CN102541441B - Gradual change control method for transverse/vertical screen switch of handheld device - Google Patents
Gradual change control method for transverse/vertical screen switch of handheld device Download PDFInfo
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- CN102541441B CN102541441B CN2011103707453A CN201110370745A CN102541441B CN 102541441 B CN102541441 B CN 102541441B CN 2011103707453 A CN2011103707453 A CN 2011103707453A CN 201110370745 A CN201110370745 A CN 201110370745A CN 102541441 B CN102541441 B CN 102541441B
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000008859 change Effects 0.000 title claims abstract description 14
- 230000005484 gravity Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 abstract description 2
- 238000012935 Averaging Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000015654 memory Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention relates to a gradual change control method for transverse/vertical screen switch of a handheld device, which comprises performing sequential calculation according to setting times and successively displaying an upper-layer full back image with transparency AI ranging from = 0 to =1 and a lower-layer continuously blurry interface image before direction switching; freezing the screen to obtain an interface image after the direction switching; performing calculation and storage according to setting times and successively displaying an upper-layer full back image with transparency AI ranging from =1 to =0 and a stored lower-layer continuously clearing interface image after the direction switching in a reversed order; displaying the interface image after the direction switching and unfreezing the screen; and calculating pixel values and light intensity of four or eight pixel points of mixed peripheries, and performing averaging. The control method can perfectly link up rotating movements of users and provide the users realistic natural experience.
Description
Technical field
The present invention relates to computer man-machine interacting, be specifically related to a kind of gradual change control method for transverse/vertical screen switch of handheld device, especially be applied in and use on smart mobile phone.
Background technology
At present, the smart mobile phone of existing mobile terminal only has the horizontal/vertical screen handoff functionality not have the function that shows the switching animation in the horizontal/vertical screen switching.In screen orientation change situation, the animation effect that a switching is arranged, especially in the situation that gravity sensing has a natural rotation animation to coordinate the action of user's rotating mobile, the effect that just can not allow the user feel that the interface is stiff can be given the unlimited fine experience of user.But, present mobile phone or other handheld devices when horizontal/vertical screen switches all neither one perfectly be connected animation, perhaps also do not have this technology to be disclosed.
Summary of the invention
The technical issues that need to address of the present invention are, how a kind of gradual change control method for transverse/vertical screen switch of handheld device is provided, and the action that can coordinate the user to rotate handheld device provides the linking animation of a perfection, nature on device screen.
Technical matters of the present invention solves like this: build a kind of gradual change control method for transverse/vertical screen switch of handheld device, it is characterized in that, comprise the following steps:
1.2) sequentially calculate by set point number at the handheld device screen and successively show the two stacked images that add: upper tomographic image is that complete black figure, the lower image with transparency A I is with the interface image before the switching direction of sharpness; Described calculating comprises by set point number successively increases described transparency AI, from the beginning all-transparent A I=0 to last opaque A I=1; Described calculating also comprises hybrid processing: reset this pixel value that shows corresponding each pixel of lower image and brightness and make them equal respectively to show last time the pixel value of four or eight pixels of this pixel periphery of corresponding lower image and the mean value of brightness;
1.3) freeze screen, get the interface image after switching direction; Prevent in handoff procedure, touched or click screen by the user and trigger other work orders;
1.4) with the interface image before the described switching direction of the replacement of the interface image after described switching direction, sequentially carry out described calculating and storage by predetermined number of times, then backward shows successively until arrive described predetermined number of times;
1.5) showing the interface image after switching direction, screen thaws; Accept the user based on touch or the click commands of touch-screen.
According to control method provided by the invention, also comprise step 1.1): receiving horizontal/vertical screen switching message and judge whether it is the gravity sensing mode, is to enter step 1.2).
According to control method provided by the invention, described step 1.1) comprise that also judgement is not the gravity sensing mode, show the interface image after switching direction, skips steps 1.2)～1.5) directly finish.
According to control method provided by the invention, each display time intervals is 10-20 person of outstanding talent second.
According to control method provided by the invention, described set point number and predetermined number of times are 20-40 time, and set point number and predetermined number of times are preferably identical.
According to control method provided by the invention, described peripheral four is respectively the immediate pixel of upper and lower, left and right four direction.
According to control method provided by the invention, described peripheral four is respectively four immediate pixels of diagonally opposing corner direction.
According to control method provided by the invention, described eight pixels are upper and lower, left and right and four immediate pixels of diagonally opposing corner direction.
According to control method provided by the invention, it is rgb value that described pixel value includes, but are not limited to.
According to control method provided by the invention, described step 1.4) be included in described two and stackedly add interface image after the switching direction that superposes again under image as bottom image; Described step 1.5) comprise that hiding the described two stacked images that add shows described bottom image.
According to control method provided by the invention, each time of the present invention demonstration refreshes adopts two video memorys method of calling in turn, and this pair video memory is logical memory, and described calling in turn is the current video memory of switching address between two video memorys.
The gradual change control method for transverse/vertical screen switch of handheld device provided by the invention can arrive fuzzy, the fuzzy interface clearly of arriving again according to the action clear display of user's rotating mobile, has the following advantages than prior art:
1, can perfectly be connected user action, give the user entity induction with nature;
2, freeze screen, the touch-screen instruction in the shielding handoff procedure;
3, picture element matrix is carried out successively identical pixel value and brightness on average mixes calculating, calculate simple, process and show smooth;
4, two video memorys are processed, and animation are switched more smooth, the Dynamic continuous display better effects if.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is that horizontal/vertical screen of the present invention switches the ramp control schematic flow sheet;
Fig. 2 is Fuzzy Processing principle schematic of the present invention;
Fig. 3 is horizontal/vertical screen switching flow schematic diagram in the mobile phone of the specific embodiment of the invention;
Fig. 4 is Surface service schematic diagram under Android (Android) platform in the mobile phone of the specific embodiment of the invention;
Fig. 5 is the schematic flow sheet that creates the Surface service;
Fig. 6 is Surface Graphics Processing schematic flow sheet;
Fig. 7 is Surface display buffer schematic diagram;
Fig. 8 is Surface displaying principle schematic diagram.
Embodiment
At first, control method of the present invention and principle are described:
(1) control program
As shown in Figure 1, horizontal/vertical screen of the present invention switches the ramp control flow process, specifically comprises the following steps:
101) do you judge that according to gravity sensing screen orientation changes? be, enter next step, otherwise return to step 101);
102) according to the animation of original interface image broadcast from clear to fuzzy;
103) freeze screen, interface layout, get the interface image after switching direction;
104) play from fuzzy to animation clearly according to the interface image that gets, screen thaws.
(2) animation principle
2.1) the brightness gradual change principle
Be exactly to draw the figure of a RGB=black (0,0,0) in the draw method of display layer object layer, but it has a transparency AI, is exactly this RGB A I=(0,0,0, A I) when A I becomes 1, opaque is complete black the darkest; When becoming 0 be all-transparent, the brightest.
Become gradually large from bright value from 0 to 1 to being secretly A I
Diminish gradually from 1 to 0 from dark value to the bright A of being I.
2.2) the sharpness fuzzy theory
As shown in Figure 2, the pixel 5 of picture element matrix the inside in figure, it is (also can get the pixel of other four peripheries or the pixel of eight peripheries) of being come by the pixel value mixing of the pixel 1,2,3,4 of periphery:
5A?II＝(1A2+2A2+3A2+4A2)/4
5R＝(1R+2R+3R+4R)/4
5G＝(1G+2G+3G+4G)/4
5B＝(1B+2B+3B+4B)/4
Wherein: A II is brightness, and R is red, and G is green, and B is blue, and 1-5 is each pixel in pel array shown in Figure 2.
The second, the application in conjunction with the inventive method in mobile phone further describes:
As shown in Figure 3, horizontal/vertical screen switching controls flow process in the smart mobile phone of the specific embodiment of the invention specifically comprises the following steps:
301) operating system receives horizontal/vertical screen switching message;
302) do you judge that it is to use the gravity sensing mode that horizontal/vertical screen switches message? be to enter next step, otherwise directly enter step 307);
303) demonstrate the upper tomographic image of controlling brightness and the lower image of controlling blur level by the Show method; The upper strata is all black picture that constantly reduces transparency A I (0 → 1), and lower floor is the original interface image that constantly increases the hybrid processing number of times;
304) judge whether to arrive set point number? be to enter next step, otherwise return to step 303);
305) operating system is freezed screen and window;
306) interface layout, get after switching direction interface image and as bottom image; Call and play rotation animation subroutine;
307) demonstrate the upper tomographic image of controlling brightness and the lower image of controlling blur level by the Show method; The upper strata is all black picture of A I (1 → 0) of constantly increasing transparency, and lower floor is the interface image after the switching direction of the continuous minimizing hybrid processing number of times of storage in advance;
308) judge whether to arrive predetermined number of times? be to enter next step, otherwise return to step 307);
309) hide the upper tomographic image of controlling brightness and the lower image of controlling blur level, show capped bottom image;
310) operating system sends the on-screen message of thawing, and screen thaws.
The 3rd, the realization of specific embodiment under the Android platform of using in mobile phone in conjunction with the inventive method further describes again:
This embodiment gradual change is divided into two steps, and one is from clear to fuzzy, and another is from fuzzy to clear, and these effects all serve to realize by surface.
Be to have called function F irstRotate () before freezing screen from clear to fuzzy, to want clear be that release trigger process RotateThread calls after thawing from fuzzy.
As shown in Figure 4, the RotateThread process is that an infinite loop is processed surface change processing clearly, the triggering of this surface of handlebar lock control before it.After release allows lock in RotateThread untie after thawing, surface does conversion from fuzzy to clear, and last clear rear shadow is hidden this surface.
Realizing controlling surface gradual change processing specifically comprises:
(1) create the surface object
The method that the establishment of Surface need to be called inside the surfaceflinger object creates, and as shown in Figure 5, the process that creates Surface was divided into for two steps basically:
A) set up the SurfaceSession object
the common Exactly-once of the first step, purpose is the example that creates a SurfaceComposerClient, the JAVA layer calls local code by JNI, local code creates the example of a SurfaceComposerClient, SurfaceComposerClient is by the createConnection of ISurfaceComposer interface interchange SurfaceFlinger, SurfaceFlinger returns to an ISurfaceFlingerClient interface to SurfaceComposerClient, in the process of createConnection, SurfaceFlinger has created and has been used for the SharedClient that the management buffer zone switches, at last, this stratum returns to the JAVA layer to the example of SurfaceComposerClient, complete the foundation of SurfaceSession.
B) utilize SurfaceSession Object Creation Surface
the JAVA layer calls local code Surface_Init () by JNI, at first local code obtains the SurfaceComposerClient example that the first step creates, pass through SurfaceComposerClient, call the createSurface method of ISurfaceFlingerClient interface, enter SurfaceFlinger, SurfaceFlinger is according to parameter, create dissimilar Layer, then call the setBuffers () method of Layer, for this Layer has created two buffer zones, then return to the ISurface interface of this Layer, SurfaceComposerClient uses this ISurface interface to create a SurfaceControl example, and this SurfaceControl is returned to the JAVA layer.
(2) procedure for displaying of Surface object is processed
as shown in Figure 6, beginning is before Surface draws, Surface.java can first call lockCanvas () obtain the drawing Canvas of operation, lockCanvas can further call the Surface_lockCanvas on this stratum, the SurfaceControl object that local code utilizes the JAVA layer to import into, obtain the Surface object on this stratum by getSurface (), then call the lock () method of this Surface object, lock () has returned to the information that changes Surface, comprising the first address vaddr of available buffer, this vaddr is in the 2D of Android shape library Skia, created a bitmap, then the API:Canvas.setBitmapDevice (bitmap) by Canvas in the Skia storehouse, this bitmap is tied in Canvas, at last this Canvas is returned to the JAVA layer, the JAVA layer operation of just can drawing on this Canvas like this, and in the final buffer zone that all can be drawn in take vaddr as first address of these operations of drawing.
In the lock of Surface object () method:
DequeueBuffer (﹠amp; BackBuffer) obtain backBuffer
SharedBufferClient-＞dequeue () obtains the numbering of current freebuf
Number by buffer zone and obtain real GraphicBuffer:backBuffer
If also the buffer in Layer is not shone upon (Mapper), getBufferLocked remaps again by the ISurface interface
Obtain frontBuffer
According to the renewal of two Buffer zone, the content of frontBuffer is copied in backBuffer, guaranteed like this synchronous of displaying contents in two Buffer
BackBuffer-＞lock () obtains the first address vaddr of backBuffer buffer zone
Return to vaddr by the info parameter
(3) display buffer corresponding to release Surface object
As shown in Figure 7, after picture is completed, want the content of Surface is shown on screen, need to discharge the buffer zone of binding in Canvas, and can deliver this buffer zone from becoming (because acquiescence only has two buffer, so be exactly in fact to have become frontBuffer), the worker thread of SurfaceFlinger can be in suitable refreshing constantly, frontBuffer all in system is mixed, then flush on screen by OpenGL.
The corresponding layer object of Surface object, as above figure has had individual Layer object to come specific implementation to draw at bottom after creating surface, and the draw method of layer needs surface by eglSwapBuffer, image to be shown to screen after the thing DSR of picture and gets on.
Clear to the fuzzy and fuzzy animation clearly that arrives
Because in Android system each window corresponding a layer, the draw method of layer the inside is exactly to realize the drafting of window.
Realize clear to fuzzy or fuzzy be all at the original fuzzy layer of window upper cover last layer to clear concrete method, layer the inside realizes that the draw method removes to draw the fuzzy figure of one deck, and the drafting of all controlling the draw the inside from clear to fuzzy or from fuzzy to clear reaches.
The specific implementation key of fuzzy layer is the drafting of draw the inside
Control the fuzzy dual mode stack that has, a kind of is the transparency of controlling layer, and another is the blur level of controlling layer.These two kinds of effects combine use can be clear in fuzzy, while it is dimmed to fog; , brighten while become clear to clearly the time fuzzy, so just can realize the effect of well going through the motions.
Be exactly to draw the figure of a RGB=black (0,0,0) in the draw of layer, but it having a transparency A I, is exactly that this RGB A I=(0,0,0, A I) deceives entirely, is all-transparent when becoming 0
Become gradually large from bright value from 0 to 1 to being secretly A I
Diminish gradually from 1 to 0 from dark value to the bright A of being I
1. obtain the picture below current layer
2. this picture is carried out Fuzzy Processing
3. with the picture draw after Fuzzy Processing out
By function glReadPixels (X, Y, w, h, mReadFormat, mReadType, pixels);
Can obtain the pixel at interface, leave the pixels the inside in
We then process according to the pixel inside pixels, allow him realize fuzzy effect.
This be call function status_t blurFilter (
GGLSurface?const＊image，
int?kernelSizeUser，
Int repeat) realize
The picture that object image gets before being exactly is exactly design sketch after obfuscation with directly taking image after the picture obfuscation.
The concrete principle that realizes is the pixel of each pixel periphery inside this picture element matrix of image to be mixed get a new pixel
The pixel in Fig. 25 for example, it is the pixel 1 by periphery, 2,3,4 pixel value mixes and comes, if this scope wider it will become fuzzyyer, be exactly that last parameter of function blurFilter the inside is mixed number of times repeat, when its larger image of value is fuzzyyer, its value is more little more clear.
5A?II＝(1A2+2A2+3A2+4A2)/4
5R＝(1R+2R+3R+4R)/4
5G＝(1G+2G+3G+4G)/4
5B＝(1B+2B+3B+4B)/4
From fuzzy to clear: the Alpha value diminishes, and the repeat value also diminishes;
From clear to fuzzy: the Alpha value becomes large, and it is large that the repeat value also becomes.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (10)
1. the gradual change control method for transverse/vertical screen switch of a handheld device, is characterized in that, comprises the following steps:
1.2) sequentially calculate by set point number at the handheld device screen and successively show the two stacked images that add: upper tomographic image is that complete black figure, the lower image with transparency A I is with the interface image before the switching direction of sharpness; Described calculating comprises by set point number successively increases described transparency A
I, from the beginning all-transparent A I=0 to last opaque A I=1; Described calculating also comprises hybrid processing: reset this pixel value that shows corresponding each pixel of lower image and brightness and make them equal respectively to show last time the pixel value of four or eight pixels of this pixel periphery of corresponding lower image and the mean value of brightness;
1.3) freeze screen, get the interface image after switching direction;
1.4) with the interface image before the described switching direction of the replacement of the interface image after described switching direction, sequentially carry out described calculating and storage by predetermined number of times, then backward shows successively until arrive described predetermined number of times;
1.5) showing the interface image after switching direction, screen thaws.
2. control method according to claim 1, is characterized in that, also comprises step 1.1): receiving horizontal/vertical screen and switch message and judge whether it is the gravity sensing mode, is to enter step 1.2).
3. control method according to claim 2, is characterized in that described step 1.1) comprise that also judgement is not the gravity sensing mode, show the interface image after switching direction, skips steps 1.2)～1.5) directly finish.
4. control method according to claim 1, is characterized in that, each display time intervals is 10-20 person of outstanding talent millisecond.
5. control method according to claim 1, is characterized in that, described set point number and predetermined number of times are 20-40 time.
6. control method according to claim 1, is characterized in that, described peripheral four is respectively the immediate pixel of upper and lower, left and right four direction.
7. control method according to claim 1, is characterized in that, described peripheral four is respectively four immediate pixels of diagonally opposing corner direction.
8. control method according to claim 1, is characterized in that, described eight pixels are upper and lower, left and right and four immediate pixels of diagonally opposing corner direction.
9. control method according to claim 1, is characterized in that, described pixel value is rgb value.
10. control method according to claim 1, is characterized in that described step 1.4) be included in described two and stackedly add interface image after the switching direction that superposes again under image as bottom image; Described step 1.5) comprise that hiding the described two stacked images that add shows described bottom image.
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| CN104166512A (en) * | 2013-05-16 | 2014-11-26 | 百度在线网络技术（北京）有限公司 | Method and device for processing object switching of touch screen terminal |
| JP6161400B2 (en) * | 2013-05-17 | 2017-07-12 | キヤノン株式会社 | Video playback apparatus and control method thereof |
| CN104657060B (en) * | 2013-11-19 | 2019-07-23 | 腾讯科技（深圳）有限公司 | The method and device of photograph album is checked on a kind of mobile terminal |
| CN104301628A (en) * | 2014-09-30 | 2015-01-21 | 北京金山安全软件有限公司 | Method and device for carrying out dynamic blurring on image and electronic equipment |
| CN104992412A (en) * | 2015-06-10 | 2015-10-21 | 北京金山安全软件有限公司 | Picture gradual change method and device |
| CN105868674A (en) * | 2015-12-15 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Two-dimensional code scanning processing method and apparatus |
| CN105719332B (en) | 2016-01-20 | 2019-02-19 | 阿里巴巴集团控股有限公司 | The implementation method and device of animation between color is mended |
| CN106469058B (en) * | 2016-08-31 | 2019-01-29 | 维沃移动通信有限公司 | A kind of unlocking screen method and mobile terminal |
| CN107608650B (en) * | 2017-09-18 | 2020-09-29 | 北京京东尚科信息技术有限公司 | Graph display method and system and electronic equipment |
| CN109582427B (en) * | 2018-12-06 | 2022-03-11 | 深圳市优创亿科技有限公司 | TFT screen display method of wearable device |
| CN109948377B (en) * | 2019-03-28 | 2021-12-24 | 联想(北京)有限公司 | Display control method and device and electronic equipment |
| CN114640743B (en) * | 2020-12-15 | 2023-10-13 | 华为技术有限公司 | Interface dynamic effect display method, electronic equipment and storage medium |
| CN117376659A (en) * | 2022-06-30 | 2024-01-09 | 华为技术有限公司 | Display method and related device |
| CN117149320A (en) * | 2022-08-09 | 2023-12-01 | 惠州Tcl移动通信有限公司 | Interface display method, device, computer equipment and storage medium |
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| US9298336B2 (en) * | 2009-05-28 | 2016-03-29 | Apple Inc. | Rotation smoothing of a user interface |
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| CN101930367A (en) * | 2010-08-25 | 2010-12-29 | 中兴通讯股份有限公司 | Implementation method of switching images and mobile terminal |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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