Rotated Rectangle Drawing in Graphical User Interfaces
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Solution Overview
Problem
Users find it inconvenient to create rectangles in a graphical user interface that are not aligned with the x-y axes, as they need to take additional steps to rotate the rectangle, and it is difficult to predict the correct size before rotation, often resulting in incorrectly sized rectangles.
Innovation Solution
A computer-implemented method and system that allow users to draw aligned or rotated rectangles by receiving user inputs to determine if the indicator has moved, providing a rectangle aligned with the x-y axes if it has, or rotating it based on calculated angles if it remains stationary, simplifying the process with minimal user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a user creates a rectangle aligned with the x-y axes and then rotates it to achieve a non-aligned rectangle, then the rectangle can be created using basic tools, but the process requires additional steps and time
Solution Approach 1:
The system performs preliminary action by detecting the user's rotation intent before the rectangle is fully created. When the indicator remains stationary at a location different from the starting point, the system pre-calculates the rotation angle and applies it automatically, eliminating the need for users to perform separate rotation operations after rectangle creation.
Solution Approach 2:
The system introduces dynamics by making the rectangle creation process adaptive based on user behavior. The system monitors whether the indicator moves during the creation process and dynamically adjusts the rectangle's orientation - maintaining axis-alignment if moved, or applying rotation if stationary - thereby optimizing the process for different user intentions without requiring separate tools.
2Manufacturing precision
If a user creates a rectangle and then rotates it to achieve the desired orientation, then the rectangle can be formed initially, but the final size may be incorrect and requires adjustment
Solution Approach 1:
The system performs preliminary calculation of the rotation angle based on the indicator's position before finalizing the rectangle. By determining the angle from the starting location to the indicator location and pre-applying this rotation, the system ensures the rectangle is correctly sized and oriented in a single operation, eliminating the need for post-creation adjustments.
Solution Approach 2:
The system uses feedback from the indicator's position to automatically adjust the rectangle's orientation. By monitoring where the user positions the indicator and using this information to calculate the appropriate rotation angle, the system provides real-time feedback that guides the rectangle creation process, ensuring the final size and orientation match user intent without requiring complex manual adjustments.
3Adaptability or versatility
If the system provides both aligned and rotated rectangle options, then user flexibility is improved, but the system complexity increases
Solution Approach 1:
The system achieves universality by making the single rectangle creation tool perform multiple functions. By detecting whether the indicator moves during creation, the same tool automatically adapts to create either axis-aligned rectangles (when moved) or rotated rectangles (when stationary), eliminating the need for separate aligned and rotated rectangle tools while maintaining both capabilities.
Solution Approach 2:
The system introduces dynamics by making the rectangle creation behavior adaptive based on user input patterns. The system monitors the indicator's movement during the creation process and dynamically adjusts the rectangle's properties - creating aligned rectangles when the indicator moves and rotated rectangles when it remains stationary - thereby providing versatility through a single dynamic tool rather than multiple static tools.
Data Source
AI summary
Methods for drawing an aligned rectangle or rotated rectangle on an electronic device are provided. In one aspect, a method includes receiving a first user input at a first location of a movable indicator in a graphical user interface includes an x-y axes, and determining whether the movable indicator has moved from the first location prior to receiving a second user input. The method also includes providing, for display, a rectangle based on coordinates of the first location and the second location and aligned to the x-y axes. The method further includes providing, for display, a first rotated rectangle, based on coordinates of the first location and a third location of the indicator, which is rotated about the x-y axes based on an angle calculated from the first location and the second location. Systems, graphical user interfaces, and machine-readable media are also provided.