CN107092450A - A kind of thermal printing method based on display frame - Google Patents
A kind of thermal printing method based on display frame Download PDFInfo
- Publication number
- CN107092450A CN107092450A CN201710211965.9A CN201710211965A CN107092450A CN 107092450 A CN107092450 A CN 107092450A CN 201710211965 A CN201710211965 A CN 201710211965A CN 107092450 A CN107092450 A CN 107092450A
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- Prior art keywords
- display
- dot matrix
- caching
- service module
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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
- G06F3/1206—Improving or facilitating administration, e.g. print management resulting in increased flexibility in input data format or job format or job type
-
- 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
- G06F3/1268—Job submission, e.g. submitting print job order or request not the print data itself
-
- 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
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1285—Remote printer device, e.g. being remote from client or server
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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)
- Record Information Processing For Printing (AREA)
Abstract
The invention discloses a kind of thermal printing method based on display frame, including：Print service module receives the print request of application end, and the type information in print request is committed into printing display modular converter；Printing shows that modular converter calls the display service module of application end that type information is converted into display information；Display service module calls the display processing framework of application end to carry out display information dot matrix caching process to generate display dot matrix caching；The display dot matrix caching that dot matrix modular converter is exported to display processing framework is intercepted, if display dot matrix caching is produced by display request, then display dot matrix caching transmission to display progress image conversion is shown, if display dot matrix caching is produced by print request, display dot matrix caching is sent to printer and printed.Using the present invention, the matching that can remove various Chinese matrixes from is imported, and is removed the work of repetition editor's exploitation printing character library lattice file from, is reduced the cost of product.
Description
Technical field
The present invention relates to printing technique field, more particularly to a kind of thermal printing method based on display frame.
Background technology
Thermal printing technique is earliest using on facsimile machine, and its general principle is the data conversion that receives printer into point
The signal of battle array controls the heating of temperature responsive unit, and heat susceptible coating heating on heat-sensitive paper is developed.
In today that thermal printer application demand is increasing, many Android devices all employ thermal printer
The printing of all kinds of bills is carried out, but thermal printer is the printing heated in dots, all words, picture
It is required for issuing in the form of dot matrix.Existing thermal printing technique scheme mainly has following two：
（1）Directly use the text that language-specific or specific coding scope are stored in word storehouse of the hardware chip, word storehouse of the hardware chip
Word lattice, the dot matrix of specified word is extracted, printed when printing from word storehouse of the hardware chip.This scheme is real
It is existing fairly simple, but need to increase hardware cost, and word storehouse of the hardware chip character library is relatively simple, due to asking for memory space
Topic, can significantly increase cost, the changes in demand for printing character library can directly cause for multilingual or big font support
The change of hardware, hardware cost is higher.
（2）It is used to print by extracting dot matrix font in all kinds of existing Chinese matrixes, this way is directly formed and beaten
Lettering library file is placed in android system, is required for updating for undesirable word in Chinese matrix, each
The increase for planting spoken and written languages is required for the modification of software code, and a kind of language has a variety of Chinese matrixes, for example, beaten in Chinese character again
Just there are this GB2312 in India and China, the type matrix coding schedule such as GBK, black matrix, all kinds of font masters such as Song typeface, so need very many words
Library file meets different demands, and exploitation maintenance cost is higher.
Therefore, original technical scheme matches new spoken and written languages and can taken very much, for some special spoken and written languages
It is related to the problem of typesetting problem and deformation conversion, can also increases research and development difficulty of matching, increase development cost and maintenance cost.Mesh
It is preceding on Android thermal printing terminal devices, also without efficient stable, easy to use, the high technical scheme of reusability.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of thermal printing method based on display frame, to exempt from
Go the matching of various Chinese matrixes to import, remove the tedious work of repetition editor's exploitation printing character library lattice file from, greatly drop
The R＆D costs of low product, maintenance cost and time cost.
In order to solve the above-mentioned technical problem, the invention provides a kind of thermal printing method based on display frame, including：
S1, print service module receives the print request of application end, and it is aobvious that the type information in print request is committed into printing
Show modular converter；
S2, the printing shows that modular converter calls the display service module of application end that type information is converted into display information；
S3, the display service module calls the display processing framework of application end to carry out dot matrix caching process to display information with life
Into display dot matrix caching；
S4, the display dot matrix caching that dot matrix modular converter is exported to display processing framework is intercepted, if display dot matrix caching is
By display request generation, then it will show that dot matrix caching is sent to display progress image conversion and show be if display dot matrix is cached
Produced by print request, then display dot matrix caching is sent to printer and printed.
It is described to show that dot matrix caching is sent to the side of printer progress dot matrix dump as the improvement of such scheme
Method includes：Obtain the display dot matrix caching shown in dot matrix buffering area；Dot matrix caching conversion will be shown according to the requirement of printer
Into matrix of printed dots；The matrix of printed dots is printed by printer.
As the improvement of such scheme, the type information includes printing content, type fount type, type fount size
And printing picture.
As the improvement of such scheme, the printing shows that modular converter calls display service module to change type information
Include for the method for display information：Type fount size is converted into display font size；Type fount type is converted to aobvious
Show font type；Printing picture is converted into display picture.
As the improvement of such scheme, the display service module calls display processing framework to carry out dot matrix to display information
Caching process includes in the method for generating display dot matrix caching：Picture and text are merged calculating, dipstick metering conversion and zoom operations.
As the improvement of such scheme, also include before the step S1：After print service module starts, application end is inquired about
The display font type supported, and provide font setting interface for application end.
As the improvement of such scheme, the application end includes Android application ends or Linux application ends.
Implement the present invention, have the advantages that：
The present invention extracts the actual point in Android/Linux display picture contents by Android/Linux internal mechanism
Battle array, is converted to the dot matrix of printing, and the matching that can not only so remove various Chinese matrixes from is imported, moreover it is possible to accomplish the fast of different language
Speed switching is used, and largely saves manpower, removes the tedious work of repetition editor's exploitation printing character library lattice file from, so that greatly
Reduce the R＆D costs of product, maintenance cost and time cost.
Specifically, the present invention submits to Android/ by print service module and printing display module by picture and text are printed
Linux carries out display processing；Text-processing, the picture processing of printing are completed using Android/Linux display processings framework,
Realize typesetting and multilingual support；The multilingual support shown using Android/Linux come complete printing multilingual support；
Display caching is intercepted by dot matrix modular converter, Android/Linux display cachings are converted into thermal-sensitive printer printing caching.
Correspondingly, the thermal printing method of the invention based on display frame has advantages below：
（1）The present invention can save hardware cost without using word storehouse of the hardware chip；
（2）The present invention can flexibly switch font, realize the flexible switching of different fonts size, different fonts type, without system
Make the printing character library file of all size, greatly save exploitation maintenance cost；
（3）The present invention greatly improves development efficiency and drop without carrying out dot matrix processing and typesetting processing to printing content graph piece etc.
Low development difficulty；
（4）The present invention utilizes Android/Linux multilingual support so that printing can directly support multilingual, carry significantly
Rise competitiveness and development efficiency.
Brief description of the drawings
Fig. 1 is existing matrix of printed dots extracting method schematic diagram；
Fig. 2 is the embodiment flow chart of the thermal printing method of the invention based on display frame；
Fig. 3 is the embodiment schematic diagram of the thermal printing method of the invention based on display frame.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.Only this is stated, the side such as the up, down, left, right, before and after of the invention that occurs in the text or will appear from, inside and outside
Position word, only on the basis of the accompanying drawing of the present invention, it is not the specific restriction to the present invention.
As shown in figure 1, it is necessary to voluntarily realize android system thermal printing point in existing matrix of printed dots extracting method
Battle array handles framework to complete the function of thermal printer, meanwhile, android system thermal printing dot matrix processing framework needs to realize
The dot matrix processing of dot matrix conversion process and word to picture, this needs to make substantial amounts of font file（Including various language, word
Body size, the character library of font type）, or use different external hardware word-base chips.
Therefore, existing technical scheme matches new spoken and written languages and can taken very much, for some special spoken and written languages
It is related to the problem of typesetting problem and deformation conversion, can also increases research and development difficulty of matching, increase development cost and maintenance cost, surely
Qualitative low, using trouble, reusability is low.
It should be noted that Android/Linux systems support multilingual display in itself, because display is using the arrow such as TTF
Font is measured, allows font arbitrarily undistorted amplification, there are very many TTF files at present（Windows, Android, Linux are grasped
Make system and carry substantial amounts of TTF displays character library in itself）, can easily download various types of fonts（Black matrix, Song typeface etc.）, and
After processing actually by Android/Linux display frames, the content being shown on screen is also lattice information, if I
Can the content that will print, printed words be converted to the display frame processing that the content to be shown gives Android/Linux systems,
Then the lattice information for the lattice information that display frame is converted being reconverted into printing is printed, so, can be saved
Very many workloads.
The embodiment of the thermal printing method of the invention based on display frame is shown referring to Fig. 2 and Fig. 3, Fig. 2 and Fig. 3.
As shown in Fig. 2 the thermal printing method of the invention based on display frame includes：
S1, print service module receives the print request of application end, and it is aobvious that the type information in print request is committed into printing
Show modular converter.
It should be noted that being packaged with type information in print request, the type information includes printing content, printing word
Body type, type fount size and printing picture.Correspondingly, present invention can apply to android system and linux system, institute
Stating application end includes Android application ends or Linux application ends.
Further, also include before the step S1：After print service module starts, print service module polls application end
The display font type supported, and provide font setting interface for application end.
S2, the printing shows that modular converter calls the display service module of application end that type information is converted into display letter
Breath.
Specifically, the printing shows that modular converter calls display service module that type information is converted into display information
Method includes：Type fount size is converted into display font size, type fount type is converted into display font type, will
Printing picture is converted to display picture.
Therefore, printing shows the type information that modular converter is transmitted according to print service module, calls the aobvious of application end
Show that the interface in service module is changed, type fount size is converted into display font size, type fount type is turned
Display font type is changed to, printing picture is converted into display picture.
S3, the display service module calls the display processing framework of application end to carry out dot matrix caching process to display information
Dot matrix caching is shown to generate.
Specifically, the display service module calls display processing framework to carry out dot matrix caching process to display information with life
Method into display dot matrix caching includes：Picture and text are merged calculating, dipstick metering conversion and zoom operations.
Therefore, the interface in the display service module of application end gets display information（Display information includes display font
Size, display font type and display picture）Afterwards, by the display processing framework of unified call application end, picture and text is carried out and are merged meter
Calculate, dipstick metering conversion, the operation such as amplification, diminution, so as to obtain display dot matrix caching.
S4, the display dot matrix caching that dot matrix modular converter is exported to display processing framework is intercepted.If showing, dot matrix delays
Deposit is that by display request generation, then will show that dot matrix caching is sent to display progress image conversion and show；If showing, dot matrix delays
Deposit and produced by print request, then display dot matrix caching is sent to printer and printed.
It should be noted that display dot matrix caching can by display request or print request produce, when application end directly to
When showing that service module sends display request, then the display dot matrix caching corresponding to the display request is produced by display request
's；When application end sends print request to print service module, then the display dot matrix caching corresponding to the print request is
Produced by print request.
For example, when application end directly sends display request to display service module, the display service module is called should
Dot matrix caching process is carried out to display information with the display processing framework at end to generate display dot matrix caching, now, dot matrix is shown
Caching is produced by display request.
And for example, when application end sends print request to print service module, print service module is by print request
Type information is committed to printing and shows modular converter；Printing shows that modular converter calls the display service module of application end to print
Information is converted to display information；Display service module calls the display processing framework of application end to carry out dot matrix caching to display information
Processing is cached with generating display dot matrix.Now, display dot matrix caching is produced by print request.
Specifically, the method that will show that dot matrix caching transmission carries out dot matrix dump to printer includes：
Obtain the display dot matrix caching shown in dot matrix buffering area；
It will show that dot matrix caching is converted into matrix of printed dots according to the requirement of printer；
The matrix of printed dots is printed by printer.
Therefore, the display dot matrix caching that dot matrix modular converter can be exported to display processing framework is intercepted, if display
Dot matrix caching is produced by display request, and dot matrix modular converter will show that dot matrix caching is directly issued to LCD（Liquid
Crystal Display thin film transistor LCD devices）Image conversion is carried out to show；If showing that dot matrix caching is by printing
What request was produced, dot matrix modular converter will obtain the display dot matrix caching in display dot matrix buffering area, then according to printer
Different require that dot matrix processing is carried out to display dot matrix caching to be changed and generate matrix of printed dots（Change, format change such as gray scale
Deng）, the printing of last operation printer progress matrix of printed dots.
From the foregoing, it will be observed that because Android/Linux systems have supported the language of various countries various regions, by simply switching just
The display at different language word interface can be achieved.The present invention extracts Android/ by Android/Linux internal mechanism
Actual dot matrix in Linux display picture contents, is converted to the dot matrix of printing, can not only so remove of various Chinese matrixes from
With importing, moreover it is possible to accomplish that being switched fast for different language uses, largely save manpower, remove repetition editor's exploitation printing character library point from
The tedious work of battle array file, so as to greatly reduce the R＆D costs of product, maintenance cost and time cost.
Specifically, the present invention submits to Android/ by print service module and printing display module by picture and text are printed
Linux carries out display processing；Text-processing, the picture processing of printing are completed using Android/Linux display processings framework,
Realize typesetting and multilingual support；The multilingual support shown using Android/Linux come complete printing multilingual support；
Display caching is intercepted by dot matrix modular converter, Android/Linux display cachings are converted into thermal-sensitive printer printing caching.
Correspondingly, the thermal printing method of the invention based on display frame has advantages below：
（1）The present invention can save hardware cost without using word storehouse of the hardware chip；
（2）The present invention can flexibly switch font, realize the flexible switching of different fonts size, different fonts type, without system
Make the printing character library file of all size, greatly save exploitation maintenance cost；
（3）The present invention greatly improves development efficiency and drop without carrying out dot matrix processing and typesetting processing to printing content graph piece etc.
Low development difficulty；
（4）The present invention utilizes Android/Linux multilingual support so that printing can directly support multilingual, carry significantly
Rise competitiveness and development efficiency.
It should be noted that present invention can apply to android system and linux system.When applied to android system
When, the application end is Android application ends, and the display service module is that Android is shown at service module, the display
Reason framework is Android display processing frameworks；When applied to linux system, the application end is Linux application ends, described
It is that Linux shows service module to show service module, and the display processing framework is Linux display processing frameworks.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of thermal printing method based on display frame, it is characterised in that including：
S1, print service module receives the print request of application end, and it is aobvious that the type information in print request is committed into printing
Show modular converter；
S2, the printing shows that modular converter calls the display service module of application end that type information is converted into display information；
S3, the display service module calls the display processing framework of application end to carry out dot matrix caching process to display information with life
Into display dot matrix caching；
S4, the display dot matrix caching that dot matrix modular converter is exported to display processing framework is intercepted,
If display dot matrix caching is to be asked to produce by display, display dot matrix caching is sent to display progress image conversion and shown
Show,
If display dot matrix caching is produced by print request, display dot matrix caching is sent to printer and printed.
2. the thermal printing method as claimed in claim 1 based on display frame, it is characterised in that described to delay display dot matrix
Depositing to send to the method for printer progress dot matrix dump includes：
Obtain the display dot matrix caching shown in dot matrix buffering area；
It will show that dot matrix caching is converted into matrix of printed dots according to the requirement of printer；
The matrix of printed dots is printed by printer.
3. the thermal printing method as claimed in claim 1 based on display frame, it is characterised in that the type information includes
Print content, type fount type, type fount size and printing picture.
4. the thermal printing method as claimed in claim 3 based on display frame, it is characterised in that the printing display conversion
Module calls display service module to include the method that type information is converted to display information：
Type fount size is converted into display font size；
Type fount type is converted into display font type；
Printing picture is converted into display picture.
5. the thermal printing method as claimed in claim 1 based on display frame, it is characterised in that the display service module
The method for calling display processing framework to carry out dot matrix caching process to display information to generate display dot matrix caching includes：Picture and text are closed
Spell calculating, dipstick metering conversion and zoom operations.
6. the thermal printing method as claimed in claim 1 based on display frame, it is characterised in that before the step S1 also
Including：After print service module starts, the display font type that inquiry application end is supported, and provide font setting for application end
Interface.
7. the thermal printing method as claimed in claim 1 based on display frame, it is characterised in that the application end includes
Android application ends or Linux application ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211965.9A CN107092450A (en) | 2017-04-01 | 2017-04-01 | A kind of thermal printing method based on display frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211965.9A CN107092450A (en) | 2017-04-01 | 2017-04-01 | A kind of thermal printing method based on display frame |
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| CN107092450A true CN107092450A (en) | 2017-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515006A (en) * | 2018-11-06 | 2019-03-26 | 安徽瀚洋纸品印刷有限公司 | A kind of thermal printing machine control system |
| CN111556596A (en) * | 2020-04-28 | 2020-08-18 | 沈阳工业大学 | Writing device and method supporting private interaction |
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| US20050168523A1 (en) * | 2003-06-05 | 2005-08-04 | Yuji Takiguchi | Image reading apparatus and a control method for an image reading apparatus |
| CN101003216A (en) * | 2006-01-17 | 2007-07-25 | 精工爱普生株式会社 | Recording device control method |
| CN106408798A (en) * | 2016-09-22 | 2017-02-15 | 上海寰果信息科技有限公司 | Pos machine printing method and printing system |
-
2017
- 2017-04-01 CN CN201710211965.9A patent/CN107092450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050168523A1 (en) * | 2003-06-05 | 2005-08-04 | Yuji Takiguchi | Image reading apparatus and a control method for an image reading apparatus |
| CN101003216A (en) * | 2006-01-17 | 2007-07-25 | 精工爱普生株式会社 | Recording device control method |
| CN106408798A (en) * | 2016-09-22 | 2017-02-15 | 上海寰果信息科技有限公司 | Pos machine printing method and printing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515006A (en) * | 2018-11-06 | 2019-03-26 | 安徽瀚洋纸品印刷有限公司 | A kind of thermal printing machine control system |
| CN111556596A (en) * | 2020-04-28 | 2020-08-18 | 沈阳工业大学 | Writing device and method supporting private interaction |
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