CN102024247B - Control method for realizing switching of old and new display interfaces - Google Patents

Abstract

The invention discloses a control method for realizing the switching of old and new display interfaces, which is suitable for middle-end and low-end hardware platforms. The control method comprises the following steps of: determining horizontal and vertical coordinates of a first demarcation point (F) through an equation set in the specification, wherein theta is more than or equal to 0 and less than or equal to Pi and is not equal to half of Pi, x is a positive value when theta is more than or equal to 0 and less than half of Pi, x is a negative value when theta is more than half of Pi and less than or equal to Pi, x is equal to 0 and y is equal to b when theta is equal to half of Pi, a is L1/2, b is one value of an interval (0, L2), and L1 and L2 are respectively the pixel numbers of an effective display area (ABCD) of a display screen in a width direction and a height direction; defining the horizontal and vertical coordinates of a second demarcation point (E) as (x, y'), wherein x is the horizontal coordinate of the first demarcation point (F), and the vertical coordinate y' of the second demarcation point (E) is one value of an interval (y, L2); displaying the new display interface in a first quadrangle (BAFE) and the old display interface in a second quadrangle (CDFE) by utilizing an image compression method; selecting a value for theta from 0 to pi, wherein each theta determines a display state, and the display states are sequentially displayed in the effective display area (ABCD) of the display screen to realize the three-dimensional switching of the old and new display interfaces.

Description

Be used to realize the control method of the old and new's display interface switching

Technical field

The present invention relates to display interface switching controls technical field, specifically is a kind of control method that is used to realize the switching of the old and new's display interface.

Background technology

The three-dimensional switching mode of rich and varied display interface has overcome the inflexible effect that the conventional two-dimensional switching mode is brought to the user; Make the handoff procedure of display interface natural more, affinity is arranged; Thereby reach gratifying visual effect; The three-dimensional switching mode of said display interface is meant, with the Three-Dimensional Dynamic variation pattern (such as interiorly turn over, turn up, distortion etc.) accomplish new display interface and replace old display interface.Yet; The three-dimensional switching mode of existing display interface is generally based on the control method that realizes that the old and new's display interface switches of being used to of complicacy; Like this; The three-dimensional switching mode of existing display interface is when bringing magnificent visual experience to the user; Need hardware such as high speed processor and high capacity memory as its base layer support; Such as smart mobile phone, personal computer etc., the cost of equipment of three-dimensional switching mode that therefore has display interface is higher, the application of the three-dimensional switching mode that higher cost has hindered display interface on the low and middle-end hardware platform that only has low hardware supports ability (processor of low arithmetic capability and than the storer of low capacity etc.); In order to make medium and low-end users also can have the outstanding experience of the three-dimensional switching mode of display interface, being used to of a kind of simple possible realizes that the control method that the old and new's display interface switches is absolutely necessary.In the prior art at present, also do not see the control method that is used to realize the switching of the old and new's display interface that can be applicable to said low and middle-end hardware platform.

Summary of the invention

The technical matters that the present invention will solve is that a kind of control method that is used to realize the switching of the old and new's display interface that can be applicable to the low and middle-end hardware platform is provided.

Technical scheme of the present invention is; The present invention is used to realize the control method that the old and new's display interface switches, and is the X axle with the effective viewing area bottom of display screen, crosses following mid point and sets up rectangular coordinate system with the vertical line that intersect the top of effective viewing area for the Y axle; In this rectangular coordinate system, by expression formula $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ 0≤θ≤π,

Confirm the horizontal ordinate of first separation, when

The time, x be on the occasion of, when

The time, x is a negative value, when

The time, x gets 0, and y gets b, and wherein, a does

B be interval (0, L ₂) in a value, said L ₁And L ₂Be respectively pixel count and the pixel count of short transverse of Width of effective viewing area of display screen; The horizontal ordinate that defines second separation for (x, y`), x is the horizontal ordinate of first separation, the ordinate y` of second separation be interval (y, L ₂) in a value, be that line segment that end points is formed by connecting is new display interface and old display interface separatrix with first separation and second separation;

Utilize method for compressing image; New display interface is presented at by the upper extreme point on the right, effective viewing area of display screen and the lower extreme point on the right; And first in separation and these 4 first quadrilaterals that are formed by connecting of second separation; Old display interface is presented at by the upper extreme point on the left side, effective viewing area of display screen and the lower extreme point on the left side, and in first separation and these 4 second quadrilaterals that are formed by connecting of second separation;

To the θ value, each θ all confirms a show state in 0≤θ≤π, and each show state manifests in effective viewing area of display screen in regular turn realizes the three-dimensional switching of display interface.

θ is respectively B is 0.191L ₂Y` is L ₂-y.

Said method for compressing image is meant; According to determined first quadrilateral and second quadrilateral; Be used for the quantity of pixel of display image with vertical direction in the horizontal direction and realize that new display interface expansion compresses with old display interface through controlling old display interface and new display interface; Promptly be used for showing that through increase the quantity of the pixel of new display interface is presented in first quadrilateral new display interface, be used for showing that the quantity of the pixel of old display interface is presented in second quadrilateral old display interface through minimizing.

After adopting said structure; The present invention compared with prior art has the following advantages: because first quadrilateral and second quadrilateral are definite by θ, and the expression formula that is used to calculate is to obtain after the oval standard equation distortion; Unitary variant is added simple expression formula makes the present invention be used to realize that the control method of the old and new's display interface switching is very low to the requirement of the arithmetic capability of processor; Simultaneously simple control procedure has been simplified greatly and has been used for the programming operation that control method that the diplomatic copy invention is used to realize that the old and new's display interface switches is carried out, and corresponding size of code significantly reduces, like this; The control method that the present invention is used to realize the switching of the old and new's display interface is when reducing hardware requirement; Improved code and carried out efficient and reliability, reduced energy consumption, so the present invention has the advantage that can be applicable to the low and middle-end hardware platform.

As improvement, said y` is L ₂-y, like this, first quadrilateral and second quadrilateral are isosceles trapezoid, make the three-dimensional switching of the old and new's display interface more true to nature, more help the raising of performance of the present invention.

Description of drawings

Fig. 1 is the schematic diagram that the present invention is used to realize the control method that the old and new's display interface switches.

Fig. 2 is the emulation view that the present invention is used to realize the control method that the old and new's display interface switches.

Embodiment

Below in conjunction with accompanying drawing the present invention is described further.

The present invention is used to realize the control method of the old and new's display interface switching; Following AD with effective viewing area ABCD of display screen is the X axle; Cross following AD mid point and set up rectangular coordinate system for the Y axle, in this rectangular coordinate system, by expression formula with the crossing vertical line of the top BC of effective viewing area ABCD $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ 0≤θ≤π,

Confirm the horizontal ordinate of the first separation F, when The time, x be on the occasion of, when

The time, x is a negative value, when The time, x gets 0, and y gets b; Wherein, θ is rotated counterclockwise around an O for being initial line with line segment OA; With line segment OF is the angle that whole limit forms, and some O is the initial point of said rectangular coordinate system, and line segment OA is the line of lower extreme point on the right of effective viewing area of initial point and the display screen of rectangular coordinate system; Line segment OF is the initial point of rectangular coordinate system and the line of first separation, and a does

B be interval (0, L ₂) in a value, said L ₁And L ₂Be respectively pixel count and the pixel count of short transverse of Width of effective viewing area ABCD of display screen; Be the pixel count of following AD and the pixel count of the right AB; And following AD equates with top BC, and the right AB equates that with left side CD effectively viewing area ABCD is a rectangle;

The horizontal ordinate that defines the second separation E for (x, y`), x is the horizontal ordinate of the first separation F, the ordinate y` of the second separation E be interval (y, L ₂) in a value, be that line segment FE that end points is formed by connecting is new display interface and old display interface separatrix with the first separation F and the second separation E;

Utilize method for compressing image; New display interface is presented at by the upper extreme point B of the right AB of effective viewing area ABCD of display screen and the lower extreme point A of the right AB; And first among the first quadrilateral BAFE that is formed by connecting of separation F and these 4 of the second separation E; Old display interface is presented at by the upper extreme point C of the left side CD of effective viewing area ABCD of display screen and the lower extreme point D of left side CD, and among the second quadrilateral CDFE that is formed by connecting of the first separation F and these 4 of the second separation E;

To the θ value, each θ all confirms a show state in 0≤θ≤π, and each show state manifests in effective viewing area ABCD of display screen in regular turn realizes the three-dimensional switching of display interface.Specifically shown in Fig. 1 or 2.

In this example, θ is respectively

B is 0.191L ₂, y` is L ₂-y.

As can be seen from Figure 2; Variation along with θ; The present invention is used to realize that the control method that the old and new's display interface switches can realize the effect that the old and new's display interface inwardly overturns and switches, in other words, and as if the words that the old and new's display interface respectively likened to Yishanmen; Old display interface is similar to an effect of inwardly opening of closing, and new display interface is similar to the outside effect of closing of the door of inwardly opening.

Except the viewing area of the first quadrilateral BAFE and the second quadrilateral CDFE, other viewing area BCE of effective viewing area ABCD of said display screen and ADF show on demand and get final product that such as being black or white etc. entirely, prior art can realize, does not add and gives unnecessary details.

Said method for compressing image is meant; According to the determined first quadrilateral BAFE and the second quadrilateral CDFE; Be used for the quantity of pixel of display image with vertical direction in the horizontal direction and realize that new display interface expansion compresses with old display interface through controlling old display interface and new display interface; Promptly be used for showing that through increase the quantity of the pixel of new display interface is presented among the first quadrilateral BAFE new display interface, be used for showing that the quantity of the pixel of old display interface is presented among the second quadrilateral CDFE old display interface through minimizing.

In order more to clearly demonstrate said method for compressing image; Line segment FE prolonged obtain intersection point H, like this, intersection point H is divided into two sections of DH and HA with AD; The quantity of the pixel that DH confirms is designated as α; The quantity of the pixel that HA confirms is designated as β, and the quantity of the pixel of the Width of effective viewing area ABCD of display screen can be known from preceding text, should be L ₁, so, take the capture vegetarian refreshments with the complete image that is presented at effective viewing area ABCD of old display interface as first benchmark image of old display interface, with L ₁Be divided into DH section, every provisional capital of first benchmark image of old display interface is divided into DH section, and the pixel of getting left end in each section is continuous pixel as keeping pixel and being moved to the left to make to draw in; The rest of pixels point is cast out; Through above-mentioned variation, first benchmark image of old display interface compresses left, and is same; Take the capture vegetarian refreshments with the complete image that is presented at effective viewing area ABCD of new display interface as first benchmark image of new display interface, with L ₁Be divided into HA section; Every provisional capital of first benchmark image of new display interface is divided into HA section; The pixel of getting left end in each section is continuous pixel as keeping pixel and moving right to make to draw in; The rest of pixels point is cast out, and through above-mentioned variation, first benchmark image of new display interface compresses to the right.Like this; Just accomplished old display interface and new display interface compression in the horizontal direction, and visual effect is exactly new display interface expansion, and old display interface is compressed; The separatrix is line segment FE place straight line; In fact, in processing procedure, the old and new's display interface all is to be that reference picture is compressed with first benchmark image separately.

And for the compression of vertical direction; Obtain image second benchmark image as old display interface after compressing with first benchmark image of said old display interface left, obtain second benchmark image of image to the right after first benchmark image of said new display interface compresses, for old display interface as new display interface; Make the boost line PS parallel with CD; This PS and CE and DF respectively have an intersection point, are respectively Q and R, like this; QR has confirmed the quantity of the pixel that the second benchmark image vertical direction of old display interface should keep; QR confirms that the quantity of pixel is designated as γ, and the quantity of the pixel of the short transverse of effective viewing area ABCD of display screen can be known from preceding text, should be L ₂, with L ₂Be divided into QR section, each section is divided into two, promptly is positioned at one of the top of line of symmetry up and down of effective viewing area ABCD with the below one; The pixel of the upper end of fetch bit in each section of one of top is continuous pixel as keeping pixel and moving to make to draw in to the centre, and the pixel of the lower end of fetch bit in each section of one of below is continuous pixel as keeping pixel and moving to make to draw in to the centre, and the rest of pixels point is cast out; Every row of second benchmark image of old display interface are all handled like this, and through above-mentioned variation, second benchmark image of old display interface is to intermediate compression; It is the compression of second benchmark image realization vertical direction of old display interface; Equally, make the boost line P`S` parallel with AB, this P`S` and BE and AF respectively have an intersection point; Be respectively Q` and R`; Like this, Q`R` has confirmed the quantity of the pixel that the second benchmark image vertical direction of new display interface should keep, and Q`R` confirms that the quantity of pixel is designated as δ; And the quantity of the pixel of the short transverse of effective viewing area ABCD of display screen can be known from preceding text, should be L ₂, with L ₂Be divided into Q`R` section; Each section is divided into two; Promptly be positioned at one of the top of line of symmetry up and down of effective viewing area ABCD with the below one; The pixel of the upper end of fetch bit in each section of one of top is continuous pixel as keeping pixel and moving to make to draw in to the centre, and the pixel of the lower end of fetch bit in each section of one of below is continuous pixel as keeping pixel and moving to make to draw in to the centre, and the rest of pixels point is cast out; Every row of second benchmark image of new display interface are all handled like this; Through above-mentioned variation, second benchmark image of new display interface is to intermediate compression, and promptly second benchmark image of new display interface is realized the compression of vertical direction.

Through the processed compressed of above-mentioned horizontal direction and vertical direction, just can be used for the quantity of pixel of display image with vertical direction in the horizontal direction and realize that new display interface expansion compresses with old display interface through controlling old display interface and new display interface.

For the technical scheme of knowing that explaination the present invention is contained; Directivity described in the literary composition is described (following AD, top BC or the like); All being based on the direction that effective viewing area ABCD of display screen is placed in the accompanying drawing describes; Therefore, all various variations of in the protection domain of independent claims of the present invention, being done are all in protection scope of the present invention.

Claims (5)

1. control method that is used to realize that the old and new's display interface switches; It is characterized in that; Bottom (AD) with effective viewing area (ABCD) of display screen is the X axle; Cross following (AD) mid point and set up rectangular coordinate system for the Y axle, in this rectangular coordinate system, by expression formula with the crossing vertical line in the top (BC) of effective viewing area (ABCD) $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ 0≤θ≤π,

Confirm the horizontal ordinate of first separation (F), when

The time, x be on the occasion of, when The time, x is a negative value, when The time, x gets 0, and y gets b; Wherein, θ is rotated counterclockwise around an O for being initial line with line segment OA; With line segment OF is the angle that whole limit forms, and some O is the initial point of said rectangular coordinate system, and line segment OA is the line of lower extreme point on the right of effective viewing area of initial point and the display screen of rectangular coordinate system; Line segment OF is the initial point of rectangular coordinate system and the line of first separation, and a does B be interval (0, L ₂) in a value, said L ₁And L ₂Be respectively pixel count and the pixel count of short transverse of Width of effective viewing area (ABCD) of display screen;

The horizontal ordinate that defines second separation (E) for (x, y`), x is the horizontal ordinate of first separation (F), the ordinate y` of second separation (E) be interval (y, L ₂) in a value, be that the line segment (FE) that is formed by connecting of end points is new display interface and old display interface separatrix with first separation (F) and second separation (E);

Utilize method for compressing image; New display interface is presented at by the upper extreme point (B) on the right (AB) of effective viewing area (ABCD) of display screen and the lower extreme point (A) of the right (AB); And first in first quadrilateral (BAFE) that is formed by connecting of separation (F) and these 4 of second separations (E); Old display interface is presented at by the upper extreme point (C) on the left side (CD) of effective viewing area (ABCD) of display screen and the lower extreme point (D) of the left side (CD), and in second quadrilateral (CDFE) that is formed by connecting of first separation (F) and these 4 of second separations (E);

To the θ value, each θ all confirms a show state in 0≤θ≤π, and each show state manifests in effective viewing area of display screen (ABCD) in regular turn realizes the three-dimensional switching of display interface.

2. the control method that is used to realize the switching of the old and new's display interface according to claim 1; It is characterized in that θ is respectively

3. the control method that is used to realize the switching of the old and new's display interface according to claim 1 is characterized in that b is 0.191L ₂

4. the control method that is used to realize the switching of the old and new's display interface according to claim 1 is characterized in that y` is L ₂-y.

5. the control method that is used to realize the switching of the old and new's display interface according to claim 1; It is characterized in that; Said method for compressing image is meant; According to determined first quadrilateral (BAFE) and second quadrilateral (CDFE); Be used for the quantity of pixel of display image with vertical direction in the horizontal direction and realize that new display interface expansion compresses with old display interface through controlling old display interface and new display interface; Promptly be used for showing that through increase the quantity of the pixel of new display interface is presented in first quadrilateral (BAFE) new display interface, be used for showing that the quantity of the pixel of old display interface is presented in second quadrilateral (CDFE) old display interface through minimizing.

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