How to load builtin UI sprite?

There is a buit in sprites for UI (Background, Checkmark etc..) How can I load them and assign after creating an Image runtime, because it's null by default?

 

Look in the Menu Editor script in the UI source. Details how to identify and use the built in assets:
https://bitbucket.org/Unity-Technol...09b2e/UnityEditor.UI/UI/MenuOptions.cs?at=4.6

However I would not recommend it as they are single images instead of a spritesheet, so they will prevent you batching draw calls, which is a drain on perf.
Best to just ship a sprite sheet and use that

 

I know about drawcalls, but I need this for the editor script and thanks, its just what I was looking for.

 

I used exactly the same example when building the editor menus for the UI Extensions bitbucket repo, which has many community developed components to extend the UI system :
https://bitbucket.org/ddreaper/unity-ui-extensions

 

Is it possible to get these built in images to see how they are created, so you can then modify them and put in your own sprite sheet?

Of course it should not be complicated to create a simple 32x32 button, one similar to the UISprite, but I am actually having trouble recreating the built in one.
I have tried many different resolutions, line width, rounded corner radius and different border width when splitting the button in the sprite editor.
I believe my sprite looks very similar in the preview, yet in the game it looks much different then the built in UISprite.



Why is this?
Are the built in assets available somewhere?

Thanks in advance,
elehevari

 

Turning off the Fill Center shows quite a difference between my version and the built in UISprite: it seems to have half the corner size. I'll try experimenting with that, hoping I get closer to the built in version.

 

@elehelvari: hi - not sure why toggling fill center on/off would make any difference, your texture is quite coarse, and lacking AA thus it looks different.

If Unity original texture is 32x32, then, if your corner chamfers look larger/smaller, it can be that your texture import settings have different pixels per unit (what ever it's called) setting.

Didn't read full post, sorry if I missed the point.

 

@SimonDarksideJ : I see that you have a clever way to get default textures! Would it be possible to copy those textures and write them to files? Or are those files read only... just asking out of curiosity! Not sure if those are in files or in some DLL or something like that.

Either way, it would be quite easy to create clones of those textures, if one needs to have them in one texture sheet.

 

I believe the standard images are packaged up inside unity, probably for speed or compression. SO you can't get them from disk.
You could export them but they are very basic.

If you are having problems with different image qualities, remember the built in images use mipmaps, if yours dont then be sure to turn off mipmap generation to improve quality

 

I'm pretty sure you are seeing a difference because the Unity images have Image Type set to Sliced, so that the various pieces of the image are applied separated (corners, edges, center) rather than just scaling the image as a whole. So the corners and edges remain small and tight while the center expands to fill the available space.