CN104965881A - Method and device for extracting selected area from page - Google Patents
Method and device for extracting selected area from page Download PDFInfo
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- CN104965881A CN104965881A CN201510325599.0A CN201510325599A CN104965881A CN 104965881 A CN104965881 A CN 104965881A CN 201510325599 A CN201510325599 A CN 201510325599A CN 104965881 A CN104965881 A CN 104965881A
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- constituency
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- regional extent
- picture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
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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
Abstract
The invention discloses a method and a device for extracting a selected area from a page. The method comprises: providing a selected area extracting control in a browser or the page; showing a selected area extracting window according to the triggering on the selected area extracting control by a user, wherein the selected area extracting window is provided with at least one page editing option; detecting a pre-set picture drawing action on the page according to the triggering on the at least one page editing option of the user; drawing a corresponding selected area range on the page according to the pre-set picture drawing action; and converting a DOM element in the selected area range of the page into a picture and transmitting the picture to a server side. According to the method and device disclosed by the invention, the user triggers the selected area extracting control in the browser or the page to realize screenshot operation in the page without the help of third-party software, so that the operation of the user is reduced and the convenience is improved.
Description
Technical field
The present invention relates to Internet technical field, be specifically related to a kind of in the page, extract constituency method and device.
Background technology
Along with the development of Internet technology and the communication technology, increasing user uses browser to browse webpage, and is browsing in webpage process, may mark, draw sectional drawing or add word for various demand to webpage.Such as, add review information by the picture be truncated to, shared by such as net dish, microblogging etc. more afterwards.
In the prior art, user generally needs the sectional drawing software carried by use system, as Windows drawing board, or uses other third-party picture software to intercept picture from webpage.In the process, user may need first to open third party's picture software, then from webpage, picture is intercepted, the picture of intercepting is loaded in third party's picture software, then in third party's picture software, the picture intercepted is marked, adds the process such as word, the picture after process is kept in disk.If uploaded, also need to perform by upload software search local file and upload the operations such as local file.
What prior art provided needs by third party software to the mode that webpage is drawn, and causes operation very loaded down with trivial details, complicated and more consuming time, searches local file be also easy to obscure, make mistakes when upload file.
Summary of the invention
In view of the above problems, the present invention is proposed to provide a kind of overcoming the problems referred to above or the method extracting constituency in the page solved the problem at least in part and device.
According to an aspect of the present invention, provide a kind of method extracting constituency in the page, comprising: in browser or the page, provide constituency to extract control; According to user, described constituency is extracted to the triggering of control, represent constituency and extract window, described constituency is extracted window and is had at least one page editing option; According to the triggering of user at least one page editing option described, the preset pattern detected on the page draws action; Draw action according to described preset pattern, the page is drawn corresponding constituency regional extent; DOM element in the constituency regional extent of the described page is converted to picture, described picture is sent to server end.
Further, described method also comprises: according to the triggering of user at least one page editing option described, and the self-defined element detected on the page adds action; Add action according to described self-defined element, the page adds corresponding self-defined element; Described DOM element in the constituency regional extent of the page is converted to picture, send to server end to comprise further in described picture: to be picture by the DOM element in the constituency regional extent of the page and described self-defined cycling of elements, picture is sent to server end.
Further, preset pattern on the described detection page draws action: detect pressing in the page, mobile and release movement; Describedly draw action according to described preset pattern, the page drawn corresponding constituency regional extent and comprises further: detect in the described page depressed position as the start position of described constituency regional extent; Detect real time position and the off-position of movement, draw described constituency regional extent according to described start position, real time position and final position, described off-position is the final position of described constituency regional extent.
Further, describedly draw described constituency regional extent according to described start position, real time position and final position and comprise further: according to described start position and described real time position, utilize canvas to draw described constituency regional extent in real time and the constituency regional extent utilizing canvas to draw before emptying; Repeat above-mentioned drawing process until release movement detected.
Further, described constituency regional extent is rectangle or circle;
Described according to described preset pattern drafting action, the page is drawn corresponding constituency regional extent is further: the rectangle that to draw with described start position and final position be opposite endpoint, or, the circle that to draw with described start position and final position be diameter two-end-point.
Further, described method also comprises: obtain the positional information of described constituency regional extent and dimension information and be kept in historical record.
Further, described according to self-defined element interpolation action, the page adds corresponding self-defined element and comprises further: by detecting described self-defined element interpolation action to be obtained from the point of addition of definition element; Described self-defined element is generated at the point of addition place of described self-defined element.
Further, described self-defined element is text element;
The described point of addition place at self-defined element generates self-defined element and comprises further: generate input element at the point of addition place of described self-defined element and obtain input focus; Receive the word that user inputs in described input element;
Described is that picture comprises further by self-defined cycling of elements: that monitors described input element loses focus event; Lose focus event according to described input element, utilize canvas on the point of addition of described self-defined element, draw the word of input.
Further, described method also comprises: be obtained from the definition dimension information of element and positional information and be kept in described historical record.
Further, described picture sent to server end before, described method also comprises: the mouse detected on the page stops event; By the positional information of the constituency regional extent in mouse current location and described historical record or the positional information comparison of self-defined element; If the positional information of the constituency regional extent in described historical record or the positional information of self-defined element overlap with mouse current location, the constituency regional extent or self-defined element of correspondence show delete interface; According to the triggering of user to described delete interface, delete corresponding constituency regional extent or self-defined element.
Further, the described server end that sent to by picture is further: send to server end after adopting the picture of pre-arranged code mode to conversion to encode.
According to another aspect of the present invention, provide a kind of device extracting constituency in the page, comprising: control provides module, be suitable in browser or the page, provide constituency to extract control; Window represents module, is suitable for the triggering of according to user, described constituency being extracted to control, represents constituency and extracts window, and described constituency is extracted window and had at least one page editing option; Detection module, is suitable for according to the triggering of user at least one page editing option described, and the preset pattern detected on the page draws action; Add module, be suitable for drawing action according to described preset pattern, the page is drawn corresponding constituency regional extent; Modular converter, is suitable for the DOM element in the constituency regional extent of the described page to be converted to picture; Sending module, is suitable for described picture to send to server end.
Further, described detection module is also suitable for: according to the triggering of user at least one page editing option described, and the self-defined element detected on the page adds action; Described interpolation module is also suitable for: add action according to described self-defined element, the page adds corresponding self-defined element; Described modular converter is also suitable for: be picture by the DOM element in the constituency regional extent of the page and described self-defined cycling of elements.
Further, described detection module is further adapted for: detect pressing in the page, mobile and release movement; Described interpolation module is further adapted for: detect in the described page depressed position as the start position of described constituency regional extent; Detect real time position and the off-position of movement, draw described constituency regional extent according to described start position, real time position and final position, described off-position is the final position of described constituency regional extent.
Further, described interpolation module is further adapted for: according to described start position and described real time position, utilizes canvas to draw described constituency regional extent in real time and the constituency regional extent utilizing canvas to draw before emptying; Repeat above-mentioned drawing process until release movement detected.
Further, described constituency regional extent is rectangle or circle; Described interpolation module is further adapted for: the rectangle that to draw with described start position and final position be opposite endpoint, or, the circle that to draw with described start position and final position be diameter two-end-point.
Further, described device also comprises: preserve module, is suitable for obtaining the positional information of described constituency regional extent and dimension information and is kept in historical record.
Described interpolation module is further adapted for: by detecting described self-defined element interpolation action to be obtained from the point of addition of definition element; Described self-defined element is generated at the point of addition place of described self-defined element.
Further, described self-defined element is text element;
Described interpolation module is further adapted for: generate input element at the point of addition place of described self-defined element and obtain input focus; Receive the word that user inputs in described input element;
Described modular converter is further adapted for: that monitors described input element loses focus event; Lose focus event according to described input element, utilize canvas on the point of addition of described self-defined element, draw the word of input.
Further, described device also comprises: preserve module, is suitable for being obtained from the dimension information of definition element and positional information and is kept in described historical record.
Further, described device also comprises: removing module, is suitable for the mouse detected on the page and stops event; By the positional information of the constituency regional extent in mouse current location and described historical record or the positional information comparison of self-defined element; If the positional information of the constituency regional extent in described historical record or the positional information of self-defined element overlap with mouse current location, the constituency regional extent or self-defined element of correspondence show delete interface; According to the triggering of user to described delete interface, delete corresponding constituency regional extent or self-defined element.
Further, described device also comprises: coding module, is suitable for adopting the picture of pre-arranged code mode to conversion to encode.
According to the method and the device that extract constituency in the page provided by the invention, for user provides constituency to extract control in browser or the page, according to the triggering of constituency being extracted to control, represent constituency and extract window; The preset pattern detected on the page draws action, the page is drawn corresponding constituency regional extent, the DOM element in this constituency regional extent is converted to picture and realizes shot operation, then picture is sent to server end.In this programme, user extracts control by the constituency of triggering in browser or the page, just can realize shot operation in the page, and without the need to by third party software, decrease user operation, improve convenience.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 shows the process flow diagram of the method extracting constituency according to an embodiment of the invention in the page;
Fig. 2 shows the process flow diagram of the method extracting constituency in accordance with another embodiment of the present invention in the page;
Fig. 3 shows the process flow diagram of the method extracting constituency in accordance with another embodiment of the present invention in the page;
Fig. 4 shows the functional block diagram of the device extracting constituency according to an embodiment of the invention in the page.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 shows the process flow diagram of the method extracting constituency according to an embodiment of the invention in the page, and as shown in Figure 1, this method comprises the steps:
Step S101, provides constituency to extract control in browser or the page.
The method extracting constituency in the page that the present embodiment provides is mutual by browser and the page, or directly by the method for the script realization in the page.Such as, can constituency be provided to extract control, by browser self by realizing with the page function extracting constituency in the page alternately with the form of option or button in the toolbar of browser or taskbar.Or, in the page, directly provide constituency to extract control, realize by the script in the page function extracting constituency.
Step S102, extracts the triggering of control to constituency according to user, represent constituency and extract window, and this constituency is extracted window and had at least one page editing option.
After user realizes extracting the triggering of control to constituency by click or alternate manner operation constituency extraction control, represent constituency extraction window.This constituency is extracted window and can be presented in the page with the form of float layer, as being presented in the ad-hoc location (this ad-hoc location is fixed position) of the page, or be presented in page empty position or the less position of page relative content according to the situation of playing up of the page.
Constituency is extracted window and is had at least one page editing option, such as certain page editing option is page screenshot button, user after clicking this page screenshot button just can in the Zone Full of the page or part appointed area graphing to intercept the picture in the constituency regional extent of drawing.The picture intercepted in the page may have multiple use, such as, comment on rear sectional drawing to web page contents to be uploaded to microblogging or to send to server as suggestion feedback, to this, constituency extraction window can also comprise the input element for inputting comment and suggestion, with the comment suggestion to server feedback user.In addition, constituency is extracted window and is also had X button, extracts window in order to close constituency.
Step S103, according to the triggering of user at least one page editing option, the preset pattern detected on the page draws action.
Here the preset pattern drafting action detected on the page performs the triggering of page screenshot button according to user.After user clicks this page screenshot button, draw action by the preset pattern on the page process detection page.Detect and mainly detect pressing in the page, mobile and release movement, according to determining that user wishes the constituency regional extent intercepted depressed position with off-position.
Step S104, draws action according to preset pattern, the page is drawn corresponding constituency regional extent.
Draw action according to preset pattern, the page is drawn corresponding figure, and this figure reflects constituency regional extent.For rectangle, user by pressing, mobile and release movement draws rectangle on the page, by the corresponding figure of drafting that the action that detects user is real-time in the page, to determine that user wants the picture scope intercepted.
Step S105, is converted to picture by the DOM element in the constituency regional extent of the page, picture is sent to server end.
DOM Document Object Model (Document Object Model, be called for short: the object and the attribute that DOM) define all elements in the page, after determining that user wants the picture scope (i.e. constituency regional extent) intercepted, the DOM element belonged in this constituency regional extent is searched in DOM Document Object Model, be converted into picture, picture is sent to server end.
According to the method extracting constituency in the page that the present embodiment provides, for user provides constituency to extract control in browser or the page, according to the triggering of constituency being extracted to control, represent constituency and extract window; The preset pattern detected on the page draws action, the page is drawn corresponding constituency regional extent, the DOM element in this constituency regional extent is converted to picture and realizes shot operation, then picture is sent to server end.In this programme, user extracts control by the constituency of triggering in browser or the page, just can realize shot operation in the page, and without the need to by third party software, decrease user operation, improve convenience.
Fig. 2 shows the process flow diagram of the method extracting constituency in accordance with another embodiment of the present invention in the page, and as shown in Figure 2, this method comprises the steps:
Step S201, provides constituency to extract control in browser or the page.
The present embodiment can provide constituency to extract control, by browser self by realizing with the page function extracting constituency in the page alternately with the form of option or button in the toolbar of browser or taskbar.Or, in the page, directly provide constituency to extract control, realize by the script in the page function extracting constituency.
Constituency is provided to extract control for the page, in a concrete example, provide the control clicked of " suggestion feedback " in the page, user carries out suggestion comment by clicking " suggestion feedback " to contents such as the advertising message of showing in the page, individual recommendation informations.Because simple suggestion comment can not show the suggestion of user intuitively, so the function that this " suggestion feedback " can also provide constituency to extract, namely intercept the picture in constituency, carry out suggestion feedback in the mode that picture and word combine to server end.Here, " suggestion feedback " control is that control is extracted in the constituency that provides of the page, and when user clicks this control, the script in the page is triggered executions, to realize the function in extraction constituency.Below in several step, perform discussing script in detail the function realized.
Step S202, extracts the triggering of control to constituency according to user, represent constituency and extract window, and this constituency is extracted window and had page screenshot option.
After user clicks constituency extraction control, script triggers and performs, and represents constituency and extracts window.In the example of suggestion feedback, constituency is extracted window and is suggestion feedback window.Suggestion feedback window can be presented in the page with the form of float layer, as being presented in the ad-hoc location (this ad-hoc location is fixed position) of the page, or be presented in page empty position or the less position of page relative content according to the situation of playing up of the page.
Suggestion feedback window has page screenshot option, user after clicking this page screenshot option just can in the Zone Full of the page or part appointed area graphing to intercept the picture in the constituency regional extent of drawing.Such as, user has individual opinion to certain advertisement in advertising display region in the page, by clicking page screenshot button at this advertisement region graphing, to intercept advertising pictures.In addition, suggestion feedback window can also comprise the input element for inputting comment and suggestion, with the comment suggestion to server feedback user.In addition, suggestion feedback window also has X button, in order to close suggestion feedback window.
Step S203, according to the triggering of user to page screenshot option, detects pressing in the page, mobile and release movement.
In the process of user's graphing, script detects pressing in the page, mobile and release movement.
Step S204, detect in the page depressed position as the start position of constituency regional extent.
When detect in the page press action time, as the click action of mouse certain position in the page, be recorded in the page depressed position as the start position of constituency regional extent.
Step S205, detects real time position and the off-position of movement, according to start position, real time position and drafting constituency, final position regional extent.
When the shift action in the page being detected, as the drag kick of mouse after the click action of certain position, detect the real time position of movement.According to start position and real time position, utilize canvas to draw constituency regional extent in real time and the constituency regional extent utilizing canvas to draw between emptying, repeat this step until release movement detected.
Canvas is the tag element of html language, and it is a kind of graphical container, and drawing API is presented to script by it, to enable script wanting that the graphic plotting drawn is on painting canvas.Canvas attribute of an element comprises height and width, the height of difference presentation graphic and width.Canvas drawing API be not defined into element originally with it, but to be defined on " drawing environment " object being obtained by the getContext () method of painting canvas.In the present embodiment, the positional information of figure, when start position and the real time position of action being detected, by calling the drawing API of canvas, is passed to canvas by script, is plotted to wanting the figure (constituency regional extent) drawn on painting canvas.In moving process, the constituency regional extent of drawing between emptying at any time, to reach the object of real-time rendering figure, repeat to draw until release movement detected, off-position is the final position of constituency regional extent.
Click for mouse, pull and release movement, after user clicks page screenshot option, detect mousedown event and obtain start position; Real-time detection mousemove event, script constantly empties canvas and repaints constituency; When mouseup event being detected, obtain final position, complete the drafting in a constituency.By the method, user can draw multiple constituency.
Alternatively, the figure (constituency) drawn is rectangle or circle.As being rectangle, then the rectangle that to draw with start position and final position be opposite endpoint; As being circular, then the circle that to draw with start position and final position be diameter two-end-point.The concrete shape of the present invention to drawn figure does not limit.
Step S206, obtains the positional information of constituency regional extent and dimension information and is kept in historical record.
By behind the drawn constituency of above-mentioned steps, the positional information of each constituency regional extent and dimension information are saved in historical record.The information such as height and width as above-mentioned start position, final position and constituency is saved in historical record.
Step S207, is converted to picture by the DOM element in the constituency regional extent of the page.
Use html2canvas storehouse that the DOM element in the regional extent of constituency is converted to canvas picture, the canvas picture in constituency and the canvas picture of DOM element are combined.
Step S208, sends to server end after adopting the picture of pre-arranged code mode to conversion to encode.
In order to the security of picture transfer, this method is encoded to picture.Alternatively, adopt base64 coded system to be binary data by coding of graphics, the data after coding have not readable, improve the security of picture transfer.
In the example of the above views feedback, user is after drawing constituency to certain advertisement in the page, DOM element in this constituency regional extent is converted to picture, namely the content of this advertising display is intercepted as picture, then the canvas picture (as the rectangle that user draws) in constituency and the canvas picture (content of advertising display) of DOM element are combined, carry out base64 coding and send to server end.Alternatively, the comment suggestion that user inputs in suggestion feedback window also can carry out base64 coding, and the coding with picture sends to server end.After received server-side to these information, carry out corresponding decoding, the comment suggestion of user is shown to system manager together with intercepted picture, so that system manager adjusts advertisement according to the feedback of user, adapt to the demand of user.
Further, before above-mentioned steps S208, the present embodiment also comprises the step of deleting constituency regional extent, specifically describes as follows:
After user depicts one or more constituency on the page, script continues the mouse detected on the page and stops event; The positional information of the constituency regional extent in mouse current location and historical record is compared; If the positional information of the constituency regional extent in historical record overlaps with mouse current location, then constituency is placed on the superiors' display, and shows delete interface in the constituency regional extent of correspondence; According to the triggering of user to delete interface, delete corresponding constituency regional extent.By this step, the constituency of drawing before user can delete, avoids the constituency that user is unnecessary because misoperation depicts, and improves operability.
According to the method extracting constituency in the page that the present embodiment provides, for user provides constituency to extract control in the page, utilize the shot operation of page script realization to constituency, utilize canvas real-time rendering constituency regional extent particularly, after depicting constituency, the DOM element in the regional extent of constituency is converted to canvas picture, after being merged by the canvas picture of the canvas picture in constituency and DOM element, sends to server end.The program adopts page script to realize shot operation, without the need to by third party software, has more dirigibility; Decrease user operation simultaneously, improve convenience.Further, before server uploading pictures, the constituency of drawing mistake can also be deleted, improve operability.Meanwhile, the picture uploaded and comment suggestion are encoded, improves the security of information transmission.
Fig. 3 shows the process flow diagram of the method extracting constituency in accordance with another embodiment of the present invention in the page, and as shown in Figure 3, this method comprises the steps:
Step S301, provides constituency to extract control in browser or the page.
Step S302, extracts the triggering of control to constituency according to user, represent constituency and extract window, and this constituency is extracted window and had self-defined element interpolation option.
Relevant constituency is extracted control and constituency and is extracted the embodiment that the description of window can be shown in Figure 2.
Extract window with the embodiment shown in Fig. 2 unlike the constituency of, the present embodiment there is self-defined element to add option.Because user is behind the multiple constituency of extraction, have different comment demands to each constituency, need to express this comment demand by adding self-defined element, for text element, user can add word and be described each constituency respectively in the page.This self-defined element is different from the input element for inputting comment and suggestion in constituency extraction window, and it is the self-defined element added on the page, reflects that user is to the description of content on the page more intuitively.
Step S303, adds the triggering of option to self-defined element according to user, the self-defined element detected on the page adds action.
Particularly, script obtains self-defined element interpolation action by the mouse click event detected on the page.
Step S304, by detecting self-defined element interpolation action to be obtained from the point of addition of definition element.
Detect the position of the mouse click on the page to determine the point of addition of self-defined element.
Step S305, generates self-defined element at the point of addition place of self-defined element.
For text element, generate input element at the point of addition place of text element and obtain input focus, such as, generating an input frame, receiving the word that user inputs in this input element, to obtain text element.Particularly, DOM programming automatic generation input element can be utilized and obtain mouse input focus, being obtained the word of user's input by input element.
Step S306, that monitors input element loses focus event, loses focus event according to input element, utilizes canvas on the point of addition of self-defined element, draw the word of input.
In the present embodiment, script, after word input being detected, calls the drawing API of canvas, and the point of addition (height and width as the outer rim of text element) of text element is passed to canvas, by Word-Drawing on painting canvas, to realize the object of drawing word.
Step S307, is obtained from the definition dimension information of element and positional information and is kept in historical record.
After obtaining the picture of text element, the height of the outer rim of word and text element and width are saved in historical record.
Step S308, sends to server end after adopting pre-arranged code mode to encode to the picture drawing the self-defined element obtained.
In order to the security of teletext, the picture of this method to self-defined element is encoded.Alternatively, adopt base64 coded system to be binary data by coding of graphics, the data after coding have not readable, improve the security of teletext.
Further, before above-mentioned steps S308, the present embodiment also comprises the step of deleting self-defined element, specifically describes as follows:
After user with the addition of one or more self-defined element on the page, script continues the mouse detected on the page and stops event; The positional information of the self-defined element in mouse current location and historical record is compared; If the positional information of the self-defined element in historical record overlaps with mouse current location, then self-defined element is placed on the superiors' display, the self-defined element of correspondence shows delete interface; According to the triggering of user to delete interface, delete corresponding self-defined element.By this step, the self-defined element added before user can delete, avoids the self-defined element that user is unnecessary because misoperation with the addition of, and improves operability.
According to the method that the present embodiment provides, for user provides constituency to extract control in the page, utilize page script to realize adding the operation of self-defined element, utilize canvas that self-defined element is converted to picture particularly, the picture of self-defined element is sent to server end.The program adopts page script to realize adding the operation of self-defined element, without the need to by third party software, has more dirigibility; Decrease user operation simultaneously, improve convenience.Further, before server uploading pictures, the self-defined element adding mistake can also be deleted, improve operability., the picture uploaded is encoded meanwhile, improve the security of information transmission.
Generally, the self-defined element added is to specifically comment on each constituency and describing, therefore the present invention also comprises the embodiment of drawing constituency simultaneously and adding self-defined element, and namely above-mentioned Fig. 2 and combination embodiment illustrated in fig. 3, be not described further.
Fig. 4 shows the functional block diagram of the device extracting constituency according to an embodiment of the invention in the page, as shown in Figure 4, this device comprises: control provides module 400, window represents module 410, detection module 420, add module 430, modular converter 440 and sending module 450.
Control provides module 400 to be suitable in browser or the page, provide constituency to extract control.
Particularly, the device extracting constituency in the page that the present embodiment provides is mutual by browser and the page, or directly by the device of the script realization in the page.Such as, can constituency be provided to extract control, by browser self by realizing with the page function extracting constituency in the page alternately with the form of option or button in the toolbar of browser or taskbar.Or, in the page, directly provide constituency to extract control, realize by the script in the page function extracting constituency.
Constituency is provided to extract control for the page, in a concrete example, provide the control clicked of " suggestion feedback " in the page, user carries out suggestion comment by clicking " suggestion feedback " to contents such as the advertising message of showing in the page, individual recommendation informations.Because simple suggestion comment can not show the suggestion of user intuitively, so the function that this " suggestion feedback " can also provide constituency to extract, namely intercept the picture in constituency, carry out suggestion feedback in the mode that picture and word combine to server end.Here, " suggestion feedback " control is that control is extracted in the constituency that provides of the page, and when user clicks this control, the script in the page is triggered executions, to realize the function in extraction constituency.
Window represents module 410, is suitable for the triggering of according to user, constituency being extracted to control, represents constituency and extracts window, and constituency is extracted window and had at least one page editing option.
After user realizes extracting the triggering of control to constituency by click or alternate manner operation constituency extraction control, window represents module 410 and represents constituency extraction window.This constituency is extracted window and can be presented in the page with the form of float layer, as being presented in the ad-hoc location (this ad-hoc location is fixed position) of the page, or be presented in page empty position or the less position of page relative content according to the situation of playing up of the page.
Constituency is extracted window and is had at least one page editing option, such as certain page editing option is page screenshot button, user after clicking this page screenshot button just can in the Zone Full of the page or part appointed area graphing to intercept the picture in the constituency regional extent of drawing.The picture intercepted in the page may have multiple use, such as, comment on rear sectional drawing to web page contents to be uploaded to microblogging or to send to server as suggestion feedback, to this, constituency extraction window can also comprise the input element for inputting comment and suggestion, with the comment suggestion to server feedback user.Window is extracted in constituency also can have self-defined element interpolation option.Because user is behind the multiple constituency of extraction, have different comment demands to each constituency, need to express this comment demand by adding self-defined element, for text element, user can add word and be described each constituency respectively in the page.This self-defined element is different from the input element for inputting comment and suggestion in constituency extraction window, and it is the self-defined element added on the page, reflects that user is to the description of content on the page more intuitively.
In addition, constituency is extracted window and is also had X button, extracts window in order to close constituency.
Detection module 420, is suitable for according to the triggering of user at least one page editing option, and the preset pattern detected on the page draws action.Wherein, at least one page editing option comprises page screenshot option and/or self-defined element interpolation option.
Particularly, detection module 420 is according to the triggering of user to page screenshot option, and the preset pattern detected on the page draws action.Further, detection module 420 detects pressing on the page, mobile and release movement.
Detection module 420 adds the triggering of option to self-defined element according to user, the self-defined element detected on the page adds action.
Add module 430, be suitable for drawing action according to preset pattern, the page is drawn corresponding constituency regional extent; And, add action according to self-defined element, the page adds corresponding self-defined element.
Further, add module 430 be suitable for detect in the page depressed position as the start position of constituency regional extent; Detect real time position and the off-position of movement, according to start position, real time position and drafting constituency, final position regional extent, off-position is the final position of constituency regional extent.Particularly, add module 430 and be suitable for according to start position and real time position, utilize canvas to draw constituency regional extent in real time and the constituency regional extent utilizing canvas to draw before emptying; Repeat above-mentioned drawing process until release movement detected.Wherein, constituency regional extent is rectangle or circle; Add module 430 to be further adapted for: the rectangle that to draw with start position and final position be opposite endpoint, or, the circle that to draw with start position and final position be diameter two-end-point.
Add module 430 to be further adapted for: by detecting self-defined element interpolation action to be obtained from the point of addition of definition element; Self-defined element is generated at the point of addition place of self-defined element.
For self-defined element for text element, add module 430 and be further adapted for: generate input element at the point of addition place of self-defined element and obtain input focus; Receive the word that user inputs in input element.
Modular converter 440 is suitable for the DOM element in the constituency regional extent of the page to be converted to picture; When the page being also added with self-defined element, self-defined cycling of elements is also picture by modular converter 440.
Modular converter 440 is further adapted for: use html2canvas storehouse that the DOM element in the regional extent of constituency is converted to canvas picture, the canvas picture in constituency and the canvas picture of DOM element are combined.
Modular converter 440 is also suitable for: that monitors input element loses focus event; Lose focus event according to input element, utilize canvas on the point of addition of self-defined element, draw the word of input.Particularly, modular converter 440 calls the drawing API of canvas, and the point of addition (height and width as the outer rim of text element) of text element is passed to canvas, by Word-Drawing on painting canvas, to realize the object of drawing word.
Sending module 450, is suitable for picture to send to server end.
Further, this device also comprises: preserve module 460, is suitable for obtaining the positional information of constituency regional extent and dimension information and is kept in historical record; And be obtained from the definition dimension information of element and positional information and be kept in historical record.Particularly, preserve module 460 information such as the height of above-mentioned start position, final position and the height in constituency and the outer rim of width and word and text element and width are saved in historical record.
Further, this device also comprises: removing module 470, is suitable for the mouse detected on the page and stops event; By the positional information of the constituency regional extent in mouse current location and historical record or the positional information comparison of self-defined element; If the positional information of the constituency regional extent in historical record or the positional information of self-defined element overlap with mouse current location, the constituency regional extent or self-defined element of correspondence show delete interface; According to the triggering of user to delete interface, delete corresponding constituency regional extent or self-defined element.
Further, this device also comprises: coding module 480, is suitable for adopting the picture of pre-arranged code mode to conversion to encode.Alternatively, adopt base64 coded system to be binary data by coding of graphics, the data after coding have not readable, improve the security of picture transfer.
According to the device extracting constituency in the page that the present embodiment provides, for user provides constituency to extract control in browser or the page, according to the triggering of constituency being extracted to control, represent constituency and extract window; The preset pattern detected on the page draws action, the page is drawn corresponding constituency regional extent, the DOM element in this constituency regional extent is converted to picture and realizes shot operation, then picture is sent to server end.In this programme, user extracts control by the constituency of triggering in browser or the page, just can realize shot operation in the page, and without the need to by third party software, decrease user operation, improve convenience.
Intrinsic not relevant to any certain computer, virtual system or miscellaneous equipment with display at this algorithm provided.Various general-purpose system also can with use based on together with this teaching.According to description above, the structure constructed required by this type systematic is apparent.In addition, the present invention is not also for any certain programmed language.It should be understood that and various programming language can be utilized to realize content of the present invention described here, and the description done language-specific is above to disclose preferred forms of the present invention.
In instructions provided herein, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand in each inventive aspect one or more, in the description above to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes.But, the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires feature more more than the feature clearly recorded in each claim.Or rather, as claims below reflect, all features of disclosed single embodiment before inventive aspect is to be less than.Therefore, the claims following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and adaptively can change the module in the equipment in embodiment and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or unit be mutually repel except, any combination can be adopted to combine all processes of all features disclosed in this instructions (comprising adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment or unit.Unless expressly stated otherwise, each feature disclosed in this instructions (comprising adjoint claim, summary and accompanying drawing) can by providing identical, alternative features that is equivalent or similar object replaces.
In addition, those skilled in the art can understand, although embodiments more described herein to comprise in other embodiment some included feature instead of further feature, the combination of the feature of different embodiment means and to be within scope of the present invention and to form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can use with arbitrary array mode.
All parts embodiment of the present invention with hardware implementing, or can realize with the software module run on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that the some or all functions extracting the some or all parts in the device in constituency in the page that microprocessor or digital signal processor (DSP) can be used in practice to realize according to the embodiment of the present invention.The present invention can also be embodied as part or all equipment for performing method as described herein or device program (such as, computer program and computer program).Realizing program of the present invention and can store on a computer-readable medium like this, or the form of one or more signal can be had.Such signal can be downloaded from internet website and obtain, or provides on carrier signal, or provides with any other form.
The present invention will be described instead of limit the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.The present invention can by means of including the hardware of some different elements and realizing by means of the computing machine of suitably programming.In the unit claim listing some devices, several in these devices can be carry out imbody by same hardware branch.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
Claims (10)
1. in the page, extract the method in constituency, comprising:
In browser or the page, provide constituency to extract control;
According to user, described constituency is extracted to the triggering of control, represent constituency and extract window, described constituency is extracted window and is had at least one page editing option;
According to the triggering of user at least one page editing option described, the preset pattern detected on the page draws action;
Draw action according to described preset pattern, the page is drawn corresponding constituency regional extent;
DOM element in the constituency regional extent of the described page is converted to picture, described picture is sent to server end.
2. method according to claim 1, also comprises:
According to the triggering of user at least one page editing option described, the self-defined element detected on the page adds action;
Add action according to described self-defined element, the page adds corresponding self-defined element;
Described DOM element in the constituency regional extent of the page is converted to picture, send to server end to comprise further in described picture: to be picture by the DOM element in the constituency regional extent of the page and described self-defined cycling of elements, picture is sent to server end.
3. method according to claim 1 and 2, preset pattern on the described detection page is drawn action and is further: detect pressing in the page, mobile and release movement;
Described according to described preset pattern drafting action, the page is drawn corresponding constituency regional extent and comprises further:
Detect in the described page depressed position as the start position of described constituency regional extent;
Detect real time position and the off-position of movement, draw described constituency regional extent according to described start position, real time position and final position, described off-position is the final position of described constituency regional extent.
4. the method according to any one of claim 1-3, describedly draw described constituency regional extent according to described start position, real time position and final position and comprise further:
According to described start position and described real time position, canvas is utilized to draw described constituency regional extent in real time and the constituency regional extent utilizing canvas to draw before emptying;
Repeat above-mentioned drawing process until release movement detected.
5. the method according to any one of claim 1-4, described constituency regional extent is rectangle or circle;
Described according to described preset pattern drafting action, the page is drawn corresponding constituency regional extent is further: the rectangle that to draw with described start position and final position be opposite endpoint, or, the circle that to draw with described start position and final position be diameter two-end-point.
6. the method according to any one of claim 1-5, described method also comprises: obtain the positional information of described constituency regional extent and dimension information and be kept in historical record.
7. the method according to any one of claim 1-6, described according to self-defined element interpolation action, the page adds corresponding self-defined element and comprises further:
By detecting described self-defined element interpolation action to be obtained from the point of addition of definition element;
Described self-defined element is generated at the point of addition place of described self-defined element.
8. the method according to any one of claim 1-7, described self-defined element is text element;
The described point of addition place at self-defined element generates self-defined element and comprises further: generate input element at the point of addition place of described self-defined element and obtain input focus; Receive the word that user inputs in described input element;
Described is that picture comprises further by self-defined cycling of elements: that monitors described input element loses focus event; Lose focus event according to described input element, utilize canvas on the point of addition of described self-defined element, draw the word of input.
9. the method according to any one of claim 1-8, described method also comprises: be obtained from the definition dimension information of element and positional information and be kept in described historical record.
10. in the page, extract the device in constituency, comprising:
Control provides module, and be suitable for provides constituency to extract control in browser or the page;
Window represents module, is suitable for the triggering of according to user, described constituency being extracted to control, represents constituency and extracts window, and described constituency is extracted window and had at least one page editing option;
Detection module, is suitable for according to the triggering of user at least one page editing option described, and the preset pattern detected on the page draws action;
Add module, be suitable for drawing action according to described preset pattern, the page is drawn corresponding constituency regional extent;
Modular converter, is suitable for the DOM element in the constituency regional extent of the described page to be converted to picture;
Sending module, is suitable for described picture to send to server end.
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