Invention Grant
US08054497B2 Direct composition printing method for rapid streaming 有权
直接组合印刷法快速流式传输

Direct composition printing method for rapid streaming
Abstract:
An effective and efficient means for composition printing of multi-page image data is disclosed. Multiple image files may be received and read into memory to be processed and printed as a single job. Pages may be reordered and/or a subset of pages may be selected for printing by changing the link order between image file directories (IFDs) in the image headers before sending the image data to a printing device. Once processed to select and reorder pages for printing, the image data is streamed directly to the output, with each offset entry in the IFD being modified on-the-fly to correspond to its relocated position. When an image is skipped, the data associated with the image is not written out to the printing device. When the end of one file is reached, the next file is merged into the existing output stream relative to the end of the previous file.
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