CN110377246A - A kind of Method of printing and without character library printer - Google Patents
A kind of Method of printing and without character library printer Download PDFInfo
- Publication number
- CN110377246A CN110377246A CN201910652926.1A CN201910652926A CN110377246A CN 110377246 A CN110377246 A CN 110377246A CN 201910652926 A CN201910652926 A CN 201910652926A CN 110377246 A CN110377246 A CN 110377246A
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- printing
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- printer
- instruction
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- G—PHYSICS
- 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
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1204—Improving or facilitating administration, e.g. print management resulting in reduced user or operator actions, e.g. presetting, automatic actions, using hardware token storing data
-
- G—PHYSICS
- 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
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1244—Job translation or job parsing, e.g. page banding
-
- G—PHYSICS
- 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
- G06F3/1297—Printer code translation, conversion, emulation, compression; Configuration of printer parameters
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention discloses a kind of Method of printing and without character library printer, it is related to printing technique.This method comprises: S1 upper computer software initiates printing, transfer printing instruction；S2 intercepts and judges print command type, instructs if graphical content and graphic printing, then enters step S5, instructs if text printing, enters step S3；S3 obtains character library from the operating system；Text printing instruction is converted into graphical content and graphic printing instructs by S4 according to the character library；The graphical content and graphic printing instruction are handed down to no character library printer and printed by S5.The present invention can be realized without changing upper computer software, can recognize and translate automatically ESC/POS text instruction is that graphical content and graphic printing instruct, and it is handed down to no character library printer, the space mass memory body IC that character library and related various symbols can be cancelled under the premise of not influencing using printer using effect simultaneously, greatly reduces the hardware cost of printer.
Description
Technical field
The present invention relates to printing technique, in particular to a kind of Method of printing and without character library printer.
Background technique
The printing type of printer is predominantly following several: text instruction's printing model, bitmap printing mode, wherein first
Kind mode is the mode that most third party developers use at present.The printer needs of text instruction's printing model can be received
There is hard character library to support.It is as follows that it prints principle: printer passes through character or word Internal Code after receiving text instruction in hard character library
(such as: the ASCII coding of character, the GBK coding of Chinese character, BIG5 coding) inquiry obtains the dot matrix sequence of character or word, most
Dot matrix sequence is sent to print head afterwards and completes printing.ESC/POS instruction system has become actual industry mark at present
Standard, most of developer develop thermal printer application program using the instruction, make in this way, convenient for exploitation rapidly, but
It is that will increase the hardware cost of printer (various countries' language wordstock stores the memory space that a kind of font needs several MB, if printing
Machine needs to print multinational font, needs the memory body IC in more times of spaces altogether).
It is therefore proposed that a kind of Method of printing, can be realized without changing upper computer software, and can save various countries' language wordstock
The design of IC.This programme proposes following methods: using the resource of PC machine, the text instruction that software is sent to printing port being intercepted and is added
Parsing looks into system soft font table and switchs to dot pattern, then is transmitted to no character library printer by the printing port of PC and prints.It can distinguish automatically
Know and translation ESC/POS text instruction is that graphical content and graphic printing instruct, and are handed down to no character library printer.Simultaneously not
Super large character library with various countries' language when influencing under the premise of using printer using effect, or even being equivalent to printing, can cancel
The space mass memory body IC of traditional character library and related various symbols, greatly reduces the hardware cost of printer.
Summary of the invention
In order to overcome technical problem as described above, the present invention proposes a kind of Method of printing and without character library printer.It should
Method is passed to after print command by host computer can intercept text printing instruction；Character library is obtained from the operating system；According to
Text printing instruction is converted into graphical content and graphic printing instructs by the character library；It will be under graphic printing instruction
No character library printer is issued directly to be printed.It can be realized without changing upper computer software, can recognize and translate automatically
ESC/POS text instruction is that graphical content and graphic printing instruct, and are handed down to no character library printer.It is not influencing to use simultaneously
Under the premise of printer using effect, or even the super large character library with various countries' language when being equivalent to printing, traditional character library can be cancelled
And the space mass memory body IC of related various symbols, greatly reduce the hardware cost of printer.
Specific technical solution of the present invention is as follows:
In a first aspect, the present invention proposes a kind of Method of printing, comprising:
S1, upper computer software initiate printing, transfer printing instruction；
S2 intercepts and judges print command type, instructs if graphical content and graphic printing, then enters step 105, if
For text printing instruction, 103 are entered step；
S3 obtains character library from the operating system；
Text printing instruction is converted into graphical content and graphic printing instructs by S4 according to the character library；
The graphical content and graphic printing instruction are handed down to no character library printer and printed by S5.
Further, the S1 includes:
File is driven by modification operating system, intercepts text printing instruction.
Further, the S1 includes:
Virtual serial port is created in an operating system, and text printing instruction is intercepted by the virtual serial port.
Further, comprising:
Configure the virtual serial port to the port of receiving printing orders；
When the application software operated in the operating system issues text printing instruction, the virtual serial port receives institute
State text printing instruction.
It is further, described to configure the virtual serial port to receive the port of print command, comprising:
The virtual serial port is configured in the application software run in the operating system the end of receiving printing orders
Mouthful.
Further, the S3 includes:
The dot matrix word library of storage in an operating system, which is called directly, by operating system obtains font file.
Further, before further include:
The interface that call operation system provides switchs to the vector font library in operating system for dot matrix word library.
Further, the S4 includes:
Text printing instruction is parsed, content of text to be printed is obtained；
The content of text is traversed, font information corresponding with the content of text is searched in the character library；
By the font information, text printing instruction is converted into graphical content and graphic printing instructs.
Further, the S5 includes:
The graphic printing is instructed and graphic printing content is handed down to no character library by cable network or wireless network and beats
Print machine is printed.
Second aspect, the present invention propose a kind of print system, including computer and communicate printing without character library for connection
Machine, it is characterised in that: the computer is configured as executing following steps: the printing that interception upper computer software issues first refers to
It enables；Judge print command type, is instructed if graphical content and graphic printing, be directly handed down to no character library printer and beaten
Print instructs if text printing, then obtains character library from the operating system；Then according to the character library, the text is beaten
Print instruction is converted into graphical content and graphic printing instruction；The graphical content and graphic printing instruction are finally handed down to no word
Library printer is printed.The no character library printer, can support Method of printing as described in relation to the first aspect.
The third aspect, the present invention propose a kind of no character library printer, are configured to support as described in relation to the first aspect
Method of printing.
Fourth aspect, the present invention propose a kind of computer installation, it is characterised in that: the computer installation is configured as holding
Row following steps: the print command that upper computer software issues is intercepted；Then judge whether beat comprising text in the print command
Print instruction；If the print command includes text instruction, character library is obtained from the operating system；Then according to the word
Text printing instruction is converted into graphical content and graphic printing instructs by library；Finally the graphical content and figure are beaten
Print instruction is handed down to no character library printer and is printed.
5th aspect, the present invention propose a kind of computer readable storage medium, at least one are stored in the storage medium
Duan Chengxu, when at least one section of program operation, execute to realize the configuration as claimed in claim 11 without character library printer
And/or the configuration executed to realize the computer installation as described in claim 12 is any.
Technical solution provided by the invention has the benefit that
The present invention intercepts the print command that upper computer software issues first；Then judge in the print command whether include
Text printing instruction；If the print command includes text instruction, character library is obtained from the operating system；Then according to institute
Character library is stated, text printing instruction is converted into graphical content and graphic printing instructs；Finally by the graphical content and figure
Shape print command is handed down to no character library printer and is printed.By using technical solutions according to the invention, nothing can be realized
Upper computer software need to be changed, can recognize and translate automatically ESC/POS text instruction and be instructed for graphical content and graphic printing, and
It is handed down to no character library printer, while character library and various symbols can be cancelled under the premise of not influencing using printer using effect
Number the space mass memory body IC, greatly reduce the hardware cost of printer.Meanwhile operation can be used in the font for printing content
Diversified font in system and limited font can only be used by being not only restricted to printer character library space.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 show a kind of Method of printing schematic diagram in the present invention；
Fig. 2 show a kind of instruct the text printing according to the character library in the present invention and is converted into graphical content and figure
The step schematic diagram of shape print command；
Fig. 3 shows computer installation schematic diagram involved in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Case is described in further detail.
If Fig. 1 discloses a kind of Method of printing schematic diagram in the present invention, the specific implementation step of this method is shown, is wrapped
It includes:
In a step 101, upper computer software initiates printing, transfer printing instruction；
Here upper computer software is the software for referring to be mounted in operating system, and can initiate printing.
In a step 102, it intercepts and judges print command type, instruct, then enter if graphical content and graphic printing
Step 105, it is instructed if text printing, enters step 103；
In a kind of possible realization, file is driven by modification operating system, intercepts print command.It needs to illustrate
It is that operating system described here refers to the operating system of some open sources, optionally, Mobile Development field is most popular
Android operation system etc..In a kind of possible practical operation, (usb can be driven from USB by modifying system drive file
Driver no character library printer) can't be transmitted directly to after acquisition print data to be printed, but is completed before transmitting
Text printing instruction turns graphic printing instruction.
In alternatively possible realization, virtual serial port is created in an operating system, is beaten by virtual serial port interception
Print instruction.It should be noted that operating system described here refers to the operating system of some non-open sources, optionally, windows
Operating system etc..
By creating virtual serial port in an operating system, so that subsequent can transport in an operating system or on an operating system
In capable third party software print.er port can be configured by the virtual serial port.This is because when carrying out print.er port configuration,
For the virtual serial port for the third party software run in operating system or on an operating system, status is equal to other physics
Port.
After creating virtual serial port in an operating system, it configures the virtual serial port at the end of receiving printing orders
Mouthful；When the application software operated in the operating system issues print command, the virtual serial port receives the printing and refers to
It enables.In a kind of possible practical operation, receiving printing orders are configured by the virtual serial port in the operating system
Port, the print commands issued in the operating system all in this way, which can all be defaulted, is directed toward the virtual serial port, other one
In the possible practical operation of kind, independent configuration is carried out in the application software run in the operating system, without influencing it
The configuration information that he applies.
After intercepting printing print command, it can't directly send to and be printed to no character library printer, but can be before
Judged, instructed if graphical content and graphic printing, is then directly handed down to no character library printer printing；If text printing
Instruction, which then needs to instruct text printing, to be handled.
In step 103, character library is obtained from operating system；
It is well known that the processing of text printing instruction needs to rely on font file, and this step is to solve how to disobey
Rely in printer character library obtain character library the problem of.Vector font library abundant has been contained in current operating system in fact, and
And opened to the outside world and obtained interface for the character library of calling, in a kind of possible realization, technical solution of the present invention passes through calling
Vector font library in operating system is switched to dot matrix word library by the interface that operating system opens outward.In alternatively possible realization
In, technical solution of the present invention can call directly the dot matrix word library of storage in an operating system.
At step 104, according to the dot matrix word library, text printing instruction is converted into graphical content and figure is beaten
Print instruction；
Through the above steps 103 get font file after, be illustrated in figure 2 in the present invention it is a kind of according to the character library will
The text printing instruction is converted into the step schematic diagram of graphical content and graphic printing instruction, comprising:
In step 201, parsing text printing instruction, obtains content of text to be printed；
In step 202, the content of text is traversed, word corresponding with the content of text is searched in the character library
Body information；
In step 203, by the font information, text printing instruction is converted into graphical content and figure is beaten
Print instruction.
For convenience of description, in a kind of possible practical operation, file is driven by modification operating system, intercepts text
After print command, for convenience of description, such as user needs printable character " A " " B ", wherein 41 and 42 be respectively character " A " and " B "
16 system format codes, 0A be starting print command, text printing instruction be " 41 42 0A ", then this step can be to reception
To " 41 42 0A " parsed, obtain content of text to be printed, content of text here is usually by defeated to user
It is that the character entered is encoded as a result, then started to process first from " 41 " such as " 4142 " here, according to the coding,
Type matrix " A " corresponding to " 41 " is searched in the font file by obtaining in step 103, then handles subsequent " 42 ", root
It according to the coding, is equally searched in font file, finds " 42 " corresponding type matrix " B ", and " 0A " character recognition is text
Dissection process terminates all the elements in print command, as termination character.
In the practical operation of another possibility, virtual serial port is created in an operating system, passes through the virtual serial port
After intercepting text printing instruction, such as user needs printable character " A " " B " in application software, and the application software is beaten
Print interface has been configured as the virtual serial port created, and it is beating for 16 systems that user is needed " A " " B " transcoding printed first by software
Print instruction " 41 42 0A ", wherein 41 and 42 be respectively the 16 system format codes of character " A " and " B ", 0A is that starting printing refers to
It enables, then software will issue " 41420A " virtual serial port, and the text printing that such virtual serial port has just intercepted software refers to
" 41 42 0A " is enabled, then technical solution of the present invention will parse " 41 42 0A " received by virtual serial port,
Content of text to be printed is obtained, content of text here is usually the knot by being encoded to the character that user inputs
Fruit, " 41 42 " such as here, then starts to process from " 41 " first, according to the coding, then the word by being obtained in step 103
Type matrix " A " corresponding to " 41 " is searched in library file, subsequent " 42 " is then handled, according to the coding, equally in font file
In searched, find " 42 " corresponding type matrix " B ", and " 0A " character recognition be all the elements in text printing instruction
Dissection process terminates, as termination character.
By the above process, the parsing to text printing successfully is completed with system character library, and converts figure for parsing result
Shape content and graphic printing instruction.It should be noted that relying primarily on printer for current general Method of printing
Included character library is converted into graphic dot matrix to complete to instruct from text printing, will often face certain printer fonts sample in this way
The problem of formula does not need to update full character library or increases character library, it is very inconvenient, in addition, if desired printer carries character library, it is bound to
It also will increase the hardware cost of printer.
In step 105, the graphical content and graphic printing instruction are handed down to no character library printer and printed.
Graphical content and the graphic printing instruction obtained by step 104 is passed through into cable network or wireless network in this step
Network is handed down to no character library printer and is printed, specifically, can by Ethernet, serial ports, parallel port or USB port and bluetooth or
WIFI etc. is sent to no character library printer and is directly printed.
The present embodiment intercepts the hair print command under upper computer software first；Then word is obtained from the operating system
Library；Then according to the character library, text printing instruction is converted into graphical content and graphic printing instructs；It finally will be described
Graphical content and graphic printing instruction are handed down to no character library printer and are printed.By using technical side of the present invention
Case can be realized the exploitation habit for not changing developer, support developer to continue to use ESC text instruction, while can cancel
Character library and associated hardware circuitry greatly reduce the cost of printer.
The present invention discloses a kind of print system, including computer and communicate connection without character library printer, feature
Be: the computer is configured as executing following steps: intercepting the print command that upper computer software issues first；Judgement printing
Instruction type instructs if graphical content and graphic printing, is directly handed down to no character library printer and is printed, beaten if text
Print instruction, then obtain character library from the operating system；Then according to the character library, text printing instruction is converted into figure
Shape content and graphic printing instruction；The graphical content and graphic printing instruction are finally handed down to no character library printer to be beaten
Print.The no character library printer, can support Method of printing proposed by the invention.
The present invention proposes a kind of no character library printer, is configured to support Method of printing proposed by the invention.?
In a kind of possible realization, the no character library printer is configured to that operating system is supported to generate it virtual serial port, and
Receiving printing orders, and execute corresponding printing.It should be noted that this is without character library printer due to not including hard word
Library, compared to common printer, it is no longer necessary to structure relevant to character library, and in the present invention for printer other are specific
Structure and configuration and with no restriction.
It should be noted that the normal printer with character library is not changing itself in other possible practical operation
Under the premise of hardware configuration, by rewriting the print routine in printer firmware, technical solution of the present invention institute can be supported
Disclosed Method of printing has more to make some old normal printers under the premise of without (or cannot) replacement character library
Printing function (character library that the included character library of usual operating system is much larger than certain old normal printers) abundant.
Fig. 3 shows computer installation schematic diagram involved in the embodiment of the present invention, which mainly includes place
Reason device 301, memory 302 and bus 303, the memory are stored with an at least Duan Chengxu, and described program is by the processor
Execute the configuration to realize computer as described above.
Processor 301 includes one or more processing cores, and processor 301 passes through bus 303 and 302 phase of memory
Even, memory 302 realizes the above method when executing the program instruction in memory 302 for storing program instruction, processor 301
The method for the printing that embodiment provides.
Optionally, memory 302 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static to access memory (SRAM) at any time, electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
The present invention proposes a kind of computer readable storage medium, and an at least Duan Chengxu, institute are stored in the storage medium
It is executed when stating at least one section of program operation to realize the configuration such as above-mentioned no character library printer and/or execute to realize as above-mentioned
Computer configuration.
Those of ordinary skill in the art will appreciate that realizing that all or part of above-described embodiment can refer to by program
Enable relevant hardware complete, the program can store in a kind of computer readable storage medium, storage mentioned above
Medium can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not used to limit invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of Method of printing characterized by comprising
S1, upper computer software initiate printing, transfer printing instruction；
S2 intercepts and judges print command type, instructs if graphical content and graphic printing, then S5 is entered step, if text
This print command enters step S3；
S3 obtains character library from the operating system；
Text printing instruction is converted into graphical content and graphic printing instructs by S4 according to the character library；
The graphical content and graphic printing instruction are handed down to no character library printer and printed by S5.
2. Method of printing according to claim 1, which is characterized in that the S1 includes:
File is driven by modification operating system, intercepts text printing instruction.
3. Method of printing according to claim 1, which is characterized in that the S1 includes:
Virtual serial port is created in an operating system, and text printing instruction is intercepted by the virtual serial port.
4. Method of printing according to claim 3 characterized by comprising
Configure the virtual serial port to the port of receiving printing orders；
When the application software operated in the operating system issues text printing instruction, the virtual serial port receives the text
This print command.
5. Method of printing according to claim 4, which is characterized in that described to configure the virtual serial port to receive printing
The port of order, comprising: configure the virtual serial port in the application software run in the operating system to receive printing
The port of instruction.
6. Method of printing according to claim 1, which is characterized in that the S3 includes:
The dot matrix word library of storage in an operating system, which is called directly, by operating system obtains font file.
7. Method of printing according to claim 6, which is characterized in that before further include:
The interface that call operation system provides switchs to the vector font library in operating system for dot matrix word library.
8. Method of printing according to claim 1, which is characterized in that the S4 includes:
Text printing instruction is parsed, content of text to be printed is obtained；
The content of text is traversed, font information corresponding with the content of text is searched in the character library；
By the font information, text printing instruction is converted into graphical content and graphic printing instructs.
9. Method of printing according to claim 1, which is characterized in that the S5 includes:
The graphical content and graphic printing instruction are handed down to no character library printer by cable network or wireless network to carry out
Printing.
10. a kind of print system, including computer and communicate connection without character library printer, it is characterised in that: the meter
Calculation machine is configured as executing following steps: intercepting the print command that upper computer software issues first；Judge print command type, if
Instructed for graphical content and graphic printing, be directly handed down to no character library printer and printed, instructed if text printing, then from
Character library is obtained in the operating system；Then according to the character library, text printing instruction is converted into graphical content and figure
Shape print command；Finally the graphical content and graphic printing instruction are handed down to no character library printer and printed.The nothing
Character library printer can support Method of printing described in claim 1.
11. a kind of no character library printer, it is characterised in that: be configured to support Method of printing described in claim 1.
12. a kind of computer installation, it is characterised in that: the computer installation is configured as executing following steps: intercepting first
The print command that upper computer software issues；Judge print command type, instructs if graphical content and graphic printing, directly issue
It is printed to no character library printer, is instructed if text printing, then obtain character library from the operating system；Then according to institute
Character library is stated, text printing instruction is converted into graphical content and graphic printing instructs；Finally by the graphical content and figure
Shape print command is handed down to no character library printer and is printed.
13. a kind of computer readable storage medium, which is characterized in that be stored with an at least Duan Chengxu, institute in the storage medium
State executed when the operation of at least one section of program with realize the configuration as claimed in claim 11 without character library printer and/or execute with
Realize the configuration of the computer installation as described in claim 12 is any.
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| CN201910652926.1A CN110377246A (en) | 2019-07-19 | 2019-07-19 | A kind of Method of printing and without character library printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111143046A (en) * | 2019-12-16 | 2020-05-12 | 上海旅鼠网络科技有限公司 | Task interception method, server and printing system |
| CN111143046B (en) * | 2019-12-16 | 2024-03-08 | 上海旅鼠网络科技有限公司 | Task interception method, server and printing system |
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