CN111435589A - Target display method and device and target display system - Google Patents
Target display method and device and target display system Download PDFInfo
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- CN111435589A CN111435589A CN201910542291.XA CN201910542291A CN111435589A CN 111435589 A CN111435589 A CN 111435589A CN 201910542291 A CN201910542291 A CN 201910542291A CN 111435589 A CN111435589 A CN 111435589A
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- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
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Abstract
The application provides a method and a device for displaying a target and a target display system, which can acquire a first numerical value corresponding to a display parameter of a display target under a set resolution through information publishing equipment, convert the first numerical value of the display parameter into a second numerical value under a protocol resolution through an upward rounding algorithm, then publish the second numerical value corresponding to the display parameter to one or more display equipment, so that the display equipment converts the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under a screen resolution of the display equipment through the downward rounding algorithm, and display the display target according to the third numerical value corresponding to the display parameter.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a method and an apparatus for displaying a target, and a target display system.
Background
The screen resolution of the display is also called pixel resolution, which is simply called resolution, and refers to the number of pixels that the display can display, for example, 1024 × 768 pixels, which means the display can display 768 rows and 1024 columns, and 786432 pixels in total, 640 × 480 pixels, which means the display can display 480 rows, 640 columns, and 307200 pixels in total.
For a scenario in which display editing is separated from actual display, for example, an information publisher edits a display target (for example, an advertisement page) to be published on an information publishing device, and then publishes the edited advertisement page to a display device such as a mobile phone, a computer, a tablet, and the like for display, since the resolution of the information publishing device is usually different from the screen resolutions of various display devices, when publishing the display target, it is often necessary to adapt the display target in the information publishing device to different display devices for display through resolution conversion.
In the related art, when the display device receives the display target, the display target adapted to the screen resolution of the display device can be obtained through hardware calculation (such as a fuzzy algorithm, etc.), but the display precision and definition can be affected through the hardware calculation, and a conversion error can be introduced by scaling of the resolution, so that the display precision is further reduced.
Disclosure of Invention
In view of this, the present application provides a method and an apparatus for target display, and a target display system, which can solve the problem of low resolution conversion precision in the prior art.
Specifically, the method is realized through the following technical scheme:
according to a first aspect of embodiments of the present application, there is provided a target display system including an information distribution apparatus and one or more display apparatuses, wherein,
the information issuing equipment is used for acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, wherein the display parameter comprises a display position and/or size of the display target, converting the first numerical value of the display parameter into a second numerical value under a protocol resolution through an upward rounding algorithm, and issuing the second numerical value corresponding to the display parameter to the one or more display equipment;
each display device of the one or more display devices is configured to convert the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at a screen resolution of the display device through a rounding-down algorithm, and display the display target according to the third numerical value corresponding to the display parameter.
As an example of the way in which the device may be used,
the information issuing equipment comprises configuration equipment and/or an information issuing server;
the acquiring of the first numerical value corresponding to the display parameter of the display target under the set resolution includes:
when the information publishing equipment is configuration equipment or an information publishing server, the information publishing equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution;
when the information issuing equipment is configuration equipment and an information issuing server, the configuration equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution, and sends the first numerical value corresponding to the display parameter to the information issuing server.
As an example of the way in which the device may be used,
a width in the protocol resolution is greater than or equal to a width in the set resolution and a width in a screen resolution of the one or more display devices, and a height in the protocol resolution is greater than or equal to a height in the set resolution and a height in a screen resolution of the one or more display devices;
the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
As an embodiment, the information distribution device converts the first value corresponding to the display parameter into the second value corresponding to the protocol resolution by using an upward rounding algorithm, and includes:
and the information issuing equipment calculates a first candidate value of the first numerical value under the protocol resolution, and selects a second candidate value with the smallest difference value with the first candidate value from integers larger than the first candidate value as a second numerical value corresponding to the display parameter when the first candidate value is not an integer.
As an embodiment, the converting, by the display device, the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at a screen resolution of the display device through a rounding-down algorithm includes:
the display device calculates a third candidate value of the second numerical value at a screen resolution of the display device, and selects a fourth candidate value having a smallest difference with the third candidate value from integers smaller than the third candidate value as a third value corresponding to the display parameter when the third candidate value is not an integer.
As an embodiment, the information issuing device is further configured to, when a fourth numerical value corresponding to a display parameter of a display target updated at a set resolution is obtained, calculate the fourth numerical value and a first variable of the first numerical value, convert the variable into a second variable at the protocol resolution by an upward rounding algorithm, update the second variable to the second numerical value corresponding to the display parameter to obtain a fifth numerical value, and issue the fifth numerical value corresponding to the display parameter to the one or more display devices.
According to one embodiment, the size of the display target in a display interface of a display device is smaller than the size of the display interface.
According to a second aspect of embodiments of the present application, there is provided a method of target display, the method comprising:
acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, wherein the display parameter comprises a display position and/or size of the display target;
converting the first value of the display parameter to a second value at the protocol resolution by an upward rounding algorithm;
and issuing the second numerical value corresponding to the display parameter to the one or more display devices.
As an embodiment, a width of the protocol resolution is greater than or equal to a width of the set resolution and a width of the screen resolution of the one or more display devices, and a height of the protocol resolution is greater than or equal to a height of the set resolution and a height of the screen resolution of the one or more display devices;
the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
As an embodiment, said converting the first value of the display parameter to the second value at the protocol resolution by a round-up algorithm comprises:
and calculating a first candidate value of the first numerical value under the protocol resolution, and selecting a second candidate value with the smallest difference value with the first candidate value from integers larger than the first candidate value as a second numerical value corresponding to the display parameter when the first candidate value is not an integer.
As an embodiment, the method further comprises:
when a fourth numerical value corresponding to the updated display parameter of the display target under the set resolution is obtained, calculating a first variable of the fourth numerical value and the first numerical value, converting the variable into a second variable under the protocol resolution through an upward rounding algorithm, updating the second variable into a second numerical value corresponding to the display parameter to obtain a fifth numerical value corresponding to the updated display parameter, and issuing the fifth numerical value to the one or more display devices.
The present application also provides a method of target display, the method comprising:
receiving a second numerical value corresponding to a display parameter of a display target issued by information issuing equipment in a protocol coordinate system, wherein the display parameter comprises a display position and/or size of the display target;
and converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution through a down rounding algorithm, and displaying the display target according to the third numerical value corresponding to the display parameter.
As an embodiment, converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at the screen resolution by a rounding-down algorithm includes:
and calculating a third candidate value of the second numerical value under the screen resolution of the display device, and selecting a fourth candidate value with the minimum difference value with the third candidate value from integers smaller than the third candidate value as a third value corresponding to the display parameter when the third candidate value is not an integer.
According to a third aspect of embodiments of the present application, there is provided an apparatus for target display, the apparatus comprising:
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, and the display parameter comprises a display position and/or size of the display target;
a conversion unit for converting the first value of the display parameter into a second value at a protocol resolution by an upward rounding algorithm;
and the issuing unit is used for issuing the second numerical value corresponding to the display parameter to the one or more display devices.
Based on the same concept, the present application also provides an apparatus for target display, the apparatus comprising:
the receiving unit is used for receiving a second numerical value corresponding to a display parameter of a display target issued by the information issuing equipment in a protocol coordinate system, wherein the display parameter comprises a display position and/or size of the display target;
and the conversion unit is used for converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution by a down rounding algorithm, and displaying the display target according to the third numerical value corresponding to the display parameter.
According to a fourth aspect of embodiments of the present application, there is provided a computer-readable storage medium having stored therein a computer program which, when executed by a processor, performs the steps of any of the methods of target display.
According to a fifth aspect of embodiments herein, there is provided a computer device comprising a memory, a processor, a communication interface, and a communication bus; the memory, the processor and the communication interface are communicated with each other through the communication bus;
the memory is used for storing a computer program;
the processor is used for executing the computer program stored in the memory, and the processor realizes the steps of any target display method when executing the computer program.
As can be seen from the foregoing embodiments, according to the present application, a first numerical value corresponding to a display parameter of a display target at a set resolution may be obtained by an information distribution device, the first numerical value of the display parameter is converted into a second numerical value at a protocol resolution by an upward rounding algorithm, and then the second numerical value corresponding to the display parameter is distributed to one or more display devices, so that the display parameters at different set resolutions may be unified into the display parameter at the protocol resolution, and a calculation error of the display parameter in the information distribution device may be reduced by a calculation manner of upward rounding. Meanwhile, the display device can convert the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution of the display device through a rounding-down algorithm, and the display target is displayed according to the third numerical value corresponding to the display parameter, so that the calculation error of the display parameter in the display device can be reduced by adopting a rounding-down calculation mode when the protocol resolution is converted into the display parameter corresponding to the screen resolution on the display device. In summary, compared with the prior art, the method and the device can uniformly convert the display parameters of the display target under the set resolution into the display parameters under the protocol resolution and issue the display parameters to different display devices, and can release the dependency on the screen resolution of the display devices when the display parameters are configured; and the conversion error of the display parameters between different resolutions is reduced by adopting an upward rounding algorithm on the information issuing equipment and adopting a downward rounding algorithm on the display equipment, so that the target display precision is improved.
Drawings
FIG. 1 is a schematic diagram of an exemplary target display system of the present application;
FIG. 2 is an exemplary target display system interaction flow diagram of the present application;
FIG. 3 is a schematic view of an exemplary configuration interface of the present application;
FIG. 4 is a schematic view of an exemplary configuration interface for magnifying a display target according to the present application;
FIG. 5 is a schematic illustration of an exemplary mobile display target configuration interface of the present application;
FIG. 6 is a flowchart of an exemplary method of target display according to the present application;
FIG. 7 is a flow chart of an embodiment of a method of an exemplary target display of the present application;
FIG. 8 is a logical block diagram of an exemplary target display device of the present application;
FIG. 9 is a logical block diagram of an exemplary alternative target display apparatus of the present application;
FIG. 10 is a block diagram of one embodiment of an exemplary computing device of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
As follows, the following embodiments are shown to explain the object display system provided in the present application.
Referring to the target display system shown in fig. 1, the system includes an information distribution device and a plurality of display devices, where the information distribution device may include a configuration device and/or an information distribution server. The information publishing device can edit a display target (such as a picture, a video and the like) to be published, wherein the edited content at least comprises display parameters related to the display configured for the display target; and then, the display parameters of the display target are issued to a plurality of display devices, such as a PC, a mobile phone or a large-screen display device. The interaction flow of the target display system is shown in fig. 2, which includes:
in this embodiment, when the information distribution device edits the display target to be distributed, the information distribution device may obtain a first numerical value corresponding to a display parameter of the display target at a set resolution, where the display parameter includes a display position and/or a size of the display target, for example, an origin coordinate (an abscissa and an ordinate) of the display target may be used as the display position of the display target, and a width and a height of the display target may be used as the size of the display target. Specifically, the information distribution apparatus may acquire a first numerical value corresponding to a display parameter of a display target at a set resolution in a configuration interface. The set resolution is a screen resolution of the display device desired by the user, and is independent of both the screen resolution of the information distribution device and the screen resolution of the display device.
A schematic configuration interface is shown in fig. 3, wherein a setting resolution (e.g., 1000 × 2334) is displayed above the configuration interface, and the setting resolution can be set by a user or by default by the system; the middle part of the configuration interface is a visual area, the upper left corner of the visual area is a coordinate system corresponding to the display parameters, also called a configuration coordinate system, which is the coordinate system under the set resolution, and the visual area also comprises a preview window for displaying targets, as shown by a window area marked by a black frame in the interface; the configuration interface further includes a configuration area for editing display parameters of the display target, for example, as shown in the right area of the interface, where the display parameters are X: 508, Y: 216, width: 800, high: 450, the display parameter may be represented in a form of a coordinate, and is used to represent a display position and a size of the display target in the display interface corresponding to the set resolution.
The information publishing device can comprise a configuration device and/or an information publishing server; when the information issuing equipment is configuration equipment or an information issuing server, the information issuing equipment (the configuration equipment or the information issuing server) acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution; when the information distribution device is a combination of a configuration device and an information distribution server, the configuration device may obtain a first value corresponding to a display parameter of a display target input by a user at a set resolution, and then the configuration device sends the first value corresponding to the display parameter to the information distribution server, so that the information distribution server obtains the first value corresponding to the display parameter.
In this embodiment, after the information distribution device obtains the display parameter of the display target, the first value of the display parameter may be converted into the second value at the protocol resolution by an upward rounding algorithm.
As an embodiment, the protocol resolution is a resolution preset in the present application, wherein a width of the protocol resolution is greater than or equal to a width of the set resolution and a width of the screen resolution of the one or more display devices, and a height of the protocol resolution is greater than or equal to a height of the set resolution and a height of the screen resolution of the one or more display devices; therefore, when the first numerical value of the display parameter under the set resolution is converted into the second numerical value under the protocol resolution, the situation of coordinate overlapping can be avoided. For example, when the display device includes two resolutions of horizontal screen 1920 × 1080 and vertical screen 1080 × 1920, the protocol resolution should be at least 1920 × 1920. The total number of pixels of the protocol resolution may be a common multiple of multiple prime numbers, so that the total number of pixels of the protocol resolution may be divided by more positive integers better, for example, 1920 may be divided by 2, 3, 4, 5, 6, 8, or 1920 may be a common multiple of these prime numbers (e.g., 2, 3, 4, 5, 6, 8), and the total number of pixels of the protocol resolution may be divided by more integers, for example, setting the protocol resolution to 19200 × 19200 may include multiple prime numbers, and then the division may be less when performing the coordinate transformation calculation. According to the method and the device, the width and the height which are larger than the set resolution and the screen resolutions of various display devices are selected for the pixel sum of the protocol resolution, and the pixel sum of the protocol resolution can be divided as much as possible by the common multiple of a plurality of prime numbers, so that errors caused by incapability of dividing the pixel sum can be reduced in subsequent calculation.
In one example, a coordinate system corresponding to the set resolution of the information distribution apparatus or a coordinate system corresponding to the screen resolution of the display apparatus may be expressed using a coordinate system corresponding to the protocol resolution. Assuming that the protocol resolution is set to 19200 × 19200, the corresponding coordinate systems are X (0-19200) and Y (0-19200), for example, for a display device with a screen resolution of 1920 × 1080, the coordinate systems X '(0-1920) and Y' (0-1080), the upper left corner of the screen of the display device may be the origin of the coordinate system with the protocol resolution being first, and is marked as (0,0), and the lower right corner is marked as (19200), each pixel in the abscissa X '(0-1920) of the screen resolution represents a pixel in 19200/1920 ═ 10 protocol resolutions, and each pixel in the ordinate Y' (0-1080) represents a pixel in 19200/1080 ═ 18 protocol resolutions, so that each pixel in the screen resolution may be converted into a corresponding pixel in the protocol resolution according to the above relationship.
As an embodiment, after obtaining the first value of the display parameter, the information distribution device may convert the first value corresponding to the display parameter into a second value corresponding to the protocol resolution by using an upward rounding algorithm, where specifically, the information distribution device calculates a first candidate value of the first value at the protocol resolution, and selects, when the first candidate value is not an integer, a second candidate value having a smallest difference with the first candidate value from integers larger than the first candidate value as the second value corresponding to the display parameter.
For example, assume that when the resolution is set to 1000 × 2334, the first value corresponding to the acquired display parameter of the display target is X: 508, Y: 216, width: 800, high: 450, based on 19200 × 19200 of the protocol resolution, the method for calculating the second value corresponding to the display parameter by the rounding-up ceil function of the display parameter specifically includes:
ceil(X)＝ceil(19200*508/1000)＝ceil(9753.6)＝9754；
ceil(Y)＝ceil(19200*216/2334)＝ceil(1776.8)＝1777；
ceil (19200 × 800/1000), ceil (15360), 15360;
ceil (19200 × 450/2334), ceil (3701.7), 3702;
after the rounding-up calculation, the second values of the display parameters corresponding to the first values (X: 508, Y: 216, width: 800, height: 450) of the display parameters obtained are (X: 9754, Y: 1777, width: 15360, height: 3702), wherein the information distribution apparatus calculates first candidate values of the first values at the protocol resolution as (X: 9753.6, Y: 1776.8, width: 15360, height: 3701.7), determines whether the candidate values are integers, if the candidate values are integers, selects a second candidate value having a smallest difference with the first candidate value from the integers larger than the first candidate value as the second value corresponding to the display parameters, for example, X ═ 9753.6, if the candidate values are not integers, selects 9754 having a smallest difference with the first candidate value as the second value corresponding to X; 1776.8, if Y is not an integer, then 1777, which is greater than this value and has the smallest difference, is selected as the second value corresponding to Y; 15360 wide, which is an integer, then 15360 wide is selected as the second value corresponding to the wide; 3701.7, not an integer, then 3702, which is greater than this value and has the smallest difference with it, is selected as the second value corresponding to high.
In this embodiment, the second value corresponding to the calculated display parameter may be distributed to one or more display devices.
In this embodiment, for any one of the one or more display devices, when the display device obtains a second numerical value corresponding to a display parameter at a protocol resolution of a display target issued by the information issuing device, the second numerical value corresponding to the display parameter may be converted into a third numerical value corresponding to the display parameter at a screen resolution of the display device through a round-down algorithm, and the display target is displayed according to the third numerical value corresponding to the display parameter, where the display target may be issued by the information issuing device together with the display parameter or may be issued by the information issuing device alone.
As an embodiment, the converting, by the display device, the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at the screen resolution of the display device through a rounding-down algorithm includes calculating, by the display device, a third candidate value of the second numerical value at the screen resolution of the display device, and when the third candidate value is not an integer, selecting, as the third value corresponding to the display parameter, a fourth candidate value having a smallest difference with the third candidate value from integers smaller than the third candidate value.
For example, after the second value of the display parameter corresponding to the first value (X: 508, Y: 216, width: 800, height: 450) of the obtained display parameter is (X: 9754, Y: 1777, width: 15360, height: 3702), assuming that the screen resolution of the display device is 1000 × 2334, the method of calculating the third value of the display parameter by rounding down the floor function is specifically:
floor(X)＝floor(1000*9754/19200)＝floor(508.02)＝508；
floor(Y)＝floor(2334*1777/19200)＝floor(216.01)＝216；
floor (wide) ═ floor (1000 × 15360/19200) ═ floor (800) ═ 800;
floor (2334 × 3702/19200) ═ floor (450.2) ═ 450;
then after the round-down calculation, the third value of the display parameter obtained when the screen resolution of the display device is 1000 × 2334 is (X: 508, Y: 216, width: 800, height: 450), wherein the information distribution device calculates third candidate values of the second value at the protocol resolution, which are (X: 508.02, Y: 216.01, width: 800, height: 450.2), respectively, and then determines whether the candidate values are integers, if so, the candidate values are the third value, if not, the fourth candidate value having the smallest difference with the second candidate value is selected from the integers smaller than the first candidate value as the third value corresponding to the display parameter, for example, X ═ 508.02, if not, the fourth candidate value having the smallest difference with the second candidate value is selected as the third value corresponding to X; 216.01, if not an integer, then 216, which is smaller than this value and has the smallest difference, is selected as the third value corresponding to Y; if the width is 800, which is an integer, 800 is selected as a third value corresponding to the width; if 450.2 is high and not an integer, then 450 which is smaller than this value and has the smallest difference is selected as the third value corresponding to high.
Since the first numerical value of the display parameter is (X: 508, Y: 216, width: 800, height: 450) when the set resolution is 1000 × 2334, it can be seen that under the condition that the set resolution is the same as the screen resolution of the display device, after the first numerical value of the display parameter is converted to the second numerical value and the second numerical value of the display parameter is converted to the third numerical value and the coordinate conversion is performed by the floor algorithm, the numerical values before and after the conversion are consistent under the same resolution of the display parameter, so that the application can be proved that the error-free conversion can be realized by performing the floor method when the coordinate system corresponding to the small resolution is converted to the coordinate system corresponding to the large resolution, and then performing the floor method when the coordinate system corresponding to the large resolution is converted to the coordinate system corresponding to the small resolution.
In the conventional process of converting display parameters based on different resolutions, more display errors are introduced, for example, an error in converting from a set resolution to a protocol resolution and an error in converting from the protocol resolution to a screen resolution. For the same display parameter, after multiple conversions, errors are superposed, errors of a plurality of pixel points are accumulated, and even errors exist when the information issuing equipment acquires the issued display parameter again, that is, errors are reflected when the relevant display parameter is configured in the configuration interface and the display parameter is read again, and the errors are unacceptable in the ultra-high-definition display screen. Such errors cannot be eliminated only by rounding or direct rounding (decimal removal), but the present application can realize error-free conversion of display parameters between the set resolution, the protocol resolution and the screen resolution by rounding up when converting from the small resolution to the display parameters at the large resolution and rounding down when converting from the large resolution to the display parameters at the small resolution.
In this embodiment, after the display device obtains the third numerical value corresponding to the display parameter at the screen resolution, the display target may be displayed according to the third numerical value corresponding to the display parameter.
Because the existing information issuing equipment directly issues the display parameters under the set resolution, the display equipment converts the display parameters of the display target into the display parameters suitable for the screen resolution of the display equipment through hardware calculation, but the display precision and definition can be influenced through the hardware calculation, and the conversion error can be introduced by the scaling of the resolution, so that the display precision is further reduced. If the display parameters under the adaptive resolution are respectively configured for the resolution of each display device, the workload is very huge, and the problem of errors caused by scaling is not considered when the display parameters are scaled according to the screen resolution, so that a certain error exists in the conversion result of the resolution, and the display accuracy is poor.
Compared with the prior art, the method and the device can avoid the dependence on the screen resolution of the display equipment, can uniformly convert and issue the display parameters under the set resolution based on the protocol resolution so that the display parameters can be used by the display equipment with any resolution, and introduce an algorithm for eliminating the error of rounding up and then rounding down in the conversion process of the display parameters, so that the conversion error can be eliminated, and the display precision is improved.
According to one embodiment, the size of the display target in a display interface of a display device is smaller than the size of the display interface. Because the algorithm of rounding up and rounding down is introduced in the method, the display error generated by the display target during resolution conversion is reduced, if the display size of the display target is set to be the same as the size of the display interface, the display error can not be generated in the resolution process of the display equipment, and therefore the method is not needed to eliminate the error, and when the size of the display target in the display interface of the display equipment is smaller than the size of the display interface, the method for reducing the error is more meaningful.
It should be noted that, when the information distribution apparatus in this embodiment has a display function, the information distribution apparatus may also be used as a display apparatus to display a display target. For example, when a user configures a first numerical value of a display parameter of a display target at a set resolution in a configuration interface of the information distribution apparatus shown in fig. 3, since the information distribution apparatus itself also has a display screen, a second numerical value at a protocol resolution may be obtained by rounding up the first numerical value of the display parameter, and a third numerical value at a screen resolution of the information distribution apparatus may be obtained by rounding down the second numerical value, so that the display target is displayed according to the screen resolution in the configuration interface of the information distribution apparatus, and the user may preview the display target through the configuration interface.
As an embodiment, when the information distribution device obtains a fourth value corresponding to the display parameter after the display target is updated at the set resolution, the information distribution device may further calculate the fourth value and a first variable of the first value, convert the variable into a second variable at the protocol resolution by an upward rounding algorithm, update the second variable to the second value corresponding to the display parameter to obtain a fifth value, and distribute the fifth value corresponding to the display parameter to the one or more display devices.
It should be noted that, after the second numerical value corresponding to the display parameter of the display target under the set resolution is issued to the display device, the user may further update the display parameter of the display target, for example, zoom or move the display target, and then the information issuing device may obtain the fourth numerical value corresponding to the updated display parameter, and the following specifically describes the process of updating the display parameter based on the updated configuration interfaces of fig. 4 and 5, respectively.
Referring to fig. 4, if the user zooms in the display target at the display position without changing the resolution, the first numerical value of the display parameter at the resolution is set to (X: 508, Y: 216, width: 800, height: 450), the fourth numerical value of the zoomed in display parameter is set to (X: 508, Y: 216, width: 900, height: 550), and the display position of the display target in the configuration interface in fig. 4 is not changed, and the size of the display target is changed accordingly. After the information distribution device obtains the fourth value of the updated display parameter, the information distribution device may first calculate the fourth value and the first variable of the first value, as follows:
△X＝508-508＝0；
△Y＝216-216＝0；
△ wide 900-;
△ high 550-;
and then converting the first variable into a second variable under the protocol resolution by an upward rounding algorithm, as follows:
ceil(△X)＝ceil(19200*0/1000)＝0；
ceil(△Y)＝ceil(19200*0/2334)＝0；
ceil (△ wide) ceil (19200 × 100/1000) ceil (1920) 1920;
ceil (△ high) ceil (19200 × 100/2334) ceil (822.6) 823;
updating the second variable to a second numerical value corresponding to the display parameter to obtain a fifth numerical value as follows:
X’＝9763+0＝9763；
Y’＝1777+0＝1777；
15360+1920 ═ 17280;
high 3702+823 is 4525;
and then updating the calculated second variable to second numerical values (X: 9763, Y: 1777, width: 15360 and height: 3702) corresponding to the display parameters to obtain a fifth numerical value (X ': 9763, Y': 1777, width ': 17280 and height': 4525) of the display parameters, so that the updated fifth numerical value of the display parameters is issued to the display device, and the display device performs rounding-down calculation according to the updated fifth numerical value of the display parameters on the basis of the screen resolution, and then performs display on the basis of the calculation result.
Referring to fig. 5, in the case that the resolution is set to be unchanged, if the user moves the display object to a position with the size being unchanged, the first numerical value of the display parameter under the resolution is set to be (X: 508, Y: 216, width: 800, height: 450), the fourth numerical value of the display parameter after being enlarged is set to be (X: 608, Y: 316, width: 800, height: 450), the display size of the display object in the configuration interface in fig. 5 is unchanged, and the display position of the display object is changed accordingly. After the information distribution device obtains the fourth value of the updated display parameter, the information distribution device may first calculate the fourth value and the first variable of the first value, as follows:
△X＝608-508＝100；
△Y＝316-216＝100；
△ wide 800-;
△ high 450-;
and then converting the first variable into a second variable under the protocol resolution by an upward rounding algorithm, as follows:
ceil(△X)＝ceil(19200*100/1000)＝ceil(1920)＝1920；
ceil(△Y)＝ceil(19200*100/2334)＝ceil(822.6)＝823；
ceil (△ wide) ceil (19200 × 0/1000) 0;
ceil (△ high) ceil (19200 × 0/2334) 0;
updating the second variable to a second numerical value corresponding to the display parameter to obtain a fifth numerical value as follows:
X’＝9763+1920＝11683；
Y’＝1777+823＝2600；
15360+0 for 15360;
high 3702+0 3702;
the calculated second variable is updated to the second value (X: 9763, Y: 1777, width: 15360, height: 3702) of the display parameter, and the fifth value of the display parameter is (X: 11683, Y: 2600, width: 17280, height: 4525), so that the updated fifth value of the display parameter is issued to the display device, so that the display device performs a rounding-down calculation based on the screen resolution according to the updated fifth value of the display parameter, and then performs a display based on the calculation result.
Because the information issuing equipment of prior art directly shows according to the display parameter after the update, can lead to when the display parameter is fine-tuning, because calculation error leads to neglecting tiny variable, thereby lead to the problem that the edge of demonstration target appears the black border, and this application can be based on the first variable conversion under the protocol resolution ratio of before and after the display parameter updates the second variable under the protocol resolution ratio, the second variable update of rethread protocol resolution ratio is released for the display parameter of display equipment, thereby avoid tiny coordinate variable to ignore, consequently, can effectively avoid appearing the problem of black border.
Corresponding to the embodiments of the target display system, the application also provides embodiments of a method for target display.
Referring to fig. 6, it is a flowchart of an exemplary method for target display, which is applied to an information distribution apparatus, and includes:
601, acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, wherein the display parameter comprises a display position and/or size of the display target;
Wherein the second value of the display parameter is used to participate in the calculation of a third value of the display target at the screen resolution of the display device. Specifically, the second value corresponding to the display parameter is issued to the one or more display devices, so that each display device converts the second value corresponding to the display parameter into a third value corresponding to the display parameter at the screen resolution of the display device through a round-down algorithm, and displays the display target according to the third value corresponding to the display parameter.
As one embodiment, the information publishing device comprises a configuration device and/or an information publishing server;
the acquiring of the first numerical value corresponding to the display parameter of the display target under the set resolution includes:
when the information publishing equipment is configuration equipment or an information publishing server, the information publishing equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution;
when the information issuing equipment is configuration equipment and an information issuing server, the configuration equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution, and sends the first numerical value corresponding to the display parameter to the information issuing server.
As an embodiment, a width of the protocol resolution is greater than or equal to a width of the set resolution and a width of the screen resolution of the one or more display devices, and a height of the protocol resolution is greater than or equal to a height of the set resolution and a height of the screen resolution of the one or more display devices; the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
As an embodiment, said converting the first value of the display parameter to the second value at the protocol resolution by a round-up algorithm comprises:
and calculating a first candidate value of the first numerical value under the protocol resolution, and selecting a second candidate value with the smallest difference value with the first candidate value from integers larger than the first candidate value as a second numerical value corresponding to the display parameter when the first candidate value is not an integer.
As an embodiment, the method further comprises:
when a fourth numerical value corresponding to the updated display parameter of the display target under the set resolution is obtained, calculating a first variable of the fourth numerical value and the first numerical value, converting the variable into a second variable under the protocol resolution through an upward rounding algorithm, updating the second variable into a second numerical value corresponding to the display parameter to obtain a fifth numerical value corresponding to the updated display parameter, and issuing the fifth numerical value to the one or more display devices.
Based on the same concept, please refer to fig. 7, which is a processing flow chart of another exemplary object display method applied to a display device, the method includes:
the second numerical value corresponding to the display parameter is obtained by converting the first numerical value corresponding to the display parameter under the set resolution through an upward rounding algorithm based on the protocol resolution.
As an embodiment, converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at the screen resolution by a rounding-down algorithm includes:
and calculating a third candidate value of the second numerical value under the screen resolution of the display device, and selecting a fourth candidate value with the minimum difference value with the third candidate value from integers smaller than the third candidate value as a third value corresponding to the display parameter when the third candidate value is not an integer.
According to one embodiment, the size of the display target in a display interface of a display device is smaller than the size of the display interface.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the embodiment of the method of target display, since it is basically similar to the system embodiment, the description is simple, and the relevant points can be referred to the partial description of the system embodiment.
Corresponding to the embodiment of the method for target display, the application also provides a device embodiment for target display.
Referring to fig. 8, it is a logical structure diagram of an exemplary apparatus for target display, which is applied to an information distribution device, where the apparatus 80 includes:
an obtaining unit 801, configured to obtain a first numerical value corresponding to a display parameter of a display target at a set resolution, where the display parameter includes a display position and/or a size of the display target;
a conversion unit 802, configured to convert the first value of the display parameter into a second value at a protocol resolution by using an upward rounding algorithm;
a publishing unit 803, configured to publish the second value corresponding to the display parameter to the one or more display devices.
Wherein the second value of the display parameter is used to participate in the calculation of a third value of the display target at the screen resolution of the display device. Specifically, the second value corresponding to the display parameter is issued to the one or more display devices, so that each display device converts the second value corresponding to the display parameter into a third value corresponding to the display parameter at the screen resolution of the display device through a round-down algorithm, and displays the display target according to the third value corresponding to the display parameter.
As one embodiment, the information publishing device comprises a configuration device and/or an information publishing server;
the obtaining unit 801 is specifically configured to, when the information distribution device is a configuration device or an information distribution server, obtain, by the information distribution device, a first numerical value corresponding to a display parameter of a display target input by a user at a set resolution; when the information issuing equipment is configuration equipment and an information issuing server, the configuration equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution, and sends the first numerical value corresponding to the display parameter to the information issuing server.
As an embodiment, a width of the protocol resolution is greater than or equal to a width of the set resolution and a width of the screen resolution of the one or more display devices, and a height of the protocol resolution is greater than or equal to a height of the set resolution and a height of the screen resolution of the one or more display devices;
the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
As an embodiment, the converting unit 802 is specifically configured to calculate a first candidate value of the first numerical value at the protocol resolution, and select, when the first candidate value is not an integer, a second candidate value with a smallest difference from the first candidate value as the second numerical value corresponding to the display parameter from integers larger than the first candidate value.
As an embodiment, the apparatus 80 further comprises:
the updating unit 804 is configured to, when a fourth numerical value corresponding to the updated display parameter of the display target at the set resolution is obtained, calculate a first variable of the fourth numerical value and the first numerical value, convert the variable into a second variable at the protocol resolution by using an upward rounding algorithm, update the second variable to the second numerical value corresponding to the display parameter to obtain a fifth numerical value corresponding to the updated display parameter, and issue the fifth numerical value to the one or more display devices.
Referring to fig. 9, it is a logical structure diagram of another exemplary apparatus for target display, which is applied to a display device, in the present application, where the apparatus 90 includes:
a receiving unit 901, configured to receive a second numerical value corresponding to a display parameter of a display target issued by an information issuing device in a protocol coordinate system, where the display parameter includes a display position and/or a size of the display target;
the second numerical value corresponding to the display parameter is obtained by converting the first numerical value corresponding to the display parameter under the set resolution through an upward rounding algorithm based on the protocol resolution.
A converting unit 902, configured to convert, by a rounding-down algorithm, the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at a screen resolution, and display the display target according to the third numerical value corresponding to the display parameter.
As an embodiment, the converting unit 902 is specifically configured to calculate a third candidate value of the second numerical value at a screen resolution of the display device, and select a fourth candidate value with a smallest difference from among integers smaller than the third candidate value as the third value corresponding to the display parameter when the third candidate value is not an integer.
According to one embodiment, the size of the display target in a display interface of a display device is smaller than the size of the display interface.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
In correspondence with embodiments of the method of object display described above, the present application also provides embodiments of a computer device for performing the method of object display described above.
Referring to fig. 10, a computer device, as an embodiment, includes a processor 101, a communication interface 102, a memory 103, and a communication bus 104;
the processor 101, the communication interface 102 and the memory 103 are in communication with each other through the communication bus 104;
the memory 103 is used for storing computer programs;
the processor 101 is configured to execute the computer program stored in the memory 83, and the processor 101 implements the steps of any one of the target display methods when executing the computer program.
In correspondence with embodiments of the method of object display described above, the present application also provides embodiments of a computer-readable storage medium for performing the method of object display described above.
As an embodiment, the present application further comprises a computer readable storage medium having stored therein a computer program, which when executed by a processor, performs the steps of any of the methods of target display.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, embodiments of the computer device and the computer-readable storage medium are substantially similar to the system embodiments, so that the description is simple, and reference may be made to part of the description of the system embodiments for relevant points.
To sum up, the display parameter calculation method and the display parameter calculation device can acquire the first numerical value corresponding to the display parameter of the display target under the set resolution through the information distribution device, convert the first numerical value of the display parameter into the second numerical value under the protocol resolution through the rounding-up algorithm, and then distribute the second numerical value corresponding to the display parameter to the one or more display devices, so that the display parameter of different set resolutions can be unified into the display parameter under the protocol resolution, and the display parameter calculation error in the information distribution device can be reduced through the rounding-up calculation mode. Meanwhile, the display device can convert the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution of the display device through a rounding-down algorithm, and the display target is displayed according to the third numerical value corresponding to the display parameter, so that the calculation error of the display parameter in the display device can be reduced by adopting a rounding-down calculation mode when the protocol resolution is converted into the display parameter corresponding to the screen resolution on the display device. In summary, compared with the prior art, the method and the device can uniformly convert the display parameters of the display target under the set resolution into the display parameters under the protocol resolution and issue the display parameters to different display devices, and can release the dependency on the screen resolution of the display devices when the display parameters are configured; and the conversion error of the display parameters between different resolutions is reduced by adopting an upward rounding algorithm on the information issuing equipment and adopting a downward rounding algorithm on the display equipment, so that the target display precision is improved.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (15)
1. A target display system comprising an information distribution device and one or more display devices, wherein,
the information issuing equipment is used for acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, wherein the display parameter comprises a display position and/or size of the display target, converting the first numerical value of the display parameter into a second numerical value under a protocol resolution through an upward rounding algorithm, and issuing the second numerical value corresponding to the display parameter to the one or more display equipment;
each display device of the one or more display devices is configured to convert the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter at a screen resolution of the display device through a rounding-down algorithm, and display the display target according to the third numerical value corresponding to the display parameter.
2. The system of claim 1,
the information issuing equipment comprises configuration equipment and/or an information issuing server;
the acquiring of the first numerical value corresponding to the display parameter of the display target under the set resolution includes:
when the information publishing equipment is configuration equipment or an information publishing server, the information publishing equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution;
when the information issuing equipment is configuration equipment and an information issuing server, the configuration equipment acquires a first numerical value corresponding to a display parameter of a display target input by a user under a set resolution, and sends the first numerical value corresponding to the display parameter to the information issuing server.
3. The system of claim 1,
a width in the protocol resolution is greater than or equal to a width in the set resolution and a width in a screen resolution of the one or more display devices, and a height in the protocol resolution is greater than or equal to a height in the set resolution and a height in a screen resolution of the one or more display devices;
the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
4. The system according to claim 1, wherein the information distribution device converts the first value corresponding to the display parameter into the second value corresponding to the protocol resolution by using an upward rounding algorithm, and comprises:
and the information issuing equipment calculates a first candidate value of the first numerical value under the protocol resolution, and selects a second candidate value with the smallest difference value with the first candidate value from integers larger than the first candidate value as a second numerical value corresponding to the display parameter when the first candidate value is not an integer.
5. The system of claim 1, wherein the display device converts the second value corresponding to the display parameter to a third value corresponding to the display parameter at a screen resolution of the display device via a round-down algorithm, comprising:
the display device calculates a third candidate value of the second numerical value at a screen resolution of the display device, and selects a fourth candidate value having a smallest difference with the third candidate value from integers smaller than the third candidate value as a third value corresponding to the display parameter when the third candidate value is not an integer.
6. The system of claim 1,
the information issuing equipment is further configured to, when a fourth numerical value corresponding to the display parameter of the updated display target at the set resolution is obtained, calculate a first variable of the fourth numerical value and the first numerical value, convert the variable into a second variable at the protocol resolution through an upward rounding algorithm, update the second variable to the second numerical value corresponding to the display parameter to obtain a fifth numerical value, and issue the fifth numerical value corresponding to the display parameter to the one or more display devices.
7. The system of claim 1,
the size of the display target in the display interface of the display device is smaller than that of the display interface.
8. A method of object display, the method comprising:
acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, wherein the display parameter comprises a display position and/or size of the display target;
converting the first value of the display parameter to a second value at the protocol resolution by an upward rounding algorithm;
and issuing the second numerical value corresponding to the display parameter to the one or more display devices.
9. The method of claim 8,
a width in the protocol resolution is greater than or equal to a width in the set resolution and a width in a screen resolution of the one or more display devices, and a height in the protocol resolution is greater than or equal to a height in the set resolution and a height in a screen resolution of the one or more display devices;
the total number of pixels of the protocol resolution is a common multiple of the plurality of prime numbers.
10. The method of claim 8, wherein converting the first value of the display parameter to the second value at the protocol resolution by a round-up algorithm comprises:
and calculating a first candidate value of the first numerical value under the protocol resolution, and selecting a second candidate value with the smallest difference value with the first candidate value from integers larger than the first candidate value as a second numerical value corresponding to the display parameter when the first candidate value is not an integer.
11. The method of claim 8, further comprising:
when a fourth numerical value corresponding to the updated display parameter of the display target under the set resolution is obtained, calculating a first variable of the fourth numerical value and the first numerical value, converting the variable into a second variable under the protocol resolution through an upward rounding algorithm, updating the second variable into a second numerical value corresponding to the display parameter to obtain a fifth numerical value corresponding to the updated display parameter, and issuing the fifth numerical value to the one or more display devices.
12. A method of object display, the method comprising:
receiving a second numerical value corresponding to a display parameter of a display target in a protocol coordinate system, wherein the display parameter comprises a display position and/or size of the display target;
and converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution through a down rounding algorithm, and displaying the display target according to the third numerical value corresponding to the display parameter.
13. The method of claim 12, wherein converting the second value corresponding to the display parameter to a third value corresponding to the display parameter at the screen resolution by a round-down algorithm comprises:
and calculating a third candidate value of the second numerical value under the screen resolution of the display device, and selecting a fourth candidate value with the minimum difference value with the third candidate value from integers smaller than the third candidate value as a third value corresponding to the display parameter when the third candidate value is not an integer.
14. An apparatus for object display, the apparatus comprising:
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a first numerical value corresponding to a display parameter of a display target under a set resolution, and the display parameter comprises a display position and/or size of the display target;
a conversion unit for converting the first value of the display parameter into a second value at a protocol resolution by an upward rounding algorithm;
and the issuing unit is used for issuing the second numerical value corresponding to the display parameter to the one or more display devices.
15. An apparatus for object display, the apparatus comprising:
the receiving unit is used for receiving a second numerical value corresponding to a display parameter of a display target in a protocol coordinate system, wherein the display parameter comprises a display position and/or size of the display target;
and the conversion unit is used for converting the second numerical value corresponding to the display parameter into a third numerical value corresponding to the display parameter under the screen resolution by a down rounding algorithm, and displaying the display target according to the third numerical value corresponding to the display parameter.
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