CN105094617A - Screen capturing method and device - Google Patents
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- CN105094617A CN105094617A CN201510522992.9A CN201510522992A CN105094617A CN 105094617 A CN105094617 A CN 105094617A CN 201510522992 A CN201510522992 A CN 201510522992A CN 105094617 A CN105094617 A CN 105094617A
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- 238000005096 rolling process Methods 0.000 claims abstract description 128
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- 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]
- G06F3/0484—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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Abstract
The embodiment of the invention provides a screen capturing method and device. The method comprises the steps of obtaining a rolling screen capturing instruction; executing a screen capturing operation on the current screen content to obtain an initial screen capturing image; on the basis of the initial screen capturing image, calling a preset system interface to generate a rolling screen capturing image corresponding to the rolling screen capturing instruction, wherein the preset system interface can be called to automatically roll the screen content; showing the rolling screen capturing image. Compared with the prior art, a user just needs to send out the rolling screen capturing instruction so that the rolling screen capturing image can be automatically generated, and the phenomena that the user repeatedly conducts the manual screen capturing operation and a plurality of files are generated are avoided; accordingly, the problems that during continuous multi-screen content screen capturing in the prior art, the user operations are complex, and multiple files are not easy to store can be solved.
Description
Technical Field
The invention relates to the technical field, in particular to a screen capturing method and device.
Background
In order to store the contents of short messages and chat records in instant messaging software, a screen capture function (abbreviated as screen capture) is usually used, that is, the current screen contents are stored as pictures.
In the prior art, when contents to be saved relate to continuous multiple screens, a user needs to manually scroll the screens, and after the user considers that one screen is scrolled, a screen capture operation is performed on the contents of the current screen, and the process is repeated for multiple times.
Although the screen capturing method can capture the continuous multi-screen content, the operation is complicated because the user captures the screen for multiple times manually, and a file is generated in each screen capturing operation, which causes the problem that a plurality of files are not easy to store.
Disclosure of Invention
The embodiment of the invention aims to provide a screen capturing method and device, and aims to solve the problems that in the prior art, when the continuous multi-screen content is captured, the operation of a user is complicated, and a plurality of files are not easy to store. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides a screen capture method, which is applied to an electronic device, and the method includes:
obtaining a scrolling screen capture instruction;
performing screen capture operation on the current screen content to obtain an initial screen capture picture;
generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called;
and displaying the scrolling screen shot picture.
Optionally, the generating a scrolling screenshot picture corresponding to the scrolling screenshot instruction based on the initial screenshot picture and by calling a predetermined system interface includes:
calling a predetermined system interface to automatically scroll screen content;
detecting whether a predetermined screen capture condition is satisfied and detecting whether a predetermined screen capture end condition is satisfied;
when the preset screen capturing condition is detected to be met, calling of the preset system interface is suspended, screen capturing operation is performed on the current screen content, a standby screen capturing picture is obtained, a spliced picture corresponding to the screen capturing operation is generated according to the standby screen capturing picture and the spliced picture generated by the last screen capturing operation, and the step of calling the preset system interface is continuously executed, wherein the initial screen capturing picture is used as the spliced picture generated by the first screen capturing operation;
and when the condition that the preset screen capture end is met is detected, determining a scrolling screen capture picture corresponding to the scrolling screen capture instruction based on the spliced picture generated by the last screen capture operation.
Optionally, generating a spliced picture corresponding to the current screen capture operation according to the standby screen capture picture and the spliced picture generated by the last screen capture operation, including:
calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
based on the rolling distance, carrying out layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation;
and determining the picture formed by executing the layer splicing operation as the spliced picture corresponding to the screen capturing operation.
Optionally, calculating a scroll distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation includes:
and calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation according to the area where the shared picture content of the spliced picture generated by the standby screen capture picture and the last screen capture operation is located.
Optionally, the performing, based on the rolling distance, layer matching operation on the standby screen capture picture and the matching picture generated by the last screen capture operation includes:
moving the standby screen capture picture to the bottom edge direction of the standby screen capture picture by the rolling distance, wherein the standby screen capture picture and a spliced picture generated by the last screen capture operation before the standby screen capture picture are located at the same horizontal position before being moved, the standby screen capture picture is in the front, and the screen capture picture generated by the last screen capture operation before is behind;
and executing layer splicing operation on the standby screen capture picture and the spliced picture generated by the last screen capture operation.
Optionally, the performing, based on the rolling distance, layer matching operation on the standby screen capture picture and the matching picture generated by the last screen capture operation includes:
performing a cropping operation on a top area with a preset size of the standby screen capture picture to obtain a cropped partial screen capture picture;
moving the part of the screen capture picture to the bottom edge direction of the part of the screen capture picture by the rolling distance, wherein the part of the screen capture picture and the spliced picture generated by the last screen capture operation before being moved are located at the same horizontal position, the part of the screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before is located at the back;
and performing layer splicing operation on the part of screen capture picture and the spliced picture generated by the last screen capture operation.
Optionally, the determining, based on the stitched picture generated by the last screen capture operation, the scrolling screen capture picture corresponding to the scrolling screen capture instruction includes:
and determining the spliced picture generated based on the last screen capturing operation as the scrolling screen capturing picture corresponding to the scrolling screen capturing instruction.
Optionally, the determining, based on the stitched picture generated by the last screen capture operation, the scrolling screen capture picture corresponding to the scrolling screen capture instruction includes:
executing screen capture operation on the screen content when the screen capture end condition is met, and taking a screen capture picture generated by the screen capture operation as a correction picture;
and determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
Optionally, the predetermined screen capture condition includes:
rolling the pixel points with the preset line number when the last screen capture operation occurs;
or,
scrolling a predetermined length relative to when the last previous screen capture operation occurred.
Optionally, the predetermined screen capture end condition includes:
receiving a screen capture ending instruction sent by a user;
or,
the predetermined screen capture condition has not been satisfied.
Optionally, the screen capture method provided in the embodiment of the present invention further includes:
and displaying the floating layer containing the thumbnail of the spliced picture generated by the last screen capture operation in real time.
In a second aspect, an embodiment of the present invention further provides a screen capture device applied to an electronic device, where the screen capture device includes:
the system comprises a rolling screen capture instruction acquisition module, an initial screen capture picture acquisition module, a rolling screen capture picture generation module and a rolling screen capture picture display module; wherein,
the rolling screen capture instruction obtaining module is used for obtaining a rolling screen capture instruction;
the initial screen capture picture obtaining module is used for executing screen capture operation on the current screen content to obtain an initial screen capture picture;
the rolling screen capture picture generation module is used for generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called;
and the rolling screen capture picture display module is used for displaying the rolling screen capture picture.
Optionally, the scrolling screenshot generating module includes: the interface calling sub-module, the detection sub-module, the picture splicing sub-module and the rolling screen capture picture generating sub-module are arranged, wherein the picture splicing sub-module comprises a standby screen capture picture obtaining unit and a picture splicing unit; wherein,
the interface calling submodule is used for calling a preset system interface to automatically scroll screen contents;
the detection submodule is used for detecting whether a preset screen capture condition is met and detecting whether a preset screen capture end condition is met;
the standby screen capture picture obtaining unit is used for suspending calling of the preset system interface and executing screen capture operation on the current screen content to obtain a standby screen capture picture when the detection module detects that a preset screen capture condition is met;
the image splicing unit is used for generating a spliced image corresponding to the current screen capturing operation according to the standby screen capturing image and the spliced image generated by the last screen capturing operation, and triggering the interface calling sub-module to continuously execute the step of calling the preset system interface, wherein the initial screen capturing image is used as the spliced image generated by the first screen capturing operation;
and the rolling screen capture picture generation sub-module is used for determining a rolling screen capture picture corresponding to the rolling screen capture instruction based on a spliced picture generated by the last screen capture operation when the detection module detects that a preset screen capture end condition is met.
Optionally, the picture splicing unit includes a rolling distance calculating subunit, a layer splicing subunit, and a spliced picture determining subunit; wherein,
the rolling distance calculating subunit is configured to calculate a rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
the layer splicing subunit is configured to perform layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation based on the rolling distance;
and the spliced picture determining subunit is used for determining a picture formed by executing the layer splicing operation as a spliced picture corresponding to the screen capturing operation.
Optionally, the rolling distance calculating subunit is specifically configured to:
and calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation according to the area where the shared picture content of the spliced picture generated by the standby screen capture picture and the last screen capture operation is located.
Optionally, the layer splicing subunit is specifically configured to:
moving the standby screen capture picture to the bottom edge direction of the standby screen capture picture by the rolling distance, wherein the standby screen capture picture and a spliced picture generated by the last screen capture operation before the standby screen capture picture are located at the same horizontal position before being moved, the standby screen capture picture is in the front, and the screen capture picture generated by the last screen capture operation before is behind;
and executing layer splicing operation on the standby screen capture picture and the spliced picture generated by the last screen capture operation.
Optionally, the layer splicing subunit is specifically configured to:
performing a cropping operation on a top area with a preset size of the standby screen capture picture to obtain a cropped partial screen capture picture;
moving the part of the screen capture picture to the bottom edge direction of the part of the screen capture picture by the rolling distance, wherein the part of the screen capture picture and the spliced picture generated by the last screen capture operation before being moved are located at the same horizontal position, the part of the screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before is located at the back;
and performing layer splicing operation on the part of screen capture picture and the spliced picture generated by the last screen capture operation.
Optionally, the scrolling screenshot picture generation sub-module includes: a first scrolling screenshot picture generation unit; wherein,
the first rolling screen capture picture generation unit is used for determining a spliced picture generated based on the last screen capture operation as a rolling screen capture picture corresponding to the rolling screen capture instruction when the detection module detects that a preset screen capture end condition is met.
Optionally, the scrolling screenshot picture generation sub-module includes: a corrected picture obtaining unit and a second scrolling screenshot picture generating unit; wherein,
the correction picture obtaining unit is used for executing screen capture operation on the screen content when the screen capture end condition is met and taking the screen capture picture generated by the screen capture operation as a correction picture;
and the second rolling screen capture picture generation unit is used for determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
Optionally, the predetermined screen capture condition detected by the detection sub-module includes:
rolling the pixel points with the preset line number when the last screen capture operation occurs;
or,
scrolling a predetermined length relative to when the last previous screen capture operation occurred.
Optionally, the predetermined screen capture end condition detected by the detection sub-module includes:
receiving a screen capture ending instruction sent by a user;
or,
the predetermined screen capture condition has not been satisfied.
Optionally, the screen capture device provided in the embodiment of the present invention further includes:
and the floating layer display module is used for displaying the floating layer containing the thumbnail of the spliced picture generated by the last screen capturing operation in real time.
In the embodiment of the invention, after a scrolling screen capture instruction is obtained, screen capture operation is executed on the current screen content to obtain an initial screen capture picture; generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called; and displaying the scrolling screen shot picture. Compared with the prior art, according to the scheme, the user can automatically generate the rolling screen capture picture only by sending the rolling screen capture instruction, so that the problems that the user is required to manually capture the screen for multiple times and generate multiple files in the prior art are solved, the user operation is complicated and the multiple files are not easy to store when the continuous multi-screen content is captured in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a screen capture method according to an embodiment of the present invention;
FIG. 2 is another flowchart of a screen capture method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a screen capture device according to an embodiment of the present invention;
FIG. 4(a) is a first screenshot picture corresponding to a first screen content;
fig. 4(b) is a second screenshot corresponding to the second screen content;
FIG. 5 is a partial screenshot corresponding to a second screenshot;
FIG. 6 is a diagram illustrating a position relationship between a dragged front portion screenshot picture and a first screenshot picture;
FIG. 7 is a diagram of the positional relationship between the partial screenshot picture and the first screenshot picture before the split after the movement;
FIG. 8 is a stitched picture corresponding to a partial screenshot picture and a first screenshot picture;
FIG. 9 is a schematic of an interface showing a floating layer with thumbnails containing a mosaic.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems that in the prior art, when a continuous multi-screen content is subjected to screen capturing, a user is complicated to operate and a plurality of files are not easy to store, the embodiment of the invention provides a screen capturing method and device.
First, a screen capture method provided by the embodiment of the present invention is described below.
It should be noted that the screen capture method provided by the embodiment of the present invention is applied to an electronic device, and in practical application, the electronic device may be a smart phone, a tablet computer, a notebook computer, or the like. Moreover, the functional software for implementing the screen capture method provided by the embodiment of the invention can be special screen capture software, and can also be plug-in the existing application software, and the like, which is reasonable.
As shown in fig. 1, a screen capture method may include the following steps:
s101, obtaining a scrolling screen capturing instruction;
when a user wants to capture continuous multi-screen content in the electronic device, a predetermined operation may be performed to issue a scroll screen capture instruction to the electronic device, and the electronic device may obtain the scroll screen capture instruction, so as to perform subsequent processing.
Here, the predetermined operation may be an operation of clicking a "scroll screen capture" button in the interface, or may be a preset gesture operation, or the like, which is reasonable.
S102, performing screen capture operation on the current screen content to obtain an initial screen capture picture;
after the scrolling screenshot command is obtained, in order to ensure that the current screen content is intercepted, a screenshot operation can be firstly performed on the current screen content to obtain an initial screenshot picture; furthermore, in order to finally output a file containing complete continuous multi-screen content, the initial screenshot can be utilized when a scrolling screenshot picture corresponding to the scrolling screenshot command is subsequently generated.
It will be understood by those skilled in the art that the screen capture operation performed on the current screen content can be implemented by using the prior art, and will not be described herein.
S103, generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called;
after the initial screen capture picture is obtained, a rolling screen capture picture corresponding to the rolling screen capture instruction can be generated based on the initial screen capture picture and by calling a preset system interface, and then subsequent display of the rolling screen capture picture is executed.
It should be noted that the predetermined system interface is an interface that can implement automatic scrolling of screen content by being called, which is present in the prior art, and therefore, automatic scrolling of screen content can be implemented without manual control by a user by calling the predetermined system interface.
Specifically, for the case that the operating system is an android system, the predetermined system interface may be Instrumentation, sendPointerSync (), and of course, for other operating systems, the predetermined system interface may be another interface capable of scrolling screen content by being called.
For the purpose of layout clarity, a detailed process of generating a scrolling screenshot picture corresponding to the scrolling screenshot instruction based on the initial screenshot picture and by calling a predetermined system interface is described later.
And S104, displaying the scrolling screen capture picture.
After the scrolling screen capture picture corresponding to the scrolling screen capture instruction is generated based on the initial screen capture picture and by calling a predetermined system interface, the scrolling screen capture picture corresponding to the scrolling screen capture instruction can be displayed. Further, it is reasonable that the user can perform a save operation, a send operation, or a discard save, etc. on the displayed scroll screenshot.
Compared with the prior art, according to the scheme, the user can automatically generate the rolling screen capture picture only by sending the rolling screen capture instruction, so that the problems that the user is required to manually capture the screen for multiple times and generate multiple files in the prior art are solved, the user operation is complicated and the multiple files are not easy to store when the continuous multi-screen content is captured in the prior art.
The specific implementation process of generating the scrolling screenshot picture corresponding to the scrolling screenshot command based on the initial screenshot picture and by calling a predetermined system interface will be described in detail below.
As shown in fig. 2, the generating a scrolling screenshot picture corresponding to the scrolling screenshot instruction based on the initial screenshot picture and by calling a predetermined system interface may include:
s201, calling a preset system interface to automatically scroll screen contents;
after the initial screenshot is obtained, since there is continuous multi-screen content, a predetermined system interface may be invoked to automatically scroll the screen content.
S202, detecting whether a preset screen capturing condition is met and whether a preset screen capturing end condition is met, executing S203 if the preset screen capturing condition is met, and executing S204 if the preset screen capturing end condition is met;
in order to generate a scrolling screenshot picture containing continuous multi-screen content, different screenshot pictures of a plurality of pieces of content to be spliced can be obtained first, and in order to obtain different screenshot pictures of the plurality of pieces of content to be spliced, a screenshot operation can be performed after the screen content scrolls to a certain degree, that is, the screenshot operation is performed after the screen content scrolls for a certain distance. Based on the above requirements, it is possible to detect whether a predetermined screen capturing condition is satisfied during the process of invoking a predetermined system interface for automatically scrolling screen content, and perform a corresponding screen capturing operation and other related auxiliary operations when it is detected that the predetermined screen capturing condition is satisfied.
In addition, since the contents of the continuous multi-screen content are limited or the contents required by the user for the continuous multi-screen content are limited, it is necessary to end the scrolling process of the screen contents at a certain time. In order to detect whether the scrolling of the screen content needs to be ended, whether a predetermined screen capture ending condition is met or not can be detected in the process of calling a predetermined system interface to automatically scroll the screen content, and corresponding operation is executed when the predetermined screen capture ending condition is met, so that a finally required scrolling screen picture is obtained.
Specifically, in practical applications, the predetermined screen capture condition may include: rolling the pixel points with the preset line number when the last screen capture operation occurs; alternatively, the scrolling is a predetermined length relative to when the last previous screen capture operation occurred. In practical applications, the predetermined number of lines may be one fourth, one third and any value between one fourth and one third of the total number of lines of the pixels on the screen, and the predetermined length may be one fourth, one third and any value between one fourth and one third of the height of the screen. For example: for an electronic device with a screen resolution of 1920 × 1080, the predetermined number of rows may be 700 or 600 rows, but is not limited thereto.
Specifically, in practical applications, the predetermined screen capture end condition may include: receiving a screen capture ending instruction sent by a user; alternatively, the predetermined screen capture condition has not been satisfied. In this case, for receiving a screen capture end instruction issued by the user as the predetermined screen capture end condition, the user may issue the screen capture end instruction by performing a predetermined operation, for example, clicking a "screen capture end" button displayed on the interface, or issuing a predetermined gesture. Since the scrolling of the screen content can be automatically ended when only less than a predetermined number of pixels or less than a predetermined length is scrolled when the previous screen capture operation occurs, the predetermined screen capture condition cannot be met as the predetermined screen capture end condition, for example: assuming that 700 lines of pixel points are used as the preset number of lines for rolling screen capture, if 100 lines of pixel points are rolled or the number of lines less than 700 lines of pixel points is rolled, the rolling cannot be continued, at the moment, the rolling is stopped, and the preset screen capture end condition is considered to be met; for another example, there are 11 contacts, 10 contacts are displayed on each screen, the second screen actually displays only 1 contact, and the scrolling can only scroll by a distance corresponding to 1 contact during scrolling, and since the number of pixels less than the preset scrolling line number or the preset scrolling distance, the scrolling will stop at this time, and the preset screen capture end condition is considered to be satisfied.
It should be noted that if neither the predetermined screenshot condition nor the predetermined screenshot ending condition is detected to be satisfied, the step of calling the predetermined system interface to automatically scroll the screen content may be continuously performed.
S203, pausing the calling of the preset system interface, executing screen capturing operation on the current screen content to obtain a standby screen capturing picture, generating a spliced picture corresponding to the screen capturing operation according to the standby screen capturing picture and the spliced picture generated by the last screen capturing operation, and continuously executing the step of calling the preset system interface;
the initial screen capture picture is used as a spliced picture generated by the first screen capture operation; the spliced picture generated by the last screen capturing operation specifically refers to a spliced picture generated by the last screen capturing operation, wherein the current screen capturing operation is used as a time reference, and the spliced picture generated by the last screen capturing operation is the spliced picture generated by the last screen capturing operation.
When it is detected that the predetermined screen capture condition is met, the calling of the predetermined system interface may be suspended, the screen capture operation may be performed on the current screen content to obtain a standby screen capture picture, a spliced picture corresponding to the current screen capture operation is generated according to the standby screen capture picture and a spliced picture generated by the last screen capture operation, and the step of calling the predetermined system interface shown in S201 is continuously performed. It should be noted that, after the stitched picture corresponding to the current screen capture operation is generated, the step of calling the predetermined system interface shown in S201 may be continuously executed, and of course, in order to increase the processing rate, after the standby screen capture picture is obtained, the step of generating the stitched picture corresponding to the current screen capture operation and the step of calling the predetermined system interface shown in S201 may be executed at the same time.
Specifically, generating the spliced picture corresponding to the current screen capturing operation according to the standby screen capturing picture and the spliced picture generated by the last screen capturing operation may include:
calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
based on the rolling distance, carrying out layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation;
and determining the picture formed by executing the layer splicing operation as the spliced picture corresponding to the screen capturing operation.
Specifically, the scroll distance of the screen content between the execution time of the current screen capturing operation and the execution time of the last screen capturing operation may be calculated according to the area where the shared picture content of the standby screen capturing picture and the spliced picture generated by the last screen capturing operation is located. Of course, the scroll distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation can also be calculated by other methods, for example: for the case that the current screen capturing operation is the screen capturing operation which occurs when the condition that the preset screen capturing condition is met is detected, it is reasonable that the distance or the preset length corresponding to the pixel points with the preset line number related in the preset screen capturing condition can be directly determined as the rolling distance of the screen content between the execution time of the current screen capturing operation and the execution time of the last screen capturing operation, and the like.
It should be emphasized that, in practical applications, for two pictures belonging to two continuous screens of contents, if there is a common picture content, the common picture content is in a lower region of a picture corresponding to a previous screen of contents, and based on the analysis, a default region in which the common picture content is located may be preset according to an empirical value, the default region may be represented by a pixel point region, and the pixel point region is based on a screen resolution of the electronic device. Specifically, the default area may be: a region located in a lower region of a screen of the electronic device, having a width of the screen and an area of a predetermined proportion of the area of the screen, or the default region may be: the display device comprises a region, a display unit and a control unit, wherein the region is located in an upper region of a screen of the electronic device, the width of the region is the width of the screen, and the area of the region is a predetermined proportion of the area of the screen, and the predetermined proportion can be as follows: one fourth, one fifth, one sixth, etc., which are reasonable. Furthermore, when the scroll distance is calculated, in the case where the default region is a lower region of the screen of the electronic device, matching content which is common picture content in the default region is determined from the stitched picture generated by the last previous screen capture operation, a target region where the matching content is located is identified in the standby screen capture picture, and the scroll distance is determined based on the target region and the default region; and when the default area is located in the upper area of the screen of the electronic equipment, matching content serving as common picture content in the default area is determined from the standby screen capture pictures, a target area where the matching content is located is identified in the spliced picture generated by the last screen capture operation, and the scrolling distance is determined based on the target area and the default area. It should be emphasized that the target area where the matching content is located can be identified by comparing the pixel values of the pixels, but is not limited thereto.
For clarity of description regarding the calculation of the scroll distance, the following description is made with reference to two examples: for example one, assume that a spliced picture generated by the last screen capturing operation is a picture a, a standby screen capturing picture is a picture B, a default region is set for the picture a, and specifically is a region where 1100 th to 1500 th rows of pixels (for a screen of an electronic device, pixel row numbers gradually increase from top to bottom), a determined target region in the picture B is a region where 500 th to 900 th rows of pixels are located, and at this time, a rolling distance is a distance corresponding to 600 rows of pixels; for example two, assume that the spliced picture generated by the last screen capturing operation is picture a, the standby screen capturing picture is picture B, the default region is a region set for picture B, specifically, a region where the 200 th to 300 th rows of pixels (for the screen of the electronic device, the row number of the pixels gradually increases from the top to the bottom) are located, the determined target region in picture a is a region where the 900 th to 1000 th rows of pixels are located, and at this time, the dragging distance is the distance corresponding to the 700 rows of pixels; in addition, for the area where the 1100 th to 1500 th rows of pixels or the 900 th to 1000 th rows of pixels of the picture a are located, since the screen resolution of the electronic device is constant, but the picture a is a stitched picture, the specific area position of the 1100 th to 1500 th rows of pixels or the 900 th to 1000 th rows of pixels can be reversely deduced from the bottom edge of the picture a.
Further, in the first implementation manner, the performing, based on the scroll distance, an image layer splicing operation on the standby screen capture picture and a spliced picture generated by a last screen capture operation may include:
moving the standby screen capture picture to the bottom edge direction of the standby screen capture picture by the rolling distance, wherein the standby screen capture picture and a spliced picture generated by the last screen capture operation before the standby screen capture picture are located at the same horizontal position before the standby screen capture picture is moved, the standby screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before the standby screen capture picture is located at the back;
and executing layer splicing operation on the standby screen capture picture and the spliced picture generated by the last screen capture operation.
In addition, since the screenshot picture usually has a title area with fixed content, and the title area is located at the top of the picture, which affects the picture splicing, the title area needs to be cut out, and then the remaining part is used as the picture to be spliced, wherein the title area is usually the top area with a specific size. Based on the above need, in a second implementation manner, the performing, based on the scroll distance, an image layer splicing operation on the standby screen capture picture and a spliced picture generated by a last screen capture operation may include:
performing a cropping operation on a top area with a preset size of the standby screen capture picture to obtain a cropped partial screen capture picture;
moving the part of the screen capture picture to the bottom edge direction of the part of the screen capture picture by the rolling distance, wherein the part of the screen capture picture and the spliced picture generated by the last screen capture operation before being moved are located at the same horizontal position, the part of the screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before is located at the back;
and performing layer splicing operation on the part of screen capture picture and the spliced picture generated by the last screen capture operation.
In practical applications, the predetermined size for the header area may be an empirical value, which may be: one fourth of the whole screen shot, i.e. the partial screen shot, is three fourths of the whole standby screen shot, but is not limited thereto.
For example, fig. 4(a), 4(b), 5, 6, 7, and 8 show a process of performing an image layer splicing operation on a standby screenshot picture and a spliced picture generated by a last previous screenshot operation, specifically, the picture shown in fig. 4(a) is a first screenshot picture corresponding to first screen content, where the first screenshot picture is a spliced picture generated by a first screenshot operation; the picture shown in fig. 4(b) is a second screenshot picture corresponding to the second screen content, wherein the second screenshot picture is a standby screenshot picture corresponding to the second screenshot operation; FIG. 5 is a partial screenshot remaining after a cropping operation is performed on a top region of a second screenshot; FIG. 6 is a diagram of a positional relationship between a dragged front part of the screenshot picture and the first screenshot picture, wherein the part of the screenshot picture and the first screenshot picture are at the same horizontal position, and the part of the screenshot picture is in front of the first screenshot picture and the first screenshot picture is behind the first screenshot picture; FIG. 7 is a positional relationship diagram of a portion of the screenshot after the movement and before the stitching with the first screenshot, wherein the portion of the screenshot is moved by the calculated scrolling distance based on the positional relationship shown in FIG. 6; fig. 8 is a spliced picture corresponding to a partial screenshot picture and a first screenshot picture.
And S204, determining a scrolling screen capture picture corresponding to the scrolling screen capture instruction based on the spliced picture generated by the last screen capture operation.
When it is detected that the predetermined screen capture end condition is met, the scrolling screen capture picture corresponding to the scrolling screen capture instruction can be determined based on the spliced picture generated by the last screen capture operation. When it is detected that the predetermined screen capture end condition is met, the spliced picture generated by the last screen capture operation is a spliced picture generated by the last screen capture operation, and the time when the predetermined screen capture end condition is met is taken as a time reference.
In a first implementation manner, the determining, based on the stitched picture generated by the last screen capture operation, a scrolling screen capture picture corresponding to the scrolling screen capture instruction may include:
and determining the spliced picture generated based on the last screen capturing operation as the scrolling screen capturing picture corresponding to the scrolling screen capturing instruction.
In a second implementation manner, when the requirement on the scrolling screen capture precision is high, the determining, based on the stitched picture generated by the last screen capture operation, the scrolling screen capture picture corresponding to the scrolling screen capture instruction may include:
executing screen capture operation on the screen content when the screen capture end condition is met, and taking a screen capture picture generated by the screen capture operation as a correction picture;
and determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
It should be emphasized that the specific implementation manner of determining the scrolling screenshot picture corresponding to the scrolling screenshot instruction based on the stitched picture generated by the last previous screenshot operation is given only as an example and should not be construed as a limitation to the embodiment of the present invention.
In addition, in order to enable a user to know the state of a current screenshot picture in real time, the screenshot method provided by the embodiment of the invention may further include: and displaying the floating layer containing the thumbnail of the spliced picture generated by the last screen capture operation in real time.
The position of the floating layer containing the thumbnail in the screen of the electronic device may be set according to actual situations, for example, as shown in fig. 9, the floating layer 2 containing the thumbnail of the mosaic is located on the left side of the screen content 1, and of course, may be located on the right side, and so on, which are all reasonable. In addition, it should be noted that the floating layer containing the thumbnail may be a special floating layer that is not used as the screen content, so that the screen content and the thumbnail can be distinguished from each other in visual effect, and the thumbnail is prevented from being intercepted as the screen content when the screen capture operation is performed; it will be understood by those skilled in the art that the special floating layer which is not the content of the screen can be realized by the prior art and will not be described herein.
Corresponding to the above method embodiment, an embodiment of the present invention further provides a screen capture apparatus, which is applied to an electronic device, and as shown in fig. 3, the apparatus may include:
a scrolling screenshot instruction obtaining module 310, an initial screenshot picture obtaining module 320, a scrolling screenshot picture generating module 330 and a scrolling screenshot picture displaying module 340; wherein,
the scrolling screen capture instruction obtaining module 310 is configured to obtain a scrolling screen capture instruction;
the initial screen capture picture obtaining module 320 is configured to perform a screen capture operation on the current screen content to obtain an initial screen capture picture;
the scrolling screenshot generating module 330 is configured to generate a scrolling screenshot picture corresponding to the scrolling screenshot instruction based on the initial screenshot picture and by calling a predetermined system interface, where the predetermined system interface is an interface that can be called to implement automatic scrolling of screen content;
the scrolling screenshot picture displaying module 340 is configured to display the scrolling screenshot picture.
Compared with the prior art, according to the scheme, the user can automatically generate the rolling screen capture picture only by sending the rolling screen capture instruction, so that the problems that the user is required to manually capture the screen for multiple times and generate multiple files in the prior art are solved, the user operation is complicated and the multiple files are not easy to store when the continuous multi-screen content is captured in the prior art.
Specifically, the scrolling screenshot generating module 330 includes: the interface calling sub-module, the detection sub-module, the picture splicing sub-module and the rolling screen capture picture generating sub-module are arranged, wherein the picture splicing sub-module comprises a standby screen capture picture obtaining unit and a picture splicing unit; wherein,
the interface calling submodule is used for calling a preset system interface to automatically scroll screen contents;
the detection submodule is used for detecting whether a preset screen capture condition is met and detecting whether a preset screen capture end condition is met;
the standby screen capture picture obtaining unit is used for suspending calling of the preset system interface and executing screen capture operation on the current screen content to obtain a standby screen capture picture when the detection module detects that a preset screen capture condition is met;
the image splicing unit is used for generating a spliced image corresponding to the current screen capturing operation according to the standby screen capturing image and the spliced image generated by the last screen capturing operation, and triggering the interface calling sub-module to continuously execute the step of calling the preset system interface, wherein the initial screen capturing image is used as the spliced image generated by the first screen capturing operation;
and the rolling screen capture picture generation sub-module is used for determining a rolling screen capture picture corresponding to the rolling screen capture instruction based on a spliced picture generated by the last screen capture operation when the detection module detects that a preset screen capture end condition is met.
Further, the picture splicing unit comprises a rolling distance calculation subunit, a layer splicing subunit and a spliced picture determination subunit; wherein,
the rolling distance calculating subunit is configured to calculate a rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
the layer splicing subunit is configured to perform layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation based on the rolling distance;
and the spliced picture determining subunit is used for determining a picture formed by executing the layer splicing operation as a spliced picture corresponding to the screen capturing operation.
Specifically, the rolling distance calculating subunit is specifically configured to:
and calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation according to the area where the shared picture content of the spliced picture generated by the standby screen capture picture and the last screen capture operation is located.
Specifically, in a first implementation manner, the layer splicing subunit is specifically configured to:
moving the standby screen capture picture to the bottom edge direction of the standby screen capture picture by the rolling distance, wherein the standby screen capture picture and a spliced picture generated by the last screen capture operation before the standby screen capture picture are located at the same horizontal position before being moved, the standby screen capture picture is in the front, and the screen capture picture generated by the last screen capture operation before is behind;
and executing layer splicing operation on the standby screen capture picture and the spliced picture generated by the last screen capture operation.
Specifically, in a second implementation manner, the layer splicing subunit is specifically configured to:
performing a cropping operation on a top area with a preset size of the standby screen capture picture to obtain a cropped partial screen capture picture;
moving the part of the screen capture picture to the bottom edge direction of the part of the screen capture picture by the rolling distance, wherein the part of the screen capture picture and the spliced picture generated by the last screen capture operation before being moved are located at the same horizontal position, the part of the screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before is located at the back;
and performing layer splicing operation on the part of screen capture picture and the spliced picture generated by the last screen capture operation.
Specifically, in a first implementation manner, the scrolling screenshot generating sub-module includes: a first scrolling screenshot picture generation unit; wherein,
the first rolling screen capture picture generation unit is used for determining a spliced picture generated based on the last screen capture operation as a rolling screen capture picture corresponding to the rolling screen capture instruction when the detection module detects that a preset screen capture end condition is met.
Specifically, in a second implementation manner, the scrolling screenshot generating sub-module includes: a corrected picture obtaining unit and a second scrolling screenshot picture generating unit; wherein,
the correction picture obtaining unit is used for executing screen capture operation on the screen content when the screen capture end condition is met and taking the screen capture picture generated by the screen capture operation as a correction picture;
and the second rolling screen capture picture generation unit is used for determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
Specifically, the predetermined screen capture condition detected by the detection sub-module may include:
rolling the pixel points with the preset line number when the last screen capture operation occurs;
or,
scrolling a predetermined length relative to when the last previous screen capture operation occurred.
Specifically, the predetermined screen capture end condition detected by the detection sub-module may include:
receiving a screen capture ending instruction sent by a user;
or,
the predetermined screen capture condition has not been satisfied.
Furthermore, the screen capture device provided by the embodiment of the present invention may further include:
and the floating layer display module is used for displaying the floating layer containing the thumbnail of the spliced picture generated by the last screen capturing operation in real time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (15)
1. A screen capture method is applied to an electronic device, and comprises the following steps:
obtaining a scrolling screen capture instruction;
performing screen capture operation on the current screen content to obtain an initial screen capture picture;
generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called;
and displaying the scrolling screen shot picture.
2. The method according to claim 1, wherein the generating a scrolling screenshot corresponding to the scrolling screenshot command based on the initial screenshot and by calling a predetermined system interface comprises:
calling a predetermined system interface to automatically scroll screen content;
detecting whether a predetermined screen capture condition is satisfied and detecting whether a predetermined screen capture end condition is satisfied;
when the preset screen capturing condition is detected to be met, calling of the preset system interface is suspended, screen capturing operation is performed on the current screen content, a standby screen capturing picture is obtained, a spliced picture corresponding to the screen capturing operation is generated according to the standby screen capturing picture and the spliced picture generated by the last screen capturing operation, and the step of calling the preset system interface is continuously executed, wherein the initial screen capturing picture is used as the spliced picture generated by the first screen capturing operation;
and when the condition that the preset screen capture end is met is detected, determining a scrolling screen capture picture corresponding to the scrolling screen capture instruction based on the spliced picture generated by the last screen capture operation.
3. The method of claim 2, wherein generating the spliced picture corresponding to the current screen capturing operation according to the standby screen capturing picture and the spliced picture generated by the last screen capturing operation comprises:
calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
based on the rolling distance, carrying out layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation;
and determining the picture formed by executing the layer splicing operation as the spliced picture corresponding to the screen capturing operation.
4. The method of claim 3, wherein calculating a scroll distance of the screen content between the time of execution of the current screen capture operation relative to the time of execution of the last previous screen capture operation comprises:
and calculating the rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation according to the area where the shared picture content of the spliced picture generated by the standby screen capture picture and the last screen capture operation is located.
5. The method according to claim 3, wherein performing layer splicing on the standby screenshot and the spliced picture generated by the last previous screenshot based on the scrolling distance comprises:
moving the standby screen capture picture to the bottom edge direction of the standby screen capture picture by the rolling distance, wherein the standby screen capture picture and a spliced picture generated by the last screen capture operation before the standby screen capture picture are located at the same horizontal position before being moved, the standby screen capture picture is in the front, and the screen capture picture generated by the last screen capture operation before is behind;
and executing layer splicing operation on the standby screen capture picture and the spliced picture generated by the last screen capture operation.
6. The method according to claim 3, wherein performing layer splicing on the standby screenshot and the spliced picture generated by the last previous screenshot based on the scrolling distance comprises:
performing a cropping operation on a top area with a preset size of the standby screen capture picture to obtain a cropped partial screen capture picture;
moving the part of the screen capture picture to the bottom edge direction of the part of the screen capture picture by the rolling distance, wherein the part of the screen capture picture and the spliced picture generated by the last screen capture operation before being moved are located at the same horizontal position, the part of the screen capture picture is located at the front, and the screen capture picture generated by the last screen capture operation before is located at the back;
and performing layer splicing operation on the part of screen capture picture and the spliced picture generated by the last screen capture operation.
7. The method according to claim 2, wherein the determining, based on the stitched picture generated by the last previous screen capture operation, the scrolling screen capture picture corresponding to the scrolling screen capture instruction comprises:
and determining the spliced picture generated based on the last screen capturing operation as the scrolling screen capturing picture corresponding to the scrolling screen capturing instruction.
8. The method according to claim 2, wherein the determining, based on the stitched picture generated by the last previous screen capture operation, the scrolling screen capture picture corresponding to the scrolling screen capture instruction comprises:
executing screen capture operation on the screen content when the screen capture end condition is met, and taking a screen capture picture generated by the screen capture operation as a correction picture;
and determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
9. The method of claim 2, wherein the predetermined screen capture condition comprises:
rolling the pixel points with the preset line number when the last screen capture operation occurs;
or,
scrolling a predetermined length relative to when the last previous screen capture operation occurred.
10. The method according to claim 2, wherein the predetermined screen capture end condition comprises:
receiving a screen capture ending instruction sent by a user;
or,
the predetermined screen capture condition has not been satisfied.
11. The method of claim 2, further comprising:
and displaying the floating layer containing the thumbnail of the spliced picture generated by the last screen capture operation in real time.
12. A screen capture device, applied to an electronic device, the device comprising:
the system comprises a rolling screen capture instruction acquisition module, an initial screen capture picture acquisition module, a rolling screen capture picture generation module and a rolling screen capture picture display module; wherein,
the rolling screen capture instruction obtaining module is used for obtaining a rolling screen capture instruction;
the initial screen capture picture obtaining module is used for executing screen capture operation on the current screen content to obtain an initial screen capture picture;
the rolling screen capture picture generation module is used for generating a rolling screen capture picture corresponding to the rolling screen capture instruction based on the initial screen capture picture and by calling a preset system interface, wherein the preset system interface is an interface capable of realizing automatic rolling of screen content by being called;
and the rolling screen capture picture display module is used for displaying the rolling screen capture picture.
13. The apparatus of claim 12, wherein the scrolling screenshot generating module comprises: the interface calling sub-module, the detection sub-module, the picture splicing sub-module and the rolling screen capture picture generating sub-module are arranged, wherein the picture splicing sub-module comprises a standby screen capture picture obtaining unit and a picture splicing unit; wherein,
the interface calling submodule is used for calling a preset system interface to automatically scroll screen contents;
the detection submodule is used for detecting whether a preset screen capture condition is met and detecting whether a preset screen capture end condition is met;
the standby screen capture picture obtaining unit is used for suspending calling of the preset system interface and executing screen capture operation on the current screen content to obtain a standby screen capture picture when the detection module detects that a preset screen capture condition is met;
the image splicing unit is used for generating a spliced image corresponding to the current screen capturing operation according to the standby screen capturing image and the spliced image generated by the last screen capturing operation, and triggering the interface calling sub-module to continuously execute the step of calling the preset system interface, wherein the initial screen capturing image is used as the spliced image generated by the first screen capturing operation;
and the rolling screen capture picture generation sub-module is used for determining a rolling screen capture picture corresponding to the rolling screen capture instruction based on a spliced picture generated by the last screen capture operation when the detection module detects that a preset screen capture end condition is met.
14. The apparatus of claim 13, wherein the picture stitching unit comprises a rolling distance calculation subunit, an image layer splicing subunit, and a stitched picture determination subunit; wherein,
the rolling distance calculating subunit is configured to calculate a rolling distance of the screen content between the execution time of the current screen capture operation and the execution time of the last screen capture operation;
the layer splicing subunit is configured to perform layer splicing operation on the standby screen capture picture and a spliced picture generated by the last screen capture operation based on the rolling distance;
and the spliced picture determining subunit is used for determining a picture formed by executing the layer splicing operation as a spliced picture corresponding to the screen capturing operation.
15. The apparatus of claim 13, wherein the scrolling screenshot generating sub-module comprises: a corrected picture obtaining unit and a second scrolling screenshot picture generating unit; wherein,
the correction picture obtaining unit is used for executing screen capture operation on the screen content when the screen capture end condition is met and taking the screen capture picture generated by the screen capture operation as a correction picture;
and the second rolling screen capture picture generation unit is used for determining the rolling screen capture picture corresponding to the rolling screen capture instruction according to the corrected picture and the spliced picture generated by the last screen capture operation.
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