CN111158569A - Erasing operation method and device and electronic equipment - Google Patents
Erasing operation method and device and electronic equipment Download PDFInfo
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- CN111158569A CN111158569A CN201811323282.3A CN201811323282A CN111158569A CN 111158569 A CN111158569 A CN 111158569A CN 201811323282 A CN201811323282 A CN 201811323282A CN 111158569 A CN111158569 A CN 111158569A
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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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Abstract
The invention discloses an erasing operation method and device and electronic equipment, wherein the erasing operation method comprises the following steps: setting a plurality of erasing thresholds according to the size of the erasing area, wherein a specific erasing area is determined by two adjacent erasing thresholds; detecting and acquiring a touch area, comparing the touch area with the two adjacent erasing thresholds, and determining a specific erasing area corresponding to the touch area; and executing the erasing operation according to the specific erasing area. The invention can dynamically determine the erasing area according to the touch area without switching and is convenient to operate.
Description
Technical Field
The present invention relates to the field of touch operations, and in particular, to an erase operation method and apparatus, and an electronic device.
Background
Touch input devices such as touch screens and electronic whiteboards are increasingly widely applied in daily life, and various types of software with specific functions are installed, so that the editing function of various types of format data such as characters, pictures, multimedia and the like can be realized. In the editing process, erasing is a common function, and is generally realized by clicking a button at present, namely, a user clicks an eraser button to realize an erasing function, in order to erase handwriting contents with different areas, erasers with different sizes can be clicked (three eraser buttons with different sizes are generally arranged), the switching process is complicated, and the operation is inconvenient.
Disclosure of Invention
In view of this, the present invention provides an erasing operation method and apparatus, and an electronic device, which can dynamically determine an erasing area according to a touch screen area, do not need to switch an operation button, and are convenient to operate.
In view of the above object, the present invention provides an erasing operation method, including:
setting a plurality of erasing thresholds according to the size of the erasing area, wherein a specific erasing area is determined by two adjacent erasing thresholds;
detecting and acquiring a touch area, comparing the touch area with the two adjacent erasing thresholds, and determining a specific erasing area corresponding to the touch area;
and executing the erasing operation according to the specific erasing area.
Optionally, the method further includes:
detecting and acquiring the number of touch points and the position of each touch point;
and judging whether the position of at least one touch point is not changed within a first time threshold value, and if so, stopping executing the erasing operation.
Optionally, the method further includes:
detecting and acquiring the disappearance time of the touch information;
and judging whether the touch information disappearance time is larger than a second time threshold, and if so, stopping executing the erasing operation.
Optionally, a minimum erasure threshold, a first erasure threshold, and a maximum erasure threshold are set, and the minimum erasure threshold is smaller than the first erasure threshold and smaller than the maximum erasure threshold; if the touch area is smaller than the minimum erasing threshold value, not executing erasing operation; if the touch area is between the minimum erasing threshold and the first erasing threshold, executing erasing operation according to the first specific erasing area; if the touch area is between the first erasing threshold and the maximum erasing threshold, executing erasing operation according to the second specific erasing area; and if the touch area is larger than the maximum erasing threshold value, not executing erasing operation.
An embodiment of the present invention further provides an erasing operation device, including:
the detection module is used for detecting and acquiring a touch area;
the judging module is used for dynamically determining a corresponding erasing area according to the touch area;
and the execution module is used for executing the erasing operation according to the erasing area according to the judgment result of the judgment module.
Optionally, the apparatus further comprises:
the detection and processing module is used for detecting touch information and determining the number of touch points and the position of each touch point according to the touch information;
and the action judging module is used for judging whether the position of at least one touch point is not changed within a first time threshold value or not according to the number of the touch points and the positions of the touch points, and if so, stopping executing the erasing operation.
Optionally, the apparatus further comprises:
the detection and processing module is used for detecting the disappearance time of the touch information;
and the action judging module is used for judging whether the touch information disappearance time is greater than a second time threshold value or not, and if so, stopping executing the erasing operation.
Optionally, a minimum erasure threshold, a first erasure threshold, and a maximum erasure threshold are set, and the minimum erasure threshold is smaller than the first erasure threshold and smaller than the maximum erasure threshold; if the touch area is smaller than the minimum erasing threshold value, not executing erasing operation; if the touch area is between the minimum erasing threshold and the first erasing threshold, executing erasing operation according to the first specific erasing area; if the touch area is between the first erasing threshold and the maximum erasing threshold, executing erasing operation according to the second specific erasing area; and if the touch area is larger than the maximum erasing threshold value, not executing erasing operation.
The embodiment of the invention also provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the erasing operation method when executing the program.
From the above, the erasing operation method, the erasing operation device and the electronic device provided by the invention comprise the steps of setting a plurality of erasing thresholds according to the size of an erasing area, wherein a specific erasing area is determined by two adjacent erasing thresholds; detecting and acquiring a touch area, comparing the touch area with two adjacent erasing thresholds, and determining a specific erasing area corresponding to the touch area; an erase operation is performed according to a specific erase area. The invention can dynamically determine the erasing area according to the touch area without switching and is convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method according to another embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
The embodiment of the invention provides an erasing operation method, which comprises the following steps:
setting a plurality of erasing thresholds according to the size of the erasing area, wherein a specific erasing area is determined by two adjacent erasing thresholds;
detecting and acquiring a touch area, comparing the touch area with the two adjacent erasing thresholds, and determining a specific erasing area corresponding to the touch area;
and executing the erasing operation according to the specific erasing area.
In the embodiment of the invention, a plurality of erasing thresholds corresponding to different erasing areas are set firstly, a specific erasing area is determined by two adjacent erasing thresholds, the erasing area is dynamically determined according to the size of the touch area, and according to the relation between the touch area and the two adjacent erasing thresholds, if the touch area is between the two adjacent erasing thresholds, the touch area corresponds to the erasing area corresponding to the two adjacent erasing thresholds, so that the erasing area can be dynamically determined and adjusted according to the touch area.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention. As shown in the figure, the erasing operation method provided in the embodiment of the present invention includes:
s10; detecting touch information input by a user;
the touch information includes signals of the position, time, width, height, pressure and the like of the touch points, and according to the detected touch information, the touch area, the number of the touch points, the position interval between the touch points, the time interval between the touch points and the staying time of the touch points can be obtained through processing.
S11: determining a touch area according to the touch information;
s12: judging whether the touch area is smaller than a minimum erasing threshold or larger than a maximum erasing threshold, if so, executing a step S17, otherwise, executing a step S13;
s13: judging whether the erasing area is larger than or equal to the minimum erasing threshold value and smaller than the first erasing threshold value, if so, executing the step S15, otherwise, executing the step S14;
s14: judging whether the erasing area is larger than or equal to the first erasing threshold value and smaller than or equal to the maximum erasing threshold value, if so, executing a step S16, otherwise, executing a step S17;
s15: performing a first area erase operation;
s16: performing a second area erase operation;
s17: no erase operation is performed.
In the embodiment shown in fig. 1, if the touch area is smaller than the minimum erase threshold, no erase operation is performed; if the touch area is between the minimum erasing threshold and the first erasing threshold, executing a first area erasing operation; if the touch area is between the first erasing threshold and the maximum erasing threshold, executing a second area erasing operation; and if the touch area is larger than the maximum erasing threshold value, not executing the erasing operation. Wherein the minimum erase threshold is less than the first erase threshold and less than the maximum erase threshold.
FIG. 2 is a schematic flow chart of a method according to another embodiment of the present invention. As shown in the figure, in the embodiment of the present invention, after the erasing operation is performed, the method further includes:
s20: determining the number of touch points and the position of each touch point according to the touch information;
s21: determining whether the position of at least one touch point is unchanged within the first time threshold, if yes, performing step S22;
s22: the execution of the erase operation is stopped.
In the embodiment of the invention, after the erasing operation of the corresponding erasing area is determined to be executed according to the erasing area, if the position of one touch point is unchanged within the first time threshold, the erasing operation is considered to be stopped.
FIG. 3 is a schematic flow chart of a method according to another embodiment of the present invention. As shown in the figure, in the embodiment of the present invention, after the erasing operation is performed, the method further includes:
s30: detecting the disappearance time of the touch information;
s31: determining whether the touch information disappearance time is greater than a second time threshold, if so, performing step S32;
s32: the execution of the erase operation is stopped.
In the embodiment of the invention, after the erasing operation of the corresponding erasing area is determined to be executed according to the erasing area, if the touch information is not detected because the touch screen is away, the disappearance time of the touch information is counted from the time point when the touch information is not detected, and if the disappearance time of the touch information exceeds the second time threshold, the erasing operation is considered to be finished.
An embodiment of the present invention provides an erasing operation device, including:
the detection module is used for detecting and acquiring a touch area;
the judging module is used for dynamically determining a corresponding erasing area according to the touch area;
and the execution module is used for executing the erasing operation according to the erasing area according to the judgment result of the judgment module.
Fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention. As shown in the drawings, an erasing operation device provided in an embodiment of the present invention includes:
the detection and processing module is used for detecting touch information and determining a touch area according to the touch information;
optionally, the touch information includes signals of position, time, width, height, pressure, and the like of the touch points, and according to the detected touch information, the touch area, the number of the touch points, the positions of the touch points, the time intervals of the touch points, and the dwell time of the touch points can be obtained through processing.
The judging module is used for dynamically determining a corresponding erasing area according to the touch area;
and the execution module is used for executing corresponding erasing operation according to the erasing area according to the judgment result of the judgment module.
Optionally, a plurality of erasing thresholds are set, the erasing areas with different areas are divided, and the corresponding erasing areas are determined according to the relationship between the touch area and each erasing threshold, so that the erasing areas are dynamically determined and adjusted according to the touch area.
In an embodiment, the method for determining the corresponding erase area dynamically by the determining module according to the touch area includes determining whether the touch area is smaller than a minimum erase threshold or larger than a maximum erase threshold, if so, not executing the erase operation, otherwise, determining whether the erase area is greater than or equal to the minimum erase threshold and smaller than a first erase threshold, if so, executing the first area erase operation by the executing module, otherwise, determining whether the erase area is greater than or equal to the first erase threshold and smaller than or equal to the maximum erase threshold, if so, executing the second area erase operation by the executing module, otherwise, not executing the erase operation.
In an embodiment of the present invention, the erasing operation device further includes:
the detection and processing module is used for detecting touch information and determining the number of touch points and the position of each touch point according to the touch information;
and the action judging module is used for judging whether the position of at least one touch point is not changed within the first time threshold value or not according to the number of the touch points and the positions of the touch points, and if so, stopping executing the erasing operation.
In an embodiment of the present invention, the erasing operation device further includes:
the detection and processing module is used for detecting the disappearance time of the touch information;
and the action judgment module is used for judging whether the touch information disappearance time is greater than a second time threshold value or not, and if so, stopping executing the erasing operation.
In the embodiment of the invention, in the erasing operation process, whether the erasing operation is finished or not is judged in real time according to the stop time of the erasing action and the time of leaving the touch screen.
In view of the above object, an embodiment of the present invention further provides an apparatus for performing the erase operation method. The device comprises:
one or more processors, and a memory.
The apparatus for performing the erase operation method may further include: an input device and an output device.
The processor, memory, input device, and output device may be connected by a bus or other means.
The memory, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the erasing operation method in the embodiments of the present invention. The processor executes various functional applications and data processing of the server by running the nonvolatile software programs, instructions and modules stored in the memory, that is, the erasing operation method of the above method embodiment is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of a device performing the erase operation method, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory optionally includes memory remotely located from the processor, and these remote memories may be connected to the member user behavior monitoring device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means may receive input numeric or character information and generate key signal inputs related to user settings and function control of the apparatus performing the erase operation method. The output device may include a display device such as a display screen.
The one or more modules are stored in the memory and, when executed by the one or more processors, perform the method of the erase operation in any of the method embodiments described above. The technical effect of the embodiment of the device for executing the erasing operation method is the same as or similar to that of any method embodiment.
The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the processing method of the list item operation in any method embodiment. Embodiments of the non-transitory computer storage medium may be the same or similar in technical effect to any of the method embodiments described above.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes in the methods of the above embodiments may be implemented by a computer program that can be stored in a computer-readable storage medium and that, when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. The technical effect of the embodiment of the computer program is the same as or similar to that of any of the method embodiments described above.
Furthermore, the apparatuses, devices, etc. described in the present disclosure may be various electronic terminal devices, such as a mobile phone, a Personal Digital Assistant (PDA), a tablet computer (PAD), a smart television, etc., and may also be large terminal devices, such as a server, etc., and therefore the scope of protection of the present disclosure should not be limited to a specific type of apparatus, device. The client disclosed by the present disclosure may be applied to any one of the above electronic terminal devices in the form of electronic hardware, computer software, or a combination of both.
Furthermore, the method according to the present disclosure may also be implemented as a computer program executed by a CPU, which may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method of the present disclosure.
Further, the above method steps and system elements may also be implemented using a controller and a computer readable storage medium for storing a computer program for causing the controller to implement the functions of the above steps or elements.
Further, it should be appreciated that the computer-readable storage media (e.g., memory) described herein can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of example, and not limitation, nonvolatile memory can include Read Only Memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which can act as external cache memory. By way of example and not limitation, RAM is available in a variety of forms such as synchronous RAM (DRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The storage devices of the disclosed aspects are intended to comprise, without being limited to, these and other suitable types of memory.
The apparatus of the foregoing embodiment is used to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which are not described herein again.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. An erase operation method, comprising:
setting a plurality of erasing thresholds according to the size of the erasing area, wherein a specific erasing area is determined by two adjacent erasing thresholds;
detecting and acquiring a touch area, comparing the touch area with the two adjacent erasing thresholds, and determining a specific erasing area corresponding to the touch area;
and executing the erasing operation according to the specific erasing area.
2. The method of claim 1, further comprising:
detecting and acquiring the number of touch points and the position of each touch point;
and judging whether the position of at least one touch point is not changed within a first time threshold value, and if so, stopping executing the erasing operation.
3. The method of claim 1, further comprising:
detecting and acquiring the disappearance time of the touch information;
and judging whether the touch information disappearance time is larger than a second time threshold, and if so, stopping executing the erasing operation.
4. The method of claim 1, wherein a minimum erase threshold, a first erase threshold, a maximum erase threshold are set, and wherein the minimum erase threshold is less than the first erase threshold and less than the maximum erase threshold; if the touch area is smaller than the minimum erasing threshold value, not executing erasing operation; if the touch area is between the minimum erasing threshold and the first erasing threshold, executing erasing operation according to the first specific erasing area; if the touch area is between the first erasing threshold and the maximum erasing threshold, executing erasing operation according to the second specific erasing area; and if the touch area is larger than the maximum erasing threshold value, not executing erasing operation.
5. An erase operation apparatus, comprising:
the detection module is used for detecting and acquiring a touch area;
the judging module is used for dynamically determining a corresponding erasing area according to the touch area;
and the execution module is used for executing the erasing operation according to the erasing area according to the judgment result of the judgment module.
6. The apparatus of claim 5, further comprising:
the detection and processing module is used for detecting touch information and determining the number of touch points and the position of each touch point according to the touch information;
and the action judging module is used for judging whether the position of at least one touch point is not changed within a first time threshold value or not according to the number of the touch points and the positions of the touch points, and if so, stopping executing the erasing operation.
7. The apparatus of claim 5, further comprising:
the detection and processing module is used for detecting the disappearance time of the touch information;
and the action judging module is used for judging whether the touch information disappearance time is greater than a second time threshold value or not, and if so, stopping executing the erasing operation.
8. The apparatus of claim 5,
setting a minimum erasure threshold, a first erasure threshold and a maximum erasure threshold, wherein the minimum erasure threshold < the first erasure threshold < the maximum erasure threshold; if the touch area is smaller than the minimum erasing threshold value, not executing erasing operation; if the touch area is between the minimum erasing threshold and the first erasing threshold, executing erasing operation according to the first specific erasing area; if the touch area is between the first erasing threshold and the maximum erasing threshold, executing erasing operation according to the second specific erasing area; and if the touch area is larger than the maximum erasing threshold value, not executing erasing operation.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 4 when executing the program.
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| CN201811323282.3A CN111158569A (en) | 2018-11-08 | 2018-11-08 | Erasing operation method and device and electronic equipment |
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| CN114237417A (en) * | 2021-11-16 | 2022-03-25 | 杭州迈杰教育科技有限公司 | Handwriting erasing method, system, device and medium for electronic whiteboard |
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