WO2022262517A1 - Watermark information display method and apparatus, electronic device, and computer-readable medium - Google Patents

Abstract

The present disclosure relates to the technical field of information hiding. Provided are a watermark information display method and apparatus. An embodiment of the method comprises: acquiring a handle attribute of a display form in real time; on the basis of the handle attribute, acquiring form process information of the display form; in response to received watermark addition request information being consistent with the content of the form process information, generating a watermark child form by using the display form as a parent form; and on the basis of the watermark addition request information, drawing and displaying watermark information on the watermark child form in real time.

Description

Watermark information display method, device, electronic device, computer readable medium

This patent application claims the priority of the Chinese patent application with the application number 202110660571.8 and the title of the invention "watermark information display method, device, electronic equipment, computer readable medium" submitted on June 15, 2021. The full text of the application Incorporated into this application by reference.

technical field

The present disclosure relates to the field of computer technology, specifically to the field of information hiding technology, and in particular to a method and device for displaying watermark information, electronic equipment, computer-readable media, and computer program products.

Background technique

Related electronic watermarking technology draws a watermark on the terminal window, which always exists regardless of whether the form uses a watermark; or adds a watermark display program to the display program of the form. Since each program needs to develop a watermark program separately, it is not universal.

Contents of the invention

Embodiments of the present disclosure provide a method and device for displaying watermark information, electronic equipment, a computer-readable medium, and a computer program product.

One or more embodiments of the present disclosure provide a method for displaying watermark information, the method comprising: acquiring the handle attribute of the displayed window in real time; based on the handle attribute, acquiring the window process information of the displayed window; responding to the received watermark The adding request information is consistent with the content of the form process information, and the display form is used as the parent form to generate a watermark sub-form; based on the watermark adding request information, the watermark information is drawn and displayed on the watermark sub-form in real time.

One or more embodiments of the present disclosure provide a watermark information display device, which includes: an attribute acquisition unit configured to acquire the handle attribute of the display window in real time; a process acquisition unit configured to acquire the handle attribute based on the handle attribute The form process information of the display form; the generation unit is configured to respond to the received watermark adding request information consistent with the content of the form process information, and generate a watermark sub-form with the display form as the parent form; the drawing unit is configured It is configured to draw and display watermark information on the watermark sub-window in real time based on the watermark adding request information.

One or more embodiments of the present disclosure provide an electronic device, which includes: one or more processors; a storage device on which one or more programs are stored; when the one or more programs are used by one or Execution by multiple processors, so that one or more processors implement the method described in any of the above implementation manners.

One or more embodiments of the present disclosure provide a computer-readable medium, on which a computer program is stored, and when the program is executed by a processor, the method described in any of the above implementation manners is implemented.

One or more embodiments of the present disclosure provide a computer program product, including a computer program. When the computer program is executed by a processor, the method described in any one of the above implementation manners is implemented.

Description of drawings

Other characteristics, objects and advantages of the present disclosure will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is an exemplary system architecture diagram to which an embodiment of the present disclosure can be applied;

FIG. 2 is a flowchart of an embodiment of a method for displaying watermark information according to the present disclosure;

FIG. 3 is a schematic diagram of watermark display in an embodiment of the present disclosure;

FIG. 4 is a flow chart of another embodiment of a method for displaying watermark information according to the present disclosure;

Fig. 5 is a schematic structural diagram of an embodiment of a watermark information display device according to the present disclosure;

FIG. 6 is a schematic structural diagram of an electronic device suitable for implementing an embodiment of the present disclosure.

detailed description

The present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and embodiments.

FIG. 1 shows an exemplary system architecture 100 to which the method for displaying watermark information of the present disclosure can be applied.

As shown in FIG. 1 , a system architecture 100 may include terminal devices 101 , 102 , 103 , a network 104 and a server 105 . The network 104 is used as a medium for providing communication links between the terminal devices 101 , 102 , 103 and the server 105 . Network 104 may include various connection types, which may typically include wireless communication links and the like.

The terminal devices 101, 102, 103 interact with the server 105 via the network 104 to receive or send messages and the like. Various communication client applications may be installed on the terminal devices 101, 102, 103, such as instant messaging tools, email clients, and the like.

The terminal devices 101, 102, and 103 may be hardware or software. When the terminal devices 101, 102, and 103 are hardware, they may be computer devices with communication and control functions, or mobile terminals held by users. When the terminal devices 101, 102, 103 are software, they can be installed in the above-mentioned computer devices or mobile terminals. It can be implemented as multiple software or software modules (such as software or software modules for providing distributed services), or as a single software or software module. No specific limitation is made here.

The server 105 may be a server that provides various services, such as a watermark control server that provides support for the display systems on the terminal devices 101 , 102 , and 103 . The watermark control server can analyze and process the relevant information of each terminal in the network, and feed back the processing result (such as the watermark information of the watermark sub-window or form, etc.) to the terminal device.

Users can send watermark adding request information to terminal devices 101, 102, 103 by voice or text; terminal devices 101, 102, 103 can interact with server 105 through network 104 to receive or send watermark adding request information, etc. Various data processing applications can be installed on the terminal devices 101 , 102 , and 103 , such as audio input applications, speech analysis applications, semantic recognition applications, information query applications, audio playback applications, and information recognition applications.

The terminal devices 101, 102, 103 may be various electronic devices with display screens and supporting audio information processing, including but not limited to smart phones, tablet computers, e-book readers, laptop computers, desktop computers and so on.

The server 105 may be a server that provides various services, for example, a server that displays watermark information according to the watermark addition request information sent by the terminal devices 101 , 102 , and 103 . The server can obtain the handle attribute of the display form on the terminal device 101, 102, 103 according to the watermark adding request information sent by the terminal device 101, 102, 103, and will generate the display form as the parent form according to the obtained handle attribute draw watermark information in real time on the watermark sub-window, feed back the watermark sub-window and watermark information to the terminal devices 101, 102, 103 and display them on the terminal devices 101, 102, 103.

It should be noted that the server may be hardware or software. When the server is hardware, it can be implemented as a distributed server cluster composed of multiple servers, or as a single server. When the server is software, it can be implemented as multiple software or software modules (such as software or software modules for providing distributed services), or as a single software or software module. No specific limitation is made here.

It should be noted that the method for displaying watermark information provided by the embodiments of the present disclosure may be executed by the server 105 or by the terminal devices 101 , 102 , 103 .

It should be understood that the numbers of terminal devices, networks and servers in Fig. 1 are only illustrative. According to the implementation needs, there can be any number of terminal devices, networks and servers.

FIG. 2 shows a process 200 of an embodiment of a method for displaying watermark information according to the present disclosure. The method for displaying watermark information includes the following steps:

Step 201, acquire the handle attribute of the displayed window in real time.

In this embodiment, a window is an application window and a dialog box, and a display window is a window that is running in the system and can be seen by the user, that is, the window currently displayed by the user terminal belongs to the display window. The handle of the form is a reference to the internal data structure of the system, and it is also the unique identifier allocated for the form by the system memory where the form is located. The corresponding handle attribute of the displayed form can be obtained by displaying the handle of the form. The handle attribute is related to the display window All properties related to the form, such as handle properties include: the display area of the display form, the display position of the display form on the terminal screen, the form title of the display form, etc.

The executive body on which the watermark information display method runs (the server 105 shown in FIG. 1 ) can communicate with the user terminals ( terminal devices 101, 102, 103 shown in FIG. 1 ), and send to each user terminal to obtain the current A request for the handle attribute of the display form, so as to obtain the handle attribute of the display form on each interface from each user terminal.

In some optional implementations of this embodiment, the above real-time acquisition of the handle attribute of the display window includes: periodically traversing the display window of the terminal to obtain a list of handles of the display window; acquiring the handle attribute of the handle list of the display window .

In this optional implementation, the display form includes at least one display sub-window, and the handle list of the display form is a collection of handles of at least one display sub-window, and each display sub-window can be determined through the handle list of the display form The handle property of the body.

In this optional implementation manner, by traversing the display windows of the terminal at regular intervals, the real-time performance of the obtained handle attributes of the display windows can be guaranteed, and the efficiency of information acquisition is improved.

Optionally, the execution subject on which the watermark information display method runs may also be an electronic device, and the electronic device ( terminal devices 101, 102, 103 shown in FIG. Get a list of window handles.

In some optional implementations of this embodiment, the above-mentioned real-time acquisition of the handle attribute of the display form includes: monitoring the creation message of the form on the terminal through a hook function; determining the handle list of the display form based on the creation message; The handle property of the form's handle list.

In this optional implementation mode, the hook function (hook program), before the system calls the creation program of the form, the hook function first captures the message of the creation program, so as to obtain the control right first, at this time the hook function can be processed (Change) The execution behavior of the creation program can also forcibly end the transmission of the message of the creation program.

In this optional implementation, the hook function can be used to monitor the creation messages of all forms on the terminal, so as to ensure that after each form is created, the handle list of the displayed form is determined, thus ensuring the acquisition of the displayed form through the hook function The real-time performance of the handle attribute improves the efficiency of handle attribute acquisition.

Step 202, based on the handle attribute, obtain the window process information of the displayed window.

In this embodiment, a window process (Process) is a running activity of a window program in a computer on a certain data set, and is the basic unit for resource allocation and scheduling by the system, and the basis of the operating system structure.

In this embodiment, the system API (Application Program Interface, application program interface) can be called through the handle attribute of the display form, and the form process information of the display form can be obtained further through the system API. System API is the underlying function provided by system development, also called system function. It is a function used by programmers during development, such as windows computer. System API is provided by Microsoft, which is the necessary basic library for programmers to develop programs.

In this embodiment, the window process information is information related to the window process, for example, the window process information includes: a process identifier and a process name.

In this embodiment, the process ID of the program to which the form belongs is obtained, and mapped to the program through the process ID. For example, the program of the WORD document form is WINWORD.EXE, and the program of the EXCEL document form is EXCEL.EXE.

Step 203, in response to the content of the received watermark adding request information being consistent with the content of the window process information, generating a watermark sub-window with the display window as the parent window.

In this embodiment, the watermark addition request information is a request sent by the information sender to the execution subject on which the watermark information display method runs when the information sender has a need for watermark addition. The watermark addition request information includes: first process information, the first The process information is the information corresponding to the form process information, by matching the first process information with the form process information (for example, the process identification in the first process information is the same as the process identification in the form process information, or the first process The process name in the information is the same as the process name in the form process information), and the display form that needs to be watermarked can be determined.

Further, the watermark adding request information may also include: watermark sub-window information and watermark information. Among them, the watermark sub-window information includes: the type of the watermark sub-window, the size of the watermark sub-window, the logo of the watermark sub-window, the title of the watermark sub-window, etc., through the watermark sub-window information can be determined on the display form Displays the content of the watermark subform.

Step 204, draw and display watermark information on the watermark sub-window in real time based on the watermark adding request information.

In this embodiment, the watermark adding request information includes: watermark information, based on the watermark information in the watermark adding request, the watermark information can be drawn and displayed on the watermark sub-window in real time.

In this embodiment, the watermark information is the display content of the watermark on the watermark sub-window, and the watermark information includes: the watermark logo displayed in the watermark sub-window and the attributes of the watermark logo, wherein the attributes of the watermark logo include: the size of the watermark logo, the watermark logo Spacing, line spacing of watermark logo, color of watermark logo, etc. Specifically, as shown in Figure 3, a schematic diagram of watermark display in the display window is shown. In Figure 3, each icon represents a different function under the display window of an application Menu, the "chiboqi" watermark logo is used in the display window of the application as the watermark information in the watermark sub-window of the application.

Optionally, the watermark addition request information may also include: account ID, terminal ID, etc., where the execution subject or the terminal where the window is displayed stores configuration information of watermark sub-windows corresponding to different account IDs or terminal IDs; The configuration information of the form can include: the process name corresponding to the watermark sub-window, the process ID, the information of the watermark sub-window, the watermark information of the watermark sub-window; the configuration information of each watermark sub-window is related to the account ID or terminal IDs correspond to each other, so that the watermark sub-window and the watermark information on the watermark sub-window can be obtained through the account ID and the terminal ID.

For example, if you want to add a watermark to a WORD document, you only need to use the account ID in the watermark adding request information to obtain the configuration information of the watermark sub-window. At this time, compare the process name in the configuration information of the watermark sub-window with the name of the program to which the display form belongs. Consistent, if they are consistent with each other, all WORD documents will be watermarked.

In this embodiment, the display window can be a plurality of display sub-windows displayed on one terminal, and the display window can also be a display window displayed on multiple different terminals, and the watermark addition request information can also include: terminal ID, through the terminal ID, the handle attribute of the displayed window includes: the ID of the terminal where the displayed window is located, by distinguishing the ID of the terminal where the displayed window is located and the terminal ID in the watermark adding request information, the terminal where the currently displayed window is located can be distinguished Whether to add the terminal corresponding to the request information for the watermark.

The method for displaying watermark information provided by the embodiments of the present disclosure firstly obtains the handle attribute of the displayed window in real time; secondly, based on the handle attribute, obtains the window process information of the displayed window; secondly, responds to the received watermark addition request information and The content of the form process information is consistent, and the watermark sub-form is generated with the display form as the parent form; finally, based on the watermark adding request information, the watermark information is drawn and displayed in real time on the watermark sub-form. Thus, the watermark information display operation is performed on the current display form, and the dynamic control of the electronic watermark is realized; the watermark control is performed based on the form of the specified type of watermark addition request, which improves the security of the form; the information based on the watermark addition request information Content, real-time display of watermark information on the display form, achieves the purpose of custom adding watermark information, when the content of the watermark addition request is different, the watermark information displayed on the displayed form can be different.

In another embodiment of the present disclosure, as shown in FIG. 4 , a flow 400 of another embodiment of the method for displaying watermark information according to the present disclosure is shown. The method for displaying watermark information includes the following steps:

Step 401, acquire the handle attribute of the display window in real time.

Step 402, based on the handle attribute, obtain the window process information of the displayed window.

Step 403, in response to the content of the received watermark adding request information being consistent with the content of the window process information, generating a watermark sub-window with the display window as the parent window.

Step 404, draw and display watermark information on the watermark sub-window in real time based on the watermark adding request information.

It should be understood that the operations and features in steps 401 to 404 above correspond to the operations and features in steps 201 to 204 respectively, therefore, the above descriptions of operations and features in steps 201 to 204 are also applicable to Step 401-step 404 are not repeated here.

Step 405, receiving closing information of the parent window.

In this embodiment, when the display window needs to be closed, the message sender sends closing information to the display window. When the display window receives the closing information, the watermark sub-window with the display window as the parent window will also receive the parent window. Body shutdown information.

Step 406, stop drawing watermark information on the watermark sub-window.

In this embodiment, after receiving the close information of the parent window, stop drawing the watermark information on the watermark sub-window.

Step 407, eliminate the watermark sub-window.

In the watermark information display method provided by this embodiment, after the display window displays the watermark information obtained based on the watermark addition request information, according to the closing information of the parent window, stop drawing the watermark information and eliminate the watermark sub-window, so that the display window The watermark information can be eliminated in time and effectively when it is closed.

When the display form includes multiple display sub-forms and the process information of the multiple display sub-forms is the same (such as the same process ID or/and process name), in order to Display sub-windows for watermark setting, you can add form title keywords in the watermark adding request information to filter the display sub-windows that need to display watermark information in a personalized manner. In some optional implementations of this embodiment, the display window The form includes multiple display sub-windows, and the watermark addition request information includes: first process information and form title keywords; the handle attribute includes: form title information and form process information; the above response to the received watermark addition request information and The content of the process information of the form is consistent, and the watermark child form is generated with the display form as the parent form, including: in response to determining that the first process information is consistent with the content of the process information of the form, selecting from the title information of the form The title of the display form that matches the title keyword; obtain the display subform that matches the title of the display form from multiple display subforms; take the display subform that matches the title of the display form as the parent The form generates a watermark subform.

In this optional implementation, both the first process information and the form process information include the process name, and when the process name in the first process information is the same as the process name in the form process information, it is determined that the first process information and the form The content of the process information is the same.

In this optional implementation manner, the form title keyword may be one or more words, or a phrase equivalent to the displayed form title. According to the form title keyword, the form title keyword and the displayed form title can be matched using any of the following matching rules: at least one word in the displayed form title is the same as the form title keyword; At least one word of is similar to the form title keyword; display the form title is the same as the form title keyword.

In this optional implementation mode, there can be one or more display sub-windows adapted to the display form title; when there is one display sub-form adapted to the display form title, the The display sub-form generates a watermark sub-form for the parent form; when there are multiple display sub-forms that match the title of the display form, each display sub-form is generated with each display sub-form as the parent form The watermark subform.

In this optional implementation, the form title keyword in the request information is added with a watermark, and the display sub-windows that match the form title keywords among multiple display sub-windows are screened, thereby realizing personalized pairing. Displays the purpose of the watermark display settings made by the subform.

In some optional implementations of this embodiment, the above window process information includes: process name, and based on the handle attribute, obtaining the window process information of the displayed window includes: determining the window identifier of the displayed window based on the handle attribute ;Based on the window ID, map to the running process ID of the terminal; based on the process ID, determine the process name.

In this optional implementation manner, by displaying the window ID of the window, the process ID and the process name are obtained, thereby ensuring the richness of the window process information.

In this embodiment, in order to improve the display effect of the watermark information in the watermark sub-window, in some optional implementations of this embodiment, the above watermark information display method further includes: acquiring the resolution change of the terminal running the display window Information; based on the resolution change information, the watermark subwindow is redrawn.

In this embodiment, the resolution refers to the DPI (Dots Per Inch, the number of pixels per inch) of the display of the terminal, and the resolution change information may include: the change of the DIP value or the change of the scaling ratio corresponding to the DIP value, for example, 96DIP corresponds to 100% zoom ratio, the zoom ratio changes to 125%, then the DIP becomes 120.

In this optional implementation, the terminal is the terminal that runs the display window. When the DPI value in the terminal changes, the execution subject running the watermark information display method on it can change the watermark sub-frame according to the change of the scaling ratio corresponding to the DIP value. The form is adaptively redrawn so that the zoom ratio of the watermark subwindow changes as the zoom ratio corresponding to the DIP value changes.

In this optional implementation manner, based on the resolution change information, the watermark sub-window is redrawn to achieve the purpose of reducing the distortion of the watermark sub-window.

The watermark information display method provided by the disclosure controls the watermark of the display form of the specified type of the terminal, such as adding a watermark to application forms such as an opened WORD document, an opened EXCEL document, and a browser form (as shown in Figure 3 ), which improves the security and comfort of the application form display. Further, the form type for watermarking can be configured on the server side through the watermark adding request information to achieve the goal of dynamic watermark control, and at the same time, the watermark information display method can also be extended to multi-screen and DPI adaptation.

Further referring to FIG. 5 , as an implementation of the methods shown in the above figures, the present disclosure provides an embodiment of a watermark information display device. This device embodiment corresponds to the method embodiment shown in FIG. 2 , and the device can specifically be applied in various electronic devices.

As shown in FIG. 5 , an embodiment of the present disclosure provides a watermark information display device 500 , which includes: an attribute acquisition unit 501 , a process acquisition unit 502 , a generation unit 503 , and a rendering unit 504 . Wherein, the attribute obtaining unit 501 is configured to obtain the handle attribute of the display window in real time. The process acquiring unit 502 is configured to acquire the window process information of the displayed window based on the handle attribute. The generating unit 503 is configured to, in response to the content of the received watermark adding request information being consistent with the window progress information, generate a watermark sub-window with the display window as the parent window. The drawing unit 504 is configured to draw and display watermark information on the watermark sub-window in real time based on the watermark adding request information.

In this embodiment, in the watermark information display device 500, the specific processing of the attribute acquisition unit 501, the process acquisition unit 502, the generation unit 503, and the rendering unit 504 and the technical effects brought about by them can refer to the corresponding embodiment in FIG. Step 201, Step 202, Step 203, and Step 204.

In some embodiments, the display window includes multiple display sub-windows, and the watermark adding request information includes: first process information and window title keywords; the handle attribute includes: window title information and window process information; the above The generation unit 503 includes: a selection module (not shown in the figure), a window acquisition module (not shown in the figure), and a generation module (not shown in the figure). Wherein the selection module is configured to, in response to determining that the content of the first process information is consistent with the content of the window process information, select the display window title matching the window title keyword from the window title information. The above-mentioned window obtaining module is configured to obtain a display sub-window matching the title of the display form from a plurality of display sub-windows. The above generating module is configured to generate a watermark sub-window with the display sub-window adapted to the title of the display window as the parent form.

In some embodiments, the above apparatus 500 further includes: a receiving unit (not shown in the figure), a stopping unit (not shown in the figure), and a canceling unit (not shown in the figure). Wherein, the above-mentioned receiving unit may be configured to receive parent window closing information. The above stop unit may be configured to stop drawing watermark information on the watermark sub-window. The above-mentioned eliminating unit may be configured to eliminate the watermark sub-window.

In some embodiments, the attribute acquisition unit 501 includes: a traversal module (not shown in the figure), and an attribute acquisition module (not shown in the figure). Wherein, the above-mentioned traversal module is configured to periodically traverse the display windows of the terminal to obtain a list of handles of the display windows. The above attribute acquiring module is configured to acquire the handle attribute of the handle list of the display form.

In some embodiments, the attribute acquisition unit 501 includes: a monitoring module (not shown in the figure), a message determination module (not shown in the figure), and a handle acquisition module (not shown in the figure). Wherein, the above-mentioned monitoring module is configured to monitor the creation message of the form on the terminal through the hook function. The above-mentioned message determination module is configured to determine the handle list of the displayed form based on the creation message. The above-mentioned handle obtaining module is configured to obtain the handle attribute of the handle list of the display form.

In some embodiments, the above-mentioned window process information includes: process name, and the above-mentioned process acquisition unit 502 includes: an identification determination module (not shown in the figure), a mapping module (not shown in the figure), a name determination module (in the figure not shown). Wherein, the above-mentioned identifier determination module is configured to determine the form identifier of the displayed form based on the handle attribute. The above mapping module is configured to map to the running process ID of the terminal based on the window ID. The above-mentioned name determination module is configured to determine the process name based on the process identifier.

In some embodiments, the above-mentioned apparatus 500 further includes: an information acquiring unit (not shown in the figure), and a redrawing unit (not shown in the figure). Wherein, the above-mentioned information obtaining unit is configured to obtain resolution change information of the terminal running the display window. The above redrawing unit is configured to redraw the watermark sub-window based on the resolution change information.

Referring now to FIG. 6 , it shows a schematic structural diagram of an electronic device 600 suitable for implementing an embodiment of the present disclosure.

As shown in FIG. 6, an electronic device 600 may include a processing device (such as a central processing unit, a graphics processing unit, etc.) 601, which may be randomly accessed according to a program stored in a read-only memory (ROM) 602 or loaded from a storage device 608. Various appropriate actions and processes are executed by programs in the memory (RAM) 603 . In the RAM 603, various programs and data necessary for the operation of the electronic device 600 are also stored. The processing device 601, ROM 602, and RAM 603 are connected to each other through a bus 604. An input/output (I/O) interface 605 is also connected to the bus 604 .

Generally, the following devices can be connected to the I/O interface 605: an input device 606 including, for example, a touch screen, a touchpad, a keyboard, a mouse, etc.; an output device including, for example, a liquid crystal display (LCD, Liquid Crystal Display), a speaker, a vibrator, etc. 607; storage means 608 including eg magnetic tape, hard disk, etc.; and communication means 609. The communication means 609 may allow the electronic device 600 to communicate with other devices wirelessly or by wire to exchange data. While FIG. 6 shows electronic device 600 having various means, it should be understood that implementing or having all of the means shown is not a requirement. More or fewer means may alternatively be implemented or provided. Each block shown in FIG. 6 may represent one device, or may represent multiple devices as required.

In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product, which includes a computer program carried on a computer-readable medium, where the computer program includes program codes for executing the methods shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via communication means 609, or from storage means 608, or from ROM 602. When the computer program is executed by the processing device 601, the above-mentioned functions defined in the methods of the embodiments of the present disclosure are executed.

It should be noted that the computer-readable medium in the embodiments of the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two. A computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer diskettes, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In the embodiments of the present disclosure, a computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, apparatus, or device. In the embodiments of the present disclosure, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, carrying computer-readable program code therein. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can transmit, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device . The program code contained on the computer-readable medium can be transmitted by any appropriate medium, including but not limited to: wires, optical cables, RF (Radio Frequency, radio frequency), etc., or any suitable combination of the above.

The above-mentioned computer-readable medium may be included in the above-mentioned server; or it may exist independently without being incorporated into the server. The above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by the server, the server: obtains the handle attribute of the display form in real time; obtains the form of the display form based on the handle attribute Process information; in response to the content of the received watermark adding request information consistent with the form process information, generate a watermark sub-window with the display form as the parent form; draw and display on the watermark sub-window in real time based on the watermark adding request information Watermark information.

Computer program code for carrying out operations of embodiments of the present disclosure may be written in one or more programming languages, or combinations thereof, including object-oriented programming languages—such as Java, Smalltalk, C++, including A conventional procedural programming language - such as the "C" language or a similar programming language. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In cases involving a remote computer, the remote computer can be connected to the user computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through an Internet service provider). Internet connection).

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or portion of code that contains one or more logical functions for implementing specified executable instructions. It should also be noted that, in some 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 they may sometimes be executed in the reverse order, depending upon the functionality involved. It should also be noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by a dedicated hardware-based system that performs the specified functions or operations , or may be implemented by a combination of dedicated hardware and computer instructions.

The units involved in the embodiments described in the present disclosure may be implemented by software or by hardware. The described units may also be set in a processor, for example, may be described as: a processor, including an attribute acquisition unit, a process acquisition unit, a generation unit, and a rendering unit. Wherein, the names of these units do not constitute a limitation on the unit itself under certain circumstances, for example, the property obtaining unit may also be described as a unit "configured to obtain the handle property of the display window in real time".

The above description is only a preferred embodiment of the present disclosure and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solution formed by the specific combination of the above-mentioned technical features, but also covers the above-mentioned invention without departing from the above-mentioned inventive concept. Other technical solutions formed by any combination of technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with technical features having similar functions disclosed in (but not limited to) the embodiments of the present disclosure.

Claims (17)

1. A method for displaying watermark information, the method comprising:

   Get the handle property of the displayed form in real time;

   Based on the handle attribute, obtain the form process information of the display form;

   In response to the received watermark adding request information being consistent with the content of the window process information, generating a watermark sub-window with the displayed window as a parent window; and

   Drawing and displaying watermark information on the watermark sub-window in real time based on the watermark adding request information.
2. The method according to claim 1, wherein the display window includes a plurality of display sub-windows, the watermark addition request information includes: first process information and window title keywords; the handle attribute includes: window The form title information and the form process information; the response to the received watermark adding request information is consistent with the content of the form process information, and the watermark sub-form is generated with the display form as the parent form, including:

   In response to determining that the first process information is consistent with the content of the window process information, selecting a displayed window title matching the window title keyword from the window title information; and

   Obtaining a display sub-form suitable for the title of the display form from a plurality of display sub-forms;

   A watermark sub-form is generated using the display sub-form suitable for the title of the display form as the parent form.
3. The method according to claim 1 or 2, said method further comprising:

   receiving closing information of the parent form;

   Stop drawing the watermark information on the watermark sub-form;

   Remove the watermark from the subform.
4. According to the method according to any one of claims 1-3, the real-time acquisition of the handle attribute of the display form comprises:

   Timely traversing the display form of the terminal to obtain a list of handles of the display form;

   Gets the handle property of the list of handles of the displayed form.
5. According to the method according to any one of claims 1-4, the real-time acquisition of the handle attribute of the display form comprises:

   Monitor the creation message of the form on the terminal through the hook function;

   Based on the creation message, determine the handle list of the display form;

   Gets the handle property of the list of handles of the displayed form.
6. The method according to any one of claims 1-5, wherein the window process information includes: a process name, and the acquisition of the window process information of the displayed window based on the handle attribute includes:

   Determine the form identifier of the displayed form based on the handle attribute;

   Based on the window identifier, map to the process identifier that the terminal is running;

   Based on the process identifier, the process name is determined.
7. The method according to any one of claims 1-5, further comprising:

   Acquiring resolution change information of the terminal running the display window;

   Based on the resolution change information, the watermark sub-window is redrawn.
8. A watermark information display device, said device comprising:

   An attribute acquiring unit configured to acquire the handle attribute of the display form in real time;

   a process acquiring unit configured to acquire the window process information of the displayed window based on the handle attribute;

   A generating unit configured to generate a watermark child form with the display form as a parent form in response to the received watermark addition request information being consistent with the content of the form process information; and

   The drawing unit is configured to draw and display watermark information on the watermark sub-window in real time based on the watermark adding request information.
9. The device according to claim 8, wherein the display window includes a plurality of display sub-windows, the watermark addition request information includes: first process information and window title keywords; the handle attribute includes: window Body title information and the form process information; the generating unit includes:

   A selecting module configured to, in response to determining that the content of the first process information is consistent with the content of the window process information, select a displayed window title matching the window title keyword from the window title information ;

   a window obtaining module configured to obtain a display form suitable for the title of the display form from a plurality of display sub-forms; and

   The generation module is configured to generate a watermark sub-form with the display form adapted to the title of the display form as the parent form.
10. The device according to any one of claims 8-9, wherein the device further comprises a receiving unit, a stopping unit, and a canceling unit, wherein,

    The receiving unit is configured to receive parent window closing information;

    The stopping unit is configured to stop drawing watermark information on the watermark sub-window;

    The eliminating unit is configured to eliminate the watermark sub-window.
11. The device according to any one of claims 8-10, wherein the attribute acquisition unit includes a traversal module and an attribute acquisition module,

    The traversal module is configured to periodically traverse the display window of the terminal to obtain a list of handles of the display window; and

    The attribute acquiring module is configured to acquire the handle attribute of the handle list of the display form.
12. The device according to any one of claims 8-11, wherein the attribute acquisition unit includes: a monitoring module, a message determination module, and a handle acquisition module, wherein,

    The monitoring module is configured to monitor the creation message of the form on the terminal through a hook function;

    The message determination module is configured to determine a handle list of the display form based on the creation message; and

    The handle acquiring module is configured to acquire the handle attribute of the handle list of the display window.
13. The device according to any one of claims 8-12, wherein the window process information includes: a process name, and the process acquisition unit includes an identification determination module, a mapping module, and a name determination module, wherein,

    The identification determination module is configured to determine the form identification of the displayed form based on the handle attribute;

    The mapping module is configured to map to the process identifier that the terminal is running based on the window identifier; and

    The name determining module is configured to determine the process name based on the process identifier.
14. The device according to any one of claims 8-13, further comprising an information acquisition unit and a redrawing unit, wherein

    The information acquiring unit is configured to acquire resolution change information of a terminal running the display window; and

    The redrawing unit is configured to redraw the watermark sub-window based on the resolution change information.
15. An electronic device comprising:

    one or more processors;

    a storage device having one or more programs stored thereon;

    When the one or more programs are executed by the one or more processors, the one or more processors are made to implement the method according to any one of claims 1-7.
16. A computer-readable medium, on which a computer program is stored, wherein, when the program is executed by a processor, the method according to any one of claims 1-7 is realized.
17. A computer program product comprising a computer program which, when executed by a processor, implements the method of any one of claims 1-7.

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