CN102364961A - Character interception method and system based on electronic program guide page in Internet protocol television (IPTV) - Google Patents
Character interception method and system based on electronic program guide page in Internet protocol television (IPTV) Download PDFInfo
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Abstract
The invention is applied in the technical field of Internet protocol televisions (IPTV), and provides a character interception method based on an electronic program guide page in the IPTV. The method comprises the following steps of: acquiring the character widths of various characters of various word sizes in different browsers; and analyzing input characters in a character display area one by one and intercepting the characters according to the width of the character display area of the electronic program guide page and the character widths of various characters of various word sizes. Correspondingly, the invention also provides a character interception system based on the electronic program guide page in the IPTV. Therefore, by the method and the system, the characters of the electronic program guide page can be accurately intercepted in a cross-browser way.
Description
Technical field
The present invention relates to IPTV (Internet Protocol Television, internet protocol TV) technical field, relate in particular to a kind of character intercept method and system based on electronic program guide web pages among the IPTV.
Background technology
Have enreach (shadow is upright speeds), opera (Oprah), ipanel multiple browsers such as (healthy and strong networks) in the IPTV field, and also there is the Different software version in browser of the same race.In this case, can there be very large difference in the character duration of dissimilar characters such as numeral, letter, Chinese character, spcial character.In the process that the IPTV programme content increases day by day; Information such as the title of content, brief introduction are also rich and varied; But the arrangement space of the EPG of IPTV (Electronic Program Guide, the electronic program guides) page is limited, the accurate passage information that shows in a limited width; Promptly to consider the restriction of layout; Therefore let the user see information as much as possible again, the character intercepting of character viewing area is absolutely necessary one and works, the used usually word mode of cutting has following several kinds:
1) simple client script cuts the word mode.This kind cuts the script control ability of word method utilization browser engine itself character carried out intercepting.The advantage of this mode is simple to operate, and code is brief, and adopting client to cut word does not have performance impact to server.Shortcoming is the simple judgement that 2:1 just simply done Chinese and English by script; Promptly two English equal 1 Chinese; But in fact in different browsers 2 shared page display widths of English alphabet to be not equal to 1 Chinese shared, visible doing like this and inaccuracy.In addition, the parameter of cutting word is a simple numerical also, generally representes the Chinese character quantity that shows in this character viewing area.For instance, if estimate to show 10 Chinese characters in a title viewing area, under the normal condition; Title just in time all is a Chinese character; That client script cuts the word effect can be very good, if but title is English, that section word program will 20 English alphabets of intercepting; And in fact the width of these 20 English alphabets has surpassed 10 width that Chinese character is shared, from showing the situation that border or wrap title just may occur surmounting of seeing.
2) the server end background program cuts the word mode.It is similar that operating process and client are cut the word mode, just cuts a word program and forwarded the backstage to, utilizes the language of the realizing background application intercept operation (normally substring function) to String character string class object.Exist client to cut the problem of word equally, and in some language such as java, in the time of may occurring cutting word owing to existing Chinese and English mixing to cut the centre of a Chinese character in the content, the situation of mess code appears.The probability of occurrence of this situation is not little, and very big to user's operating experience influence.
Can know that to sum up the character intercepting technology of the existing EPG page obviously exists inconvenience and defective, so be necessary to improve on reality is used.
Summary of the invention
To above-mentioned defective, the object of the present invention is to provide a kind of character intercept method and system based on electronic program guide web pages among the IPTV, it can browser-cross ground carries out accurate character intercepting to the character of electronic program guide web pages.
To achieve these goals, the present invention provides a kind of character intercept method based on electronic program guide web pages among the IPTV, and said method comprises that step is following:
Obtain the character duration of the various font sizes of all kinds of characters in the different browsers;
According to the character duration of the various font sizes of the width of the character viewing area of said electronic program guide web pages and said all kinds of characters, the input character of this character viewing area is word for word analyzed and the intercepting character.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, the said step of obtaining the character duration of the various font sizes of all kinds of characters in the different browsers comprises:
In said electronic program guide web pages, form a dyed layer, and control the width of said dyed layer;
Select the character of certain font size of certain type of character of a certain said browser, said character is exported N continuously at said electronic program guide web pages;
The width of said dyed layer is transferred to identical with the width of N said character;
The width of said dyed layer is promptly drawn the width of said character divided by N;
Repeat above-mentioned steps, draw the character duration of the various font sizes of all kinds of characters in the different browsers.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, saidly in electronic program guide web pages, form a dyed layer, and the step of controlling the width of said dyed layer comprises:
In said electronic program guide web pages, form a dyed layer through DIV element in the HTML; Background color attribute by said DIV element is realized the painted of said dyed layer, and controls the width of said dyed layer by the width attribute of said DIV element.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, the said step of obtaining the character duration of the various font sizes of all kinds of characters in the different browsers comprises afterwards:
Introduce a character allocation list, in said character allocation list, load an array type object;
The character duration of the various font sizes of all kinds of characters that obtained is loaded in the said array type object;
Said character allocation list is loaded in the application global field of said electronic program guides.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention; The character duration of the width of said character viewing area according to electronic program guide web pages and the various font sizes of said all kinds of characters, the input character of this character viewing area is word for word analyzed and the step of intercepting character comprises:
Analyze quantity, type and the font size of input character described in the said character viewing area;
According to said character allocation list corresponding characters width, calculate the character duration of said input character;
To carry out intercepting above the character of the width of said character viewing area.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention; The character duration of the width of said character viewing area according to electronic program guide web pages and the various font sizes of said all kinds of characters, the input character of this character viewing area is word for word analyzed and the step of intercepting character comprises:
Each character in this input character is carried out iterative analysis, analyze the type and the font size of current iteration character;
From said character allocation list, obtain the character duration of said current iteration character;
The width of said character viewing area is deducted successively the character duration of said current iteration character;
When the width of said character viewing area less than 0 the time, intercepting current iteration character and all characters afterwards thereof.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, said character viewing area is the program title display line.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, said character comprises letter, numeral, Chinese character or spcial character.
According to the character intercept method based on electronic program guide web pages among the IPTV of the present invention, said character intercept method is applied to the background server of IPTV.
The present invention also provides a kind of character intercepting system based on electronic program guide web pages among the IPTV of realizing said method, comprising:
The character duration acquisition module is used for obtaining the character duration of the various font sizes of all kinds of characters of different browsers;
The character interception module is used for the character duration according to the various font sizes of the width of the character viewing area of said electronic program guide web pages and said all kinds of characters, and the input character of this character viewing area is word for word analyzed and the intercepting character.
The present invention is through the character duration of the various font sizes of all kinds of characters of pre-configured every kind of browser; Input character to the EPG page is word for word analyzed; The character duration of accurate Calculation input character; The character that will exceed the width of character viewing area carries out intercepting; Thereby the present invention can browser-cross ground carries out accurate character intercepting to the character of the EPG page, has guaranteed that the user can see at most in limited character viewing area, information the most accurately, and then has promoted IPTV user's operating experience greatly.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on the character intercepting system of the EPG page among the IPTV;
Fig. 2 is the structural representation of the preferred character intercepting system of the present invention;
Fig. 3 is the flow chart that the present invention is based on the character intercept method of the EPG page among the IPTV;
Fig. 4 is the example flow chart that the present invention obtains character duration;
Fig. 5 is the flow chart of the character intercept method that provides of first embodiment of the invention; And
Fig. 6 is the flow chart of the character intercept method that provides of second embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.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.
Fig. 1 shows the structure of the character intercepting system that the present invention is based on the EPG page among the IPTV, and said character intercepting system 100 is applied to the background server of IPTV, can be the software unit that is built in background server, hardware cell or software and hardware combining unit.Said character intercepting system 100 comprises character duration acquisition module 10 and character interception module 20 at least, wherein:
Character duration acquisition module 10 obtains the character duration of the various font sizes of all kinds of characters in the different browsers.Said browser can be enreach, opera, ipanel etc.; Said character class can comprise letter, numeral, Chinese character or spcial character etc.; Said font size can be 16,18,20,22,24 etc.
Having the present invention is directed in the prior art that the EPG page cuts the word inaccuracy and cut word many is the weakness of parameter with the number of words, and having proposed with EPG page display width is the accurate solution of parameter.Width to all kinds of characters in every kind of browser (comprising letter, numeral, Chinese character, spcial character) is configured; The character duration of accurate Calculation input character; The character that will exceed the width of character viewing area carries out intercepting, thereby realizes that browser-cross ground carries out accurate character intercepting to the character of the EPG page.
Fig. 2 is the structural representation of the preferred character intercepting system of the present invention, and said character intercepting system 100 comprises character duration acquisition module 10, character interception module 20, allocation list generation module 30 and allocation list load-on module 40, wherein:
Character duration acquisition module 10 further comprises:
Chromatograph generates submodule 11, is used for forming a dyed layer at the EPG page, and controls the width of said dyed layer.Preferably; In the EPG page, form a dyed layer through DIV element among the HTML (HTML); Background color attribute (background color) by the DIV element is realized the painted of dyed layer, and controls the width of dyed layer by the width attribute (width) of DIV element.
Chromatograph width control submodule 13 is used for the width of dyed layer is transferred to identical with the width of N character.
Character duration calculating sub module 14 is used for the width of dyed layer is promptly drawn divided by N the width of character.
Allocation list generation module 30 is used to introduce a character allocation list, in the character allocation list, loads an array type object, and the character duration of the various font sizes of all kinds of characters of the various browsers that obtained is loaded in the said array type object.Concrete collocation method is in template file, to introduce a character allocation list, loads an array type object in this character allocation list, and every kind of character and corresponding width information are added in this array type object.
Allocation list load-on module 40 is used for the character allocation list is loaded into the application global field of EPG, in order to use at any time at the required EPG page.
Fig. 3 is the flow chart that the present invention is based on the character intercept method of the EPG page among the IPTV, and said character intercept method is applied to the background server of IPTV, and can pass through to realize like Fig. 1 or character intercepting system 100 shown in Figure 2, comprises that specifically step is following:
Step S301 obtains the character duration of the various font sizes of all kinds of characters in the different browsers, and this step can be realized by character duration acquisition module 10.Said browser can be enreach, opera, ipanel etc.; Said character class can comprise letter, numeral, Chinese character or spcial character etc.; Said font size can be 16,18,20,22,24 etc.
Step S302; Character duration according to the various font sizes of the width of the character viewing area of the EPG page and all kinds of characters; The input character of this character viewing area is word for word analyzed and the intercepting character; Said character viewing area is preferably the program title display line, and this step can be realized by character interception module 20.Particularly, the character duration of input character in the character viewing area of the EPG page through accurate Calculation current browsing device, the character that will exceed the width of character viewing area carries out intercepting.
Obtain the character duration of the various font sizes of all kinds of characters in the different browsers in the said step 301,, and do configuration, can comprise step as shown in Figure 4 preferably through all types of characters in every kind of browser are being shown that shared width pixel calculates:
Step S401 forms a dyed layer in the EPG page, and the width (being pixel) of control dyed layer, and this step can generate submodule 11 by chromatograph and realize.Preferably; In the EPG page, form a dyed layer through DIV element among the html (HTML); Background color attribute (background color) by the DIV element is realized the painted of dyed layer, and controls the width of dyed layer by width (width) attribute of DIV element.
Step S402 selects the character of certain font size of certain type of character of a certain browser, and character is exported N (N >=1) continuously at the EPG page, and this step can be imported submodule 12 by character and realize.Choose any character that needs are configured, such as character A, on the EPG page, export 10 character A continuously, exporting 10 character A is for stretched width, and it is more obvious that width is shown, can distinguish to reach naked eyes.
Step S403 is transferred to the width of dyed layer identical with the width of N character, and this step can be realized by chromatograph width control submodule 13.For example the character duration of dyed layer and 10 character A is done comparison, until with the width adjustment of dyed layer to identical with the width of 10 character A, this moment, the width property value of dyed layer was the width of 10 character A.
Step S404 promptly draws the width of character with the width of dyed layer divided by N, and this step can be realized by character duration calculating sub module 14.For example, the width property value of said dyed layer is removed 10 and just obtained this character A shared character duration in this browser.
Repeat above-mentioned steps S401 ~ S404, the character duration that just can draw the various font sizes of all kinds of characters in the different browsers is to be configured.
What need Special attention will be given to is that under the situation of various font size (font size), the shared width of each character not necessarily is the ratio amplification to be dwindled.Measuring and calculating need be all done in event in different font sizes, this invention has adopted No. 16 to No. 24 fonts of using always among the EPG as the measuring and calculating sample.With capitalization Q is example, and choosing font size is No. 16.At first Q is added the character allocation list, in test page, print 10 Q that arrange continuously.A dyed layer (the background color of div layer is assumed to be redness) then thereunder draws; Constantly adjust the width width value of this div layer; Until looking that dyed layer is concordant with 10 continuous Q; This moment, the width width value of div layer was 120, and it is 12 that then single alphabetical Q occupies at pixel value.Add the position corresponding in the arrays with 12, the configuration completion of then alphabetical Q under the scene of No. 16, font size with alphabetical Q.Subsequent, use the same method and accomplish the configuration of other character under No. 16 scenes of font size.Change font size scene (such as 18,20,22,24 font sizes such as grade) then, accomplish the character duration pixel arrangement under all font sizes that need.
Fig. 5 is the flow chart of the character intercept method that provides of first embodiment of the invention, and it can realize that said character intercept method comprises that step is following through character intercepting system as shown in Figure 2 100:
Step S501 obtains the character duration of the various font sizes of all kinds of characters in the different browsers.
Step S502 introduces a character allocation list, in the character allocation list, loads an array type object, and this step can be realized by allocation list generation module 30.Concrete collocation method is in template file, to introduce a character allocation list, loads an array type object in this character allocation list.
Step S503 is loaded into the character duration of the various font sizes of all kinds of characters that obtained in the array type object, and this step can be realized by allocation list generation module 30.
Step S504 is loaded into the character allocation list in the application global field of EPG, and in order to use at any time at the required EPG page, this step can be realized by allocation list load-on module 40.
Step S505, quantity, type and the font size of input character in the analysis character viewing area.
Step S506 according to character allocation list corresponding characters width, calculates the character duration of input character.
Step S507 will carry out intercepting above the character of the width of character viewing area.
Fig. 6 is the flow chart of the character intercept method that provides of second embodiment of the invention, and it adopts the iterative analysis mode, can realize that said character intercept method comprises that step is following through character intercepting system as shown in Figure 2 100:
Step S601 obtains the character duration of the various font sizes of all kinds of characters in the different browsers.
Step S602 introduces a character allocation list, in the character allocation list, loads an array type object.
Step S603 is loaded into the character duration of the various font sizes of all kinds of characters that obtained in the array type object.
Step S604 is loaded into the character allocation list in the application global field of EPG.
Step S605 carries out iterative analysis to each character in this input character, analyzes the type and the font size of current iteration character.
Step S606 obtains the character duration of current iteration character from the character allocation list.
Step S607 deducts the width of character viewing area the character duration of current iteration character successively.
Step S608, when the width of character viewing area less than 0 the time, intercepting current iteration character and all characters afterwards thereof.
In iterative analysis scheme as shown in Figure 6; The background server program is word for word analyzed the input character of character viewing area; Here word for word refer to various characters such as letter, numeral, Chinese character, spcial character; To every kind of character, background program can be compared the character duration pixel in the global character allocation list, and the used font size of EPG page this moment carries out computing.Final result of calculation, the output of background program just is the character string content of accurately cutting in the character viewing area of specified width behind the word.For instance, at IPTV request program original list, every capable display program title, the peak width that appears is limited, and from page layout design angle attractive in appearance, every row headers can occupy totally 400 pixels.At this moment, the program title length content above above 400 pixels just should be by intercepting.Background program carries out iterative analysis to each character in the title, the character allocation list that loads before the comparison, and the width pixel of the character that current iteration is run into is taken out, and from 400 pixels, removes.In iterative process, when 400 pixels are all run out of (400 these values are subtracted by the character duration of each iteration as overall width), all characters afterwards will be presented at page area by intercepting.If certain 400 pixels of title length overall less than should be by complete showing.
In sum; The present invention is through the character duration of the various font sizes of all kinds of characters of pre-configured every kind of browser; Input character to the EPG page is word for word analyzed; The character duration of accurate Calculation input character, the character that will exceed the width of character viewing area carries out intercepting, thus the present invention can browser-cross ground carries out accurate character intercepting to the character of the EPG page; Guaranteed that the user can see at most, information the most accurately in limited character viewing area, and then promoted IPTV user's operating experience greatly.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. character intercept method based on electronic program guide web pages among the IPTV is characterized in that said method comprises that step is following:
Obtain the character duration of the various font sizes of all kinds of characters in the different browsers;
According to the character duration of the various font sizes of the width of the character viewing area of said electronic program guide web pages and said all kinds of characters, the input character of this character viewing area is word for word analyzed and the intercepting character.
2. character intercept method according to claim 1 is characterized in that, the said step of obtaining the character duration of the various font sizes of all kinds of characters in the different browsers comprises:
In said electronic program guide web pages, form a dyed layer, and control the width of said dyed layer;
Select the character of certain font size of certain type of character of a certain said browser, said character is exported N continuously at said electronic program guide web pages;
The width of said dyed layer is transferred to identical with the width of N said character;
The width of said dyed layer is promptly drawn the width of said character divided by N;
Repeat above-mentioned steps, draw the character duration of the various font sizes of all kinds of characters in the different browsers.
3. character intercept method according to claim 2 is characterized in that, saidly in electronic program guide web pages, forms a dyed layer, and the step of controlling the width of said dyed layer comprises:
In said electronic program guide web pages, form a dyed layer through DIV element in the HTML; Background color attribute by said DIV element is realized the painted of said dyed layer, and controls the width of said dyed layer by the width attribute of said DIV element.
4. character intercept method according to claim 1 is characterized in that, the said step of obtaining the character duration of the various font sizes of all kinds of characters in the different browsers comprises afterwards:
Introduce a character allocation list, in said character allocation list, load an array type object;
The character duration of the various font sizes of all kinds of characters that obtained is loaded in the said array type object;
Said character allocation list is loaded in the application global field of said electronic program guides.
5. character intercept method according to claim 4; It is characterized in that; The character duration of the width of said character viewing area according to electronic program guide web pages and the various font sizes of said all kinds of characters, the input character of this character viewing area is word for word analyzed and the step of intercepting character comprises:
Analyze quantity, type and the font size of input character described in the said character viewing area;
According to said character allocation list corresponding characters width, calculate the character duration of said input character;
To carry out intercepting above the character of the width of said character viewing area.
6. character intercept method according to claim 4; It is characterized in that; The character duration of the width of said character viewing area according to electronic program guide web pages and the various font sizes of said all kinds of characters, the input character of this character viewing area is word for word analyzed and the step of intercepting character comprises:
Each character in this input character is carried out iterative analysis, analyze the type and the font size of current iteration character;
From said character allocation list, obtain the character duration of said current iteration character;
The width of said character viewing area is deducted successively the character duration of said current iteration character;
When the width of said character viewing area less than 0 the time, intercepting current iteration character and all characters afterwards thereof.
7. character intercept method according to claim 1 is characterized in that, said character viewing area is the program title display line.
8. character intercept method according to claim 1 is characterized in that said character comprises letter, numeral, Chinese character or spcial character.
9. character intercept method according to claim 1 is characterized in that said character intercept method is applied to the background server of IPTV.
10. the character intercepting system based on electronic program guide web pages among the IPTV of a realization such as each said method of claim 1 ~ 9 is characterized in that said character intercepting system comprises:
The character duration acquisition module is used for obtaining the character duration of the various font sizes of all kinds of characters of different browsers;
The character interception module is used for the character duration according to the various font sizes of the width of the character viewing area of said electronic program guide web pages and said all kinds of characters, and the input character of this character viewing area is word for word analyzed and the intercepting character.
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| CN201110369594.XA CN102364961B (en) | 2011-11-18 | 2011-11-18 | Character interception method and system based on electronic program guide page in Internet protocol television (IPTV) |
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| CN105955935A (en) * | 2016-04-29 | 2016-09-21 | 乐视控股（北京）有限公司 | Text control realization method and apparatus |
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| EP1079312A2 (en) * | 1999-08-24 | 2001-02-28 | Creative Brains, K.K. | Printed matter of text data and method and apparatus for printing the same |
| CN101986289A (en) * | 2010-11-03 | 2011-03-16 | 中兴通讯股份有限公司 | Method and device for increasing browser page rendering speed |
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| CN104063362A (en) * | 2013-07-18 | 2014-09-24 | 腾讯科技（深圳）有限公司 | Character string truncation method and device |
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| CN102364961B (en) | 2014-04-23 |
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