CN101140506B - Grating processing method and device - Google Patents

Grating processing method and device Download PDF

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Publication number
CN101140506B
CN101140506B CN 200710122359 CN200710122359A CN101140506B CN 101140506 B CN101140506 B CN 101140506B CN 200710122359 CN200710122359 CN 200710122359 CN 200710122359 A CN200710122359 A CN 200710122359A CN 101140506 B CN101140506 B CN 101140506B
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China
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data
ipds
ipds data
data blocks
processing method
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CN 200710122359
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CN101140506A (en
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朱喧
房翠华
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New Founder Holdings Development Co ltd
Peking University
Beijing Founder Electronics Co Ltd
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Peking University
Peking University Founder Group Co Ltd
Beijing Founder Electronics Co Ltd
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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

A kind of grating processing method and device
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 need be established direct links with PRN device when printing begins; And obtain corresponding processing ability and corresponding physical characteristic from PRN device, the IPDS data that need print processing to the PRN device transmission 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 through 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 characteristic is sent in the serial of IPDS data, 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 this part of CPU processing IPDS data; Idle state possibly 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 PRN 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 said IPDS data is decomposed into a plurality of IPDS data blocks; The IPDS data block comprises one or more IPDS data objects and corresponding local attribute;
Walk abreast said a plurality of IPDS data blocks are carried out the rasterisation operation;
According to the position attribution in said a plurality of IPDS data blocks, in the data that said a plurality of IPDS data blocks are carried out obtaining after the rasterisation operation, with the data merging of the same page of correspondence.
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 said IPDS data is decomposed into a plurality of IPDS data blocks; The IPDS data block comprises one or more IPDS data objects and corresponding local attribute;
A plurality of processing modules are used for walking abreast said a plurality of IPDS data blocks are carried out the rasterisation operation;
Calling module; Be used for said a plurality of IPDS data blocks are distributed to said a plurality of processing module; And according to the position attribution in said a plurality of IPDS data blocks, in the data that said a plurality of IPDS data blocks are carried out obtaining after the rasterisation operation, with the data merging of the same page of correspondence.
Print control unit 202 in the embodiment of the invention reply with connection, the reception of data, the host query of IPDS main frame mutual on do not change, show compatibility with existing apparatus.The user still can adopt original use-pattern to the use of IPDSRIP system, is convenient to the operation and maintenance to IPDS RIP system.The embodiment of the invention is that the inside of print control unit 202 is improved; Change the original serial processing mode into the parallel processing mode; Significantly optimized the overall performance of IPDS RIP system, made it can satisfy the user the more requirement or the more requirement of the high speed output device of horn of plenty of color of high speed output device.
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, like 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 following in the present embodiment:
Step 101: receive the IPDS data.Concrete mode is the packet that receives IPDS, from the packet of IPDS, extracts data division then, 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 needing to print control unit 202 transmissions to be used for the IPDS data of rasterization process; Can continually send; Need not wait for that print control unit 202 is about rasterization process response of successful message; Concrete content-data and the inquiry request message of sending, and determine whether to continue to send the content-data of content-data and the transmission of concrete needs according to the message that 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 possibly need to retransmit some IPDS data when unusual when knowing, perhaps stops sending the IPDS data when knowing when making a mistake.
Print control unit 202 is used to move IPDS RIP system, receives intelligent printer data stream IPDS data, and the content-data in the said IPDS data is decomposed into a plurality of IPDS data blocks, and parallel said a plurality of IPDS data blocks is carried out the rasterisation operation.This print control unit 202 can be positioned at equipment such as printer, duplicating machine.Perhaps, this print control unit 202 is an independent community.
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.
Interface module 301 is used for connecting with IPDS main frame 201, receives the IPDS data, and the content-data in the said IPDS data is decomposed into a plurality of IPDS data blocks.
A plurality of processing modules 303 are used for walking abreast said a plurality of IPDS data blocks are carried out the rasterisation operation.The quantity of processing module 303 is confirmed by the quantity of the object instance of creating in advance, 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.
Calling module 302 is used for said a plurality of IPDS data blocks are distributed to said a plurality of processing module 303.The data with rasterized that calling module 302 can further carry out a plurality of processing modules 303 to obtain after the rasterization process merges, and obtains the data with rasterized of the complete page.And when receiving that interface module 301 is transmitted the inquiry request message of IPDS main frame 201 transmissions, calling module 302 is collected the information of corresponding a plurality of processing module 303 according to inquiry request message, and carries out returning response message after the statistical study.
Print control unit 202 also comprises cache module 304; Referring to shown in Figure 4; Cache module 304 is used for all inner IPDS data of storage print control device 202, comprises grating lattice data that IPDS data, each processing module 303 of obtaining after the decomposition carry out obtaining after the rasterization process, and calling module 302 grating lattice data of carrying out obtaining behind the union operation etc.This cache module 304 is the buffer zone of global nature, but its storage space dynamic change.Deletion by the IPDS data of storage in the calling module 302 control cache modules 304; For example delete the IPDS data block of having distributed; Deletion has outputed to the grating lattice data of external device (ED), keeps reusable IPDS data object or the corresponding grating lattice data of this IPDS data object according to reusing attribute.
Print control unit 202 also comprises output module 305, and the data with rasterized that this output unit 305 obtains after being used for calling module 302 merged outputs to external device (ED), as outputs to printing equipment etc.
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 through 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 through 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 finding to have the IPDS data block after decomposing, 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 like 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, like 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, like 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; As long as collect a processing module 303 unusual or mistake taking place, and then reported print control unit 202 that unusual or mistake take place, was in normal operating conditions as long as perhaps collect a processing module 303; Then report print control unit 202 in proper working order, perhaps report the duty of print control unit 202 in detail.
Present embodiment is to be that example is described in detail with said print control unit 202 as a device.Each functional module in the said print control unit 202 can be positioned at a plurality of equipment entity; Be positioned at a separate equipment entity like 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 has been carried out detailed description, down carry out detailed description in the face of grating processing method, referring to shown in Figure 7, the concrete grammar flow process is following:
Step 701: print control unit 202 obtains the configuration information (like the network address and port information etc.) of IPDS main frame 201, and connects through 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 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, in the content-data that IPDS main frame 201 sends, comprise the identifier that the initial sum about the data stream of a width of cloth page stops, 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.
Print control unit 202 can determine whether to carry out subsequent step according to actual needs.
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; Confirm 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 instance of the IPDS data of a serial, is convenient to clearly understand this programme, referring to shown in Figure 8.
Print control unit 202 in the embodiment of the invention reply with connection, the reception of data, the host query of IPDS main frame mutual on do not change, show compatibility with existing apparatus.The user still can adopt original use-pattern to the use of IPDSRIP system, is convenient to the operation and maintenance to IPDS RIP system.The embodiment of the invention is that the inside of print control unit 202 is improved; Change original rasterisation serial processing mode into the parallel processing mode; Significantly optimized the overall performance of IPDS RIP system, made it can satisfy the user the more requirement or the more requirement of the high speed output device of horn of plenty of color of high speed output device.And the embodiment of the invention has further realized synchronous execution in this three step of reception IPDS data, decomposition IPDS data and rasterisation operation, on the basis of parallel rasterization process IPDS data, processing power is optimized once more.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

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 said IPDS data is decomposed into a plurality of IPDS data blocks; The IPDS data block comprises one or more IPDS data objects and corresponding local attribute;
Walk abreast said a plurality of IPDS data blocks are carried out the rasterisation operation;
According to the position attribution in said a plurality of IPDS data blocks, in the data that said a plurality of IPDS data blocks are carried out obtaining after the rasterisation operation, with the data merging of the same page of correspondence.
2. grating processing method as claimed in claim 1 is characterized in that, the operation of said reception IPDS data is carried out with the operation that the content-data in the said IPDS data is decomposed into a plurality of IPDS data blocks synchronously.
3. grating processing method as claimed in claim 1 is characterized in that, the operation that the content-data in the said IPDS data is decomposed into a plurality of IPDS data blocks comprises step: the sign in the content-data that the said 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 said IPDS data is decomposed into a plurality of IPDS data blocks comprises step: the content-data in the said 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 said IPDS data is decomposed into a plurality of IPDS data blocks comprises step: with duplicating many parts with the relevant global property of said a plurality of IPDS data blocks in the content-data in the said IPDS data, and belong to said a plurality of IPDS data block respectively.
6. grating processing method as claimed in claim 1 is characterized in that, the quantity of said a plurality of IPDS data blocks is to confirm according to the quantity of the object instance of creating in advance.
7. grating processing method as claimed in claim 6 is characterized in that the quantity of said object instance is according to Hardware configuration, perhaps confirms according to Hardware configuration and current running environment.
8. grating processing method as claimed in claim 1; It is characterized in that; Also comprise step: according to the attribute of reusing in the said IPDS data block, confirm to discharge said IPDS data block, perhaps confirm to preserve data object and the local attribute in the said IPDS data block.
9. grating processing method as claimed in claim 1 is characterized in that, also comprises step: when said IPDS data comprise order data, according to the information of said order data inquiry about said a plurality of IPDS data blocks, and return response message.
10. grating processing method as claimed in claim 1 is characterized in that, also comprises step: obtain the abnormal information about said a plurality of IPDS data blocks, and report.
11. 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 said IPDS data is decomposed into a plurality of IPDS data blocks; The IPDS data block comprises one or more IPDS data objects and corresponding local attribute;
A plurality of processing modules are used for walking abreast said a plurality of IPDS data blocks are carried out the rasterisation operation;
Calling module; Be used for said a plurality of IPDS data blocks are distributed to said a plurality of processing module; And according to the position attribution in said a plurality of IPDS data blocks, in the data that said a plurality of IPDS data blocks are carried out obtaining after the rasterisation operation, with the data merging of the same page of correspondence.
12. device as claimed in claim 11 is characterized in that, also comprises:
Cache module is used to preserve the data after said IPDS data, said a plurality of IPDS data blocks and rasterisation are operated.
CN 200710122359 2007-09-24 2007-09-24 Grating processing method and device Expired - Fee Related CN101140506B (en)

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Publication number Priority date Publication date Assignee Title
JP2011158951A (en) * 2010-01-29 2011-08-18 Konica Minolta Business Technologies Inc Image processing apparatus, program, and image processing method
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
JP5605746B2 (en) * 2010-03-23 2014-10-15 富士ゼロックス株式会社 Print control apparatus, image forming system, and program
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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