| 摘要 |
A method and apparatus for scaling is provided. The method comprises enablin g a user to select at least a portion of an image on a display device. The method comprises enabling scaling of an electronic representation of the portion of the image using an overlay engine. The apparatus comprises a controller and a video overlay engine that is coupled to the controller. The controller is provided to receive user selected information associated with at least a portion of an image on a display device. The video overly engine is provided to scale an electronic representation of the portion of the image. The controller receives coordinates corresponding to the portion of the imag e displayed on the display device, determines the memory location of the electronic representation of the portion of the image in ana associated memo ry region based on the received coordinates, wherein the associated memory corresponding to at least one pixel of the display engine, and provides the memory location to the overlay engine.
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