CN112578977B - Display content annotation method, device and system - Google Patents
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- CN112578977B CN112578977B CN201910855359.XA CN201910855359A CN112578977B CN 112578977 B CN112578977 B CN 112578977B CN 201910855359 A CN201910855359 A CN 201910855359A CN 112578977 B CN112578977 B CN 112578977B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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Abstract
The embodiment of the invention relates to a display content annotation method, device and system. The method for example comprises: acquiring position coordinate information of a function control area and a display content area of a bottom layer content program in a content window; responding to user trigger operation to start an annotation program to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and responding to the writing operation of the user in the transparent annotation area to generate annotation content. The display content annotation method, device and system of the embodiment can realize the following of the played content and the annotated content, and can also realize the operation on the content of the display content area in the content window of the bottom-layer content program without closing the annotation window.
Description
Technical Field
The invention relates to the technical field of display and screen sharing, in particular to a display content annotating method, a display content annotating device and a display content annotating system.
Background
In the current and future meeting rooms, computers, panels, mobile phones, electronic whiteboards and even LED display screens become electronic display meeting room standards, and a common scene exists, namely, a speaker needs to show prepared images, documents and video contents to participants through the LED display screens, in a discussion link, the participants need to carry out sufficient discussion and communication aiming at the display contents, and at the moment, any annotation needs to be carried out on the display contents.
At present, when the display content needs to be annotated, an annotation program is opened, a main interface of the annotation program is transparent, which is equivalent to placing a transparent mask on the display content in visual view, so that the display content can be seen and written at will. From the view effect, the effect of taking notes on paper articles is restored to a certain extent. But the technical problems exist that: after the annotating program is opened to annotate, the display content at the bottom layer cannot be operated, but the annotating program needs to be closed to continue operating the display content, so that the operation of a user is complex, and the use convenience is poor.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, embodiments of the present invention provide a display content annotating method, a display content annotating device, and a display content annotating system.
On one hand, a display content annotation method provided by an embodiment of the present invention includes: acquiring position coordinate information of a functional control area and a display content area of a bottom layer content program in a content window; responding to user trigger operation to start an annotation program to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and responding to the writing operation of the user in the transparent annotation area to generate annotation content.
In the display content annotation method of this embodiment, when the annotation program is started to generate the annotation window, the annotation window includes the virtual transparent control area associated with the functional control area and the transparent annotation area corresponding to the display content area, which are simulated according to the position coordinate information of the functional control area and the display content area in the content window, so that an instruction related to annotation can be arbitrarily operated after the annotation window is generated to the annotation program and the underlying content program, thereby realizing the following of the playback content and the annotation content, and realizing the operation on the content in the display content area in the content window of the underlying content program without closing the annotation window.
In an embodiment of the present invention, the starting the annotation program in response to the user trigger operation includes: and responding to the single-point continuous sliding touch operation of the user in the display content area in the content window to start the annotation program.
In an embodiment of the present invention, the display content annotation method further includes: and responding to the clicking or dragging operation of a user in the virtual transparent control area, generating a triggering instruction to the annotation program and transmitting the triggering instruction to the underlying content program by the annotation program so as to trigger the content in the display content area to move or turn pages and the annotation content in the transparent annotation area to synchronously follow.
In an embodiment of the present invention, the display content annotation method further includes: and responding to the multi-point sliding touch operation of the user in the transparent annotation area, generating a trigger instruction to the annotation program and transmitting the trigger instruction to the underlying content program by the annotation program so as to trigger the content movement or page turning of the display content area and the synchronous following of the annotation content of the transparent annotation area.
In an embodiment of the present invention, the display content annotation method further includes: matching the content of the display content area in the content window with the annotation content of the transparent annotation area in terms of coordinates and page numbers, and storing the result as a temporary storage file; and responding to the exit of the content window or the annotation window, prompting a user whether to save, responding to the selection of the user to save, and synthesizing the temporary storage file into a target format document to output.
On the other hand, an annotation device for display content provided in an embodiment of the present invention includes: the information acquisition module is used for acquiring the position coordinate information of the functional control area of the bottom layer content program and the display content area in the content window; the window generation module is used for responding to user trigger operation to start an annotation program so as to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and the annotation generating module is used for responding to the writing operation of the user in the transparent annotation area and generating annotation content.
The window generation module in the display content annotating device of this embodiment can enable the annotating window to include the virtual transparent control area associated with the functional control area and the transparent annotating area corresponding to the display content area, which are simulated according to the position coordinate information of the functional control area and the display content area in the content window, when the annotating program is started to generate the annotating window, so that any operation and annotation related instructions can be given to the annotating program and the bottom layer content program after the annotating window is generated, thereby realizing the following of the played content and the annotated content, and also realizing the operation on the content in the display content area in the content window of the bottom layer content program without closing the annotating window.
In an embodiment of the present invention, the window generating module is specifically configured to start the annotation program in response to a single-point continuous sliding touch operation of a user in the display content area in the content window.
In one embodiment of the present invention, the display content annotating device further includes: and the synchronous following module is used for responding to the clicking or dragging operation of a user in the virtual transparent control area or the multi-point sliding touch operation of the user in the transparent annotation area, generating a triggering instruction to the annotation program and transmitting the triggering instruction to the bottom layer content program by the annotation program so as to trigger the content movement or page turning of the display content area and the synchronous following of the annotation content in the transparent annotation area.
In one embodiment of the present invention, the display content annotating device further includes: and the storage and output module is used for matching the content of the display content area in the content window with the annotation content of the transparent annotation area in terms of coordinates and page numbers, storing the content as a temporary storage file, prompting a user whether to store the content or the annotation window in response to quitting the content window or the annotation window, storing the content or the annotation window in response to user selection, and synthesizing the temporary storage file into a target format document to be output.
In another aspect, a display content annotation system provided in an embodiment of the present invention includes: a processor and a memory, wherein the memory stores instructions for execution by the processor, and the instructions cause the processor to perform operations to perform a display content annotation method as any one of the preceding methods.
In summary, the above technical solutions of the embodiments of the present invention have the following beneficial effects: after the annotation program of the embodiment is started, a virtual transparent control area of a function control area associated with a bottom-layer content program and a transparent annotation area corresponding to a display content area of the bottom-layer content program are simulated, so that any operation and annotation related instructions can be given to the annotation program and the bottom-layer content program after an annotation window is generated, and the following and complete storage of the played content and the annotated content are realized; therefore, the content in the display content area of the content window and the annotation content of the annotation window played by the bottom-layer content program can be operated without closing the annotation window, the annotation function is similar to the note taking on a book, the operation of a user is facilitated, and the operation experience is improved. In addition, for the multi-point touch screen, the annotation program can be triggered and started through the single-point continuous sliding touch operation on the display content area of the content window, and because the writing operation of the user in annotation is usually the single-point continuous sliding touch operation, the beneficial effect that the annotation program is automatically started once the writing operation of the user is detected to be started can be achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a display content annotation method according to an embodiment of the present invention.
Fig. 2A is a schematic diagram illustrating a position distribution of a function control area and a display content area in a content window according to an embodiment of the present invention.
FIG. 2B is a diagram illustrating a status of an annotation window according to an embodiment of the invention.
Fig. 2C is a schematic view of the entire state of the annotation window shown in fig. 2B disposed above the content window shown in fig. 2A.
Fig. 3 is a schematic block diagram of a display content annotating device according to an embodiment of the present invention.
Fig. 4 is a schematic block diagram of another display content annotation apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram of another display content annotating device according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a display content annotation system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1, a display content annotation method provided in an embodiment of the present invention includes, for example, the steps of:
s11: acquiring position coordinate information of a function control area and a display content area of a bottom layer content program in a content window;
s13: responding to user trigger operation to start an annotation program to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and
s15: and responding to the writing operation of the user in the transparent annotation area to generate annotation content.
Specifically, the underlying content program may be various document playing programs such as PDF, TXT, Office (Word/PPT/Excel/Visio, etc.), or a picture playing program, or a browser program.
In one embodiment, the underlying content program is run on the source device and its content window is projected and displayed on the target display device, and manipulation of the content window on the target display device can reverse control the content window on the source device. The source device and the target display device are connected by a wired or wireless manner, for example, a participant projects content on a Windows system, an MAC system or an Android system computer (as a source device) to a touch screen (e.g., a conference screen with a touch function) as a target display device through an HDMI (high definition multimedia interface) or WiFi hot spot; triggering operation of a user on the target display device can start an annotation program so as to generate an annotation window on the target display device and place the annotation window above the content window; and then the user can write in the annotation window to generate annotation content, so as to realize annotation on the display content area in the content window.
In another embodiment, a participant opens a document in a local hard disk or a U disk through a touch screen (as a source device) on a podium and starts an underlying content program, at this time, a content window on the touch screen may be projected and displayed on a target display device, for example, an LED conference screen without a touch function, a trigger operation by a user on the touch screen may start an annotation program, so as to generate an annotation window on the source device and place the annotation window above the content window, and at this time, the annotation window may be projected and displayed on the target display device together with the content window. Then, the user can write in the annotation window displayed on the top of the source device to generate annotation content, so as to annotate the display content area in the content window.
To facilitate a clearer understanding of the embodiment, fig. 2A is a schematic diagram illustrating a distribution of positions of a function control area CTRLA and a display content area CNTTA in a content window of Excel (an example of an underlying content program); in fig. 2A, the function control area CTRLA is an area outside the display content area CNTTA (two rectangular dashed boxes). Correspondingly, fig. 2B is a schematic diagram of an annotation window generated after an annotation program is started by a user triggering operation, in fig. 2B, the annotation window includes a virtual transparent control region CTRLA-vt of the associated function control region CTRLA and a transparent annotation region CNTTA-vt corresponding to the display content region CNTTA, which are simulated according to the position coordinate information of the function control region CTRLA and the display content region CNTTA in the content window, and a participant can perform writing operations, such as circling, remarking, even checking, and the like, on the annotation window shown in fig. 2B, for example, there is a "high-end market pricing reference value" for circling and text remarking in fig. 2B. FIG. 2C is a diagram illustrating the overall effect of the annotation window of FIG. 2B being placed over the content window of FIG. 2A; therefore, the embodiment can achieve the effect of annotating the content in the display content area CNTTA of the content window.
As mentioned above, the following two ways can be adopted for starting the annotation process in response to the user triggering operation in step S13 of this embodiment: one is that the response user calls out the annotation menu and clicks the annotation control to start the annotation program to generate an annotation window; secondly, the annotating program is started through the single-point continuous sliding touch operation of the display content area CNTTA in the content window, namely the single-point continuous sliding touch operation of the display content area CNTTA is recognized as the beginning of annotating writing and the annotating program is automatically started, so that a user does not need to click an annotating control, the user operation can be simplified, and the user experience degree can be improved.
Furthermore, after the annotation program is started to generate the annotation window and the annotation window is placed above the content window, if a user needs to perform operations such as dragging, clicking and the like on the underlying content program, the operation of the virtual transparent control in the virtual transparent control area CTRLA-vt in the annotation window generated by the annotation program can be performed, and the trigger instruction is transmitted to the underlying content program by the annotation program, so that the operations such as content moving, page turning and the like on the content played by the underlying content program are realized. In addition, for the multi-point touch screen, the multi-point sliding touch operation in the transparent annotation region CNTTA-vt of the annotation window and the trigger instruction are transmitted to the underlying content program by the annotation program, so that the content played by the underlying content program can be operated, such as content moving, page turning and the like. It is worth further explaining that if the content in the display content area CNTTA in the content window played by the bottom-layer content program moves up and down (or referred to as up-down sliding), the sliding track and the coordinates on the touch screen are recorded, and a trigger instruction is given to the annotation program at the same time to realize the synchronous following of the annotation content; if the page of the content in the display content area CNTTA in the content window played by the bottom layer content program is turned, the triggering instruction for turning the page is simultaneously given to the annotation program, and the annotation page is increased or turned. Therefore, the annotation content in the annotation window and the content, played by the underlying content program, of the display content area CNTTA in the content window can be synchronously moved or page-turned, and the content, played by the underlying content program, of the display content area CNTTA in the content window can be operated without closing the annotation window.
It should be noted that the operation on the content played by the underlying content program in the display content area CNTTA is not limited to the annotation window generated by the annotation program, and may be implemented by an input device such as a mouse, a keyboard, a touch screen, or a page turning pen of a computer serving as the source device.
In addition, when the content and annotation of the display content area CNTTA in the content window of the underlying content program are operated, the operation instruction and annotation for the content of the display content area CNTTA are converted into the coordinate and page turning operation for the content and annotation content of the display content area CNTTA, and the content of the display content area CNTTA and the annotation content of the transparent annotation area CNTTA-vt are matched with each other in coordinate and page number and then are stored as a temporary storage file; and when the user selects to save, outputting the temporary storage file to a target format document, such as a synthesized complete PDF document (for example, a single page is in a picture form).
In summary, the annotation program of this embodiment simulates the virtual transparent control area of the function control area associated with the bottom-layer content program and the transparent annotation area corresponding to the display content area of the bottom-layer content program after being started, so that any operation and annotation related instruction can be given to the annotation program and the bottom-layer content program after the annotation window is generated, and the following and complete storage of the played content and the annotation content can be realized; therefore, the content of the display content area of the content window and the annotation content of the annotation window played by the bottom-layer content program can be operated without closing the annotation window, the annotation function is similar to the function of taking notes on books, the operation of a user is facilitated, and the operation experience is improved. In addition, for the multi-point touch screen, the annotation program can be triggered and started through the single-point continuous sliding touch operation on the display content area of the content window, and because the writing operation of the user in annotation is usually the single-point continuous sliding touch operation, the beneficial effect that the annotation program is automatically started once the writing operation of the user is detected to start can be achieved.
Referring to fig. 3, an embodiment of the present invention provides a display content annotating device 30, which includes: an information acquisition module 31, a window generation module 33, and an annotation generation module 35.
The information obtaining module 31 is configured to obtain position coordinate information of a function control area of a bottom-layer content program and a display content area in a content window; the window generating module 33 is configured to respond to a user trigger operation to start an annotation program, so as to generate an annotation window and place the annotation window above the content window, where the annotation window includes a virtual transparent control area associated with the function control area and a transparent annotation area corresponding to the display content area, which are simulated according to the position coordinate information of the function control area and the display content area in the content window; and the annotation generating module 35 is configured to generate annotation content in response to a writing operation of the user in the transparent annotation region.
For specific functional details of the information obtaining module 31, the window generating module 33, and the annotation generating module 35, reference may be made to the related description of the content annotation displaying method in the foregoing embodiment, and details are not repeated here. Further, it is worth mentioning that the information obtaining module 31, the window generating module 33 and the annotation generating module 35 may be software modules, stored in the non-volatile memory and executed by the processor to perform the relevant operations to perform the display content annotation method in the foregoing embodiment.
In a specific embodiment, the window generating module 33 is specifically configured to start the annotation program in response to a single-point continuous sliding touch operation of the user in the display content area in the content window; because the writing operation of the user in the annotation process is usually a single-point continuous sliding touch operation, the beneficial effect that the annotation program is automatically started once the user is detected to start the writing operation can be achieved.
Referring to fig. 4, the display content annotating device 30 of the present embodiment may further include: and the synchronous following module 37 is configured to respond to a click or drag operation of a user in the virtual transparent control area or a multi-point sliding touch operation of the user in the transparent annotation area, generate a trigger instruction to the annotation program and transmit the trigger instruction to the underlying content program through the annotation program, so as to trigger content movement or page turning of the display content area and synchronous following of the annotation content in the transparent annotation area. For the details of the functions of the synchronization following module 37, reference may be made to the related description of the content annotation displaying method in the foregoing embodiments, and the details are not repeated herein.
Referring to fig. 5, the display content annotating device 30 of the present embodiment may also further include: and the saving and outputting module 39 is configured to match the content of the display content area in the content window with the annotation content in the transparent annotation area and save the content as a temporary storage file, prompt a user whether to save the temporary storage file in response to exiting the content window or the annotation window, and combine the temporary storage file into a target format document for outputting in response to a user selection for saving. For the details of the functions of the saving and outputting module 39, reference may be made to the related description of the content annotation displaying method in the foregoing embodiments, and further description is omitted here.
In addition, referring to fig. 6, an embodiment of the present invention provides a display content annotation system 60, including: a processor 61 and a memory 63; the memory 63 stores instructions executed by the processor 61, and the instructions cause the processor 61 to perform operations to perform the display content annotation method described in the foregoing embodiment, for example.
In addition, another embodiment of the present invention provides a computer-readable storage medium, which is a non-volatile memory and stores program code, and when the program code is executed by one or more processors, for example, the one or more processors are caused to execute the display content annotation method according to the foregoing embodiment.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflict between technical features and structural contradictions, which do not violate the purpose of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and/or method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units/modules is only one logical division, and there may be other divisions in actual implementation, for example, multiple units or modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units/modules described as separate parts may or may not be physically separate, and parts displayed as units/modules may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units/modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, each functional unit/module in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.
The integrated units/modules, which are implemented in the form of software functional units/modules, may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing one or more processors of a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A display content annotation method, comprising:
acquiring position coordinate information of a function control area and a display content area of a bottom layer content program in a content window;
responding to user trigger operation to start an annotation program to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and
responding to the writing operation of the user in the transparent annotation area to generate annotation content;
the display content annotation method further comprises the following steps:
and responding to the operation of the user in the virtual transparent control area, generating a triggering instruction to the annotating program and transmitting the triggering instruction to the bottom layer content program by the annotating program so as to trigger the operation corresponding to the operation of the user in the virtual transparent control area on the content of the display content area.
2. The display content annotation method of claim 1, wherein the initiating an annotation process in response to a user-triggered operation comprises: and responding to the single-point continuous sliding touch operation of the user in the display content area in the content window to start the annotation program.
3. The method for annotating display content according to claim 1, wherein the step of generating a triggering instruction to the annotating program and transmitting the triggering instruction to the underlying content program by the annotating program in response to the operation of the user in the virtual transparent control area so as to trigger the operation corresponding to the operation of the user in the virtual transparent control area on the content in the display content area comprises the steps of:
and responding to the clicking or dragging operation of a user in the virtual transparent control area, generating a triggering instruction to the annotation program and transmitting the triggering instruction to the underlying content program by the annotation program so as to trigger the content in the display content area to move or turn pages and the annotation content in the transparent annotation area to synchronously follow.
4. The display content annotation method of claim 1, further comprising:
and responding to the multi-point sliding touch operation of the user in the transparent annotation area, generating a trigger instruction to the annotation program and transmitting the trigger instruction to the underlying content program by the annotation program so as to trigger the content movement or page turning of the display content area and the synchronous following of the annotation content of the transparent annotation area.
5. The display content annotation method of claim 1, further comprising:
matching the content of the display content area in the content window with the annotation content of the transparent annotation area in terms of coordinates and page numbers, and storing the result as a temporary storage file; and
and prompting the user whether to save in response to exiting the content window or the annotation window, and synthesizing the temporary storage file into a target format document to output in response to the selection of the user for saving.
6. A display content annotating device, characterized by comprising:
the information acquisition module is used for acquiring the position coordinate information of the functional control area of the bottom layer content program and the display content area in the content window;
the window generation module is used for responding to user trigger operation to start an annotation program so as to generate an annotation window and place the annotation window above the content window, wherein the annotation window comprises a virtual transparent control area which is simulated according to the position coordinate information of the functional control area and the display content area in the content window and is related to the functional control area and a transparent annotation area which corresponds to the display content area; and
the annotation generating module is used for responding to the writing operation of the user in the transparent annotation area and generating annotation content;
the display content annotating device further comprises:
and the synchronous following module is used for responding to the clicking or dragging operation of a user in the virtual transparent control area or the multi-point sliding touch operation of the user in the transparent annotation area, generating a triggering instruction to the annotation program and transmitting the triggering instruction to the bottom layer content program by the annotation program so as to trigger the content movement or page turning of the display content area and the synchronous following of the annotation content in the transparent annotation area.
7. The displayed content annotating device according to claim 6, wherein the window generation module is specifically configured to initiate the annotating program in response to a single-point continuous sliding touch operation of a user on the displayed content area within the content window.
8. The display content annotating device according to claim 6, further comprising:
and the storage and output module is used for matching the content of the display content area in the content window with the annotation content of the transparent annotation area in terms of coordinates and page numbers, storing the content as a temporary storage file, prompting a user whether to store the content or the annotation window in response to quitting the content window or the annotation window, storing the content or the annotation window in response to user selection, and synthesizing the temporary storage file into a target format document to be output.
9. A display content annotation system, comprising: a processor and a memory, wherein the memory stores instructions for execution by the processor and the instructions cause the processor to perform operations to perform a display content annotation method according to any one of claims 1 to 5.
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