WO2020200255A1

WO2020200255A1 - Erase control processing method, apparatus, and device

Info

Publication number: WO2020200255A1
Application number: PCT/CN2020/082851
Authority: WO
Inventors: 张继雄
Original assignee: 广州视源电子科技股份有限公司; 广州视睿电子科技有限公司
Priority date: 2019-04-02
Filing date: 2020-04-01
Publication date: 2020-10-08
Also published as: CN110007838A; CN110007838B

Abstract

Disclosed are an erase control processing method, apparatus and device. The method comprises: detecting the movement path of an erase control moving from a first position to a second position; obtaining the offset angle of the erase control on the basis of the movement path, wherein the offset angle is the included angle between the erase control and the vertical direction; and displaying a bitmap of the erase control at the second position on the basis of the offset angle. The present application solves the technical problem that the bitmap display direction of the erase control is fixed and the erasing effect is poor in the prior art.

Description

Processing method, device and equipment for erasing control

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 201910262723.1, and the application name "Processing Method, Apparatus and Equipment for Erasing Controls" on April 02, 2019, the entire content of which is incorporated herein by reference Applying.

Technical field

This application relates to the field of intelligent interactive devices, and in particular to a processing method, device, and device for erasing controls.

Background technique

In the existing solution, the erasing control (for example, eraser) is used in the IWB whiteboard software to erase. The movement of the eraser is to move a bitmap bitmap, the bitmap is rectangular, and the direction of the eraser is generally fixed. Yes, for example, perpendicular to the horizontal direction, it will appear blunt when writing handwriting through the erase control, and the physical effect is poor.

Aiming at the problem that the bitmap display direction of the erasing control in the prior art is fixed and the erasing effect is poor, no effective solution has yet been proposed.

Summary of the invention

The embodiments of the present application at least partially provide a processing method, device, and equipment for erasing controls, so as to at least solve the technical problems in the prior art that the bitmap display direction of the erasing control is fixed and the erasing effect is poor.

According to an aspect of one of the embodiments of the present application, there is provided a method for processing an erasing control, including: detecting a movement track of the erasing control moving from a first position to a second position; and obtaining the erasing control based on the movement track The offset angle, where the offset angle is the angle between the erase control and the vertical direction; based on the offset angle, the bitmap of the erase control is displayed in the second position.

Optionally, obtaining the offset angle of the erase control based on the movement trajectory includes: obtaining the movement angle of the movement trajectory based on the movement trajectory, where the movement angle is the angle between the movement trajectory and the horizontal direction; and obtaining the offset based on the movement angle Shift angle.

Optionally, obtaining the movement angle of the movement trajectory based on the movement trajectory includes: obtaining a target pixel in the movement trajectory that meets a preset condition; and obtaining the movement angle based on the coordinate value of the target pixel.

Optionally, obtaining target pixels in the movement trajectory that meet preset conditions includes: obtaining the time when each pixel in the movement trajectory is detected; based on the time of each pixel, obtaining the two pixels corresponding to the latest time , Get the target pixel.

Optionally, obtaining the movement angle based on the coordinate value of the target pixel includes: determining a straight line based on the coordinate values of the two pixel points; obtaining the slope of the straight line to obtain the movement angle.

Optionally, before displaying the bitmap of the erasure control in the second position based on the offset angle, the above method further includes: comparing the offset angle with a preset threshold; when the offset angle is less than or equal to the preset threshold In this case, based on the offset angle, the bitmap of the erase control is displayed in the second position.

Optionally, based on the offset angle, displaying the bitmap of the erasing control in the second position includes: controlling the rotation of the erasing control based on the offset angle of the erasing control; displaying the rotation of the erasing control in the second position bitmap.

According to another aspect of one of the embodiments of the present application, there is also provided an erasing control processing method, including: displaying a bitmap of the erasing control at a first position; after detecting the movement track of the erasing control, based on The offset angle of the erase control, the bitmap of the erase control is displayed in the second position, where the movement track moves from the first position to the second position, the offset angle is obtained based on the movement track, and the offset angle is the erase The angle between the control and the vertical.

According to another aspect of one of the embodiments of the present application, there is also provided a processing device for erasing controls, including: a detection module configured to detect the movement track of the erasing control moving from a first position to a second position; processing module , Is set to obtain the offset angle of the erase control based on the movement track, where the offset angle is the angle between the erase control and the vertical direction; the display module is set to display the erase control in the second position based on the offset angle Bitmap.

According to another aspect of one of the embodiments of the present application, there is also provided a processing device for erasing controls, including: a first display module configured to display a bitmap of the erasing control at a first position; and a second display module, Set to display the bitmap of the erase control in the second position based on the offset angle of the erase control after detecting the movement track of the erase control, where the movement track moves from the first position to the second position, and the offset The angle is obtained based on the movement track, and the offset angle is the angle between the erase control and the vertical direction.

According to another aspect of one of the embodiments of the present application, there is also provided an erase control processing device, including: a detection device configured to detect the movement track of the erase control moving from a first position to a second position; and a processor; , Connected to the detection device, set to obtain the offset angle of the erase control based on the movement track, and based on the offset angle, control the bitmap of the erase control to be displayed in the second position, where the offset angle is the erase control and The angle in the vertical direction.

According to another aspect of one of the embodiments of the present application, there is also provided a processing device for erasing controls, including: a display configured to display a bitmap of the erasing control at a first position; and a detection device configured to detect erasing The movement trajectory of the control, where the movement trajectory moves from the first position to the second position; the processor, connected to the detection device and the display, is set to be based on the offset angle of the wipe control after detecting the movement trajectory of the wipe control , Controlling the display to display the bitmap of the erasing control in the second position, where the offset angle is obtained based on the movement track, and the offset angle is the angle between the erasing control and the vertical direction.

According to another aspect of one of the embodiments of the present application, a storage medium is further provided. The storage medium includes a stored program, wherein the device where the storage medium is located is controlled to execute the above-mentioned erasing control processing method when the program is running.

According to another aspect of one of the embodiments of the present application, a processor is also provided, the processor is configured to run a program, wherein the above-mentioned erasing control processing method is executed when the program is running.

In at least some of the embodiments of the present application, after detecting the movement track of the wipe control moving from the first position to the second position, the offset angle of the wipe control can be obtained based on the movement track, and further based on the offset angle in the second position. The position displays the bitmap of the erase control, so that the direction of the erase control can be controlled according to the movement track of the erase control. Compared with the prior art, the direction of the erasing control is no longer a fixed direction, and dynamic calculation is performed at the same time of different touches, so that the direction of the erasing control is always perpendicular to the movement direction of the movement track, achieving a more realistic physical effect. Enhance the user experience, increase the interesting technical effect of the software, and solve the technical problem that the bitmap display direction of the erasing control is fixed and the erasing effect is poor in the prior art.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation of the application. In the attached picture:

Fig. 1 is a flowchart of a processing method for erasing controls according to one of the embodiments of the present application;

FIG. 2 is a schematic diagram of optionally determining a movement angle and an offset angle according to a target pixel according to one of the embodiments of the present application;

3 is a flowchart of an optional processing method for erasing controls according to one of the embodiments of the present application;

FIG. 4 is a flowchart of another processing method for erasing controls according to one of the embodiments of the present application;

FIG. 5 is a schematic structural diagram of a processing device for erasing controls according to one of the embodiments of the present application;

6 is a schematic structural diagram of another device for processing erasing controls according to one of the embodiments of the present application;

FIG. 7 is a schematic structural diagram of a processing device for erasing controls according to one of the embodiments of the present application; and

Fig. 8 is a schematic structural diagram of another processing device for erasing controls according to one of the embodiments of the present application.

detailed description

In order to enable those skilled in the art to better understand the solution of the application, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the protection scope of this application.

It should be noted that the terms "first" and "second" in the description and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to the clearly listed Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

Example 1

According to one of the embodiments of the present application, an embodiment of a processing method for erasing controls is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be implemented in a computer system such as a set of computer-executable instructions Execution, and although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than here.

The method for processing the book erasing control provided in this embodiment can be executed by the processing device of the erasing control. The processing device of the erasing control can be realized by software and/or hardware. The processing device of the erasing control can be two One or more physical entities can also be composed of one physical entity. The processing device of the erasing control can be a computer, a mobile phone, a tablet, a projector or a smart interactive tablet, etc. In the embodiment, a description is made by taking a smart interactive tablet as a processing device for erasing controls as an example, where the smart interactive tablet may be an integration of controlling the content displayed on the display tablet through touch technology and realizing human-computer interaction operations. Chemical equipment, which integrates one or more functions such as a projector, an electronic whiteboard, a screen, a stereo, a TV, and a video conference terminal.

In an embodiment, the smart interactive tablet establishes a data connection with at least one external device. Among them, external devices include but are not limited to: mobile phones, notebook computers, USB flash drives, tablet computers, desktop computers, etc. The communication method of the data connection between the external device and the smart interactive tablet is not limited in the embodiment, and it may be a communication method such as USB connection, Internet, LAN, Bluetooth, Wi-Fi, or ZigBee protocol.

Further, when the smart interactive tablet interacts with at least one external device, it sends projection data to the smart interactive tablet so that the external device that displays the projection content of the projection data on the smart interactive tablet serves as the projection client. In other words, there may be one or more screen projection clients, which are set according to specific application scenarios, and the embodiment is not limited.

Optionally, a projection application software is installed in the projection client and/or smart interactive tablet, and the projection application software can be pre-installed in the projection client and/or smart interactive tablet, or it can be in the projection When the client and/or smart interactive tablet launches the projection application, it is downloaded from a third-party device or server and installed and used. Among them, the third-party device is not limited in the embodiment. Specifically, the projection application software is used to obtain the content displayed by the projection client, use it as the projection data, and instruct the smart interactive tablet to display the content. In the embodiment, the screen projection client and the smart interactive tablet are simultaneously installed with the screen projection application software as an example for description. Among them, the projection application software of the projection client is used to obtain the projection data and send the projection data directly or indirectly to the smart interactive tablet. If it is sent indirectly, the screen projection client can be sent to the smart interactive tablet through a relay device. The relay device can be a wireless screen transmission device or other equipment with data transfer/processing functions. The projection application software of the smart interactive tablet is used to receive the projection data and convert the projection data into corresponding content to facilitate the display of the smart interactive tablet. It should be noted that the resolution of the display screen of the projection client is different from that of the smart interactive tablet, and the projection data is obtained based on the resolution of the projection client. Therefore, in order to display on the display of the smart interactive tablet For the projection data, the projection application software needs to determine the screen mapping relationship according to the resolution of the display screen of the projection client and the display screen of the smart interactive tablet, and then convert the projection data according to the screen mapping relationship to obtain the projection content. It should be noted that, in the embodiment, the display content of the projected screen content and the projected screen data is substantially the same, except that the resolution is different.

Further, the screen projection data is in a picture format, which may be screenshot data obtained by taking a screenshot of the display content of the screen projection client, or a presentation (Microsoft Office PowerPoint, PPT).

In the embodiment, the screen projection client is a laptop computer, the screen projection data is a PPT in the projection state, and the interaction between the laptop computer and the smart interactive tablet is used as an example to describe the present application.

Fig. 1 is a flowchart of a processing method for erasing controls according to one of the embodiments of the present application. As shown in Fig. 1, the method includes the following steps:

Step S102, detecting the movement track of the wipe control moving from the first position to the second position.

Specifically, the above-mentioned erasing control may be a control for erasing the handwriting displayed on the touch screen. For example, in this embodiment, the above-mentioned erasing control may be an eraser control.

In an optional solution, when the user needs to erase the handwriting displayed on the touch screen, the user's palm can move on the touch screen to generate corresponding touch data, and the palm moves from one position to another. Then the eraser will also move from one position (that is, the above-mentioned first position) to another position (that is, the above-mentioned second position). The position here can be the coordinate point where the palm generates touch data, which can be used as the center of the eraser. Therefore, it is possible to determine the movement trajectory of the user's palm, that is, the movement trajectory of the eraser. During the movement of the palm, the detection of the movement trajectory of the eraser can be realized by detecting the touch data generated by the palm.

Step S104: Obtain the offset angle of the erase control based on the movement track, where the offset angle is the angle between the erase control and the vertical direction.

Specifically, the direction of the eraser can be determined by the angle between the vertical normal of the eraser and the vertical direction. If the angle between the vertical normal of the eraser and the vertical direction is 0°, it can be determined that the direction of the eraser is perpendicular to the horizontal. Direction: The angle between the vertical normal of the eraser and the vertical direction is 90°, you can determine that the direction of the eraser is horizontal.

In an optional solution, in order to obtain a more realistic physical effect, during the movement of the palm, the direction of the eraser can be adjusted in real time according to the movement track of the user's palm, so that the direction of the eraser is perpendicular to the movement of the eraser Track.

Optionally, the offset angle of the eraser can be determined according to the movement direction of the movement trajectory generated during the movement of the user's palm, so as to determine the direction of the eraser, which specifically includes steps S1042 to S1044:

Step S1042: Obtain the movement angle of the movement track based on the movement track, where the movement angle is the angle between the movement track and the horizontal direction.

In an optional solution, during the movement of the user's palm, multiple touch data will be generated. By statistically processing the multiple touch data, the movement angle of the movement track can be determined, thereby determining the movement direction of the movement track. Specifically, it can be implemented through the following steps S110 to S112:

Step S110: Obtain target pixels in the movement track that meet a preset condition.

Optionally, during the touch erasing process of the smart interactive tablet, the whiteboard software system will periodically return the touch event Event to the application program. In order to accurately determine the movement direction of the movement track, the following steps S1102 to S1104 , Get the target pixel:

Step S1102: Obtain the time when each pixel in the movement track is detected.

Step S1104, based on the time of each pixel, obtain the two pixels corresponding to the latest time to obtain the target pixel.

In an optional solution, in the acquisition of a series of Events, the last two touch points E1 and E2 can be selected as target pixels, and an X and Y coordinate system can be established, where the Y-axis coordinate is downward, such as As shown in Figure 2, the coordinate values of E1 are (X1, Y1), and the coordinate values of E2 are (X2, Y2).

Step S112: Obtain the motion angle based on the coordinate value of the target pixel.

Optionally, geometric principles can be used to calculate the movement angle of the movement trajectory of the user's palm. The specific steps include step S1122 to step S1124:

Step S1122: Determine a straight line based on the coordinate values of the two pixels.

Step S1124: Obtain the slope of the straight line to obtain the movement angle.

In an optional solution, as shown in Figure 2, after obtaining the coordinate values of E1 (X1, Y1) and the coordinate values of E2 (X2, Y2), the line segment E1E2 can be determined based on the two coordinate values. , That is, determine the line where the two pixel points E1 and E2 are located, and further calculate the slope of the line to obtain the angle ∠A between the line segment E1E2 and the X axis, that is, the above-mentioned motion angle.

Step S1044, based on the movement angle, obtain the offset angle.

In an optional scheme, as shown in Figure 2, the direction of the eraser should be perpendicular to the line segment E1E2. Using the principle of calculation, it can be determined that the offset angle of the eraser ∠B (the angle between the dotted line in Figure 2) should be equal to ∠ A.

Step S106, comparing the offset angle with a preset threshold.

Specifically, the aforementioned preset threshold may be a predefined threshold K to prevent the eraser jitter caused by irregularities and large fluctuations of touch data.

Step S108, in the case that the offset angle is less than or equal to the preset threshold, based on the offset angle, display the bitmap of the erase control at the second position.

In an optional solution, after the offset angle of the eraser ∠B is calculated, the predefined threshold K can be used to determine whether the offset angle needs to be filtered. If the offset angle deviation is large, it can be determined that the offset angle needs to be filtered. Filter by the offset angle, without changing the direction of the eraser, and continue to detect the movement track.

Optionally, the drawing process of the eraser specifically includes step S1082 to step S1084:

Step S1082, based on the offset angle of the erase control, control the rotation of the erase control.

Step S1084, displaying the rotated bitmap of the erase control at the second position.

In an optional solution, after calculating the offset angle of the eraser ∠B, the offset angle can be appropriately filtered by a predefined threshold K to reduce the eraser jitter. The filtered offset angle can be directly applied to the display of the eraser. Through the drawing API (Application Programming Interface) of Canvas of the system, the eraser can be drawn after rotating the angle ∠B, so that the final effect of the eraser can be drawn.

In the foregoing embodiment of the present application, after detecting the movement track of the wipe control from the first position to the second position, the offset angle of the wipe control can be obtained based on the movement track, and further based on the offset angle at the second position The bitmap of the wipe control is displayed, so that the direction of the wipe control can be controlled according to the movement track of the wipe control. Compared with the prior art, the direction of the erasing control is no longer a fixed direction, and dynamic calculation is performed at the same time of different touches, so that the direction of the erasing control is always perpendicular to the movement direction of the movement track, achieving a more realistic physical effect. Enhance the user experience, increase the interesting technical effect of the software, and solve the technical problem that the bitmap display direction of the erasing control is fixed and the erasing effect is poor in the prior art.

For example, taking an eraser as an example to illustrate a preferred embodiment of the present application, FIG. 3 is a flowchart of an optional erasing control processing method according to one of the embodiments of the present application, as shown in FIG. 3:

Step S31, acquiring touch point data.

Optionally, call up the eraser function in the whiteboard software of the smart interactive tablet and perform touch erasing. At this time, the system will periodically return the touch event to the application.

Step S32: Calculate the movement angle according to the touch point data.

Optionally, in the acquired series of Events, the last two touch points E1 and E2 can be taken out, and an X and Y coordinate system (Y-axis coordinate downward) can be established. Through E1(X1,Y1) and E2(X2,Y2), the angle ∠A between the line segment E1E2 and the X axis can be calculated.

Step S33: Calculate the offset angle of the eraser.

Optionally, the direction of the eraser should be perpendicular to the line segment E1E2. According to geometry, the offset angle of the eraser at this time ∠B should be equal to ∠A.

Step S34, it is judged whether to filter the angle data.

Optionally, after calculating the offset angle of the eraser ∠B, a series of eraser offset angles can be obtained by continuously repeating the above steps. In order to prevent the eraser jitter caused by irregular and large fluctuations in the touch data, the angle data can be properly filtered to reduce the eraser jitter. If it is determined that the angle data needs to be filtered, then go to step S36; if it is determined that the angle data need not be filtered, then go to step S35.

Step S35, drawing an eraser according to the offset angle.

Optionally, through the Canvas drawing API of the system, we can first rotate the eraser by angle ∠B before drawing, and then we can get the final effect of the eraser.

Step S36, it is judged whether the touch is over.

Optionally, if it is determined that the touch has not ended, return to step S31, and perform dynamic calculations while continuously touching, so that the final eraser direction is always perpendicular to the handwriting movement direction, realizing realistic physical effects. If it is determined that the touch has ended, the processing flow is ended.

With the solutions provided by the above-mentioned embodiments of the present application, the user's touch trajectory data can be collected, the real movement direction of the current trajectory can be calculated according to the latest point data, and the direction of the eraser can be calculated according to the movement direction and drawn and displayed. Through this scheme, the eraser can obtain more realistic physical effects, enhance user experience, and increase interest.

Example 2

According to one of the embodiments of the present application, an embodiment of a processing method for erasing controls is also provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be implemented in a computer system such as a set of computer-executable instructions. Although the logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than here.

The method for processing the book erasing control provided in this embodiment can be executed by the processing device of the erasing control. The processing device of the erasing control can be realized by software and/or hardware. The processing device of the erasing control can be two One or more physical entities can also be composed of one physical entity. The processing device of the erasing control can be a computer, a mobile phone, a tablet, a projector or a smart interactive tablet, etc. In the embodiment, description is made by taking a processing device in which a smart interactive tablet is an erasing control as an example. In the embodiment, the screen projection client is a laptop computer, the screen projection data is a PPT in the projection state, and the interaction between the laptop computer and the smart interactive tablet is used as an example to describe the present application.

Fig. 4 is a flowchart of another method for processing a wipe control according to one of the embodiments of the present application. As shown in Fig. 4, the method includes the following steps:

In step S402, the bitmap of the erase control is displayed in the first position.

Step S404: After detecting the movement track of the wipe control, based on the offset angle of the wipe control, display the bitmap of the wipe control at the second position, where the movement track moves from the first position to the second position. The shift angle is obtained based on the moving track, and the shift angle is the angle between the erase control and the vertical direction.

In the above embodiment of the present application, the bitmap of the erase control is displayed at the first position. After detecting the movement track of the erase control from the first position to the second position, the offset of the erase control can be obtained based on the movement track. The shift angle further displays the bitmap of the erase control in the second position based on the offset angle, so that the direction of the erase control can be controlled according to the movement track of the erase control. Compared with the prior art, the direction of the erasing control is no longer a fixed direction, and dynamic calculation is performed at the same time of different touches, so that the direction of the erasing control is always perpendicular to the movement direction of the movement track, achieving a more realistic physical effect. Enhance the user experience, increase the interesting technical effect of the software, and solve the technical problem that the bitmap display direction of the erasing control is fixed and the erasing effect is poor in the prior art.

Example 3

According to one of the embodiments of the present application, an embodiment of a processing device for erasing a control is also provided. The processing device of the erasing control provided in this embodiment can be integrated in the processing equipment of the erasing control. The processing equipment of the erasing control can be composed of two or more physical entities, or can be composed of one physical entity. The processing device other than the control can be a computer, a mobile phone, a tablet, a projector or a smart interactive tablet, etc. In the embodiment, description is made by taking a processing device in which a smart interactive tablet is an erasing control as an example.

FIG. 5 is a schematic structural diagram of a processing device for erasing controls according to one of the embodiments of the present application. As shown in FIG. 5, the device includes a detection module 52, a processing module 54 and a display module 56.

Wherein, the detection module 54 is set to detect the movement track of the erase control from the first position to the second position; the processing module 54 is set to obtain the offset angle of the erase control based on the movement track, where the offset angle is the erase control The angle between the control and the vertical direction; the display module 56 is set to obtain the movement angle of the movement track based on the movement track, where the movement angle is the angle between the movement track and the horizontal direction.

On the basis of the foregoing embodiment, the processing module includes: a first processing sub-module configured to obtain a movement angle of the movement trajectory based on the movement trajectory, where the movement angle is the angle between the movement trajectory and the horizontal direction; and the second processing sub-module , Set to get the offset angle based on the movement angle.

On the basis of the foregoing embodiment, the first processing sub-module includes: an acquisition unit configured to acquire target pixels meeting preset conditions in the movement track; and a processing unit configured to acquire a movement angle based on the coordinate values of the target pixel points.

On the basis of the foregoing embodiment, the acquisition unit includes: a first acquisition subunit, configured to acquire the time when each pixel in the movement track is detected; a second acquisition subunit, configured to acquire the time based on each pixel Obtain the target pixel for the two pixels corresponding to the latest time.

On the basis of the foregoing embodiment, the processing unit includes: a determining sub-unit configured to determine a straight line based on the coordinate values of two pixels; and a processing sub-unit configured to obtain the slope of the straight line to obtain the motion angle.

On the basis of the foregoing embodiment, the device further includes: a comparison module configured to compare the offset angle with a preset threshold; the display module is further configured to perform a comparison based on the offset angle when the offset angle is less than or equal to the preset threshold. Move the angle to display the bitmap of the erase control in the second position.

On the basis of the foregoing embodiment, the display module includes: a control sub-module configured to control the rotation of the erase control based on the offset angle of the erase control; a display sub-module configured to display the rotated erase control in the second position Bitmap.

The processing device for erasing controls provided above can be configured to execute the processing method for erasing controls provided in the above embodiment 1, and has corresponding functions and beneficial effects.

Example 4

FIG. 6 is a schematic structural diagram of another device for processing an erasing control according to one of the embodiments of the present application. As shown in FIG. 6, the device includes a first display module 62 and a second display module 64.

Wherein, the first display module 62 is set to display the bitmap of the erase control at the first position; the second display module 64 is set to display the erase control's bitmap at the first position based on the offset angle of the erase control after detecting the movement track of the erase control. The second position displays the bitmap of the erase control, where the movement track moves from the first position to the second position, the offset angle is obtained based on the movement track, and the offset angle is the angle between the erase control and the vertical direction.

The processing device for erasing controls provided above can be used to execute the processing method for erasing controls provided in the above-mentioned embodiment 2, and has corresponding functions and beneficial effects.

Example 5

According to one of the embodiments of the present application, an embodiment of a processing device for erasing a control is provided.

FIG. 7 is a schematic structural diagram of a processing device for erasing controls according to one of the embodiments of the present application. As shown in FIG. 7, the device includes: a detection device 10 and a processor 20. The number of processors 20 in the processing device of the erasing control may be one or more. One processor 20 is taken as an example in FIG. 7. The detection device 10 and the processor 20 of the processing device of the erasing control can be connected by a bus or in other ways. In FIG. 7, the connection by a bus is taken as an example. In the embodiment, the processing device for erasing the control may be a computer, a mobile phone, a tablet, a projector or a smart interactive tablet, etc. In the embodiment, the processing device of the wipe control is an intelligent interactive tablet as an example for description.

The detection device 10 may be a detection device 10 that implements a touch function in a smart interactive tablet, which may be a capacitive sensor, an electromagnetic sensor or an infrared touch frame. The detection device 10 is configured to detect touch operations on the display screen of the smart interactive tablet and respond The signal is sent to the processor 20 or other devices. Optionally, when the detection device 10 is an infrared touch frame, the infrared touch frame is arranged around the display screen of the smart interactive tablet, and it can also be set to receive an infrared signal and send the infrared signal to the processor 20 or other equipment.

The processor 20 executes various functional applications and data processing of the device by running software programs, instructions, and modules stored in the memory, that is, realizes the above-mentioned erasing control processing method. The memory in the processing device of the erasing control can be one or more. As a computer-readable storage medium, the memory can be configured to store software programs, computer-executable programs, and modules, as described in any of the embodiments of this application. Program instructions/modules corresponding to the processing method of the erase control (for example, the detection module 52, the processing module 54 and the display module 56 in the processing device of the erase control). The memory may mainly include a program storage area and a data storage area. The program storage area may store an operating system and an application program required for at least one function; the data storage area may store data created according to the use of the device. In addition, the memory may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices. In some examples, the memory may further include a memory remotely provided with respect to the processor 20, and these remote memories may be connected to the device through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

Specifically, in the embodiment, the detection device 10 is configured to detect the movement track of the wipe control moving from the first position to the second position; when the processor 20 executes one or more programs stored in the memory, the following operations are specifically implemented: Move the trajectory to get the offset angle of the erase control, where the offset angle is the angle between the erase control and the vertical direction; based on the movement trajectory, get the movement angle of the movement trajectory, where the movement angle is the difference between the movement trajectory and the horizontal direction Included angle.

On the basis of the foregoing embodiment, in order to obtain the offset angle of the erase control, one or more processors 20 specifically implement the following operations: based on the movement trajectory, obtain the movement angle of the movement trajectory, where the movement angle is the movement trajectory and The included angle in the horizontal direction; based on the movement angle, the offset angle is obtained.

On the basis of the foregoing embodiment, in order to obtain the movement angle of the movement trajectory, one or more processors 20 specifically implement the following operations: obtain a target pixel in the movement trajectory that meets a preset condition; based on the coordinate value of the target pixel, Get the movement angle.

On the basis of the foregoing embodiment, in order to obtain the target pixel, one or more processors 20 specifically implement the following operations: obtain the time when each pixel in the movement track is detected; and obtain the time based on the time of each pixel. Obtain the target pixel for the two pixels corresponding to the latest time.

On the basis of the foregoing embodiment, in order to obtain the movement angle, one or more processors 20 specifically implement the following operations: determine a straight line based on the coordinate values of two pixels; obtain the slope of the straight line to obtain the movement angle.

On the basis of the foregoing embodiment, in order to display the bitmap of the erase control at the second position, one or more processors 20 specifically implement the following operations: compare the offset angle with a preset threshold; when the offset angle is less than Or when it is equal to the preset threshold, based on the offset angle, the bitmap of the erase control is displayed in the second position.

On the basis of the foregoing embodiment, in order to display the bitmap of the erase control at the second position, one or more processors 20 specifically implement the following operations: control the rotation of the erase control based on the offset angle of the erase control; The second position displays the bitmap of the rotated erase control.

The processing device for erasing controls provided above can be used to execute the processing method for erasing controls provided in the above embodiment 1, and has corresponding functions and beneficial effects.

Example 6

According to one of the embodiments of the present application, an embodiment of a processing device for erasing controls is also provided.

FIG. 8 is a schematic structural diagram of another processing device for erasing controls according to one of the embodiments of the present application. As shown in FIG. 8, the device includes: a display 30, a detection device 10, and a processor 20. The display 30, the detection device 10, and the processor 20 of the processing device of the erasing control may be connected by a bus or in other ways. The connection by a bus is taken as an example in FIG. 8.

The display 30 is a display 30 with a touch function, which may be a capacitive screen, an electromagnetic screen or an infrared screen. Generally speaking, the display 30 is configured to display data according to instructions from the processor 20, and is also configured to receive touch operations on the display 30 and send corresponding signals to the processor 20 or other devices. Optionally, when the display 30 is an infrared screen, it further includes an infrared touch frame, which is arranged around the display 30, and it can also be set to receive infrared signals and send the infrared signals to the processor 20 or other devices.

Specifically, in the embodiment, the display 30 is set to display the bitmap of the erase control at the first position; the measuring device 10 is set to detect the movement track of the erase control from the first position to the second position; the processor 20 executes the memory When one or more programs are stored in the program, the following operations are specifically implemented: after detecting the movement track of the erasing control, based on the offset angle of the erasing control, control the display to display the bitmap of the erasing control in the second position, where , The offset angle is obtained based on the movement track, and the offset angle is the angle between the erase control and the vertical direction.

The processing device for erasing controls provided above can be used to execute the processing method for erasing controls provided in the foregoing embodiment 2, and has corresponding functions and beneficial effects.

Example 7

According to one of the embodiments of the present application, an embodiment of a storage medium is also provided. The storage medium includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute the process of erasing control provided in any of the above embodiments. method.

Example 8

According to one of the embodiments of the present application, there is also provided an embodiment of a processor, the processor is set to run a program, wherein the program executes the erasing control processing method provided in any of the foregoing embodiments when the program is running.

The serial numbers of the foregoing embodiments of the present application are for description only, and do not represent the superiority of the embodiments.

In the above-mentioned embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in an embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are merely illustrative. For example, the division of the units may be a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of units or modules, and may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, the functional units in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program code .

The above are only the preferred embodiments of this application. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of this application, several improvements and modifications can be made, and these improvements and modifications are also Should be regarded as the scope of protection of this application.

Industrial applicability

As described above, the processing method, device and device for erasing controls provided by at least some of the embodiments of the present application have the following beneficial effects: the direction of erasing controls is no longer a fixed direction, and dynamic calculation is performed at the same time of different touches, so that the erasing The direction of the control is always perpendicular to the movement direction of the movement track, achieving a more realistic physical effect, improving user experience, and increasing the technical effect of software interest, thereby solving the problem of fixing the bitmap display direction of the erase control in the prior art , The technical problem of poor erasing effect.

Claims

A processing method for erasing controls includes:

Detecting the movement track of the erase control moving from the first position to the second position;

Obtain the offset angle of the erase control based on the movement track, where the offset angle is the angle between the erase control and the vertical direction;

Based on the offset angle, the bitmap of the erase control is displayed at the second position.
The method according to claim 1, wherein obtaining the offset angle of the erase control based on the movement track comprises:

Based on the movement trajectory, the movement angle of the movement trajectory is obtained, where the movement angle is the angle between the movement trajectory and the horizontal direction;

Based on the movement angle, the offset angle is obtained.
The method according to claim 2, wherein, based on the movement trajectory, obtaining the movement angle of the movement trajectory comprises:

Acquiring target pixels in the movement track that meet a preset condition;

Based on the coordinate value of the target pixel point, the motion angle is obtained.
The method according to claim 3, wherein obtaining the target pixel points in the movement track that meet a preset condition comprises:

Acquiring the time when each pixel in the movement track is detected;

Based on the time of each pixel, two pixels corresponding to the latest time are obtained to obtain the target pixel.
The method according to claim 4, wherein obtaining the motion angle based on the coordinate value of the target pixel point comprises:

Determining a straight line based on the coordinate values of the two pixel points;

Obtain the slope of the straight line to obtain the motion angle.
The method according to claim 1, wherein, before displaying the bitmap of the erasing control in the second position based on the offset angle, the method further comprises:

Comparing the offset angle with a preset threshold;

In a case where the offset angle is less than or equal to the preset threshold, based on the offset angle, display the bitmap of the erase control at the second position.
The method of claim 1, wherein, based on the offset angle, displaying the bitmap of the erase control at the second position comprises:

Controlling the rotation of the erasing control based on the offset angle of the erasing control;

The bitmap of the wipe control after rotation is displayed in the second position.
A processing method for erasing controls includes:

Display the bitmap of the erase control in the first position;

After detecting the movement track of the wipe control, based on the offset angle of the wipe control, display the bitmap of the wipe control in a second position, wherein the movement track is from the first position When moving to the second position, the offset angle is obtained based on the movement track, and the offset angle is the angle between the erase control and the vertical direction.
A processing device for erasing controls includes:

The detection module is configured to detect the movement track of the erase control moving from the first position to the second position;

A processing module, configured to obtain an offset angle of the erase control based on the movement track, wherein the offset angle is an angle between the erase control and a vertical direction;

The display module is configured to display the bitmap of the erasing control in the second position based on the offset angle.
A processing device for erasing controls includes:

The first display module is set to display the bitmap of the erase control in the first position;

The second display module is configured to display the bitmap of the erasing control in a second position based on the offset angle of the erasing control after detecting the movement track of the erasing control, wherein the movement The trajectory moves from the first position to the second position, the offset angle is obtained based on the movement trajectory, and the offset angle is the angle between the erase control and the vertical direction.
A processing device for erasing controls, including:

A detection device, configured to detect the movement track of the erase control moving from the first position to the second position;

The processor, connected to the detection device, is configured to obtain the offset angle of the erase control based on the movement track, and control the bitmap of the erase control to be at the second position based on the offset angle Display, wherein the offset angle is the angle between the erasing control and the vertical direction.
A processing device for erasing controls, including:

The display is set to display the bitmap of the erase control in the first position;

A detection device configured to detect the movement track of the erasing control, wherein the movement track moves from the first position to the second position;

The processor is connected to the detection device and the display, and is configured to control the display to display the display at the second position based on the offset angle of the wipe control after detecting the movement track of the wipe control In the bitmap of the erasing control, the offset angle is obtained based on the movement track, and the offset angle is the angle between the erasing control and the vertical direction.
A storage medium, the storage medium includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute the erase control processing method according to any one of claims 1 to 8.
A processor configured to run a program, wherein the method for processing an erasure control according to any one of claims 1 to 8 is executed when the program is running.