CN109664620A - Print data processing method, device and equipment - Google Patents
Print data processing method, device and equipment Download PDFInfo
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- CN109664620A CN109664620A CN201811491143.1A CN201811491143A CN109664620A CN 109664620 A CN109664620 A CN 109664620A CN 201811491143 A CN201811491143 A CN 201811491143A CN 109664620 A CN109664620 A CN 109664620A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
- B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/60—Memory management
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Record Information Processing For Printing (AREA)
Abstract
The invention discloses a kind of print data processing method, device and equipment.The present invention carries out image data to be printed according to software treatment channel to split into image data；By described image data, logically treatment channel Distribution dynamics split into several pieces sub-image data；In memory according to the corresponding storage of logical process channel Distribution dynamics by sub-image data described in several pieces.The speed of image data extraction when the present invention improves printing, saves the time, improves printing effect.
Description
Technical field
The present invention relates to printing technique field more particularly to a kind of print data processing methods, device and equipment.
Background technique
Inkjet printing technology, which refers to, is ejected into ink droplet on print media to obtain image or text by the nozzle on spray head
The technology of word, with the development of ink-jet technology, requirement of the people to inkjet printing is also higher and higher, does not require nothing more than printing precision height
And require print speed fast, therefore the printing device of more spray heads occur, it is this large size printing device due to spray head is more can
High-precision product is quickly printed, but with the increasing of spray head quantity, the promotion of print speed, to the print data amount of needs
Increase, to the greatest extent the processing distributed tasks of print data is increased.If still only with software treat print image data according to
Spray nozzle rule carry out in advance deconsolidation process at, can low cost by the powerful operation of computer and a large amount of memory sources
Realization data split delay disposal, but since treatment process is related to a large amount of bit manipulation, will be greatly reduced image processing speed,
To reduce print speed, it can not meet the demand of current flying print.If only with hardware treat print image data by
Deconsolidation process is carried out according to spray nozzle rule, the advantage of programmable logic device alignment operation can be efficiently used, but split and prolong
The operation handled late needs a large amount of internal storage, and cost will greatly increase.
Summary of the invention
The embodiment of the invention provides print data processing method, device and equipment, print in the prior art to solve
When data volume is big, only software processing or only hardware handles print data speed slowly to the greatest extent and the problem that causes printing effect low.
In a first aspect, the embodiment of the invention provides a kind of print data processing methods, which comprises
Image to be printed is split into image data according to software treatment channel；
By described image data, logically treatment channel Distribution dynamics split into several pieces sub-image data；
In memory according to the corresponding storage of logical process channel Distribution dynamics by sub-image data described in several pieces.
Preferably, logical process channel Distribution dynamics include: when the corresponding spray head of software treatment channel,
At least one logical process channel is distributed for the column nozzle on a spray head is corresponding；When a software treatment channel is corresponding a kind of
When color, then a spray head is corresponding distributes at least one logical process channel；When one software treatment channel is one corresponding
When data processor, then a spray head or a column nozzle on a spray head or a kind of color is corresponding distributes at least one logic
Manage channel.
Preferably, described image to be printed split into image data according to software treatment channel and described by the figure
As logically treatment channel Distribution dynamics are split between several pieces sub-image data data, the method also includes:
By described image data in the way of fifo queue described in normal print mode or insertion printing model deposit
In memory；
Wherein, the normal print mode indicates described image data according to fifo queue Sequential output, and the insertion is beaten
Other task datas are inserted into watermark patterns expression in the output stream of the normal print mode.
Preferably, described image data are printed in the way of fifo queue with normal print mode or insertion described
Before mode is stored in the memory, the method also includes:
Described image data are sent in sequence in slave computer by host computer.
Preferably, which is characterized in that the method also includes:
Obtain the offset parameter and number Rc in the logical process channel for currently needing to read；
It is corresponding that the logical process channel for obtaining and currently needing to read is calculated according to the offset parameter and the number Rc
The actual storage address of data in the memory；
According to the corresponding sub-image data of the actual storage address extraction.
Preferably, the acquisition currently needs the number Rc in the logical process channel read to include:
Lc-Lco=Rc
Wherein, Lc indicates that address obtains the value of counter, and Lco indicates the current logical process channel for needing to read
Offset parameter.
Preferably, described to calculate the logical process for obtaining and currently needing to read according to the offset parameter and the number Rc
Calculation formula in the actual storage address of the corresponding data in channel in the memory are as follows:
(Rc × Sc × Sp+Lcs) × Lcn+Fa=La
Wherein, Sc indicates the total quantity in logical process channel, and Sp indicates the total quantity of software treatment channel, and Lcs expression is worked as
Before the logical process channel to be read number, Lcn indicates that the corresponding data length in single logical process channel, Fa indicate data
The initial address of storage, La indicate the actual storage address of the current corresponding data in logical process channel for needing to read.
Preferably, the method also includes:
The each interface for obtaining driver transmits the number of the sub-image data；
Sub-image data described in several pieces is sent in sequence in the spatial cache of corresponding interface；
Data in the spatial cache are combined into the print data output printing of predetermined format.
Second aspect, the embodiment of the invention provides a kind of print data processing apparatus, device includes:
First data split module, for image to be printed to be split into image data according to software treatment channel；
Second data split module, for by described image data logically treatment channel Distribution dynamics split into it is several
One's share of expenses for a joint undertaking image data；
Data memory module is used for sub-image data described in several pieces according to logical process channel Distribution dynamics pair
It should be stored.
The third aspect, the embodiment of the invention provides a kind of print data processing equipments, comprising: at least one processor,
At least one processor and computer program instructions stored in memory, when computer program instructions are executed by processor
The method of first aspect in Shi Shixian such as above embodiment.
In conclusion print data processing method provided in an embodiment of the present invention, device and equipment, the present invention is by will be to
Print image data carries out just splitting into image data according to software treatment channel, then distributes and advises according still further to logical process channel
Rule carries out splitting into several pieces sub-image data, treats print image data by the combination of software and hardware and carries out at fractionation
Reason, improves the speed of data processing, saves the time, improves printing effect.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of the print control system of the embodiment of the present invention.
Fig. 2 is the flow chart of the print data processing method of first embodiment of the invention.
Fig. 3 is the flow chart of the print data processing method of second embodiment of the invention.
Fig. 4 is that the image data of the print data processing method of first embodiment of the invention splits schematic diagram.
Fig. 5 is the data structure schematic diagram of the print data processing method of first embodiment of the invention.
Fig. 6 is the data structure schematic diagram of the print data processing method of first embodiment of the invention.
Fig. 7 is the flow chart of the print data processing method of third embodiment of the invention.
Fig. 8 is the flow chart of the print data processing method of fourth embodiment of the invention.
Fig. 9 is the structural schematic diagram of the print data processing equipment of the embodiment of the present invention.
Figure 10 is the structural schematic diagram of the print data processing equipment of the embodiment of the present invention.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is further retouched in detail
It states.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting the present invention.
To those skilled in the art, the present invention can be real in the case where not needing some details in these details
It applies.Below the description of embodiment is used for the purpose of better understanding the present invention to provide by showing example of the invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Print data processing method in the present invention can be in the all-in-one machine including image processor and print control system
Middle realization can also be realized in the separated separation equipment of both image processor and print control system.Wherein, described image
Processor is the mimeograph documents that can identify image procossing to be printed at printing machine, and the mimeograph documents include that control is beaten
Printing apparatus movement various parameters and image data to be printed, described image processor by image procossing to be printed to be printed
Image data can be split into when image data according to the software treatment channel, while can also logically treatment channel be incited somebody to action
Described image data are processed into sub-image data, be then directly inputted to print control system carry out inkjet printing, but in this way when
When spray head is more, the data processing amount of described image processor will be very big, then the speed of data processing at this time will decline, influence
The printing of print control system.
Referring to Fig. 1, in the present embodiment, the print control system 100 includes at least one master board 110, extremely
A few spray sweep 120, at least one spray head 140, the spray sweep 120 respectively with the master board 110 and the spray head
140 connections, the spray head driving plate 130 and the spray head 140 connect, and described image processor is pressed by image data to be printed
It is split into after image data according to the software treatment channel and is sent to print control system 100, the spray in print control system 100
Sweep 120 again splits described image data according to the logical process channel, when the number of spray head 140 is more, can subtract
The data processing amount of light described image processor, improves data processing speed.In another variant embodiment, the print control
System 100 further includes at least one 140 driving plate 130 of spray head, the spray head driving plate 130 respectively with the spray sweep 120 and
The spray head 140 connects, and the spray head driving plate 130 can separate the sub-image data further progress, then send
Inkjet printing is carried out to spray head 140.
Fig. 2 is referred to, the embodiment of the invention provides a kind of print data processing method, this method is by by figure to be printed
Image data is split into as at the beginning of data are carried out according to software treatment channel, is then carried out according still further to logical process channel Distribution dynamics
Several pieces sub-image data is split into, print image data is treated by the combination of software and hardware and carries out deconsolidation process, is improved
The speed of data processing, saves the time, improves printing effect.The print data processing method specifically includes following step
It is rapid:
S1, image to be printed is split into image data according to software treatment channel；
S2, by described image data, logically treatment channel Distribution dynamics split into several pieces sub-image data；
S3, sub-image data described in several pieces is stored in memory according to logical process channel Distribution dynamics correspondence
In.Then the sub-image data stored in memory is extracted to carry out deconsolidation process again to spray head driver or be directly inputted to spray
Head carries out inkjet printing.
Wherein, the software treatment channel is to require to be defined according to printing device and printing, the software
The corresponding spray head for the treatment of channel or one of a column nozzle or inkjet printing color or a data processor.When an institute
When stating the corresponding spray head of software treatment channel, extracts to directly input spray head after the sub-image data and carry out ink-jet and beat
Print；When the corresponding column nozzle of a software treatment channel, then sub-image data described in several pieces is being stored in storage
Spray head is directly inputted after in device carries out inkjet printing；When one processor of software treatment channel correspondence, then inciting somebody to action
After the storage in memory of sub-image data described in several pieces, extracts the sub-image data and torn open again to spray head driver
Dividing processing, then input spray head carries out inkjet printing.
Specifically, image to be printed is split into image data according to software treatment channel in the image processor, one
The corresponding a image data of software treatment channel.Then by described image data logically treatment channel Distribution dynamics carry out
Deconsolidation process, in the present embodiment, the deconsolidation process of described image data are receiving while processing, and described image data are from institute
State in image processor it is a be sent in print control system, print control system receives a described image number
Deconsolidation process is carried out according to the logical process channel immediately after；In another variant embodiment, described image data are torn open
Dividing processing is that every part of described image data have been carried out deconsolidation process after print control system has received all image datas.More
Further, logical process channel Distribution dynamics include: when the corresponding spray head of a software treatment channel, are one
Corresponding at least one logical process channel of distribution of a column nozzle on spray head, when a column nozzle only corresponding a print out task,
Then distribute a logical channel for a column nozzle, such data processing is fast and is not easy confusion, but when a column nozzle it is corresponding two parts or
When more print out task, then logical channel corresponding with print out task is distributed for a column nozzle, so that a print out task pair
A logical process channel is answered, ensure that managing independently for each print out task；When a software treatment channel corresponds to a kind of face
When color, then a spray head is corresponding distributes at least one logical process channel, when such as printing color image, needs to print a variety of face
Color, in printing device include C (cyan), M (magenta), Y (yellow), K (black) four kinds of colors spray head, image processor
It can be split according to color, then again be split each color according to spray head in advance；When the processing of one software
When the corresponding data processor in channel, then a spray head or a column nozzle on a spray head or a kind of corresponding distribution of color be extremely
A few logical process channel, if distributed printing once connects multiple printing devices, each printing device has a data
Processor, image processor can be split according to data processor at this time, then each printing device carry out again spray head or
The fractionation of color or nozzle rows.The sub-image data is also the Distribution dynamics of logically treatment channel in memory simultaneously
It is stored.It is convenient for the storage and extract management of data in this way, improves the speed of data processing.Wherein, the memory
It can be external memory, be also possible to memory storage, such as DDR, the concrete type of the memory does not do specific limit herein
It is fixed.
Preferably, referring to Fig. 3, between the step S1 and the step S2, the method also includes:
S11, described image data are stored in the way of fifo queue with normal print mode or insertion printing model
In the memory；
Wherein, the normal print mode indicates described image data according to fifo queue Sequential output, and the insertion is beaten
Other task datas are inserted into watermark patterns expression in the output stream of the normal print mode.
Preferably, before the step S11, the method also includes:
Described image data are sent in sequence in slave computer by S10, host computer.
In the present embodiment, the host computer includes described image processor, and the slave computer includes the print control
System, the image data to be printed carry out deconsolidation process at sending after image data according to software treatment channel in host computer
Into slave computer, deconsolidation process is carried out again in slave computer.Specifically, referring to Fig. 4, being stored according to software treatment channel
Before, described image data according to 8 pixels on corresponding dot matrix image are classified as a data after handling according to image processor
Column split into P data column, and p is the integer more than or equal to 1, and the dot matrix image is 1bit gray scale at this time；Wherein, if it is described
When dot matrix image is 2bit gray scale, then the data column include 4 pixel columns, and the data column include how many a pictures
Element is listed in this and is not specifically limited.In the present embodiment, the corresponding spray head of one software treatment channel, at the software
Reason channel is denoted as SP_CH, then carries out deconsolidation process into image data, a spray head corresponding one according to spray head number in host computer
Part image data, referring to Fig. 5, spray head number is 16, total nozzle number on single spray head is 2656, and spray head is along main scanning side
Described image data-printing could be completed by needing to light a fire 4p times to run-down, wherein p indicates the number of data column, this reality
Data structure such as Fig. 5 of the described image data in example is applied, SP_CH0-0 indicates spray head when data are classified as the 1st column in data structure
1 corresponding data, SP_CH1-0 indicate that corresponding data ... the SP_CH15-0 of spray head 2 indicates data column when data are classified as the 1st column
The corresponding data of spray head 16 when arranging for the 1st, SP_CH1-1 indicate corresponding data ... the SP_ of spray head 1 when data are classified as the 2nd column
CH15-1 indicates the corresponding data of spray head 16 when data are classified as the 2nd column, and SP_CH1-p indicates that spray head 2 is right when data are classified as pth column
The data answered, BYTE0 indicate the corresponding data of first nozzle of spray head 1, and BYTE1 indicates that 1 second nozzle of spray head is corresponding
The 2656th corresponding data of nozzle of data ... BYTE2655 expression spray head 1；In the present embodiment, 1pass in slave computer
8 byte-aligned of call data storage, ensure that read 1PASS data when initial address do not limited by memory physical address
Lead to segmentation problem.Wherein, the host computer can be implemented in a variety of manners.For example, the host computer may include such as
Desktop computer, tablet computer, laptop, palm PC, personal digital assistant (Personal Digital
Assistant, PDA) etc. equipment.
Described image data can be by USB either PS (Processing System: processing system, with FPGA without
The part of the SOC of the ARM of pass) it is transferred to slave computer, when passing through USB transmission, described image data then need in slave computer
FIFO control module is cached by DDR to be written in DDR；When being transmitted by PS, then described image data are straight in slave computer
It connects in write-in memory.
In the present embodiment, if spray head along main scanning direction run-down be 1pass, the image data described in slave computer
It is to be read out as unit of PASS, reading data is controlled by memory, it is read always as long as memory is not stored completely, under
Reading data in the machine of position will also be controlled by data read command other than being controlled by memory, can only have reading data to refer to
Data are read in starting after order, and the length of reading is limited in 1PASS data, are stopped reading after running through and are read data life until next time starts
It enables, it is to realize inserting piling function between PASS, if do not controlled, junior's data buffer storage that data control is read in insertion in the present embodiment
Module is to cannot be distinguished data are which PASS belonged to, and the data of PASS below can not be inserted into front and go to handle, and
Data concrete function being read in the present embodiment, FIFO control module being cached to realize by DDR, output data presses 32bit, meets data
The timing standard for exporting AXIS interface, so that the input and output speed of data is fast, high-efficient.
Referring to Fig. 6, in the present embodiment, the column nozzle on the corresponding spray head of one logical channel is described
Logical process channel is denoted as LP-CH, then has 32 nozzle rows on single spray head, every in each data example in described image data
The corresponding data of a spray head are divided into 32 parts of sub-image datas, 4 byte-aligned of sub-image data, the subgraph number
According to length be 84BYTE, if Fig. 5 is the 1st corresponding data format of spray head in described image data, wherein LP-CH0-0
Indicate the corresponding data of the 1st nozzle rows when data are classified as the 1st column in the 1st spray head, LP-CH1-0 indicates that data are classified as the 1st column
When the 1st spray head in corresponding data ... the LP-CH31-0 of the 2nd nozzle rows indicate when data are classified as the 1st column in the 1st spray head
The corresponding data of the 32nd nozzle rows, LP-CH0-1 indicates that the 1st nozzle rows when data are classified as the 2nd column in the 1st spray head are corresponding
Data, LP-CH1-1 indicate data be classified as the 2nd column when the 1st spray head in corresponding data ... the LP- of the 2nd nozzle rows
CH31-1 indicates the corresponding data of the 32nd nozzle rows when data are classified as the 2nd column in the 1st spray head, and LP-CH0-p indicates data column
The corresponding data of the 1st nozzle rows when pth column in the 1st spray head.
Referring to Fig. 7, in the present embodiment, the method also includes:
The offset parameter and number Rc in the logical process channel that S71, acquisition currently need to read；
S72, the logical process channel pair for obtaining and currently needing to read is calculated according to the offset parameter and the number Rc
The actual storage address of the data answered in the memory；
S73, according to the corresponding sub-image data of the actual storage address extraction.
Specifically, the sub-image data that each logical process channel is extracted of lighting a fire every time is not arranged in the same data
In, it can be calculated according to formula according to the number of the offset parameter in each logical process channel and the logical process channel
Whether the actual storage address of the corresponding sub-image data in logical process channel in memory out, the actual storage address have
Effect, is judged by the following method: setting the maximum number of the logical channel as Mc, Mc is the integer more than or equal to zero；If 0
≤ Rc≤Mc then obtains the current corresponding subgraph in the logical process channel for needing to read according to addressing rules
The actual storage address of data is effective, and the extraction of data is carried out according to the actual storage address；If Rc≤0 or Mc≤Rc,
The actual storage address for the corresponding sub-image data in the logical process channel for currently needing to read is invalid, will currently need
The corresponding sub-image data in the logical process channel to be read can not replace with inking data.
Preferably, the acquisition currently needs the number Rc in the logical process channel read to include:
Lc-Lco=Rc
Wherein, Lc indicates that address obtains the value of counter, and Lco indicates the current logical process channel for needing to read
Offset parameter.
Preferably, described to calculate the logical process for obtaining and currently needing to read according to the offset parameter and the number Rc
Calculation formula in the actual storage address of the corresponding data in channel in the memory includes:
(Rc × Sc × Sp+Lcs) × Lcn+Fa=La
Wherein, Sc indicates the total quantity in logical process channel, and Sp indicates the total quantity of software treatment channel, and Lcs expression is worked as
Before the logical process channel to be read number, Lcn indicates that the corresponding data length in single logical process channel, Fa indicate data
The initial address of storage, La indicate the actual storage address of the current corresponding data in logical process channel for needing to read.
Referring to Fig. 8, in another embodiment, the method also includes:
The number for the sub-image data that S81, each interface for obtaining driver obtain；
S82, sub-image data described in several pieces is sent in sequence in the spatial cache of corresponding interface；
S83, the print data output printing that the data in the spatial cache are combined into predetermined format.
Specifically, in this example, the driver is spray head driving plate, when described image processor is located on described
Position machine, when the print control system is located at slave computer, then the driver is located in slave computer；Described image processor and institute
When stating print control system and being located at all-in-one machine, the driver also is located in all-in-one machine.Then the method for Fig. 8 specifically includes: to every
In one spatial cache of a interface assignment, the spatial cache of each interface is RAM caching, reads logical process from input FIFO
The corresponding sub-image data in channel is written in the RAM caching of interface, logically the corresponding data length for the treatment of channel
To each sub-image data allocation space, and the allocation space will support ping-pong operation.Such as a logical channel corresponding one
A column nozzle on a spray head, then each spray head has 32 nozzle rows, then All Drives totally 8 interfaces, each interface assignment 4
A sub-image data, then the corresponding sub-image data of the nozzle rows of 0-3 is just assigned to interface 0, then the nozzle of 4-7
It arranges the corresponding sub-image data and is just assigned to interface 1, and so on；If nozzle number of columns is not enough divided, such as only 31
A nozzle rows, then the corresponding sub-image data of a nozzle rows is just written in the last one interface less, by subsequent processing
Polishing.If the quantity of nozzle rows exceeds the interface that can be distributed, the corresponding sub-image data of extra nozzle rows will lose
Fall, it cannot be again from being write interface 0.Then by the print data of the data group composite software treatment channel in spatial cache,
It is combined into the print data of 32BIT bit wide in the present embodiment, junior's mould is written in the way of each nozzle rows in turn 32BIT
Block.Since data-interface is 32BIT, every each clock of byte can read 1 pixel, can read 4 pixels every time in total, that is,
4BIT 8BIT data guarantee the transmission speed of data so being able to satisfy the output speed of current interface completely.
Referring to Fig. 9, the embodiment of the invention provides a kind of print data processing apparatus, described device includes:
First data split module 10, and each interface for obtaining driver transmits the number of the sub-image data；
Second data split module 20, if for by described image data, logically treatment channel Distribution dynamics to be split into
Dry one's share of expenses for a joint undertaking image data；
Data memory module 30 is used for sub-image data described in several pieces according to logical process channel Distribution dynamics
Correspondence is stored.
Preferably, logical process channel Distribution dynamics include: when the corresponding spray head of software treatment channel,
At least one logical process channel is distributed for the column nozzle on a spray head is corresponding；When a software treatment channel is corresponding a kind of
When color, then a spray head is corresponding distributes at least one logical process channel；When one software treatment channel is one corresponding
When data processor, then a spray head or a column nozzle on a spray head or a kind of color is corresponding distributes at least one logic
Manage channel.
Preferably, described device further include:
Image data memory module, for by described image data in the way of fifo queue with normal print mode or
Printing model is inserted into be stored in the memory；
Wherein, the normal print mode indicates described image data according to fifo queue Sequential output, and the insertion is beaten
Other task datas are inserted into watermark patterns expression in the output stream of the normal print mode.
Preferably, described device further include:
Described image data are sent in sequence in slave computer by image data sending module for host computer.
Preferably, described device further include:
Parameter acquisition module, for obtaining the offset parameter and number Rc in the logical process channel for currently needing to read；
Storage address obtains module, currently needs to read for calculating to obtain according to the offset parameter and the number Rc
The corresponding data in logical process channel actual storage address in the memory；
Sub-image data extraction module, for according to the corresponding sub-image data of the actual storage address extraction.
Preferably, the acquisition currently needs the number Rc in the logical process channel read to include:
Lc-Lco=Rc
Wherein, Lc indicates that address obtains the value of counter, and Lco indicates the current logical process channel for needing to read
Offset parameter.
Preferably, described to calculate the logical process for obtaining and currently needing to read according to the offset parameter and the number Rc
Calculation formula in the actual storage address of the corresponding data in channel in the memory are as follows:
(Rc × Sc × Sp+Lcs) × Lcn+Fa=La
Wherein, Sc indicates the total quantity in logical process channel, and Sp indicates the total quantity of software treatment channel, and Lcs expression is worked as
Before the logical process channel to be read number, Lcn indicates that the corresponding data length in single logical process channel, Fa indicate data
The initial address of storage, La indicate the actual storage address of the current corresponding data in logical process channel for needing to read.
Preferably, described device further include:
Interface message obtains module, the number for the sub-image data that each interface for obtaining driver obtains；
Sub-image data sending module, for sub-image data described in several pieces to be sent in sequence to the caching of corresponding interface
In space；
Module is printed out, the print data for the data in the spatial cache to be combined into predetermined format, which exports, beats
Print.
In addition, the print data processing method in conjunction with Fig. 1 embodiment of the present invention described can be set by print data processing
It is standby to realize.Figure 10 shows the hardware structural diagram of print data processing equipment provided in an embodiment of the present invention.
Print data processing equipment may include processor 401 and the memory 402 for being stored with computer program instructions.
Specifically, above-mentioned processor 401 may include central processing unit (CPU) or specific integrated circuit
(Application Specific Integrated Circuit, ASIC), or may be configured to implement implementation of the present invention
One or more integrated circuits of example.
Memory 402 may include the mass storage for data or instruction.For example it rather than limits, memory
402 may include hard disk drive (Hard Disk Drive, HDD), floppy disk drive, flash memory, CD, magneto-optic disk, tape or logical
With the combination of universal serial bus (Universal Serial Bus, USB) driver or two or more the above.It is closing
In the case where suitable, memory 402 may include the medium of removable or non-removable (or fixed).In a suitable case, it stores
Device 402 can be inside or outside data processing equipment.In a particular embodiment, memory 402 is nonvolatile solid state storage
Device.In a particular embodiment, memory 402 includes read-only memory (ROM).In a suitable case, which can be mask
ROM, programming ROM (PROM), erasable PROM (EPROM), the electric erasable PROM (EEPROM), electrically-alterable ROM of programming
(EAROM) or the combination of flash memory or two or more the above.
Processor 401 is by reading and executing the computer program instructions stored in memory 402, to realize above-mentioned implementation
Any one print data processing method in example.
In one example, print data processing equipment may also include communication interface 403 and bus 410.Wherein, such as Figure 10
Shown, processor 401, memory 402, communication interface 403 connect by bus 410 and complete mutual communication.
Communication interface 403 is mainly used for realizing in the embodiment of the present invention between each module, device, unit and/or equipment
Communication.
Bus 410 includes hardware, software or both, and the component of print data processing equipment is coupled to each other together.It lifts
It for example rather than limits, bus may include accelerated graphics port (AGP) or other graphics bus, enhancing Industry Standard Architecture
(EISA) bus, front side bus (FSB), super transmission (HT) interconnection, Industry Standard Architecture (ISA) bus, infinite bandwidth interconnect, are low
Number of pins (LPC) bus, memory bus, micro- channel architecture (MCA) bus, peripheral component interconnection (PCI) bus, PCI-
Express (PCI-X) bus, Serial Advanced Technology Attachment (SATA) bus, Video Electronics Standards Association part (VLB) bus or
The combination of other suitable buses or two or more the above.In a suitable case, bus 410 may include one
Or multiple buses.Although specific bus has been described and illustrated in the embodiment of the present invention, the present invention considers any suitable bus
Or interconnection.
In addition, the embodiment of the present invention can provide a kind of computer in conjunction with the print data processing method in above-described embodiment
Readable storage medium storing program for executing is realized.Computer program instructions are stored on the computer readable storage medium；The computer program refers to
Enable any one print data processing method realized in above-described embodiment when being executed by processor.
In conclusion print data processing method provided in an embodiment of the present invention, device and equipment, the present invention is by will be to
Print image data carries out just splitting into image data according to software treatment channel, then distributes and advises according still further to logical process channel
Rule carries out splitting into several pieces sub-image data, treats print image data by the combination of software and hardware and carries out at fractionation
Reason, improves the speed of data processing, saves the time, improves printing effect.
It should be clear that the invention is not limited to specific configuration described above and shown in figure and processing.
For brevity, it is omitted here the detailed description to known method.In the above-described embodiments, several tools have been described and illustrated
The step of body, is as example.But method process of the invention is not limited to described and illustrated specific steps, this field
Technical staff can be variously modified, modification and addition after understanding spirit of the invention, or suitable between changing the step
Sequence.
Functional block shown in structures described above block diagram can be implemented as hardware, software, firmware or their group
It closes.When realizing in hardware, it may, for example, be electronic circuit, specific integrated circuit (ASIC), firmware appropriate, insert
Part, function card etc..When being realized with software mode, element of the invention is used to execute program or the generation of required task
Code section.Perhaps code segment can store in machine readable media program or the data-signal by carrying in carrier wave is passing
Defeated medium or communication links are sent." machine readable media " may include any medium for capableing of storage or transmission information.
The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), soft
Disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via such as internet, inline
The computer network of net etc. is downloaded.
It should also be noted that, the exemplary embodiment referred in the present invention, is retouched based on a series of step or device
State certain methods or system.But the present invention is not limited to the sequence of above-mentioned steps, that is to say, that can be according in embodiment
The sequence referred to executes step, may also be distinct from that the sequence in embodiment or several steps are performed simultaneously.
The above description is merely a specific embodiment, it is apparent to those skilled in the art that,
For convenience of description and succinctly, the system, module of foregoing description and the specific work process of unit can refer to preceding method
Corresponding process in embodiment, details are not described herein.It should be understood that scope of protection of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of print data processing method, which is characterized in that the described method includes:
Image data to be printed is split into image data according to software treatment channel；
By described image data, logically treatment channel Distribution dynamics split into several pieces sub-image data；
In memory according to the corresponding storage of logical process channel Distribution dynamics by sub-image data described in several pieces.
2. print data processing method according to claim 1, which is characterized in that logical process channel Distribution dynamics
It include: to distribute at least one when the corresponding spray head of a software treatment channel for the column nozzle on a spray head is corresponding
Logical process channel；When a software treatment channel corresponds to a kind of color, then a spray head is corresponding distributes at least one logic
Treatment channel；When the corresponding data processor of one software treatment channel, then on a spray head or a spray head
One column nozzle or a kind of corresponding at least one the logical process channel of distribution of color.
3. print data processing method according to claim 2, which is characterized in that press image data to be printed described
Image data is split into according to software treatment channel and described by the logically treatment channel Distribution dynamics fractionation of described image data
At between several pieces sub-image data, the method also includes:
Described image data are stored in the storage in the way of fifo queue with normal print mode or insertion printing model
In device；
Wherein, the normal print mode indicates described image data according to fifo queue Sequential output, the insertion impression block
Other task datas are inserted into formula expression in the output stream of the normal print mode.
4. print data processing method according to claim 1, which is characterized in that it is described by described image data according to
Before the mode of fifo queue is stored in the memory with normal print mode or insertion printing model, the method is also wrapped
It includes:
Described image data are sent in sequence in slave computer by host computer.
5. print data processing method according to any one of claims 1 to 4, which is characterized in that the method also includes:
Obtain the offset parameter and number Rc in the logical process channel for currently needing to read；
The corresponding data in logical process channel for obtaining and currently needing to read are calculated according to the offset parameter and the number Rc
Actual storage address in the memory；
According to the corresponding sub-image data of the actual storage address extraction.
6. print data processing method according to claim 5, which is characterized in that the acquisition is current to need that reads to patrol
The number Rc of volume treatment channel includes:
Lc-Lco=Rc
Wherein, Lc indicates that address obtains the value of counter, and Lco indicates the offset in the current logical process channel for needing to read
Parameter.
7. print data processing method according to claim 6, which is characterized in that described according to the offset parameter and institute
It states number Rc and calculates the actual storage of the corresponding data in logical process channel for obtaining and currently needing to read in the memory
Calculation formula in address are as follows:
(Rc × Sc × Sp+Lcs) × Lcn+Fa=La
Wherein, Sc indicates the total quantity in logical process channel, and Sp indicates the total quantity of software treatment channel, and Lcs expression is currently wanted
The number in the logical process channel of reading, Lcn indicate that the corresponding data length in single logical process channel, Fa indicate data storage
Initial address, La indicates the current actual storage address of the corresponding data in logical process channel for needing to read.
8. print data processing method according to claim 7, which is characterized in that the method also includes:
The each interface for obtaining driver transmits the number of the sub-image data；
Sub-image data described in several pieces is sent in sequence in the spatial cache of corresponding interface；
Data in the spatial cache are combined into the print data output printing of predetermined format.
9. a kind of print data processing apparatus, which is characterized in that described device includes:
First data split module, for image data to be printed to be split into image data according to software treatment channel；
Second data split module, for by described image data, logically treatment channel Distribution dynamics to split into several one's shares of expenses for a joint undertaking
Image data；
Data memory module, for by sub-image data described in several pieces according to logical process channel Distribution dynamics it is corresponding into
Row storage.
10. a kind of print data processing equipment characterized by comprising at least one processor, at least one processor and
The computer program instructions of storage in the memory, are realized when the computer program instructions are executed by the processor
Such as method of any of claims 1-8.
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