CN105068749A - Method and system for rapidly drawing circular trace - Google Patents
Method and system for rapidly drawing circular trace Download PDFInfo
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- CN105068749A CN105068749A CN201510495336.4A CN201510495336A CN105068749A CN 105068749 A CN105068749 A CN 105068749A CN 201510495336 A CN201510495336 A CN 201510495336A CN 105068749 A CN105068749 A CN 105068749A
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Abstract
The invention discloses a method and a system for rapidly drawing a circular trace. The method comprises a first step of when a mobile terminal is in a standby mode, detecting in real time whether a touch screen generates a touch circular trace, when it is detected that the touch circular trace is generated on the touch screen, it is determined that the mobile terminal has the operation to lighten the touch screen; a second step of collecting a coordinate of the generated touch circular trace; a third step of acquiring clock direction orders of the circular trace according to the coordinate of the circular trace, wherein the clock direction orders comprise a clockwise order and an anticlockwise order; and a fourth step of computing four coordinate points acquiring edge tangent lines of the circular trace, drawing, according to the clock direction orders, a circular trace coinciding with the generated touch circular trace, and lightening the screen. In the standby mode, a user operates a circular gesture to lighten the screen, and only needs to acquire the four coordinate points for drawing the edge tangent lines of the circular trace and the clock direction orders so as to draw the circular trace rapidly to lighten the screen quickly, so that the user experience is improved.
Description
Technical field
The present invention relates to blank screen gesture technology, particularly relate to a kind of method and system of Fast Drawing circular trace.
Background technology
But the usually said holding state of current people all refers to the start of the electronic equipment such as mobile phone or computer does not carry out the state of any substantive work (and not to the various operations of file and program).
Standby status of mobile phone refers to that the open state that do not carry out any operation is comparatively strong and stable at network signal, under the state that the longest stand-by time test (this is also that mobile phone instructions refers to obtain the longest stand-by time) can be carried out when not inserting SIM card for---we are usually normal Standby states what use (when being namely inserted with SIM card) to obtain or use holding state to detect holding state.Represent that mobile phone is in start and waits for the state of phone access at any time with quarter.The holding state of computer is that current state is stored in internal memory by system, then logs off, and now electrical source consumption reduces, and maintains the MIN operation of CPU, internal memory and hard disk; Pressing arbitrary key can activation system, is suitable for of short duration stopping.
In prior art, at every turn all can by power key when opening mobile phone screen, the time has been grown, and this power key should be the button broken down at first, and to open screen all also cumbersome by power key at every turn.In addition, in stand-by mode, user operation blank screen gesture, by gathering touch point one by one, point-rendering one by one on modern smart mobile phone, such drafting time is longer, and the mobile phone bright screen time is long, and Consumer's Experience is very poor.How light screen and Fast Drawing touch screen gesture by touch-screen and become the technical matters that those skilled in the art constantly need to explore.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method and system of Fast Drawing circular trace are provided, improve speed and the accuracy rate of lighting screen, promote Consumer's Experience.
In order to achieve the above object, the technical solution used in the present invention is:
A method for Fast Drawing circular trace, comprises the steps:
When step 1. mobile terminal is in holding state, detects touch-screen in real time and whether produce touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace;
The coordinate of the touch circular trace that step 2. collection produces;
Step 3. is according to the clockwise order of the coordinate acquisition circular trace of circular trace, and described clockwise order comprises clockwise with counterclockwise;
Step 4. calculates four coordinate points obtaining circular trace edge tangent line, according to clockwise order, draws a circular trace and overlaps with the touch circular trace of generation, light screen.
As preferred embodiment of the present invention, step 1 specifically comprises:
When step 101. mobile terminal is in holding state, detect the touch action of touch-screen in real time;
Step 102., when detecting that touch-screen produces touch action, obtains the touch track of touch-screen;
Step 103. judges whether touch track is circular trace;
When detecting and touch-screen producing and touches circular trace, step 104. is judged to be that mobile terminal lights touch screen operation.
As preferred embodiment of the present invention, step 2 specifically comprises:
Step 201. analysis touches circular trace;
Step 202. gathers the coordinate touching circular trace one by one;
Step 203. obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.
As preferred embodiment of the present invention, step 3 specifically comprises:
Step 301. extracts the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
The coordinate of step 302. three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2);
If the value of step 303. clock_sequence_1 is just, being then counterclockwise, is then clockwise for bearing;
Step 304. according to step 301-303, calculate 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Step 305. calculates the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
If the value of step 306. clock_sequence is just, being then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.
As preferred embodiment of the present invention, step 4 specifically comprises:
Step 401. calculates according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line;
Step 402. draws a circular trace according to four of edge tangent line coordinate points and clockwise order;
Step 403. is drawn a circular trace and is overlapped with the touch circular trace of generation, lights screen.
The invention also discloses a kind of system of Fast Drawing circular trace, comprising:
Touch detection unit, when being in holding state for mobile terminal, detecting touch-screen in real time and whether produces touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace;
Coordinate collecting unit, for gathering the coordinate of the touch circular trace of generation;
Clockwise computing unit, for the clockwise order of the coordinate acquisition circular trace according to circular trace, described clockwise order comprises clockwise with counterclockwise;
Draw lighting unit, for calculating four coordinate points obtaining circular trace edge tangent line, according to clockwise order, drawing a circular trace and overlapping with the touch circular trace of generation, lighting screen.
As preferred embodiment of the present invention, touch detection unit specifically comprises:
Detecting unit, when being in holding state for mobile terminal, detects the touch action of touch-screen in real time;
Acquiring unit, for when detecting that touch-screen produces touch action, obtains the touch track of touch-screen;
Judging unit, for judging whether touch track is circular trace;
When detecting and touch-screen producing and touches circular trace, result identifying unit, for being judged to be that mobile terminal lights touch screen operation.
As preferred embodiment of the present invention, coordinate collecting unit specifically comprises:
Analytic unit, for analyzing touch circular trace;
Collecting unit, for gathering the coordinate touching circular trace one by one;
Acquiring unit, for obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.
As preferred embodiment of the present invention, clockwise computing unit specifically comprises:
Extraction unit, for extracting the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
Computing unit, the coordinate for three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2);
Judging unit, if be just for the value of clock_sequence_1, being then counterclockwise, is then clockwise for bearing;
Cycle calculations unit, for calculating 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Clockwise order computing unit, for calculating the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
Clock order judging unit if be just for the value of clock_sequence, is then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.
As preferred embodiment of the present invention, draw lighting unit and specifically comprise:
Tangential coordinates acquiring unit, for calculating according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line;
Drawing unit, for drawing a circular trace according to four coordinate points of edge tangent line and clockwise order;
Lighting unit, overlapping with the touch circular trace of generation for drawing a circular trace, lighting screen.
Compared with prior art, the invention has the beneficial effects as follows: in stand-by mode, the circular blank screen gesture of user operation lights screen, without the need to gathering touch point one by one, point-rendering one by one, only need obtain four coordinate points obtaining and draw circular trace edge tangent line and clockwise order, gets final product the circular rule of Fast Drawing, Quick-Point bright screen curtain, promotes Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Fig. 2 is system chart of the present invention.
Embodiment
Purport of the present invention is to overcome the deficiencies in the prior art, provides a kind of method and system of Fast Drawing circular trace, and judge user's touch gestures clock order fast, rapid drawing makes the figure of touch, lights mobile phone screen fast, realizes Consumer's Experience.Be described in detail, to be interpretated more in-depth technical characteristic of the present invention and advantage with reference to accompanying drawing below in conjunction with embodiment.
As shown in Figure 1, a kind of method of Fast Drawing circular trace, comprises the steps method flow diagram of the present invention.
Step 1 of the present invention is: when mobile terminal is in holding state, detects touch-screen in real time and whether produces touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace.Generally, we usually use (when being namely inserted with SIM card) obtain be normal Standby state or use holding state, represent mobile phone be in start and at any time with carve wait for phone access state.
Generally, standby screen of lighting needs to press power key, at every turn all can by power key when opening mobile phone screen, and the time has been grown, and this power key should be the button broken down at first, and to open screen all also cumbersome by power key at every turn.In order to address this problem, the present invention, by mobile terminal, handset touch panel such as, gives me a little bright screen curtain by the specific touch gestures of setting, removes holding state.The present invention sets and removes the gesture of holding state to be redefined for touch track be circular trace, if circular touch trajectory detected, has then been judged to exist and removes holding state demand, light touch screen operation.
As preferred embodiment of the present invention, step 1 specifically comprises:
When step 101. mobile terminal is in holding state, detect the touch action of touch-screen in real time; Generally, background program (detecting unit) can detect the touch action of touch-screen in real time, and this is under black state, detects blank screen gesture, thus judges that user is with or without lighting screen request;
Step 102., when detecting that touch-screen produces touch action, obtains the touch track of touch-screen; When background program has detected touch action, will obtain touch track further, touch track is likely straight line, curve, square, circular or other irregular figures;
Step 103. judges whether touch track is circular trace; Although touch track is likely straight line, curve, square, circular or other irregular figures, but the present invention sets and removes the gesture of holding state to be redefined for touch track be circular trace, if circular touch trajectory detected, then be judged to exist and remove holding state demand, so need to judge whether touch track is circular trace herein;
When detecting and touch-screen producing and touches circular trace, step 104. is judged to be that mobile terminal lights touch screen operation.If other touch track, be then judged to be maloperation, background program continues to detect, thus can obtain user in time and light touch screen operation.
Step 2 of the present invention is: the coordinate gathering the touch circular trace produced.Touch-screen of the prior art is generally capacitance plate, and the capacitance variation of being shielded by Detection capacitance can obtain the coordinate touching circular trace, is saved backup by each coordinate figure got.
As preferred embodiment of the present invention, step 2 specifically comprises:
Step 201. analysis touches circular trace; General analysis touches the trend of circular trace and the coordinate points at circular trace place;
Step 202. gathers the coordinate touching circular trace one by one;
Step 203. obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.In the present invention, n is set and is at least 4, mainly consider 4 point of contacts of a needs circle thus draw circular rule, thus Fast Drawing, if count very little, cannot drafting be completed.
Step 3 of the present invention is: according to the clockwise order of the coordinate acquisition circular trace of circular trace, and described clockwise order comprises clockwise with counterclockwise; Step 3 mainly overlaps with the touch circular trace of generation to draw circular trace, convenient drafting.
As preferred embodiment of the present invention, step 3 specifically comprises:
Step 301. extracts the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
The coordinate of step 302. three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2); This sentences 3 points and is one group and calculates, the accuracy calculating clockwise order can be improved, first group is 1,2,3 three point, second group is 2,3,4 three points, n-th-2 group is n-2, n-1 and n tri-points, and clock_sequence_1 represents the clockwise order of first group of 1,2,3 three point; When calculate clock_sequence_1, clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2 direction, thus judge further total clockwise order;
If the value of step 303. clock_sequence_1 is just, being then counterclockwise, is then clockwise for bearing;
Step 304. according to step 301-303, calculate 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Step 305. calculates the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
If the value of step 306. clock_sequence is just, being then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.Clock_sequence is the direction of whole touch circular trace, for canonical is counterclockwise, is then clockwise for bearing.
Step 4 of the present invention is: calculate four coordinate points obtaining circular trace edge tangent line, according to clockwise order, draw a circular trace and overlap with the touch circular trace of generation, light screen.Unlike the prior art, by gathering touch point one by one, point-rendering one by one on existing mobile phone, such drafting time is longer, and the mobile phone bright screen time is long, and Consumer's Experience is very poor in the present invention.And the present invention is by acquisition four point of contacts, thus draw out a circular trace, thus without the need to point-rendering one by one, shorten the drafting time, Quick-Point bright screen curtain, promote Consumer's Experience.
As preferred embodiment of the present invention, step 4 specifically comprises:
Step 401. calculates according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line; The present invention according to (x1, y1), (x2, y2), (x3, y3) ... and the coordinate points of (xn, yn) all circular trace, calculate four coordinate points extracting and draw required for circular trace edge tangent line
Step 402. draws a circular trace according to four of edge tangent line coordinate points and clockwise order; If had four coordinate points of edge tangent line and clockwise order, just can draw of overlapping with circular trace height drawn by user and draw circular trace, thus convenient and swiftly light screen, touch point need not have been drawn one by one;
Step 403. is drawn a circular trace and is overlapped with the touch circular trace of generation, lights screen.By obtaining four point of contacts, thus drawing out a circular trace (this circular trace roughly overlaps with the circular trace drawn by user), without the need to point-rendering one by one, shortening the drafting time, Quick-Point bright screen curtain, promote Consumer's Experience.
For mobile phone, specific embodiments of the invention step is as follows:
S1: mobile phone is in holding state, user on the touchscreen, draws circular pattern
S2: the coordinate that collection touch is put, obtains the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... .. (xn, yn);
S3: by 3 point coordinate above, estimate clockwise order clock_sequence_1=(x2-x1) * (y3-y2)-(the y2 – y1) * (x3 – x2) of 3 points above, if the value of clock_sequence_1 is just, counterclockwise, for negative be then clockwise;
S4: according to method above, estimates other points: 2,3 ..., the clockwise of n-2 point, obtains clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
S5:clock_sequence=clock_sequence_1+clock_sequence_2+cloc k_sequence_3+ ... + clock_sequence_n-2, if clock_sequence value is just, counterclockwise, being then clockwise for bearing, so just calculating circular clock order;
S6: calculate circular edges 4 coordinate points tangentially, in conjunction with clockwise order, gets final product the circular trace that rapid drawing makes user operation, overlaps with the operation trace height of user.
Use the method for the invention, can rapid drawing make user touch O shape track, highly overlap with user operation, Consumer's Experience is effective, also can light mobile phone screen sooner.
As shown in Figure 2, the invention also discloses a kind of system of Fast Drawing circular trace, comprising:
Touch detection unit, when being in holding state for mobile terminal, detecting touch-screen in real time and whether produces touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace;
Coordinate collecting unit, for gathering the coordinate of the touch circular trace of generation;
Clockwise computing unit, for the clockwise order of the coordinate acquisition circular trace according to circular trace, described clockwise order comprises clockwise with counterclockwise;
Draw lighting unit, for calculating four coordinate points obtaining circular trace edge tangent line, according to clockwise order, drawing a circular trace and overlapping with the touch circular trace of generation, lighting screen.
As preferred embodiment of the present invention, touch detection unit specifically comprises:
Detecting unit, when being in holding state for mobile terminal, detects the touch action of touch-screen in real time;
Acquiring unit, for when detecting that touch-screen produces touch action, obtains the touch track of touch-screen;
Judging unit, for judging whether touch track is circular trace;
When detecting and touch-screen producing and touches circular trace, result identifying unit, for being judged to be that mobile terminal lights touch screen operation.
As preferred embodiment of the present invention, coordinate collecting unit specifically comprises:
Analytic unit, for analyzing touch circular trace;
Collecting unit, for gathering the coordinate touching circular trace one by one;
Acquiring unit, for obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.
As preferred embodiment of the present invention, clockwise computing unit specifically comprises:
Extraction unit, for extracting the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
Computing unit, the coordinate for three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2);
Judging unit, if be just for the value of clock_sequence_1, being then counterclockwise, is then clockwise for bearing;
Cycle calculations unit, for calculating 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Clockwise order computing unit, for calculating the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
Clock order judging unit if be just for the value of clock_sequence, is then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.
As preferred embodiment of the present invention, draw lighting unit and specifically comprise:
Tangential coordinates acquiring unit, for calculating according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line;
Drawing unit, for drawing a circular trace according to four coordinate points of edge tangent line and clockwise order;
Lighting unit, overlapping with the touch circular trace of generation for drawing a circular trace, lighting screen.
Carry out clear, complete description by the technical scheme in above embodiment to the present invention, obviously described embodiment is the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Claims (10)
1. a method for Fast Drawing circular trace, comprises the steps:
When step 1. mobile terminal is in holding state, detects touch-screen in real time and whether produce touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace;
The coordinate of the touch circular trace that step 2. collection produces;
Step 3. is according to the clockwise order of the coordinate acquisition circular trace of circular trace, and described clockwise order comprises clockwise with counterclockwise;
Step 4. calculates four coordinate points obtaining circular trace edge tangent line, according to clockwise order, draws a circular trace and overlaps with the touch circular trace of generation, light screen.
2. the method for Fast Drawing circular trace according to claim 1, it is characterized in that, step 1 specifically comprises:
When step 101. mobile terminal is in holding state, detect the touch action of touch-screen in real time;
Step 102., when detecting that touch-screen produces touch action, obtains the touch track of touch-screen;
Step 103. judges whether touch track is circular trace;
When detecting and touch-screen producing and touches circular trace, step 104. is judged to be that mobile terminal lights touch screen operation.
3. the method for Fast Drawing circular trace according to claim 2, it is characterized in that, step 2 specifically comprises:
Step 201. analysis touches circular trace;
Step 202. gathers the coordinate touching circular trace one by one;
Step 203. obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.
4. the method for Fast Drawing circular trace according to claim 3, it is characterized in that, step 3 specifically comprises:
Step 301. extracts the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
The coordinate of step 302. three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2);
If the value of step 303. clock_sequence_1 is just, being then counterclockwise, is then clockwise for bearing;
Step 304. according to step 301-303, calculate 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Step 305. calculates the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
If the value of step 306. clock_sequence is just, being then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.
5. the method for Fast Drawing circular trace according to claim 4, it is characterized in that, step 4 specifically comprises:
Step 401. calculates according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line;
Step 402. draws a circular trace according to four of edge tangent line coordinate points and clockwise order;
Step 403. is drawn a circular trace and is overlapped with the touch circular trace of generation, lights screen.
6. a system for Fast Drawing circular trace, comprising:
Touch detection unit, when being in holding state for mobile terminal, detecting touch-screen in real time and whether produces touch circular trace, be judged to be that mobile terminal lights touch screen operation when detecting and touch-screen producing and touches circular trace;
Coordinate collecting unit, for gathering the coordinate of the touch circular trace of generation;
Clockwise computing unit, for the clockwise order of the coordinate acquisition circular trace according to circular trace, described clockwise order comprises clockwise with counterclockwise;
Draw lighting unit, for calculating four coordinate points obtaining circular trace edge tangent line, according to clockwise order, drawing a circular trace and overlapping with the touch circular trace of generation, lighting screen.
7. the system of Fast Drawing circular trace according to claim 6, it is characterized in that, touch detection unit specifically comprises:
Detecting unit, when being in holding state for mobile terminal, detects the touch action of touch-screen in real time;
Acquiring unit, for when detecting that touch-screen produces touch action, obtains the touch track of touch-screen;
Judging unit, for judging whether touch track is circular trace;
When detecting and touch-screen producing and touches circular trace, result identifying unit, for being judged to be that mobile terminal lights touch screen operation.
8. the system of Fast Drawing circular trace according to claim 7, is characterized in that, coordinate collecting unit specifically comprises:
Analytic unit, for analyzing touch circular trace;
Collecting unit, for gathering the coordinate touching circular trace one by one;
Acquiring unit, for obtain the coordinate (x1, y1) of touch point, (x2, y2), (x3, y3) ... and (xn, yn), n >=4.
9. the system of Fast Drawing circular trace according to claim 8, is characterized in that, clockwise computing unit specifically comprises:
Extraction unit, for extracting the coordinate of (x1, y1), (x2, y2) and (x3, y3) three points;
Computing unit, the coordinate for three points calculates clockwise order, and computing formula is clock_sequence_1=(x2-x1) * (y3-y2)-(y2 – y1) * (x3 – x2);
Judging unit, if be just for the value of clock_sequence_1, being then counterclockwise, is then clockwise for bearing;
Cycle calculations unit, for calculating 2 successively, 3 ..., n-2 point clockwise, obtain clock_sequence_2, clock_sequence_3 ..., clock_sequence_n-2;
Clockwise order computing unit, for calculating the clockwise order clock_sequence=clock_sequence_1+clock_sequence_2+clock_s equence_3+ of circular trace ... + clock_sequence_n-2;
Clock order judging unit if be just for the value of clock_sequence, is then counterclockwise, is then clockwise for bearing, and calculates the clock order of circular trace.
10. the system of Fast Drawing circular trace according to claim 9, is characterized in that, draws lighting unit and specifically comprises:
Tangential coordinates acquiring unit, for calculating according to producing the coordinate touching circular trace four coordinate points obtaining and draw circular trace edge tangent line;
Drawing unit, for drawing a circular trace according to four coordinate points of edge tangent line and clockwise order;
Lighting unit, overlapping with the touch circular trace of generation for drawing a circular trace, lighting screen.
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| CN109308140A (en) * | 2017-07-27 | 2019-02-05 | 宏碁股份有限公司 | Electronic device and display image producing method |
| CN107463331A (en) * | 2017-08-15 | 2017-12-12 | 上海闻泰电子科技有限公司 | Gesture path analogy method, device and electronic equipment |
| CN107463331B (en) * | 2017-08-15 | 2020-08-07 | 上海闻泰电子科技有限公司 | Gesture track simulation method and device and electronic equipment |
| CN110502091A (en) * | 2019-08-19 | 2019-11-26 | 惠州Tcl移动通信有限公司 | Touch screen awakening method, terminal and storage medium |
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| CN105068749B (en) | 2018-03-06 |
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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. |