CN111767014A - Multi-display screen cooperative display system and method - Google Patents
Multi-display screen cooperative display system and method Download PDFInfo
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- CN111767014A CN111767014A CN202010567223.1A CN202010567223A CN111767014A CN 111767014 A CN111767014 A CN 111767014A CN 202010567223 A CN202010567223 A CN 202010567223A CN 111767014 A CN111767014 A CN 111767014A
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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Abstract
The embodiment of the invention discloses a multi-display screen cooperative display system and a method. Wherein, many display screens are display system in coordination includes: the main display screen and each auxiliary display screen are sequentially connected in series to form a serial channel; the main display screen is used for determining complete display content and local display content according to the independent display parameters and the display screen splicing parameters of the display screens; sending the complete display content and the display determination parameters to the next display screen directly connected; the auxiliary display screen is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen; and if the next display screen is directly connected, sending the complete display content and the display determination parameters to the next directly connected display screen. According to the technical scheme of the embodiment of the invention, each display screen can independently calculate the display content, the display parameters do not need to be manually set, and the labor cost is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of display screen control, in particular to a multi-display screen cooperative display system and method.
Background
Along with the improvement of user to showing the demand, need use the display screen to carry out information display under many circumstances, because show content information volume is different to and show space variation in size, need carry out split or concatenation to the display screen according to the in-service use condition, realize that the single screen independently shows or carries out the concatenation demonstration with a plurality of display screens.
In the prior art, when the display screen is changed from the independent display mode to the splicing mode, or the splicing mode is adjusted to the independent mode, the parameters of the display screen are manually adjusted, in the splicing mode, a user needs to manually adjust contents to be displayed according to the display parameters of the splicing screen, the consumed labor cost is high, and the contents displayed by the display screens are preset according to the respective placement positions, so that the display screen placement positions cannot be flexibly changed.
Disclosure of Invention
The embodiment of the invention provides a multi-display screen cooperative display system and method, each display screen can independently calculate the display content, the display parameters do not need to be manually set, and the labor cost is reduced.
In a first aspect, an embodiment of the present invention provides a multi-display screen collaborative display system, where the system includes: the main display screen and each auxiliary display screen are sequentially connected in series to form a serial channel;
the main display screen is used for determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of the auxiliary display screens and displaying the local display content; adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected auxiliary display screen;
the auxiliary display screen is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen and displaying the display content of the local computer; and if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
In a second aspect, an embodiment of the present invention provides a multi-display cooperative display method, which is applied to a main display of a multi-display cooperative display system provided in any embodiment of the present invention, and the method includes:
determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of each auxiliary display screen, and displaying the local display content;
and adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen.
In a third aspect, an embodiment of the present invention provides a multi-display screen collaborative display method, which is applied to a secondary display screen of a multi-display screen collaborative display system provided in any embodiment of the present invention, and the method includes:
determining local display content according to the complete display content and the display determination parameter received from the directly connected last display screen, and displaying the local display content;
and if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
The technical scheme of the embodiment of the invention is that the multi-display screen cooperative display system comprises a main display screen and at least one auxiliary display screen, wherein the main display screen and each auxiliary display screen are sequentially connected in series to form a serial channel, the main display screen is used for determining complete display content and local display content according to independent display parameters and display screen splicing parameters of each display screen and displaying the local display content, and is also used for sending the complete display content and display determination parameters to a next directly connected display screen, the auxiliary display screen is used for determining the local display content according to the complete display content and display determination parameters received from the previous directly connected display screen and displaying the local display content, if the next directly connected display screen is determined, the complete display content and the display determination parameters are sent to the next directly connected display screen, and each display screen can independently calculate the respective display content according to the obtained parameters, need not manual setting display parameter, reduce the human cost.
Drawings
FIG. 1a is a schematic structural diagram of a multi-display cooperative display system according to a first embodiment of the present invention;
FIG. 1b is a schematic diagram of a multi-display cooperative display mode according to a first embodiment of the present invention;
FIG. 1c is a schematic structural diagram of a single display screen according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a multi-display cooperative display method according to a second embodiment of the present invention;
FIG. 3 is a flowchart of a multi-display cooperative display method according to a third embodiment of the present invention;
FIG. 4 is a flowchart of a multi-display cooperative display method according to a fourth embodiment of the present invention;
fig. 5 is a flowchart of a multi-display screen cooperative display method in a fifth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1a is a schematic structural diagram of a multi-display cooperative display system according to an embodiment of the present invention, where the multi-display cooperative display system includes: the display screen comprises a main display screen 1 and at least one auxiliary display screen 2, wherein the main display screen 1 and each auxiliary display screen 2 are sequentially connected in series to form a serial path.
The main display screen 1 is used for determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of the auxiliary display screens 2 and displaying the local display content; and adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected auxiliary display screen 2.
The main display screen 1 can receive the independent display parameters of the auxiliary display screen sent to the main display screen 2 by at least one auxiliary display screen in the serial channel, then calculates the complete display content of the multi-display-screen cooperative display system according to the preset display screen splicing parameters and the independent display parameters of each auxiliary display screen, determines the display content of the computer, and finally displays the display content of the computer. Meanwhile, the main screen display parameters are added into the display determination parameters by the main screen 1, and the complete display content and the main screen display parameters are sent to the next display screen 2 directly connected, so that the next display screen 2 can calculate the display content of the computer according to the information sent by the main screen 1.
For example, the current multi-display screen cooperative display system includes 1 main display screen 1 and 2 sub-display screens 2, and 3 display screens are connected in series in sequence, that is, the main display screen 1 is connected with the first sub-display screen 2, and the 1 st sub-display screen 2 is connected with the main display screen 1 and the second sub-display screen 2 at the same time. Before displaying the content, the main display 1 receives the sub-screen independent display parameters sent by the 2 sub-display 2, specifically, the second sub-display 2 sends the corresponding sub-screen independent display parameters, for example, 512 × 768, to the first sub-display 2, the first sub-display 2 sends the sub-screen independent display parameters corresponding to the second sub-display 2 and the sub-screen independent display parameters corresponding to the first sub-display 2, for example, 384 × 768, to the main display 1 together, the main display calculates the complete display content and the local display content according to the received sub-screen independent display parameters, the main display independent display parameters (for example, 256 × 768), and the display splicing parameters, for example, the display splicing parameters are arranged in a row according to the sequence of the main display 1, the first sub-display 2, and the second sub-display 2, and the main display may calculate the complete display parameter to be 1152 × 768, and adjusting the picture to be displayed according to the complete display parameters to obtain complete display content, and meanwhile, determining that the area with the abscissa of 0-256 and the ordinate of 0-768 in the complete display content is the local display content, as shown in fig. 1b, and finally displaying the local display content. Meanwhile, the main display screen 1 adds the main display screen display parameters to the display determination parameters, and sends the acquired complete display content and the display determination parameters together to the next display screen 2 directly connected with the main display screen. The coordinate system takes the upper left corner of the complete display content as an origin, takes the horizontal direction to the right as the positive direction of an X axis, and takes the vertical direction to the downward as the positive direction of a Y axis.
The auxiliary display screen 2 is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen and displaying the display content of the local computer; and if the next auxiliary display screen 2 is directly connected, adding the matched independent auxiliary display parameters into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next auxiliary display screen 2.
After receiving the complete display content and the display determination parameter sent by the previous display screen (which may be the main display screen 1 or the auxiliary display screen 2) directly connected with the auxiliary display screen 2, the auxiliary display screen 2 determines the display content of the local computer and displays the display content of the local computer, and meanwhile, judges whether the current auxiliary display screen 2 is directly connected with a next auxiliary display screen 2, if so, adds the matched independent display parameter of the auxiliary display screen to the display determination parameter, and sends the complete display content and the display determination parameter to the next directly connected auxiliary display screen 2.
For example, the secondary display screen 2 receives the complete display content, for example, a picture of 1152 × 786, sent by the primary display screen 1 directly connected to the secondary display screen 2, and the display determination parameter, for example, the primary screen independent display parameter of the primary display screen 1 is 256 × 768, and the secondary screen independent display parameter of the current secondary display screen 2 is 384 × 768, at this time, the secondary display screen 2 may calculate the local display content according to the above parameters, specifically, as shown in fig. 1b, the local display content is an area with an abscissa of 256-768 and an ordinate of 0-768 in the complete display content. Meanwhile, the current auxiliary display screen 2 can also judge whether a next auxiliary display screen 2 directly connected exists, if so, the matched independent display parameters of the auxiliary display screen are added into the display determining parameters, and the complete display content and the display determining parameters are sent to the next auxiliary display screen 2 directly connected together.
Optionally, each display screen includes a first splicing port 3 and a second splicing port 4, the second splicing port 4 of the previous display screen is connected with the first splicing port 3 of the next display screen, the first splicing port 3 of the main display screen 1 is suspended, and the second splicing port 4 of the last auxiliary display screen 2 is suspended;
the first splicing interface 3 is configured to receive complete display content and display determination parameters sent by the second splicing interface 4 of the directly connected previous display screen, and send sub-screen independent display parameters of all the sub-display screens 2 behind the current sub-display screen 2 to the second splicing interface 4 of the previous display screen;
and the second splicing interface 4 is used for sending complete display content and display determination parameters to the first splicing interface 3 of the next display screen directly connected, and receiving the auxiliary screen independent display parameters of all the auxiliary display screens 2 behind the current auxiliary display screen 2 sent by the first splicing interface 3 of the next display screen.
In this optional embodiment, the structure of each display screen is as shown in fig. 1c, and all include first joint 3 and second joint 4, and each display screen connects in series in proper order through joining the interface, and is concrete, and the second joint 4 of the preceding display screen links to each other with the first joint 3 of the following display screen, and is more special, and the first joint of main display screen 1 is in unsettled state, and the second joint 4 that is in the most terminal vice display screen 2 of series connection is unsettled, therefore, each display screen can judge whether self is main display screen 1 or vice display screen 2 according to whether unsettled first joint 3.
The first splicing interface 3 is used for receiving complete display content and display determination parameters sent by the second splicing interface 4 of the directly connected previous display screen, and sending auxiliary screen independent display parameters of all the auxiliary display screens 2 behind the current auxiliary display screen 2 to the second splicing interface 4 of the previous display screen. That is to say, each display screen performs information transmission with the previous display screen through the first pin interface 3, including receiving information sent by the previous display screen, and sending information to the previous display screen through the first pin interface 3.
The second splicing interface 4 is used for sending complete display content and display determination parameters to the first splicing interface 3 of the next secondary display screen 2 directly connected, and receiving the independent display parameters of the secondary screens of all the secondary display screens 2 behind the current secondary display screen 2 sent by the first splicing interface 3 of the next secondary display screen 2. That is, each display screen performs information transmission with the next display screen through the second interface 4, including sending information to the next display screen and receiving information sent by the next display screen through the first interface 3. The second splicing interface 2 of the previous display screen is connected with the first splicing interface 3 of the directly connected subsequent display screen through a data line, and the data line can be a SerDes interface (line), an optical fiber interface (line), an HDMI interface (line), a DVI interface (line) and the like.
Optionally, each display screen comprises a programmable logic controller 5 and a microprocessor 6;
the programmable logic controller 5 of the main display screen 1 is configured to determine display parameters of a spliced screen according to the independent display parameters of the auxiliary display screens 2, the independent display parameters of the main display screen, and the splicing parameters of the display screens, and send the display parameters of the spliced screen to the microprocessor 6; receiving the complete display content sent by the microprocessor 6, adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen 2;
the programmable logic controller 5 of the auxiliary display screen 2 is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen; if the next auxiliary display screen 2 is directly connected, adding the matched independent auxiliary display parameters into the display determining parameters, and sending the complete display content and the display content determining parameters to the directly connected next auxiliary display screen 2;
and the microprocessor 6 is used for receiving data to be displayed sent by the upper computer, processing the data to be displayed according to the display parameters of the spliced screen sent by the programmable logic controller 5 of the main display screen to obtain complete display content and sending the complete display content to the programmable logic controller 5 of the main display screen.
In this optional embodiment, each display screen further includes a Programmable logic controller 5 and a microprocessor 6, as shown in the specific rabbit 1c, where the Programmable logic controller may be an FPGA (Field Programmable Gate Array) chip, and the microprocessor 6 may be an MCU (micro controller Unit) chip based on an ARM core, where the Programmable logic controller 5 is connected to the microprocessor, the first splicing port and the second splicing port through a control bus (solid arrow) and a display data bus (hollow arrow), respectively, and the control bus is used for transmitting control information, and the display data bus is used for transmitting data that needs to be displayed by the display screen. The programmable logic controller 5 of the main display screen 1 can calculate the display parameters of the spliced screen (display parameters after splicing of multiple display screens) according to the received independent display parameters of the auxiliary display screens 2, the independent display parameters of the main display screen and the splicing parameters of the display screens, send the display parameters of the spliced screen to the microprocessor 6, receive the complete display content obtained by processing the original display data by the microprocessor 6 according to the display parameters of the spliced screen, determine the display content of the local computer according to the display parameters of the main display screen and the complete display Nell, display the local computer, add the independent display parameters of the main display screen into the display determination parameters, and send the complete realization content and the display determination parameters to the next auxiliary display screen 2 directly connected, so that the next auxiliary display screen 2 can calculate the area required to be displayed according to the information.
The programmable logic controller 5 of the secondary display screen 2 can calculate the region which needs to be displayed, namely the display content of the local computer, according to the complete display content and the display determination parameter received from the directly connected last display screen, and when the current secondary display screen 2 is determined to be directly connected with the next secondary display screen 2, the independent display parameter of the secondary screen is added into the display determination parameter, and the complete display content and the display content determination parameter are sent to the directly connected next secondary display screen.
The microprocessor 6 is configured to receive data to be displayed sent by the upper computer, process the initial data to be displayed according to the display parameters of the mosaic screen sent by the programmable logic controller 5 of the main display screen, and obtain complete display content, where the complete display content is obtained by processing the initial data to be displayed, for example, the processing mode is resolution scaling, and finally the microprocessor 6 sends the complete display content to the programmable logic controller 5 of the main display screen 1.
The technical scheme of the embodiment of the invention is that the multi-display screen cooperative display system comprises a main display screen and at least one auxiliary display screen, wherein the main display screen and the auxiliary display screens are sequentially connected in series to form a serial channel, the main display screen is used for determining complete display content and local display content according to independent display parameters and display screen splicing parameters of the display screens and displaying the local display content, and is also used for sending the complete display content and display determination parameters to a next directly connected display screen, the auxiliary display screen is used for determining the local display content according to the complete display content and display determination parameters received from the previous directly connected display screen and displaying the local display content, if the next directly connected display screen is determined, the complete display content and display determination parameters are sent to the next directly connected display screen, on one hand, each display screen can independently calculate the respective display content according to the acquired parameters, need not manual setting display parameter, on the other hand, need not the initial data of waiting to show of manual regulation, reduce the human cost.
Example two
Fig. 2 is a flowchart of a multi-display screen cooperative display method in a second embodiment of the present invention, where the technical solution of this embodiment is applicable to a situation of multi-display screen tiled display, and the method may be executed by a main display screen in a multi-display screen cooperative display system, and specifically includes the following steps:
and 110, determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of the auxiliary display screens, and displaying the local display content.
In this embodiment, the main display screen first receives the independent display parameters of the sub-screens sent by the sub-display screens, then determines the complete display content and the display content of the local computer according to the independent display parameters of the sub-screens, the independent display parameters of the main screen, and the splicing parameters of the display screens, and displays the display content of the local computer.
Illustratively, the independent display parameters of each sub-screen received by the main screen and sent by the directly connected sub-screens are respectively the resolution 384 x 768 of the first sub-screen, the resolution 512 x 768 of the second sub-screen, the independent display parameters of the main screen are the resolution 256 x 768 of the main screen, the splicing parameters of the display screens include that 3 screens are arranged into a 1 x 3 display screen array from left to right, then according to the above parameters, the integral display parameter of the spliced display screen can be calculated and obtained to be 1152 x 768, at this time, the data to be displayed can be processed according to the integral display parameter, the data are processed to be the complete display content which is in accordance with the current integral display parameter, namely the resolution of the complete display content is 1152 x 768, after the complete display content is determined, according to the independent display parameters of the main screen, the local display content is determined to be a pixel point region with the horizontal coordinate range of 0-256 and the vertical coordinate range of 0-768, and displays the region. The coordinate system takes the upper left corner of the complete display content as the origin, the right direction in the horizontal direction as the positive direction of the X axis, and the downward direction in the vertical direction as the positive direction of the Y axis.
And 120, adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen.
The display determination parameter is a parameter for determining a region to be displayed on the current display screen in the complete display content, and the display determination parameter may be an independent display parameter of all display screens before the current display screen and a display screen splicing parameter. Illustratively, the display determination parameters received by the auxiliary display screen arranged at the 3 rd position include independent display parameters and display screen splicing parameters of each display screen displayed before the current auxiliary display screen, and specifically include the main screen independent display parameters, the independent display parameters of the first auxiliary display screen, and the arrangement mode and the display sequence of the display screens.
In this embodiment, after the main display screen displays the corresponding region, the main screen independent display parameters are added to the all-display determination parameters, and then the display determination parameters and the complete display content are sent to the next secondary display screen together, so that the next secondary display screen can determine the display content of the local computer according to the parameters.
Illustratively, the main screen independent display parameters 256 × 768 are added to the display determination parameters, and then the display determination parameters and the processed complete display content are sent to the next display screen.
According to the technical scheme of the embodiment of the invention, the main display screen determines the complete display content and the local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of the auxiliary display screens, displays the local display content, then adds the main screen independent display parameters into the display determining parameters, and sends the complete display content and the display determining parameters to the next directly connected auxiliary display screen, so that the next auxiliary display screen determines the local display content according to the received parameters, a user does not need to manually set the display parameters of each screen and the resolution of the content to be displayed, and the working efficiency of the spliced display screen is improved.
EXAMPLE III
Fig. 3 is a flowchart of a multi-display screen cooperative display method in a third embodiment of the present invention, which is further detailed based on the above embodiments, and provides specific steps of determining complete display content and local display content according to the auxiliary screen independent display parameter, the main screen independent display parameter, and the display screen splicing parameter of each auxiliary display screen, and displaying the local display content. A multi-display screen cooperative display method provided by a third embodiment of the present invention is described below with reference to fig. 3, including the following steps:
and step 210, obtaining the independent display parameters of the auxiliary screens of the auxiliary display screens reported step by step through the serial channel.
In this embodiment, the independent display parameter of the auxiliary screen of each auxiliary display screen is reported to the main display screen step by step through the serial channel, specifically, the auxiliary display screen located at the end of the serial structure sends the independent display parameter of the auxiliary screen to the last auxiliary display screen directly connected, the last auxiliary display screen sends the independent display parameter of the auxiliary screen and the independent display parameter of the auxiliary screen of the end display screen to the last auxiliary display screen directly connected together, and until the auxiliary display screen directly connected with the main display screen sends the independent display parameter of the auxiliary screen of all the auxiliary display screens to the main display screen.
220, calculating display parameters of the spliced screen according to the independent display parameters of the auxiliary screens, the independent display parameters of the main screen and the splicing parameters of the display screens of the auxiliary display screens;
the display screen splicing parameters comprise the arrangement mode of the display screens and the display sequence of each display screen.
In this embodiment, after the main display screen receives the independent display parameters of the sub-screens, the display parameters of the spliced screen are calculated according to the independent display parameters of the sub-screens, the independent display parameters of the main display screen and the splicing parameters of the display screens.
Illustratively, 3 display screens are spliced, the sub-screen independent display parameters received by the main display screen from the two sub-display screens are respectively the display resolution 384 × 768 of the first sub-display screen, the display resolution 512 × 768 of the second sub-display screen, the main-screen independent display parameter of the main display screen is the display resolution 256 × 768, and a user sets the arrangement mode and the display sequence of the display screens in advance, for example, the display screen array is arranged as 1 × 3, the display sequence is from left to right, at this time, the main display screen can calculate the display parameters of the spliced screen as the display resolution 1152 × 768 according to the above information.
And step 230, processing the data to be displayed according to the display parameters of the spliced screen to obtain complete display content.
The complete display content is display data which is obtained by processing data to be displayed and is adaptive to display parameters of the spliced screen.
In this embodiment, after the display parameters of the tiled display screen are obtained, in order to enable the data to be displayed to be adaptive to the tiled display screen, the data to be displayed needs to be processed according to the display parameters of the tiled display screen, so as to obtain complete display content.
Illustratively, the resolution of the original data to be displayed is 2304 × 1536, and the display parameter of the tiled screen is 1152 × 768, at this time, the resolution of the data to be displayed needs to be scaled down, and finally, the complete display content with the resolution of 1152 × 768 is obtained.
And 240, determining the display content of the local computer according to the independent display parameters and the complete display content of the main screen.
In this embodiment, the main display determines the display parameters of the local computer according to the independent display parameters of the main display and the complete display content obtained by processing. Illustratively, the resolution of the complete display content is 1152 × 768, and the main screen independent display parameter is 256 × 768, at this time, it can be determined that the area with the abscissa ranging from 0 to 256 and the ordinate ranging from 0 to 768 in the complete display content is displayed by the main screen, that is, the local display content of the main screen.
And step 250, displaying the display content of the computer.
In this embodiment, after the local display content is determined, the local display content is displayed on the main display screen.
And step 260, adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen.
The technical scheme of the embodiment of the invention is that a main display screen firstly obtains the independent display parameters of the auxiliary display screens reported by the auxiliary display screens step by step through a serial channel, calculates the display parameters of a spliced screen according to the independent display parameters of the auxiliary display screens, the independent display parameters of the main screen and the splicing parameters of the display screens, then processes data to be displayed according to the display parameters of the spliced screen to obtain complete display content, determines the display content of a local machine according to the independent display parameters of the main screen and the complete display content, finally displays the display content of the local machine, simultaneously adds the independent display parameters of the main screen into the display determining parameters, and sends the complete display content and the display determining parameters to a next display screen which is directly connected, so that the next display screen determines the display content of the local machine according to the received parameters without manually setting the display parameters of each screen and the resolution of the content to be displayed by a user, the working efficiency of the spliced display screen is improved.
Example four
Fig. 4 is a flowchart of a multi-display screen cooperative display method in a fourth embodiment of the present invention, where the technical solution of this embodiment is applicable to a situation of multi-display screen tiled display, and the method can be executed by a secondary display screen in a multi-display screen cooperative display system, and specifically includes the following steps:
and 310, determining the display content of the local computer according to the complete display content and the display determination parameter received from the immediately previous display screen, and displaying the display content of the local computer.
Optionally, the display determination parameter includes the display screen splicing parameter, a main screen independent display parameter, and an auxiliary screen independent display parameter of an auxiliary display screen before the current display screen.
The display determination parameters include display screen splicing parameters and independent display parameters of all display screens in the display screen serial structure before the current secondary display screen, and exemplarily include display resolutions of all display screens before the current secondary display screen.
In this embodiment, each secondary display screen first receives the complete display content and the display determination parameter sent by the previous display screen directly connected to the secondary display screen, then calculates the display content of the local computer according to the received parameter, and finally displays the display content of the local computer.
Illustratively, 3 display screens are arranged into a display screen array of 1 × 3, the complete display content sent by the 3 rd display screen to the previous display screen is a picture with the resolution of 1152 × 768, the display determination parameters include the front main screen independent display parameter 256 × 768, the sub-screen independent display parameter of the previous sub-display screen is 384 × 768, the display screen matrix is arranged in the manner of 1 × 3, the display sequence is sequentially displayed from left to right, and then the 3 rd display screen can calculate the local display content to be the area with the horizontal coordinate range of 115-.
And 320, if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
In this embodiment, after showing local display content, current vice display screen still can further confirm whether directly has the next vice display screen even, if, then add the independent display parameter of vice screen of self to show in confirming the parameter, and will show complete display content and show that confirm the parameter and send to the next vice display screen that directly links, the independent display parameter of all display screens that each vice display screen received all includes before it and show promptly, at this moment, current vice display screen can be according to showing that confirm the parameter calculation local display content.
According to the technical scheme of the embodiment of the invention, the auxiliary display screen determines the display content of the local machine according to the complete display content and the display determination parameter received from the directly connected last display screen, and displays the display content of the local machine, if the situation that the next display screen is directly connected is determined, the matched independent display parameter of the auxiliary display screen is added into the display determination parameter, and the complete display content and the display determination parameter are sent to the directly connected next display screen, so that the situation that the display content of the local machine is determined by each display screen according to the complete display content and the display determination parameter sent by the last display screen is realized, manual configuration is not needed, the arrangement sequence of each display screen can be randomly changed, and the normal display of a spliced picture is not influenced.
EXAMPLE five
Fig. 5 is a flowchart of a multi-display screen cooperative display method in a fifth embodiment of the present invention, which is further detailed based on the foregoing embodiment, and provides specific steps of determining local display content according to complete display content and display determination parameters received from a directly connected previous display screen, and displaying the local display content. A multi-display screen cooperative display method provided by the fifth embodiment of the present invention is described below with reference to fig. 5, including the following steps:
and step 410, receiving the complete display content and the display determination parameters sent by the previous display screen.
In this embodiment, each sub-display first receives the complete display content and the display determination parameter sent by the previous display directly connected to the sub-display. And the complete display content is the data to be displayed which is obtained by processing the initial data to be displayed and is matched with the display parameters of the splicing screen. The display determination parameters comprise display screen splicing parameters, main screen independent display parameters and auxiliary screen independent display parameters of an auxiliary display screen before the current display screen.
And 420, calculating a display starting coordinate according to the display screen splicing parameter, the main screen independent display parameter, the auxiliary screen independent display parameter of the auxiliary display screen before the current display screen and the complete display content contained in the display determination parameter.
The display start coordinate is located in a coordinate system which takes the upper left corner of the complete display content as an origin, takes the horizontal direction to the right as the positive direction of an X axis and takes the vertical direction to the downward as the positive direction of a Y axis.
In this embodiment, the current secondary display screen calculates the display start coordinate according to the display screen splicing parameter, the primary screen independent display parameter, the secondary screen independent display parameter of each secondary display screen, and the complete display content included in the display determination parameter.
Illustratively, the display screen splicing parameters received by the current secondary display screen include an arrangement mode of the display screens (a display screen array in which the display screens are sequentially arranged in a series order by 1 × 3), a display order of the display screens is sequentially displayed from left to right, a primary screen independent display parameter is 256 × 768, a secondary screen independent display parameter of the secondary display screen before the current secondary display screen is 384 × 768, and at this time, the current secondary display screen may calculate a start display coordinate (640, 0) according to the above parameters.
Optionally, calculating a start display coordinate according to a display screen splicing parameter, a main screen independent display parameter, an auxiliary screen independent display parameter of an auxiliary display screen before a current display screen, and the complete display content included in the display determination parameter, includes:
calculating the displayed content according to the display screen splicing parameter, the main screen independent display parameter and the auxiliary screen independent display parameter of the auxiliary display screen before the current display screen;
and calculating a display starting coordinate according to the complete display content, the displayed content and the display screen splicing parameter.
In this optional embodiment, a specific manner for calculating the starting display coordinate is provided, and first, the displayed content is calculated according to the display screen splicing parameter, the main screen independent display parameter, and the auxiliary screen independent display parameter of the auxiliary display screen before the current display screen, that is, the coordinate range of the displayed area is determined, and then the starting display parameter of the current auxiliary display screen is calculated according to the complete display content, the displayed content, and the display screen splicing parameter.
Illustratively, the display screen splicing parameters received by the current secondary display screen include an arrangement mode of the display screens (a display screen array in which the display screens are sequentially arranged in a series order by 1 × 3), a display order of the display screens is sequentially displayed from left to right, a primary screen independent display parameter is 256 × 768, a secondary screen independent display parameter of the secondary display screen before the current secondary display screen is 384 × 768, at this time, the current secondary display screen can calculate that the displayed content is an area with horizontal coordinates of 0 to 640 and vertical coordinates of 0 to 768 according to the above parameters, and the complete display content is an area with display resolution of 1152 × 768, that is, the current secondary display screen needs to display the areas after the primary display screen and the previous secondary display screen according to the display order, and the display start coordinates are (640, 0).
And 430, determining the display content of the computer according to the display starting coordinate and the independent display parameter of the secondary screen matched with the current secondary display screen.
In this embodiment, after the display start coordinate is known, the display content of the local computer is calculated according to the display start coordinate and the independent display parameter of the secondary screen of the current secondary display screen, that is, the area required to be displayed by the current secondary display screen in the complete display content.
Illustratively, the independent display parameter of the sub-screen of the current sub-screen is display resolution 512 × 768, and after the display start coordinate is calculated to be (640, 0), the area with abscissa of 640-1152 and ordinate of 0-768 in the complete display content of the local display content can be calculated.
And step 440, displaying the local display content.
And step 450, if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
The technical scheme of the embodiment of the invention is that the auxiliary display screen firstly receives complete display content and display determining parameters sent by the previous display screen, calculates the display starting coordinate according to the display screen splicing parameters, the main screen independent display parameters, the auxiliary screen independent display parameters of the auxiliary display screen before the current display screen and the complete display content contained in the display determining parameters, then determines and displays the display content of the local computer according to the display starting coordinate and the auxiliary screen independent display parameters matched with the current auxiliary display screen, if the next auxiliary display screen is directly connected, the matched auxiliary screen independent display parameters are added into the display determining parameters, and the complete display content and the display determining parameters are sent to the next auxiliary display screen directly connected, thereby realizing that each display screen determines the display content of the local computer according to the complete display content and the display determining parameters sent by the previous display screen, the manual configuration is not needed, the arrangement sequence of the display screens can be changed at will, and the normal display of the spliced picture is not influenced.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A multi-display collaborative display system, comprising: the main display screen and each auxiliary display screen are sequentially connected in series to form a serial channel;
the main display screen is used for determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of the auxiliary display screens and displaying the local display content; adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected auxiliary display screen;
the auxiliary display screen is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen and displaying the display content of the local computer; and if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
2. The display system of claim 1, wherein each display screen comprises a first tile interface and a second tile interface, the second tile interface of a previous display screen is connected to the first tile interface of a subsequent display screen, the first tile interface of the main display screen is suspended, and the second tile interface of a last secondary display screen is suspended;
the first splicing interface is used for receiving complete display content and display determination parameters sent by a second splicing interface of a directly connected previous display screen, and sending auxiliary screen independent display parameters of all auxiliary display screens behind a current auxiliary display screen to the second splicing interface of the previous display screen;
and the second splicing port is used for sending complete display content and display determined parameters to the first splicing port of the next display screen directly connected, and receiving the auxiliary screen independent display parameters of all the auxiliary display screens behind the current auxiliary display screen sent by the first splicing port of the next display screen.
3. The display system of claim 2, wherein each display screen comprises a programmable logic controller and a microprocessor;
the programmable logic controller of the main display screen is used for determining display parameters of the spliced screen according to the independent display parameters of the auxiliary display screens, the independent display parameters of the main display screens and the splicing parameters of the display screens, and sending the display parameters of the spliced screen to the microprocessor; receiving complete display content sent by the microprocessor, adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen;
the programmable logic controller of the auxiliary display screen is used for determining the display content of the local computer according to the complete display content and the display determination parameters received from the directly connected last display screen; if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determining parameters, and sending the complete display content and the display content determining parameters to the directly connected next display screen;
and the microprocessor is used for receiving the data to be displayed sent by the upper computer, processing the data to be displayed according to the display parameters of the spliced screen sent by the programmable logic controller of the main display screen to obtain complete display content and sending the complete display content to the programmable logic controller of the main display screen.
4. A multi-display cooperative display method applied to a main display of a multi-display cooperative display system according to any one of claims 1 to 3, comprising:
determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of each auxiliary display screen, and displaying the local display content;
and adding the independent display parameters of the main screen into the display determination parameters, and sending the complete display content and the display determination parameters to the next directly connected display screen.
5. The method of claim 4, further comprising, prior to determining the full display content and the native display content based on the secondary screen independent display parameters and the primary screen independent display parameters for each secondary display screen:
and acquiring independent display parameters of the auxiliary screens of the auxiliary display screens reported step by step through a serial channel.
6. The method of claim 5, wherein determining complete display content and local display content according to the auxiliary screen independent display parameters, the main screen independent display parameters and the display screen splicing parameters of each auxiliary display screen, and displaying the local display content comprises:
calculating display parameters of a spliced screen according to the independent display parameters of the auxiliary screens, the independent display parameters of the main screen and the splicing parameters of the display screens of the auxiliary display screens;
the display screen splicing parameters comprise the arrangement mode of the display screens and the display sequence of each display screen;
processing data to be displayed according to the display parameters of the spliced screen to obtain the complete display content;
determining the display content of the local computer according to the independent display parameters of the main screen and the complete display content;
and displaying the local display content.
7. A multi-display cooperative display method applied to the sub-display of the multi-display cooperative display system according to any one of claims 1 to 3, comprising:
determining local display content according to the complete display content and the display determination parameter received from the directly connected last display screen, and displaying the local display content;
and if the next display screen is directly connected, adding the matched independent display parameters of the auxiliary screen into the display determination parameters, and sending the complete display content and the display determination parameters to the directly connected next display screen.
8. The method of claim 7, wherein the display determination parameters include the display screen stitching parameter, a primary screen independent display parameter, and a secondary screen independent display parameter of a secondary display screen preceding the current display screen.
9. The method of claim 8, wherein determining and displaying the native display content based on the complete display content and the display determination parameter received from the immediately preceding display screen comprises:
receiving complete display content and display determination parameters sent by the previous display screen;
calculating a display starting coordinate according to a display screen splicing parameter, a main screen independent display parameter, an auxiliary screen independent display parameter of an auxiliary display screen before the current display screen and the complete display content which are contained in the display determination parameter;
determining the display content of the local computer according to the starting display coordinate and the independent display parameter of the auxiliary screen matched with the current auxiliary display screen;
and displaying the local display content.
10. The method of claim 9, wherein calculating the start display coordinates according to the display screen splicing parameter, the main screen independent display parameter, the auxiliary screen independent display parameter of the auxiliary display screen before the current display screen, and the complete display content included in the display determination parameters comprises:
calculating the displayed content according to the display screen splicing parameter, the main screen independent display parameter and the auxiliary screen independent display parameter of the auxiliary display screen before the current display screen;
and calculating a display starting coordinate according to the complete display content, the displayed content and the display screen splicing parameter.
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