| 摘要 |
According to the present invention, provided are a list generator for generating, upon receipt of a printer command from a host computer, a display list that serves as intermediate code that printers use in common, a storage section for storing, in advance, an estimated drawing time for each object, which is required for drawing a raster image of the display list, a determination section for ascertaining, before drawing of the raster image for each band width is begun, whether or not an estimated drawing time for the display list is stored in the storage section, and a controller for calculating a drawing time by the addition of the estimated drawing time for the display list when the determination section ascertains that the estimated drawing time is stored, and for performing a predetermined calculation to acquire a drawing time that is required for developing the display list into a raster image when the determination section ascertains that the estimated drawing time is not stored.
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