CN102156556B - Method for realizing cursor quick sliding of blue-ray player - Google Patents
Method for realizing cursor quick sliding of blue-ray player Download PDFInfo
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- CN102156556B CN102156556B CN2011100896754A CN201110089675A CN102156556B CN 102156556 B CN102156556 B CN 102156556B CN 2011100896754 A CN2011100896754 A CN 2011100896754A CN 201110089675 A CN201110089675 A CN 201110089675A CN 102156556 B CN102156556 B CN 102156556B
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- 230000033001 locomotion Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 3
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Abstract
The invention provides a method for realizing cursor quick sliding of blue-ray player. The method comprises the following steps: 1, receiving a keying signal; 2, acquiring coordinates of a current position; 3, acquiring coordinates of the position of a target cursor; 4, calculating the distance S that the coordinates of the current position moves to the coordinates of the target position, and setting a high-speed moving distance to be S1 and a speed-reduced moving distance to be S2; 5, determining whether the S1 is zero or not, executing step 8 if the S1 is zero, otherwise executing step 6; 6, moving the cursor to next position at a constant speed; 7, determining whether the distance S1 is moved or not, executing step 8 if the S1 is moved, otherwise executing the step 6 once again until the distance S1 is moved; 8, moving the cursor to the next position at a decreased speed; and 9, determining whether the distance S2 is moved or not, if the distance S2 is not moved, executing the step 8 once again until the distance S2 is moved completely, and finishing the sliding procedure when the distance S2 is moved completely and the target position is reached. By the method, the cursor has high moving speed, and the use efficiency is high.
Description
Technical field
The present invention relates to a kind of cursor sliding method, particularly relate to a kind of method that realizes the cursor quick sliding of Blu-ray player.
Background technology
When the dummy keyboard operation of traditional Blu-ray player showed, the many employings of dummy keyboard operation telepilot was controlled highlighted cursor and is moved on the virtual key that needs, and then presses acknowledgement key and chooses this button to input.General cursor need to be through the process of accelerating first to slow down again when mobile.This move mode need to expend the more time.For Blu-ray player, the speed of key response is most important, and the user wishes to push button and just sees clearly effect, adds people's vision hysteresis quality, chooses the position so that cursor can not be positioned at button fast.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method that realizes the cursor quick sliding of Blu-ray player is provided, make the effect of the highlighted cursor movement of Blu-ray player quicker, and the mode of motion in decelerating phase makes the user feel mobile level and smooth stable, make button that the user utilizes telepilot and external connection keyboard directly fast during input, the cursor sliding position that can show by user interface is the eye-catching content of knowing own key entry easily.
In order to achieve the above object, the technical solution used in the present invention is, a kind of method that realizes the cursor quick sliding of Blu-ray player, and its step is as follows:
Step 1, receive the push button signalling of mobile button;
Step 2, obtain the position coordinates of current cursor;
Step 3, obtain target light target position coordinates;
Step 4, calculate from the current position coordinates to the target location coordinate, need to move apart from S, and setting high-speed displacement is S1, deceleration displacement is S2;
Step 5, judge that whether high-speed mobile is zero apart from S1, S1 is zero execution in step 8, otherwise execution in step 6;
Step 6, move cursor to the next position with constant speed;
Step 7, judge whether to have moved apart from S1, moved the execution in step 8 then apart from S1, finish apart from S1 to mobile otherwise re-execute step 6;
Step 8, move cursor to the next position with rate of decline;
Step 9, judge whether to have moved apart from S2, do not finish apart from S2 and then re-execute step 8 until mobile finishing apart from S2, finish apart from S2 and arrive the target location EOP (end of program) of then sliding.
Cursor movement is the movement of any direction.The two-dimensional coordinate of pixel is adopted in the position of cursor, if the cursor current position coordinates is N1(x1, y1), target location coordinate is N2(x2, what y2), need to move from the current position coordinates to the target location coordinate is the difference of target location and current location apart from S.
In order to process more clearly the cursor displacement, the displacement of the displacement of X-direction and Y direction is separated processing, X-direction always apart from Sx=x2-x1, Y direction always apart from Sy=y2-y1.Get value larger among Sx and the Sy and carry out the computing of back for what from the current position coordinates to the target location coordinate, need to move apart from S, if namely Sx is more than or equal to Sy, S=Sx then; If Sx is less than Sy, S=Sy then.
Compared with prior art, the invention has the beneficial effects as follows: when cursor movement, without accelerator, directly carry out high-speed mobile, high-speed mobile is crossed the movement of slowing down behind the certain distance, and whole moving process is quick, and the user visually produces the mobile effect of continuously smooth.Translational speed is fast, and service efficiency is high, brings the user good result of use.
Description of drawings
Fig. 1 is the process flow diagram of the inventive method.
Embodiment
Purport of the present invention is to overcome the deficiencies in the prior art, a kind of method that realizes the cursor quick sliding of Blu-ray player is provided, when glittering cursor moves to target location coordinate from current position coordinates, accelerate to afterwards deceleration during by original mobile beginning and become directly from beginning the most at a high speed mobilely then to enter the decelerating phase to stopping.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in order to technical characterictic of the present invention and advantage are carried out more deep annotation.
The process flow diagram of the inventive method as shown in Figure 1, a kind of method that realizes the cursor quick sliding of Blu-ray player, its step is as follows:
Step 1, receive the push button signalling of mobile button;
Step 2, obtain the position coordinates of current cursor;
Step 3, obtain target light target position coordinates;
Step 4, calculate from the current position coordinates to the target location coordinate, need to move apart from S, and setting high-speed displacement is S1, deceleration displacement is S2;
Step 5, judge that whether high-speed mobile is zero apart from S1, S1 is zero execution in step 8, otherwise execution in step 6;
Step 6, move cursor to the next position with constant speed;
Step 7, judge whether to have moved apart from S1, moved the execution in step 8 then apart from S1, finish apart from S1 to mobile otherwise re-execute step 6;
Step 8, move cursor to the next position with rate of decline;
Step 9, judge whether to have moved apart from S2, do not finish apart from S2 and then re-execute step 8 until mobile finishing apart from S2, finish apart from S2 and arrive the target location EOP (end of program) of then sliding.
Cursor movement is the movement of any direction.The two-dimensional coordinate of pixel is adopted in the position of cursor, if the cursor current position coordinates is N1(x1, y1), target location coordinate is N2(x2, what y2), need to move from the current position coordinates to the target location coordinate is the difference of target location and current location apart from S.
In order to process more clearly the cursor displacement, the displacement of the displacement of X-direction and Y direction is separated processing, X-direction always apart from Sx=x2-x1, Y direction always apart from Sy=y2-y1.Getting value larger among Sx and the Sy is the computing that displacement S carries out the back, if namely Sx is more than or equal to Sy, and S=Sx then; If Sx is less than Sy, S=Sy then.
Maximum translational speed Vmax original definition is 15～25% of screen size, can be according to the actual conditions adjustment.For example screen resolution is 1920*1080, and then Vmax may be defined as 100 pixels.
Distribute high-speed mobile apart from the method for S1 and deceleration displacement S2 size: integer i=S/Vmax; If i＜2, S1=0 then, S2=S.Namely when apart from S≤2Vmax, do not carry out the high-speed mobile process, directly enter the deceleration moving process; If i 〉=2, then S1=(i-1) * Vmax, S2=S-S1.
Be divided into S1 and two stages of S2 when mobile:
1) when mobile beginning, first with the at the uniform velocity mobile cursor of the speed of Vmax, after mobile i-1 time, finishes apart from S1.
2) then enter the regional S2 that slows down, translational speed V is initially apart from half of S2 (because S2 is less than the Vmax of twice, so speed V is less than Vmax).Each mobile speed all is last half afterwards, and namely speed V is changed to (1/2) * S2, (1/4) * S2, (1/8) * S2 ... until diminishing, speed finishes apart from S2 when being 1 pixel.
And in moving process cursor coordinates N(x, y) computing method:
Translational speed is V, if the movement of X-direction always apart from Sx greater than the movement of Y direction always apart from Sy, then the new coordinate of cursor is N(x+V, y+(V*(Sy/Sx))); If the movement of Y direction always apart from Sy greater than the movement of X-direction always apart from Sx, then the new coordinate of cursor is N(x+(V*(Sx/Sy)), y+V).
Learn according to above, after the order of the cursor movement that receives Blu-ray player, per interval time the T millisecond, calculate the position coordinates of next step cursor movement, and cursor moved on to the reposition coordinate, then refresh screen display, until cursor is finished movement after arriving the final goal position.Interval time, T needed less than 40 milliseconds.Because the persistence of vision of human eye and the relation of reaction velocity, as long as guaranteeing per second moves and shows more than 24 times, human eye can think that all movement is continuous level and smooth, so per second need move and refresh more than 24 times, be the 40 milliseconds of movements in every interval and refresh once, the interval is shorter, and mobile effect is rapider.Cursor of every movement, the demonstration that all needs to refresh a cursor makes cursor be presented in real time latest position.
Although the present invention has made the clear description of finishing by instantiation to the method for cursor quick sliding how to realize Blu-ray player, but the present invention is not limited only to described embodiment, and to reach identical purpose be contingent and all be included in the present invention by simple reprogramming.
Claims (4)
1. method that realizes the cursor quick sliding of Blu-ray player, its step is as follows:
Step 1, receive the push button signalling of mobile button;
Step 2, obtain the position coordinates of current cursor;
Step 3, obtain target light target position coordinates;
Step 4, calculate from the current position coordinates to the target location coordinate, need to move apart from S, and setting high-speed displacement is S1, deceleration displacement is S2;
Step 5, judge that whether high-speed mobile is zero apart from S1, S1 is zero execution in step 8, otherwise execution in step 6;
Step 6, move cursor to the next position with constant speed;
Step 7, judge whether to have moved apart from S1, moved the execution in step 8 then apart from S1, finish apart from S1 to mobile otherwise re-execute step 6;
Step 8, move cursor to the next position with rate of decline;
Step 9, judge whether to have moved apart from S2, do not finish apart from S2 and then re-execute step 8 until mobile finishing apart from S2, finish apart from S2 and arrive the target location EOP (end of program) of then sliding.
2. the method for the cursor quick sliding of realization Blu-ray player according to claim 1 is characterized in that: the two-dimensional coordinate of pixel is adopted in the position of described cursor, and cursor movement is any direction.
3. the method for the cursor quick sliding of realization Blu-ray player according to claim 2 is characterized in that, described computing method apart from S are:
If the cursor current position coordinates is N1(x1, y1), target location coordinate is N2(x2, y2), what then need to move from the current position coordinates to the target location coordinate is the difference of target location and current location apart from S;
Displacement with the displacement of X-direction and Y direction during calculating separates processing, X-direction always apart from Sx=x2-x1, Y direction always apart from Sy=y2-y1;
Get value larger among Sx and the Sy and carry out computing for what from the current position coordinates to the target location coordinate, need to move apart from S, be i.e. S=Sy when S=Sx during Sx 〉=Sy, Sx＜Sy.
4. the method for the cursor quick sliding of realization Blu-ray player according to claim 3 is characterized in that:
Described high-speed mobile apart from S1 in i＜2 o'clock, S1=0; I 〉=2 o'clock, S1=(i-1) * Vmax;
Described deceleration displacement S2 is in i＜2 o'clock, S2=S; I 〉=2 o'clock, S2=S-S1;
Wherein, Vmax is the maximum translational speed Vmax of cursor, and Vmax is 15～25% of screen size, establishes integer i=S/Vmax.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100896754A CN102156556B (en) | 2011-04-11 | 2011-04-11 | Method for realizing cursor quick sliding of blue-ray player |
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| CN2011100896754A CN102156556B (en) | 2011-04-11 | 2011-04-11 | Method for realizing cursor quick sliding of blue-ray player |
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| CN102156556B true CN102156556B (en) | 2013-03-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102495688A (en) * | 2011-12-29 | 2012-06-13 | 深圳Tcl新技术有限公司 | Method and device for quickly moving mouse pointer by utilizing direction keys of remote controller, and television |
| CN103869118B (en) * | 2012-12-13 | 2017-11-28 | 北京普源精电科技有限公司 | A kind of method and oscillograph of the movement of oscillograph cursor |
| CN111984160B (en) * | 2020-06-28 | 2021-12-10 | 中国科学院软件研究所 | Target selection method based on artificial potential energy field and electronic device |
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| US7932896B2 (en) * | 2007-06-13 | 2011-04-26 | Apple Inc. | Techniques for reducing jitter for taps |
| CN101504585B (en) * | 2009-03-09 | 2011-04-06 | 广东威创视讯科技股份有限公司 | Sliding type input method of touch screen |
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