| 摘要 |
A method for processing multi-layered image data by utilizing a modified alpha blending algorithm. The method includes detecting whether mask values of image data are within a predetermined range and generating new image data according to the image data and the mask values. An image processing device capable of adding shaded diagrams or frames to a camera preview picture and presenting display selections, diagrams, special effects, or backgrounds simultaneously on a limited display screen of a handheld electronic device.
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