CN102033858A - Method and system for typesetting and outputting formula - Google Patents

Abstract

The invention discloses a method and system for typesetting and outputting formulas, which are used to solve the problem that the process of typesetting and outputting formulas is relatively complicated in the prior art. Determine the first description data corresponding to the input formula code, convert the determined first description data into the second description data of the formula according to the type of the current application program, send a notification to the current application program, and make the The current application performs typesetting output according to the second description data.

Description

A method and system for typesetting and outputting formulas

technical field

The invention relates to the technical field of printing and typesetting, in particular to a method and system for outputting formulas through typesetting.

Background technique

At present, there are some professional formula typesetting software that can typeset and output formulas, such as: interactive formula typesetting software, which saves the templates of some commonly used formulas, so that users can find the formulas they want to input in the template library , greatly improving the efficiency of formula entry. However, the number and capabilities of the formulas provided in the template library are limited after all, and users need to select from the templates, which affects the consistency of input. In addition, if too many custom templates are stored in the template library, it will be very inconvenient for the user to find the formula to be output.

Some existing interactive formula typesetting software also provide keyboard shortcuts and shortcut input commands, such as escape language commands and field commands in word2007, but these keyboard shortcuts and shortcut input commands are relatively long and many, Therefore, it is very inconvenient to memorize, and it is easy to enter wrong commands and cannot be displayed correctly, which affects the efficiency of formula input.

用Latex语言描述为\[\sqrt{b＾2-4ac}\])，这就对排版人员的要求就更高了，一个相对简单的公式可能需要输入一长串的命令才能实现。Professional formula typesetting software also includes: non-interactive command-based formula typesetting software. The command language of this typesetting software is more complicated, and there are various description rules. A simple formula

It is described as \[\sqrt{b＾2-4ac}\]) in Latex language, which has higher requirements for typesetting personnel. A relatively simple formula may need to enter a long list of commands to realize it.

Contents of the invention

Embodiments of the present invention provide a method and system for typesetting and outputting formulas, which are used to solve the problem that the process of typesetting and outputting formulas is relatively complicated in the prior art.

An embodiment of the present invention provides a method for typesetting and outputting formulas, including:

According to the correspondence between the stored formula code and the first description data of the formula, determine the first description data corresponding to the input formula code;

Converting the determined first description data into second description data supported by the current application according to the type of the current application;

A notification is sent to the current application program, so that the current application program performs typesetting output according to the second description data.

An embodiment of the present invention provides a system for typesetting and outputting formulas, including:

A determining unit, configured to determine the first description data corresponding to the input formula code according to the stored correspondence between the formula code and the first description data of the formula;

a conversion unit, configured to convert the determined first description data into second description data supported by the current application according to the type of the current application;

The notification unit is configured to issue a notification to the current application program, so that the current application program performs typesetting and output according to the second description data.

In the embodiment of the present invention, firstly, according to the correspondence between the saved formula code and the first description data of the formula, the first description data corresponding to the input formula code is determined, and then according to the type of the current application program, the determined first description data is determined. The description data is converted into the second description data of the formula, and finally a notification is sent to the current application program, so that the current application program performs typesetting and output according to the second description data. In this way, the corresponding formula can be simply and quickly output according to the input formula coding, which improves the input efficiency.

Description of drawings

Fig. 1 is the flowchart of typesetting output formula in the embodiment of the present invention;

Fig. 2 is a flow chart of the typesetting output formula in Embodiment 1 of the present invention;

Fig. 3 is a device diagram for typesetting and outputting formulas in an embodiment of the present invention.

Detailed ways

In the embodiment of the present invention, the mapping relationship between the formula code and the formula name is first established, and then the first description data of the formula name is established. In this way, the system saves the mapping relationship between the formula code and the formula name, as well as the first description data of the formula name .

In the embodiment of the present invention, the formulas include: commonly used mathematical formulas, equations, and theorems, such as root-finding formulas, Pythagorean theorem, sine theorem, and the like. Of course, the formula also includes: chemical formula, and chemical reaction equation, for example: potassium permanganate heating decomposition equation and so on. In this way, formulas can be classified and coded in detail according to the types of formulas, and the mapping relationship between character string codes and the names of these formulas can be established. For example, the code for finding the root is qiugengongshi, and the code for the Pythagorean theorem is gougudingli.

其保存的第一描述数据可以表示为(-b±√(b＾2-4ac))/2a，第一描述数据是系统内部保存的数据，属于基础描述数据，不能为任何排版软件所识别，只是一种简易的语意描述。The first description data of the saved common formula name is generally only an escape description of the basic information of the formula data, for example: root finding formula

The first description data stored in it can be expressed as (-b±√(b＾2-4ac))/2a. The first description data is the data stored inside the system, which belongs to the basic description data and cannot be recognized by any typesetting software. It's just a simple semantic description.

Referring to Figure 1, after saving the mapping relationship between the formula code and the formula name, and the first description data of the formula name, the process of typesetting and outputting the formula is as follows, including:

Step 101: Receive an input formula code.

The user can input the formula code through the keyboard, for example: qiugengongshi. In this way, the system receives the entered formula code.

Step 102: Determine the first description data corresponding to the input formula code.

The system stores the correspondence between the formula code and the first description data of the formula name. Therefore, the first description data corresponding to the input formula code can be determined according to the stored correspondence between the formula code and the first description data of the formula name.

Here, the current formula name corresponding to the input formula code can be determined first according to the saved mapping relationship between the formula code and the formula name, and then the first description data of the current formula name can be determined according to the first description data according to the saved formula name.

Step 103: Determine the type of the current application.

The current application programs are divided into: formula typesetting software and non-formula typesetting software according to type, among which, formula typesetting software is divided into interactive typesetting software and command-based non-interactive typesetting software, and non-formula typesetting software includes: supporting image format Output software, and web editors.

It can be distinguished by the name of the current application, such as mathtype.exe, WINWORD.exe, etc., that is, according to the name of the current application, determine the type of the current application

Step 104: Convert the determined first description data into second description data supported by the current application program according to the determined type of the current application program.

Here, when in step 103, it is determined that the current application program is formula typesetting software, then the first description data is converted into the second description data supported by formula typesetting software; when in step 103, it is determined that the current application program is non-formula typesetting software, then The first description data is converted into the second description data supported by non-formula typesetting software.

Wherein, converting the first description data into the second description data supported by formula typesetting software includes:

If the current application program is interactive typesetting software, convert the first description data into the second description data that the current application program can support or recognize. Generally, the first description data can be converted into data in MathML format, or LaTex\ For the data in Tex format, of course, additional description information about the formulas of the current application needs to be added. In the embodiment of the present invention, the first description data may also be directly converted into data in a linear format provided by the current application itself, for example, data in a linear format provided by WORD2007.

If the current application program is non-interactive typesetting software, the first description data is converted into data in command language format. For example: if the current application program is LaTex, convert the first description data into data in LaTex format; if the current application program is Founder Bookboard, then convert the first description data into the BD sample of the formula.

In addition, converting the first description data into the second description data supported by non-formula typesetting software includes:

If the current application program is software that supports image format output, the first description data is converted into data in image format.

If the current application program is a web editor, and the web editor supports output in MathML format, the first description data may be converted into data in MathML format.

Step 105: notify the current application program, so that the current application program performs typesetting output according to the second description data.

After converting the first description data into the second description data, the system will notify the current application program so that the current application program performs typesetting and output according to the second description data. That is, the system will trigger the current application program, so that the current application program performs typesetting output according to the second description data.

The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Embodiment 1. In the embodiment of the present invention, the system includes a UI display window and components for displaying input formula codes. Moreover, the system stores the mapping relationship between formula codes and formula names, as well as the first description data of formula names. Referring to Fig. 2, the process of the system typesetting output formula is as follows, including:

Step 201: Receive an input formula code.

Here, the formula code input through the input device is received, for example, the formula code input through the keyboard is received.

Step 202: Display the input formula code and the corresponding formula name in the UI display window.

According to the saved mapping relationship between the formula code and the formula name, the formula name corresponding to the input formula code is determined, and the input formula code and the corresponding formula name are displayed in the UI display window.

Step 203: Determine the first description data corresponding to the input formula code.

In the previous step, the formula name corresponding to the input formula code has been determined, and here, only the first description data of the formula name needs to be determined.

Step 204: Determine whether the current application program is formula typesetting software, if yes, execute step 205, otherwise, execute step 210.

Here, it can be judged according to the name of the application program, such as mathtype, word2007, etc., which are relatively common at present.

Step 205: Determine whether the current application program is interactive typesetting software, if so, perform step 206, otherwise, perform step 208.

Also judge based on the name of the application, such as Latex, Founder Book Edition.

Step 206: Convert the first description data corresponding to the input formula code into data in MathML format, LaTex\Tex format or linear format.

Extract the first description data corresponding to the input formula code, and convert it into the second description data that can be recognized or converted and analyzed by the current application program, generally data in MathML format, data in LaTex\Tex format or data in linear format.

Step 207: notify the current application program, so that the current application program performs typesetting and output according to the converted data. The process of typesetting and outputting the formula is over.

After the conversion in the above steps, the current application is notified, that is, the current application is triggered, so that the current application parses the data in MathML format, LaTex\Tex format or linear format, converts it into internal format data, and then typesets the output.

Step 208: Convert the first description data corresponding to the input formula code into command language format data.

The first description data corresponding to the input formula code is extracted, and converted into second description data that can be recognized or converted and parsed by the current application program. Here, the second description data is data in a command language format.

Step 209: notify the current application program, so that the current application program typeset and output the converted data in the command language format in the command line format. The process of typesetting and outputting the formula is over.

Step 210: Determine whether the current program is a web editor supporting output in MathML format? If the current program is a web editor supporting output in MathML format, step 211 is executed. Otherwise, go to step 213.

Currently, some web editors can support MathML format, while others cannot. Therefore, it is necessary to determine whether the current program is a web editor that supports MathML format output.

Step 211: Convert the first description data corresponding to the input formula code into data in MathML format.

Step 212: notify the current application program, and use the MathML format language to convert and format the converted data. The process of typesetting and outputting the formula is over.

Web editors that support MathML format output can output converted MathML format data in MathML format, and can also install plug-ins similar to mathplayer for output display to achieve better display effects.

Step 213: Determine whether the current application program supports image format output, if yes, execute step 214, otherwise, do not process, and the process of typesetting and outputting the formula ends.

Step 211: Encode the corresponding first description data according to the input formula to generate data in picture format.

The current application program supports image format output, therefore, the built-in formula editor can be used to analyze the first description data to generate data in image format.

Step 212: Notify the current application program to generate a corresponding picture according to the data in the picture format and then output it. The process of typesetting and outputting the formula is over.

The current application that supports image format output generates a picture with the same size as the formula area according to the data in the image format, and outputs it.

For example: the current application program is an interactive typesetting formula, and the entered formula code is qiugengongshi, then first, the system obtains the first description data corresponding to qiugengongshi (-b±√(b＾2-4ac))/2a, and then the system determines the current If the application program is interactive typesetting software, the first description data (-b±√(b＾2-4ac))/2a can be converted into the second description data. Here, the data in MathML2.0 format can be used. The details are as follows:

Finally, the system sends the above-mentioned data in the MathML2.0 format to the interactive typesetting software, so that the interactive typesetting software performs analysis and typesetting according to the above-mentioned data in the MathML2.0 format, thereby outputting the root-finding formula

According to the above method for typesetting and outputting formulas, a system for typesetting and outputting formulas can be constructed. Referring to FIG. 3 , the system includes: a determination unit 100 , a conversion unit 200 and a notification unit 300 .

The determining unit 100 is configured to determine the first description data corresponding to the input formula code according to the stored correspondence between the formula code and the first description data of the formula.

The converting unit 200 is configured to convert the determined first description data into second description data supported by the current application according to the type of the current application.

The notification unit 300 is configured to send a notification to the current application program, so that the current application program performs typesetting and output according to the second description data.

Wherein, the determining unit 100 includes: a first determining subunit 110 and a second determining subunit 120 .

The first determination subunit 110 is configured to determine the current formula name corresponding to the input formula code according to the saved mapping relationship between the formula code and the formula name.

The second determining subunit 120 is configured to determine the first description data of the current formula name according to the saved first description data of the formula name.

The conversion unit 200 includes: a type subunit 210 , a first conversion subunit 220 and a second conversion subunit 230 .

The type subunit 210 is configured to determine the type of the currently used program according to the name of the current application program.

The first conversion subunit 220 is configured to convert the first description data into second description data supported by the formula typesetting software when it is determined that the current application program is formula typesetting software.

The second conversion subunit 230 is configured to convert the first description data into second description data supported by the non-formula typesetting software when it is determined that the current application program is non-formula typesetting software.

The first conversion subunit 220 further includes: an interactive conversion module and a non-interactive conversion module. in,

The interactive conversion module is used to convert the first description data into data in MathML format, data in LaTex\Tex format or data in linear format if the current application program is interactive typesetting software.

The non-interactive conversion module is configured to convert the first description data into data in command language format if the current application program is non-interactive typesetting software.

The second conversion subunit 240 also includes:

The image conversion module is configured to convert the first description data into data in an image format if the current application program is software that supports output in an image format.

The editor conversion module is configured to convert the first description data into MathML format data if the current application program is a Web editor.

In the embodiment of the present invention, the system for typesetting and outputting formulas can be an input method system, and the above-mentioned functional modules can be added to commonly used input method systems, so that accurate and fast typesetting and outputting formulas can be realized.

To sum up, in the embodiment of the present invention, the system first determines the first description data corresponding to the input formula code according to the correspondence between the stored formula code and the first description data of the formula, and then according to the type of the current application program, The determined first description data is converted into the second description data of the formula, and finally a notification is sent to the current application program, so that the current application program performs typesetting and output according to the second description data. In this way, you only need to input a simple formula code, and you can simply and quickly output the corresponding formula, which improves the input efficiency.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. A method for typesetting output formulas, characterized in that, comprising: According to the correspondence between the stored formula code and the first description data of the formula, determine the first description data corresponding to the input formula code; Converting the determined first description data into second description data supported by the current application according to the type of the current application; A notification is sent to the current application program, so that the current application program performs typesetting output according to the second description data. 2. The method according to claim 1, wherein the first description data corresponding to the determined input formula code comprises: Determine the current formula name corresponding to the entered formula code according to the saved mapping relationship between the formula code and the formula name; The first description data of the current formula name is determined according to the saved first description data of the formula name. 3. The method according to claim 1, wherein, according to the type of the current application, converting the determined first description data into the second description data supported by the current application comprises: Determine the type of the current application according to the name of the current application; When it is determined that the current application program is formula typesetting software, converting the first description data into second description data supported by formula typesetting software; When it is determined that the current application program is non-formula typesetting software, converting the first description data into second description data supported by non-formula typesetting software. 4. The method according to claim 3, wherein converting the first description data into the second description data supported by formula typesetting software comprises: If the current application program is an interactive typesetting software, the first description data is converted into data in MathML format, data in LaTex\Tex format or data in linear format; If the current application program is non-interactive typesetting software, converting the first description data into data in command language format. 5. The method according to claim 3, wherein converting the first description data into the second description data supported by non-formula typesetting software comprises: If the current application program is software that supports image format output, converting the first description data into data in image format; If the current application program is a web editor, converting the first description data into data in MathML format. 6. A system for typesetting and outputting formulas, comprising: A determining unit, configured to determine the first description data corresponding to the input formula code according to the stored correspondence between the formula code and the first description data of the formula; a conversion unit, configured to convert the determined first description data into second description data supported by the current application according to the type of the current application; The notification unit is configured to issue a notification to the current application program, so that the current application program performs typesetting and output according to the second description data. 7. The system according to claim 6, wherein the determining unit comprises: The first determination subunit is used to determine the current formula name corresponding to the input formula code according to the saved mapping relationship between the formula code and the formula name; The second determining subunit is configured to determine the first description data of the current formula name according to the saved first description data of the formula name. 8. The system according to claim 6, wherein the converting unit comprises: The type subunit is used to determine the type of the current application program according to the name of the current application program; The first conversion subunit is configured to convert the first description data into second description data supported by the formula typesetting software when it is determined that the current application program is formula typesetting software; The second conversion subunit is configured to convert the first description data into second description data supported by the non-formula typesetting software when it is determined that the current application program is non-formula typesetting software. 9. The system according to claim 8, wherein the first converting subunit comprises: An interactive conversion module, used to convert the first description data into data in MathML format, data in LaTex\Tex format or data in linear format if the current application program is an interactive typesetting software; The non-interactive conversion module is configured to convert the first description data into data in command language format if the current application program is non-interactive typesetting software. 10. The system according to claim 8, wherein the second converting subunit comprises: A picture conversion module, used to convert the first description data into data in a picture format if the current application program is software that supports picture format output; The editor conversion module is configured to convert the first description data into MathML format data if the current application program is a Web editor.

Images