CN104952029A - Plug-in implementing system and method of suspending physical watermarks in AutoCAD - Google Patents
Plug-in implementing system and method of suspending physical watermarks in AutoCAD Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 27
- 230000006870 function Effects 0.000 claims description 24
- 239000000725 suspension Substances 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 230000009897 systematic effect Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
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Abstract
A plug-in implementing system of suspending physical watermarks in AutoCAD comprises a physical watermark plug-in version controller, a physical watermark detector, a document monitor, a physical watermark editor, and a physical watermark display; the physical watermark plug-in version controller is used for updating physical watermark plug-ins loaded by the AutoCAD dynamically in real time; the physical watermark detector is used for detecting whether a currently active CAD document has other physical watermarks being used; the document monitor is used for acquiring basic information of the currently active CAD document after the physical watermark plug-in version controller loads the physical watermark plug-ins; the physical watermark editor is used for loading a corresponding window set by a physical watermark user after the document monitor acquires the basic information of the currently active CAD document; the physical watermark display is used for displaying the loaded physical watermarks and enabling an event monitor function so that the display content and mode of the physical watermarks are able to interact with the user's operations in real time.
Description
Technical field
The present invention relates to AutoCAD Computer-aided Design Technology field, particularly a kind of plug-in unit system and method for AutoCAD suspension physical watermarks.
Background technology
Universal and the development of AutoCAD computer aided design software considerably improves the efficiency of Graphing of Engineering and application thereof.But it is while bringing great convenience to user, bring severe challenge also to the safety problem of the intellecture property of engineering drawing and carrying content thereof.In the propagation, use procedure of CAD drawing, what people can be random copies, revise former figure, thus may cause the problems such as confidential information leakage, IP dispute.Therefore, as effective electronic document information safeguard protection means, the correlation technique such as Electronic Signature, eletric watermark obtains research and apply widely and promotes.
Common CAD digital watermarking is mainly divided into two large classes: the first kind is Embedded vector watermark, and Equations of The Second Kind is the pure physical watermarks irrelevant with AutoCAD.The former is by embedding the relevant symbol of carrier data in CAD drawing carrier data; also i.e. watermark; realize the application such as the copyright protection to carrier data, copy tracking, content retrieval and certification; the watermark function that this mode realizes comparatively horn of plenty; weak point is to need to rely on cad data originally to realize the embedding of watermark as carrier or the service interface needing utilization AutoCAD software self to provide, and causes the security of watermark and stability to there is hidden danger with the dependence of original CAD data.Equations of The Second Kind watermark uses Windows API to realize the direct drafting of watermark data on computer screen, there is the independence with cad data, but also Just because of this, the function of expansion AutoCAD that cannot be extra in watermark, simultaneously due to usable range too widely, increase security control risk.
Summary of the invention
In view of this, the invention provides a kind of lightweight, the plug-in unit of efficient, extendible AutoCAD suspension physical watermarks realize system and method, existing AutoCAD watermarking process functional configuration is dumb, software application efficiency is low for solving, redundance is large, the technical matters of poor stability.
The plug-in unit of AutoCAD suspension physical watermarks realizes a system, and it comprises:
Physical watermarks plug-in version controller, upgrades the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active for dynamic realtime;
Physical watermarks detecting device, for checking whether the CAD document of current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, starts the function of document audiomonitor; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading the loading of physical watermarks plug-in version controller;
Document audiomonitor, after physical watermarks plug-in unit for loading at physical watermarks plug-in version controller completes, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution;
Physical watermarks editing machine, for complete at document audiomonitor obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern;
Physical watermarks display, for the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
A plug-in unit implementation method for AutoCAD suspension physical watermarks, it comprises the steps:
S1, dynamic realtime upgrade the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active;
Whether the CAD document of S2, inspection current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, jumps to step S3; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading in load step S1;
S3, physical watermarks plug-in version controller load physical watermarks plug-in unit complete after, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution;
S4, complete obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern;
S5, the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
Advantageous Effects: the plug-in unit of AutoCAD suspension physical watermarks of the present invention realizes system and method by AutoCAD suspension physics watermark inserter, take plug-in unit as dynamic load and the management that logical block achieves suspension physical watermarks, what make that user cannot be random copies CAD document and revises, the Intellectual Property Protection of perfect computer-aided engineering design AutoCAD software and function; Simultaneously not Existence dependency relationship between AutoCAD suspension physics watermark inserter and original cad data, thus reduce the security risk of CAD document.
Accompanying drawing explanation
Fig. 1 is that the plug-in unit of the AutoCAD suspension physical watermarks that the embodiment of the present invention provides realizes system architecture diagram;
Fig. 2 is the plug-in unit implementation method process flow diagram of the AutoCAD suspension physical watermarks that the embodiment of the present invention provides.
Embodiment
In embodiments of the present invention, the kit ObjectARX that software environment adopts AutoDesk company to provide for the secondary development on AutoCAD platform, in conjunction with Microsoft.NET Framework Development Framework, realized management and the use of CAD document suspension physical watermarks by plug-in unit.
As shown in Figure 1, realize in system at the plug-in unit of the AutoCAD suspension physical watermarks of the embodiment of the present invention, it comprises:
Physical watermarks plug-in version controller 10, upgrades the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active for dynamic realtime.
Wherein different CAD documents can have the different physical watermarks plug-in unit arranged by repeated loading.
The dynamic realtime that can be realized physical watermarks plug-in unit by physical watermarks plug-in version controller 10 is upgraded, and can provide CAD later release by compatible subscribers, also conveniently carries out the optimization of physical watermarks pin function and expansion simultaneously.Alternatively, carry out synchronous latest edition by on-line/off-line update module, guarantee that the physical watermarks plug-in unit that user uses has good compatibility, security, and function the most perfect.During the upgrading of off-line off line, physical watermarks plug-in version controller 10 generates and shows user downloads AKU signal language in designated links, and user manually can complete the synchronous upgrading of physical watermarks plug-in unit latest edition.
Alternatively, described physical watermarks plug-in version controller 10 for:
In the main interface of AutoCAD, by the mode of order line, load physical watermarks plug-in unit dynamic link library dll file compiled in advance.
In loading procedure, interrupt loading procedure, whether the version of on-line checkingi physical watermarks plug-in unit up-to-date, if without network environment, then give tacit consent to loaded for latest edition plug-in unit.
Call the database service in AutoCAD software, detect in the self-defined object of the CAD document of current active, whether store the relevant information of this physical watermarks plug-in unit, if have, show the essential information of the physical watermarks arranged, and point out user whether to continue to reload plug-in unit, if not, continue the loading of physical watermarks plug-in unit.
Physical watermarks detecting device 20, for checking whether the CAD document of current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, starts the function of document audiomonitor 30; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading the loading of physical watermarks plug-in version controller 10.
For the CAD document of current active, by physical watermarks detecting device 20, the physical watermarks plug-in unit after loading will check whether the document has existed other physical watermarks and used.
Alternatively, described physical watermarks detecting device 20 for:
Detect the computed hardware of active user and operating system environment.
Whether there are relevant application program or process to bind size, the change in location event of the CAD document of current active by detecting, judge whether that other external physical watermark for AutoCAD software exists.
By calling the open application interface API of the bag ObjectARX that develops software of AutoCAD software, detecting and whether having the internal physical watermark of AutoCAD software in operation.
When having external physical watermark and/or internal physical watermark, record and show display information and the status information of the physical watermarks of this existence, prompting user continues the physical watermarks plug-in unit loading the loading of physical watermarks plug-in version controller 10, or uses existing physical watermarks; If when external physical watermark and/or internal physical watermark not detected, continue and complete the loading of the physical watermarks plug-in unit of physical watermarks plug-in version controller 10.
Document audiomonitor 30, after physical watermarks plug-in unit for loading at physical watermarks plug-in version controller 10 completes, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution.
Document audiomonitor 30 is one of nucleus modules of the embodiment of the present invention, and its major function is the essential information obtaining and manage current active CAD document and AutoCAD software Main form.Due to the physical watermarks that the embodiment of the present invention adopts, do not rely on the visible entity in CAD document model space, be suspended on CAD document, therefore build contacting between CAD document and physical watermarks, to make the state of physical watermarks real-time response CAD document change, then seem particularly important.Document audiomonitor 30 can as the tie connected between CAD document and physical watermarks, by reading size, the positional information of CAD document and AutoCAD software Main form, and in conjunction with the resolution information of computer screen, by the mode of action listener, realize the real-time refreshing that physical watermarks changes with document.
Alternatively, described document audiomonitor 30 for:
Obtain the handle of the CAD document of current active.
By the object number ObjectId of the handle acquiring document of the CAD document of acquisition.
The coordinate information of CAD document at the parent window relative to AutoCAD software is read by ObjectId.
The moving event monitoring overall mouse carrys out the CAD document of binding physical watermark and current active, namely physical watermarks with the change of CAD documents location, size the information of corresponding change.
By call operation systematic difference routine interface WinAPI, read the resolution information of present displays, and in conjunction with the parent window size of AutoCAD software and position, by display coordinate and CAD document being changed at the coordinate information of the parent window relative to AutoCAD software, realize the global registration of physical watermarks and CAD documents location, size.
Physical watermarks editing machine 40, for complete at document audiomonitor 30 obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern.
The various information integrated management to physical watermarks can be realized by physical watermarks editing machine 40.By the mode that UI is mutual, response user is arranged the preference of physical watermarks displaying contents, mode, state, meets the physical watermarks loaded and displayed of different user, different demand.Specifically comprise: in physical watermarks, the layout setting of displaying contents, physical watermarks are from the mode etc. in the layout setting enlivened in document, the change of physical watermarks response document.Meanwhile, the configuration information of present physical watermark will be stored in the appointed area of enlivening CAD inside documents.
Alternatively, described physical watermarks editing machine 40 for:
Call the PaletteSet class in AutoCAD software under Autodesk.AutoCAD.Windows NameSpace, build with the on all four physical watermarks control panel of AtuoCAD software interface style, for user carry out physical watermarks editor, control with storage operate.
The interactive user interface UI design function provided by PaletteSet class arranges physical watermarks information for user, and the information of setting comprises physical watermarks displaying contents, display position, size, font, color.
Preserve in the named object dictionary of physics watermark information custom entities in CAD literary composition crotch.
Judge whether the named object dictionary of physical watermarks exists, when there is the named object dictionary of record physical watermarks, according to this information updating dictionary arranged of user; When there is not the named object dictionary of record physical watermarks, newly-built custom entities, and preserve physics watermark information by custom entities named object dictionary.
Physical watermarks display 50, for the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
Physical watermarks display 50, by reading the information of the current setting of physical watermarks editing machine 40, completes the real-time display of physical watermarks.
Alternatively, described physical watermarks display 50 for:
In the CAD document of current active, build physical watermarks custom entities, and add this custom entities the model space of CAD document to; This custom entities is for realizing the Presentation Function of physical watermarks.
Open the action listener function of the CAD document of current active, to realize the Real-Time Monitoring to the change of current active CAD documents location, when the position of CAD document changes, in the physical watermarks custom entities of the model space of CAD document, be again loaded into the positional information of physical watermarks, and refresh the physical watermarks showing and be again loaded into.
Alternatively, described physical watermarks display 50 also for:
The attribute redefined required for selection physical watermarks custom entities object or method.As " deletion ", " copying " operation.
Build ObjectOverrule class, the attribute of the existing definition of heavy duty and method.As invalid in function such as needs realization " deletion ", " copying " etc.
When user calls attribute and the method for the existing definition of heavy duty, continue operation by Autodesk.AutoCAD.Runtime.Exception throw exception to stop user.
Generate and show the operation extremely going out active user and need to perform.As pointed out user: " this object does not allow to delete and copy ".
As shown in Figure 2, the embodiment of the present invention also provides a kind of plug-in unit implementation method of AutoCAD suspension physical watermarks, and it comprises the steps:
S1, dynamic realtime upgrade the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active.
Whether the CAD document of S2, inspection current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, jumps to step S3; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading in load step S1.
S3, physical watermarks plug-in version controller 10 load physical watermarks plug-in unit complete after, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution.
S4, complete obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern.
S5, the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, in the above description according to the functional composition and the step that generally describe each example.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not exceed scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in any other forms of storage medium known in random access memory, internal memory, ROM (read-only memory), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (8)
1. the plug-in unit of AutoCAD suspension physical watermarks realizes a system, it is characterized in that, it comprises:
Physical watermarks plug-in version controller, upgrades the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active for dynamic realtime;
Physical watermarks detecting device, for checking whether the CAD document of current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, starts the function of document audiomonitor; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading the loading of physical watermarks plug-in version controller;
Document audiomonitor, after physical watermarks plug-in unit for loading at physical watermarks plug-in version controller completes, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution;
Physical watermarks editing machine, for complete at document audiomonitor obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern;
Physical watermarks display, for the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
2. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 1 realizes system, and it is characterized in that, described physical watermarks plug-in version controller is used for:
In the main interface of AutoCAD, by the mode of order line, load physical watermarks plug-in unit dynamic link library dll file compiled in advance;
In loading procedure, interrupt loading procedure, whether the version of on-line checkingi physical watermarks plug-in unit up-to-date, if without network environment, then give tacit consent to loaded for latest edition plug-in unit;
Call the database service in AutoCAD software, detect in the self-defined object of the CAD document of current active, whether store the relevant information of this physical watermarks plug-in unit, if have, show the essential information of the physical watermarks arranged, and point out user whether to continue to reload plug-in unit, if not, continue the loading of physical watermarks plug-in unit.
3. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 1 realizes system, and it is characterized in that, described physical watermarks detecting device is used for:
Detect the computed hardware of active user and operating system environment;
Whether there are relevant application program or process to bind size, the change in location event of the CAD document of current active by detecting, judge whether that other external physical watermark for AutoCAD software exists;
By calling the open application interface API of the bag ObjectARX that develops software of AutoCAD software, detecting and whether having the internal physical watermark of AutoCAD software in operation;
When having external physical watermark and/or internal physical watermark, record and show display information and the status information of the physical watermarks of this existence, prompting user continues the physical watermarks plug-in unit loading the loading of physical watermarks plug-in version controller, or uses existing physical watermarks; If when external physical watermark and/or internal physical watermark not detected, continue and complete the loading of the physical watermarks plug-in unit of physical watermarks plug-in version controller.
4. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 1 realizes system, and it is characterized in that, described document audiomonitor is used for:
Obtain the handle of the CAD document of current active;
By the object number ObjectId of the handle acquiring document of the CAD document of acquisition;
The coordinate information of CAD document at the parent window relative to AutoCAD software is read by ObjectId;
The moving event monitoring overall mouse carrys out the CAD document of binding physical watermark and current active, namely physical watermarks with the change of CAD documents location, size the information of corresponding change;
By call operation systematic difference routine interface WinAPI, read the resolution information of present displays, and in conjunction with the parent window size of AutoCAD software and position, by display coordinate and CAD document being changed at the coordinate information of the parent window relative to AutoCAD software, realize the global registration of physical watermarks and CAD documents location, size.
5. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 1 realizes system, and it is characterized in that, described physical watermarks editing machine is used for:
Call the PaletteSet class in AutoCAD software under Autodesk.AutoCAD.Windows NameSpace, build with the on all four physical watermarks control panel of AtuoCAD software interface style, for user carry out physical watermarks editor, control with storage operate;
The interactive user interface UI design function provided by PaletteSet class arranges physical watermarks information for user, and the information of setting comprises physical watermarks displaying contents, display position, size, font, color;
Preserve in the named object dictionary of physics watermark information custom entities in CAD literary composition crotch;
Judge whether the named object dictionary of physical watermarks exists, when there is the named object dictionary of record physical watermarks, according to this information updating dictionary arranged of user; When there is not the named object dictionary of record physical watermarks, newly-built custom entities, and preserve physics watermark information by custom entities named object dictionary.
6. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 1 realizes system, and it is characterized in that, described physical watermarks display is used for:
In the CAD document of current active, build physical watermarks custom entities, and add this custom entities the model space of CAD document to; This custom entities is for realizing the Presentation Function of physical watermarks;
Open the action listener function of the CAD document of current active, to realize the Real-Time Monitoring to the change of current active CAD documents location, when the position of CAD document changes, in the physical watermarks custom entities of the model space of CAD document, be again loaded into the positional information of physical watermarks, and refresh the physical watermarks showing and be again loaded into.
7. the plug-in unit of AutoCAD suspension physical watermarks as claimed in claim 6 realizes system, it is characterized in that, described physical watermarks display also for:
The attribute redefined required for selection physical watermarks custom entities object or method;
Build ObjectOverrule class, the attribute of the existing definition of heavy duty and method;
When user calls attribute and the method for the existing definition of heavy duty, throw exception continues operation to stop user;
Generate and show the operation extremely going out active user and need to perform.
8. a plug-in unit implementation method for AutoCAD suspension physical watermarks, it is characterized in that, it comprises the steps:
S1, dynamic realtime upgrade the physical watermarks plug-in unit of AutoCAD Bootload, the CAD document of this physical watermarks plug-in unit corresponding A utoCAD software current active;
Whether the CAD document of S2, inspection current active exists just in other physical watermarks occupied, when there are not other physical watermarks occupied, jumps to step S3; When there are other physical watermarks occupied, generating and ejecting the physical watermarks plug-in unit that warning prompt user selects to cancel or continue loading in load step S1;
S3, physical watermarks plug-in version controller load physical watermarks plug-in unit complete after, obtain the essential information of the CAD document of current active, described essential information comprises size, the border of CAD document, the size of AutoCAD software forms, border, and computed screen resolution;
S4, complete obtain current active CAD document essential information after, load the corresponding window that physical watermarks user is arranged, to respond the setting of user to the physical watermarks by loaded and displayed, the content of the physical watermarks arranged comprises physical watermarks displaying contents, the layout of physical watermarks content, the display position of physical watermarks in the CAD document of current active, physical watermarks is with window variation pattern;
S5, the physical watermarks loaded in display, and for starting action listener function, make the displaying contents of physical watermarks and mode can immediately and the operation of user carry out interaction.
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| CN107239679A (en) * | 2017-04-28 | 2017-10-10 | 浙江华途信息安全技术股份有限公司 | program window information protecting method and system |
| CN107239679B (en) * | 2017-04-28 | 2019-12-03 | 浙江华途信息安全技术股份有限公司 | Program window information protecting method and system |
| CN107273753A (en) * | 2017-05-11 | 2017-10-20 | 北京明朝万达科技股份有限公司 | A kind of screenshotss leakage prevention method and device |
| CN111680340A (en) * | 2020-05-28 | 2020-09-18 | 上海上咨工程造价咨询有限公司 | Building material price information pushing method, system and device and storage medium thereof |
| CN111680340B (en) * | 2020-05-28 | 2022-08-23 | 上海上咨工程造价咨询有限公司 | Building material price information pushing method, system and device and storage medium thereof |
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| CN104952029B (en) | 2017-12-22 |
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