CN108874328B - Method and device for generating test file of printer nozzle - Google Patents
Method and device for generating test file of printer nozzle Download PDFInfo
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- CN108874328B CN108874328B CN201810641983.5A CN201810641983A CN108874328B CN 108874328 B CN108874328 B CN 108874328B CN 201810641983 A CN201810641983 A CN 201810641983A CN 108874328 B CN108874328 B CN 108874328B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/121—Facilitating exception or error detection and recovery, e.g. fault, media or consumables depleted
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Abstract
A method and a device for generating a printer nozzle test file relate to the technical field of printers. The method for generating the printer nozzle test file comprises the following steps: according to the arrangement mode of the nozzle orifices of the printer nozzle, a vector diagram containing each printing test area on a test page of the printer nozzle is drawn, a bitmap corresponding to the vector diagram is generated through a drawing module, pixel points which are inconsistent with the vector diagram in the bitmap are corrected, the pixel points in the bitmap are consistent with the pixel points in the vector diagram, channels corresponding to different colors in the corrected bitmap are layered, and the layered bitmap is converted into a test file of the printer nozzle to be printed. The method and the device for generating the printer nozzle test file can simply and conveniently generate the printer nozzle test file, and save labor cost and time cost.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a method and a device for generating a printer nozzle test file.
Background
A Printer (Printer) is one of the output devices of a computer for printing the results of a computer process on an associated medium. The printer test page is mainly used for verifying whether the internal hardware mechanism of the printer works normally.
At present, all test pages in the market only see the state of the spray head of one point basically, and cannot test other states. The styles of the test pages and the test functions that can be implemented are implemented by a software engineer writing a program. When the pattern of the test page is relatively complex, programming is very difficult for a programmer, and labor cost and time cost are high.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for generating a printer nozzle test file, which are simple and feasible, and reduce labor and time costs, by correcting pixel points in a vector diagram and layering color channels.
The embodiment of the invention provides a method for generating a printer nozzle test file, which comprises the following steps:
drawing a vector diagram containing each printing test area on a printer nozzle test page according to an arrangement mode of nozzle holes of the printer nozzle, wherein each printing test area is arranged in the printer nozzle test page according to a preset mode;
generating a bitmap corresponding to the vector graphics through a drawing module;
correcting pixel points which are inconsistent with the vector diagram in the bitmap to enable the pixel points in the bitmap to be consistent with the pixel points in the vector diagram;
layering channels corresponding to different colors in the corrected bitmap;
and converting the layered bitmap into a printer nozzle test file to be printed.
The embodiment of the invention also provides a device for generating the test file of the printer nozzle, which comprises the following components:
the first drawing module is used for drawing a vector diagram containing each printing test area on a printer nozzle test page according to an arrangement mode of nozzle holes of the printer nozzle, and each printing test area is arranged in the printer nozzle test page according to a preset mode;
the second drawing module is used for generating a bitmap corresponding to the vector diagram;
the correction module is used for correcting pixel points which are inconsistent with the vector diagram in the bitmap to enable the pixel points in the bitmap to be consistent with the pixel points in the vector diagram;
the processing module is used for layering channels corresponding to different colors in the corrected bitmap;
and the generating module is used for converting the layered bitmap into a printer nozzle test file to be printed.
In each embodiment of the invention, a vector diagram containing each printing test area on a printer nozzle test page is drawn, a bitmap corresponding to the vector diagram is generated, inconsistent pixel points generated during bitmap generation are corrected, different color channels in the bitmap are layered, and then a printer nozzle test file is generated. Moreover, each printing test area on the test page comprises various test areas, and the printing output can be performed at one time, so that whether different functional states of the printer nozzle are normal or not can be checked at the same time.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for generating a test file of a printer nozzle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an arrangement of printing test areas on a print head test page of the printer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for generating a test file of a printer nozzle according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for generating a printer nozzle test file according to an embodiment of the present invention. The method is suitable for all digital printing equipment using the spray head. The method for generating the printer nozzle test file comprises the following steps:
s101, drawing a vector diagram containing each printing test area on a printer nozzle test page according to an arrangement mode of nozzle holes of the printer nozzle, wherein each printing test area is arranged in the printer nozzle test page according to a preset mode;
the nozzle of the printer is composed of a plurality of spray holes, and the arrangement mode of the spray holes determines the structure and the arrangement mode of a test area of a printer nozzle test page. Before generating the vector diagram, the model of the printer can be obtained, the arrangement mode of the nozzle holes of the printer nozzle is determined according to the model of the printer, then the number and the arrangement mode of the test areas contained on the test page of the printer nozzle and the patterns in each test area are determined according to the determined arrangement mode, and the patterns in the test areas correspond to the arrangement mode of the nozzle holes of the printer nozzle.
The test area of the test page of the printer head may comprise one or more of the following test areas:
the method comprises the following steps of installing a vertical test area on a sprayer, and installing a printing state test area of small dots, middle dots and large dots, a printing order test area during printing, a printing line state test area and a printing color block effect test area.
In one example, the printer head test page includes all the above test regions, the specific arrangement of the test regions on the test page may be as shown in fig. 2, and the test regions are arranged from top to bottom: the device comprises a small dot printing state test area 1, a middle dot printing state test area 2, a large dot printing state test area 3, a small dot, middle dot and large dot printing time sequence test area 4, a small dot, middle dot and large dot printing line state test area 5, a nozzle installation vertical test area 6 and a small dot, middle dot and large dot printing color block effect test area 7.
It should be noted that the small dot printing state test area 1 can be used to observe the state of each nozzle small dot, and the grid can be used to observe the printing state of the small dot in different directions.
The midpoint print state test region 2 may be used to observe the state of the midpoint of each nozzle hole, and the grid may be used to observe the print state of the midpoint in different directions.
The large dot printing state test area 3 can be used for observing the state of each nozzle large dot, and the grid can be used for observing the printing state of the large dot in different directions.
F1, F2, and F3 in the test area 4 at the time of printing of the small dot, the middle dot, and the large dot are areas where the small dot, the middle dot, and the large dot are printed, respectively.
The nozzle installation vertical test area 6 is used for checking whether the nozzle is installed vertically or not through a dot printing result.
F1, F2, and F3 of the small dot, medium dot, and large dot printing color patch effect test area 7 are areas where small dots, medium dots, and large dots are printed, respectively.
A test page is printed using a printer, and the printed figure on the test page is shown in fig. 2 (the figure does not include the reference numerals for the respective regions in fig. 2 to explain the respective regions). Can comprehensively and intuitively see that: states of different size points; the accuracy of the points with different sizes falling in the transverse direction, the longitudinal direction and the oblique direction; whether the verticality of the nozzle installation is in place or not; whether the order is consistent when the large, medium and small dots are printed; whether the spray heads are spliced in place or not.
Acquiring an arrangement mode of the nozzle holes of the printer nozzle, wherein the arrangement mode can be obtained by calling prestored hardware information of the nozzle holes of the printer nozzle from a system, and can also be obtained by acquiring manually input hardware information of the nozzle holes of the printer nozzle. And drawing a vector diagram containing each printing test area on the printer nozzle test page according to the arrangement mode of the nozzle holes of the printer nozzle, so that each printing test area in the vector diagram corresponds to the arrangement mode of the nozzle holes of the printer nozzle.
Further, preset vector diagram drawing software is called through a vector diagram drawing module to draw the vector diagram, and the vector diagram drawing software is CorelDraw software. CorelDraw is a vector graphics production tool software that contains two drawing applications: one is used for vector diagram and page design, and one is used for image editing, it is a powerful interactive tool, so that the user can create various dynamic special effects and dot matrix image immediate effects, and can implement them in simple operation.
S102, generating a bitmap corresponding to the vector diagram through a drawing module;
specifically, Photoshop (Adobe Photoshop) software is called by a drawing module to generate a bitmap corresponding to the vector diagram. Photoshop mainly processes digital images made up of pixels. The picture editing work can be effectively carried out by using a plurality of editing and drawing tools.
S103, correcting pixel points which are inconsistent with the vector diagram in the bitmap to enable the pixel points in the bitmap to be consistent with the pixel points in the vector diagram;
the vector diagram is converted into the bitmap, the change of pixel points can occur at the edge part of the diagram, so that the pixel points of the bitmap and the vector diagram are inconsistent, but because the number and the positions of the jet holes correspond to the number and the positions of the pixel points of the diagram to be printed respectively, the inconsistent pixel points are required to be corrected, and when the printer finally prints the test page, whether the printer is normal or not can be judged by checking the printing effect of the diagram. And correcting the bitmap according to the vector diagram to enable pixel points in the bitmap to be consistent with pixel points in the vector diagram. Namely, the pixel points are accurately controlled in Photoshop, and the pixel points are completely consistent after the vector diagram is converted into the bitmap.
Optionally, the pixel points at the edge of the bitmap, which are inconsistent with the vector diagram, may be corrected according to the preset position coordinates, so that the pixel points in the bitmap are consistent with the pixel points in the vector diagram.
S104, layering channels corresponding to different colors in the corrected bitmap;
and layering the corrected bitmap in Photoshop to obtain channels corresponding to different colors, namely, dividing the different colors into different channels. The color channel is controlled by layers, and large, medium and small dots are printed by layer control.
And S105, converting the layered bitmap into a printer nozzle test file to be printed.
The layered bitmap is output from Photoshop, and is converted by a software tool into a printer head test file which can be recognized by a printer, specifically, a file in a PRN format, that is, a file suffix is ". PRN".
And controlling the printer to print the test file, and checking whether each item of printing function corresponding to the printer is normal or not through the printed test page.
In the embodiment of the invention, the vector diagram containing each printing test area on the printer nozzle test page is drawn, the bitmap corresponding to the vector diagram is generated, the inconsistent pixel points generated in the bitmap generation are corrected, the different color channels in the bitmap are layered, and then the printer nozzle test file is generated. Moreover, each printing test area on the test page comprises various test areas, and the printing output can be performed at one time, so that whether different functional states of the printer nozzle are normal or not can be checked at the same time.
Fig. 3 is a schematic structural diagram of a device for generating a test file of a printer nozzle according to an embodiment of the present invention. The printer nozzle testing device can be applied to the method for generating the printer nozzle testing file in the embodiment shown in fig. 1, and the device for generating the printer nozzle testing file comprises the following components:
the first drawing module 301 is configured to draw a vector diagram including each printing test area on a printer nozzle test page according to an arrangement pattern of nozzle holes of a printer nozzle, where each printing test area is arranged in the printer nozzle test page in a preset manner;
a second drawing module 302 for generating a bitmap corresponding to the vector diagram;
the correction module 303 is configured to correct pixel points in the bitmap, which are inconsistent with the vector diagram, so that the pixel points in the bitmap are consistent with the pixel points in the vector diagram;
a processing module 304, configured to layer channels corresponding to different colors in the corrected bitmap;
and the generating module 305 is configured to convert the layered bitmap into a printer nozzle test file to be printed.
Further, each printed test area comprises one or any combination of the following test areas:
the method comprises the following steps of installing a vertical test area on a sprayer, and installing a printing state test area of small dots, middle dots and large dots, a printing order test area during printing, a printing line state test area and a printing color block effect test area.
Further, the first rendering module 301 is specifically configured to render a vector diagram by calling preset vector diagram rendering software.
The first drawing module 301 is specifically configured to invoke preset vector diagram drawing software, and draw a vector diagram including each printing test area on the printer nozzle test page, where each printing test area is arranged in the printer nozzle test page according to a preset manner. I.e. by calling the CorelDraw software, a vector diagram is rendered.
The second drawing module 302 is specifically configured to generate a bitmap corresponding to the vector diagram by calling Photoshop software.
For parts which are not described in detail in the embodiment of the present invention, reference may be made to the description of the embodiment of the method for generating a test file for a printer nozzle, which is not described herein again.
In the embodiment of the invention, the vector diagram containing each printing test area on the printer nozzle test page is drawn, the bitmap corresponding to the vector diagram is generated, the inconsistent pixel points generated in the bitmap generation are corrected, the different color channels in the bitmap are layered, and then the printer nozzle test file is generated. Moreover, each printing test area on the test page comprises various test areas, and the printing output can be performed at one time, so that whether different functional states of the printer nozzle are normal or not can be checked at the same time.
This embodiment also provides a printer or a computer terminal, including: the printer head test file generation method in the embodiment shown in fig. 1 is implemented by a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program.
The embodiment also provides a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the method for generating the printer head test file in the embodiment shown in fig. 1.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and in a certain embodiment, reference may be made to the related descriptions of other embodiments.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. A method for generating a printer nozzle test file is characterized by comprising the following steps:
drawing a vector diagram containing each printing test area on a printer nozzle test page according to an arrangement mode of nozzle holes of the printer nozzle, wherein each printing test area is arranged in the printer nozzle test page according to a preset mode, and each printing test area comprises: the method comprises the following steps that a nozzle is provided with a vertical test area, a printing state test area of small dots, middle dots and large dots, a printing sequence test area during printing, a printing line state test area and a printing color block effect test area;
generating a bitmap corresponding to the vector graphics through a drawing module;
according to preset position coordinates, correcting pixel points at the edge of the bitmap, which are inconsistent with the vector diagram, so that the pixel points in the bitmap are consistent with the pixel points in the vector diagram;
layering channels corresponding to different colors in the corrected bitmap, controlling color channels through layers, and printing the small dots, the middle dots and the large dots through layer control;
and converting the layered bitmap into a printer nozzle test file to be printed.
2. The method of claim 1, wherein said rendering a vector diagram containing print test areas on a print head test page according to an arrangement pattern of print head orifices, each of said print test areas being arranged in a predetermined manner in said print head test page, comprises:
and calling preset vector diagram drawing software through a vector diagram drawing module, drawing a vector diagram containing each printing test area on a printer nozzle test page, wherein each printing test area is arranged in the printer nozzle test page according to a preset mode.
3. Method according to claim 2, characterized in that the vector graphics rendering software is embodied as CorelDraw.
4. The method of claim 1 wherein said generating, by a drawing module, a bitmap corresponding to said vector graphics comprises;
and calling Photoshop software through a drawing module to generate a bitmap corresponding to the vector diagram.
5. A printer head test file generation device is characterized by comprising:
the first drawing module is used for drawing a vector diagram containing each printing test area on a printer nozzle test page according to an arrangement mode of nozzle holes of a printer nozzle, wherein each printing test area is arranged in the printer nozzle test page according to a preset mode, and each printing test area comprises: the method comprises the following steps that a nozzle is provided with a vertical test area, a printing state test area of small dots, middle dots and large dots, a printing sequence test area during printing, a printing line state test area and a printing color block effect test area;
the second drawing module is used for generating a bitmap corresponding to the vector diagram;
the correction module is used for correcting pixel points at the edge of the bitmap, which are inconsistent with the vector diagram, according to preset position coordinates, so that the pixel points in the bitmap are consistent with the pixel points in the vector diagram;
the processing module is used for layering channels corresponding to different colors in the corrected bitmap, controlling the color channels through the layers and controlling the printing of the small dots, the middle dots and the large dots through the layers;
and the generating module is used for converting the layered bitmap into a printer nozzle test file to be printed.
6. The apparatus of claim 5, wherein the first rendering module is specifically configured to invoke a predetermined vector graphics rendering software to render a vector graphics comprising each of the printed test areas on a print head test page, the printed test areas being arranged in a predetermined manner in the print head test page.
7. The apparatus according to claim 6, characterized in that said first rendering module is configured to render said vector graphics, in particular by invoking CorelDraw software.
8. The apparatus of claim 5, wherein said second rendering module is configured to generate a bitmap corresponding to said vector graphics by invoking Photoshop software.
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| CN201810641983.5A CN108874328B (en) | 2018-06-21 | 2018-06-21 | Method and device for generating test file of printer nozzle |
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| CN109725858A (en) * | 2018-11-30 | 2019-05-07 | 森大（深圳）技术有限公司 | Label image print control program, device, equipment and storage medium |
| CN110816082B (en) * | 2019-10-26 | 2021-01-05 | 森大（深圳）技术有限公司 | Method, device and equipment for obtaining alignment error value of spray head and storage medium |
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