CN113900568A - Picture rotating method, electronic device and storage medium thereof - Google Patents
Picture rotating method, electronic device and storage medium thereof Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
According to the picture rotating method, the electronic device and the storage medium, a current picture is displayed in a picture display area of a user interface, and the picture display area is rectangular; detecting user operation, and acquiring deflection degrees and rotation degrees, wherein the deflection degrees and the rotation degrees are both composed of numerical values and signs, the numerical values are integral multiples of 90 degrees, and the signs are determined by adopting a method that the degrees rotating towards the clockwise direction are positive and the degrees rotating towards the anticlockwise direction are negative; adding the deflection degree and the rotation degree to obtain a final deflection value; according to the final deflection value, the size and the angle of the picture to be drawn after the current picture is deflected are stored in a four-dimensional vector matrix; and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix. By the picture rotating method, the picture angle is adjusted under the condition that hardware equipment is not adjusted, so that the risk of damage caused by adjusting the hardware equipment is reduced, and the picture adjusting efficiency is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic information, in particular to a picture rotating method, electronic equipment and a storage medium.
Background
Currently, live broadcast activities are becoming more and more common in people's daily lives. But in current live broadcast platform, the user is when broadcasting directly, and all pictures can only fix a direction, if picture or picture abnormal angle has appeared at live broadcast in-process, lead to influencing viewer's impression, at this moment the user can't carry out angle adjustment to the content of picture, can only select to adjust live broadcast's equipment, and then make the angle of live broadcast picture become the angle that the user needs, just so lead to inconvenient influence live broadcast efficiency of user's adjustment, also can appear the risk scheduling problem that damages equipment in the adjustment process.
Disclosure of Invention
In view of the above, embodiments of the present disclosure provide a method for rotating a screen and an electronic device to at least partially solve the above problem.
According to a first aspect of embodiments of the present application, there is provided a picture rotation method, including:
the method comprises the steps that a current picture is displayed in a picture display area of a user interface, and the shape of the picture display area is rectangular; (ii) a
Detecting user operation, and acquiring deflection degrees and rotation degrees, wherein the deflection degrees and the rotation degrees are both composed of numerical values and signs, the numerical values are integral multiples of 90 degrees, and the signs are determined by adopting a method that the degrees rotating towards the clockwise direction are positive and the degrees rotating towards the anticlockwise direction are negative;
adding the deflection degree and the rotation degree to obtain a final deflection value;
according to the final deflection value, the size and the angle of the picture to be drawn after the current picture is deflected are stored in a four-dimensional vector matrix;
and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix.
Optionally, the user interface further comprises a management menu area; detecting user operations including detecting user operations of a user in a screen display area or a management menu area.
Optionally, the detecting the user operation includes detecting a user operation on a touch panel corresponding to the screen display area or the management menu area by the user.
Optionally, detecting a user operation, and acquiring a deflection degree and a rotation degree, including detecting the user operation; acquiring the deflection degree of the current picture according to the user operation and displaying a menu bar, wherein the menu bar is used for providing options of the rotation degree; and acquiring the rotation degree in response to the selection operation of the user.
Optionally, the options of the rotation degree provided by the menu bar include clockwise rotation by 90 degrees, counterclockwise rotation by 90 degrees, rotation by 180 degrees, and mirroring; and responding to the selection operation of the user on the menu bar, and acquiring the rotation degree in the menu bar corresponding to the selection operation.
According to a second aspect of embodiments of the present application, there is provided an electronic apparatus, including:
the interface display module is used for displaying the current picture and the rotated picture;
the detection module is used for detecting user operation;
the acquisition module is used for acquiring the deflection degree of the current picture and the rotation degree of the current picture as the picture required by a user;
the processing module is used for adding the deflection degree and the rotation degree to obtain a final deflection value, and storing the size and the angle of a picture to be drawn after the current picture is deflected into a four-dimensional vector matrix according to the final deflection value;
and the output module is used for drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix.
Optionally, the obtaining module is further configured to obtain a deflection degree of the current picture according to the user operation and display a menu bar, where the menu bar is used to provide an option of a rotation degree; and responding to the selection operation of the user, and acquiring the rotation degree.
Optionally, the interface display module includes a screen display area and a management menu area, and the detecting the user operation includes detecting a user operation of a user in the screen display area or the management menu area.
According to a third aspect of embodiments of the present application, there is provided a computer storage medium having stored thereon a computer program which, when executed by a processor, implements the picture rotation method as claimed in any one of claims 1 to 5.
According to a fourth aspect of embodiments of the present application, there is provided a computer program product comprising computer instructions for instructing a computing device to perform operations corresponding to the picture rotation method according to any one of claims 1 to 5.
According to the picture rotating method, the electronic device and the storage medium, a current picture is displayed in a picture display area of a user interface, and the picture display area is rectangular; detecting user operation, and acquiring deflection degrees and rotation degrees of a current picture, wherein the deflection degrees and the rotation degrees are both composed of numerical values and signs, the numerical values are integral multiples of 90 degrees, and the signs are determined by adopting a method that the degrees rotating towards the clockwise direction are positive and the degrees rotating towards the anticlockwise direction are negative; adding the deflection degree and the rotation degree to obtain a final deflection value; according to the final deflection value, the size and the angle of the picture to be drawn after the current picture is deflected are stored in a four-dimensional vector matrix; and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix. By the picture rotating method, the picture angle is adjusted under the condition that hardware equipment is not adjusted, so that the risk of damage caused by adjusting the hardware equipment is reduced, and the picture adjusting efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a flowchart illustrating an embodiment of a frame rotation method according to the present application
FIG. 2 is a block diagram of an electronic device according to the present application;
fig. 3 is a schematic diagram of a user interface of an electronic device according to the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
The following further describes specific implementations of embodiments of the present application with reference to the drawings of the embodiments of the present application.
The first embodiment,
An embodiment of the present application provides a picture rotation method, referring to fig. 1, the picture rotation method includes:
and S101, displaying the current picture in a picture display area of the user interface.
Specifically, the shape of the picture display area is rectangular, the deflection degree of the current picture is determined according to the current picture displayed by the user interface, and the rotation degree of the current picture to be the picture required by the user is determined based on the deflection degree of the current picture. The deflection degree of the current picture, which is clockwise or counterclockwise deflected on the basis of the normal picture, can be determined according to the current picture displayed on the user interface, for example, the deflection degree of the current picture is 90 degrees clockwise deflected, and when the current picture needs to be rotated to the normal picture, the rotation degree of the current picture, which is required by the user to be rotated to the picture needed by the user, can be determined to be 90 degrees counterclockwise rotated according to the deflection degree of the current picture.
S102, detecting user operation, and acquiring the deflection degree and the rotation degree of the current picture.
It should be noted that both the deflection degree and the rotation degree are composed of a number and a symbol, the number is an integer multiple of 90 degrees, for example, the number of the deflection degree and the rotation degree may be 90 degrees, 180 degrees or 270 degrees, and the symbol is determined by: the degree of clockwise rotation is positive, and the degree of counterclockwise rotation is negative, for example, the degree of clockwise rotation is 90 degrees, that is, the degree of clockwise rotation is 90 degrees, and the degree of counterclockwise rotation is 90 degrees. I.e. the degree of rotation is minus 90 degrees, which can be expressed as-90 degrees.
Optionally, the user interface may further include a management menu area, the image display area may display a current image and a rotated image, and the management menu area may display options that can be operated by a user, for example, when a plurality of cameras capture an image, a user may select different cameras to obtain images captured by different cameras, and the user operation in the image display area or the management menu area is detected, so that the user operation may be performed on the image, and the user operation may be more convenient and the operation form may be more diversified. The user-operated options are, for example: right-clicking on the screen display area using a mouse, or right-clicking on a camera option selected in the management menu area using a mouse.
Alternatively, the detection of the user operation may be detection of a user operation on a touch panel corresponding to the screen display area or the management menu area. Specifically, the display screen may be a touch screen, and the user may perform an operation by performing a touch screen click in the screen display area or the management menu area. The screen rotation operation of the embodiment is suitable for touch screen operation, so that the user operation is simpler and more convenient.
Optionally, detecting a user operation, and acquiring a deflection degree and a rotation degree, including detecting the user operation; displaying a menu bar according to the acquired deflection degree of the current picture, wherein the menu bar is used for providing options of the rotation degree; and acquiring the rotation degree in response to the selection operation of the user.
Specifically, the user operation may be to use a mouse to right click a camera corresponding to the current picture in the picture display area or the management menu area, and obtain the deflection degree of the current picture according to the acquired handle of the current picture. The menu bar may include options for degrees of rotation, such as 90 degrees clockwise, 90 degrees counterclockwise, 180 degrees rotated, mirrored, etc., and other options available to the user, such as a delete option for deleting the current picture, a rename option for changing the name of the current picture, an option for moving the position of the current picture, such as move up, move down, move to top, move to bottom, etc., an adaptation screen option for changing the size of the picture, and an attribute option for changing the attributes of the picture. The menu bar provides the option of the rotation degree, so that the user operation is more convenient, and the user operation experience is improved.
In this embodiment, there may be multiple methods for obtaining the handle of the picture, for example, obtaining the handle of the picture by using a FindWindow function, obtaining the handles of all top-level pictures and their sub-pictures by using an engwindows and engchildwindows function and a callback function, an engwindowwindows proc and an engchildwindows proc, and obtaining the handles of all top-level pictures and their sub-pictures by using a GetDesktopWindow and getnextpindow function.
And S103, obtaining a final deflection value according to the deflection degree and the rotation degree.
Specifically, the final deflection value is calculated by: the final deflection value is the number of degrees of deflection + the number of degrees of rotation, for example, 90 degrees of deflection clockwise and 90 degrees of rotation counterclockwise, and the final deflection value is 90 degrees + 0 degrees of counterclockwise, that is, the final deflection value is 0 degrees. The final deflection value is a deflection value relative to a picture with a deflection degree of 0 degree, that is, if the final deflection value is 0 degree, the picture after deflection is a picture with a deflection degree of 0 degree, that is, the picture is a normal picture.
And S104, according to the final deflection value, storing the size and the angle of the picture to be drawn after the current picture is deflected into a four-dimensional vector matrix.
Specifically, the final deflection value is set into the picture attribute, and the size and the angle of the current picture to be drawn are stored into a four-dimensional vector Matrix through a Matrix4 interface. Matrix4 is a method library providing 4 × 4 Matrix operation of WebGL, which can process the size and angle of the current picture to be drawn through the function in Matrix4 and save the result. For example, the size and angle of the current picture to be drawn can be initialized to a unit Matrix through a setIdentity () function, scaling transformation is performed by using a setScale (x, y, z) function, and after a plurality of translation and rotation transformations are performed by using a setTranslate (x, y, z) function and a rotate (angle, x, y, z) function, the result is stored in Matrix 4.
And S105, drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix.
Specifically, the method of drawing a picture according to the size and angle of the picture in the four-dimensional vector matrix may be to use a projection matrix, such as an orthogonal projection and a perspective projection, where the orthogonal projection is a projection perspective projection in which a projection line is perpendicular to a projection plane, belonging to a central projection. A perspective projection view is a graphic that results from projecting an object onto a single projection surface from a certain projection center.
According to the picture rotating method, a current picture is displayed in a picture display area of a user interface, and the picture display area is rectangular; detecting user operation, and acquiring deflection degrees and rotation degrees, wherein the deflection degrees and the rotation degrees are both composed of numerical values and signs, the numerical values are integral multiples of 90 degrees, and the signs are determined by adopting a method that the degrees rotating towards the clockwise direction are positive and the degrees rotating towards the anticlockwise direction are negative; adding the deflection degree and the rotation degree to obtain a final deflection value; according to the final deflection value, the size and the angle of the picture to be drawn after the current picture is deflected are stored in a four-dimensional vector matrix; and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix. By the picture rotating method, the picture angle is adjusted under the condition that hardware equipment is not adjusted, so that the risk of damage caused by adjusting the hardware equipment is reduced, and the picture adjusting efficiency is improved.
Example II,
In combination with the screen rotation method described in the foregoing embodiment, a second embodiment of the present application provides an electronic device for executing any of the screen rotation methods described in the first embodiment.
Referring to fig. 2, the data processing apparatus 20 includes:
an interface display module 201, configured to display a current picture and a rotated picture;
a detection module 202, configured to detect a user operation;
an obtaining module 203, configured to obtain a deflection degree of a current picture and a rotation degree of the current picture to a picture required by a user;
the processing module 204 is configured to add the deflection degree and the rotation degree to obtain a final deflection value, and store the size and the angle of the picture to be drawn after the current picture is deflected into the four-dimensional vector matrix according to the final deflection value;
and the output module 205 is configured to perform picture drawing according to the size and the angle of the picture in the four-dimensional vector matrix.
Optionally, the obtaining module is further configured to obtain a deflection degree of the current picture according to the user operation and display a menu bar, where the menu bar is used to provide an option of a rotation degree; and responding to the selection operation of the user, and acquiring the rotation degree.
Optionally, the interface display module includes a screen display area and a management menu area, and the detecting the user operation includes detecting a user operation of a user in the screen display area or the management menu area.
Alternatively, referring to fig. 3, the interface display module 201 may include a screen display area, a management menu area, a comment display area, a transmission information area, and a multimedia operation area, and the user's rotation screen operation may be performed in any one of the screen display area and the management menu area, and the multimedia operation area includes a microphone and speaker volume adjustment button, a start/end button, and the like.
The embodiments of the application also provide a computer storage medium having a computer program stored thereon, which when executed by a processor, implements the above-described picture rotation method.
The embodiment of the present application further provides a computer program product, which includes computer instructions for instructing a computing device to execute operations corresponding to the screen rotation method according to any one of claims 1 to 5.
According to the electronic equipment, a current picture is displayed in a picture display area of a user interface, and the picture display area is rectangular; detecting user operation, and acquiring deflection degrees and rotation degrees, wherein the deflection degrees and the rotation degrees are both composed of numerical values and signs, the numerical values are integral multiples of 90 degrees, and the signs are determined by adopting a method that the degrees rotating towards the clockwise direction are positive and the degrees rotating towards the anticlockwise direction are negative; adding the deflection degree and the rotation degree to obtain a final deflection value; according to the final deflection value, the size and the angle of the picture to be drawn after the current picture is deflected are stored in a four-dimensional vector matrix; and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix. By the picture rotating method, the picture angle is adjusted under the condition that hardware equipment is not adjusted, so that the risk of damage caused by adjusting the hardware equipment is reduced, and the picture adjusting efficiency is improved.
It should be noted that, according to the implementation requirement, each component/step described in the embodiment of the present application may be divided into more components/steps, and two or more components/steps or partial operations of the components/steps may also be combined into a new component/step to achieve the purpose of the embodiment of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the embodiments of the present application.
The above embodiments are only used for illustrating the embodiments of the present application, and not for limiting the embodiments of the present application, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application, so that all equivalent technical solutions also belong to the scope of the embodiments of the present application, and the scope of patent protection of the embodiments of the present application should be defined by the claims.
Claims (10)
1. A method for rotating a frame, comprising:
the method comprises the steps that a current picture is displayed in a picture display area of a user interface, and the shape of the picture display area is rectangular;
detecting user operation, and acquiring the deflection degree and the rotation degree of the current picture according to the user operation, wherein the deflection degree and the rotation degree are both composed of numerical values and symbols, the numerical values are integral multiples of 90 degrees, and the symbols are determined by the method that the degree rotating towards the clockwise direction is positive and the degree rotating towards the anticlockwise direction is negative;
determining a final deflection value according to the deflection degree and the rotation degree;
according to the final deflection value, storing the size and the angle of the picture to be drawn after the current picture is deflected into a four-dimensional vector matrix;
and drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix.
2. The picture rotation method according to claim 1, further comprising:
the user interface further comprises a management menu area;
the detecting the user operation comprises detecting the user operation of the user in the picture display area or the management menu area.
3. The screen rotation method according to claim 2, wherein the detecting a user operation includes detecting a user operation by a user on a touch panel corresponding to the screen display area or the management menu area.
4. The picture rotation method according to claim 2, wherein the detecting a user operation according to which a deflection degree and a rotation degree of the current picture are acquired comprises,
detecting a user operation;
acquiring the deflection degree of the current picture according to the user operation and displaying a menu bar, wherein the menu bar is used for providing options of the rotation degree;
and responding to the selection operation of the user, and acquiring the rotation degree.
5. The picture rotation method according to claim 4, wherein the rotation degrees provided by the menu bar include clockwise rotation by 90 degrees, counterclockwise rotation by 90 degrees, rotation by 180 degrees, and mirroring;
and responding to the selection operation of the user on the menu bar, and acquiring the rotation degree in the menu bar corresponding to the selection operation.
6. An electronic device, comprising:
the interface display module is used for displaying the current picture and the rotated picture;
the detection module is used for detecting user operation;
the acquisition module is used for acquiring the deflection degree of the current picture and rotating the current picture into the rotation degree of the picture required by a user;
the processing module is used for determining a final deflection value according to the deflection degree and the rotation degree, and storing the size and the angle of the picture to be drawn after the current picture is deflected into a four-dimensional vector matrix according to the final deflection value;
and the output module is used for drawing the picture according to the size and the angle of the picture in the four-dimensional vector matrix.
7. The electronic device according to claim 6, wherein the obtaining module is further configured to obtain a deflection degree of the current picture according to the user operation and display a menu bar, and the menu bar is configured to provide an option of a rotation degree;
and responding to the selection operation of the user, and acquiring the rotation degree.
8. The electronic device according to claim 6, wherein the interface display module includes a screen display area and a management menu area, and the detecting the user operation includes detecting a user operation of a user in the screen display area or the management menu area.
9. A computer storage medium having stored thereon a computer program which, when executed by a processor, implements the picture rotation method as claimed in any one of claims 1 to 5.
10. A computer program product comprising computer instructions that instruct a computing device to perform operations corresponding to the picture rotation method as claimed in any one of claims 1 to 5.
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