled when changing ScaleType to Slice also has a stretching effect. I cannot make use of that either.

These images are not supposed to be stretched in any way, there are a lot of them, and they all have different sizes.

GuiObjects have a UDim2 value called Offset, for both axes. This sizes the object based on pixels, unlike the Scale value. As well as that, you can position any object in the exact center (as long as size/2 returns a whole number).

local gui = script.Parent
local image = gui:WaitForChild("Image")

image.Size = UDim2.new(0,100,0,100) -- the second value for each axis is the Offset, 100 being pixels
image.Position = UDim2.new(0.5,-50,0.5,-50) -- this utilizes both scale and offset

Here are the formulas:

Center an object sized with offset

local size = obj.Size
local offsetX = size.X.Offset/2
local offsetY = size.Y.Offset/2
obj.Position = UDim2.new(0.5,-offsetX,0.5,-offsetY)

Center an object sized with scale

local size = obj.Size
local offsetX = size.X.Scale/2
local offsetY = size.Y.Scale/2
obj.Position = UDim2.new(0.5-offsetX,0,0.5-offsetX,0)

Hope I helped!

~TDP

Q1: Is there any way to access a Decal's Texture's image size in pixels? A1: I'm not sure if there's exactly a way to do that (or one that I know of).

Q2: If not, is there any other way, to automatically center an ImageLabel in a Frame, without stretching it or messing up it's aspect ratio? A2: Yes. This is actually very simple:

local frame = script.Parent -- Or wherever it is
local imageLabel = frame:WaitForChild("ImageLabel") -- Or whatever it's called
local size = imageLabel.Size

imageLabel.Position = UDim2.new(0.5, -size.X/2, 0.5, -size.Y/2)

Hope this helps! If it does, don't forget to click Accept Answer and +1 my Rep!