DRAWING CONTENT PROCESSING METHOD AND DEVICE FOR TERMINAL APPARATUS, AND TERMINAL APPARATUS

• US 20200134890A1
• Filed: 08/14/2019
• Published: 04/30/2020
• Est. Priority Date: 10/24/2018
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: ZHANG, Weihua, LIU, Shilei
• Granted Patent: US 11,182,936 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 2203/04101 2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G06F 3/04845 for image manipulation, e.g. dragging, rotation, expansion or change of colour
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06T 11/203 Drawing of straight lines or curves
• CPC Class Codes: G06T 11/60 Editing figures and text; Combining figures or text
• CPC Class Codes: G06T 2200/24 involving graphical user interfaces [GUIs]

Abstract

The present disclosure provides drawing content processing method and device for a terminal apparatus. The method includes positioning a drawing focus of a user based on a drawing operation of the user and processing drawing content displayed on a screen of the terminal apparatus based on the positioned drawing focus.

Claims

1. A method for drawing content processing by a terminal apparatus, comprising:

positioning a drawing focus of a user based on a drawing operation of the user; and

processing drawing content displayed on a screen of the terminal apparatus based on the positioned drawing focus.

2. The method of claim 1, wherein the drawing operation of the user comprises at least one of an operation of selecting the drawing focus, an operation of lowering a drawing pen, and an operation of hovering the drawing pen, and

wherein the processing of the drawing content displayed on the screen of the terminal apparatus comprises at least one of zooming-in, zooming-out, moving a display position of the drawing focus, switching between drawing objects, displaying drawing reference information, adjusting the resolution of the drawing content, and expanding a canvas including the drawing content.

3. The method of claim 1, wherein the positioning of the drawing focus comprises one of:

determining a mapping position of the drawing pen on a screen of the terminal apparatus as the drawing focus of the user, and determining the drawing focus of the user based on information about drawing content within a local region of the mapping position; and

determining the drawing focus of the user based on a historical drawing focus, the historical drawing focus being the drawing focus of the user, whose a distance from the mapping position within a preset distance threshold range.

4. The method of claim 3, wherein the information about the drawing content within the local region of the mapping position comprises at least one of:

thickness information of lines of the drawing content, density information of lines of the drawing content, shape information of lines of the drawing content, color information of lines of the drawing content, texture information of the drawing content, and border information of the drawing content.

5. The method of claim 2, wherein the zooming-in is triggered based on at least one of an operation of modifying parameters of the drawing pen, the parameters of the drawing pen including at least one of pen type, line type, line color and texture information, information about the drawing content corresponding to the drawing focus, a distance from the drawing pen to the terminal apparatus, a speed of bringing a pen down, and a screen size of the terminal apparatus, and a user instruction for the zooming-in, and

wherein the zooming-out is triggered based on at least one of an operation of raising the pen, a user instruction for the zooming-out, historical processing information of the drawing content corresponding to the drawing focus, distance from the drawing pen to the terminal apparatus, the speed of raising the pen down, and the screen size of the terminal apparatus.

6. The method of claim 2, wherein the moving the display position of the drawing focus comprises:

moving the drawing focus of the user to a preset position on the screen of the terminal apparatus for displaying; and

/or

moving the display position of the drawing focus of the user, to correspond to the mapping position of the drawing pen on the screen of the terminal apparatus.

7. The method of claim 2, wherein the switching between the drawing objects is triggered based on at least one of an operation of raising the drawing pen, a user instruction, similarity between the drawing objects, a display position of each of the drawing objects, and historical processing information of the drawing content corresponding to the drawing focus.

8. The method of claim 7, wherein each of the drawing objects is determined based on at least one of:

a distance between the drawing objects corresponding to the drawing focus of the user, similarity between the drawing objects corresponding to the drawing focus of the user, and a user instruction.

9. The method of claim 2, wherein the adjusting the resolution of the drawing content is triggered based on at least one of a change in zoom scale of the canvas and a user instruction.

10. The method of claim 2, further comprising:

after expanding the canvas bearing the drawing content, fitting the drawing content of the user in the expanded canvas according to a drawing trajectory of the drawing pen in the canvas and a motion trend of the drawing pen.

11. A terminal apparatus, comprising:

a display; and

at least one processor configured to;

position a drawing focus of a user based on a drawing operation of the user; and

process drawing content displayed on the display according to the positioned drawing focus.

12. The terminal apparatus of claim 11, wherein the drawing operation of the user comprises at least one of an operation of selecting the drawing focus, an operation of lowering a drawing pen, and an operation of hovering the drawing pen, and

wherein the processing of the drawing content displayed on the screen of the terminal apparatus comprises at least one of zooming-in, zooming-out, moving a display position of the drawing focus, switching between drawing objects, displaying drawing reference information, adjusting the resolution of the drawing content, and expanding a canvas including the drawing content.

13. The terminal apparatus of claim 11, wherein the at least one processor is further configured to perform one of:

determining a mapping position of the drawing pen on a screen of the terminal apparatus as the drawing focus of the user, and determining the drawing focus of the user based on information about drawing content within a local region of the mapping position, and

determining the drawing focus of the user based on a historical drawing focus, the historical drawing focus being the drawing focus of the user, whose a distance from the mapping position within a preset distance threshold range.

14. The terminal apparatus of claim 13, wherein the information about the drawing content within the local region of the mapping position comprises at least one of:

thickness information of lines of the drawing content, density information of lines of the drawing content, shape information of lines of the drawing content, color information of lines of the drawing content, texture information of the drawing content, and border information of the drawing content.

15. The terminal apparatus of claim 12, wherein the zooming-in is triggered based on at least one of an operation of modifying parameters of the drawing pen, the parameters of the drawing pen including at least one of pen type, line type, line color and texture information, information about the drawing content corresponding to the drawing focus, a distance from the drawing pen to the terminal apparatus, a speed of bringing a pen down, and a screen size of the terminal apparatus, and a user instruction for the zooming-in, and

wherein the zooming-out is triggered based on at least one of an operation of raising the pen, a user instruction for the zooming-out, historical processing information of the drawing content corresponding to the drawing focus, distance from the drawing pen to the terminal apparatus, the speed of raising the pen down, and the screen size of the terminal apparatus.

16. The terminal apparatus of claim 12, wherein the moving the display position of the drawing focus comprises:

moving the drawing focus of the user to a preset position on the screen of the terminal apparatus for displaying; and

/or

moving the display position of the drawing focus of the user, to correspond to the mapping position of the drawing pen on the screen of the terminal apparatus.

17. The terminal apparatus of claim 12, wherein the switching between the drawing objects is triggered based on at least one of an operation of raising the drawing pen, a user instruction, similarity between the drawing objects, a display position of each of the drawing objects, and historical processing information of the drawing content corresponding to the drawing focus.

18. The terminal apparatus of claim 17, wherein each of the drawing objects is determined based on at least one of:

a distance between the drawing objects corresponding to the drawing focus of the user, similarity between the drawing objects corresponding to the drawing focus of the user, and a user instruction.

19. The terminal apparatus of claim 12, wherein the adjusting the resolution of the drawing content is triggered based on at least one of a change in zoom scale of the canvas and a user instruction.

20. The terminal apparatus of claim 12, wherein the at least one processor is further configured to:

after expanding the canvas bearing the drawing content, fit the drawing content of the user in the expanded canvas according to a drawing trajectory of the drawing pen in the canvas and a motion trend of the drawing pen.