CN101968713B - Method for controlling three-dimensional switching of display interface - Google Patents

Abstract

The invention discloses a method for controlling the three-dimensional switching of a display interface, which can be applied in middle and low-grade hardware platforms. The method comprises the following steps: determining the horizontal and vertical coordinates of a first boundary point (F) according to the expressions shown in the specification, wherein when theta is greater than or equal to pi and less than 3pi/2, x is a negative value, when theta is greater than 3pi/2 and less than or equal to 2pi, x is a positive value, when theta is equal to 3pi/2, x is zero, y is minus b, a is L1/2, b is a value in the interval of (0, L2/2), and L1and L2 are respectively the pixel per inch (along the width direction) of an effective display area (ABCD) of a display screen and the pixel per inch (along the height direction) of the effective display area (ABCD); defining the horizontal and vertical coordinates (x, y') of a second boundary point (E), wherein x is the horizontal coordinate of the first boundary point (F), the vertical coordinate y' of the second boundary point (E) is a value in an interval of (0, L2-b); displaying a new display interface in a first tetragonum (JFEI), and displaying the original display interface in a second tetragonum (FKLE) by using an image compression method; and dereferencing pi in the interval of (pi, 2pi), determining one display status by one theta value, and sequentially displaying the display statuses in the effective display area (ABCD) of the display screen so as to realize the three-dimensional switching of the display interface.

Description

The three-dimensional method for handover control of display interface

Technical field

The present invention relates to display interface switching controls technical field, specifically is the three-dimensional method for handover control of a kind of display interface.

Background technology

The three-dimensional switching mode of rich and varied display interface has overcome the shortcoming of the inflexible effect that the conventional two-dimensional switching mode brings to the user, makes 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 three-dimensional method for handover control of the display interface 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, the three-dimensional method for handover control of a kind of display interface of simple possible is absolutely necessary.In the prior art at present, also do not see the three-dimensional method for handover control of the 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 three-dimensional method for handover control of display interface that can be applicable to the low and middle-end hardware platform is provided.

Technical scheme of the present invention is; The three-dimensional method for handover control of display interface of the present invention, will with the bottom of effective viewing area of display screen at a distance of for b and be parallel to following straight line and be defined as the X axle, this straight line is crossing with the left side and the right respectively; With crossing following mid point and being defined as the Y axle with the crossing vertical line in the top of effective viewing area; Set up rectangular coordinate system with said X axle and Y axle, in this rectangular coordinate system, by expression formula $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=-\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ π≤θ≤2 π,

Confirm the horizontal ordinate of first separation, when

The time, x is a negative value, when

The time, x be on the occasion of, when

The time, x gets 0, and y gets-b, and wherein, θ is rotated counterclockwise around an O for being initial line with line segment OK, is the angle that whole limit forms with line segment OF, and some O is the initial point of said rectangular coordinate system, a does

B is interval

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 the interval [0, L ₂-a value in b) is that the line segment that end points is formed by connecting is new display interface and old display interface separatrix with first separation and second separation;

Get 2 points on the on the left side from bottom to top in regular turn, be respectively first intersection point, second intersection point, go up on the right and get 2 points from bottom to top in regular turn, be respectively the 3rd intersection point, the 4th intersection point;

Utilize method for compressing image; New display interface is presented in these 4 first quadrilaterals that are formed by connecting of first intersection point, first separation, second separation and second intersection point, old display interface is presented in these 4 second quadrilaterals that are formed by connecting of first separation, the 3rd intersection point, the 4th intersection point and second separation;

To the θ value, each θ all confirms a show state in π≤θ≤2 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 ₂-2b+|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.

Said first intersection point and the 3rd intersection point are two intersection points that said X axle intersects with the left side and the right respectively.

Said second intersection point and the 4th intersection point are two intersection points that the straight line that is parallel to said X axle intersects with the left side and the right respectively, and the top of effective viewing area of said straight line and display screen is b apart.

After adopting said structure; The present invention compared with prior art; Have the following advantages: because of being that the line segment that end points is formed by connecting is that new display interface is confirmed by θ with old display interface separatrix with first separation and second separation, just can confirm first quadrilateral and second quadrilateral in conjunction with first intersection point, second intersection point, the 3rd intersection point and the 4th intersection point, the expression formula that is used to calculate is to obtain after the oval standard equation distortion; Simple variable is added simple expression formula and is made that the three-dimensional method for handover control of display interface of the present invention 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 the three-dimensional method for handover control of diplomatic copy invention display interface is carried out, and corresponding size of code significantly reduces, like this; The three-dimensional method for handover control of display interface of the present invention 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 ₂-2b+|y|, like this, the distance of first separation to following distance and second separation to the top equates, can make the three-dimensional switching of the old and new's display interface more true to nature, more helps the raising of performance of the present invention.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional method for handover control of display interface of the present invention.

Fig. 2 is the emulation view of the three-dimensional method for handover control of display interface of the present invention.

Embodiment

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

The three-dimensional method for handover control of display interface of the present invention; Will with the following AD of effective viewing area ABCD of display screen at a distance of being defined as the X axle for b and the straight line that is parallel to following AD; This straight line intersects with left side CD and the right AB respectively, with crossing following AD mid point and being defined as the Y axle with the crossing vertical line of the top BC of effective viewing area ABCD, sets up rectangular coordinate system with said X axle and Y axle; In this rectangular coordinate system, by expression formula $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=-\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ π≤θ≤2 π,

Confirm the horizontal ordinate of the first separation F, when

The time, x is a negative value, when

The time, x be on the occasion of, when The time, x gets 0, and y gets-b, and wherein, θ is rotated counterclockwise around an O for being initial line with line segment OK, is the angle that whole limit forms with line segment OF, and some O is the initial point of said rectangular coordinate system, a does

B is interval

In a value, in this example, b is 0.191L ₂, 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 the interval [0, L ₂-a value in b) is that the 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, and in this example, y` is L ₂-2b+|y|.

Utilize method for compressing image; New display interface is presented among the first quadrilateral JFEI that is formed by connecting the first intersection point J, the first separation F, the second separation E and these 4 of second intersection I, old display interface is presented among the second quadrilateral FKLE that is formed by connecting the first separation F, the 3rd intersection point K, the 4th intersection point L and these 4 of the second separation E;

To the θ value, each θ all confirms a show state in π≤θ≤2 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; Get that θ is respectively

to confirm five show states; Five show states are manifested in effective viewing area ABCD of display screen in regular turn just can realize that display interface is three-dimensional and switch; Certainly; It is many more that θ gets, and show state is just more, thereby three-dimensional switching of display interface also can be more continuous.

Except the viewing area of the first quadrilateral JFEI and the second quadrilateral FKLE, other viewing area of effective viewing area ABCD of said display screen shows on demand and gets 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 JFEI and the second quadrilateral FKLE; 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 JFEI new display interface, be used for showing that the quantity of the pixel of old display interface is presented among the second quadrilateral FKLE old display interface through minimizing.

In order more to clearly demonstrate said method for compressing image; Line segment FE prolonged obtain the 5th intersection point Z and the 6th intersection point W, like this, the 5th intersection point Z is divided into two sections of DZ and ZA with AD; The quantity of the pixel that DZ confirms is designated as α; The quantity of the pixel that ZA 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 ZA section, every provisional capital of first benchmark image of old display interface is divided into ZA section, and the pixel of getting right-hand member 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; Through above-mentioned variation, first benchmark image of old display interface compresses to the right, 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 DZ section; Every provisional capital of first benchmark image of new display interface is divided into DZ section; 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, and through above-mentioned variation, first benchmark image of new display interface compresses left.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 WZ; 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 to the right, obtain second benchmark image of image left after first benchmark image of said new display interface compresses, for old display interface as new display interface; Make the boost line UV parallel with AB; This UV and LE and KF 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 U`V` parallel with CD, this U`V` and IE and JF 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.

In this example, said first intersection point J and the 3rd intersection point K are two intersection points that said X axle intersects with left side CD and the right AB respectively.Said second intersection I and the 4th intersection point L are two intersection points that the straight line IL that is parallel to said X axle intersects with left side CD and the right AB respectively, and the top BC of effective viewing area ABCD of said straight line IL and display screen is b apart.

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 (7)

1. the three-dimensional method for handover control of a display interface; It is characterized in that, will with the bottom (AD) of effective viewing area (ABCD) of display screen at a distance of being defined as the X axle for b and the straight line that is parallel to bottom (AD), this straight line is crossing with the left side (CD) and the right (AB) respectively; To cross bottom's (AD) mid point and be defined as the Y axle with the crossing vertical line in top (BC) of effective viewing area (ABCD); Set up rectangular coordinate system with said X axle and Y axle, in this rectangular coordinate system, by expression formula $\left\{\begin{array}{c}x=\±\frac{\mathrm{Ab}}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\\ y=-\frac{\mathrm{Ab}\left|\mathrm{Tan}\mathrm{\θ}\right|}{\sqrt{b^2+a^2{\mathrm{Tan}}^2\mathrm{\θ}}}\end{array}\right.,$ π≤θ≤2 π, Confirm the horizontal ordinate of first separation (F), when

The time, x is a negative value, when

The time, x be on the occasion of, when

The time, x gets 0, and y gets-b, and wherein, θ is rotated counterclockwise around an O for being initial line with line segment OK, is the angle that whole limit forms with line segment OF, and some O is the initial point of said rectangular coordinate system, a does

B is interval

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 the interval [0, L ₂-a value in b) is that the line segment (FE) that end points is formed by connecting is new display interface and old display interface separatrix with first separation (F) and second separation (E);

Get 2 points on the on the left side (CD) from bottom to top in regular turn, be respectively first intersection point (J), second intersection point (I), get 2 points on the right on (AB) from bottom to top in regular turn, be respectively the 3rd intersection point (K), the 4th intersection point (L);

Utilize method for compressing image; New display interface is presented in first quadrilateral (JFEI) that is formed by connecting at first intersection point (J), first separation (F), second separation (E) and these 4 at second intersection point (I), old display interface is presented in second quadrilateral (FKLE) that is formed by connecting first separation (F), the 3rd intersection point (K), the 4th intersection point (L) and these 4 of second separations (E);

To the θ value, each θ all confirms a show state in π≤θ≤2 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 three-dimensional method for handover control of display interface according to claim 1; It is characterized in that θ is respectively

3. the three-dimensional method for handover control of display interface according to claim 1 is characterized in that b is 0.191L ₂

4. the three-dimensional method for handover control of display interface according to claim 1 is characterized in that y` is L ₂-2b+|y|.

5. the three-dimensional method for handover control of display interface according to claim 1; It is characterized in that; Said method for compressing image is meant; According to determined first quadrilateral (JFEI) and second quadrilateral (FKLE); 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 (JFEI) new display interface, be used for showing that the quantity of the pixel of old display interface is presented in second quadrilateral (FKLE) old display interface through minimizing.

6. the three-dimensional method for handover control of display interface according to claim 1 is characterized in that, said first intersection point (J) and the 3rd intersection point (K) be said X axle respectively with two crossing intersection points of the left side (CD) and the right (AB).

7. the three-dimensional method for handover control of display interface according to claim 1; It is characterized in that; Said second intersection point (I) and the 4th intersection point (L) for the straight line (IL) that is parallel to said X axle respectively with two crossing intersection points of the left side (CD) and the right (AB), and the top (BC) of said straight line (IL) and effective viewing area (ABCD) of display screen is b apart.

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