CN102340513A - WinCE system-based method for realizing scanning in remote desktop mode - Google Patents
WinCE system-based method for realizing scanning in remote desktop mode Download PDFInfo
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- CN102340513A CN102340513A CN2010102272996A CN201010227299A CN102340513A CN 102340513 A CN102340513 A CN 102340513A CN 2010102272996 A CN2010102272996 A CN 2010102272996A CN 201010227299 A CN201010227299 A CN 201010227299A CN 102340513 A CN102340513 A CN 102340513A
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Abstract
The invention discloses a WinCE system-based method for realizing scanning in a remote desktop mode. A virtual TWAIN driver is installed on a Win 2003 server; and image obtaining application software drives a scanner on a WinCE client computer by calling a virtual TWAIN interface, so that scanning data are obtained. According to the method provided in the invention, so long as image obtaining application software supports a standard TWAIN interface, a scanner on a WinCE client computer can be driven to obtain scanning data as a local USB scanner is utilized. The method has good generality and expansibility; and some common image software like Photoshop and ACDSee and the like can be used according to the method.
Description
Technical field
The present invention relates under the remote desktop mode, realize method for scanning based on the WinCE system.
Background technology
Along with Computer Applied Technology and rapid development of network technology, more and more users has had more and more stronger interest to graphical application and network application, manages concentratedly simultaneously, is easy to safeguard and also becomes the necessary condition that the user selects equipment.Therefore, based on the client computer of Windows CE, fields such as finance, insurance, postal service, medium-sized and small enterprises have been widely used in.Windows CE is that Microsoft is embedded, the basis of mobile computing platform; It is an opening, upgradeable 32 embedded OSs; Be based on the electronic equipment operating system of palmtop computer class; It is the Windows 95 that simplifies, and the graphic user interface of Windows CE is quite outstanding.Windows CE have modularization, structuring and based on the Win32 application programming interfaces and with characteristics such as processor is irrelevant.
At present, also in bringing in constant renewal in, regenerating, some new equipment just are being applied in user's the new system with technology industry user's operation system.And the USB scanner is being widely used in user's the operation system and working environment as novel data input device.
The remote desktop that present Microsoft provides is only supported the mapping of serial ports, parallel port, and promptly the application software on the server is opened serial paralled interface and just can be opened the serial paralled interface on the Windows CE client computer, but does not also support the mapping of USB mouth.On the market; On based on the client computer of Windows CE, use the USB scanner through the remote desktop mode; Main implementation method is: at first drive and the data transport service end at WinCE client-side exploitation USB scanner, secondly the client of exploitation scan interface storehouse and transfer of data on Windows 2003 servers.Application software can drive the scanner on the Windows CE client computer through calling the API that the scan interface storehouse provides, and obtains scan-data.API is writing a Chinese character in simplified form of ApplicationProgramming Interface; The meaning is an API; Be some predefined functions; Purpose provide application program and developer based on certain software or hardware visiting the ability of one group of routine, and need not to visit source code, or understand the details of internal work mechanism.The shortcoming of this method is: application software need be called specific DLL storehouse, and versatility, autgmentability are very poor.DLL is one and comprises the code that can be used simultaneously by a plurality of programs and the storehouse of data that DLL is not an executable file.Dynamic link provides a kind of method, makes process can call the function that does not belong to its executable code.The executable code of function is arranged in a DLL, this DLL comprise one or more by compiling, link and with the function of the process separate storage of using them.And resemble some image softwares commonly used, all can't under this mode, use like Photoshop, ACDSee etc.
In sum, behind remote desktop client login Windows 2003Server, the application software on the server is the USB scanner of access customer machine local how, and becoming needs the problem that solves.
Summary of the invention
The object of the present invention is to provide based on the WinCE system and under the remote desktop mode, realize method for scanning, method is simple, and behind the remote desktop client login Win2003 server, the application software on the server is the USB scanner of access customer machine local effectively.
The technical scheme that realizes the object of the invention is: under the remote desktop mode, realize method for scanning based on the WinCE system; Comprise that data transport service end, USB scanner on the image acquisition application software on the Win2003 server, virtual TWAIN interface and transfer of data client and the WinCE client computer drive and the USB scanner, concrete steps are following:
1. virtual TWAIN driver is installed to obtain virtual TWAIN interface on the Win2003 server;
2. the image acquisition application software is called virtual TWAIN interface, and virtual TWAIN interface is passed to the transfer of data client with scan instruction as required;
3. the transfer of data client passes to the data transport service end on the WinCE client computer with scan instruction; The latter calls the interface function that the USB scanner on the WinCE client computer drives according to scan instruction;
4. the USB scanner drives the USB scanner, obtains scan image data, and view data is returned to the data transport service end;
5. the data transport service end is passed to the transfer of data client on the Win2003 server with view data; The latter returns to virtual TWAIN interface with the view data of obtaining;
6. virtual TWAIN interface converts raw image data to satisfactory data according to the TWAIN normalized definition, and returns to the image acquisition application software.
Said image acquisition application software is the image software of support standard TWAIN interface.
Said step being specially 2.: the image acquisition application software is called virtual TWAIN interface; Virtual TWAIN interface is replied according to the TWAIN normalized definition; When the image acquisition application software need drive USB scanner on the WinCE client computer and obtains image information, virtual TWAIN interface was just passed to the transfer of data client with scan instruction.
The 3. middle transfer of data client of said step is passed to the data transport service end on the WinCE client computer through the mode of TCP/IP Network Transmission with view data.
The 5. middle data transport service end of said step is passed to the transfer of data client on the Win2003 server through the mode of TCP/IP Network Transmission with view data.
The present invention has following beneficial effect: (1) method provided by the present invention makes as long as the image acquisition application software is supported standard TWAIN interface; Just can obtain scan-data as the scanner that uses local USB scanner to drive on the WinCE client computer; Have good versatility and autgmentability, some image software such as Photoshop, ACDSee etc. commonly used can use under this mode.
Description of drawings
For content of the present invention is more clearly understood,, the present invention is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is a structural principle sketch map of the present invention.
Label is in the accompanying drawing:
Win2003 server 1, image acquisition application software 11, virtual TWAIN interface 12, transfer of data client 13, WinCE client computer 2, data transport service end 21, USB scanner driving 22, USB scanner 23.
Embodiment
(embodiment 1)
See Fig. 1, present embodiment comprises data transport service end 21, the driving 22 of USB scanner and the USB scanner 23 on the image acquisition application software 11 on the Win2003 server 1, virtual TWAIN interface 12 and transfer of data client 13 and the WinCE client computer 2.
Image acquisition application software 11 is application software is obtained still image from computer peripheral equipment a international standard for the image software of support standard TWAIN interface, TWAIN refers to the TWAIN agreement.TWAIN is an important interface standard, for a unified standard is provided between software developer and the hardware device production firm, to avoid the incompatibility problem between system and the equipment effectively.The TWAIN agreement is that operating system provides the software support, makes the software that meets the TWAIN agreement just can obtain still image from the peripheral hardware of compatible TWAIN agreement through calling the TWAIN protocol interface, and needn't consider the function difference of peripheral hardware.
The concrete steps of present embodiment are following:
1. virtual TWAIN driver is installed to obtain virtual TWAIN interface 12 on Win2003 server 1;
2. image acquisition application software 11 is called virtual TWAIN interface 12; Virtual TWAIN interface 12 is replied according to the TWAIN normalized definition; When the USB scanner 23 on the image acquisition application software 11 needs driving WinCE client computer 2 obtained image information, virtual TWAIN interface 12 was just passed to transfer of data client 13 with scan instruction;
3. transfer of data client 13 is passed to the data transport service end 21 on the WinCE client computer 2 through the mode of TCP/IP Network Transmission with view data; The USB scanner that the latter calls on the WinCE client computer 2 according to scan instruction drives 22 interface function;
4. the USB scanner drives 22 and drives USB scanner 23, obtains scan image data, and view data is returned to data transport service end 21;
5. data transport service end 21 is passed to the transfer of data client 13 on the Win2003 server 1 through the mode of TCP/IP Network Transmission with view data; The latter returns to virtual TWAIN interface 12 with the view data of obtaining;
6. virtual TWAIN interface 12 converts raw image data to satisfactory data according to the TWAIN normalized definition, and returns to image acquisition application software 11.
The method that present embodiment provides has good versatility and autgmentability, and some image software such as Photoshop, ACDSee etc. commonly used can use under this mode.
Should be appreciated that specific embodiment described above only is used to explain the present invention, and be not used in qualification the present invention.Conspicuous variation of being extended out by spirit of the present invention or change still are among protection scope of the present invention.
Claims (5)
1. under the remote desktop mode, realize method for scanning based on the WinCE system; It is characterized in that: comprise that image acquisition application software (11), virtual TWAIN interface (12) and transfer of data client (13) and the data transport service end (21) on the WinCE client computer (2), USB scanner on the Win2003 server (1) drive (22) and USB scanner (23), concrete steps are following:
1. go up at Win2003 server (1) and virtual TWAIN driver is installed to obtain virtual TWAIN interface (12);
2. image acquisition application software (11) is called virtual TWAIN interface (12), and virtual TWAIN interface (12) is passed to transfer of data client (13) with scan instruction as required;
3. transfer of data client (13) passes to the data transport service end (21) on the WinCE client computer (2) with scan instruction; The latter calls the interface function of the USB scanner driving (22) on the WinCE client computer (2) according to scan instruction;
4. the USB scanner drives (22) and drives USB scanner (23), obtains scan image data, and view data is returned to data transport service end (21);
5. data transport service end (21) is passed to the transfer of data client (13) on the Win2003 server (1) with view data; The latter returns to virtual TWAIN interface (12) with the view data of obtaining;
6. virtual TWAIN interface (12) converts raw image data to satisfactory data according to the TWAIN normalized definition, and returns to image acquisition application software (11).
2. according to claim 1ly under the remote desktop mode, realize method for scanning based on the WinCE system, it is characterized in that: said image acquisition application software (11) is the image software of support standard TWAIN interface.
3. according to claim 1ly under the remote desktop mode, realize method for scanning based on the WinCE system; It is characterized in that: said step being specially 2.: image acquisition application software (11) is called virtual TWAIN interface (12); Virtual TWAIN interface (12) is replied according to the TWAIN normalized definition; USB scanner (23) on image acquisition application software (11) needs driving WinCE client computer (2) is when obtaining image information, and virtual TWAIN interface (12) is just passed to transfer of data client (13) with scan instruction.
4. according to claim 1ly under the remote desktop mode, realize method for scanning based on the WinCE system; It is characterized in that: the 3. middle transfer of data client (13) of said step is passed to the data transport service end (21) on the WinCE client computer (2) through the mode of TCP/IP Network Transmission with view data.
5. according to claim 1ly under the remote desktop mode, realize method for scanning based on the WinCE system; It is characterized in that: the 5. middle data transport service end (21) of said step is passed to the transfer of data client (13) on the Win2003 server (1) through the mode of TCP/IP Network Transmission with view data.
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| CN2010102272996A CN102340513A (en) | 2010-07-15 | 2010-07-15 | WinCE system-based method for realizing scanning in remote desktop mode |
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| CN2010102272996A CN102340513A (en) | 2010-07-15 | 2010-07-15 | WinCE system-based method for realizing scanning in remote desktop mode |
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| CN102752281A (en) * | 2012-05-28 | 2012-10-24 | 福建升腾资讯有限公司 | Remote redirection method and system of TWAIN protocol |
| CN105700864A (en) * | 2014-11-28 | 2016-06-22 | 华为技术有限公司 | TWAIN protocol remote redirection method, apparatus and system |
| CN110933245A (en) * | 2019-11-21 | 2020-03-27 | 深信服科技股份有限公司 | Virtual machine, data transmission method, system, equipment and computer medium |
| CN112311943A (en) * | 2019-08-01 | 2021-02-02 | 深信服科技股份有限公司 | Data scanning optimization method, device and system and related components |
| CN116932415A (en) * | 2023-09-15 | 2023-10-24 | 统信软件技术有限公司 | Scanner application development method, computing device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102752281A (en) * | 2012-05-28 | 2012-10-24 | 福建升腾资讯有限公司 | Remote redirection method and system of TWAIN protocol |
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| CN105700864A (en) * | 2014-11-28 | 2016-06-22 | 华为技术有限公司 | TWAIN protocol remote redirection method, apparatus and system |
| CN112311943A (en) * | 2019-08-01 | 2021-02-02 | 深信服科技股份有限公司 | Data scanning optimization method, device and system and related components |
| CN112311943B (en) * | 2019-08-01 | 2023-02-03 | 深信服科技股份有限公司 | Data scanning optimization method, device and system and related components |
| CN110933245A (en) * | 2019-11-21 | 2020-03-27 | 深信服科技股份有限公司 | Virtual machine, data transmission method, system, equipment and computer medium |
| CN110933245B (en) * | 2019-11-21 | 2021-11-19 | 深信服科技股份有限公司 | Virtual machine, data transmission method, system, equipment and computer medium |
| CN116932415A (en) * | 2023-09-15 | 2023-10-24 | 统信软件技术有限公司 | Scanner application development method, computing device and storage medium |
| CN116932415B (en) * | 2023-09-15 | 2023-12-05 | 统信软件技术有限公司 | Scanner application development method, computing device and storage medium |
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Application publication date: 20120201 |