Image display device and operating method for enlarging an image displayed in a region of a display and displaying the enlarged image variously

An image display device comprising:

• a display;
• and
• at least one processor configured to:
• control the display to display an image,
• provide a window for displaying a part of the image based on first user input information received from a user interface device that is configured to receive user inputs for a magnification function,
• control the display to display the part of the image in the window, wherein the part of the image is magnified to be displayed in the window,
• change a location of the window on the display based on second user input information received from the user interface device,
• control the display to display in the window a different part of the image, wherein the different part of the image is magnified to be displayed in the window and related to the location of the window,
• fix the location of the window at a first location of the display, based on third user input information for fixing the window, the third user input information being received from the user interface device, and
• control the display to display another part of the image in the window, according to fourth user input information, with the location of the window being fixed at the first location of the display, the fourth user input being received from the user interface device,
• wherein the other part of the image is magnified to be displayed in the window and related to a second location of the display according to a type of the fourth user input information, and
• wherein types of the fourth user input information include a positional input, a zooming input, and a selection of an identified object input.