Method for providing corrected stroke input and display device thereof

1 . A display device, comprising:

a display including a touchscreen; and

at least one processor operatively connected with the display, wherein the at least one processor is configured to:

identify three or more letter areas corresponding to letters provided on the touchscreen, each letter area surrounding a corresponding letter;

based on receiving a stroke input on the three or more letter areas through the touchscreen, select three or more interest areas from the three or more letter areas, wherein the three or more interest areas are letter areas, where the stroke input is received on, from among the three or more letter areas;

identify a start area corresponding to a start point of the stroke input among the three or more interest areas;

identify a last area corresponding to an end point of the stroke input among the three or more interest areas;

generate a line input continuing from the start area to the last area, the line input being generated to pass through one or more intermediate areas positioned between the start area and the last area among the three or more interest areas; and

control the display to display the generated line input on the touchscreen, and

wherein the three or more interest areas include the start area, the last area and the one or more intermediate areas.

2 . The display device of claim 1 , wherein the at least one processor is further configured to identify the letter areas as rectangular areas surrounding respective letters.

3 . The display device of claim 1 ,

wherein each of the three or more interest areas includes an upper area element, an intermediate area element, a lower area element, and a bottom area element,

wherein the start point of the stroke input corresponds to a first area element of the start area, and the end point of the stroke input corresponds to a second area element of the last area,

wherein the line input is generated to pass through one or more third area elements corresponding respectively to the one or more intermediate areas based on at least one of the first area element or the second area element,

wherein the first area element is identified as one of the upper area element, the intermediate area element, the lower area element, or the bottom area element,

wherein the second area element is identified as one of the upper area element, the intermediate area element, the lower area element, or the bottom area element, and

wherein each of the one or more third area elements corresponds to an area element identified for the first area element or the second area element.

4 . The display device of claim 3 , wherein the stroke input received on the touchscreen comprises one of a shading stroke input or a solid line stroke input, and

wherein the at least one processor is further configured to, to:

based on receiving the shading stroke input in the letter areas, set the line input as a shading line input; and

based on receiving the solid line stroke input in the letter areas, set the line input as a solid line input.

5 . The display device of claim 4 , wherein the at least one processor is further configured to, based on the stroke input received in the letter areas being the shading stroke input, identify the shading line input as having a line thickness that is the same as the line thickness of the shading stroke input, and

wherein the line thickness of the shading line input is the same from the first area element of the start area to the second area element of the last area.

6 . The display device of claim 4 , wherein the at least one processor is further configured to:

based on the stroke input received in the letter areas being the shading stroke input, identify the shading line input as having the same line thickness as the shading stroke input,

set the shading line input to have a line thickness extended by the same length in upper and lower directions of a central line, and

set the central line to pass through a central axis of the first area element of the start area and a central axis of the second area element of the last area.

7 . The display device of claim 4 , wherein the at least one processor is further configured to, based on the stroke input received in the letter areas being the shading stroke input, generate the shading line input to at least partially fill the one or more third area elements set to allow the shading line input to pass through.

8 . The display device of claim 4 , wherein the at least one processor is further configured to, based on the stroke input received in the letter areas being the solid line stroke input, identify the solid line input as having a same thickness as the solid line stroke input, and identify the thickness of the solid line input as being the same from the first area element of the start area to the second area element of the last area.

9 . The display device of claim 4 , wherein the at least one processor is further configured to generate the solid line input to pass through the bottom area element of each of the three or more interest areas based on the first area element where the start point of the solid line stroke input is applied and the second area element where the end point of the solid line stroke input is applied being identified as the lower area element.

10 . The display device of claim 4 , wherein the at least one processor is further configured to map checker information to the solid line input based on the first area element where the start point of the solid line stroke input is applied and the second area element where the end point of the solid line stroke input is applied being identified as the intermediate area element.

11 . The display device of claim 4 , wherein the at least one processor is further configured to control the display to display the solid line stroke input on the touchscreen, without displaying the solid line input, based on the first area element where the solid line stroke input is applied being identified as any one of the upper area element or the lower area element and the second area element where the end point of the solid line stroke input is applied being identified as a remaining one of the upper area element or the lower area element.

12 . The display device of claim 1 , wherein the at least one processor is further configured to, in displaying the generated line input on the touchscreen, control the display to display the stroke input and the line input on the touchscreen while the stroke input on the touchscreen is maintained to the end point of the stroke input.

13 . The display device of claim 12 , wherein the at least one processor is further configured to control the display to display the line input on the touchscreen, with the stroke input omitted from the touchscreen, based on the stroke input being stopped.

14 . The display device of claim 3 , wherein the at least one processor is further configured to control the display to represent the line input as a straight line in the first area element of the start area, the one or more third area elements of the one or more intermediate areas, and the second area element of the last area, and represent the line input as the straight line, a curve, or a combination of the straight line and the curve, between the three or more interest areas that are adjacent.

15 . A method for providing a corrected stroke input by a display device, the method comprising:

identifying three or more letter areas corresponding to letters provided on a touchscreen, each letter area surrounding a corresponding letter;

based on receiving a stroke input on the three or more letter areas through the touchscreen, selecting the three or more interest areas from the three or more letter areas, wherein the three or more interest areas are letter areas, where the stroke input is received on, from among the three or more letter areas;

identifying a start area corresponding to a start point of the stroke input among the three or more interest areas, and a last area corresponding to an end point of the stroke input among the three or more interest areas;

generating a line input continuing from the start area to the last area, the line input being generated to pass through one or more intermediate areas positioned between the start area and the last area among the three or more interest areas; and

displaying the generated line input on the touchscreen,

wherein the three or more interest areas include the start area, the last area and the one or more intermediate areas.

16 . A display device, comprising:

at least one memory configured to store instructions; and

at least one processor configured to execute the instructions to:

identify three or more letter areas corresponding to letters provided on a touchscreen, each letter area surrounding a corresponding letter;

based on receiving a stroke input on the three or more letter areas through the touchscreen, select three or more interest areas from the three or more letter areas, wherein the three or more interest areas are letter areas, where the stroke input is received on, from among the three or more letter areas;

identify a start area corresponding to a start point of the stroke input among the three or more interest areas;

identify a last area corresponding to an end point of the stroke input among the three or more interest areas;

generate a line input continuing from the start area to the last area, the line input being generated to pass through one or more intermediate areas positioned between the start area and the last area among the three or more interest areas; and

control a display to display the generated line input on the touchscreen,

wherein the three or more interest areas include the start area, the last area and the one or more intermediate areas.

17 . The display device of claim 16 , wherein the at least one processor is further configured to identify the letter areas as rectangular areas surrounding respective letters.

18 . The display device of claim 16 , wherein each of the three or more interest areas includes an upper area element, an intermediate area element, a lower area element, and a bottom area element,

wherein the start point of the stroke input corresponds to a first area element of the start area, and the end point of the stroke input corresponds to a second area element of the last area,

wherein the line input is generated to pass through one or more third area elements corresponding respectively to the one or more intermediate areas based on at least one of the first area element or the second area element,

wherein the first area element is identified as one of the upper area element, the intermediate area element, the lower area element, or the bottom area element,

wherein the second area element is identified as one of the upper area element, the intermediate area element, the lower area element, or the bottom area element, and

wherein each of the one or more third area elements corresponds to an area element identified for the first area element or the second area element.

19 . The display device of claim 18 , wherein the stroke input received on the touchscreen comprises one of a shading stroke input or a solid line stroke input, and

wherein the at least one processor is further configured to:

based on receiving the shading stroke input in the letter areas, set the line input as a shading line input; and

based on receiving the solid line stroke input in the letter areas, set the line input as a solid line input.

20 . The display device of claim 19 , wherein the at least one processor is further configured to:

based on the stroke input received in the letter areas being the shading stroke input, identify the shading line input as having a line thickness that is the same as the line thickness of the shading stroke input, and

wherein the line thickness of the shading line input is the same from the first area element of the start area to the second area element of the last area.