Image Processing Apparatus Printable Area Visualization
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Solution Overview
Problem
Users of image processing apparatuses face difficulties in understanding how to set print settings to ensure all areas of a document image are printed, especially when the image is enlarged, as existing systems only provide warnings without clear visualization of printable areas.
Innovation Solution
An image processing apparatus that includes a reading unit, a display unit to superimpose the document image on a sheet image, and a receiving unit for user input to adjust print settings through drag operations, allowing users to intuitively change settings for rotation, magnification, and layout editing to ensure complete printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the document image is excessively enlarged for printing, then the document image can be displayed at a larger size, but the document image becomes larger than the sheet and cannot be completely printed
Solution Approach 1:
The system performs preliminary processing to determine the printable area before actual printing. It calculates the intersection between the document image area and sheet area in advance, identifies non-printable regions, and provides warnings to users before the printing operation is executed, allowing users to adjust settings to avoid wasted printing operations
Solution Approach 2:
The system introduces an intermediary processing layer between the document image and the sheet that calculates and determines the printable area. This intermediary layer computes the intersection of the document image bounding box and sheet bounding box, identifies regions that cannot be printed, and mediates the printing process by providing feedback to users about which areas will be printed and which will be lost
2Loss of information
If only a warning is provided to the user about printable area, then the user is notified of potential issues, but the user cannot understand which specific area is printed or not and does not know what print setting to adjust
Solution Approach 1:
The system uses visual differentiation through color or shading to distinguish between printable and non-printable areas. The display unit renders the document image with visual indicators that show which portions will be printed and which will be lost, making it immediately clear to users what areas are affected by the current print settings without requiring technical knowledge
Solution Approach 2:
The system provides immediate visual feedback to users by displaying the printable area information on the screen. When users adjust print settings such as magnification or position, the system recalculates and updates the printable area display in real-time, allowing users to see the effect of their adjustments before executing the print operation and understand how different settings affect the final output
Data Source
AI summary
An image processing apparatus includes a reading unit configured to read a document to generate a document image, a display unit adapted to superimpose said document image on a sheet image indicating a sheet used for printing, so as to distinguishably display both an area where the document image is set to be printed and an area where the document image is not set to be printed, a receiving unit adapted to receive a drag operation by a user on the document image displayed by the display unit and a changing unit configured to change a print setting for printing the document image on the sheet based on the drag operation received by the receiving unit.