CN106210515B - One kind is taken pictures method for previewing and device - Google Patents
One kind is taken pictures method for previewing and device Download PDFInfo
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- CN106210515B CN106210515B CN201610529560.5A CN201610529560A CN106210515B CN 106210515 B CN106210515 B CN 106210515B CN 201610529560 A CN201610529560 A CN 201610529560A CN 106210515 B CN106210515 B CN 106210515B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- User Interface Of Digital Computer (AREA)
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Abstract
The embodiment of the present application provides one kind and takes pictures method for previewing and device, and the method is applied to mobile terminal, comprising: when mobile terminal screen shows the current preview scene of camera acquisition, obtains instantaneous pressure value of the user in the screen operator；When the instantaneous pressure value is greater than the first preset threshold, judge whether to receive the zoom operations instruction for the current preview scene；If receiving the zoom operations instruction, operation is zoomed in and out to current preview scene according to zoom operations instruction, obtains targets preview scene；The image for showing the targets preview scene solves the problems, such as in prior art must to use two fingers just be able to achieve and zooms in and out to preview scene and preview, simplifies process of taking pictures.
Description
Technical field
This application involves field of communication technology, method for previewing is taken pictures more particularly to one kind and one kind is taken pictures pre-viewing device.
Background technique
With the development of technology, the intelligent terminals such as mobile phone have become indispensable in people's daily life one
Point, wherein it takes pictures and is user's function one of most commonly used using intelligent terminal.
It takes the mobile phone as an example, when being taken pictures at present using mobile phone, shutter can substantially be divided into entity shutter and touch shutter
Two kinds of implementations, entity shutter are taken pictures by pressing specific physical button, such as the entity dedicated for taking pictures
Shutter key, or the shutter key formed using substitutions such as volume keys；And touching shutter then includes the void on screen display interface
Quasi- tripper, and take pictures etc. by clicking screen edge.
When being taken pictures using touch shutter, user can be realized in the preview interface of mobile phone to picture by gesture
Zoom operations, to find optimal shooting image.But the scaling that picture is controlled above by gesture needs two hands
Refer to, this inevitable requirement user could be completed using two hand cooperations, can not be completed in the case where one-handed performance to preview screen
Scaling so that process of taking pictures is cumbersome.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present application and overcomes the above problem or at least partly in order to provide one kind
The one kind to solve the above problems takes pictures method for previewing and corresponding one kind is taken pictures pre-viewing device.
To solve the above-mentioned problems, the embodiment of the present application discloses one kind and takes pictures method for previewing, is applied to mobile terminal, packet
It includes:
Mobile terminal screen shows the current preview scene of camera acquisition, obtains wink of the user in the screen operator
When pressure value；
When the instantaneous pressure value is greater than the first preset threshold, judge whether to receive for the current preview scene
Zoom operations instruction, zoom operations instruction triggers by compensator or trimmer pressure value；
If receiving the zoom operations instruction, current preview scene is zoomed in and out according to zoom operations instruction
Operation obtains targets preview scene；
Show the image of the targets preview scene.
Optionally, the step of instantaneous pressure value for obtaining user in the screen operator includes:
Obtain pressure value and operating time of the user in the screen operator；
The ratio of the pressure value and the operating time is calculated, instantaneous pressure value is obtained.
Optionally, described to judge whether the step of receiving the zoom operations instruction for current preview scene packet
It includes:
Change value of pressure of the user in the screen operator is obtained, and, it is lasting to obtain the change value of pressure
Time；
The ratio of the change value of pressure and the time is calculated, compensator or trimmer pressure value is obtained；
Judge whether the compensator or trimmer pressure value is greater than the second preset threshold.
Optionally, after the step of showing the image of the targets preview scene, further includes:
After shooting to the targets preview scene, retain the targets preview scene on the screen；
Record target pressure value of the user corresponding with the targets preview scene in the screen operator；
When pressure value when user is in the screen operator is more than or equal to the target pressure value, again to the target
Preview scene zooms in and out operation.
Optionally, when the pressure value when user is in the screen operator is less than the target pressure value, further includes:
Judge whether that receiving user is directed to the instruction that the targets preview scene is continuously shot；
If so, acquiring the continuously shot images of the targets preview scene.
To solve the above-mentioned problems, the embodiment of the present application also discloses one kind and takes pictures pre-viewing device, is applied to mobile terminal,
Include:
Module is obtained, the current preview scene of camera acquisition is shown for mobile terminal screen, obtains user described
Instantaneous pressure value when screen operator；
Judgment module, for judging whether to receive for institute when the instantaneous pressure value is greater than the first preset threshold
The zoom operations instruction of current preview scene is stated, the zoom operations instruction is triggered by compensator or trimmer pressure value；
Zoom module, for being indicated to current pre- according to the zoom operations when receiving zoom operations instruction
Scene of looking at zooms in and out operation, obtains targets preview scene；
Display module, for showing the image of the targets preview scene.
Optionally, the acquisition module includes:
First acquisition submodule, for obtaining pressure value and operating time of the user in the screen operator；
First computational submodule obtains instantaneous pressure value for calculating the ratio of the pressure value and the operating time.
Optionally, the judgment module includes:
Second acquisition submodule, for obtaining change value of pressure of the user in the screen operator, and, described in acquisition
Change value of pressure duration；
Second computational submodule obtains compensator or trimmer pressure value for calculating the ratio of the change value of pressure and the time；
Second judgment submodule, for judging whether the compensator or trimmer pressure value is greater than the second preset threshold.
Optionally, the Zoom module further include:
Retain submodule, for retaining the mesh on the screen after shooting to the targets preview scene
Mark preview scene；
Record sub module, for recording mesh of the user corresponding with the targets preview scene in the screen operator
Mark pressure value；
Submodule is scaled, is more than or equal to the target pressure value for the pressure value when user is in the screen operator
When, operation is zoomed in and out to the targets preview scene again.
Optionally, the display module further include:
It is continuously shot judging submodule, for judging whether that receive user carries out continuously for the targets preview scene
The instruction of shooting；
It is continuously shot submodule, for being directed to the instruction that is continuously shot of the targets preview scene receiving user
When, acquire the continuously shot images of the targets preview scene.
Compared with the background art, the embodiment of the present application includes the following advantages:
In the embodiment of the present application, when mobile terminal screen shows the current preview scene of camera acquisition, pass through acquisition
Instantaneous pressure value of the user in screen operator judges whether to receive when the instantaneous pressure value is greater than the first preset threshold
It is indicated to the zoom operations for current preview scene, if so, can indicate according to the zoom operations to current preview field
Scape zooms in and out operation, obtains targets preview scene to show the image of the targets preview scene and solves prior art
In two fingers must be used just to be able to achieve zoom in and out preview scene and the problem of preview, simplify process of taking pictures.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of method for previewing embodiment one of taking pictures of the application；
Fig. 2 is a kind of step flow chart of method for previewing embodiment two of taking pictures of the application；
Fig. 3 is a kind of step flow chart of method for previewing embodiment three of taking pictures of the application；
Fig. 4 is a kind of structural block diagram of pre-viewing device embodiment of taking pictures of the application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Applying mode, the present application will be further described in detail.
Referring to Fig.1, a kind of step flow chart of method for previewing embodiment one of taking pictures of the application is shown, the method can
To be applied to mobile terminal, the method can specifically include following steps:
Step 101, mobile terminal screen shows the current preview scene of camera acquisition, obtains user and grasps in the screen
Instantaneous pressure value when making；
In the embodiment of the present application, the mobile terminal can be the terminals such as mobile phone, tablet computer with camera function,
It is also possible to the terminals such as camera, video camera, the application is not construed as limiting the concrete type of mobile terminal.
In general, user can be checked current by mobile terminal screen when user is taken pictures using mobile terminal
Preview scene, the preview scene are the current scene that the mobile terminal is obtained by its camera or other camera modules
Preview graph.When showing the current preview scene of camera acquisition on the screen of mobile terminal, user can pass through click
Or it touches the screen and issues the instruction that will be taken pictures to mobile terminal.
In the embodiment of the present application, the screen operator can be touch of the user's finger on the mobile terminal screen
Operation.Generally, the touch operation should have certain touch pressure value and touch the duration, by calculating the touching
It touches pressure value and touches the ratio between the duration, the instantaneous pressure value of the corresponding operating of user can be obtained.
It should be noted that the touch duration can be user's corresponding touch pressure value duration,
I.e. user's finger be in contact with the screen wherein a period of time, after the touch duration, the finger of user
Still it can be and be in contact with the screen.
In general, user on mobile terminal screen when clicking or touch operation, mobile terminal can receive corresponding
Click or touch signal, meanwhile, the moulds such as pressure sensor of mobile terminal group can specifically obtain opposite with the signal
The pressure value answered and time.The pressure sensor can be inductance pressure transducer, capacitance pressure transducer, Huo Zheqi
The pressure sensor of his type, the application are not especially limited this.
Step 102, when the instantaneous pressure value is greater than the first preset threshold, judge whether to receive for described current
The zoom operations of preview scene indicate that the zoom operations instruction is triggered by compensator or trimmer pressure value；
In the embodiment of the present application, in order to by user's finger to the maloperation of mobile terminal screen and the actual touch of user
Operation distinguishes, and the instantaneous pressure value that step 101 obtains can be compared with the first preset threshold, when the instantaneous pressure
When value is greater than first preset threshold, it is believed that user is currently the true bat based on user to the touch operation of screen
It is carried out according to instruction.
At this point it is possible to further determine whether that receive user indicates for the zoom operations of current preview scene, if so,
Step 103 can be then executed, operation is zoomed in and out to current preview scene.
In the embodiment of the present application, zoom operations instructions can be is triggered by compensator or trimmer pressure value.The buffering pressure
Force value can be after receiving the instruction that user will take pictures, and be obtained according to the screen that user's finger touches mobile terminal
Change value of pressure, and, obtain what ratio between the change value of pressure duration determined.When the buffering is pressed
When force value is greater than preset threshold, it is believed that user has issued the instruction for zooming in and out operation.
In another embodiment of the application, when user is default with described first by comparing the instantaneous pressure value
The size of threshold value determines that user needs to be implemented when taking pictures, if do not receive the instruction of corresponding zoom operations, it is believed that current
Preview scene is the scene that user needs, to be directly acquired to the image of current preview scene, the application to this not
It limits.
Step 103, it if receiving the zoom operations instruction, indicates according to the zoom operations to current preview scene
Operation is zoomed in and out, targets preview scene is obtained；
The zoom operations can refer to that user carries out on mobile terminal screen to the amplification of current preview scene or
The operation of diminution, by multiple zoom operations, user can find optimal coverage, i.e. targets preview scene.
Step 104, the image of the targets preview scene is shown.
In the concrete realization, when user zooms in and out current preview scene, mobile terminal can be simultaneously to preview field
Scape carries out focus operation can be shown on the screen of the mobile terminal when user determines targets preview scene.Into one
Step ground, finishes if having focused at this time, the acquisition parameters that can be obtained according to current focus operation, to targets preview scene
Image is acquired；If user has confirmed targets preview scene, but at this time focus operation also do not complete when, shifting can be waited
Dynamic terminal is completed just to be acquired the image of targets preview scene to defocused.
In the embodiment of the present application, when mobile terminal screen shows the current preview scene of camera acquisition, by obtaining
Instantaneous pressure value of the family in screen operator is taken, when the instantaneous pressure value is greater than the first preset threshold, judges whether to connect
The zoom operations received for current preview scene indicate, if so, can indicate according to the zoom operations to current preview
Scene zooms in and out operation, obtains targets preview scene to show the image of the targets preview scene and solves existing skill
Two fingers must be used just to be able to achieve in art to zoom in and out preview scene and the problem of preview, simplify process of taking pictures.
Referring to Fig. 2, a kind of step flow chart of method for previewing embodiment two of taking pictures of the application is shown, the method can
To be applied to mobile terminal, the method can specifically include following steps:
Step 201, mobile terminal screen shows the current preview scene of camera acquisition, obtains user and grasps in the screen
Pressure value and operating time when making；
In the embodiment of the present application, the mobile terminal can be the terminals such as mobile phone, tablet computer with camera function,
It is also possible to the terminals such as camera, video camera, the application is not construed as limiting the concrete type of mobile terminal.
In the embodiment of the present application, when user is taken pictures using mobile terminal, mobile terminal can be by current scene
Preview graph be displayed on the screen, user can by click or touch screen etc. operate to mobile terminal sending will clap
According to instruction.
In general, user on mobile terminal screen when clicking or touch operation, mobile terminal can receive corresponding
Click or touch signal, meanwhile, the moulds such as pressure sensor of mobile terminal group can specifically obtain opposite with the signal
The pressure value answered and operating time.
Step 202, the ratio of the pressure value and the operating time is calculated, instantaneous pressure value is obtained；
In the embodiment of the present application, when mobile terminal obtains pressure value and operation of the user for the operation of the screen
Between after, the ratio of the pressure value and the operating time can be calculated, obtain this operation instantaneous pressure value.
It should be noted that the operating time can be user's corresponding touch pressure value duration, that is, use
Wherein a period of time that family finger is in contact with the screen, after the operating time, the finger of user still can be with
It is to be in contact with the screen.
Step 203, when the instantaneous pressure value is greater than the first preset threshold, user is obtained in the screen operator
Change value of pressure, and, obtain the change value of pressure duration；
In the embodiment of the present application, if the instantaneous pressure value is less than the first preset threshold, it is believed that user this
Operation is maloperation, and mobile terminal can ignore the command adapted thereto generated due to this instantaneous pressure value.
And when the instantaneous pressure value is greater than the first preset threshold, it is believed that this operation of user is based on user
True photographing instruction and issue, at this point it is possible to continue to get change value of pressure of the user in the screen operator,
And obtain the change value of pressure duration.
Specifically, when the finger of user is slided or pressed on mobile terminal screen, pressure value may be not
Be it is sustained, therefore, pressure when can specifically obtain user's operation by the moulds such as pressure sensor of mobile terminal group
Changing value, and, another pressure value elapsed time is changed to by a certain pressure value.Certainly, those skilled in the art go back
The change value of pressure and transformation period when user's operation can be obtained using other modes, the application is not especially limited this.
Step 204, the ratio of the change value of pressure and the time is calculated, compensator or trimmer pressure value is obtained；
In the embodiment of the present application, in order to avoid user it is very slight subtract power and firmly cause frequently scale, frequently it is right
Burnt problem can obtain compensator or trimmer pressure value, by the ratio of the calculating change value of pressure and the time with the buffering
Pressure value as user's operation judgment basis.
In the concrete realization, if the pressure value of user's touch operation is respectively f1 and f2, and the pressure value is changed by f1
It is △ t1 to f2 elapsed time, then corresponding compensator or trimmer pressure value △ p1=(f2-f1)/△ t1 can be calculated.
Further, repeatedly different pressure value and transformation period can also be obtained, between multiple compensator or trimmer pressure value
Absolute value as the compensator or trimmer pressure value needed for this step, to improve the calculating accuracy of compensator or trimmer pressure value.
For example, it is also possible to obtain the pressure value f3 and f4 of user's touch operation respectively, and pressure is changed to by pressure value f3
Force value f4 elapsed time △ t2, is then calculated △ p2=(f4-f3)/△ t2, and then between △ p1 and △ p2
Absolute value | △ p2- △ p1 | as compensator or trimmer pressure value.
Step 205, judge whether the compensator or trimmer pressure value is greater than the second preset threshold；
In the embodiment of the present application, when compensator or trimmer pressure value is greater than the second preset threshold, it is believed that user needs to working as
Preceding preview scene zooms in and out operation, so as to execute step 206.
Step 206, operation is zoomed in and out to current preview scene, obtains targets preview scene；
Step 207, it focuses to the targets preview scene；
In the concrete realization, mobile terminal carries out focusing can be zooming in and out to preview scene to targets preview scene
Operation progress simultaneously, it is also possible to carry out after obtaining targets preview scene, the application is not especially limited this.
Step 208, when focusing finishes, the targets preview scene is shot, obtains the image of targets preview scene.
It in the concrete realization, can be in mobile terminal when focus operation of the mobile terminal to targets preview scene finishes
Screen on show corresponding prompting message, finished with reminding user to focus, at this point, user can using current shooting join
Several pairs of targets preview scenes are shot, and obtain the image of targets preview scene.
Referring to Fig. 3, a kind of step flow chart of method for previewing embodiment three of taking pictures of the application is shown, specifically can wrap
Include following steps:
Step 301, mobile terminal screen shows the current preview scene of camera acquisition, obtains user and grasps in the screen
Instantaneous pressure value when making；
Step 302, when the instantaneous pressure value is greater than the first preset threshold, judge whether to receive for described current
The zoom operations of preview scene indicate that the zoom operations instruction is triggered by compensator or trimmer pressure value；
Step 303, it if receiving the zoom operations instruction, indicates according to the zoom operations to current preview scene
Operation is zoomed in and out, targets preview scene is obtained；
Step 304, the image of the targets preview scene is shown；
Since step 301-304 is similar with step 101-104, the present embodiment repeats no more this.
Step 305, after being shot to the targets preview scene, in the upper reservation targets preview of the screen
Scene；
Step 306, goal pressure of the user corresponding with the targets preview scene in the screen operator is recorded
Value；
It in the embodiment of the present application, can be to the target after user obtains targets preview scene by zoom operations
The image of preview scene is acquired, and completes to take pictures.
It is scaled in advance since targets preview scene may be considered the best of the current scene that user is obtained by zoom operations
Therefore whether figure of looking at succeeds when no matter user takes pictures in step 305, may continue on the screen of the mobile terminal
Retain the targets preview scene, and records user and carried out on the screen accordingly when obtaining the targets preview scene
The target pressure value of touch operation.
Step 307, it is right again when the pressure value when user is in the screen operator is more than or equal to the target pressure value
The targets preview scene zooms in and out operation；
In the embodiment of the present application, when user carries out touch operation on mobile terminal screen again, if the touch
When the pressure value of operation is more than or equal to the target pressure value, it is believed that user needs to being retained on mobile terminal screen
Targets preview scene zooms in and out operation again, at this point it is possible to for the instruction that the touch operation is issued, to preview scene
It zooms in and out.
Step 308, when the pressure value when user is in the screen operator is less than the target pressure value, judge whether to connect
It receives user and is directed to the instruction that the targets preview scene is continuously shot；
Step 309, if so, acquiring the continuously shot images of the targets preview scene.
In the embodiment of the present application, when user obtain targets preview scene and complete take pictures after, again the screen into
When row touch operation, if the pressure value of the touch operation is less than the target pressure value, it can continue targets preview scene
It is retained on mobile terminal screen, and judges whether to receive the instruction that user is continuously taken pictures, if so, can directly adopt
It is continuously shot with the targets preview scene, obtains multiple images.
In the embodiment of the present application, after user completes to take pictures, it is pre- that reservation target can be continued on mobile terminal screen
Look at scene, and according to user again to the pressure of the touch operation of screen when, realize the contracting again to targets preview scene respectively
It puts, or directlys adopt the targets preview scene and be continuously shot, simplify the operating process continuously taken pictures, simultaneously as
Targets preview scene may be considered the best shooting angle that user finds, and therefore, continuously take pictures also using this method has
Conducive to the quality and effect of the image for improving acquisition of continuously taking pictures.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, the embodiment of the present application is not limited by the described action sequence, because according to
According to the embodiment of the present application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and related movement not necessarily the application is implemented
Necessary to example.
Referring to Fig. 4, a kind of structural block diagram of pre-viewing device embodiment of taking pictures of the application is shown, described device is applied to
Mobile terminal, described device can specifically include following module:
Module 401 is obtained, the current preview scene of camera acquisition is shown for mobile terminal screen, obtains user in institute
State instantaneous pressure value when screen operator；
Judgment module 402 is directed to for judging whether to receive when the instantaneous pressure value is greater than the first preset threshold
The zoom operations of the current preview scene indicate that the zoom operations instruction is triggered by compensator or trimmer pressure value；
Zoom module 403, for being indicated to current according to the zoom operations when receiving zoom operations instruction
Preview scene zooms in and out operation, obtains targets preview scene；
Display module 404, for showing the image of the targets preview scene.
In the embodiment of the present application, the acquisition module 401 can specifically include following submodule:
First acquisition submodule 4011, for obtaining pressure value and operating time of the user in the screen operator；
First computational submodule 4012 obtains instantaneous pressure for calculating the ratio of the pressure value and the operating time
Force value.
In the embodiment of the present application, the judgment module 402 can specifically include following submodule:
Second acquisition submodule 4021, for obtaining change value of pressure of the user in the screen operator, and, it obtains
The change value of pressure duration；
Second computational submodule 4022 obtains buffering pressure for calculating the ratio of the change value of pressure and the time
Force value；
Second judgment submodule 4023, for judging whether the compensator or trimmer pressure value is greater than the second preset threshold.
In the embodiment of the present application, the Zoom module 403 can specifically include following submodule:
Retain submodule 4031, for retaining institute on the screen after shooting to the targets preview scene
State targets preview scene；
Record sub module 4032, for recording user corresponding with the targets preview scene in the screen operator
Target pressure value；
Submodule 4033 is scaled, is more than or equal to the goal pressure for the pressure value when user is in the screen operator
When value, operation is zoomed in and out to the targets preview scene again.
In the embodiment of the present application, the display module 404 can also include following submodule:
It is continuously shot judging submodule 4041, for judging whether that receive user carries out for the targets preview scene
The instruction being continuously shot；
It is continuously shot submodule 4042, for receiving what user was continuously shot for the targets preview scene
When instruction, the continuously shot images of the targets preview scene are acquired.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiments of the present application may be provided as method, apparatus or calculating
Machine program product.Therefore, the embodiment of the present application can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present application can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present application is referring to according to the method for the embodiment of the present application, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although preferred embodiments of the embodiments of the present application have been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and all change and modification within the scope of the embodiments of the present application.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Method for previewing is taken pictures to one kind provided herein above and one kind is taken pictures pre-viewing device, has carried out detailed Jie
It continues, specific examples are used herein to illustrate the principle and implementation manner of the present application, and the explanation of above embodiments is only
It is to be used to help understand the method for this application and its core ideas；At the same time, for those skilled in the art, according to this Shen
Thought please, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is the limitation to the application.
Claims (8)
- The method for previewing 1. one kind is taken pictures, which is characterized in that be applied to mobile terminal, which comprisesMobile terminal screen shows the current preview scene of camera acquisition, obtains instantaneous pressure of the user in the screen operator Force value；When the instantaneous pressure value is greater than the first preset threshold, judge whether to receive the contracting for the current preview scene Operation instruction is put, the zoom operations instruction is triggered by compensator or trimmer pressure value；If receiving the zoom operations instruction, behaviour is zoomed in and out to current preview scene according to zoom operations instruction Make, obtains targets preview scene；Show the image of the targets preview scene；It is described to judge whether that the step of receiving the zoom operations instruction for the current preview scene includes:Change value of pressure of the user in the screen operator is obtained, and, obtain the change value of pressure duration；The ratio of the change value of pressure and the time is calculated, compensator or trimmer pressure value is obtained；Wherein, it indicates to zoom in and out current preview scene operation according to the zoom operations, obtains targets preview scene, packet It includes:Judge whether the compensator or trimmer pressure value is greater than the second preset threshold；When compensator or trimmer pressure value is greater than the second preset threshold, operation is zoomed in and out to current preview scene, obtains targets preview field Scape.
- 2. the method according to claim 1, wherein the instantaneous pressure for obtaining user in the screen operator The step of force value includes:Obtain pressure value and operating time of the user in the screen operator；The ratio of the pressure value and the operating time is calculated, instantaneous pressure value is obtained.
- 3. method according to claim 1 to 2, which is characterized in that showing the image of the targets preview scene After step, further includes:After shooting to the targets preview scene, retain the targets preview scene on the screen；Record target pressure value of the user corresponding with the targets preview scene in the screen operator；When pressure value when user is in the screen operator is more than or equal to the target pressure value, again to the targets preview Scene zooms in and out operation.
- 4. according to the method described in claim 3, it is characterized in that, the pressure value when user is in the screen operator is less than institute When stating target pressure value, further includes:Judge whether that receiving user is directed to the instruction that the targets preview scene is continuously shot；If so, acquiring the continuously shot images of the targets preview scene.
- The pre-viewing device 5. one kind is taken pictures, which is characterized in that be applied to mobile terminal, described device includes:Module is obtained, the current preview scene of camera acquisition is shown for mobile terminal screen, obtains user in the screen Instantaneous pressure value when operation；Judgment module is worked as when the instantaneous pressure value is greater than the first preset threshold, judging whether to receive for described The zoom operations of preceding preview scene indicate that the zoom operations instruction is triggered by compensator or trimmer pressure value；Zoom module, for being indicated to current preview field according to the zoom operations when receiving zoom operations instruction Scape zooms in and out operation, obtains targets preview scene；Display module, for showing the image of the targets preview scene；The judgment module includes:Second acquisition submodule, for obtaining change value of pressure of the user in the screen operator, and, obtain the pressure Changing value duration；Second computational submodule obtains compensator or trimmer pressure value for calculating the ratio of the change value of pressure and the time；Second judgment submodule, for judging whether the compensator or trimmer pressure value is greater than the second preset threshold.
- 6. device according to claim 5, which is characterized in that the acquisition module includes:First acquisition submodule, for obtaining pressure value and operating time of the user in the screen operator；First computational submodule obtains instantaneous pressure value for calculating the ratio of the pressure value and the operating time.
- 7. according to any device of claim 5-6, which is characterized in that the Zoom module further include:Retain submodule, for it is pre- to retain the target on the screen after shooting to the targets preview scene Look at scene；Record sub module, for recording target pressure of the user corresponding with the targets preview scene in the screen operator Force value；Submodule is scaled, when being more than or equal to the target pressure value for the pressure value when user is in the screen operator, then It is secondary that operation is zoomed in and out to the targets preview scene.
- 8. device according to claim 7, which is characterized in that the display module further include:It is continuously shot judging submodule, for judging whether that receive user is continuously shot for the targets preview scene Instruction；It is continuously shot submodule, in the instruction for receiving user and being continuously shot for the targets preview scene, Acquire the continuously shot images of the targets preview scene.
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