Image InterpolationSelect the Interpolate image on zoom option to enable image interpolation when you change the zoom factor for the image. If you select this option,  uses bilinear interpolation. Bilinear interpolation is a simple and fast method of interpolation. When you zoom in on an image,  uses up to four adjacent pixels to compute the colors of the new pixels. When you zoom out of an image,  averages regions of color in the existing image to compute the colors of the pixels. Transparent PartsSelect one of the following options to determine how  displays transparent parts of an image:As check patternDisplays any transparent parts of the image in a check pattern.As custom colorDisplays any transparent parts of the image in a solid color that you specify. Click on the color selector button to select a color. As backgroundDisplays any transparent parts of the image in the background color of the  application.
