CN102970596A - Method and system for realizing multi-language font display of set top box and set top box - Google Patents
Method and system for realizing multi-language font display of set top box and set top box Download PDFInfo
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- CN102970596A CN102970596A CN2012104942116A CN201210494211A CN102970596A CN 102970596 A CN102970596 A CN 102970596A CN 2012104942116 A CN2012104942116 A CN 2012104942116A CN 201210494211 A CN201210494211 A CN 201210494211A CN 102970596 A CN102970596 A CN 102970596A
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Abstract
The invention discloses a method and a system for realizing multi-language font display of a set top box and the set top box. The method comprises the steps of presetting Unicode scope, font size and font types, and matching lattice type matrixes corresponding to the Unicodes in system fonts according to the set font size and font types; storing the lattice type matrixes corresponding to the Unicodes on an memory bitmap, scanning the memory bitmap to obtain the lattice information of each Unicode in the memory bitmap, and storing the lattice information in a font file; encoding a character string to be displayed into Unicode, obtaining the lattice information of the Unicode from the font file, drawing the lattice information in a video memory sequentially and displaying fonts drawn in the video memory on a screen. According to the method, the multi-language font display of the digital set top box is realized. The multi-language font display is realized by software, and the realization mode is easy.
Description
Technical field
The present invention relates to the top box of digital machine field, in particular a kind of method, system and set-top box that realizes that the multilingual font of set-top box shows.
Background technology
Along with science and technology development particularly, top box of digital machine is come into huge numbers of families gradually, becomes people's indispensable equipment that televiews.Top box of digital machine is a kind of multimedia terminal, and the hardware architecture and special-purpose real time operating system and the application software that are similar to home computer are arranged.Top box of digital machine transmits a large amount of information, particularly Word message simultaneously by menu and user interactions, so the font that shows on the top box of digital machine is the most frequently used to the user.Different users is also different to the requirement of attitude, comprises the requirement to different fonts, different font sizes.
Yet, existing top box of digital machine is only supported ASCII character and GB2312 to the coding of literal, that is to say and only support english font and Chinese font, the font that can not show other language, use the user of Chinese and English for some, the large heavy discount of its use value has had a strong impact on the promotion and application of top box of digital machine.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the defects of prior art, provides a kind of method, system and set-top box that realizes that the multilingual font of set-top box shows, can not support the problem that multilingual font shows to solve existing top box of digital machine.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of method that realizes that the multilingual font of set-top box shows wherein, comprises step:
A, set-top box receive user instruction, preset Unicode code scope, font size and font type, and according to the dot-matrix font corresponding with each Unicode code in the font size of setting and the font type matching system font;
B, the dot-matrix font corresponding with each Unicode code left on the memory bitmap, scan described memory bitmap, obtain the lattice information of each Unicode code in memory bitmap, and described lattice information is kept in the font file;
C, be the Unicode code with string encoding to be shown, from described font file, obtain the lattice information of this Unicode code, described lattice information is plotted in the video memory successively, and the font that will be plotted in the described video memory is presented on the screen.
The method that the multilingual font of described realization set-top box shows, wherein, described step B also comprises: according to from top to bottom, from left to right the described memory bitmap of sequential scanning.
The method that the multilingual font of described realization set-top box shows, wherein, described step B also comprises: obtain the wide high information of each Unicode code in described memory bitmap, and described wide high information is kept in the described font file.
The method that the multilingual font of described realization set-top box shows, wherein, described step C also comprises:
At first character string to be shown being encoded with ISO8859, is the Unicode code with described ISO8859 code conversion again.
The method that the multilingual font of described realization set-top box shows, wherein, described system font is the windows font.
A kind of system that realizes that the multilingual font of set-top box shows, wherein, described system comprises:
Pretreatment module is used for preseting Unicode code scope, font size and font type, and according to the dot-matrix font corresponding with each Unicode code in the font size of setting and the font type matching system font;
Coding module, be used for that described pretreatment module is processed the dot-matrix font corresponding with each Unicode code that obtains and leave a memory bitmap in, scan described memory bitmap, obtain the lattice information of each Unicode code in memory bitmap, and described lattice information is kept in the font file;
The font display module, being used for string encoding to be shown is the Unicode code, from the font file that described coding module generates, obtain the lattice information of this Unicode code, described lattice information is left in the memory bitmap successively, and the font that will deposit out in described memory bitmap is presented on the screen.
The system that the multilingual font of described realization set-top box shows, wherein, described coding module according to from top to bottom, from left to right the described memory bitmap of sequential scanning.
The system that the multilingual font of described realization set-top box shows, wherein, described coding module also is used for obtaining each Unicode code in the wide high information of described memory bitmap, and described wide high information is kept in the described font file.
A kind of set-top box, wherein, described set-top box comprises the system that the multilingual font of above-mentioned realization set-top box shows.
Method, system and set-top box that the multilingual font of realization set-top box provided by the present invention shows, owing to adopted character string to be shown is carried out the Unicode coding, the multilingual font that has realized top box of digital machine shows, and realize by software, implementation procedure is simple, show that fresh fruit is remarkable, be beneficial to the promotion and application of top box of digital machine.
Description of drawings
Fig. 1 is the method flow diagram of the multilingual demonstration of realization set-top box provided by the invention.
Fig. 2 is the system configuration schematic diagram of the multilingual demonstration of realization set-top box provided by the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the method flow diagram of the multilingual demonstration of realization set-top box provided by the invention, may further comprise the steps:
Step S100, set-top box receive user instruction, preset Unicode code scope, font size and font type, and according to the dot-matrix font corresponding with each Unicode code in the font size of setting and the font type matching system font;
Step S200, the dot-matrix font corresponding with each Unicode code left on the memory bitmap, scan described memory bitmap, obtain the lattice information of each Unicode code in memory bitmap, and described lattice information is kept in the font file;
Step S300, be the Unicode code with string encoding to be shown, from described font file, obtain the lattice information of this Unicode code, described lattice information is left in the memory bitmap successively, and the font that will deposit out in described memory bitmap is presented on the screen.
Below in conjunction with specific embodiment above-mentioned steps is described in detail and describes.
The present invention adopts the Unicode character code to come the character library in the top box of digital machine is re-constructed, and the below carries out simple declaration to Unicode.Unicode(Unicode, ten thousand country codes, single code) be a kind of character code that uses on computers.It is in every kind of language each character setting unified and unique binary coding, stride language, the cross-platform requirement of carrying out text-converted, processing to satisfy.Unicode be international organization formulate can hold the in the world character coding method of all literal and symbol.Unicode shines upon these characters with digital 0-0x10FFFF, can hold at most 1114112 characters, and 1114112 code bits are arranged in other words.Code bit is exactly to distribute to the numeral of character.UTF-8, UTF-16, UTF-32 are with the encoding scheme of digital translation to routine data.The present invention can adopt a kind of in above-mentioned several encoding scheme, but is not limited to a certain.
In step S100, because every kind of language is corresponding different Unicode code scope all, for example, the Unicode code scope of Chinese is 4E00-9FBF, substantially Latin Unicode code scope is 0000-007F, and the Unicode code scope of Arabic is 0600-06FF etc.The present invention at first sets different Unicode code scopes according to different language.Simultaneously font size and font type are also set accordingly.In the windows font, each font has dot-matrix font separately.Therefore, after the Unicode of font code, font size and font type are set, search the dot-matrix font of each Unicode code correspondence according to font size and the font type set in the windows font, these dot-matrix fonts are some with 0 and 1 matrix that represents.Can easily distinguish each Unicode code by these dot-matrix fonts, and then distinguish its represented different fonts.System font of the present invention is not limited to the windows font, also can be other system font, for example ios system font, os system font etc.
In step S200, set-top box is to Installed System Memory application one memory bitmap, be used for leaving in each dot-matrix font that step S100 obtains, after leaving in each dot-matrix font on the described memory bitmap, memory bitmap is scanned, in order to obtain wide high information and the lattice information of each Unicode code, the wide high information here is the wide height of pixel of each Unicode code.The present invention is according to from top to bottom, in sequence from left to right to the scanning of memory bitmap.And wide high information and the lattice information that scanning obtains be kept in the font file, every kind of language has font file separately, is independent of each other each other.By this step, the present invention has just finished the recompile to multilingual font, and has formed character library separately.
After finishing said process, beginning execution in step S300 shows multilingual font.When showing, at first character string to be shown is encoded, character string to be shown is encoded with ISO8599, certainly, be not limited to the ISO8599 coding.Be the Unicode code with the ISO8599 code conversion again, with character string to be shown take ISO8599 coding, again with the ISO8599 code conversion as the implementation procedure of Unicode code simple, code efficiency is higher.
After string encoding is the Unicode code, begin this Unicode code is carried out matching treatment, obtain the lattice information of this unicode code in the font file that from step S200, obtains, then be plotted in the video memory at the lattice information with this Unicode code, what show in video memory at this moment, is font behind Unicode coding.At last, the font that shows in the video memory is presented on the screen, because the Unicode coding is supported multilingual, therefore, after the process above-mentioned steps, the font that shows at screen also is multilingual font again.
The method that the multilingual font of above-mentioned realization of the present invention shows realizes that by software do not need extra hardware cost, implementation is simple, and successful.
Based on the method that the multilingual font of above-mentioned realization set-top box shows, the present invention also provides a kind of system that realizes that the multilingual font of set-top box shows, as shown in Figure 2, this system comprises:
Further, the coding module of this system according to from top to bottom, from left to right the described memory bitmap of sequential scanning, and in the lattice information that obtains each Unicode code, also obtain the wide high information of each Unicode code in described memory bitmap, and described wide high information is kept in the described font file, so that follow-up conversion to font size.
The present invention also provides a kind of set-top box, and this set-top box comprises the system that the multilingual font of above-mentioned realization shows, certainly, set-top box provided by the invention is top box of digital machine.
In sum, method, system and set-top box that the multilingual font of realization set-top box provided by the invention shows by to character string turnover Unicode coding to be shown, have realized that the multilingual font of top box of digital machine shows.And realize that by software not only implementation is simple, save cost, and display effect is remarkable, is beneficial to the promotion and application of top box of digital machine.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (9)
1. a method that realizes that the multilingual font of set-top box shows is characterized in that, comprises step:
A, set-top box receive user instruction, preset Unicode code scope, font size and font type, and according to the dot-matrix font corresponding with each Unicode code in the font size of setting and the font type matching system font;
B, the dot-matrix font corresponding with each Unicode code left on the memory bitmap, scan described memory bitmap, obtain the lattice information of each Unicode code in memory bitmap, and described lattice information is kept in the font file;
C, be the Unicode code with string encoding to be shown, from described font file, obtain the lattice information of this Unicode code, described lattice information is plotted in the video memory successively, and the font that will be plotted in the described video memory is presented on the screen.
2. the method that shows of the multilingual font of realization set-top box according to claim 1 is characterized in that described step B also comprises: according to from top to bottom, from left to right the described memory bitmap of sequential scanning.
3. the method that shows of the multilingual font of realization set-top box according to claim 1 and 2, it is characterized in that, described step B also comprises: obtain the wide high information of each Unicode code in described memory bitmap, and described wide high information is kept in the described font file.
4. the method that shows of the multilingual font of realization set-top box according to claim 1 is characterized in that described step C also comprises:
At first character string to be shown being encoded with ISO8859, is the Unicode code with described ISO8859 code conversion again.
5. the method for the multilingual font demonstration of realization set-top box according to claim 1 is characterized in that described system font is the windows font.
6. system that realizes that the multilingual font of set-top box shows is characterized in that described system comprises:
Pretreatment module is used for preseting Unicode code scope, font size and font type, and according to the dot-matrix font corresponding with each Unicode code in the font size of setting and the font type matching system font;
Coding module, be used for that described pretreatment module is processed the dot-matrix font corresponding with each Unicode code that obtains and leave a memory bitmap in, scan described memory bitmap, obtain the lattice information of each Unicode code in memory bitmap, and described lattice information is kept in the font file;
The font display module, being used for string encoding to be shown is the Unicode code, from the font file that described coding module generates, obtain the lattice information of this Unicode code, described lattice information is left in the memory bitmap successively, and the font that will deposit out in described memory bitmap is presented on the screen.
7. the system that shows of the multilingual font of realization set-top box according to claim 6 is characterized in that, described coding module according to from top to bottom, from left to right the described memory bitmap of sequential scanning.
8. the system that shows of the multilingual font of realization set-top box according to claim 6, it is characterized in that, described coding module also is used for obtaining each Unicode code in the wide high information of described memory bitmap, and described wide high information is kept in the described font file.
9. a set-top box is characterized in that, described set-top box comprises the system that the multilingual font of each described realization set-top box of claim 6 to 8 shows.
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| CN104469468A (en) * | 2014-12-26 | 2015-03-25 | 珠海迈越信息技术有限公司 | Multi-language display method for OLED front panel of set top box |
| CN106021205A (en) * | 2016-06-17 | 2016-10-12 | 宁波柯力传感科技股份有限公司 | Language and character display method for large dot matrix screen |
| CN106293587A (en) * | 2016-08-24 | 2017-01-04 | 上海伟世通汽车电子系统有限公司 | Multilingual dynamic display method and display system thereof for vehicle-mounted digital instrument |
| CN107203311A (en) * | 2017-05-11 | 2017-09-26 | 西安诺瓦电子科技有限公司 | The display methods and device of multi-language menus |
| CN109086256A (en) * | 2018-07-12 | 2018-12-25 | 郑州众智科技股份有限公司 | A kind of generation and application method of the character library dot matrix that length is variable |
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| CN110188329A (en) * | 2019-05-29 | 2019-08-30 | 惠州市德赛西威汽车电子股份有限公司 | Method for mutually conversing and its system between the number of both font types |
| CN110597591A (en) * | 2019-09-17 | 2019-12-20 | 深圳融昕医疗科技有限公司 | Interface multi-language implementation method and device of embedded equipment and storage medium |
| CN110597591B (en) * | 2019-09-17 | 2022-10-14 | 深圳融昕医疗科技有限公司 | Interface multi-language implementation method and device of embedded equipment and storage medium |
| CN111028441A (en) * | 2019-10-31 | 2020-04-17 | 艾体威尔电子技术(北京)有限公司 | Method for displaying various languages and characters on micro memory password keyboard |
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