CN116343657A - Display method and device suitable for large-screen windowing - Google Patents

Display method and device suitable for large-screen windowing Download PDF

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Publication number
CN116343657A
CN116343657A CN202310319000.7A CN202310319000A CN116343657A CN 116343657 A CN116343657 A CN 116343657A CN 202310319000 A CN202310319000 A CN 202310319000A CN 116343657 A CN116343657 A CN 116343657A
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China
Prior art keywords
window
image
starting point
resolution
aspect ratio
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CN202310319000.7A
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Chinese (zh)
Inventor
郭洪猛
张常华
朱正辉
赵定金
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Guangdong Baolun Electronics Co ltd
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Guangdong Baolun Electronics Co ltd
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Priority to CN202310319000.7A priority Critical patent/CN116343657A/en
Publication of CN116343657A publication Critical patent/CN116343657A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The invention discloses a display method and a device suitable for large-screen windowing, wherein the method comprises the following steps: configuring the spliced screen by using a plurality of sending cards according to the first resolution of the spliced screen and the first aspect ratio of the spliced screen, and increasing the aspect ratio row by row with the maximum resolution; acquiring a first starting point coordinate of a window, a width and a height of the window and a plurality of second starting point coordinates of a plurality of sending cards; calculating to obtain a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, a plurality of second starting point coordinates and the width and height of the window; and selecting a corresponding sending card to transmit the image of the window to the spliced screen according to the image cutting sizes and the second starting point coordinates so as to display the window. By adopting the embodiment of the invention, the larger limit of carrying can be realized by using fewer sending cards, and the waste of carrying capacity of the sending cards caused by using the traditional layout mode is avoided.

Description

Display method and device suitable for large-screen windowing
Technical Field
The invention relates to the technical field of spliced large-screen display, in particular to a display method and device suitable for large-screen windowing.
Background
With the expansion of information visualization demands, the existing size screen display cannot meet the demands of users, and large screens obtained by splicing are generated. The display of the spliced large screen or the large screen obtained by splicing solves various defects of the traditional television curtain wall, and provides the best large screen display system for engineering applications such as remote real-time command and dispatch and the like for conveniently, comprehensively and real-time displaying video information of each system. The display spliced large screen is a complete spliced display wall body, and not only can be used as a display independently, but also can be used as an oversized screen. The spliced large screen in the prior art is established to be standard in rows and columns, for example, a 2X3 mode is adopted for splicing walls, and the wide high resolution of each box is calculated according to the standard resolution when 1080P pictures are windowed; however, when docking a non-standard wall, such as an LED large screen display card, there are many limitations, for example, to meet a 3X3 layout, and the configuration of the prior art display card may cause a waste of display cards, that is, each display card cannot load the LED large screen resolution to the maximum extent.
Disclosure of Invention
The invention provides a display method and a display device suitable for large-screen windowing, which are used for solving the technical problem that the carrying capacity of a sending card is limited when a spliced large screen is established and window display is carried out in the prior art.
In order to solve the above technical problems, an embodiment of the present invention provides a display method suitable for large-screen windowing, including:
acquiring a first resolution and a first aspect ratio of a spliced large screen, and configuring a plurality of sending cards to the spliced large screen according to the first resolution and the first aspect ratio by increasing the aspect ratio line by line with the maximum resolution;
acquiring a first starting point coordinate of a window and the width and height of the window; obtaining a plurality of second starting point coordinates of the plurality of sending cards;
calculating to obtain a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window;
and selecting a corresponding sending card to transmit the image of the window to the spliced large screen according to the image cutting sizes and the second starting point coordinates so as to display the window.
According to the resolution and the height and width of the spliced large screen, the configuration of each row of transmitting cards is adjusted in resolution and width and height ratio, so that larger limit carrying is realized by using fewer transmitting cards, and the waste of carrying capacity of the transmitting cards caused by using a traditional layout mode is avoided; in addition, according to the coordinates and width and height of the window, a corresponding transmitting card is selected to transmit image data, so that window display is realized.
Further, the obtaining the first resolution and the first aspect ratio of the spliced large screen, and according to the first resolution and the first aspect ratio, configuring the spliced large screen by a plurality of sending cards with maximum resolution and increasing the aspect ratio row by row, specifically includes:
acquiring the first resolution uploaded by a signal source and the first aspect ratio of the spliced large screen from a server;
calculating to obtain the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio;
and configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
Further, the configuring the plurality of sending cards with the maximum resolution to the spliced large screen to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards line by line to meet the maximum height of the image specifically includes:
configuring a first row of the spliced large screen by a plurality of sending cards according to the maximum resolution and the preset aspect ratio until the maximum width of the image is met;
while configuring the remaining shipping cards for each row, the aspect ratio of the shipping cards is increased row by row until the maximum height of the image is met.
The invention firstly carries out the configuration of the sending card of the first row according to the maximum resolution of the sending card so as to meet the maximum width of the image of the spliced large screen, and then adjusts the aspect ratio of the rest sending cards in each row so as to meet the maximum height of the image of the spliced large screen, thereby realizing the transmission of image data by using fewer sending cards and avoiding the waste of the carrying capacity of the sending card.
Further, the calculating, according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window, obtains a plurality of image cutting sizes required for displaying the window, specifically:
the image cut size, comprising: cutting width and cutting height;
calculating the scaling of the window in the corresponding sending card according to the first starting point coordinates, the second starting point coordinates and the width and height of the window;
and determining the cutting width and the cutting height of the corresponding sending card according to the scaling.
According to the method, the cutting width and the cutting height of the window image in each sending card are determined according to the scaling ratio of the image of the window in the sending card to the sending card, so that the image data of the corresponding sending card transmission window is determined to be selected, and the window is displayed on the spliced large screen.
Further, the first starting point coordinate of the acquisition window and the width and height of the window are specifically:
wherein the window is created in a server;
and acquiring the first starting point coordinate and the width and height of the window from the server.
Further, the acquiring the coordinates of the second starting points of the plurality of sending cards specifically includes:
the coordinate information of the plurality of sending cards is stored in linked list data;
and acquiring the second starting point coordinates from the linked list data.
Further, according to the image cutting sizes and the second starting point coordinates, selecting a corresponding sending card to transmit the image of the window to the large spliced screen for window display, specifically:
determining a child window carried in a corresponding sending card according to the image cutting sizes and the second starting point coordinates;
and the corresponding sending card transmits the images of the sub-windows to the spliced large screen so as to display the windows.
On the other hand, the embodiment of the invention also provides a display device suitable for large-screen windowing, which comprises: the system comprises a sending card configuration module, an image information acquisition module, an image cutting module and a window display module;
the sending card configuration module is used for acquiring a first resolution and a first aspect ratio of the spliced large screen, and configuring the spliced large screen by a plurality of sending cards according to the first resolution and the first aspect ratio by increasing the aspect ratio line by line with the maximum resolution;
the image information acquisition module is used for acquiring a first starting point coordinate of a window and the width and height of the window; obtaining a plurality of second starting point coordinates of the plurality of sending cards;
the image cutting module is used for calculating a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window;
and the window display module is used for selecting a corresponding sending card to transmit the images of the window to the spliced large screen according to the image cutting sizes and the second starting point coordinates so as to display the window.
According to the resolution and the height and width of the spliced large screen, the configuration of each row of transmitting cards is adjusted in resolution and width and height ratio, so that larger limit carrying is realized by using fewer transmitting cards, and the waste of carrying capacity of the transmitting cards caused by using a traditional layout mode is avoided; in addition, according to the coordinates and width and height of the window, a corresponding transmitting card is selected to transmit image data, so that window display is realized.
Further, the transmitting card configuration module includes: a resolution acquisition unit, a calculation unit and a configuration unit;
the resolution obtaining unit obtains the first resolution uploaded by the signal source and the first aspect ratio of the spliced large screen from a server;
the calculating unit is used for calculating the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio;
the configuration unit is used for configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
Further, the configuration unit includes: a first configuration subunit and a second configuration subunit;
the first configuration subunit is configured to configure a plurality of sending cards to a first row of the spliced large screen according to a maximum resolution and a preset aspect ratio until the maximum width of the image is met;
the second configuration subunit is configured to, when configuring the sending cards of each remaining row, increase the aspect ratio of the sending cards row by row until the maximum height of the image is satisfied.
The invention firstly carries out the configuration of the sending card of the first row according to the maximum resolution of the sending card so as to meet the maximum width of the image of the spliced large screen, and then adjusts the aspect ratio of the rest sending cards in each row so as to meet the maximum height of the image of the spliced large screen, thereby realizing the transmission of image data by using fewer sending cards and avoiding the waste of the carrying capacity of the sending card.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of a display method suitable for large-screen windowing according to the present invention;
FIG. 2 is a schematic flow chart of another embodiment of a display method suitable for large-screen windowing according to the present invention;
FIG. 3 is a schematic flow chart of an embodiment of a display device suitable for large-screen windowing according to the present invention;
fig. 4 is a schematic diagram of an embodiment of window image cutting provided in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a flow chart of an embodiment of a display method suitable for large-screen windowing according to the present invention mainly includes steps 101-104, specifically as follows:
step 101: and acquiring a first resolution and a first aspect ratio of the spliced large screen, and configuring the spliced large screen by a plurality of sending cards according to the first resolution and the first aspect ratio by increasing the aspect ratio line by line with the maximum resolution.
In this embodiment, the large spliced screen is formed by splicing a plurality of LED screens.
Step 102: acquiring a first starting point coordinate of a window and the width and height of the window; and acquiring a plurality of second starting point coordinates of the plurality of sending cards.
In this embodiment, the first start point coordinate of the acquisition window and the width and height of the window are specifically: wherein the window is created in a server; and acquiring the first starting point coordinate and the width and height of the window from the server.
In this embodiment, the obtaining the coordinates of the second start points of the plurality of sending cards specifically includes: the coordinate information of the plurality of sending cards is stored in linked list data; and acquiring the second starting point coordinates from the linked list data.
Step 103: and calculating a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window.
In this embodiment, the calculating, according to the first starting point coordinates, the plurality of second starting point coordinates, and the width and height of the window, obtains a plurality of image cutting sizes required for displaying the window, specifically includes: the image cut size, comprising: cutting width and cutting height; calculating the scaling of the window in the corresponding sending card according to the first starting point coordinates, the second starting point coordinates and the width and height of the window; and determining the cutting width and the cutting height of the corresponding sending card according to the scaling.
Referring to fig. 4, a schematic diagram of an embodiment of window image cutting provided by the present invention is shown, wherein 1 is a first sending card, 2 is a second sending card, 3 is a third sending card, and a is a window; assuming a first transmit card on-load resolution of 1920X1080, a second transmit card and a third transmit card on-load resolution of 1920X540; each of the delivery cards is connected by 1 output box. With the coordinate point (0, 0) on the left upper part of the first sending card, the horizontal direction is increased towards the right as the X axis, the vertical direction is increased towards the bottom as the Y axis, the starting point of the window A superposed on the first sending card is (960, 270), the width of the window is 1920, and the height is 540; the window a is set to B, the width is 960, the height is 540, the window a is set to C, the width is 960, the height is 270, the window D is set to 960, and the height is 270. Assuming that the signal source resolution corresponding to this window is 1920X1080, the ratio of the width to 1920=1 and the ratio of the height to 1080/540=2 can be calculated from the width 1920 and the height 540 of the window. The cutting width of the window on the first sending card can be calculated to be 960 x1=960, and the cutting height is calculated to be 540 x2=1080; the cutting width on the second transmitting card is 960 x1=960, and the cutting height is 270 x2=540; the cutting width on the third transmission card is 960 x1=960, and the cutting height is 270 x2=540. The starting point of the display window B on the window A is (0, 0), the starting point of the display window C on the window A is (960,0), the starting point of the display window D on the window A is (960,270), the starting point of the display window B cutting is (0, 0), the starting point of the display window C cutting is (960,0), and the starting point of the display window D cutting is (960,540) according to the scaling; the window B, the window C and the window D are windows of the window A on the first sending card, the second sending card and the third sending card respectively.
In this embodiment, each transmitting card records its own starting point coordinate and actual wide-high band-carried resolution in the spliced large screen, and calculates the cutting starting point and wide-high of each transmitting card in a sequential linked list mode according to the starting point of the window and the width-high of the window during windowing, and the starting point and the image width-high after zooming.
According to the method, the cutting width and the cutting height of the window image in each sending card are determined according to the scaling ratio of the image of the window in the sending card to the sending card, so that the image data of the corresponding sending card transmission window is determined to be selected, and the window is displayed on the spliced large screen.
Step 104: and selecting a corresponding sending card to transmit the image of the window to the spliced large screen according to the image cutting sizes and the second starting point coordinates so as to display the window.
In this embodiment, according to the image cutting sizes and the second starting point coordinates, a corresponding transmitting card is selected to transmit the image of the window to the large spliced screen for window display, which specifically includes: determining a child window carried in a corresponding sending card according to the image cutting sizes and the second starting point coordinates; and the corresponding sending card transmits the images of the sub-windows to the spliced large screen so as to display the windows.
When the method solves the problem of building a spliced large screen, the concept of rows and columns does not exist, and each sending card can exert the maximum carrying capacity; with the same conventional 3X3 layout, the wall can be built with random resolution in the present invention. Three sending cards in the first row, two sending cards in the second row and three sending cards in the third row can be built, so that each sending card can exert the maximum load, and the number of sending cards can be reduced; the selection of the sending card and the setting of the resolution of the sending card are calculated according to the ratio of the resolution of the illumination signal source to the whole spliced wall, so that each sending card can be stored in the X and Y coordinates of the starting point in the spliced wall, and the occupied width and height in the whole spliced wall.
Fig. 2 is a flowchart of another embodiment of a display method suitable for large-screen windowing according to the present invention. The main difference between fig. 2 and fig. 1 is that fig. 2 includes steps 201-203, specifically as follows:
in the present embodiment, step 101 includes steps 201 to 202.
Step 201: and acquiring the first resolution uploaded by the signal source and the first aspect ratio of the spliced large screen from a server.
Step 202: and calculating the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio.
Step 203: and configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
In this embodiment, the configuring the plurality of sending cards with the maximum resolution to the spliced large screen to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards line by line to meet the maximum height of the image specifically includes: configuring a first row of the spliced large screen by a plurality of sending cards according to the maximum resolution and the preset aspect ratio until the maximum width of the image is met; while configuring the remaining shipping cards for each row, the aspect ratio of the shipping cards is increased row by row until the maximum height of the image is met.
The invention firstly carries out the configuration of the sending card of the first row according to the maximum resolution of the sending card so as to meet the maximum width of the image of the spliced large screen, and then adjusts the aspect ratio of the rest sending cards in each row so as to meet the maximum height of the image of the spliced large screen, thereby realizing the transmission of image data by using fewer sending cards and avoiding the waste of the carrying capacity of the sending card.
Referring to fig. 3, a flow chart of an embodiment of a display device suitable for large-screen windowing according to the present invention mainly includes: a transmission card configuration module 301, an image information acquisition module 302, an image cutting module 303, and a window display module 304.
The sending card configuration module 301 is configured to obtain a first resolution and a first aspect ratio of a tiled large screen, and configure a plurality of sending cards to the tiled large screen with a maximum resolution and increasing the aspect ratio row by row according to the first resolution and the first aspect ratio.
In this embodiment, the transmitting card configuration module includes: a resolution acquisition unit, a calculation unit and a configuration unit; the resolution obtaining unit obtains the first resolution uploaded by the signal source and the first aspect ratio of the spliced large screen from a server; the calculating unit is used for calculating the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio; the configuration unit is used for configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
In this embodiment, the configuration unit includes: a first configuration subunit and a second configuration subunit; the first configuration subunit is configured to configure a plurality of sending cards to a first row of the spliced large screen according to a maximum resolution and a preset aspect ratio until the maximum width of the image is met; the second configuration subunit is configured to, when configuring the sending cards of each remaining row, increase the aspect ratio of the sending cards row by row until the maximum height of the image is satisfied.
The image information acquisition module 302 is configured to acquire a first start point coordinate of a window and a width and a height of the window; and acquiring a plurality of second starting point coordinates of the plurality of sending cards.
The image cutting module 303 is configured to calculate a plurality of image cutting sizes required for displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates, and the width and height of the window.
The window display module 304 is configured to select a corresponding sending card according to the plurality of image cutting sizes and the plurality of second start point coordinates, and transmit the image of the window to the large spliced screen, so as to display the window.
According to the resolution and the height and width of the spliced large screen, the configuration of each row of transmitting cards is adjusted in resolution and width and height ratio, so that larger limit carrying is realized by using fewer transmitting cards, and the waste of carrying capacity of the transmitting cards caused by using a traditional layout mode is avoided; in addition, according to the coordinates and width and height of the window, a corresponding transmitting card is selected to transmit image data, so that window display is realized.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A display method suitable for large screen windowing, comprising:
acquiring a first resolution and a first aspect ratio of a spliced large screen, and configuring a plurality of sending cards to the spliced large screen according to the first resolution and the first aspect ratio by increasing the aspect ratio line by line with the maximum resolution;
acquiring a first starting point coordinate of a window and the width and height of the window; obtaining a plurality of second starting point coordinates of the plurality of sending cards;
calculating to obtain a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window;
and selecting a corresponding sending card to transmit the image of the window to the spliced large screen according to the image cutting sizes and the second starting point coordinates so as to display the window.
2. The display method for large-screen windowing according to claim 1, wherein the obtaining a first resolution and a first aspect ratio of a tiled large screen configures a plurality of sending cards with a maximum resolution and increasing the aspect ratio row by row according to the first resolution and the first aspect ratio, specifically:
acquiring the first resolution uploaded by a signal source and the first aspect ratio of the spliced large screen from a server;
calculating to obtain the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio;
and configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
3. The display method for large-screen windowing according to claim 2, wherein the configuring the plurality of sending cards with the maximum resolution to meet the maximum width of the image and then increasing the aspect ratio of the sending cards row by row to meet the maximum height of the image is as follows:
configuring a first row of the spliced large screen by a plurality of sending cards according to the maximum resolution and the preset aspect ratio until the maximum width of the image is met;
while configuring the remaining shipping cards for each row, the aspect ratio of the shipping cards is increased row by row until the maximum height of the image is met.
4. The display method for large-screen windowing according to claim 1, wherein the calculating, according to the first starting point coordinates, the second starting point coordinates and the width and height of the window, obtains a plurality of image cutting sizes required for displaying the window, specifically comprises:
the image cut size, comprising: cutting width and cutting height;
calculating the scaling of the window in the corresponding sending card according to the first starting point coordinates, the second starting point coordinates and the width and height of the window;
and determining the cutting width and the cutting height of the corresponding sending card according to the scaling.
5. The display method for large-screen windowing according to any one of claims 1-4, wherein the obtaining the first starting point coordinate of the window and the width and height of the window is specifically:
wherein the window is created in a server;
and acquiring the first starting point coordinate and the width and height of the window from the server.
6. The display method for large-screen windowing according to any one of claims 1-4, wherein the obtaining the second starting point coordinates of the plurality of sending cards is specifically:
the coordinate information of the plurality of sending cards is stored in linked list data;
and acquiring the second starting point coordinates from the linked list data.
7. The display method for large-screen windowing according to any one of claims 1-4, wherein selecting a corresponding transmitting card according to the plurality of image cutting sizes and the plurality of second start point coordinates to transmit the image of the window to the spliced large screen for window display, specifically:
determining a child window carried in a corresponding sending card according to the image cutting sizes and the second starting point coordinates;
and the corresponding sending card transmits the images of the sub-windows to the spliced large screen so as to display the windows.
8. A display device adapted for large screen windowing, comprising: the system comprises a sending card configuration module, an image information acquisition module, an image cutting module and a window display module;
the sending card configuration module is used for acquiring a first resolution and a first aspect ratio of the spliced large screen, and configuring the spliced large screen by a plurality of sending cards according to the first resolution and the first aspect ratio by increasing the aspect ratio line by line with the maximum resolution;
the image information acquisition module is used for acquiring a first starting point coordinate of a window and the width and height of the window; obtaining a plurality of second starting point coordinates of the plurality of sending cards;
the image cutting module is used for calculating a plurality of image cutting sizes required by displaying the window according to the first starting point coordinates, the plurality of second starting point coordinates and the width and height of the window;
and the window display module is used for selecting a corresponding sending card to transmit the images of the window to the spliced large screen according to the image cutting sizes and the second starting point coordinates so as to display the window.
9. The display device adapted for large screen windowing as recited in claim 8, wherein the transmission card configuration module comprises: a resolution acquisition unit, a calculation unit and a configuration unit;
the resolution obtaining unit obtains the first resolution uploaded by the signal source and the first aspect ratio of the spliced large screen from a server;
the calculating unit is used for calculating the maximum width of the image of the spliced large screen and the maximum height of the image of the spliced large screen according to the first resolution and the first aspect ratio;
the configuration unit is used for configuring the spliced large screen by a plurality of sending cards with the maximum resolution so as to meet the maximum width of the image, and then increasing the aspect ratio of the sending cards row by row so as to meet the maximum height of the image.
10. The display device adapted for large screen windowing as in claim 9, wherein the configuration unit comprises: a first configuration subunit and a second configuration subunit;
the first configuration subunit is configured to configure a plurality of sending cards to a first row of the spliced large screen according to a maximum resolution and a preset aspect ratio until the maximum width of the image is met;
the second configuration subunit is configured to, when configuring the sending cards of each remaining row, increase the aspect ratio of the sending cards row by row until the maximum height of the image is satisfied.
CN202310319000.7A 2023-03-28 2023-03-28 Display method and device suitable for large-screen windowing Pending CN116343657A (en)

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