1. A method of previewing an image usable with an image forming apparatus, the method comprising: setting a plurality of rendering intents associated with a plurality of different data object types; and generating a user interface including a preview image of a specified file according to the set plurality of rendering intents and a rendering intent setting window through which one or more rendering intents are changeable for the plurality of different data object types, such that characteristics of the one or more rendering intents selected to be associated with the respective data types may be adjusted, and a color correcting window to receive an input of a color value to be applied to the selected area; after generating the user interface including the preview image, receiving a user input to select one of the respective data types, receiving a user selection corresponding to an area in the preview image where color is to be corrected, receiving a user input corresponding to a color value to be applied the selected area, adjusting a rendering intent associated with the one of the respective data types, and correcting the color of the selected area based on the input color value; and updating the preview image to adjust the rendering intent of each object of a respective data object type in the preview image according to the user input and by performing a color matching operation according to the adjusted rendering intent of each object, and updating the preview image with the corrected color of the selected area.