CN101742149A - Digital television with font enlarging function and font enlarging method thereof - Google Patents
Digital television with font enlarging function and font enlarging method thereof Download PDFInfo
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- CN101742149A CN101742149A CN200810226028A CN200810226028A CN101742149A CN 101742149 A CN101742149 A CN 101742149A CN 200810226028 A CN200810226028 A CN 200810226028A CN 200810226028 A CN200810226028 A CN 200810226028A CN 101742149 A CN101742149 A CN 101742149A
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Abstract
The invention discloses a digital television with the font enlarging function and a font enlarging method thereof. The method comprises the following steps: A. pre-storing multiple sets of font libraries of enlarged fonts; B. inputting a font enlarging command, obtaining the current text and judging whether the current text conforms to the enlarging condition, if so, entering the step C, or ignoring the input command; C. setting an enlarged font display zone by a user; D. drawing the enlarged font display zone and displaying the enlarged fonts according to the size of the obtained fonts and the size of the enlarged font display zone; and E. inputting an exit command, clearing the enlarged font display zone and getting back to the original interface display. The invention is convenient for different people to view the font information.
Description
Technical field
The present invention relates to digital TV field, particularly relate to a kind of Digital Television and literal amplification method thereof with literal enlarging function.
Background technology
Digital Television is meant that all being to use digital television signal or all signals of this system are propagated to all links of emission, transmission, reception from the studio all is to propagate by the digital stream that is made of 0,1 numeric string, the propagation rate of digital signal is per second 19.39 Mbytes, the transmission of so big data flow has guaranteed the high definition of Digital Television, has overcome the inadequate natural endowment of simulated television.Simultaneously also since Digital Television exist when can allow several standard signal, can be divided into several sub-channels under each digital channel again, thereby both can be with a high amount of traffic--per second 19.39 Mbytes, also it can be divided into several shuntings, for example 4, the speed of each is exactly per second 4.85 Mbytes, though the definition of image will be had a greatly reduced quality like this, but can increase the kind of information greatly, meet the different needs.
In Digital Television, adopted the bidirectional transfer of information technology, increased interaction capabilities, given TV many brand-new functions, make people obtain various network services according to the demand of oneself, comprise new business such as video request program, shopping online, remote teaching, tele-medicine, make television set become genuine information household appliances.It provides the bigger degree of freedom, more right to choose, and stronger interaction capabilities passes the required of user, sees institute's point of user, has improved the property of participation of program effectively, and is interactive, specific aim.Digital Television also provides other service, comprises data transmission, broadcast videography, service on net etc.The user can use the stock exchange of TV reality, information inquiry, surfing on the net etc., makes TV be endowed new purposes, has expanded the function of TV, TV has been become the window of interchange from the window of sealing.
Along with the function of Digital Television becomes increasingly abundant, various new functions emerge in an endless stream, on limited screen, often need to show a large amount of information, because the restriction of the screen size of Digital Television own, caused on the screen font less relatively, particularly read literal effort very on the screen for the not good enough person of eyesight.In the prior art, the method that some can amplify image or literal is disclosed, but not specially at the amplification method of Digital Television literal.
Summary of the invention
The object of the present invention is to provide a kind of Digital Television and literal amplification method thereof, be convenient to different crowd and watch Word message with literal enlarging function.
For realizing the literal amplification method of a kind of Digital Television that purpose of the present invention provides, comprise the following steps:
A. pre-storing multiple sets font libraries of enlarged fonts;
B. import font and amplify order, obtain current text and judge whether current text meets the amplification condition, the eligible step C that then enters; Otherwise ignore input command;
C. the user is provided with the magnifying text viewing area;
D. draw the magnifying text viewing area,, show the literal after amplifying according to the size of font size of obtaining and magnifying text viewing area;
E. input exits command, and removes the magnifying text viewing area, recovers original interface and shows.
The described method that the magnifying text viewing area is set is: be provided with in the menu of Digital Television or defined by the external pointer type equipment of TV.
Described step D comprises the following steps:
D1. cover Zone Full to remove original interface at the OSD layer with Transparent color, draw the frame and the background color of magnifying text viewing area;
D2. according to little-in-big-little circular order, select corresponding font according to touch potential;
D3. calculate the width of magnifying text viewing area, the character duration and the interval of font, judge that whether content of text surpasses the bottom of magnifying text viewing area, changes step D4 over to if surpass, otherwise enters step D5;
D4. add scroll bar, a magnifying text viewing area display part literal;
D5. show the literal after amplifying in the magnifying text viewing area;
D6. judge whether to send once more and amplify order, if then return step D1; Otherwise enter step e.
Among the step D4, the user is by watching the Word message of failing in the demonstration of magnifying text viewing area by " key up and down " or " page turning key ".
Described font is amplified order and is sent by pressing " amplification " button.
Described amplification condition comprises: whether the text of judging current window is null character (NUL), and perhaps text is the character that current machine font can not show; Whether the font of judging current text has met or exceeded scalable maximum font, if then must not enter amplification procedure.
For realizing that purpose of the present invention also provides a kind of Digital Television with literal enlarging function, comprise display screen, control circuit and signal receiving unit, also comprise:
" amplification " button is used to send amplify and orders;
Amplify control unit, be used to draw the magnifying text viewing area, according to the size of font size of obtaining and magnifying text viewing area, the literal after transmission is amplified is to display screen;
The library stores unit is used for the storing multiple sets font libraries of enlarged fonts.
Described amplification control unit comprises again:
The Region control unit is used to store and calculate the width of magnifying text viewing area, the character duration and the interval of font, and the magnifying text viewing area is set;
The font control unit is used to control font size.
Described Digital Television, subsidiary remote controller, described " amplification " button is arranged on the described remote controller, is used for sending the amplification order to described Digital Television.
Beneficial effect of the present invention is: by selected literal is carried out amplifieroperation, and the literal that amplifies is presented at the optional position of display screen, so that different crowd is checked Word message.
Description of drawings
Fig. 1 is the flow chart of the literal amplification method of Digital Television of the present invention;
Fig. 2 is the flow chart that shows current text among the present invention in the magnifying text viewing area;
Fig. 3 A and Fig. 3 B are the comparison diagrams that among the present invention the literal in the Digital Television is amplified front and back;
Fig. 4 is the structure chart that the present invention has the Digital Television of literal enlarging function;
Fig. 5 is the schematic diagram of the remote controller of the Digital Television with literal enlarging function of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, a kind of Digital Television and literal amplification method thereof with literal enlarging function of the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of Digital Television and literal amplification method thereof of the present invention with literal enlarging function, be dot matrix word library or the true type font that the multiple fonts size is set by the application program inside in Digital Television, after receiving " amplification " press key message, current display area is planned again, with the literal after scroll bar or the additive method demonstration change font size.Be convenient to different crowd and watch Word message.
Introduce the literal amplification method of a kind of Digital Television of the present invention in detail below in conjunction with above-mentioned target, Fig. 1 is the flow chart of the literal amplification method of Digital Television of the present invention; As shown in Figure 1, comprise the following steps:
Step S100, the pre-storing multiple sets font libraries of enlarged fonts;
Pre-storing multiple sets is corresponding to the character library and the original character library of a cover of different enlargement ratios in Digital Television.
Supposed to store in advance in the Digital Television " greatly " " in " " little " three covers are corresponding to the character library and the original character library of a cover of different enlargement ratios.Character library " greatly " is 300% to deserved enlargement ratio, character library " in " be 200% to deserved enlargement ratio, character library " little " is 150% to deserved enlargement ratio.
Step S200, the input font is amplified order, obtains current text and judges whether the text of current window meets the amplification condition, the eligible step S300 that then enters; Otherwise ignore input command;
Described amplification condition comprises: whether the text of judging current window is null character (NUL), and perhaps text is the character (for example arabian writing is under the environment of only supporting Chinese and English font) that current machine font can not show; Whether the font of judging current text has met or exceeded scalable maximum font, if then must not enter amplification procedure.
The television decoding chip of main flow all supports the decoding of MPEG2 audio frequency and video, the PID of transport stream TS (Transport Stream) to filter and basic figure layer function at present.In the output of chip rear end, form the video layer, a plurality of figure layers such as OSD (On Screen Display) layer, forming final signal through stack again outputs on the display screen, user interface (User Interface, UI) the various menus in, EPG, captions etc. draw, remove processing at the OSD layer.The dimension definitions of OSD layer ultimate resolution general and display screen is complementary, and main product mostly is 1366 * 768,1920 * 1080 etc. at present.
The user is by amplifying order by " amplification " button to Digital Television input font, after the control system of Digital Television receives and amplifies order, obtain current OSD layer, and judge that whether current OSD layer has the content of text that meets the amplification requirement to show, does not then ignore this and amplifies order.
Preferably, described " amplification " button both can be arranged on the body of Digital Television itself, also can be arranged on to be used on the remote controller of control figure TV.
Step S300, user are provided with the magnifying text viewing area;
By the setting of magnifying text viewing area, the user can be deployed into Word message any zone of screen, avoids carrying out in situ amplifieroperation, covers normal image information, hinders the user to watch.
The described method that the magnifying text viewing area is set is: be provided with in the menu of Digital Television or defined by the external pointer type equipment (mouse etc.) of TV.Menu setting can be simply as follows, and * * * is the numeral of user's input, and its zone that is restricted to setting can not surpass OSD layer size range, surpasses then to point out the user to re-enter.Form is as follows:
Left upper apex position: x:***; Y:***
Viewing area: length: * * *; Highly: * * *
Some Digital Television has USB interface, if support the USB mouse, then can point out the user to pin left button, pulls out a rectangular area on screen, unclamps left button then to determine this zone.
Step S400 draws the magnifying text viewing area, according to the size of font size of obtaining and magnifying text viewing area, shows the literal after amplifying.Enter step S500;
Succinct for character content behind outstanding amplification the and picture, when font is amplified, at first fill whole OSD layers at the OSD layer with self-defining Transparent color, be used for removing original interface, the Word message that will need to change font is presented at a zone of OSD layer again.
Fig. 2 is the flow chart that shows current text among the present invention in the magnifying text viewing area, Fig. 3 A and Fig. 3 B are the comparison diagrams that among the present invention the literal in the Digital Television is amplified front and back, shown in Fig. 2, Fig. 3 A and Fig. 3 B, described step S400 comprises the following steps:
Step S410 covers Zone Full to remove original interface at the OSD layer with Transparent color, draws the frame and the background color of magnifying text viewing area;
Step S420, according to little-in-big-little circular order, select corresponding font according to touch potential;
Step S430 calculates the width of magnifying text viewing area, the character duration and the interval of font, judges that whether content of text surpasses the bottom of magnifying text viewing area, changes step S440 over to if surpass, otherwise enters step S450;
The control system of Digital Television is calculated the width of magnifying text viewing area, the character duration and the interval of font, determines every capable number of words, and text does not finish then to enter a new line automatically, finishes up to content of text by that analogy.If content of text surpasses the bottom of magnifying text viewing area, then enter step S440; Otherwise enter step S450.
Step S440 adds scroll bar, a magnifying text viewing area display part literal;
Content of text surpasses the bottom of magnifying text viewing area, and the control system of Digital Television is added scroll bar on right side, magnifying text viewing area.The user can be by watching the Word message of failing in the demonstration of magnifying text viewing area by " key up and down " or " page turning key ".This moment, ticker position changed, and the OSD layer is removed the Word message that the magnifying text viewing area shows, recomputate, according to the text display of the back correspondence position that rolls in the magnifying text viewing area.
Step S450, the literal after the magnifying text viewing area shows amplification;
Step S460 judges whether to send once more and amplifies order, if then return step S410; Otherwise enter step S500.
If the user is still dissatisfied to the font size of amplifying the back literal, then press " amplification " button once more and select new font, the literal that shows is carried out amplifieroperation; If the font size of satisfied current literal then enters step S500.
Step S500, input exits command, and removes the magnifying text viewing area, recovers original interface and shows.
The user concrete literal is amplified check after, only need press " withdrawing from " button that is provided with in the existing Digital Television, can remove magnifying text, recover original interface and show.
Corresponding to the literal amplification method of a kind of Digital Television of the present invention, also provide a kind of Digital Television with literal enlarging function.
Fig. 4 is the structure chart that the present invention has the Digital Television of literal enlarging function, and as shown in Figure 4, it also comprises on the basis of the element (display screen, control circuit, signal receiving unit) of existing Digital Television:
" amplification " button 1 is used to send amplify and orders;
Library stores unit 3 is used for the storing multiple sets font libraries of enlarged fonts.
Described amplification control unit 2 comprises again:
Fig. 5 is the schematic diagram of the remote controller of the Digital Television with literal enlarging function of the present invention, and as shown in Figure 5, described Digital Television also is furnished with a remote controller, and is additional: " amplifications " button is used for sending to amplify to described Digital Television ordering.
Logic control chip in the remote controller can be programmed to each button, and when promptly different key was pressed, remote controller sent different machine codes by infrared ray, after Digital Television receives signal, obtains this machine code, and action both can respond.
Digital Television with literal enlarging function of the present invention, by storing multiple sets font libraries of enlarged fonts in the library stores unit in advance, when pressing " amplification " button, described Digital Television receives amplifies command signal, and the current text that meets the amplification condition is carried out amplifieroperation; Simultaneously, the font control unit is selected corresponding font according to pressing " amplification " touch potential; The magnifying text viewing area that Region control unit storage user sets, and calculate the character duration and at interval of width, the font of magnifying text viewing area, the current text content is surpassed the magnifying text viewing area, in the magnifying text viewing area, add scroll bar; Described amplification control unit sends to the information of Region control unit and font control unit the display screen of Digital Television.
Beneficial effect of the present invention is: by selected literal is carried out amplifieroperation, and the literal that amplifies is presented at the optional position of display screen, so that different crowd is checked Word message.
In conjunction with the drawings to the description of the specific embodiment of the invention, others of the present invention and feature are conspicuous to those skilled in the art.
More than specific embodiments of the invention are described and illustrate it is exemplary that these embodiment should be considered to it, and be not used in and limit the invention, the present invention should make an explanation according to appended claim.
Claims (9)
1. the literal amplification method of a Digital Television is characterized in that, comprises the following steps:
A. pre-storing multiple sets font libraries of enlarged fonts;
B. import font and amplify order, obtain current text and judge whether current text meets the amplification condition, the eligible step C that then enters; Otherwise ignore input command;
C. the user is provided with the magnifying text viewing area;
D. draw the magnifying text viewing area,, show the literal after amplifying according to the size of font size of obtaining and magnifying text viewing area;
E. input exits command, and removes the magnifying text viewing area, recovers original interface and shows.
2. the literal amplification method of Digital Television according to claim 1 is characterized in that, the described method that the magnifying text viewing area is set is: be provided with in the menu of Digital Television or defined by the external pointer type equipment of TV.
3. the literal amplification method of Digital Television according to claim 1 is characterized in that, described step D comprises the following steps:
D1. cover Zone Full to remove original interface at the OSD layer with Transparent color, draw the frame and the background color of magnifying text viewing area;
D2. according to little-in-big-little circular order, select corresponding font according to touch potential;
D3. calculate the width of magnifying text viewing area, the character duration and the interval of font, judge that whether content of text surpasses the bottom of magnifying text viewing area, changes step D4 over to if surpass, otherwise enters step D5;
D4. add scroll bar, a magnifying text viewing area display part literal;
D5. show the literal after amplifying in the magnifying text viewing area;
D6. judge whether to send once more and amplify order, if then return step D1; Otherwise enter step e.
4. the literal amplification method of Digital Television according to claim 3 is characterized in that, among the step D4, the user is by watching the Word message of failing in the demonstration of magnifying text viewing area by " key up and down " or " page turning key ".
5. the literal amplification method of Digital Television according to claim 1 is characterized in that, described font is amplified order and sent by pressing " amplification " button.
6. the literal amplification method of Digital Television according to claim 1 is characterized in that, described amplification condition comprises: whether the text of judging current window is null character (NUL), and perhaps text is the character that current machine font can not show; Whether the font of judging current text has met or exceeded scalable maximum font, if then must not enter amplification procedure.
7. the Digital Television with literal enlarging function comprises display screen, control circuit and signal receiving unit, it is characterized in that, also comprises:
" amplification " button is used to send amplify and orders;
Amplify control unit, be used to draw the magnifying text viewing area, according to the size of font size of obtaining and magnifying text viewing area, the literal after transmission is amplified is to display screen;
The library stores unit is used for the storing multiple sets font libraries of enlarged fonts.
8. the Digital Television with literal enlarging function according to claim 7 is characterized in that, described amplification control unit comprises again:
The Region control unit is used to store and calculate the width of magnifying text viewing area, the character duration and the interval of font, and the magnifying text viewing area is set;
The font control unit is used to control font size.
9. the Digital Television with literal enlarging function according to claim 7 is characterized in that, described Digital Television, and subsidiary remote controller, described " amplification " button is arranged on the described remote controller, is used for sending the amplification order to described Digital Television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810226028A CN101742149A (en) | 2008-11-04 | 2008-11-04 | Digital television with font enlarging function and font enlarging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810226028A CN101742149A (en) | 2008-11-04 | 2008-11-04 | Digital television with font enlarging function and font enlarging method thereof |
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| CN101742149A true CN101742149A (en) | 2010-06-16 |
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| CN200810226028A Pending CN101742149A (en) | 2008-11-04 | 2008-11-04 | Digital television with font enlarging function and font enlarging method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931769A (en) * | 2010-08-24 | 2010-12-29 | 福建新大陆通信科技股份有限公司 | Method for amplifying and displaying menu font of set top box of digital television |
| CN101945236A (en) * | 2010-09-30 | 2011-01-12 | 冠捷显示科技（厦门）有限公司 | Method capable of adjusting font size of television menu |
| CN105389083A (en) * | 2015-10-29 | 2016-03-09 | 小米科技有限责任公司 | Large font implementation method and apparatus, and intelligent terminal |
| CN106249986A (en) * | 2016-07-08 | 2016-12-21 | 珠海市魅族科技有限公司 | A kind of data display method and device |
| CN110989905A (en) * | 2019-12-18 | 2020-04-10 | 深圳市商汤科技有限公司 | Information processing method and device, electronic equipment and storage medium |
-
2008
- 2008-11-04 CN CN200810226028A patent/CN101742149A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931769A (en) * | 2010-08-24 | 2010-12-29 | 福建新大陆通信科技股份有限公司 | Method for amplifying and displaying menu font of set top box of digital television |
| CN101945236A (en) * | 2010-09-30 | 2011-01-12 | 冠捷显示科技（厦门）有限公司 | Method capable of adjusting font size of television menu |
| CN105389083A (en) * | 2015-10-29 | 2016-03-09 | 小米科技有限责任公司 | Large font implementation method and apparatus, and intelligent terminal |
| CN106249986A (en) * | 2016-07-08 | 2016-12-21 | 珠海市魅族科技有限公司 | A kind of data display method and device |
| CN110989905A (en) * | 2019-12-18 | 2020-04-10 | 深圳市商汤科技有限公司 | Information processing method and device, electronic equipment and storage medium |
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Application publication date: 20100616 |
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