Vector-based customizable pointing indicia

Patent metadata

Field	Value
Publication number	US-9190018-B2
Application number	US-201313907282-A
Country	US
Kind code	B2
Filing date	May 31, 2013
Priority date	Jul 2, 2009
Publication date	Nov 17, 2015
Grant date	Nov 17, 2015

Abstract

A method of rendering customized pointing indicia including the steps of monitoring application program interface messaging and intercepting a call for a unique system pointer identifier. A stored collection of predefined vector shapes is accessed, from which a predefined vector shape is selected correlated to the current system pointer identifier. The stroke and fill attributes are set for the vector shapes. A sequence of rasterized frames of vector shapes having different attributes are created and displayed to produce animated pointing indicia effect. The customized vector shape is rasterized and displayed to an end user operating a computer. Customization, animation, and magnification of pointing indicia are performed responsive to user input, which may be a touchscreen event, body movement, hand gesture, mouse event, or a key stroke.

First claim

What is claimed is:

1. A method of displaying customized pointing indicia comprising the steps of:
identifying a current system pointer identifier from an operating system's application program interface;
accessing a stored collection of predefined pointing indicia vector shapes;
selecting a predefined vector shape from the collection, the selected vector shape correlated to the current system pointer identifier;
setting predetermined stroke attributes for the selected vector shape defining an outline thereof;
rasterizing the selected vector shape; and
displaying the rasterized vector shape.

2. The method of claim 1 , further comprising the stroke attributes being selected from the group consisting of color, opacity, width, line cap, line join, and dashing.

3. The method of claim 1 , further comprising setting predetermined fill attributes for the selected vector shape defining a body thereof prior to displaying the rasterized vector shape.

4. The method of claim 3 , further comprising the step of detecting the RGB value of the background desktop under the pointing indicia and automatically recoloring the stroke color to provide distinct contrast between background desktop and stroke color.

5. The method of claim 4 , wherein the stroke color differs from the fill color establishing a visibly distinct outline border around the pointing indicia.

6. The method of claim 1 further comprising the step of caching rasterized shapes for reuse.

7. The method of claim 1 , wherein the stroke attributes are set responsive to user input.

8. The method of claim 7 , further comprising the user input being selected from the group consisting of a key stroke, a mouse-wheel event, a mouse gesture, and a combination thereof.

9. The method of claim 7 , wherein the user input is received via a touchscreen, the user input being selected from the group consisting of a touch-hold, a touch-tap, a touch-drag, a touch-flick, a pinch, a multi-touch, a touch gesture pattern, a stencil input, and a combination thereof.

10. The method of claim 7 , wherein the user input is sensed by a structured light scanner, the user command being selected from the group consisting of a hand gesture, a body movement, a facial expression, and a combination thereof.

11. The method of claim 7 , wherein the user input is a voice command received through a microphone.

12. A method of animating pointing indicia comprising the steps of:
identifying a current system pointer identifier from an operating system's application program interface;
accessing a stored collection of predefined pointing indicia vector shapes;
selecting a predefined vector shape from the collection, the selected vector shape correlated to the current system pointer identifier;
creating a set of rasterized frames of the selected vector shape, the rasterized frames having differing attributes; and
sequentially displaying the rasterized frames for a predetermined duration, thereby creating an animated pointing indicia effect.

13. The method of claim 12 , further comprising the attributes of the rasterized frames of the selected vector shape being selected from the group consisting of a stroke color, a stroke weight, a stroke opacity, a fill color, a fill opacity, a magnification level, and aspect ratios.

14. The method of claim 12 , wherein at least one attribute of a subsequent rasterized frame differs from a preceding rasterized frame by a degree sufficient to produce a visual animated effect when the rasterized frames are displayed sequentially.

15. The method of claim 12 , further comprising the step of caching rasterized shapes for reuse.

16. The method of claim 12 , wherein the steps of creating a set of rasterized frames and rendering an animated pointing indicium by sequentially displaying the rasterized frames are performed responsive to user input.

17. The method of claim 16 , further comprising the user input being selected from the group consisting of a key stroke, a mouse-wheel event, a mouse gesture, and a combination thereof.

18. The method of claim 16 , wherein the user input is received via a touchscreen, the user input being selected from the group consisting of a touch-hold, a touch-tap, a touch-drag, a touch-flick, a pinch, a multi-touch, a touch gesture pattern, a stencil input, and a combination thereof.

19. The method of claim 16 , wherein the user input is sensed by a structured light scanner, the user input being selected from the group consisting of a hand gesture, a body movement, a facial expression, and a combination thereof.

20. The method of claim 16 , wherein the user input is a voice command received through a microphone.

Assignees

• Freedom Scientific Inc

Inventors

• Stringer Anthony Bowman
• Voorhees Garald Lee

Classifications

• G06F2203/04806

  Zoom, i.e. interaction techniques or interactors for controlling the zooming operation · CPC title

• G06F3/0481

  based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance · CPC title

• G09G2340/045

  Zooming at least part of an image, i.e. enlarging it or shrinking it · CPC title

• G09G5/08 Primary

  Cursor circuits · CPC title