| position | Rectangle on the screen to draw the texture within. |
| image | Texture to display. |
| scaleMode | How to scale the image when the aspect ratio of it doesn't fit the aspect ratio to be drawn within. |
| imageAspect | Aspect ratio to use for the source image. If 0 (the default), the aspect ratio from the image is used. |
| mipLevel | What mip-level to sample. If negative, texture will be sampled normally. It sets material _Mip property. |
Draws the alpha channel of a texture within a rectangle.
See Also: GUI.color, GUI.contentColor
Alpha texture in an Editor Window.