CN114238877A - Watermark generation method and device for cloud desktop and electronic equipment - Google Patents
Watermark generation method and device for cloud desktop and electronic equipment Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/16—Program or content traceability, e.g. by watermarking
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The embodiment of the application provides a watermark generation method and device for a cloud desktop and electronic equipment, wherein the method comprises the following steps: logging in a cloud desktop, and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information; displaying a transparent window on the cloud desktop according to the watermark window information; and displaying the watermark content information in the transparent window. According to the provided watermark generation scheme of the cloud desktop, the watermark information is obtained from the cloud desktop server and displayed in the transparent window, client software does not need to be installed in the terminal and the virtual machine, and the watermark information and the virtualized desktop image do not need to be fused and overlapped, so that the safety and the reliability are improved, and the system resource consumption is reduced.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for generating a watermark on a cloud desktop and an electronic device.
Background
With the continuous development of the virtual technology, a user can use the virtualized cloud desktop to perform data processing operations related to work, so that data interaction is performed between the cloud desktop and the server. Due to the continuous popularization of the cloud desktop technology, a user can conveniently read data at any time and any place, and the important data have leakage risks. The existing virtual technology can adopt watermark processing to prevent data leakage, the existing watermark technology can be divided into two watermark schemes, the first watermark scheme is to install software for displaying watermarks in a virtual machine, although the method can be adapted to a larger system, the problems that the system is easy to crash, the occupied system resources are too large, and the safety and reliability are not high exist, the second watermark scheme is to add watermarks in a display protocol, and the watermark image and the desktop image are overlapped together, so that the problems that the occupied system resources are large exist no matter whether the watermarks are overlapped at a server or a client.
Disclosure of Invention
In order to solve the technical problem, embodiments of the present invention provide a method and an apparatus for generating a watermark on a cloud desktop, and an electronic device.
In a first aspect, an embodiment of the present invention provides a method for generating a watermark of a cloud desktop, including:
logging in a cloud desktop, and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information;
displaying a transparent window on the cloud desktop according to the watermark window information;
and displaying the watermark content information in the transparent window.
In a second aspect, an embodiment of the present invention provides a watermark generating apparatus for a cloud desktop, including:
the acquisition module is used for logging in a cloud desktop and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information;
the first display module is used for displaying a transparent window on the cloud desktop according to the watermark window information;
and the second display module is used for displaying the watermark content information in the transparent window.
In a third aspect, an embodiment of the present invention provides an electronic apparatus, which includes a memory and a processor, where the memory is used to store a computer program, and the computer program executes the watermark generation method for a cloud desktop provided in the first aspect when the processor runs.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which stores a computer program, and when the computer program runs on a processor, the computer program performs the watermark generation method for a cloud desktop provided in the first aspect.
The method, the device and the electronic equipment for generating the watermark of the cloud desktop log in the cloud desktop, and obtain watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information; displaying a transparent window on the cloud desktop according to the watermark window information; and displaying the watermark content information in the transparent window. Therefore, the watermark information is obtained from the cloud desktop server and displayed in the transparent window, client software does not need to be installed in the terminal and the virtual machine, and the watermark information and the virtualized desktop image do not need to be fused and overlapped, so that the safety and the reliability are improved, and the system resource consumption is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 shows a flow diagram of a watermark generation method for a cloud desktop according to an embodiment of the present application;
fig. 2 is a diagram illustrating a display effect of watermark information provided by an embodiment of the present application;
fig. 3 shows a structural schematic diagram of a watermark generation apparatus for a cloud desktop according to an embodiment of the present application.
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.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
In a traditional watermarking Processing mode based on a remote desktop protocol, a watermarking layer is added into a desktop image of a remote desktop server module, or a watermarking layer is added into a remote desktop protocol client module, and the watermarking layer is added into a cloud desktop server, so that the consumption of a Central Processing Unit (CPU) of a server can be greatly increased, the high-quality transmission of the desktop image is not facilitated, the consumption of the CPU of the client can also be greatly increased by adding the watermarking layer into the remote desktop protocol client module, and meanwhile, the mode cannot be used in a 3D desktop scene and can only be used in a 2D scene.
Example 1
The embodiment of the disclosure provides a watermark generation method for a cloud desktop, which is applied to electronic equipment capable of logging in the cloud desktop.
Specifically, referring to fig. 1, the method for generating a watermark on a cloud desktop according to this embodiment includes:
step S101, logging in a cloud desktop, and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information.
In this embodiment, the cloud desktop can be logged in through the account, and the operation is relatively convenient. The watermark information is stored in a cloud desktop server, a user can edit the watermark information through a web, the cloud desktop server stores the watermark information in a desktop specification, and the user distributes a desktop strategy containing the watermark information to a corresponding virtual machine through a cloud desktop. When a user logs in the cloud desktop, the cloud desktop acquires watermark information from the cloud server. The watermark window information comprises window size, display content size, watermark gradient and watermark transparency, and the watermark content information comprises user name, desktop name, physical Access Control (MAC) Address, time information, display content and the like. It is supplementary to say that the watermark information further includes dynamic watermark information, and the dynamic watermark information includes a dynamic random watermark position, a dynamic cyclic path plan, and the like.
It is supplementary to be noted that the cloud desktop server in this embodiment includes a guest os QEMU VM and a remote desktop protocol server module, and the cloud desktop includes a remote desktop protocol client module.
And S102, displaying a transparent window on the cloud desktop according to the watermark window information.
In this embodiment, a sub-window is newly built in a display window on the cloud desktop based on a gtk/qt library, the sub-window is adjusted to be a borderless transparent window according to watermark information, the borderless transparent window is set on top and displayed on the uppermost layer of the cloud desktop, the transparent window can be used for displaying the watermark information, in addition, mouse click operation and drag operation which can be received by the transparent window can be fed back to the lower display window, and the size of the lower display window is self-adapted.
In this embodiment, the cloud desktop includes a display form, and step S102 includes:
determining the size of a transparent window according to the watermark window information;
creating the transparent window according to the size of the transparent window;
and displaying the transparent window on the display window in an overlapping manner.
In this embodiment, the watermark window information includes the size of the watermark window, transparency information, and the like, the size of the watermark window is read to determine the size of the transparent window, the transparency information is read to determine the transparency of the transparent window, and then a corresponding transparent window is created, so that the transparent window meets the requirements.
In this embodiment, the display window may be a function window having an operation function, and if the transparent window is displayed in an overlapping manner on the display window, the display window cannot be operated if no corresponding adjustment is made.
The watermark generation method of the cloud desktop in the embodiment further includes the following steps:
when the transparent window receives user control operation, determining a control object of the user control operation as the display window;
and determining a response event corresponding to the display form according to the user control operation, and executing the response event.
In this embodiment, the user control operation may be an operation of mouse and keyboard input. The display window may have a size adjustment to optimize the cloud desktop display effect, and the size of the transparent window may be adjusted along with the size adjustment of the display window in this embodiment.
Specifically, the method for generating a watermark of a cloud desktop according to this embodiment further includes the following steps:
and when the form change data of the display form is detected, adjusting the size of the transparent form according to the form change data so as to enable the size of the adjusted transparent form to be the same as the size of the changed display form.
And step S103, displaying the watermark content information in the transparent window.
Specifically, a ca ro graphic library can be used to draw a watermark image in combination with watermark information, and the watermark image is displayed on a transparent window, so that the watermark image can be seen on a cloud desktop. When the dynamic watermark effect is needed, the watermark image is processed through the watermark animation processing module, and the animation effect is achieved.
In this embodiment, the watermark information is displayed on the cloud desktop by using the independent transparent window, so that the watermark can be displayed on the 2D desktop and the watermark can also be displayed on the 3D desktop, and the cloud desktop does not need to be fused with the virtualized desktop image, thereby greatly reducing the CPU consumption of the cloud desktop. Namely, the method is safe, reliable, simple and efficient.
It is supplementary to say that the watermark information further includes dynamic watermark information, and the dynamic watermark information includes a dynamic random watermark position, a dynamic cyclic path plan, and the like. If the user configures the dynamic watermark function, the display position of the watermark in the transparent window can be planned and updated according to the dynamic random watermark position and the dynamic circular path. Therefore, the transparent window can be dynamically displayed on the display window, and a better watermark display effect is achieved. In addition, in the embodiment, various watermark modes such as animation watermark, random watermark and the like are added, and various watermark modes such as dynamic watermark, static watermark, random watermark, full-screen watermark, fixed entry watermark and the like are supported, so that the desktop watermark effect is enriched.
In this embodiment, the watermark content information includes fixed information and non-fixed information, and the step S101 of obtaining the watermark information from the cloud desktop server through the cloud desktop includes:
and acquiring the non-fixed information from the cloud desktop server through the preset time interval of the cloud desktop interval.
Accordingly, step S103 may include: and updating the non-fixed information of the transparent window according to the acquired non-fixed information at the preset time interval.
In this embodiment, based on the 2D vector graphics library, the width and height of the watermark are calculated according to the font size and the content to be displayed, and the watermark content is sequentially rendered according to the watermark information. Referring to fig. 2, the watermark information includes fixed information and non-fixed information, and the fixed information includes a user name and a desktop name: virtual machine-linux, watermark content: welcome the use of virtual machines, MAC address 08:00: 20: 0A:8C:6D and the like, wherein the non-fixed information comprises time information: 2021/10/1514: 22, ip address: 127.0.0.2, the fixed information may be acquired once when logging in the cloud desktop, the non-fixed information may change dynamically, and needs to be acquired periodically, for example, at preset time intervals, which may be 5 minutes or 30 minutes, and may be set by the user, which is not limited herein. When the non-fixed information changes, only the corresponding updating is needed in the non-fixed information area, and the whole watermark does not need to be redrawn, so that the consumption of a CPU (Central processing Unit) is effectively reduced.
In this embodiment, in order to improve the display effect of the watermark information, the format of the watermark information may be adjusted. The watermark format information includes a watermark font format, a watermark typesetting format, and the like.
Specifically, the method for generating a watermark of a cloud desktop according to this embodiment further includes the following steps: and acquiring the watermark format information of the watermark content information.
Accordingly, step S103 may include the steps of:
and displaying the watermark content information in the transparent window according to the watermark format information.
Therefore, the watermark content information is displayed in the transparent window according to the watermark font format and the watermark typesetting format, and the optimized display effect is achieved.
It should be added that, in this embodiment, the effect of the watermark in the transparent window can be reset by acquiring the position change, the content change, the size change, and the like of the watermark information at regular time through the timer, so as to achieve the effect of the animation, and the current built-in watermark effect of the animation is the special watermark effect such as a left-to-right welcome effect watermark, a random big-to-small caution effect watermark, and the like.
In order to facilitate the user to control the display or the hiding of the watermark information, a man-machine interaction interface can be provided, the man-machine interaction interface receives the input operation of the user, and the display or the hiding of the watermark information is realized according to the output operation of the user.
In this embodiment, when detecting that the virtual machine of the user needs to display the watermark, the cloud desktop displays the transparent window and starts a processing process of drawing the watermark information in the transparent window.
Specifically, in this embodiment, step S103 includes:
when the watermark display operation is detected, displaying the transparent window on the cloud desktop according to the watermark window information;
the watermark generation method of the cloud desktop in the embodiment further includes the following steps:
and hiding the transparent window when the watermark display operation is not detected.
Therefore, flexible control over watermark information displayed on the transparent window can be achieved through watermark display operation input by a user, and the flexibility of watermark information display is improved.
The method for generating the watermark of the cloud desktop, provided by this embodiment, includes logging in the cloud desktop, and obtaining watermark information from a cloud desktop server through the cloud desktop, where the watermark information includes watermark window information and watermark content information; displaying a transparent window on the cloud desktop according to the watermark window information; and displaying the watermark content information in the transparent window. Therefore, the watermark information is obtained from the cloud desktop server and displayed in the transparent window, client software does not need to be installed in the terminal and the virtual machine, and the watermark information and the virtualized desktop image do not need to be fused and overlapped, so that the safety and the reliability are improved, and the system resource consumption is reduced.
Example 2
The embodiment of the disclosure provides a watermark generation device of a cloud desktop.
Specifically, referring to fig. 3, the watermark generating apparatus 300 for cloud desktop includes:
an obtaining module 301, configured to log in a cloud desktop, and obtain watermark information from a cloud desktop server through the cloud desktop, where the watermark information includes watermark window information and watermark content information;
a first display module 302, configured to display a transparent window on the cloud desktop according to the watermark window information;
and a second display module 303, configured to display the watermark content information in the transparent window.
In this embodiment, the cloud desktop includes a display window, and the first display module 302 is further configured to determine a size of a transparent window according to the watermark window information;
creating the transparent window according to the size of the transparent window;
and displaying the transparent window on the display window in an overlapping manner.
In this embodiment, the watermark generation apparatus 300 for cloud desktop further includes:
the determining module is used for determining a control object of the user control operation as the display window when the transparent window receives the user control operation;
and determining a response event corresponding to the display form according to the user control operation, and executing the response event.
In this embodiment, the watermark generation apparatus 300 for cloud desktop further includes:
and the adjusting module is used for adjusting the size of the transparent window according to the window change data when the window change data of the display window are detected, so that the size of the adjusted transparent window is the same as the size of the changed display window.
In this embodiment, the watermark content information includes fixed information and non-fixed information, and the obtaining module 301 is further configured to obtain the non-fixed information from the cloud desktop server through the cloud desktop interval preset time interval;
the second display module 303 is further configured to update the non-fixed information of the transparent window according to the acquired non-fixed information at intervals of the preset time interval.
In this embodiment, the watermark generation apparatus 300 for cloud desktop further includes:
the first processing module is used for acquiring the watermark format information of the watermark content information;
the second display module 303 is further configured to display the watermark content information in the transparent window according to the watermark format information.
In this embodiment, the first display module 302 is further configured to display the transparent window on the cloud desktop according to the watermark window information when a watermark display operation is detected;
the watermark generation apparatus 300 for a cloud desktop further includes:
and the second processing module is used for hiding the transparent window when the watermark display operation is not detected.
The cloud desktop watermark generation apparatus 300 provided in this embodiment may implement the cloud desktop watermark generation method provided in embodiment 1, and for avoiding repetition, details are not described here again.
The cloud desktop watermark generation device provided by this embodiment logs in a cloud desktop, and acquires watermark information from a cloud desktop server through the cloud desktop, where the watermark information includes watermark window information and watermark content information; displaying a transparent window on the cloud desktop according to the watermark window information; and displaying the watermark content information in the transparent window. Therefore, the watermark information is obtained from the cloud desktop server and displayed in the transparent window, client software does not need to be installed in the terminal and the virtual machine, and the watermark information and the virtualized desktop image do not need to be fused and overlapped, so that the safety and the reliability are improved, and the system resource consumption is reduced.
Example 3
Furthermore, an embodiment of the present disclosure provides an electronic device, which includes a memory and a processor, where the memory stores a computer program, and the computer program, when running on the processor, executes the method for generating a watermark on a cloud desktop provided in the foregoing method embodiment.
The electronic device provided in this embodiment can implement the method for generating a watermark on a cloud desktop provided in embodiment 1, and is not described herein again to avoid repetition.
Example 4
Furthermore, the present disclosure provides a computer-readable storage medium storing a computer program, which when executed on a processor performs the method for generating a watermark on a cloud desktop according to embodiment 1.
The computer-readable storage medium provided in this embodiment may implement the method for generating a watermark of a cloud desktop provided in embodiment 1, and is not described herein again to avoid repetition.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part of the technical solution that contributes to the prior art in essence can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a smart phone, a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. A watermark generation method for a cloud desktop is characterized by comprising the following steps:
logging in a cloud desktop, and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information;
displaying a transparent window on the cloud desktop according to the watermark window information;
and displaying the watermark content information in the transparent window.
2. The method according to claim 1, wherein the cloud desktop comprises a display window, and the displaying of the transparent window on the cloud desktop according to the watermark window information comprises:
determining the size of a transparent window according to the watermark window information;
creating the transparent window according to the size of the transparent window;
and displaying the transparent window on the display window in an overlapping manner.
3. The method according to claim 2, wherein after the transparent frame is displayed on the cloud desktop according to the watermark frame information, the method further comprises:
when the transparent window receives user control operation, determining a control object of the user control operation as the display window;
and determining a response event corresponding to the display form according to the user control operation, and executing the response event.
4. The method according to claim 2, wherein after the transparent frame is displayed on the cloud desktop according to the watermark frame information, the method further comprises:
and when the form change data of the display form is detected, adjusting the size of the transparent form according to the form change data so as to enable the size of the adjusted transparent form to be the same as the size of the changed display form.
5. The method of claim 1, wherein the watermark content information includes fixed information and non-fixed information, and wherein obtaining the watermark information from a cloud desktop server via the cloud desktop includes:
acquiring the non-fixed information from the cloud desktop server through the cloud desktop interval preset time interval;
the displaying the watermark content information in the transparent window comprises:
and updating the non-fixed information of the transparent window according to the acquired non-fixed information at the preset time interval.
6. The method of claim 1, further comprising:
acquiring watermark format information of the watermark content information;
the displaying the watermark content information in the transparent window comprises:
and displaying the watermark content information in the transparent window according to the watermark format information.
7. The method according to claim 1, wherein the displaying a transparent window on the cloud desktop according to the watermark window information comprises:
when the watermark display operation is detected, displaying the transparent window on the cloud desktop according to the watermark window information;
the method further comprises the following steps:
and hiding the transparent window when the watermark display operation is not detected.
8. An apparatus for generating a watermark of a cloud desktop, the apparatus comprising:
the acquisition module is used for logging in a cloud desktop and acquiring watermark information from a cloud desktop server through the cloud desktop, wherein the watermark information comprises watermark window information and watermark content information;
the first display module is used for displaying a transparent window on the cloud desktop according to the watermark window information;
and the second display module is used for displaying the watermark content information in the transparent window.
9. An electronic device comprising a memory and a processor, the memory storing a computer program that when executed by the processor performs the method of generating a watermark for a cloud desktop of any of claims 1 to 7.
10. A computer-readable storage medium, characterized in that it stores a computer program that, when run on a processor, performs the method of generating a watermark for a cloud desktop according to any one of claims 1 to 7.
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| CN202111535737.XA CN114238877A (en) | 2021-12-15 | 2021-12-15 | Watermark generation method and device for cloud desktop and electronic equipment |
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| CN202111535737.XA CN114238877A (en) | 2021-12-15 | 2021-12-15 | Watermark generation method and device for cloud desktop and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115658216A (en) * | 2022-12-26 | 2023-01-31 | 飞腾信息技术有限公司 | Application program window processing method and device and computer readable storage medium |
| CN116127916A (en) * | 2022-11-18 | 2023-05-16 | 百望股份有限公司 | Method and device for dynamically adding watermark |
-
2021
- 2021-12-15 CN CN202111535737.XA patent/CN114238877A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116127916A (en) * | 2022-11-18 | 2023-05-16 | 百望股份有限公司 | Method and device for dynamically adding watermark |
| CN116127916B (en) * | 2022-11-18 | 2024-05-28 | 百望股份有限公司 | Method and device for dynamically adding watermark |
| CN115658216A (en) * | 2022-12-26 | 2023-01-31 | 飞腾信息技术有限公司 | Application program window processing method and device and computer readable storage medium |
| CN115658216B (en) * | 2022-12-26 | 2023-03-31 | 飞腾信息技术有限公司 | Application program window processing method and device and computer readable storage medium |
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