Time-lapse Video Generation via Undo History in Vector Graphics Apps
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Solution Overview
Problem
Current user interfaces for tablet computers, particularly in vector graphics applications, lack precision and feedback, making it difficult for users to create artwork using pen tools and fingers, as they struggle with generating vector graphics effectively.
Innovation Solution
The implementation of enhanced user interface features such as artboard guides, hover mode, last node marker, help mode, auto trace, high precision joystick, and time-lapse video generation using the undo history, which provide improved interaction and feedback for users, enabling more precise and efficient vector graphics creation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pen tools and fingers are used with existing user interfaces on tablet touch surfaces, then users can interact with the display, but the creation of vector graphics becomes difficult and unsatisfying due to lack of precision and feedback
Solution Approach 1:
The patent implements hover mode that provides visual feedback to users as they move their pen or finger across the display surface. This feedback mechanism shows users exactly where their input is being registered and how it is being interpreted, enabling more precise control over vector graphic creation while maintaining ease of operation through intuitive interaction.
2Ease of manufacture
If existing user interfaces are used for vector graphics creation, then basic drawing is possible, but the difficulty of creating satisfactory artwork increases
Solution Approach 1:
The patent segments the user interface into multiple functional modes including hover mode, help mode, and artboard guide features. Each mode addresses specific challenges in vector graphics creation, making the overall system more manageable and easier to use while reducing the complexity burden on individual users by providing targeted assistance and tools.
Solution Approach 2:
The patent introduces intermediary elements such as guides, markers, and hover feedback that mediate between the user's input and the final vector graphic output. These intermediaries simplify the creation process by providing real-time guidance and feedback, reducing the complexity of achieving precise vector graphics without requiring users to master complex interface operations.
3Adaptability or versatility
If time-lapse video generation is added using undo history, then video creation capability is improved, but the system complexity increases
Solution Approach 1:
The patent leverages the existing undo history mechanism to serve dual purposes: traditional undo/redo operations and time-lapse video generation. By making the undo history accessible for video creation, the system gains versatility without requiring a completely separate recording and processing system, thus managing complexity while enhancing functionality.
Solution Approach 2:
The patent creates a visual copy of the creation process by generating time-lapse video from the sequence of undo history instructions. This copying approach allows users to review and share their artwork creation process without adding complex real-time recording infrastructure, as the system simply replays the stored instructions that already exist in the undo history.
Data Source
AI summary
A method and apparatus for generating a time-lapse video are disclosed. In one embodiment, the method comprises: storing each instruction that is executed by a vector graphics application to create artwork on a display of a computer system during one or more editing sessions as part of an undo history; and generating a time-lapse video using the undo history.