CN114428658A - Method for displaying Myanmar by set top box - Google Patents
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- CN114428658A CN114428658A CN202210088977.8A CN202210088977A CN114428658A CN 114428658 A CN114428658 A CN 114428658A CN 202210088977 A CN202210088977 A CN 202210088977A CN 114428658 A CN114428658 A CN 114428658A
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- 238000013507 mapping Methods 0.000 claims description 7
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- 239000011159 matrix material Substances 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/454—Multi-language systems; Localisation; Internationalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
- G06F40/126—Character encoding
- G06F40/129—Handling non-Latin characters, e.g. kana-to-kanji conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4856—End-user interface for client configuration for language selection, e.g. for the menu or subtitles
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Abstract
The invention discloses a method for displaying Myanmar by a set top box. The existing method can not directly use the Win Inwa word stock to display Burmese and can not meet the multi-language requirements of products. Firstly, selecting a Unicode section which is not used in a UTF-8 encoding word stock of a set top box, and putting Win Innwa characters into corresponding offset addresses one by one; the set top box increases the offset of the Win Inwa codes one by one and converts the Win Inwa codes into Unicode codes; and (4) using Unicode encoding to draw and display Burmese characters in the designated Unicode encoding section in the extended word stock. The method supports the display of Win Inwa coding service information sent by an operator, simultaneously supports the display of Burma by local character string codes, realizes the simultaneous support of Burma and UTF-8 coding display on the basis of minor software modification, and meets the requirements of Burma operators.
Description
Technical Field
The invention belongs to the field of set top boxes, and particularly relates to a method for displaying Burmese by a set top box.
Background
ASCII (American Standard Code for Information exchange Code, American Standard Code for Information exchange) is a set of coding systems based on latin letters. The encoding range is 0x00 to 0x7F, mainly used for displaying modern english. The Extended version of easci (Extended ASCII) may partially support other western european languages, and easci is an extension of ASCII code from 7 bits to 8 bits. The coding range of EASCII is 0x00 to 0xFF, and the expanded symbols include table symbols, calculation symbols, Greek letters and special Latin symbols.
Unicode is an industry standard in the field of computer science, and includes character sets, encoding schemes, and the like. Unicode is generated to solve the limitation of the traditional character encoding scheme, and sets a uniform and unique binary code for each character in each language so as to meet the requirements of cross-language and cross-platform text conversion and processing. The implementation of Unicode is different from the encoding. The Unicode encoding of a character is determined. However, in the actual transmission process, the Unicode coding is implemented differently due to the design inconsistency of different system platforms and for the purpose of saving space.
An implementation of Unicode is called Unicode Transformation Format (UTF). UTF-8 is one of the most commonly seen encoding formats. This is a variable length coding format, the purpose of which is to save memory space. All valid encoding points in the Unicode character set are encoded with one to four bytes.
UTF-8 uses the single byte of the binary value same as the ASCII code to encode the first 128 characters in the Unicode for backward compatibility with the ASCII code, and the characters correspond to the characters of the ASCII code one by one, so that the original software for processing the ASCII characters can be continuously used without or with only small modification. Since 2009 UTF-8 has been the most prominent form of encoding of the world wide web. In Unicode, a segment is defined as a range of a set of consecutive code bits. The segments are given unique names and there is no overlap between segments. For example:
the range of Basic Latin alphabet (Basic Latin) segments U +0000 to U + 007F;
latin letters Supplement-1 (Latin-1 Supplement) segment range from U +0080 to U +00 FF;
a Braille Pattern (Braille Patterns) zone range U +2800 to U +28 FF;
the range of Chinese-Japanese-Korean Uniideographs (CJK Unified ideograms) segments is U +4E00 through U +9 FFF.
Burmese belongs to the character of the Veromi series, and the writing characteristics are round. The number of characters is large, and most characters are formed by combining hundreds of graphic characters. For historical reasons, for a long time, Burma has not had an official unified coding standard, and many font manufacturers have designed and released different Burma codes, including Win Innwa, Myazedi, Zawgyi, etc. Win Innwa is the Burma character which is circulated in Burma nationwide at the earliest time, and Win Innwa is developed in an ASCII coding system of single byte coding. Essentially, the English font is changed into a shape which is incompatible with English, and the corresponding relation between a plurality of UTF-8 coded Latin characters and Win Inwa coded Burmese characters is as follows:
character encoding 0x 21: english'! ', Burmese
Character encoding 0x 62: english 'b', Burmese
Character encoding 0x 63: english 'c', Burmese
Although the Burma government announced that Unicode standards were adopted across the country in 2019, Burma program operators still kept using Win Innwa to encode the services offered in order to support the cost pressures of sold products and upgrading systems. The program name and electronic program list of the operation program are all Win Inwa code, the operator uses private protocol to transmit Win Inwa character string code, the starting identifier is defined as ' (', ending identifier is) ', the data between the starting identifier and the ending identifier is Win Inwa code wordA string. Generally, the set-top box supports multi-language display using a standard UTF-8 font library, and there is a conflict because Win Innwa encoding is incompatible with UTF-8 encoding. Therefore, the failure to directly use the Win Innwa word library to display Burma causes abnormal display of Latin characters, which fails to satisfy the multi-language requirements of products, and fails to simultaneously support Burma coded by Win Innwa and character strings coded by UTF-8, which fails to satisfy the product requirements of Burma operators.
The invention patent with the patent number of 201010577378.X discloses a method for displaying Burma by a set-top box, which comprises the steps of converting character strings of a Burma character library on a PC (personal computer) into dot matrix data, simultaneously recording the width and height data of each character string into the dot matrix character library, registering character strings needing to be combined with other character strings in the Burma character library, and registering the initial coordinates and the positions of the character strings participating in combination in the dot matrix character library; when the set-top box needs to display Burmese, the required character strings in the dot matrix character library are searched according to the character codes, the character data of the character strings are taken out to obtain the width and height of the character strings, the next character code needing to be combined is read, the required character strings are taken out, and the combination is carried out according to the initial coordinates and the position of the previous character string to complete the display of the complete Burmese characters. Although this method solves the problem of displaying the Burmese, it is a method of converting into a dot-matrix character library, and a standard character library processing program cannot be used, for example, the character size cannot be adjusted.
Disclosure of Invention
The invention aims to solve the problem that a set top box cannot simultaneously support displaying of a UTF-8 coded character string and a Win Innwa coded Burma, and provides a method for displaying Burma by the set top box, so that the set top box simultaneously supports displaying of the UTF-8 coded character string and Burma Win Innwa coded Burma, and simultaneous support of UTF-8 coded multi-language display and Win Innwa coded Burma display is realized.
The invention is realized by the following technical scheme:
firstly, mapping Win Inwa characters to a UTF-8 coding word stock one by one to obtain an extended word stock; then the set top box converts the acquired Win Inwa character code into a Unicode code, and displays Myanmar characters by using an extended word stock; the method comprises the following steps:
the Win Innwa coding range is 0x 00-0 xFF, a Unicode section which is not used in a UTF-8 coding word stock of the set top box is selected, the Win Innwa characters are placed into corresponding offset addresses one by using a word stock editing tool, and the mapped extended word stock simultaneously supports UTF-8 coding and Win Innwa coding;
the set top box increases the offset of the Win Inwa codes one by one and converts the Win Inwa codes into Unicode codes; and the set top box uses the Unicode to carry out drawing and display on Burma characters in the designated Unicode coding section in the extended word stock.
The set top box displays the operator Win Innwa coding Burmese by using the extended font library, which comprises the following specific steps:
the method comprises the steps that (1) a set top box receives service information of an operator, the operator transmits Win Inwa character string codes by using a private protocol, a starting identifier and an ending identifier are defined, and data between the starting identifier and the ending identifier are Win Inwa code character strings;
step (2), the set top box detects a starting identifier and an ending identifier, and takes out the Win Innwa code;
step (3) the set top box increases the offset of the Win Innwa codes one by one and converts the Win Innwa codes into Unicode codes;
and (4) the set top box uses Unicode encoding to draw and display Burma characters in the designated Unicode encoding section in the extended word stock.
The set top box displays the Burmese in the set top box by using the extended word stock, which comprises the following specific steps:
step (I), a local character string required to be displayed by the set top box is coded by using Win Innwa;
step (II), increasing the offset of Win Inwa codes one by one, and converting the Win Inwa codes into Unicode codes;
and (III) the set top box uses Unicode encoding to draw and display Burma characters in the designated Unicode encoding section in the extended word stock.
The method maps the Win Innwa characters to the UTF-8 coding word stock one by one, and the expanded word stock after mapping can simultaneously support UTF-8 coding and Win Innwa coding. On one hand, the display of Win Inwa coding service information sent by an operator is supported, and on the other hand, the display of Burmese is supported by local character string coding. By utilizing the method, the method simultaneously supports the Myanmar and the UTF-8 coding display on the basis of small change of software, and meets the requirements of the Myanmar operator.
Drawings
FIG. 1 is a flow chart of the extended word stock mapping Win Innwa characters of the present invention;
FIG. 2 is a flow chart showing the operator Win Inwa encoding Burma text using the extended font library according to the present invention;
FIG. 3 is a flow chart showing the set-top box built-in Burmese using the extended word stock according to the present invention;
FIG. 4 is a diagram illustrating extended word stock processing and character display according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
A set-top box displays Myanmar, need map Win Innwa characters to UTF-8 in the word stock one by one at first, get and expand the word stock; and then the set top box converts the acquired Win Inwa character code into a Unicode code, and displays Myanmar characters by using the extended word stock.
FIG. 1 is a flow chart of Win Innwa character mapping, which maps Win Innwa characters into UTF-8 encoding word banks one by one. The Win Innwa coding range is 0x 00-0 xFF, a Unicode section which is not used in a UTF-8 coding word stock of the set top box is selected, the Win Innwa characters are placed into corresponding offset addresses one by using a word stock editing tool, and the mapped extended word stock simultaneously supports UTF-8 coding and Win Innwa coding. The specific process is as follows:
selecting an unused Unicode coding section from a UTF-8 coding font of a set top box, wherein a Braille model (Braille Patterns) section is selected as an example in the embodiment, the coding range is from U +2800 to U +28FF, and the offset is 0x 2800;
step (2), the Win Innwa coding range is 0x 00-0 xFF, and the Win Innwa coding characters are put into the offset addresses of the selected Unicode coding section one by using a word stock editing tool, for example:
win Innwa character code 0x21 character
Putting UTF-8 coding U + 2821;
win Innwa character code 0x62 character
Putting UTF-8 coding U + 2862;
win Innwa character code 0x63 character
Putting UTF-8 coding U + 2863;
the extended word stock after mapping supports Win Inwa Burmese characters under the condition that the original Unicode coding section is not influenced, and the set top box supports Win Inwa coding Burmese display sent by an operator and displays Burmese in the set top box in the following mode.
Fig. 2 shows a process of displaying an operator Win inwa encoding Burmese by using an extended font library by a set-top box, which is specifically as follows:
the method comprises the steps that (1) a set top box receives operation business information, an operator transmits Win Inwa character string codes by using a private protocol, a starting identifier (such as '(') and an ending identifier (such as '))') is defined, and data between the starting identifier and the ending identifier is Win Inwa code character strings;
step (2), the set top box detects a starting identifier and an ending identifier, and takes out the Win Innwa code;
step (3) the set top box increases the offset of Win Innwa codes one by one and converts the Win Innwa codes into Unicode codes; the added offset is the offset of the selected Unicode section when the word stock is expanded; the offset amount is 0x2800 in this embodiment;
and (4) the set top box uses the Unicode to draw and display Burma characters in the specified Unicode coding section in the extended word stock.
Take the receiving operator Win Innwa code "((tm & S))" as an example:
detecting the start identifier and the end identifier, and encoding Win InnwaTaking, i.e. "tm&S "; the Win Inwa coding sequence is '0 x 740 x6D 0x 260x 53' corresponding to four characters
And
the Burmese character string is
Adding offset and converting into Unicode coding of '0 x 28740 x286D 0x28260x 2853', the set-top box uses Unicode coding of '0 x 28740 x286D 0x28260x 2853' to draw and display Burmese characters in the designated Unicode section in the extended font, namely, the Burmese characters are displayed as
Fig. 3 shows a process of displaying the Burmese of the set-top box by using the extended word stock, which is specifically as follows:
step (1), a local character string required to be displayed by the set top box is coded by using Win Innwa;
step (2) increasing the offset of Win Inwa codes one by one and converting the Win Inwa codes into Unicode codes;
and (3) using Unicode encoding to draw and display Burmese characters in the designated Unicode encoding section in the extended word stock.
Burma character string with semantic of "Asia" needing to be displayed
For example, consisting of four Burma characters
And
conversion to the Win Innwa code sequence is "0 x 740 x6D 0x 260x 53"; adding offset conversion to Unicode section encoding "0 x 28740 x286D 0x28260x 2853"; set-top boxWhen in display, Unicode encoding '0 x 28740 x286D 0x28260x 2853' is used for drawing and displaying Burmese characters in the designated Unicode section in the extended word stock, namely displaying the Burmese characters as
Fig. 4 is a schematic diagram of extended word stock processing and character display according to the present invention, which shows the process of displaying corresponding characters of the characters of 0x21 encoded by Win Innwa encoding and UTF-8 encoding.
The technical key points of the invention mainly comprise:
1. first, the Win Innwa characters need to be mapped into a UTF-8 encoding word library one by one. The Win Innwa coding range is 0x 00-0 xFF, a Unicode section which is not used in a UTF-8 coding word stock of the set top box is selected, Win Innwa characters are placed into corresponding offset addresses one by using a word stock editing tool, and the mapped extended word stock can simultaneously support UTF-8 coding and Win Innwa coding;
2. the extended word stock after mapping supports Win Inwa Burma characters without affecting the original Unicode encoding section. The set top box receives operation business information, an operator transmits Win Inwa character string codes by using a private protocol, data between a starting identifier and an ending identifier are Win Inwa code character strings, the set top box detects the starting identifier and the ending identifier, offsets are increased one by one after the Win Inwa codes are taken out and converted into Unicode codes, and Burmese characters in a designated Unicode code coding section in an extended word stock are drawn and displayed by using the Unicode codes;
3. on the other hand, the method supports displaying local character strings, uses Win Inwa coding on the character strings to be displayed, then converts Win Inwa coding into Unicode coding by increasing offset one by one, and uses Unicode coding to draw and display Burmese characters in a designated Unicode coding section in an extended word stock;
4. according to the invention, the Win Innwa characters are mapped to the UTF-8 coding word stock one by one, and the mapped extended word stock can simultaneously support UTF-8 coding and Win Innwa coding. On one hand, the display of Win Inwa coding service information sent by an operator is supported, and on the other hand, the display of Burmese is supported by local character string coding. The method realizes the simultaneous support of Myanmar and UTF-8 coding display on the basis of minor software modification, and meets the requirements of Myanmar operators.
Claims (4)
1. A method for displaying Myanmar by a set top box is characterized by comprising the following steps: firstly, mapping Win Inwa characters to a UTF-8 coding word stock one by one to obtain an extended word stock; then the set top box converts the acquired Win Inwa character code into a Unicode code, and displays Myanmar characters by using an extended word stock; the method comprises the following steps:
the Win Inwa coding range is 0x 00-0 xFF, a Unicode section which is not used in a UTF-8 coding word stock of the set top box is selected, Win Inwa characters are placed into corresponding offset addresses one by using a word stock editing tool, and the mapped extended word stock simultaneously supports UTF-8 coding and Win Inwa coding;
the set top box increases the offset of the Win Inwa codes one by one and converts the Win Inwa codes into Unicode codes; and the set top box uses the Unicode to carry out drawing and display on Burma characters in the designated Unicode coding section in the extended word stock.
2. The method for displaying Burmese by the set-top box as claimed in claim 1, wherein the set-top box displays Burmese encoded by Win Inwa of the operator by using the extended font library, which is as follows:
the method comprises the steps that (1) a set top box receives service information of an operator, the operator transmits Win Inwa character string codes by using a private protocol, a starting identifier and an ending identifier are defined, and data between the starting identifier and the ending identifier are Win Inwa code character strings;
step (2), the set top box detects a starting identifier and an ending identifier, and takes out the Win Innwa code;
step (3) the set top box increases the offset of the Win Innwa codes one by one and converts the Win Innwa codes into Unicode codes;
and (4) the set top box uses Unicode encoding to draw and display Burma characters in the designated Unicode encoding section in the extended word stock.
3. The method for displaying Burma by a set-top box according to claim 1, wherein the set-top box displays Burma in the set-top box by using an extended word library, which is as follows:
step (I), a local character string required to be displayed by the set top box is coded by using Win Innwa;
step (II), increasing the offset of Win Inwa codes one by one, and converting the Win Inwa codes into Unicode codes;
and (III) the set top box uses Unicode encoding to draw and display Burma characters in the designated Unicode encoding section in the extended word stock.
4. A method for a set top box to display rememar as recited in claim 2 or 3, wherein: when the Win Innwa code is converted into the Unicode code, the added offset is the offset of the selected Unicode section when the font library is expanded.
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Patent Citations (6)
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| US20050102623A1 (en) * | 2003-08-04 | 2005-05-12 | Yuan-Chang Chin | AV decoding/playing/copying system and related method for displaying a DBCS through an OSD |
| CN1592372A (en) * | 2003-08-26 | 2005-03-09 | 扬智科技股份有限公司 | Method for displaying dibit word set and image sound encoding / replaying /copying system |
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Address after: 310012 5-6 / F, block a, East Software Park Innovation Building, 90 Wensan Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Guoxin Microelectronics Co.,Ltd. Country or region after: China Address before: 310012 5-6 / F, block a, East Software Park Innovation Building, 90 Wensan Road, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU NATIONALCHIP SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |