To program effectively with Windows graphics, you must understand two related concepts: Dots per inch (DPI) Device-independent pixel (DIPs). Let's start with DPI. This will require a short detour into typography. In typography, the size of type is measured in units called points. One point equals 1/72 of an inch. 1 pt = 1/72 inch For example, a 12-point font is designed to fit within a 1/6" (12/72