Invention Grant
- Patent Title: Drag to undo/redo a digital ink canvas using a visible history palette
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Application No.: US15483673Application Date: 2017-04-10
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Publication No.: US10229518B2Publication Date: 2019-03-12
- Inventor: Dino Cris Carlos
- Applicant: Prysm, Inc.
- Applicant Address: US CA San Jose
- Assignee: Prysm, INC.
- Current Assignee: Prysm, INC.
- Current Assignee Address: US CA San Jose
- Agency: Wolfe-SBMC
- Main IPC: G06T11/20
- IPC: G06T11/20 ; G06F3/0481 ; G06F17/24 ; G06F3/0484

Abstract:
Techniques are described to support undo and redo operations in connection with a digital ink canvas on an appliance that can take part in a collaboration amongst multiple appliances that can share content. The digital ink canvas is a digital area that accepts inputs from a user and renders a digital stroke. The described techniques make use of a navigable history palette which includes individual history entries that each provide a visual representation of a state of the digital ink canvas at some point during the collaboration. The history palette provides a navigable user interface instrumentality which permits panning through the history palette to enable user to select a particular visual representation. The digital ink canvas is then returned to the state associated with the selected visual representation. The selected visual representation can be provided across the appliances participating in the virtual collaboration.
Public/Granted literature
- US20180293766A1 Drag to Undo/Redo a Digital Ink Canvas Using a Visible History Palette Public/Granted day:2018-10-11
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