CN103419513B - A kind of processing method of random image and a kind of printing equipment control system - Google Patents
A kind of processing method of random image and a kind of printing equipment control system Download PDFInfo
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- CN103419513B CN103419513B CN201210151093.9A CN201210151093A CN103419513B CN 103419513 B CN103419513 B CN 103419513B CN 201210151093 A CN201210151093 A CN 201210151093A CN 103419513 B CN103419513 B CN 103419513B
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Abstract
This application discloses a kind of processing method of random image and a kind of printing equipment control system, described method is applied in printing equipment control system, described method is for obtaining the view data on the arbitrary page at least one page needing printing, described method comprises: the master image data of the rasterizing that Receiving Host sends, and needs the preseting length of random extraction image and setting width and the parameter being used for representing generating random number mode; Based on the generating random number mode that described parameter comprises, the view data memory address that acquisition random number coordinate and described random number coordinate are correlated with; By described setting width and described preseting length, described view data memory address is started reads image data as initial address; The view data of described reading is sent to image-forming block, for described image-forming block imaging.
Description
Technical field
The application relates to digital printing field, particularly a kind of processing method of random image and a kind of printing equipment control system.
Background technology
Digital printing is the printing technology of high speed development in recent years, and it is mode data directly transmitted, process, print.For the digital printing equipment adopting on-demand ink jet printing, image-forming block under control of the control system, when the arrival precalculated position, surface of printing body (as paper), piezo-electric crystal in nozzle produces pulse and is extruded by ink, and sprays vaporific ink droplet imaging directly to the surface of printing body (as paper).Compared with traditional mode of printing, the processes such as digital printing eliminates plate-making, draw a design, step is simple and quick, and support variable data prints.
In addition, because data need directly be transferred to imaging moiety imaging from computer, so the data that computer provides will be processed into the data of applicable imaging by the control system of digital printing equipment, also need the high real-time of guarantee system simultaneously.
In view of the noncontact of ink-jet digital printing technology, fast, printing images real-time variable, the feature such as environmental protection, increasing extent of its application is extensive.In some cases, the requirement that printing manufacturer has some special for digital printing technology, printing manufacturer requires it is no longer only to process out correct image, printing images, they more wish that novel ink-jet printing technology can give full play to its flexibility, complete the requirement that some is special, such as: the change at random of printing images.
The application applicant, in the process realizing technical scheme, finds to there is following technical problem to the change at random of printing images in prior art:
One, traditional mode of printing, when printing images, is confined to the forme that it is fixing, can not realizes the change at random of image;
Although two some flexibly printer can satisfy the demands.But, because data-handling capacity is limited, large-scale data can not be processed.So it is lower to there is operating efficiency, be not suitable for industrial problem.
Summary of the invention
In view of this, this application provides a kind of processing method of random image, industrially can not carry out the problem of real-time print in order to solve mode of printing traditional in prior art to random image.
On the one hand, by an embodiment of the application, following technical scheme is provided:
A processing method for random image, is applied in printing equipment control system, and described method is for obtaining the view data on the arbitrary page at least one page needing printing, and described method comprises:
The mother matrix view data of the rasterizing that Receiving Host sends, and need the setting line number of random extraction image from Master data and setting width and the random site parameter being used for representing random site;
Based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with;
By described setting width and described setting line number, described view data memory address is started reads image data as initial address;
The view data of described reading is sent to image-forming block, for described image-forming block imaging.
Optionally, described random site parameter is controlled to generate by printing control system.
Optionally, described by described setting width and described setting line number, described view data memory address is started reads image data as initial address, specifically comprises:
Step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Step 2, judges whether the reads image data of ending described i-th row is less than described setting line number;
Step 3, when being less than, obtains the coordinate of the i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row-coordinate;
Step 4, reads the i-th+1 row view data from described i-th+1 row view data memory address;
Repeat above-mentioned steps two to step 4, until reads image data equals described setting line number.
Optionally, described based on before obtaining random site parameter coordinate and view data memory address corresponding to described random site parameter coordinate, described method also comprises:
Receive the mother matrix view data of the rasterizing sent from main frame;
The view data for printing is extracted at random from described mother matrix view data;
The described view data being used for printing is split as the many parts of mother matrix image blocks that quantity is consistent with described multiple image-forming block.
Optionally, the view data memory address that described acquisition random site parameter coordinate and described random site parameter coordinate are correlated with, specifically comprises:
Judge that described random site parameter coordinate adds whether described setting width is greater than the width of described mother matrix image;
When being not more than the width of described mother matrix image, using the initial address of view data memory address corresponding for described random site parameter coordinate as image reading.
On the other hand, embodiment still provides following technical scheme by another of the application:
A kind of printing equipment control system, for obtaining the view data on the arbitrary page at least one page needing printing, described control system comprises:
Control unit;
Memory, the mother matrix view data for the rasterizing sent by Receiving Host stores;
Parameter register, for storing the setting line number and setting width that need random extraction image and the random site parameter being used for representing random site;
Initial address computing unit, be connected with described control unit, for under the control of described control unit, based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with;
Address manager, be connected with described memory and described control unit respectively, under controlling at described control unit, by described setting width and described setting line number, using described view data memory address reads image data as initial address is from described memory;
Data processing unit, for the view data of described reading is sent to image-forming block, for described image-forming block imaging.
Optionally, described random site parameter is controlled to generate by printing control system.
Optionally, described address manager, specifically also for:
Perform step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Perform step 2, judge whether the reads image data of ending described i-th row is less than described setting line number;
Perform step 3, when being less than, with the random site parameter coordinate of described random site gain of parameter i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row random site parameter coordinate;
Perform step 4, from described i-th+1 row view data memory address, read the i-th+1 row view data;
Repeat above-mentioned steps two to step 4, until reads image data equals described setting line number.
Optionally, before described acquisition random site parameter coordinate and view data memory address corresponding to described random site parameter coordinate, described data processing unit also for:
Receive the mother matrix view data of the rasterizing sent from main frame;
The view data for printing is extracted at random from described mother matrix view data;
The described view data being used for printing is split as the many parts of mother matrix image blocks that quantity is consistent with described multiple image-forming block.
Optionally, described initial address computing unit, also for:
Judge that described random site parameter coordinate adds whether described setting width is greater than the width of described mother matrix image;
When being not more than the width of described mother matrix image, using the initial address of view data memory address corresponding for described random site parameter coordinate as image reading.
One or more technical schemes in technique scheme, have following technique effect or advantage:
One, can realize in digital printing very easily, from same mother matrix, obtain the print job of random image.Digital ink-jet printing equipment application and flexibility is made to obtain expansion again.
Two, when memory space is enough large, printing equipment control system stores multiple mother matrix, and user can carry out mother matrix switching very easily, can meet user and realize print job flexibly.
Three, in the printing equipment control system provided in the application, all with general hardware implementation, again reduce redundancy step when finding memory address while decreasing waste of storage space, improve printing efficiency.
Four, by the partition of view data work for the treatment of is given control system to do, significantly reduce the workload of main frame, improve printing speed.
Five, by judge coordinate add random image width be greater than mother matrix image time, directly abandon read address, effectively avoid and may there is in reads image data the problem read less than data.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of image-forming block mounting means in the embodiment of the present application;
Fig. 2 is the process flow figure of random image in the embodiment of the present application;
Fig. 3 is the operation process chart of printing equipment in the embodiment of the present application;
Fig. 4 is the system module figure of printing equipment control system in the embodiment of the present application;
Fig. 5 is the construction module figure of parameter register in the embodiment of the present application.
Detailed description of the invention
In this application, host computer (abbreviation main frame) by sending the mother matrix view data of rasterizing to printing equipment control system, such as: high-speed inkjet printing apparatus control system.Main frame will need the generating mode of the size (width * length) of the random image extracted, number of pages and random site parameter as Parameter transfer to high-speed inkjet printing apparatus control system; When starting to print, high-speed inkjet printing apparatus control system, first according to the random site parameter generating mode arranged, generates random site parameter coordinate x, y, and calculate the view data memory location that this random site parameter coordinate is corresponding, as the address of digital independent.Control system, from calculating the address that obtains, reads the data of a line setting width images, and after doing process further according to the arrangement mode of image-forming block or directly give image-forming block imaging; When the data read are less than setting line number, continue to read next line data, obtain complete until image size data will be set; When the image number of pages obtained is less than setting number of pages, continues to generate next random site parameter coordinate, and recalculate the initial address of random image, repeat the transmission of lower one page view data, until complete the print job of whole random image.
Below in conjunction with each accompanying drawing, the main of the embodiment of the present application technical scheme is realized principle, detailed description of the invention and be explained in detail the beneficial effect that should be able to reach.
Please refer to Fig. 1, is the schematic diagram of a kind of mounting means of image-forming block in the embodiment of the present application;
Due to the single imaging width of image-forming block and DPI (Dot Per Inch, i.e. printing precision, refer to the printer point that can print at per inch) limitation, the mode that high-speed digital ink-jet printing apparatus many employings isosceles triangle in the market splices expands width or the DPI of printing.
Please refer to Fig. 2, is the process flow figure of random image in the embodiment of the present application;
Step 200, the mother matrix view data of the rasterizing that Receiving Host sends, and need the setting line number of random extraction image and setting width and the parameter being used for representing random site parameter;
In concrete implementation process, described method is applied in printing equipment control system, special in high-speed inkjet printing apparatus control system, described method is for obtaining the view data on the arbitrary page at least one page needing printing, and described random site parameter generating mode is determined by the main frame by being connected with described printing equipment control system and generates.In order to imaging piece image that can be complete, view data has to pass through fractionation, processes and give image-forming block imaging at different time points.
Specifically, in printing equipment applied in this application, the data processing adopting main frame and the collaborative work of high-speed inkjet printing apparatus control system to complete flexibility and changeability more.First, main frame carries out rasterizing by needing the view data of printing, then the dot array data obtained is transferred to the control system of rear end or deconsolidation process is transferred to back-end system later again.
Concrete setting and the user of random site parameter need the demand of carrying out stochastic print corresponding, below for a specific example as illustrating:
The Master data size of user is 20*30 (namely 20 row 30 arrange), but user only wants the image (namely 10 row 10 arrange) printing wherein 10*10, based on this demand of user, determine a block size be the image of 10*10 original position as the coordinate of random site parameter.
In addition, in the acquisition process of random image, if be stored in host side hard disk or internal memory by mother matrix image, main frame needs constantly reading hard disk or internal memory to obtain data, and is transferred to rear end control system.We know, the operating efficiency of high-speed digital ink-jet printing apparatus is very high, and the transmission speed of front end data must be greater than data speed, the continuity of guarantee printing images or the continuity of printing-flow of rear end consumption.When main frame constantly reads hard disk, whole machine operational efficiency may be caused low, the requirement of data transmission can not be met.If use the internal memory of main frame to store data, excessive occupy host memory rasterizing efficiency can be caused to reduce, when switching mother matrix image, occur that data flow ruptures, cause the interruption of printing work.
Based on this reason, the application have employed and set up large memory space in digital printing control system, and mother matrix image transmitting later for rasterizing to high-speed inkjet printing apparatus control system, and is carried out the process of random image by main frame by control system.Main frame not only can be emancipated from hard work by this mode, completes the rasterizing of image, monitoring printing state, improves the stability of a system; The pressure of bus transfer can also be reduced, reduce the probability that view data is made mistakes in the transmission.Because printing control system adopts hardware mode to process random image, not only can raise the efficiency, process in real time; Control system and mechanical device can also be linked, reduce the risk that printing-flow interrupts.
Step 210, based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with;
In concrete implementation process, owing to determining the occurrence of described random site parameter, described random site parameter is controlled to generate by printing control system.
Further, when the view data memory address that described acquisition random site parameter coordinate and described random site parameter coordinate are correlated with, following scheme is adopted:
Judge that described random site parameter coordinate adds whether described setting width is greater than the width of described mother matrix image;
When being not more than the width of described mother matrix image, using the initial address of view data memory address corresponding for described random site parameter coordinate as image reading.
Step 220, by described setting width and described setting line number, starts reads image data using described view data memory address as initial address;
Specifically, this step can be carried out in the following manner:
Step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Step 2, judges whether the reads image data of ending described i-th row is less than described setting line number;
Step 3, when being less than, obtains the coordinate of the i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row-coordinate;
Step 4, reads the i-th+1 row view data from described i-th+1 row view data memory address;
Repeat above-mentioned steps two, three and four, until reads image data equals described setting line number.
By this step, namely complete one page content in the view data after processing host rasterizing.
Step 230, sends to image-forming block by the view data of described reading, for described image-forming block imaging;
Specifically, the mother matrix view data of the rasterizing sent from main frame is received;
The view data for printing is extracted at random from described mother matrix view data;
The described view data being used for printing is split as the many parts of mother matrix image blocks that quantity is consistent with described multiple image-forming block.
In addition, abovementioned steps only completes the process of random image in one page, carry out the process of other or multipage random image if also need, then, in units of page, carry out accumulated counts, judge in the random image print job based on current mother matrix, to need the image number of pages of printing whether to complete, if no, then continue to produce next random site parameter coordinate, recalculate the original position of new one page, and repeat above-mentioned steps, until current print job completes.
Please refer to Fig. 3 below, for printing equipment in the embodiment of the present application carries out the flow chart of operation;
Step 310, arranges random parameter;
In the embodiment of the present application, host computer first sets the random site parameter needing to carry out the image processed, such as, be the image of 20*20, determine the image that image is 5*5 from mother matrix image size, can know the coordinate of random site parameter from here, be the original position of corresponding 5*5 image.
Step 320, transmission mother matrix view data;
Due in concrete implementation process, the mother matrix picture data content that print may be one page or multipage, in the specific implementation, by one page content delivery in pages content in printing equipment;
Step 330, calculates the position of digital independent according to parameter;
Namely, in the view data that acquisition Host Transfer is come, the picture data content of stochastic print is needed;
Step 340, sends to image-forming block imaging;
Step 350, judges whether current page is sent;
If current page is sent, then carry out step 360, otherwise return step 330, continue in current data content, the reading of other random images;
Whether step 360, complete user and set task;
If complete the print job of wanting of user's setting, then exit, otherwise, return step 330, continue the data content printing of lower one page.
Please refer to Fig. 4 below, is the structure chart of printing equipment control system in the embodiment of the present application;
Described system is for obtaining the view data on the arbitrary page at least one page needing printing, and described system comprises:
Control unit 10;
Memory 20, the mother matrix view data for the rasterizing sent by Receiving Host stores;
Parameter register 30, for storing the setting line number and setting width that need random extraction image and the parameter being used for representing random site parameter;
Initial address computing unit 40, be connected with described control unit, for under the control of described control unit, based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with; Specifically, described random site parameter is controlled to generate by printing control system.
Address manager 50, be connected with described memory and described control unit respectively, under controlling at described control unit, by described setting width and described setting line number, using described view data memory address reads image data as initial address is from described memory;
In addition, described address manager, specifically also for:
Perform step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Perform step 2, judge whether the reads image data of ending described i-th row is less than described setting line number;
Perform step 3, when being less than, with the coordinate of described acquisition i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row-coordinate;
Perform step 4, from described i-th+1 row view data memory address, read the i-th+1 row view data;
Repeat above-mentioned steps two to four, until reads image data equals described setting line number.
Data processing unit 60, for the view data of described reading is sent to image-forming block 70, for the imaging of described image-forming block 70.In addition, when there being multiple image-forming block, before described base obtains random site parameter coordinate and view data memory address corresponding to described random site parameter coordinate, described data processing unit 60 also comprises:
Receiver module, for receiving the mother matrix view data of the rasterizing sent from main frame;
Extraction module, for extracting the view data for printing at random from described mother matrix view data;
Split module, for the described view data being used for printing being split as the quantity many part mother matrix image blocks consistent with described multiple image-forming block.
Please refer to Fig. 5, is the construction module figure of parameter register in the embodiment of the present application;
As shown in Figure 5, the parameter in parameter register mainly includes two parts, Part I, is set from upper strata operation interface by user, as random image width, length, printing number of pages; Another part is in data transmission procedure, is calculated or records, as mother matrix picture traverse, length, memory space initial address, end address by control system oneself.
By operation parameter register, improve flexibility and the adaptability of device.
By one or more embodiments of the application, following technique effect can be realized:
One or more technical schemes in technique scheme, have following technique effect or advantage:
One, can realize in digital printing very easily, from same mother matrix, obtain the print job of random image.Digital ink-jet printing equipment application and flexibility is made to obtain expansion again.
Two, when memory space is enough large, printing equipment control system stores multiple mother matrix, and user can carry out mother matrix switching very easily, can meet user and realize print job flexibly.
Three, in the printing equipment control system provided in the application, all with general hardware implementation, again reduce redundancy step when finding memory address while decreasing waste of storage space, improve printing efficiency.
Four, by the partition of view data work for the treatment of is given control system to do, significantly reduce the workload of main frame, improve printing speed.
Five, by judge coordinate add random image width be greater than mother matrix image time, directly abandon read address, effectively avoid and may there is in reads image data the problem read less than data.
Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (10)
1. a processing method for random image, is applied in printing equipment control system, and described method is for obtaining the view data on the arbitrary page at least one page needing printing, and it is characterized in that, described method comprises:
The mother matrix view data of the rasterizing that Receiving Host sends, and need the setting line number of random extraction image from Master data and setting width and the random site parameter being used for representing random site;
Based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with;
By described setting width and described setting line number, described view data memory address is started reads image data as initial address;
The view data of described reading is sent to image-forming block, for described image-forming block imaging.
2. the method for claim 1, is characterized in that, described random site parameter is controlled to generate by printing control system.
3. method as claimed in claim 2, is characterized in that, described by described setting width and described setting line number, described view data memory address is started reads image data as initial address, specifically comprises:
Step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Step 2, judges whether the reads image data of ending described i-th row is less than described setting line number;
Step 3, when being less than, obtains the coordinate of the i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row-coordinate;
Step 4, reads the i-th+1 row view data from described i-th+1 row view data memory address;
Repeat above-mentioned steps two to step 4, until reads image data equals described setting line number.
4. method as claimed in claim 3, is characterized in that, when there being multiple image-forming block, described based on before obtaining random site parameter coordinate and view data memory address corresponding to described random site parameter coordinate, described method also comprises:
Receive the mother matrix view data of the rasterizing sent from main frame;
The view data for printing is extracted at random from described mother matrix view data;
The described view data being used for printing is split as the many parts of mother matrix image blocks that quantity is consistent with described multiple image-forming block.
5. as claim 1, the method described in 2,3 or 4, is characterized in that, the view data memory address that described acquisition random site parameter coordinate and described random site parameter coordinate are correlated with, and specifically comprises:
Judge that described random site parameter coordinate adds whether described setting width is greater than the width of described mother matrix image;
When being not more than the width of described mother matrix image, using the initial address of view data memory address corresponding for described random site parameter coordinate as image reading.
6. a printing equipment control system, for obtaining the view data on the arbitrary page at least one page needing printing, it is characterized in that, described control system comprises:
Control unit;
Memory, the mother matrix view data for the rasterizing sent by Receiving Host stores;
Parameter register, for storing the setting line number and setting width that need random extraction image and the random site parameter being used for representing random site;
Initial address computing unit, be connected with described control unit, for under the control of described control unit, based on the random site parameter that described parameter comprises, the view data memory address that acquisition random site parameter coordinate and described random site parameter coordinate are correlated with;
Address manager, be connected with described memory and described control unit respectively, under controlling at described control unit, by described setting width and described setting line number, using described view data memory address reads image data as initial address is from described memory;
Data processing unit, for the view data of described reading is sent to image-forming block, for described image-forming block imaging.
7. system as claimed in claim 6, is characterized in that, described random site parameter is controlled to generate by printing control system.
8. system as claimed in claim 7, is characterized in that, described address manager, specifically also for:
Perform step one, using the i-th row view data memory address as the initial address of the i-th row digital independent, reading width is the i-th row view data of described setting width, wherein i be more than or equal to 1 integer;
Perform step 2, judge whether the reads image data of ending described i-th row is less than described setting line number;
Perform step 3, when being less than, with the random site parameter coordinate of described random site gain of parameter i-th+1 row and the i-th+1 row view data memory address corresponding to described i-th+1 row random site parameter coordinate;
Perform step 4, from described i-th+1 row view data memory address, read the i-th+1 row view data;
Repeat above-mentioned steps two to step 4, until reads image data equals described setting line number.
9. system as claimed in claim 8, is characterized in that, when there being multiple image-forming block, before described acquisition random site parameter coordinate and view data memory address corresponding to described random site parameter coordinate, described data processing unit also comprises:
Receiver module, for receiving the mother matrix view data of the rasterizing sent from main frame;
Extraction module, for extracting the view data for printing at random from described mother matrix view data;
Split module, for the described view data being used for printing being split as the quantity many part mother matrix image blocks consistent with described multiple image-forming block.
10. as claim 6, the system described in 7,8 or 9, is characterized in that, described initial address computing unit, also for:
Judge that described random site parameter coordinate adds whether described setting width is greater than the width of described mother matrix image;
When being not more than the width of described mother matrix image, using the initial address of view data memory address corresponding for described random site parameter coordinate as image reading.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1683163A (en) * | 2004-04-16 | 2005-10-19 | 佳能株式会社 | Image processing apparatus and method |
| CN101383009A (en) * | 2008-09-08 | 2009-03-11 | 北大方正集团有限公司 | Dot matrix data transformation method and apparatus for ink-jet printing equipment and ink-jet printing system |
| JP2010050708A (en) * | 2008-08-21 | 2010-03-04 | Ricoh Co Ltd | Image processor, image processing method, image forming apparatus, program, and recording medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1683163A (en) * | 2004-04-16 | 2005-10-19 | 佳能株式会社 | Image processing apparatus and method |
| JP2010050708A (en) * | 2008-08-21 | 2010-03-04 | Ricoh Co Ltd | Image processor, image processing method, image forming apparatus, program, and recording medium |
| CN101383009A (en) * | 2008-09-08 | 2009-03-11 | 北大方正集团有限公司 | Dot matrix data transformation method and apparatus for ink-jet printing equipment and ink-jet printing system |
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