Invention Application
- Patent Title: Direct Image Printing with Overlayed PDL Data
- Patent Title (中): 使用覆盖的PDL数据进行直接图像打印
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Application No.: US12014762Application Date: 2008-01-15
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Publication No.: US20090180147A1Publication Date: 2009-07-16
- Inventor: Andrew Rodney Ferlitsch
- Applicant: Andrew Rodney Ferlitsch
- Main IPC: G06F15/00
- IPC: G06F15/00

Abstract:
Systems and methods for composition printing of a document that contains mixed printer-native formats are described. Each individual page may contain mixed native formats, and no print-time preprocessing is required on a host device external to the printing device. Instead, a printing device may be capable of taking as input both image-formatted data and PDL data. Proprietary tags in the image file are used to store the textual/PDL data. The image file with the embedded PDL data may be sent directly to the printer without preprocessing on the host. Any embedded PDL sequences are extracted and sent to the corresponding PDL interpreter. The image data is sent to the image interpreter. Another process then combines the processed data by overlaying the page fragment from the embedded PDL data onto the page surface generated from the image data. The new composed page is then output to the output engine.
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