Touchscreen Zoom Control via Region Segmentation
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Solution Overview
Problem
The processing complexity and reduced working efficiency of mobile devices when zooming in or out content on touchscreens, as they need to simultaneously receive and detect signals from two touch points, making the operation cumbersome.
Innovation Solution
A method where a mobile device receives first and second touch information to determine zooming times based on the distance and position relationship between the two touch points, allowing for simplified zoom control by dividing the touchscreen area into sections or calculating differences in coordinates to determine zooming actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mobile device simultaneously receives and detects signals from two touch points to control zooming, then the zooming function can be achieved, but the processing complexity increases and working efficiency decreases
Solution Approach 1:
The patent divides the touchscreen into multiple regions (first region, second region, third region, fourth region) based on the first touch position. By segmenting the screen into distinct zones, the system can determine zooming actions based on which region the second touch falls into, rather than continuously analyzing the relationship between two simultaneous touch points. This regional segmentation simplifies the processing logic while maintaining zooming functionality.
2Productivity
If the mobile device simultaneously receives and detects signals from two touch points to control zooming, then the zooming function can be achieved, but the working efficiency decreases
Solution Approach 1:
The patent performs preliminary action by first receiving and recording the first touch position, then dividing the screen into regions based on this first touch. Subsequently, when the second touch is received, the system only needs to determine which pre-defined region it falls into and calculate the distance from the first touch position. This preliminary region division and sequential processing approach improves working efficiency by avoiding the need to simultaneously process and analyze two touch points in real-time.
Data Source
AI summary
A method for controlling display of a touchscreen, and a mobile device are presented, which relate to the field of electronic device technologies, so that the mobile device can control to zoom-in or zoom-out displayed content on the touchscreen according to received information about two touches. The method in the present disclosure includes receiving first touch information, where the first touch information comprises a first touch position; receiving second touch information, where the second touch information comprises a second touch position; determining zooming times according to a distance between the first touch position and the second touch position; and zooming displayed content on the touchscreen according to a position relationship between the first touch position and the second touch position and the zooming times. The present disclosure is applicable to a mobile device.