CN108282677A - Realize that content throws method, throwing screen device and the system of screen by client - Google Patents
Realize that content throws method, throwing screen device and the system of screen by client Download PDFInfo
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- CN108282677A CN108282677A CN201810131531.2A CN201810131531A CN108282677A CN 108282677 A CN108282677 A CN 108282677A CN 201810131531 A CN201810131531 A CN 201810131531A CN 108282677 A CN108282677 A CN 108282677A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000010422 painting Methods 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000009877 rendering Methods 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Realizing that content throws method, throwing screen device and the system of screen, S1 by client the present invention provides a kind of：The throwing screen that reception throwing screen client is sent to server asks and throws the throwing screen client foundation throwing screen connection relation of screen request with transmission；S2：It receives the throwing screen content that throwing screen client sends over and screen content will be thrown and show on the display device；S3：The dispaly state of screen content is thrown according to the control instruction control for throwing control instruction and/or this throwing screen device end that screen client sends over.The present invention has the following advantages：Throwing screen can be carried out to all kinds of contents by client, and the dispaly state that client remote control shows content in equipment can be shielded by throwing.
Description
Technical field
The present invention relates to multimedia technology field more particularly to a kind of method, throwings for realizing content throwing screen by client
Screen device and system.
Background technology
In the prior art, by the way that computer and mobile phone to be connected under the same wifi, the same of mobile phone and computer can be realized
Screen, but it is merely capable of the same screen of realization mobile phone and computer, hand during needing to ensure that display end is shown with screen content
Generator terminal can not carry out other operations, and the content selective in mobile phone is projected computer, electricity by cannot achieve for the prior art
Depending on or other display equipment end shown, plurality of pictures be projected into display end can not show together simultaneously, flexibly
Property is relatively low, cannot meet the more needs of user.
Invention content
Regarding the issue above, the present invention provides a kind of method for realizing that content throws screen by client；
It is real to pass through client it is another object of the present invention in view of the above technical problems, providing a kind of based on the above method
Existing content throws the throwing screen device of screen；
It is real to pass through client it is another object of the present invention in view of the above technical problems, providing a kind of based on the above method
The system that existing content throws screen.
In order to achieve the above objectives, present invention employs following technical proposals：
The present invention's realizes that content throws the method shielded, including following methods by client：
S1：Receive throw screen client be sent to server throwing screen request and with send throw screen request throwing screen client build
It is vertical to throw screen connection relation；
S2：It receives the throwing screen content that throwing screen client sends over and screen content will be thrown and show on the display device；
S3：It is controlled and is thrown according to the control instruction for throwing control instruction and/or this throwing screen device end that screen client sends over
Shield the dispaly state of content.
In the above-mentioned method for realizing content throwing screen by client, the throwing screen content includes word content, writes
Draw any one or more in original handwriting content, image content, video content, audio content, file content and web page contents
Combination.
In the above-mentioned method for realizing content throwing screen by client, the control instruction includes that clear screen/clear screen is moved back
Refer to backstage instruction, playing progress rate control instruction, content proportional zoom control instruction, location of content control instruction, pause/end
It enables, the combination of any one or more of annotation instruction and revocation/reform in instruction；Wherein,
Backstage is retreated to if clear screen/clear screen to instruct, and determines whether that clear screen retreats to backstage and instructs, if so, will currently show
Show that process retreats to backstage and provides new painting canvas；If it is not, then terminating to throw the display of screen content and providing new blank canvas；
If playing progress rate control instruction, the playing progress rate of currently playing content is controlled according to control instruction；
If content proportional zoom control instruction, specified throw is controlled according to control instruction and shields zooming in or out for content；
If location of content control instruction, is controlled according to control instruction and content is specified to adjust the position in display interface；
If pause/END instruction, suspends the broadcasting for throwing screen content according to control instruction or terminate to throw the broadcasting of screen content；
If annotation instruction, display interface is controlled according to control instruction and enters annotation pattern so that user is on display interface
Or client is shielded by throwing, specific content is annotated into row write picture, annotation is drawn into row write to specific content when shielding client by throwing
When receive user throw shield client where terminal input information, according to the input information throw screen content on generate
Corresponding endorsement information；
If cancelling/reforming instruction, nearest operational motion in current display interface is cancelled according to control instruction；
Also, dispaly state is synchronized to throwing screen client while controlling throwing screen content dispaly state according to control instruction
End.
In the above-mentioned method for realizing content throwing screen by client, when execution clear screen/clear screen retreats to backstage and instructs,
Determine whether that clear screen retreats to backstage and instructs, if so, after receiving throwing screen content recovery instruction, by blank canvas and the sky
Input information on white painting canvas is converted to picture format and is preserved to obtain blank canvas picture, and after preserving successfully together
Restore to throw the display for shielding content, and the clear screen/clear screen is retreated to instruct to be sent out by client or touched by user from the background and be shown
The display interface of equipment is sent out.
It is upon step s 2, further comprising the steps of in the above-mentioned method for realizing content throwing screen by client：
S3：When receiving annotation instruction, judgement writes picture and annotates module whether on foreground, if so, directly will currently draw
Face is converted to rendered formats to obtain content painting canvas；Picture batch is write if it is not, then obtaining current picture frame from display caching and switching
Current picture frame is superimposed upon in the canvas sheet for writing picture annotation module, while current picture frame being converted to by injection molding block to foreground
Rendered formats are to obtain content painting canvas；
S4：Obtain the output of touch detection module touches the touch track that display interface generates by user, and by the touch
Track, which is sent to, writes picture annotation module, includes on content painting canvas by writing picture annotation module by touch track rendering；Alternatively, receiving
The input information that screen client sends over is thrown, and input information is rendered on content painting canvas；
S5：When receiving recovery instruction, by the input information and/or touch track on content painting canvas and the content painting canvas
Picture format is converted to together to be preserved to obtain content painting canvas picture, and restores the display of content after preserving successfully.
It is further comprising the steps of in the above-mentioned method for realizing content throwing screen by client：
Blank canvas picture and/or content painting canvas picture are sent to corresponding throw and shield client；
Alternatively, when receiving end throwing screen link order, client foundation will be shielded with corresponding throwing and throw life during screen connects
At blank canvas picture and/or content painting canvas picture transmit and throw screen client to corresponding.
And the end is thrown screen instruction and is executed by the following method：
The throwing screen between throwing screen client is disconnected when receiving the end for throwing screen client transmission and throwing screen link order
Connection relation；
Alternatively, being disconnected when receiving user and throwing screen link order by touching the end that display interface is sent out and throwing screen visitor
Throwing screen connection relation between the end of family.
In the above-mentioned method for realizing content throwing screen by client, throwing is established with throwing screen client by the following method
Shield connection relation：
A throwing screen Quick Response Code for carrying the ID for indicating the throwing screen device is asked to server；Throwing is waited for by long connect
Shield the throwing screen Quick Response Code described in client scan；And it is somebody's turn to do by server after throwing the screen client scan throwing screen Quick Response Code
It throws the information of screen client and is established with the throwing screen client and throw screen connection relation；
Alternatively, to server registration for the ID number of pairing and pairing code；Screen user end to server hair is thrown receiving
It is established with the throwing screen client after the pairing request to match with ID number and pairing code risen and throws screen connection.
In the above-mentioned method for realizing content throwing screen by client, during carrying out content throwing screen, further include
Following steps：
When in same canvas sheet, will successively throw incoming content be arranged above and below according to sequencing and/or
Left-right situs is in the canvas sheet, and the wireless extension in above and below each canvas sheet and/or left and right.
A kind of throwing screen device based on the above method, the throwing screen device include and the display equipment with touch function
The controller of connection, the controller includes the first throwing panel module, write picture annotation module, touch detection module and client refer to
Enable reception and processing module, wherein
First throws panel module：Screen connection relation is thrown for being established with throwing screen client, and is used to receive and throws screen client hair
The throwing screen content sent；
Write picture annotation module, for will work as image frame be converted to can rendered formats to obtain using current picture frame as background
Content painting canvas；And for touch track and/or input information to be rendered and include being drawn in content painting canvas and/or blank
On cloth；
Touch detection module for receiving touch track of the user on display interface, and touch track is sent to and is write
Annotation module is drawn to carry out rendering display or touch track is sent to command reception and processing module；
Command reception and processing module are that touch detection module detects and/or that client sends over for receiving
Control instruction, and the dispaly state for throwing screen content is controlled according to control instruction.
A kind of system based on the above method, including above-mentioned throwing screen device, having for being connect with throwing screen device touch work(
The display equipment of energy is thrown the throwing screen client of screen connection with throwing screen device, and is connected respectively with throwing screen device and throwing screen client
The server connect, the throwing screen device includes controller, which is connected to the display equipment, the controller
Include the first throwing panel module again, write picture annotation module and touch detection module, the throwing screen client includes that mould is shielded in the second throwing
Block and remote control module, the server include throwing screen link block, wherein
Second throws panel module, throws screen connection request for being initiated to server, and for throwing screen to annotation device projection
Content；
Remote control module throws the dispaly state for shielding content for sending control instruction to throwing screen device to control, and
For checking the local file for throwing screen device.
Screen link block is thrown, for solicited message to be sent to throwing screen dress when throwing screen client and initiating to throw screen request
It sets, and screen client will be thrown and throw screen connection relation with screen device foundation is thrown.
The present invention by client realize content throw the method for screen, throw screen device and system compared to the prior art and have with
Lower advantage：1, the content selective being equipped in the terminal of this throwing screen client can be projected to display equipment end to show
Show；2, by simultaneously projecting plurality of pictures under the display same display interface of equipment end, the flexibility of display interface is improved；3、
The dispaly state for shielding client Remote Display Unit end by throwing realizes long-range throwing screen, remote control dispaly state etc.；4, pass through
Throwing screen client accesses the local file for throwing screen device, can shield client just by throwing visitor is far from throwing screen device
Its local file is accessed promptly；5, it can realize to throw to throwing screen device by client and shield all kinds of contents.
Description of the drawings
Fig. 1 is the main interface schematic diagram that the embodiment of the present invention one throws screen device；
Fig. 2 is the method flow diagram of one embodiment one of the embodiment of the present invention；
Fig. 3 is to throw screen client in the embodiment of the present invention one to establish the method flow diagram for throwing screen connection relation with throwing screen device
One；
Fig. 4 is to throw screen client in the embodiment of the present invention one to establish the method flow diagram for throwing screen connection relation with throwing screen device
Two；
Fig. 5 is the method flow diagram for executing clear screen/clear screen in the embodiment of the present invention one and retreating to backstage instruction process；
Fig. 6 is that the annotation of the embodiment of the present invention one writes picture Part Methods flow chart；
Fig. 7 is to transmit annotation notes to the method flow diagram for throwing screen client in the embodiment of the present invention one；
Fig. 8 is the system block diagram of the embodiment of the present invention three.
Reference numeral：Throw screen device 1；Controller 11；First throws panel module 111；Write picture annotation module 112；Touch detection
Module 113；Command reception and processing module 114；Show equipment 2；Throw screen client 3；Second throws panel module 31；Remote control mould
Block 32；Server 4；Throw screen link block 41.
Specific implementation mode
Although operations are described as the processing of sequence by flow chart, many of which operation can by concurrently,
Concomitantly or simultaneously implement.The sequence of operations can be rearranged.Processing can be terminated when its operations are completed,
It is also possible to the additional step being not included in attached drawing.Processing can correspond to method, function, regulation, subroutine, son
Program etc..
Term "and/or" used herein above includes the arbitrary and institute of the associated item listed by one of them or more
There is combination.When a unit is referred to as " connecting " or when " coupled " to another unit, can be connected or coupled to described
Another unit, or may exist temporary location.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " include " and or " include " used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or a combination thereof.
Preferred embodiment using the present invention and in conjunction with attached drawing below, further retouches technical scheme of the present invention work
It states, however, the present invention is not limited to these examples.
Embodiment one
This method, apparatus and system can be applied to a variety of occasions, such as screen is thrown in meeting, screen is thrown in teaching, screen etc. is thrown by family,
The throwing screen client 3 of the present invention may be mounted in the terminals such as mobile phone, tablet, PDA, and exist in the form of APP in terminal,
Throwing display interface of the screen client 3 in terminal has for establishing the interface connected, and user can be by grasping in the interface
Make to establish with this throwing screen device 1 and throws screen connection relation；The throwing screen device 1 of the present invention can be the control box for having controller 11,
Be embedded in the controller 11 it is a set of develop improved own operating system based on Android system or other systems, it passes through connection
It shows that the signal input part of equipment 2 is connect with display equipment 2, when the display equipment 2 selects the signal source of the controller 11, shows
Show that equipment 2 just shows the main interface of the own operating system, and main interface is pure blank canvas interface as shown in Figure 1, under
Face has some operation keys, here although be blank canvas interface but be not intended to limit interface one and be set to black, can also be
The interface of other colors.
Specifically the present embodiment is mainly illustrated using throwing 1 end of screen device as executive agent, as shown in Fig. 2, the present embodiment
By client realize content throw screen method include：
S1：Throw screen device 1 receive throw screen client 3 be sent to server 4 throwing screen request and with send throw screen request
It throws screen client 3 and establishes to throw and shield connection relation；
Throwing screen connection relation can be specifically established by the following method：
As shown in figure 3, this throwing screen device 1 asks a throwing screen for carrying the ID for indicating the throwing screen device 1 to server 4
Quick Response Code；Throwing screen client 3 is waited for scan the throwing screen Quick Response Code by long connect；And scan the throwing throwing screen client 3
The information of the throwing screen client 3 is obtained by server 4 after shielding Quick Response Code and is closed with the throwing screen client 3 foundation throwing screen connection
System；
Alternatively, as shown in figure 4, for the ID number of pairing and matching code to the registration of server 4；Screen client is thrown receiving
It is established with the throwing screen client 3 after 3 pairing requests to match with ID number and pairing code initiated to server 4 and throws screen connection.
Further, it throws screen client and throwing screen content and control is sent to screen device is thrown by end-to-end transmission mode
Instruction, and the present embodiment realizes that end-to-end transmission mode, main method include using webrtc technologies：
After throwing screen client and throwing screen device throwing screen connection, server establishes webrtc connections to complete to throw screen client
Signaling negotiation between end and throwing screen device is established later and throws screen client and throw end-to-end link mode between screen device, from
And throwing can also be remotely sent to by making the throwing screen content of throwing screen client and control instruction that can be sent to throwing screen device near field
Screen device.
After being successfully established throwing and shielding connection, remote control of screen client 3 generation for sending control instruction to throwing screen device 1 is thrown
Interface, user can throw the dispaly state of screen content in remote control interface with remote control.
S2：It includes in display equipment 2 to receive the throwing screen content that throwing screen client 3 sends over and will throw screen content；
Here throwing screen content includes word content, writes picture original handwriting content, image content, video content, audio content, text
The combination of any one or more in part content and web page contents.
S3：According to the control instruction control for throwing 1 end of control instruction and/or this throwing screen device that screen client 3 sends over
Throw the dispaly state of screen content.
Wherein the control instruction at 1 end of this throwing screen device touches display interface by user and sends out, such as user is aobvious by clicking
Show that position etc. of the screen content in display interface is thrown in the predeterminated position adjustment on interface；
Throw screen client 3 control instruction by user throw shield client 3 in remote control interface in click specific position or
It writes picture certain gestures to send out, for example, user does most by clicking in the return key control current display interface in remote control interface
Nearly endorsement information.
Also, dispaly state is synchronized to throwing screen client while controlling throwing screen content dispaly state according to control instruction
End 3.That is, either show that equipment end still throws screen client 3 end, to the ratio of display interface element, position, into
It after degree, state etc. have done control, can all synchronize, such as during playing PPT, page turning can be done in throwing screen client 3
Operation, can also do page turn over operation, the control instruction that either which side sends out, page turning progress can be all synchronized on display interface
Both sides.
Specifically, the control instruction includes that clear screen/clear screen retreats to backstage instruction, playing progress rate control instruction, content
Appointing in instruction, is reformed in proportional zoom control instruction, location of content control instruction, pause/END instruction, annotation instruction and revocation/
It anticipates one or more combinations；Wherein,
Backstage is retreated to if clear screen/clear screen to instruct, and determines whether that clear screen retreats to backstage and instructs, if so, will currently show
Show that process retreats to backstage and provides new painting canvas；If it is not, then terminating to throw the display of screen content and providing new blank canvas；
If playing progress rate control instruction, the playing progress rate of currently playing content is controlled according to control instruction；
If content proportional zoom control instruction, specified throw is controlled according to control instruction and shields zooming in or out for content；
If location of content control instruction, is controlled according to control instruction and content is specified to adjust the position in display interface；
If pause/END instruction, suspends the broadcasting for throwing screen content according to control instruction or terminate to throw the broadcasting of screen content；
If annotation instruction, display interface is controlled according to control instruction and enters annotation pattern so that user is on display interface
Or specific content is annotated into row write picture by throwing screen client 3, specific content is criticized into row write picture when shielding client 3 by throwing
User is received when note in the input information for throwing screen 3 place terminal of client, according to the input information on throwing screen content
Generate corresponding endorsement information；
If cancelling/reforming instruction, nearest operational motion in current display interface is cancelled according to control instruction；And nearest
Operational motion can be away from current recent throwing screen operation, annotation operation or adjustment operation, can also be current nearest
Primary revocation action.
Specifically, when user needs to throw picture, the selection throwing picture in the remote control interface for throwing screen client, then
Selection picture, which is sent to throw to shield, in the file of terminal where throwing screen client or in the image information of throwing screen client itself fills
Set, throw screen device receive after, user can by remote control interface to throw screen device send control instruction with adjust picture ratio,
Position etc. can also directly be adjusted picture in display interface, and adjust state in display interface and client circle
It is synchronous in face；
Similarly, when user needs throwing to write picture original handwriting, pitcher's mark is selected, screen client is then thrown and shows hand-written boundary
Face, user can arbitrarily be write picture in the handwriting interface, write picture and are sent to throwing screen device after the completion, thrown screen device and received
Be to write picture track, user equally can in remote control interface to throw screen device send control instruction or throw screen device display
It is touched in interface to adjust the state for writing picture track, and synchronous adjustment state；
When user needs to throw word, word is thrown in selection, is then thrown screen client and is shown character input keyboard, in text
After the completion of word input, the input word of user is sent to throwing screen device, after throwing screen device reception, user, which can pass through, is remotely controlled boundary
Towards throw screen device send control instruction with adjust or the states such as word size position or user can be on display interface
The directly states such as size position of adjustment word, no matter which side user be adjusted at, state synchronized to both ends；
When user needs to throw file, file is thrown in selection, and text is selected in the local file of terminal where throwing screen client
Part, such as PPT files etc. are uploaded to throwing screen device, throw after screen device receives and just show that file content, user can pass through remote control
Interface sends control instruction to screen device is thrown, and directly can also do the operations such as page turning, document control shape to PPT in display interface
State can equally be synchronized to both ends；
When user needs to throw audio-video frequency content, audio and video are thrown in selection, the local of terminal where throwing screen client
Audio-video frequency content is selected to be uploaded to throwing screen device in file, the display interface for throwing screen device shows that audio-video frequency content, user pass through
Remote control interface sends the adjustment of control instruction progress ratio, pause, progress adjustment etc. or user in display interface to screen device is thrown
In state adjustment is carried out to audio and video, adjustment state is equally synchronized to both ends.
Further, as shown in figure 5, when execution clear screen/clear screen retreats to backstage and instructs, after determining whether that clear screen retreats to
Platform instructs, if so, after receiving throwing screen content recovery instruction, by the touch track in blank canvas and the blank canvas
And/or input information is converted to picture format and is preserved to obtain blank canvas picture together, picture format includes BMP lattice
Formula, jpeg format, JPEG2000 formats, tiff format, PNG format etc. restore the display for throwing screen content after preserving successfully, and
Clear screen/the clear screen retreats to backstage instruction and is sent out by client or show that the display interface of equipment 2 is sent out by user's touch.
It should be noted that for a kind of data such as video, webpage, audio, file, the mode of clear screen instruction needs people
For selection, that is, user retreats in selection clear screen/clear screen after backstage instructs corresponding button, it is also necessary to which further selection is
Display content is simultaneously retreated to backstage by direct clear screen or clear screen, and for the data of picture, word, original handwriting one kind, user is selecting
Clear screen/clear screen retreats to backstage and instructs corresponding button later automatically into clear screen and terminate to show.
Further, the display equipment 2 of the present embodiment has touch function, and display equipment is made to have the structure of touch function
It can be built in display equipment 2, can also be external in display equipment 2, such as the touch screen that is arranged before display screen, when
It can also so be additionally installed in general display equipment 2, such as infrared touch frame etc. is installed on liquid crystal display, by user aobvious
Show that the touch signal on interface is sent to controller 11, is controlled according to the touch gestures of user by controller 11 and throw the aobvious of screen content
Show, writes picture operation on display interface to realize alternatively, rendering the touch track of user and/or input information, specifically, such as
It is upon step s 2, further comprising the steps of shown in Fig. 6：
S3：When receiving annotation instruction, judgement writes picture and annotates module 112 whether on foreground, if so, directly will be current
Picture is converted to rendered formats to obtain content painting canvas；Picture is write if it is not, then obtaining current picture frame from display caching and switching
Module 112 is annotated to foreground, current picture frame is superimposed upon in the canvas sheet for writing picture annotation module 112, while by current picture
Frame is converted to rendered formats to obtain content painting canvas；It should be noted that if video, webpage, audio, file is currently shown
Deng a kind of data content, then, picture annotation module 112 is write when entering annotation pattern to be needed before switching to from the background
Platform, if the data contents such as picture, word, original handwriting are currently shown, these data contents, which are directly displayed at, writes picture annotation module
In 112 canvas sheet, it need not switch and write picture annotation module 112 to foreground；
S4：Obtain 113 output of touch detection module touches the touch track that display interface generates by user, and this is touched
Touch track be sent to write picture annotation module 112, by write picture annotation module 112 by touch track rendering include on content painting canvas；
The input information that screen client 3 sends over is thrown alternatively, receiving, and input information is rendered on content painting canvas；Input information
Refer to that touch track and/or user of the user on throwing screen 3 place end panel of client input where client in terminal
Word content.
S5：When receiving recovery instruction, by the touch track and/or input information on content painting canvas and the content painting canvas
Picture format is converted to together to be preserved to obtain content painting canvas picture, and restores the display of content after preserving successfully.
Also, the present embodiment is further comprising the steps of：
Blank canvas picture and/or content painting canvas picture are sent to corresponding throw and shield client 3；Alternatively, such as Fig. 7 institutes
Show, when receiving end throwing screen link order, the foundation of client 3 will be shielded with corresponding throwing and throws the blank picture generated during screen connects
Cloth picture and/or content painting canvas picture, which are transmitted, subsequently to be looked back to corresponding screen client 3 of throwing for user.
And the end is thrown screen instruction and is executed by the following method：
User in throwing screen client 3 by carrying out specific operation corresponding with throwing screen link order is terminated will terminate throwing
Screen link order, which is sent to, throws screen device 1, throws screen device 1 and is disconnected when receiving end and throwing screen link order and throwing screen visitor
Throwing screen connection relation between family end 3；
Alternatively, user disconnects and throwing screen client when being carried out on display interface corresponding to the specific operation for throwing screen link order
Throwing screen connection relation between end 3；
Further, further comprising the steps of during carrying out content throwing screen：
When in same canvas sheet, will successively throw incoming content be arranged above and below according to sequencing and/or
Left-right situs is in the canvas sheet, and the wireless extension in above and below each canvas sheet and/or left and right, that is to say, that selects hair in user
Go out before clear screen instruction, user shows to contents such as word, the pictures for throwing the transmission of screen device 1 in same canvas sheet, and mutually
Between arranged according to certain rule.
In addition, when detecting with 3 abnormal disconnect of client, throws screen client 3 and this throwing screen device 1 and actively carry
The identity information of other side, such as ID number are initiated to reconnect request to server 4.
Further, by remote control interface, user can also access the local text for throwing screen device 1 in throwing screen client 3
Visitor is far from throwing screen device 1 its local file can be easily accessed by throwing screen client 3 in part.
Embodiment two
The present embodiment also discloses a kind of throwing screen that content throwing screen is realized by client for opening method using embodiment one
Device 1, the throwing screen device 1 include the controller 11 being connect with the display equipment 2 with touch function, the controller
11 throw panel module 111 including first, write picture annotation module 112, touch detection module 113 and command reception and processing module 114,
Wherein,
First throws panel module 111：Screen connection relation is thrown for being established with throwing screen client 3, and is used to receive and throws screen client
The throwing screen content that end 3 is sent；
Write picture annotation module 112, for will work as image frame be converted to can rendered formats with obtain with current picture frame be the back of the body
The content painting canvas of scape；And for touch track and/or input information to be rendered and include in content painting canvas and/or sky
On white painting canvas；
Touch detection module 113 for receiving touch track of the user on display interface, and touch track is sent to
Picture annotation module 112 is write to carry out rendering display or touch track is sent to command reception and processing module 114；
Command reception and processing module 114 are sent for receiving touch detection module 113 detects and/or client
The control instruction to come over, and the dispaly state for throwing screen content is controlled according to control instruction.
Embodiment three
As shown in figure 8, present embodiment discloses it is a kind of based in embodiment one method pass through client realize content throw
Throwing screen device 1 in the system of screen, including embodiment two, the display equipment 2 with touch function being connect with throwing screen device 1,
The throwing screen client 3 of screen connection is thrown with throwing screen device 1, and the server being connect respectively with throwing screen device 1 and throwing screen client 3
4, the throwing screen device 1 includes controller 11, which is connected to the display equipment 2, the controller 11
Again include first throwing panel module 111, write picture annotation module 112 and touch detection module 113, the throwing screen client 3 include
Second throws panel module 31 and remote control module 32, and the server 4 includes throwing screen link block 41, wherein
Second throws panel module 31, is used to initiate to throw screen connection request to server 4, and for projecting to throwing screen device 1
Throw screen content；
Remote control module 32 throws the dispaly state for shielding content for sending control instruction to throwing screen device 1 to control, with
And for checking the local file for throwing screen device 1.
Screen link block 41 is thrown, for solicited message to be sent to throwing when throwing screen client 3 and initiating to throw screen request
Screen device 1, and screen client 3 will be thrown and throw screen connection relation with the foundation of screen device 1 is thrown.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Screen device 1 is thrown although being used more herein；Controller 11；First throws panel module 111；Write picture annotation module
112；Touch detection module 113；Command reception and processing module 114；Show equipment 2；Throw screen client 3；Second throws panel module
31；Remote control module 32；Server 4；The terms such as screen link block 41 are thrown, but the possibility using other terms is not precluded
Property.The use of these items is only for more easily describe and explain the essence of the present invention；It is construed as any type
Additional limitation is all disagreed with spirit of that invention.
Claims (10)
1. a kind of method for realizing that content throws screen by client, which is characterized in that including following methods：
S1：Receive the throwing screen client that throwing screen client (3) is sent to the throwing screen request of server (4) and throws screen request with transmission
(3) it establishes and throws screen connection relation；
S2：It includes in display equipment (2) to receive the throwing screen content that throwing screen client (3) sends over and will throw screen content；
S3：According to the control instruction control for throwing control instruction and/or this throwing screen device (1) end that screen client (3) sends over
Throw the dispaly state of screen content.
2. the method according to claim 1 for realizing that content throws screen by client, which is characterized in that in the throwing screen
Appearance includes word content, writes in picture original handwriting content, image content, video content, audio content, file content and web page contents
The combination of any one or more.
3. the method according to claim 2 for realizing that content throws screen by client, which is characterized in that the control refers to
Order includes that clear screen/clear screen retreats to backstage instruction, playing progress rate control instruction, content proportional zoom control instruction, location of content control
The combination of any one or more in instruction is reformed in system instruction, pause/END instruction, annotation instruction and revocation/；Wherein,
If clear screen/clear screen retreat to backstage instruct, determine whether clear screen retreat to backstage instruct, if so, will currently show into
Journey retreats to backstage and provides new painting canvas；If it is not, then terminating to throw the display of screen content and providing new blank canvas；
If playing progress rate control instruction, the playing progress rate of currently playing content is controlled according to control instruction；
If content proportional zoom control instruction, specified throw is controlled according to control instruction and shields zooming in or out for content；
If location of content control instruction, is controlled according to control instruction and content is specified to adjust the position in display interface；
If pause/END instruction, suspends the broadcasting for throwing screen content according to control instruction or terminate to throw the broadcasting of screen content；
If annotation instruction, it is on display interface or logical for user that annotation pattern is entered according to control instruction control display interface
It crosses throwing and shields client (3) to specific content into row write picture annotation, specific content is criticized into row write picture when shielding client (3) by throwing
The input information that user's terminal where throwing screen client (3) is received when note shields content according to the input information in throwing
It is upper to generate corresponding endorsement information；
If cancelling/reforming instruction, nearest operational motion in current display interface is cancelled according to control instruction；
Also, dispaly state is synchronized to throwing screen client while controlling throwing screen content dispaly state according to control instruction
(3)。
4. it is according to claim 3 by client realize content throw screen method, which is characterized in that execute clear screen/
When clear screen retreats to backstage instruction, determine whether that clear screen retreats to backstage and instructs, if so, being instructed receiving throwing screen content recovery
Afterwards, blank canvas picture format is converted to together with input information and/or touch track in the blank canvas to preserve
To obtain blank canvas picture, and the display of screen content is thrown in recovery after preserving successfully, and the clear screen/clear screen retreats to backstage
Instruction, which is sent out by client or touched by user, shows that the display interface of equipment (2) is sent out.
5. it is according to claim 3 by client realize content throw screen method, which is characterized in that step S2 it
Afterwards, further comprising the steps of：
S3：When receiving annotation instruction, judgement writes picture annotation module (112) whether on foreground, if so, directly will currently draw
Face is converted to rendered formats to obtain content painting canvas；Picture batch is write if it is not, then obtaining current picture frame from display caching and switching
Current picture frame is superimposed upon in the canvas sheet for writing picture annotation module (112), while will currently draw by injection molding block (112) to foreground
Face frame is converted to rendered formats to obtain content painting canvas；
S4：Obtain that touch detection module (113) exports touches the touch track that display interface generates by user, and by the touch
Track, which is sent to, writes picture annotation module (112), includes in content painting canvas by writing picture annotation module (112) by touch track rendering
On；The input information that screen client (3) sends over is thrown alternatively, receiving, and input information is rendered on content painting canvas；
S5：When receiving recovery instruction, content painting canvas and the annotation notes on the content painting canvas are converted into picture lattice together
Formula is preserved to obtain content painting canvas picture, and restores the display of content after preserving successfully.
6. the method according to claim 5 for realizing that content throws screen by client, which is characterized in that further include following step
Suddenly：
Blank canvas picture and/or content painting canvas picture are sent to corresponding throw and shield client (3)；
Alternatively, receive terminate to throw screen link order when, will with it is corresponding throw screen client (3) establish throw screen connection during generate
Blank canvas picture and/or content painting canvas picture transmit and throw screen client (3) to corresponding.
And the end is thrown screen instruction and is executed by the following method：
The throwing between screen client (3) is disconnected and throws when receiving to throw when screen link order is thrown in the end that screen client (3) is sent
Shield connection relation；
Alternatively, being disconnected when receiving user and throwing screen link order by touching the end that display interface is sent out and throwing screen client
(3) the throwing screen connection relation between.
7. realizing that content throws the method shielded by client according to claim 1-6 any one, which is characterized in that logical
It crosses following methods and establishes throwing screen connection relation with screen client (3) is thrown：
A throwing screen Quick Response Code for carrying the ID for indicating the throwing screen device (1) is asked to server (4)；It is waited for by long connection
It throws screen client (3) and scans the throwing screen Quick Response Code；And pass through service after throwing screen client (3) and scanning the throwing screen Quick Response Code
Device (4), which obtains the information of the throwing screen client (3) and established with the throwing screen client (3), throws screen connection relation；
Alternatively, ID number and pairing code to server (4) registration for pairing；Screen client (3) is thrown to server receiving
(4) it is established with the throwing screen client (3) after the pairing request to match with ID number and pairing code initiated and throws screen connection.
8. realizing that content throws the method shielded by client according to claim 1-6 any one, which is characterized in that
It is further comprising the steps of during carrying out content throwing screen：
When in same canvas sheet, it will successively throw incoming content and be arranged above and below and/or control according to sequencing
It is arranged in the canvas sheet, and the wireless extension in above and below each canvas sheet and/or left and right.
9. a kind of realizing that content throws the throwing screen device (1) that content throwing screen is realized by client of the method for screen by client,
It is characterized in that, the throwing screen device (1) includes the controller (11) being connect with the display equipment (2) with touch function,
The controller (11) includes the first throwing panel module (111), writes picture annotation module (112), touch detection module (113) and refer to
Enable reception and processing module (114), wherein
First throws panel module (111)：Screen white silk grade relationship is thrown for being established with throwing screen client (3), and screen client is thrown for receiving
The throwing screen content for holding (3) to send；
Write picture annotation module (112), for will work as image frame be converted to can rendered formats to obtain using current picture frame as background
Content painting canvas；And for touch track and/or input information to be rendered and include in content painting canvas and/or blank
On painting canvas；
Touch detection module (113) for receiving touch track of the user on display interface, and touch track is sent to and is write
Annotation module (112) is drawn to carry out rendering display or touch track is sent to command reception and processing module (114)；
Command reception and processing module (114) are sent for receiving touch detection module (113) detects and/or client
The control instruction to come over, and the dispaly state for throwing screen content is controlled according to control instruction.
10. a kind of system that content throwing screen is realized by client based on the method for realizing content throwing screen by client,
It is characterized in that, including the throwing screen device (1) described in claim 9, the display with touch function being connect with throwing screen device (1)
Equipment (2), the throwing screen client (3) with throwing screen device (1) throwing screen connection, and shield client with throwing screen device (1) and throwing respectively
The server (4) of (3) connection is held, the throwing screen device (1) includes controller (11), which is connected to described
Show equipment (2), the controller (11) but include the first throwing panel module (111), write picture annotation module (112) and touch examine
Module (113) is surveyed, the throwing screen client (3) throws panel module (31) and remote control module (32) including second, described
Server (4) includes throwing screen link block (41), wherein
Second throws panel module (31), is used to initiate to throw screen connection request to server (4), and for throwing to throwing screen device (1)
Penetrate throwing screen content；
Remote control module (32) throws the dispaly state for shielding content for sending control instruction to throwing screen device (1) to control, with
And for checking the local file for throwing screen device (1).
Screen link block (41) is thrown, for solicited message to be sent to throwing when throwing screen client (3) and initiating to throw screen request
Screen device (1), and screen client (3) will be thrown and throw screen connection relation with screen device (1) foundation is thrown.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066465 | 2018-01-24 | ||
| CN2018100664655 | 2018-01-24 |
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| Publication Number | Publication Date |
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| CN108282677A true CN108282677A (en) | 2018-07-13 |
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ID=62808164
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810131531.2A Pending CN108282677A (en) | 2018-01-24 | 2018-02-09 | Realize that content throws method, throwing screen device and the system of screen by client |
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