CN106201172B - Canvas display method and device for touch screen terminal - Google Patents
Canvas display method and device for touch screen terminal Download PDFInfo
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- CN106201172B CN106201172B CN201610485872.0A CN201610485872A CN106201172B CN 106201172 B CN106201172 B CN 106201172B CN 201610485872 A CN201610485872 A CN 201610485872A CN 106201172 B CN106201172 B CN 106201172B
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- 238000001514 detection method Methods 0.000 claims description 6
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0485—Scrolling or panning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a canvas display method of a touch screen terminal, which is characterized by comprising the following steps: starting whiteboard software in the touch screen terminal, and displaying canvas for a user to write on the touch screen terminal; detecting handwriting written by the user in the canvas to obtain position information of a to-be-written area of the user in the canvas; reading the position information of a preset comfortable writing area; and adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area, so that the area to be written is moved to the comfortable writing area. Correspondingly, the invention further discloses a canvas display device of the touch screen terminal. The invention enables the user to write in the most comfortable range all the time, avoids the situation that the user can write only by standing on tiptoe at a too high place and can write only by bending down at a too low place, thereby improving the writing experience of the user.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a canvas display method and device for a touch screen terminal.
Background
The teaching touch screen terminal is a multifunctional device developed on the basis of conventional electrified education and computer equipment, has functions of teaching, academic reports, conferences and the like, can meet the requirement of modern education on demonstration of various resources, and can provide a whiteboard canvas like a traditional blackboard for teachers to write through a touch function.
Because the height that traditional blackboard was fixed on the wall can not change, and the most comfortable height of mr is very narrow part when writing, too high place mr need stand on tiptoe and can write, too low place mr need bend over the waist and can write. The canvas provided by the current teaching touch screen terminal is the same as a common blackboard in writing operation, and the writing experience is also very bad in places which are too high and too short.
Disclosure of Invention
The invention aims to provide a canvas display method and device of a touch screen terminal, which can automatically adjust a to-be-written area to an area which is most comfortable for a user to write according to an existing handwriting area so as to improve the writing experience of the user on the canvas.
In order to achieve the above object, the present invention provides a canvas display method for a touch screen terminal, which is characterized by comprising:
starting whiteboard software in the touch screen terminal, and displaying canvas for a user to write on the touch screen terminal;
detecting handwriting written by the user in the canvas to obtain position information of a to-be-written area of the user in the canvas;
reading the position information of a preset comfortable writing area;
and adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area, so that the area to be written is moved to the comfortable writing area.
The implementation of the invention has the following beneficial effects:
according to the canvas display method of the touch screen terminal, the area to be written of the user is determined by detecting handwriting, the position information of the comfortable writing area is configured in advance, the display position of the canvas on the touch screen terminal can be automatically adjusted, the area to be written of the user in the canvas is moved to the comfortable writing area, the user can write in the most comfortable range all the time, the situation that the user can write only by standing on the tiptoe at a too high place and can write only by bending down at a too low place is avoided, and therefore the writing experience of the user is improved.
In one embodiment, the detecting the handwriting written by the user in the canvas to obtain the position information of the to-be-written area of the user in the canvas specifically includes:
detecting all handwriting written by a user in the canvas to obtain a minimum rectangular range surrounding all the handwriting;
acquiring a blank range outside the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range according to a preset rule to serve as the area to be written;
and extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
In one embodiment, the detecting the handwriting written by the user in the canvas to obtain the position information of the to-be-written area of the user in the canvas specifically includes:
detecting all handwriting written by a user in the canvas to obtain a vertical coordinate interval of all the handwriting;
acquiring a blank range outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range to serve as the area to be written;
and extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
Further, the comfortable writing area is an area which is adaptive to the comfortable writing height of the user on the touch screen terminal, and the ordinate information of the highest point in the area is used as the position information of the comfortable writing area;
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
Further, the adjusting, according to the position information of the to-be-written area and the position information of the comfortable writing area, a display position of the canvas on the touch screen terminal to move the to-be-written area to the comfortable writing area specifically includes:
calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and adjusting the display position of the canvas on the touch screen terminal according to the offset, so that the region to be written is moved to the comfortable writing region.
Correspondingly, the invention also provides a canvas display device of the touch screen terminal, which comprises:
the starting module is used for starting the whiteboard software in the touch screen terminal so as to display canvas for a user to write on the touch screen terminal;
the writing area acquisition module is used for detecting handwriting written by the user in the canvas to obtain position information of the writing area of the user in the canvas;
the comfortable writing area reading module is used for reading the position information of a preset comfortable writing area;
and the position adjusting module is used for adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area, so that the area to be written is moved to the comfortable writing area.
In one embodiment, the to-be-written region acquiring module includes:
the handwriting detection unit is used for detecting all the handwriting written by the user in the canvas to obtain a minimum rectangular range surrounding all the handwriting;
the area capturing unit is used for acquiring a blank range outside the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range according to a preset rule to serve as the area to be written;
and the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
In one embodiment, the to-be-written region acquiring module includes:
the handwriting detection unit is used for detecting all handwriting written by the user in the canvas to obtain a vertical coordinate interval of all the handwriting;
the area capturing unit is used for acquiring a blank range outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range to serve as the area to be written;
and the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
Further, the comfortable writing area is an area which is adaptive to the comfortable writing height of the user on the touch screen terminal, and the ordinate information of the highest point in the area is used as the position information of the comfortable writing area;
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
Further, the position adjustment module includes:
an offset calculating unit for calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and the canvas moving unit is used for adjusting the display position of the canvas on the touch screen terminal according to the offset so as to move the area to be written to the comfortable writing area.
Drawings
FIG. 1 is a flowchart of a canvas display method of a touch screen terminal according to the present invention;
FIG. 2 is a schematic diagram illustrating adjustment of a display position of a canvas in an embodiment of a method for displaying a canvas of a touch screen terminal according to the present invention;
FIG. 3 is a schematic diagram illustrating adjustment of a display position of a canvas in another embodiment of a canvas display method of a touch screen terminal according to the present invention;
FIG. 4 is a schematic diagram of the division of blank ranges in a canvas;
FIG. 5 is a block diagram of a canvas display apparatus of a touch screen terminal according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a flowchart of a canvas display method of a touch screen terminal; the method comprises the following steps:
s11, starting whiteboard software in the touch screen terminal, and displaying canvas for a user to write on the touch screen terminal;
s12, detecting handwriting written by the user in the canvas to obtain position information of a to-be-written area of the user in the canvas;
s13, reading the position information of the preset comfortable writing area;
s14, adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area, so that the area to be written is moved to the comfortable writing area.
Further, the comfortable writing area is an area which is adaptive to the comfortable writing height of the user on the touch screen terminal, and the ordinate information of the highest point in the area is used as the position information of the comfortable writing area;
during specific implementation, the ordinate information of the highest point of the comfortable writing area, namely the position information of the comfortable writing area, can be configured in advance according to the distance between the lower boundary of the touch screen terminal and the ground and the height of a user; specifically, the method comprises the following steps:
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
Referring to fig. 2, a schematic diagram of adjusting a display position of a canvas in an embodiment of a method for displaying a canvas of a touch screen terminal provided by the present invention; in this embodiment, according to the distance between the lower boundary of the touch screen terminal 21 and the ground and the height of the user, a region 40cm to 80cm away from the lower boundary of the touch screen terminal 21 is an area most suitable for the user to write, and with the lower boundary of the touch screen terminal 21 as a zero point of a ordinate axis, the ordinate information of the highest point of the comfortable writing area is 80 cm; step S12 specifically includes:
detecting all handwriting 23 written by the user in the canvas 22 to obtain the vertical coordinate intervals of all the handwriting;
acquiring a blank range 24 outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range 24 to serve as the area to be written;
and extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
In general, the blank range 24 includes an upper blank region 241 and a lower blank region 242, and it is preferable to select a region having a large difference in vertical coordinates as a region to be written, that is, a rectangular region having the largest area in the blank range as the region to be written.
The technical personnel in the field can know that according to the vertical coordinate information of the highest point of the to-be-written area and the vertical coordinate information of the highest point of the comfortable writing area, the vertical coordinate information of the highest point of the to-be-written area is matched with the vertical coordinate information of the highest point of the comfortable writing area, namely the display position of the canvas on the touch screen terminal is adjusted, the height of the highest point of the to-be-written area is adjusted to be 80cm away from the lower boundary of the touch screen terminal, and then the to-be-written area can be moved into the comfortable writing area. Specifically, step S14 includes:
calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and adjusting the display position of the canvas on the touch screen terminal according to the offset, so that the region to be written is moved to the comfortable writing region.
Referring to fig. 3, a schematic diagram of adjusting a display position of a canvas in another embodiment of the method for displaying a canvas of a touch screen terminal according to the present invention is shown; the present embodiment is different from the previous embodiment in that step S12 includes:
detecting all handwriting 23 written by the user in the canvas 22 to obtain a minimum rectangular range surrounding all the handwriting;
acquiring a blank range 25 out of the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range 25 according to a preset rule to serve as the area to be written;
and extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
The embodiment takes the minimum rectangular range surrounding the handwriting as the handwriting range, utilizes the blank range as the area to be written to the maximum extent, and improves the utilization rate of the canvas.
Generally, for handwriting scopes, the blank scope 25 can be divided into eight rectangular areas 251, 252, 253, 254, 255, 256, 257, 258 as shown in the diagram for dividing the blank scope of the canvas shown in fig. 4. Preferably, a rectangular region with the largest area can be used as a region to be written, that is, a rectangular region 255 is cut out to be used as a region to be written; or following the rule of first writing, then right writing, that is, selecting the rectangular area 257 as the area to be written until there is no blank area below the minimum rectangular area surrounding the handwriting, and then intercepting the rectangular area from the right side of the handwriting as the area to be written. The method is set according to the requirements of actual conditions.
Further, in this embodiment, in the writing process, a fixed frequency may be set, and at a certain interval, the current handwriting range is automatically re-detected to obtain a new area to be written, and the display position of the canvas on the touch screen terminal is re-adjusted, so that the user can always write at the most comfortable position.
In other embodiments, preferably, the writing pause time is detected, if the writing pause time is greater than a preset threshold, for example, 2 seconds, the current handwriting range is detected, a new area to be written is obtained through calculation, and the display position of the canvas on the touch screen terminal is readjusted.
Referring to fig. 5, the drawing is a block diagram of a canvas display apparatus of a touch screen terminal provided by the present invention. The device includes:
the starting module 11 is configured to start whiteboard software in the touch screen terminal, so as to display a canvas for a user to write on the touch screen terminal;
a to-be-written area obtaining module 12, configured to detect handwriting written by the user in the canvas, and obtain position information of the to-be-written area of the user in the canvas;
a comfortable writing area reading module 13, configured to read position information of a preconfigured comfortable writing area;
and a position adjusting module 14, configured to adjust a display position of the canvas on the touch screen terminal according to the position information of the to-be-written area and the position information of the comfortable writing area, so that the to-be-written area is moved to the comfortable writing area.
In one embodiment, the to-be-written region acquiring module 12 includes:
the handwriting detection unit is used for detecting all the handwriting written by the user in the canvas to obtain a minimum rectangular range surrounding all the handwriting;
the area capturing unit is used for acquiring a blank range outside the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range according to a preset rule to serve as the area to be written;
and the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
In another embodiment, the to-be-written region acquisition module 12 includes:
the handwriting detection unit is used for detecting all handwriting written by the user in the canvas to obtain a vertical coordinate interval of all the handwriting;
the area capturing unit is used for acquiring a blank range outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range to serve as the area to be written;
and the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written.
Further, the comfortable writing area is an area which is adaptive to the comfortable writing height of the user on the touch screen terminal, and the ordinate information of the highest point in the area is used as the position information of the comfortable writing area;
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
Further, the position adjustment module 14 includes:
an offset calculating unit for calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and the canvas moving unit is used for adjusting the display position of the canvas on the touch screen terminal according to the offset so as to move the area to be written to the comfortable writing area.
According to the canvas display method and device for the touch screen terminal, the area to be written of the user is determined by detecting handwriting, the position information of the comfortable writing area is configured in advance, the display position of the canvas on the touch screen terminal can be automatically adjusted, the area to be written of the user in the canvas is moved to the comfortable writing area, the user can write in the most comfortable range all the time, the situation that the user can write only by standing on the tiptoe in a too high place and can write only by bending down in a too low place is avoided, and therefore the writing experience of the user is improved.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (6)
1. A canvas display method of a touch screen terminal is characterized by comprising the following steps:
starting whiteboard software in the touch screen terminal, and displaying canvas for a user to write on the touch screen terminal;
detecting handwriting written by the user in the canvas to obtain position information of a to-be-written area of the user in the canvas;
reading the position information of a preset comfortable writing area;
adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area, so that the area to be written is moved to the comfortable writing area;
detecting handwriting written by the user in the canvas, and obtaining position information of a to-be-written area of the user in the canvas, wherein the detecting specifically comprises the following steps:
detecting all handwriting written by a user in the canvas to obtain a minimum rectangular range surrounding all the handwriting;
acquiring a blank range outside the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range according to a preset rule to serve as the area to be written;
extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written;
or detecting all handwriting written by the user in the canvas to obtain the vertical coordinate intervals of all the handwriting;
acquiring a blank range outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range to serve as the area to be written;
extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written;
the canvas display method of the touch screen terminal further comprises the following steps:
and detecting the pause time of writing by the user in the canvas, if the pause time is greater than a preset threshold value, detecting the current handwriting range, calculating to obtain a new region to be written, and readjusting the display position of the canvas on the touch screen terminal.
2. The canvas display method of a touch screen terminal according to claim 1, wherein the comfortable writing area is an area on the touch screen terminal that is adapted to a comfortable writing height of a user, and the ordinate information of the highest point in the area is used as the position information of the comfortable writing area;
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
3. The canvas display method of a touch screen terminal according to claim 2, wherein the adjusting the display position of the canvas on the touch screen terminal according to the position information of the region to be written and the position information of the comfortable writing region to move the region to be written to the comfortable writing region specifically includes:
calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and adjusting the display position of the canvas on the touch screen terminal according to the offset, so that the region to be written is moved to the comfortable writing region.
4. A canvas display device of a touch screen terminal, comprising:
the starting module is used for starting whiteboard software in the touch screen terminal and displaying canvas for a user to write on the touch screen terminal;
the writing area acquisition module is used for detecting handwriting written by the user in the canvas to obtain position information of the writing area of the user in the canvas;
the comfortable writing area reading module is used for reading the position information of a preset comfortable writing area;
the position adjusting module is used for adjusting the display position of the canvas on the touch screen terminal according to the position information of the area to be written and the position information of the comfortable writing area so as to move the area to be written to the comfortable writing area;
the to-be-written region acquisition module comprises:
the handwriting detection unit is used for detecting all the handwriting written by the user in the canvas to obtain a minimum rectangular range surrounding all the handwriting;
the area capturing unit is used for acquiring a blank range outside the minimum rectangular range in the canvas, and intercepting a rectangular area from the blank range according to a preset rule to serve as the area to be written;
the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written;
or, the to-be-written region acquisition module includes:
the handwriting detection unit is used for detecting all handwriting written by the user in the canvas to obtain a vertical coordinate interval of all the handwriting;
the area capturing unit is used for acquiring a blank range outside the vertical coordinate interval on the canvas, and intercepting a rectangular area with the largest area from the blank range to serve as the area to be written;
the information extraction unit is used for extracting the vertical coordinate information of the highest point of the area to be written as the position information of the area to be written;
the canvas display device of the touch screen terminal is further used for detecting the pause time of user writing in the canvas, if the pause time is larger than a preset threshold value, the current handwriting range is detected, a new area to be written is obtained through calculation, and the display position of the canvas on the touch screen terminal is readjusted.
5. The canvas display apparatus of a touch screen terminal according to claim 4, wherein the comfortable writing area is an area on the touch screen terminal that is adapted to a comfortable writing height of a user, and ordinate information of a highest point in the area is used as position information of the comfortable writing area;
the position information of the comfortable writing area is configured by receiving a vertical coordinate value input by a user;
or the position information of the comfortable writing area is configured by detecting the ordinate information of a pixel point touched by the user on the touch screen terminal;
or the position information of the comfortable writing area is a vertical coordinate value preset by the whiteboard software.
6. The canvas display apparatus of a touch screen terminal according to claim 5, wherein the position adjustment module comprises:
an offset calculating unit for calculating a difference between the position information of the comfortable writing area and the position information of the area to be written as an offset;
and the canvas moving unit is used for adjusting the display position of the canvas on the touch screen terminal according to the offset so as to move the area to be written to the comfortable writing area.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485872.0A CN106201172B (en) | 2016-06-24 | 2016-06-24 | Canvas display method and device for touch screen terminal |
| PCT/CN2016/113330 WO2017219645A1 (en) | 2016-06-24 | 2016-12-30 | Canvas displaying method and device for touch screen terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485872.0A CN106201172B (en) | 2016-06-24 | 2016-06-24 | Canvas display method and device for touch screen terminal |
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| CN106201172A CN106201172A (en) | 2016-12-07 |
| CN106201172B true CN106201172B (en) | 2020-09-01 |
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| CN201610485872.0A Active CN106201172B (en) | 2016-06-24 | 2016-06-24 | Canvas display method and device for touch screen terminal |
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| WO (1) | WO2017219645A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201172B (en) * | 2016-06-24 | 2020-09-01 | 广州视睿电子科技有限公司 | Canvas display method and device for touch screen terminal |
| CN106873853A (en) * | 2017-01-18 | 2017-06-20 | 上海木爷机器人技术有限公司 | Screen display method and device |
| CN107391148B (en) * | 2017-07-28 | 2020-09-15 | 广州视源电子科技股份有限公司 | View element saving method and device, electronic equipment and computer storage medium |
| CN109117072B (en) * | 2018-07-24 | 2021-07-30 | 广州视源电子科技股份有限公司 | Writing area control method and system, writing method and system and interactive intelligent tablet |
| CN109062497A (en) * | 2018-08-17 | 2018-12-21 | 石家庄科达文教用品有限公司 | synchronous writing method, device and terminal device |
| CN109271086A (en) * | 2018-08-31 | 2019-01-25 | 湖南新云网科技有限公司 | A kind of Writing method of electronic whiteboard, storage medium and electronic whiteboard |
| CN111506348A (en) * | 2020-04-22 | 2020-08-07 | 广州光大教育软件科技股份有限公司 | Handwriting board correction multithreading parallel processing method, device, equipment and medium |
| CN112181268B (en) * | 2020-09-15 | 2022-04-29 | 深圳市鹰硕技术有限公司 | Answering method, device, terminal and system based on intelligent pen |
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| WO2017219645A1 (en) | 2017-12-28 |
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