Zooms the texture and UV polygons to fill the Texture view.
The texture is displayed at its actual size.
Zooms in on the texture by 25%.
Zooms out on the texture by 25%.
Here you can enter the zoom factor manually as a percentage (100% represents the texture’s actual size), or you can click the triangle right of the box to open a menu of various zoom factors.
The Exposure, Gamma, Black Point and White Point values of a 32-bit image, can be edited in the preview. This functionality reflects the Exposure function.
Enabling or disabling the Tile U/V option will display the Texture view accordingly. Enabling this option will help hide visible edges on tiled textures (both Tile U/V options should be enabled).