CN101140506A - Grating processing method and device - Google Patents
Grating processing method and device Download PDFInfo
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- CN101140506A CN101140506A CNA2007101223596A CN200710122359A CN101140506A CN 101140506 A CN101140506 A CN 101140506A CN A2007101223596 A CNA2007101223596 A CN A2007101223596A CN 200710122359 A CN200710122359 A CN 200710122359A CN 101140506 A CN101140506 A CN 101140506A
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Abstract
The present invention discloses a raster processing method and a device to improve data processing capacity of intelligent print data stream IPDS and make full use of processing capacity of the device. The method includes steps below: Receiving IPDS data, decomposing content data of the IPSD data into a plurality of IPDS data blocks and fulfilling raster operation to these IPDS data blocks. The present invention also discloses a raster processor.
Description
Technical field
The present invention relates to computing machine and electronic technology field, particularly relate to grating processing method and device.
Background technology
(Intelligent Printer Data Stream, IPDS) data are a kind of print protocol and descriptive languages based on the IBM main frame to intelligent printer data stream, are a kind of print data of streaming.Different with other printing descriptive language, the IPDS main frame just needs to establish direct links with printing device when printing begins, and obtain corresponding processing power and corresponding physical feature from printing device, send the IPDS data that need print processing to printing device according to processing power that obtains and physical features.
IPDS RIP is a kind of software that is used for rasterization process IPDS data.It is handled by the print data of IPDS form that main frame is sended over, generates to print relevant rasterisation dot array data.
The processing mode of existing IPDS data, owing to be confined to the restriction that the serial of IPDS data sends feature, corresponding IPDS RIP also is serial to the processing of the data object of IPDS, promptly the page of print job is explained and assemble all be serial.Basic mode is: receive a part of IPDS data, this part IPDS data are made an explanation, assemble, receive next part IPDS data then.Once can only handle a part of IPDS data, when the processing power of the hardware device of the device of operation IPDS RIP is very high, for example comprise a plurality of CPU, this device still uses a CPU to handle this part IPDS data, idle state may appear in other CPU, causes the wasting of resources.
The printing of present IPDS data generally all is applied in black and white and prints, IPDS data volume this moment shared ratio on the handling capacity of entire system is little, the speed that the mode of serial processing can the satisfy most of black and white printing device requirement of handling up, but, when supporting colored IPDS data, can cause the data volume of corresponding colour to increase considerably than the data volume of black and white along with production run is more and more to the requirement of colour.The serial processing ability of IPDS RIP can't satisfy the requirement of handling up of rear end high-speed equipment this moment, especially when the medium of these high speed output devices is web media since arbitrarily moment stop or starting outfit, this requires just more obvious.
Summary of the invention
The embodiment of the invention provides a kind of grating processing method and device, is used to improve the processing power of IPDS data, makes full use of the processing power of device.
A kind of grating processing method may further comprise the steps:
Receive intelligent printer data stream IPDS data;
Content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks;
Walk abreast described a plurality of IPDS data blocks are carried out the rasterisation operation.
A kind of device that is used to print control comprises:
Interface module is used to receive intelligent printer data stream IPDS data, and the content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks;
A plurality of processing modules are used for walking abreast described a plurality of IPDS data blocks are carried out the rasterisation operation;
Calling module is used for described a plurality of IPDS data blocks are distributed to described a plurality of processing module.
Description of drawings
Fig. 1 is the main method process flow diagram of rasterization process in the embodiment of the invention;
Fig. 2 is the structural drawing of the system that is used to carry out rasterization process in the embodiment of the invention;
Fig. 3 is the basic block diagram of print control unit in the embodiment of the invention;
Fig. 4 is the detailed structure view of print control unit in the embodiment of the invention;
Fig. 5 is the structural drawing of interface module in the embodiment of the invention;
Fig. 6 is the structural drawing of calling module in the embodiment of the invention;
Fig. 7 is the detailed method process flow diagram of rasterization process in the embodiment of the invention;
Fig. 8 is the synoptic diagram of rasterization process in the embodiment of the invention.
Embodiment
The embodiment of the invention adopts the parallel processing mode of IPDS data, improves the processing power of IPDS data.
To be called the IPDS data based on all data of intelligent printer data stream (IPDS) agreement in the embodiment of the invention, it comprises content-data and order data.Content-data is meant the data that are used for rasterization process.Order data is meant the data about the processing power of the print control unit that carries out rasterization process, mainly refers to query requests, response message that returns that print control unit receives and the abnormal information that initiatively reports etc.Content-data specifically comprises the IPDS data object and the attribute information relevant with rasterization process of clear data part.Attribute information comprises global property and local attribute, and local attribute specifically comprises multiple, as position attribution, reuse attribute etc.IPDS data block in the embodiment of the invention comprises one or more IPDS data objects and corresponding local attribute.
Referring to Fig. 1, the main method flow process of rasterization process is as follows in the present embodiment:
Step 101: receive the IPDS data.Concrete mode is the packet that receives IPDS, extracts data division then from the packet of IPDS, obtains the IPDS data.The main concern receives later flow process in the present embodiment, so receiving course is only done concise and to the point description.
Step 102: the content-data in the IPDS data after will explaining is decomposed into a plurality of IPDS data blocks.
Step 103: walk abreast a plurality of IPDS data blocks that obtain are carried out rasterization process.
Referring to Fig. 2, the system that is used to carry out rasterization process in the present embodiment comprises IPDS main frame 201 and print control unit 202.
IPDS main frame 201 is used for sending the IPDS data that need rasterization process to print control unit 202, can continually send, do not need to wait for the response message of print control unit 202 about the rasterization process success, concrete content-data and the inquiry request message of sending, and determine whether to continue to send the content-data that content-data and concrete needs send according to the message that the response message of receiving and print control unit 202 initiatively report.For example, under normal circumstances IPDS main frame 201 sends the IPDS data with the form of data stream, takes place may need to retransmit some IPDS data when unusual when knowing, perhaps stops sending the IPDS data when knowing when making a mistake.
Wherein, referring to shown in Figure 3, print control unit 202 comprises interface module 301, calling module 302 and a plurality of processing module 303.
A plurality of processing modules 303 are used for walking abreast described a plurality of IPDS data blocks are carried out the rasterisation operation.The quantity of processing module 303 is determined by the quantity of the object instance that is pre-created, for concerning one to one.Can be according to hardware configuration and/or the current definite quantity that needs the object instance of establishment of running environment, to make full use of available resource.Wherein, the quantity of hardware configuration and CPU, the factors such as size of internal memory are relevant, and factor such as the quantity of current running environment and current pending task or type is relevant.A simple implementation is the corresponding object instance of a CPU.
Below each module in the print control unit 202 is done further refinement.
Referring to Fig. 5, interface module 301 comprises interface unit 501, inquiry response unit 502 and resolving cell 503.
Interface unit 501 is used for and IPDS main frame 201 mutual IPDS data.
Inquiry response unit 502 is used for the inquiry request message of the IPDS data after explaining is sent to calling module 302, and the response message that calling module 302 returns is sent to IPDS main frame 201 by interface unit 501.
Resolving cell 503 is used for the content-data of IPDS data is decomposed, obtain a plurality of IPDS data blocks, particularly be decomposed into independent non-coupling a plurality of IPDS data blocks, and adhere to each IPDS data block separately after the global property in the content-data duplicated many parts.Wherein, resolving cell 503 knows to have independent non-coupling IPDS data block by the IPDS data being carried out lexical analysis.
And resolving cell 503 can directly send to calling module 302 with the IPDS data block that obtains after decomposing, and by calling module 302 a plurality of IPDS data blocks is distributed to each processing module 303; Perhaps, the IPDS data block that resolving cell 503 will obtain after will decomposing sends to cache module 304 and preserves, monitor by 302 pairs of cache modules 304 of calling module, when the IPDS data block after the discovery existence decomposition, the IPDS data block is distributed to each processing module 303.
Referring to Fig. 6, calling module 302 comprises Dispatching Unit 601, merge cells 602 and collector unit 603.
Dispatching Unit 601 is used for a plurality of IPDS data blocks are distributed to each processing module 303.The mode of distribution has multiple, as IPDS data block of the same type is distributed to same processing module 303, concrete mode is distributed to same processing module 303 as the IPDS data block with image type, and the IPDS data block of literal type is distributed to same processing module 303; Perhaps, as a plurality of IPDS data blocks are distributed to each processing module 303 successively; Perhaps, as an IPDS data block being distributed to the current processing module 303 of idle condition that is, distribute modes such as a plurality of IPDS data blocks successively.
Merge cells 602 is used for the many parts of grating lattice data that a plurality of processing modules 303 carry out obtaining after the rasterization process are merged, and especially will merge about many parts of grating lattice data of the same page.Merge cells 602 can be further with the grating lattice data storage after merging to cache module 304, perhaps it is outputed to output module 305, as printing equipment etc.
Collector unit 603 is used for active collection or collects information such as processing power about each processing module 303, treatment state according to the inquiry request message that IPDS main frame 201 sends, as the quantity of processing module 303, be in the quantity of the processing module 303 of idle condition, sign and the relevant IPDS data that abnormity processing module 303 takes place etc. at present.For example; when IPDS main frame 201 is inquired the duty of print control units 202; unusual or mistake took place as long as collect a processing module 303; then report print control unit 202 that unusual or mistake take place; be in normal operating conditions as long as perhaps collect a processing module 303; then report print control unit 202 working properly, perhaps report the duty of print control unit 202 in detail.
Present embodiment is to be that example is described in detail with described print control unit 202 as a device.Each functional module in the described print control unit 202 can be positioned at a plurality of equipment entity, be positioned at a separate equipment entity as the interface module in the print control unit 202 301, Dispatching Unit 601 and output module 305 etc., merge cells 602 is positioned at equipment entity such as printer or duplicating machine.
Each module in the present embodiment all shows as an independently thread in operating system, realize parallel processing, is convenient to the management and the use of resource.
More than print control unit 202 is described in detail, below grating processing method is described in detail, referring to shown in Figure 7, the concrete grammar flow process is as follows:
Step 701: print control unit 202 obtains the configuration information (as the network address and port information etc.) of IPDS main frame 201, and connects by handshake method and IPDS main frame 201.
Step 702:IPDS main frame 201 sends the IPDS data with the form of data stream to print control unit 202.
Step 703: print control unit 202 receives the IPDS data.
Step 704: print control unit 202 is the non-coupling IPDS data blocks of a plurality of independences with the IPDS data decomposition of serial, is convenient to independently each IPDS data block be carried out rasterization process.
Step 705: in decomposable process, adhere to each IPDS data block separately after print control unit 202 duplicates many parts with global property.Owing to the employed global property of a plurality of IPDS data objects can change along with processing such as the explanation of follow-up IPDS data and decomposition, be the unusual or mistake of avoiding this change to cause, thus carry out this replicate run, to support independent processing truly.
After operation splitting finishes, can continue step 703, and carry out step 706 simultaneously.
Step 706: what print control unit 202 walked abreast carries out rasterization process according to the local attribute in each IPDS data block to corresponding IPDS data object respectively, obtains the grating lattice data.Handle when having realized a large amount of IPDS data, improved processing speed.
Can directly export the grating lattice data of acquisition according to actual needs.Perhaps, continue step 707 according to actual needs.
Step 707: print control unit 202 will be merged into a grating lattice data about many parts of grating lattice data of the same page.Wherein, comprise the identifier that the initial sum about the data stream of a width of cloth page stops in the content-data that IPDS main frame 201 sends, print control unit 202 can be known the IPDS data block and the corresponding grating lattice data of the corresponding same page according to this identifier.
Step 708: the grating lattice data after print control unit 202 is combined according to concrete actual needs are handled accordingly, as the grating lattice data are outputed to printing equipment, copy device etc.
In the present embodiment, step 703 to step 706 can be carried out synchronously, concrete mode is: when receiving the IPDS data, the IPDS data are carried out lexical analysis, when in analytic process, obtaining to have one section IPDS data of independent nothing coupling character, determine that this section IPDS data are an IPDS data block, and this IPDS data block is carried out rasterization process.This implementation makes from receiving the IPDS data to rasterization process, and the data after rasterization process merge, and is the parallel processing process, and the IPDS processing speed of data is greatly improved.
Present embodiment provides the signal of parallel processing example of the IPDS data of a serial, is convenient to clearly understand this programme, referring to shown in Figure 8.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. a grating processing method is characterized in that, may further comprise the steps:
Receive intelligent printer data stream IPDS data;
Content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks;
Walk abreast described a plurality of IPDS data blocks are carried out the rasterisation operation.
2. grating processing method as claimed in claim 1 is characterized in that, the operation of described reception IPDS data is carried out synchronously with the operation that the content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks.
3. grating processing method as claimed in claim 1 is characterized in that, the operation that the content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks comprises step: the sign in the content-data that the described IPDS data of foundation comprise is decomposed.
4. grating processing method as claimed in claim 1, it is characterized in that the operation that the content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks comprises step: the content-data in the described IPDS data is decomposed into independent non-coupling a plurality of IPDS data blocks.
5. grating processing method as claimed in claim 1, it is characterized in that, the operation that content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks comprises step: global property relevant with described a plurality of IPDS data blocks in the content-data in the described IPDS data is duplicated many parts, and belong to described a plurality of IPDS data block respectively.
6. grating processing method as claimed in claim 1 is characterized in that, the quantity of described a plurality of IPDS data blocks is to determine according to the quantity of the object instance that is pre-created.
7. grating processing method as claimed in claim 6 is characterized in that the quantity of described object instance is according to hardware configuration, perhaps determines according to hardware configuration and current running environment.
8. as each described grating processing method among the claim 1-7, it is characterized in that, parallel described a plurality of IPDS data blocks are carried out the rasterisation operation after, according to the position attribution in described a plurality of IPDS data blocks, in the data that described a plurality of IPDS data blocks are carried out obtaining after the rasterisation operation, with the data merging of the same page of correspondence.
9. grating processing method as claimed in claim 1, it is characterized in that, also comprise step: according to the attribute of reusing in the described IPDS data block, determine to discharge described IPDS data block, perhaps determine to preserve data object and local attribute in the described IPDS data block.
10. grating processing method as claimed in claim 1 is characterized in that, also comprises step: when described IPDS data comprise order data, according to the information of described order data inquiry about described a plurality of IPDS data blocks, and return response message.
11. grating processing method as claimed in claim 1 is characterized in that, also comprises step: obtain abnormal information, and report about described a plurality of IPDS data blocks.
12. a device that is used to print control is characterized in that, comprising:
Interface module is used to receive intelligent printer data stream IPDS data, and the content-data in the described IPDS data is decomposed into a plurality of IPDS data blocks;
A plurality of processing modules are used for walking abreast described a plurality of IPDS data blocks are carried out the rasterisation operation;
Calling module is used for described a plurality of IPDS data blocks are distributed to described a plurality of processing module.
13. device as claimed in claim 12 is characterized in that, also comprises:
Cache module is used to preserve the data after described IPDS data, described a plurality of IPDS data blocks and rasterisation are operated.
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| CN 200710122359 CN101140506B (en) | 2007-09-24 | 2007-09-24 | Grating processing method and device |
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| CN 200710122359 CN101140506B (en) | 2007-09-24 | 2007-09-24 | Grating processing method and device |
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| CN101140506A true CN101140506A (en) | 2008-03-12 |
| CN101140506B CN101140506B (en) | 2012-12-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156622A (en) * | 2010-02-11 | 2011-08-17 | 北大方正集团有限公司 | Method and device for processing printing task |
| CN102194211A (en) * | 2010-01-29 | 2011-09-21 | 柯尼卡美能达商用科技株式会社 | Image processing apparatus, recording medium for storing program and image processing method |
| CN102200896A (en) * | 2010-03-23 | 2011-09-28 | 富士施乐株式会社 | Printing control device, image forming system and image processing method |
| CN104572596A (en) * | 2013-10-25 | 2015-04-29 | 北大方正集团有限公司 | Rasterization processing method, processing device and processing system |
| CN110245139A (en) * | 2019-06-11 | 2019-09-17 | 北京小米移动软件有限公司 | Data sharing method, device and storage medium |
-
2007
- 2007-09-24 CN CN 200710122359 patent/CN101140506B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194211A (en) * | 2010-01-29 | 2011-09-21 | 柯尼卡美能达商用科技株式会社 | Image processing apparatus, recording medium for storing program and image processing method |
| CN102156622A (en) * | 2010-02-11 | 2011-08-17 | 北大方正集团有限公司 | Method and device for processing printing task |
| CN102156622B (en) * | 2010-02-11 | 2013-04-17 | 北大方正集团有限公司 | Method and device for processing printing task |
| CN102200896A (en) * | 2010-03-23 | 2011-09-28 | 富士施乐株式会社 | Printing control device, image forming system and image processing method |
| US8928912B2 (en) | 2010-03-23 | 2015-01-06 | Fuji Xerox Co., Ltd. | Printing control device, image forming system and computer readable medium storing program |
| CN102200896B (en) * | 2010-03-23 | 2015-09-09 | 富士施乐株式会社 | Print control unit, image formation system and image processing method |
| CN104572596A (en) * | 2013-10-25 | 2015-04-29 | 北大方正集团有限公司 | Rasterization processing method, processing device and processing system |
| CN110245139A (en) * | 2019-06-11 | 2019-09-17 | 北京小米移动软件有限公司 | Data sharing method, device and storage medium |
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| CN101140506B (en) | 2012-12-05 |
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Effective date of registration: 20220621 Address after: 100871 No. 5, the Summer Palace Road, Beijing, Haidian District Patentee after: Peking University Patentee after: New founder holdings development Co.,Ltd. Patentee after: BEIJING FOUNDER ELECTRONICS Co.,Ltd. Address before: 100871 No. 5, the Summer Palace Road, Beijing, Haidian District Patentee before: Peking University Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: BEIJING FOUNDER ELECTRONICS Co.,Ltd. |
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