CN103685963B - image display processing method and device - Google Patents
image display processing method and device Download PDFInfo
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- CN103685963B CN103685963B CN201310745341.7A CN201310745341A CN103685963B CN 103685963 B CN103685963 B CN 103685963B CN 201310745341 A CN201310745341 A CN 201310745341A CN 103685963 B CN103685963 B CN 103685963B
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Abstract
The invention discloses a kind of image display processing method and device, described image display processing method comprises the following steps：When receiving the enabled instruction of user's input, foreground application display control interface is controlled, the painting canvas of the preview video picture for carrying camera acquisition is created, and the painting canvas is carried on preset display layer；The control instruction inputted according to user in the control interface, controls the preset display layer to show preview video picture or controls preset display layer to hide；Obtain the preview video picture shown in the preset display layer of show or hide on painting canvas.The present invention effectively prevent camera video data in front and back application display switching, and camera needs the action opened or closed, so as to cause the problem of video data transmission is interrupted.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of image display processing method and device.
Background technology
More and more, all standard configuration shootings such as mobile phone, TV, the somatosensory device that camera is used in each terminal
Head.And the function of camera is mainly monitoring, take pictures, video recording etc..In other instances, it is necessary to can both be run with foreground application,
Can also background application operation.But it is due to that preview video picture is shown in the control of foreground application when foreground application is run
On, and when camera video data are in front and back application display switching, camera needs the action opened or closed, so as to make
The problem of being interrupted into video data transmission.
The content of the invention
It is a primary object of the present invention to provide a kind of image display processing method, it is intended to prevent camera video data from existing
During front and back application display switching, camera needs the action opened or closed, so as to cause asking for video data transmission interruption
Topic.
In order to realize goal of the invention, the present invention provides a kind of image display processing method, described image display processing method
Comprise the following steps：
When receiving the enabled instruction of user's input, foreground application display control interface is controlled, creates and is taken the photograph for carrying
As the painting canvas for the preview video picture that head is obtained, and the painting canvas is carried on preset display layer；
The control instruction inputted according to user in the control interface, controls the preset display layer to show that preview video is drawn
Face controls preset display layer to hide；
Obtain the preview video picture shown in the preset display layer of show or hide on painting canvas.
Preferably, the preset display layer is the top layer of display layer.
Preferably, the preset display layer is controlled to show that preview video picture is specially：The preset display layer is set
Display properties is display；
The preset display layer is controlled to hide specially：It is hiding to set the display properties of the preset display layer.
Preferably, the preset display layer is controlled to show that preview video picture is specially：Adjust the preset display layer
Size is preset value；
The preset display layer is controlled to hide specially：The size for adjusting the preset display layer is 0.
Preferably, it is in the size that the size for adjusting the preset display layer is preset value or the adjustment preset display layer
After 0, in addition to：
The position adjustment that the preset display layer is shown is to preset position.
The present invention also provides a kind of image display processor, and described image display processing unit includes：
Processing module, for when receiving the enabled instruction of user's input, controlling foreground application display control interface, wound
The painting canvas of the preview video picture for carrying camera acquisition is built, and the painting canvas is carried on preset display layer；
Control module, for the control instruction inputted according to user in the control interface, controls the preset display layer
Show preview video picture or control preset display layer to hide；
The preview video picture shown in acquisition module, the preset display layer for obtaining show or hide on painting canvas.
Preferably, the preset display layer is the top layer of display layer.
Preferably, the control module control preset display layer shows that preview video picture is specially：Set described
The display properties of preset display layer is display；
The control module controls the preset display layer to hide：The display properties of the preset display layer is set
It is hiding.
Preferably, the control module control preset display layer shows that preview video picture is specially：Adjustment is described
The size of preset display layer is preset value；
The control module controls the preset display layer to hide：The size for adjusting the preset display layer is 0.
Preferably, described image display processing unit also includes：
Adjusting module, for the position adjustment that shows the preset display layer to preset position.
The present invention carries painting canvas by the preset display layer of setting one, and by controlling the dispaly state of preset display layer, it is real
Show the display of preview screen and hide；So as to be grasped during foreground application with background application switching to painting canvas
Control, painting canvas is carried by preset display layer in real time, therefore prevents camera video data in front and back application display switching, is taken the photograph
As the action that head needs are opened or closed, so as to cause the problem of video data transmission is interrupted.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of image display processing method first embodiment of the present invention；
Fig. 2 is the structural representation of the embodiment of image display processor one of the present invention；
Fig. 3 is the structural representation of another embodiment of image display processor of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of image display processing method.
Reference picture 1, Fig. 1 is the schematic flow sheet of image display processing method first embodiment of the present invention, and the present embodiment is carried
The image display processing method of confession comprises the following steps：
Step S10, when receiving the enabled instruction of user's input, controls foreground application display control interface, creates and use
The painting canvas of the preview video picture obtained in carrying camera, and the painting canvas is carried on preset display layer；
In the present embodiment, above-mentioned image display processing method is applied in the electronic equipment with camera function, specifically,
When user opens camera function, i.e., enabled instruction is inputted to electronic equipment, will now start foreground application simultaneously and backstage should
With.One control interface is shown by foreground application, entrance is provided to camera control to user, for example, can be set in control interface
Camera is opened, camera is closed, exits the function buttons such as foreground application.The preset display layer is used to show that preview video is drawn
The preview screen in face, the position of its aspect can be configured according to actual needs.Specifically, above-mentioned preset display layer is linux
It is used for the display layer of display picture in system（Layer）, and different layers occupies different regions, and a upper display in video memory
Layer can block next display layer.In the present embodiment preferably, the preset display layer is the top layer of display layer, the i.e. preset display layer
For OVERLAY layers.OVERLAY layers are initialized by background application and painting canvas is created, and are transmitted to the shared drive of bottom on painting canvas
The video data of display.It should be noted that when receiving the enabled instruction of user's input, now can directly open shooting
Head, and control preset display layer to show preview video picture；Camera can also be directly opened, and controls preset display layer hidden
Hide；Camera can not also be opened, and controls preset display layer to hide.
Step S20, the control instruction inputted according to user in the control interface controls the preset display layer to show in advance
Look at and video pictures or control preset display layer to hide；
After display control interface, user can be controlled the input of instruction by control interface, such as when user's point
When camera is opened in impact, foreground application will send EVENT_OPEN message to background application in the form of EVENT message events, after
When platform application receives the EVENT_OPEN message, preset display layer will be controlled to show, so that the preview video on painting canvas
Picture is shown by preset display layer.When user, which clicks on, exits foreground application, foreground application will be with EVENT message events
Form send EVENT_CLOASE message to background application, when background application receives the EVENT_CLOASE message, will control
Make preset display layer to hide, so that the preview video picture on painting canvas can not be shown by preset display layer, that is, use
Family is without the preview video picture watched on painting canvas.
Step S30, obtains the preview video picture shown in the preset display layer of show or hide on painting canvas.
The call back function that background application is provided by calling system framework obtains the video counts of preview video picture on painting canvas
According to data, in the call back function, the parameter as function such as data and the wide w of video data, high h, form format
WriteVideo functions are supplied to, memory headroom is written to, then by way of shared drive, used for the algorithm of bottom, can
To carry out corresponding image procossing.
The present invention carries painting canvas by the preset display layer of setting one, and by controlling the dispaly state of preset display layer, it is real
Show the display of preview screen and hide；So as to be grasped during foreground application with background application switching to painting canvas
Control, painting canvas is carried by preset display layer in real time, therefore prevents camera video data in front and back application display switching, is taken the photograph
As the action that head needs are opened or closed, so as to cause the problem of video data transmission is interrupted.
It should be noted that the mode that the above-mentioned preset display layer of control shows and hidden can be set according to actual needs
Put.In a second embodiment, can be by setting the display properties of preset display layer to be shown and hidden, in 3rd embodiment
In, can be by setting the size of preset display layer to be shown and hidden.This is described in detail below：
In a second embodiment, the preset display layer is controlled to show that preview video picture is specially：Set described preset
The display properties of display layer is display；
The preset display layer is controlled to hide specially：It is hiding to set the display properties of the preset display layer.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, it will preset
The display properties of display layer is set to display（As show）, so that the preview video picture on painting canvas passes through preset display
Layer is shown.When background application receives the EVENT_CLOASE message of foreground application transmission, it will preset display layer
Display properties be set to hide（As hide）, so that the preview video picture on painting canvas can not pass through preset display layer
It has been shown that, i.e., user is without the preview video picture watched on painting canvas.
In the third embodiment, the preset display layer is controlled to show that preview video picture is specially：Adjust described preset
The size of display layer is preset value；
The preset display layer is controlled to hide specially：The size for adjusting the preset display layer is 0.
It should be noted that above-mentioned preset value can be configured according to actual needs, can be for example 100*100 pixel
Point；The size of above-mentioned preset display layer is 0, i.e., preset display layer is shown as 1 pixel.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, it will preset
The size of display layer is adjusted to 100*100 pixel, so that the preview video picture on painting canvas passes through preset display layer
Shown.When background application receives the EVENT_CLOASE message of foreground application transmission, it will preset display layer
Size is adjusted to 1 pixel, so that the preview video picture on painting canvas can not be shown by preset display layer, i.e.,
User is without the preview video picture watched on painting canvas.
Further, based on 3rd embodiment, in the present embodiment, the size of the preset display layer is being adjusted for preset value
Or the size of the adjustment preset display layer is after 0, in addition to：
The position adjustment that the preset display layer is shown is to preset position.
, can be by adjusting preset display layer after the size for adjusting the preset display layer is preset value in the present embodiment
The position of display, preview video picture is shown and watched in place for user.When adjusting the big of the preset display layer
It is small to be after 0, therefore, can be by adjusting the position that preset display layer show because preset display layer also has 1 pixel, general
Preset display layer is placed on the border of viewing area, so as to preferably hide preset display layer.
The present invention also provides a kind of image display processor, for realizing the above method.Reference picture 2, Fig. 2 is the present invention
The structural representation of the embodiment of image display processor one.The image display processor that the present embodiment is provided includes：
Processing module 100, for when receiving the enabled instruction of user's input, controlling foreground application display control circle
Face, creates the painting canvas of the preview video picture for carrying camera acquisition, and the painting canvas is carried on into preset display layer；
In the present embodiment, above-mentioned image display processing method is applied in the electronic equipment with camera function, specifically,
When user opens camera function, i.e., enabled instruction is inputted to electronic equipment, will now start foreground application simultaneously and backstage should
With.One control interface is shown by foreground application, entrance is provided to camera control to user, for example, can be set in control interface
Camera is opened, camera is closed, exits the function buttons such as foreground application.The preset display layer is used to show that preview video is drawn
The preview screen in face, the position of its aspect can be configured according to actual needs.Specifically, above-mentioned preset display layer is linux
It is used for the display layer of display picture in system（Layer）, and different layers occupies different regions, and a upper display in video memory
Layer can block next display layer.In the present embodiment preferably, the preset display layer is the top layer of display layer, the i.e. preset display layer
For OVERLAY layers.OVERLAY layers are initialized by the processing module 100 in background application and create painting canvas, and sharing to bottom
The video data shown on internal memory transmission painting canvas.It should be noted that when receiving the enabled instruction of user's input, now may be used
Directly to open camera, and preset display layer is controlled to show preview video picture；Camera can also be directly opened, and is controlled
Preset display layer is hidden；Camera can not also be opened, and controls preset display layer to hide.
Control module 200, for the control instruction inputted according to user in the control interface, controls the preset display
Layer shows preview video picture or controls preset display layer to hide；
After display control interface, user can be controlled the input of instruction by control interface, such as when user's point
When camera is opened in impact, foreground application will send EVENT_OPEN message to background application in the form of EVENT message events, after
When platform application receives the EVENT_OPEN message, by control module 200 preset display layer will be controlled to show, so that painting canvas
On preview video picture shown by preset display layer.When user, which clicks on, exits foreground application, foreground application will be with
The form of EVENT message events sends EVENT_CLOASE message to background application, and background application receives the EVENT_
During CLOASE message, by control module 200 preset display layer will be controlled to hide so that the preview video picture on painting canvas without
Method shown by preset display layer, i.e., the preview video picture that user can not be watched on painting canvas.
Acquisition module 300, the preview video picture shown for obtaining on the painting canvas.
The call back function that acquisition module 300 in background application is provided by calling system framework obtains preview on painting canvas and regarded
The video data data of frequency picture, in the call back function, data and the wide w of video data, high h, form format etc.
WriteVideo functions are supplied to as the parameter of function, memory headroom is written to, then by way of shared drive, for bottom
Algorithm use, corresponding image procossing can be carried out.
The present invention carries painting canvas by the preset display layer of setting one, and by controlling the dispaly state of preset display layer, it is real
Show the display of preview screen and hide；So as to be grasped during foreground application with background application switching to painting canvas
Control, painting canvas is carried by preset display layer in real time, therefore prevents camera video data in front and back application display switching, is taken the photograph
As the action that head needs are opened or closed, so as to cause the problem of video data transmission is interrupted.
It should be noted that the mode that the above-mentioned preset display layer of control shows and hidden can be set according to actual needs
Put.In a second embodiment, can be by setting the display properties of preset display layer to be shown and hidden, in 3rd embodiment
In, can be by setting the size of preset display layer to be shown and hidden.This is described in detail below：
In a second embodiment, above-mentioned control module 200 controls the preset display layer to show that preview video picture is specific
For：It is display to set the display properties of the preset display layer；
The control module 200 controls the preset display layer to hide：The display of the preset display layer is set
Attribute is hiding.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, it will by controlling
The display properties of preset display layer is set to display by module 200（As show）, so that the preview video on painting canvas is drawn
Face is shown by preset display layer., will when background application receives the EVENT_CLOASE message of foreground application transmission
The display properties of preset display layer can be set to hide by control module 200（As hide）, so that pre- on painting canvas
Video pictures of looking at can not be shown that is, user is without the preview video picture watched on painting canvas by preset display layer.
In the third embodiment, above-mentioned control module 200 controls the preset display layer to show that preview video picture is specific
For：The size for adjusting the preset display layer is preset value；
The control module 200 controls the preset display layer to hide：Adjust the size of the preset display layer
For 0.
It should be noted that above-mentioned preset value can be configured according to actual needs, can be for example 100*100 pixel
Point；The size of above-mentioned preset display layer is 0, i.e., preset display layer is shown as 1 pixel.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, it will by controlling
The size of preset display layer is adjusted to 100*100 pixel by module 200, so that the preview video picture on painting canvas is logical
Preset display layer is crossed to be shown.When background application receives the EVENT_CLOASE message of foreground application transmission, it will by
The size of preset display layer is adjusted to 1 pixel by control module 200, so that the preview video picture on painting canvas can not
Shown by preset display layer, i.e., user is without the preview video picture watched on painting canvas.
Further, with reference to reference picture 3, Fig. 3 is the structural representation of another embodiment of image display processor of the present invention
Figure.Based on 3rd embodiment, in the present embodiment, above-mentioned image display processor also includes：
Adjusting module 400, for the position adjustment that shows the preset display layer to preset position.
In the present embodiment, after the size for adjusting the preset display layer is preset value, it can be adjusted by adjusting module 400
The position that preset display layer is shown, preview video picture is shown and watched in place for user.It is described preset when adjusting
The size of display layer is that after 0, because preset display layer also has 1 pixel, therefore, can adjust pre- by adjusting module 400
The position that display layer is shown is put, preset display layer is placed on to the border of viewing area, so as to preferably hide preset display
Layer.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of image display processing method, it is characterised in that comprise the following steps：
When receiving the enabled instruction of user's input, foreground application display control interface is controlled, is created for carrying camera
The painting canvas of the preview video picture of acquisition, and the painting canvas is carried on preset display layer；
The control instruction inputted according to user in the control interface, control the preset display layer show preview video picture or
Preset display layer is controlled to hide；
The video data of the preview video picture shown in the preset display layer of show or hide on painting canvas is obtained, with according to described
Video data carries out corresponding image procossing.
2. image display processing method as claimed in claim 1, it is characterised in that the preset display layer is the top of display layer
Layer.
3. image display processing method as claimed in claim 1, it is characterised in that the control preset display layer shows preview
Video pictures are specially：It is display to set the display properties of the preset display layer；
The preset display layer is controlled to hide specially：It is hiding to set the display properties of the preset display layer.
4. image display processing method as claimed in claim 1, it is characterised in that the control preset display layer shows preview
Video pictures are specially：The size for adjusting the preset display layer is preset value；
The preset display layer is controlled to hide specially：The size for adjusting the preset display layer is 0.
5. image display processing method as claimed in claim 4, it is characterised in that adjusting the size of the preset display layer
It is after 0 for the size of preset value or the adjustment preset display layer, in addition to：
The position adjustment that the preset display layer is shown is to preset position.
6. a kind of image display processor, it is characterised in that including：
Processing module, for when receiving the enabled instruction of user's input, controlling foreground application display control interface, creating and use
The painting canvas of the preview video picture obtained in carrying camera, and the painting canvas is carried on preset display layer；
Control module, for the control instruction inputted according to user in the control interface, controls the preset display layer to show
Preview video picture controls preset display layer to hide；
The video counts of the preview video picture shown in acquisition module, the preset display layer for obtaining show or hide on painting canvas
According to carry out corresponding image procossing according to the video data.
7. image display processor as claimed in claim 6, it is characterised in that the preset display layer is the top of display layer
Layer.
8. image display processor as claimed in claim 6, it is characterised in that the control module control is described preset aobvious
Show that layer shows that preview video picture is specially：It is display to set the display properties of the preset display layer；
The control module controls the preset display layer to hide：The display properties for setting the preset display layer is hidden
Hide.
9. image display processor as claimed in claim 6, it is characterised in that the control module control is described preset aobvious
Show that layer shows that preview video picture is specially：The size for adjusting the preset display layer is preset value；
The control module controls the preset display layer to hide：The size for adjusting the preset display layer is 0.
10. image display processor as claimed in claim 9, it is characterised in that described image display processing unit is also wrapped
Include：
Adjusting module, for the position adjustment that shows the preset display layer to preset position.
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| CN201310745341.7A CN103685963B (en) | 2013-12-30 | 2013-12-30 | image display processing method and device |
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|---|---|---|---|
| CN201310745341.7A CN103685963B (en) | 2013-12-30 | 2013-12-30 | image display processing method and device |
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| CN103685963B true CN103685963B (en) | 2017-07-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105630478B (en) * | 2014-12-01 | 2019-11-26 | 阿里巴巴集团控股有限公司 | A kind of method and apparatus for realizing page switching |
| CN104822077B (en) * | 2014-12-04 | 2019-01-08 | 腾讯科技（北京）有限公司 | The operation method and client of client |
| CN106161972A (en) * | 2016-09-30 | 2016-11-23 | 深圳天珑无线科技有限公司 | A kind of method and device of shooting |
| CN109714640B (en) * | 2017-10-26 | 2022-01-21 | 创盛视联数码科技（北京）有限公司 | Method for playing live video |
| CN107770449B (en) * | 2017-11-02 | 2020-03-27 | Oppo广东移动通信有限公司 | Continuous shooting method, electronic device and storage medium |
| CN108268350B (en) * | 2018-01-31 | 2021-04-09 | Oppo广东移动通信有限公司 | Control method and related product |
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