Print Data Rotation for Brush Orientation in 2-in-1 Printing

The patent segments the drawing instruction into two distinct parts: page-level transformation information and object-level transformation information. The page rotation information is included in the drawing instruction header, while individual brush rotation information is included in each brush definition. This segmentation allows the system to apply different transformations to different elements, resolving the contradiction between page layout orientation and brush orientation accuracy.

The patent applies local quality by allowing different transformation properties for different elements within the same drawing instruction. While the page-level rotation applies to the overall layout, individual brushes can have their own rotation parameters that are independently controlled. This enables the brush orientations to be locally adjusted to match the intended design, even when the page itself is rotated for layout purposes.

The patent introduces an intermediary data structure that bridges the page-level and object-level transformations. The drawing instruction serves as an intermediary container that holds both the page rotation information and the individual brush rotation information in a standardized format. This intermediary structure simplifies the print processor's task by providing a clear, organized way to pass transformation information through the rendering pipeline without requiring complex processing logic.

The patent uses parameter changes to control the rotation behavior of different elements. By introducing rotation angle parameters at both the page level and the brush level, the system can precisely control the orientation of each element. The print processor simply needs to pass these parameters through the rendering pipeline, avoiding the need for complex transformation logic and reducing device complexity while maintaining high manufacturing precision.