WO2020133386A1

WO2020133386A1 - Note partial selection method, apparatus, electronic terminal and readable storage medium

Info

Publication number: WO2020133386A1
Application number: PCT/CN2018/125454
Authority: WO
Inventors: 张政; 李友; 牛佳明
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-07-02
Also published as: CN112639713A

Abstract

The present application relates to a note partial selection method, an apparatus, an electronic terminal and a readable storage medium, used in a display terminal, a note being displayed on the display terminal, and the method comprising: acquiring note information, the note information comprising coordinate data of all pixel points in the note; detecting a touch control action, and displaying a touch control track of the touch control action according to the touch control action; acquiring a closed track of the touch control track; traversing all pixel points in the note, and selecting the set of all pixel points surrounded by the closed track, the set of pixel points being a selected note part. Thus, a user draws a closed track at will so as to select any part of a note, thereby enabling secondary editing of part of a note, solving the problem of there being no way to perform partial selection and editing of part of a note; in addition, the method is simple, computation volume is small, and complexity is low, which, in addition to improving user experience, can also effectively lower terminal performance consumption.

Description

Local note selection method, device, electronic terminal and readable storage medium

Technical field

The present invention relates to the field of note editing in electronic equipment, and more specifically, to a method, device, electronic terminal, and readable storage medium for partial note selection.

Background technique

In the existing mobile phone APP, when the user performs a note operation, if the user needs to perform a second operation on the note, only the second edit operation of the entire area can be realized, and the second edit operation cannot be performed on the specific area, which gives the user Come in great inconvenience.

For example, the user draws a picture in the APP, and when the user wants to characterize and modify a specific area of the picture, such as implementing a gradient operation on the color of the specific area, etc. Can carry out the secondary editing operation of all areas. Therefore, due to the inability of the existing method to partially edit the notes in a specific area, the user experience is greatly reduced.

technical problem

The technical problem to be solved is to provide a method, device, electronic terminal, and readable storage medium for local selection of notes in view of the above-mentioned defects of the prior art.

Technical solution

The technical solution adopted to solve the technical problem is to provide a partial note selection method, which is applied to a display terminal, and the note is displayed on the display terminal. The method includes:

Acquiring note information, the note information includes coordinate data of all pixels in the note;

Detecting a touch action and displaying the touch track of the touch action according to the touch action;

Acquiring the closed track of the touch track;

Traverse all the pixels in the note, and select all the sets of pixels surrounded by the closed track, and the set of pixels is the selected part of the note. .

Further, the acquiring the closed track of the touch track includes:

Acquiring a set of coordinate points of the touch trajectory ordered by time according to the touch action;

Determine whether the coordinate point set has the same first coordinate point and second coordinate point; the first coordinate point is the coordinate point obtained at the first moment, and the second coordinate point is the coordinate point obtained at the second moment , The second moment is greater than the first moment;

If yes, determine whether the first coordinate point and the second coordinate point coincide for the first time. If yes, select the coordinate point obtained from the first time to the second time; from the first time to the second The trajectory formed by the coordinate points acquired between moments is the closed trajectory.

Further, the traversing all the pixels in the note, and selecting all the pixel sets surrounded by the closed track include:

Determine whether any one of all pixels is located in the smallest rectangular area where the closed track is located;

If the pixel is located in the smallest rectangular area where the closed trajectory is located, form a ray using the pixel as the origin, and obtain the number of intersections of the ray and the closed trajectory;

Determine whether the number of intersections of the ray and the closed track is an odd number;

If yes, then select the pixel.

Further, the judging whether any one of all pixels is located in the smallest rectangular area where the closed trajectory is located includes:

Obtain the coordinate point data of the closed track; the coordinate point data includes the maximum and minimum values of the abscissa of the closed track, and the maximum and minimum values of the ordinate;

Judging whether the abscissa of any pixel in all the pixels is greater than the minimum value of the abscissa of the closed track and less than the maximum value of the abscissa of the closed track, and the longitudinal of the any pixel Whether the coordinates are greater than the minimum value of the longitudinal coordinate of the closed track and less than the maximum value of the longitudinal coordinate of the closed track.

Further, after selecting all pixel sets surrounded by the closed trajectory, the method further includes:

Partially edit the note, the editing includes changing color, merging, splitting, deleting, adding, modifying width, modifying length, vertically expanding or reducing, horizontally expanding or reducing, or vertically and horizontally proportionally expanding or reducing.

On the other hand, a partial note selection device is also provided, which is applied to a display terminal. The note is displayed on the display terminal. The device includes:

A note acquiring unit, configured to acquire note information, the note information including coordinate data of all pixels in the note;

A touch display unit, configured to detect the touch action and display the touch track of the touch action according to the touch action;

A trajectory acquiring unit, configured to acquire a closed trajectory of the touch trajectory;

The selecting unit is used to traverse all pixels in the note, and select all sets of pixels surrounded by the closed trajectory. The set of pixels is the selected part of the note.

Further, the trajectory acquisition unit includes:

A coordinate point obtaining module, configured to obtain a set of coordinate points sorted in time according to the touch action according to the touch action;

The first judgment module is used to:

Further, the selection unit includes:

The second judgment module is used for judging whether any one of all pixels is located in the smallest rectangular area where the closed track is located;

A selection module for forming a ray with the pixel point as the origin when the pixel point is within the smallest rectangular area where the closed trajectory is located, and obtaining the number of intersection points of the ray and the closed trajectory, and determining the Whether the number of rays and the closed intersection is an odd number; if so, select the pixel.

Further, the second judgment module is specifically used to:

Further, it also includes: an editing unit for partially editing the note, the editing includes changing color, merging, splitting, deleting, adding, modifying width, modifying length, vertically expanding or reducing, horizontally expanding or reducing Or vertical and horizontal proportions to expand or contract.

On the other hand, there is also provided an electronic terminal, including a processor and a memory, where the processor is used to implement the steps of the note partial selection method described above when executing the computer program stored in the memory.

On the other hand, a readable storage medium is also provided on which a computer program is stored, which when executed by the processor implements the steps of the note partial selection method as described above.

Beneficial effect

The local selection method of notes adopts a closed trajectory drawn arbitrarily by the user to realize the arbitrary selection of the local parts of the notes, which can realize the secondary editing of the local parts of the notes, which solves the problem that the existing local parts cannot be selected and edited. In addition, the method is simple 3. Less calculation and lower complexity, while improving the user experience, it can also effectively reduce the performance consumption of the terminal.

BRIEF DESCRIPTION

The present invention will be further described below with reference to the drawings and embodiments. In the drawings:

FIG. 1 is a schematic flowchart of a partial note selection method according to an embodiment of the present invention;

2 is a schematic flowchart of a partial note selection method provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a touch trajectory in a partial note selection method provided by an embodiment of the present invention;

4 is a schematic diagram of a closed trajectory in a partial note selection method provided by an embodiment of the present invention;

5 is a schematic diagram of any pixel of a note in a closed track provided by an embodiment of the present invention;

6 is a schematic diagram of performing a second edit on a part of a note by a method for selecting a partial note according to an embodiment of the present invention;

7 is a schematic block diagram of a device for partial selection of notes provided by an embodiment of the present invention;

8 is a schematic block diagram of a device for partial selection of notes provided by an embodiment of the present invention;

9 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

Best Mode of the Invention

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to solve the problem that the existing terminal cannot perform partial secondary editing of notes, an embodiment of the present invention provides a partial note selection method, which can implement partial selection of notes on the terminal screen and partial selection of selected notes The secondary editing operation simplifies the secondary editing operation method and improves the efficiency and accuracy of the secondary editing operation, which can effectively avoid misoperations outside the local area and improve the user experience.

Referring to FIG. 1, it is a schematic flowchart of a partial note selection method according to an embodiment of the present invention. The local note selection method can be applied to a display terminal, where the display area of the display terminal can be used to display notes. Optionally, the display terminal includes but is not limited to a smart phone, smart watch, tablet computer, etc. Further, the operating system of the display terminal includes but is not limited to Android operating system, iOS operating system, Windows operating system, Linux operating system, etc.

Specifically, as shown in FIG. 1, the partial note selection method provided by the embodiment of the present invention may include the following steps:

Step S1: Obtain note information.

In the embodiment of the present invention, the note can be obtained by reading the note stored in the storage device, or generated by the user editing, can also receive the note through the network, or can also receive the note through short-range wireless transmission, or can be wired Receive notes, etc. by means of transmission. The embodiments of the present invention may obtain notes in various ways.

Optionally, the note in the embodiment of the present invention includes Chinese characters, wherein the part of the note may be one or more strokes of the Chinese character, or a part of one or more strokes.

Of course, it can be understood that in some other embodiments, the notes of the embodiments of the present invention further include drawings, where the notes partially include a part of the drawings. Optionally, the picture can be any picture.

Further, the notes in the embodiment of the present invention may also be English letters, lines, etc., and the note parts are part or parts of the English letters, or the note parts are part of the lines, etc. The embodiments of the present invention provide users with various forms, and are not limited to the methods described herein.

Optionally, the note partial selection method according to an embodiment of the present invention may receive a user-initiated instruction to start a note partial selection operation through a display terminal. Wherein, the user-selected operation instruction for starting the partial selection of the note may include, but is not limited to, an action instruction input by the user (such as an instruction generated by a touch operation or an instruction generated by a key operation) or a voice instruction. The action instruction input by the user may be double-click, click, drag, swipe, long press, etc., or a combination of several.

After the local note selection operation is started, the note information is obtained. The note information includes coordinate data of all pixels in the note.

Step S2: Detect the touch action and display the touch track of the touch action according to the touch action.

Specifically, the detection of the touch action can be completed by the display terminal. The touch action is a touch action applied by the user on the touch panel of the display terminal. Among them, the user can directly touch the touchpad with a limb (such as a finger) to generate a touch action, or write on the touchpad with a stylus to generate a touch action.

Optionally, there are many ways for the touchpad to obtain the touch trajectory generated by the touch action, and reference may be made to the existing solution, which will not be repeated in the embodiments of the present invention.

Further, the touch track obtained by the touch panel can be displayed in real time through the display screen of the display terminal, where the touch panel and the display screen can be an integrated structure or a discrete structure.

In the embodiments of the present invention, there are various forms of the touch trajectory generated according to the touch action. In the process of drawing the touch trajectory, the user can apply different operations on the touch panel to draw the touch trajectory, Feature adjustment, etc. Specifically, after displaying the touch track on the display terminal, it is possible to detect whether the touch track has been enlarged or reduced vertically, horizontally or horizontally, or vertically or horizontally, or deleted If you receive instructions to expand or shrink the touch track vertically, horizontally or horizontally, or vertically or horizontally, or delete the touch track, or delete the touch track, you can use The received command performs corresponding modification actions to make the touch track expand or shrink vertically, horizontally expand or shrink, or vertically or horizontally proportionally expand or shrink, or delete part of the touch track, etc., so that it can be based on user needs Obtain different touch trajectories corresponding to requirements. Among them, the adjustment of the characteristics of the touch trajectory includes but is not limited to length, width, grayscale, shape, color, transparency, etc. By adjusting the drawn touch trajectory, different shapes, The touch trajectory of size, color, etc., so that you can get a variety of touch trajectories according to user needs, and enhance personalized features.

The touch track is shown in FIG. 3. As an example, the note displayed on the display terminal 100 in FIG. 3 is a line, and the line includes the first segment 101 and the second segment 102. The touch track includes from coordinate point A0 to coordinate point A1 (denoted as the first part 201), from coordinate point A1 to coordinate point A2 (denoted as the second part 202), and from coordinate point A2 to coordinate point An (denoted as The third part 203) has three parts. Among them, the coordinate point A0, the coordinate point A1, the coordinate point A2, and the coordinate point An are obtained in the chronological order of the touch action. The coordinate point A2 only represents that it is obtained after the coordinate point A1, and does not represent that the coordinate point A2 is The coordinate point generated by the touch action next to the coordinate point A1 at the next moment. Among them, n is greater than 0.

Step S3: Obtain the closed track of the touch track.

In the embodiment of the present invention, the closed track of the touch track can be obtained in the following manner:

First, according to the touch action, a set of coordinate points sorted by time according to the touch trajectory is obtained.

Secondly, it is determined whether the obtained time-ordered coordinate point set has the same first coordinate point and second coordinate point. The first coordinate point is any coordinate point in the set of coordinate points sorted by time. Further, the first coordinate point is a coordinate point acquired at the first moment, the second coordinate point is a coordinate point acquired at the second moment, and the second moment is greater than the first moment. It should be noted that the first moment and the second moment are only used to represent any two moments in the coordinate points in the coordinate point set sorted by time, and do not represent the first moment and the second moment at the start of the touch action .

Further, if the obtained time-ordered coordinate point set has the same first coordinate point and second coordinate point, it is further determined whether the second coordinate point and the first coordinate point coincide for the first time. Then, the coordinate points acquired between the first time and the second time are selected, wherein the trajectory formed by the coordinate points acquired between the first time and the second time is a closed trajectory.

In a specific example, as shown in FIG. 3, the touch track includes from coordinate point A0 to coordinate point A1 (denoted as the first part 201), from coordinate point A1 to coordinate point A2 (denoted as the second part 202), and There are three parts from coordinate point A2 to coordinate point An (denoted as the third part 203).

Among them, the coordinate point A1 is the first coordinate point, and the coordinate point A2 is the second coordinate point. As can be seen from FIG. 3, the first coordinate point A1 and the second coordinate point A2 are the same coordinate point. Therefore, the first coordinate The trajectory (second part 202) formed by the coordinate points between the point A1 and the second coordinate point A2 (including the first coordinate point A1 and the second coordinate point A2) is the closed trajectory to be acquired, and the obtained closure The trajectory (second part 202) is shown in Figure 4.

Only a specific example of the closed trajectory is shown in FIG. 4. In FIG. 4, the closed trajectory is an irregular graph. Of course, it can be understood that the closed trajectory in this embodiment of the present invention may also be a regular graph. Optionally, the closed track in the embodiment of the present invention is a closed line. When the closed trajectory is a regular figure, the regular figure includes but is not limited to a circle, an ellipse, a square, a rectangle, a diamond, a trapezoid, etc., and may be one or more of them.

Step S4, traverse all the pixels in the note, and select all the sets of pixels surrounded by the closed track. The set of pixels is the selected part of the note.

As shown in FIG. 4, as an example, 202 in FIG. 4 is the acquired closed trajectory, and the line formed by the first segment 101 and the second segment 102 is the note displayed on the display terminal 100, which is closed in FIG. 4 The second section 102 surrounded by the track 202 is the selected part of the note.

Optionally, the partial selection of notes in this embodiment of the present invention may be obtained in the following manner:

First, first determine whether any one of all pixels in the acquired note is located in the smallest rectangular area where the closed track is located.

Among them, whether any pixel of all pixels in the note is located in the smallest rectangular area where the closed track is located can be judged in the following manner:

Obtain the coordinate point data of the closed track, the coordinate point data includes the maximum and minimum values of the horizontal coordinate of the closed track, and the maximum and minimum values of the vertical coordinate; then, determine the horizontal coordinate of any one of all pixels Whether it is greater than the minimum value of the abscissa of the closed track and less than the maximum value of the abscissa of the closed track, and whether the ordinate of any pixel is greater than the minimum value of the closed track and less than the maximum of the closed track value. In the embodiment of the present invention, the coordinate data of all pixel points of the note and the coordinate point data of the closed track are based on the same coordinate system.

For a specific example, refer to FIG. 5. In FIG. 5, M (x ₀ , y ₀ ) is any pixel in the coordinate data of all pixels in the note, where x _{0 is} the abscissa of the pixel M, and y _{0 is} the The ordinate of the pixel M; the minimum value of the abscissa of the closed trajectory 202 is x _min , the maximum value of the abscissa of the closed trajectory 202 is x _max , the minimum value of the ordinate of the closed trajectory 202 is y _min , the value of the closed trajectory 202 The maximum value of the ordinate is y _max . As shown in Figure 4, when the pixel M(x ₀ , y ₀ ) satisfies:

When x _min <x ₀ <x _max and y _min <y ₀ <y _max , it can be determined that the pixel M(x ₀ , y ₀ ) is within the smallest rectangular area of the closed trajectory 202.

Understandably, the other pixels in all the pixels in the note can be judged whether they are within the smallest rectangular area where the closed track 202 is located according to the above method.

Secondly, when it is determined that the pixel is located in the smallest rectangular area where the closed track is located, it is further determined whether the pixel is within the closed track. In a specific example, the closed trajectory is rectangular, and the smallest rectangular area where the closed trajectory is located is itself. Therefore, there is no need to perform the step of "determining whether the pixel is within the closed trajectory". The "minimum rectangular area" here means the first straight line parallel to the abscissa passing through the coordinate point with the largest ordinate in the closed trajectory, and the first line parallel to the abscissa passing through the coordinate point with the smallest ordinate in the closed trajectory A straight line, a third straight line parallel to the ordinate passing the coordinate point with the largest abscissa in the closed track, and a fourth straight line parallel to the ordinate passing the coordinate point with the smallest abscissa in the closed track Closed area.

Among them, determining whether the pixel is within the closed track can be achieved in the following ways:

Specifically, the pixel is used as the origin to form a ray, and the number of intersections of the ray and the closed trajectory is obtained; it is further determined whether the number of intersections of the ray and the closed trajectory is an odd number; if so, the pixel is selected.

As shown in FIG. 5, M(x ₀ , y ₀ ) is any one of all pixels in the note, where x _{0 is} the abscissa of the pixel M, and y _{0 is} the longitudinal of the pixel M coordinate. The ray formed with the pixel point M(x ₀ , y ₀ ) as the origin is MN, as can be seen from FIG. 5, only when the intersection point of MN and the closed track 203 is an odd number, the pixel point M(x ₀ , y ₀ ) within the closed trajectory 203. Therefore, when the pixel point M(x ₀ , y ₀ ) satisfies the number of intersections of rays and the closed trajectory 203 formed with the origin as an odd number, the pixel point M(x ₀ , y ₀ ) can be determined, The pixel M (x ₀ , y ₀ ) can be selected.

Of course, it can be understood that all the pixels in the note can be determined whether they are in the closed trajectory in the above manner, so as to select the pixel set in the closed trajectory according to the determination result, so as to obtain the selected note part.

The embodiment of the present invention traverses all the pixels in the note to select all the pixel points surrounded by the closed trajectory to obtain the part of the note that needs to be selected, which satisfies the user's need to select the note locally and improves the user experience.

Further, the partial note selection method in the embodiment of the present invention is simple and requires less calculation. While improving the user experience, it can also reduce the performance consumption of the display terminal.

Referring to FIG. 2, it is a schematic flowchart of a partial note selection method provided by an embodiment of the present invention. The local note selection method of this embodiment, based on the foregoing embodiment, further includes the following steps:

Step S5: Edit the notes locally.

Wherein, step S5 is executed after the completion of step S4, that is, after the note part is determined, the editing operation of the note part is executed.

Optionally, in the embodiment of the present invention, editing includes, but is not limited to, changing colors, merging, splitting, deleting, adding, modifying width, modifying length, vertically expanding or reducing, horizontally expanding or reducing, or vertically and horizontally proportionally expanding or reducing, Or move. That is, it can realize the operation of changing the color of the selected note part, merging the note part, splitting the note part, deleting the note part, adding the note part, modifying the width of the note part, and modifying the note part Length, expand the note part vertically, shrink the note part vertically, expand the note part horizontally, shrink the note part horizontally, or enlarge the note part vertically or horizontally, or shrink the note part vertically, or move the note part, etc.

Further, editing the note part includes receiving and executing a color setting instruction, note information merging instruction, note information splitting instruction, note information deleting instruction, adding note instruction, modifying note width instruction, and modifying note length instruction for the note portion , At least one of zoom instruction and move instruction. Through the above instructions, the note part can be flexibly adjusted and edited, so that the second edit of the part can be more personalized and diversified.

In a specific embodiment, as shown in FIG. 6, 202 is a closed track, and the user can input an instruction to modify the width of the part of the note enclosed in the closed track 202 as needed, such as an instruction to increase the width of the part of the note, to display the terminal 100 performs an increase action according to the received instruction to increase the width of the local part of the note, so that the width of the second segment 102 enclosed in the closed track 202 becomes thicker; or, the user can input to change the The instruction of the color of the note part, the display terminal 100 executes a modification action according to the received instruction to change the color of the note part enclosed in the closed track 202, and changes the color of the second segment 102 enclosed in the closed track 202 to the set s color. Alternatively, the length, transparency, etc. of the second segment 102 enclosed in the closed track 202 may be modified according to the modification needs.

In summary, the problem that the existing local area cannot be selected and the local area is edited twice is solved, and the method for local selection of notes in the present invention is simple, which greatly reduces the amount of calculation, reduces the complexity of searching, and reduces the performance consumption of the terminal. At the same time, it can effectively improve the user experience.

Referring to FIG. 7, an embodiment of the present invention further provides a local note selection device, which can be used to implement the foregoing local note selection method. The note partial selection device can be applied to a display terminal, and the note of the note partial selection device is displayed on the display terminal. Optionally, the display terminal includes but is not limited to a smart phone, smart watch, tablet computer, etc. Further, the operating system of the display terminal includes but is not limited to Android operating system, iOS operating system, Windows operating system, Linux operating system, etc.

As shown in FIG. 7, the device for partial selection of notes provided by an embodiment of the present invention may include:

The note acquiring unit 701 is used to acquire note information, and the note information includes coordinate data of all pixels in the note.

The touch display unit 702 is used to detect the touch action and display the touch track of the touch action according to the touch action.

In the embodiment of the present invention, the touch display unit 702 may include a touch pad and a display screen. The touch pad is used to detect a touch action and generate a touch track according to the touch action. The generated touch track is displayed on the display screen. .

The touch action is a touch action applied by the user on the touch panel of the display terminal. Among them, the user can directly touch the touchpad with a limb (such as a finger) to generate a touch action, or write on the touchpad with a stylus to generate a touch action.

In the embodiments of the present invention, there are various forms of the touch trajectory generated according to the touch action. In the process of drawing the touch trajectory, the user can apply different operations on the touch panel to draw the touch trajectory, Feature adjustment, etc. Specifically, after displaying the touch track on the display terminal, it is possible to detect whether the touch track has been enlarged or reduced vertically, horizontally or horizontally, or vertically or horizontally, or deleted Partial trajectory of the track, or moving the touch trajectory, etc., if you receive instructions to expand or contract the touch trajectory vertically, horizontally or horizontally, or vertically or horizontally, or delete the part of the touch trajectory, you can The received command performs corresponding modification actions to make the touch track expand or shrink vertically, horizontally expand or shrink, or vertically or horizontally proportionally expand or shrink, or delete part of the touch track, etc., so that it can be based on user needs Obtain different touch trajectories corresponding to requirements. Among them, the adjustment of the characteristics of the touch trajectory includes but is not limited to length, width, grayscale, shape, color, transparency, etc. By adjusting the drawn touch trajectory, different shapes, The touch trajectory of size, color, etc., so that you can get a variety of touch trajectories according to user needs, and enhance personalized features.

The track obtaining unit 703 is used to obtain a closed track of the touch track.

In the embodiment of the present invention, the track acquisition unit 703 includes: a coordinate point acquisition module and a first judgment module.

The coordinate point obtaining module is used to obtain a set of coordinate points sorted by time according to the touch action.

The first judgment module is used to judge whether the coordinate point set has the same first coordinate point and second coordinate point; the first coordinate point is the coordinate point obtained at the first moment, and the second coordinate point is the second coordinate point obtained at the second moment The coordinate point, the second moment is greater than the first moment. If yes, it is determined whether the first coordinate point and the second coordinate point coincide for the first time. If so, the coordinate points obtained between the first time and the second time are selected; the coordinate points obtained between the first time and the second time are selected. The formed track is a closed track. The first coordinate point is any coordinate point in the set of coordinate points sorted by time.

It should be noted that the first moment and the second moment are only used to represent any two moments in the coordinate points in the coordinate point set sorted by time, and do not represent the first moment and the second moment at the start of the touch action .

The selecting unit 704 is used to traverse all the pixels in the note, and select all sets of pixels surrounded by the closed track, and the set of pixels is the selected part of the note.

The optional selection unit 704 includes: a second judgment module and a selection module.

The second judgment module is used to judge whether any one of all pixels is located in the smallest rectangular area where the closed track is located.

Wherein, determining whether any pixel of all pixels in the note is located in the smallest rectangular area where the closed track is located can be determined by the second determining module in the following manner.

Specifically, the coordinate point data of the closed track is obtained; the coordinate point data includes the maximum and minimum values of the abscissa of the closed track, and the maximum and minimum values of the ordinate. Then, determine whether the abscissa of any pixel in all pixels is greater than the minimum value of the abscissa of the closed track and less than the maximum value of the abscissa of the closed track, and whether the vertical coordinate of any pixel is greater than that of the closed track The minimum value of the ordinate is smaller than the maximum value of the ordinate of the closed track. In the embodiment of the present invention, the coordinate data of all pixel points of the note and the coordinate point data of the closed track are based on the same coordinate system.

Further, the second determination module is further used to further determine whether the pixel point is within the closed track when the pixel point is within the smallest rectangular area where the closed track is located. In a specific example, the closed trajectory is rectangular, and the smallest rectangular area where the closed trajectory is located is itself. Therefore, there is no need to perform the step of "determining whether the pixel is within the closed trajectory". The "minimum rectangular area" here means the first straight line parallel to the abscissa passing through the coordinate point with the largest ordinate in the closed trajectory, and the first line parallel to the abscissa passing through the coordinate point with the smallest ordinate in the closed trajectory A straight line, a third straight line parallel to the ordinate passing the coordinate point with the largest abscissa in the closed track, and a fourth straight line parallel to the ordinate passing the coordinate point with the smallest abscissa in the closed track Closed area.

The selection module is used to form a ray with the pixel as the origin when the pixel is located in the smallest rectangular area where the closed trajectory is located, and obtain the number of intersections of the ray and the closed trajectory, and determine whether the number of rays and the closed intersection is It is an odd number; if it is, the pixel is selected.

Referring to FIG. 8, it is a schematic block diagram of a device for partial selection of notes provided by an embodiment of the present invention. This embodiment further includes an editing unit 705 on the basis of the note partial selection device of the foregoing embodiment.

Specifically, the editing unit 705 is used to partially edit the notes, and the editing includes changing the color, merging, splitting, deleting, increasing, modifying the width, modifying the length, vertically expanding or reducing, horizontally expanding or reducing, or vertically and horizontally proportionally expanding or Zoom out.

Further, the editing unit 705 includes: a receiving execution module.

Specifically, the receiving and executing module is used to receive and execute a color setting instruction, a note information merging instruction, a note information splitting instruction, a note information deleting instruction, a note adding instruction, a modify note width instruction, and a note length instruction, At least one of zoom instruction and move instruction. By receiving the above-mentioned instructions and performing corresponding editing operations according to the above-mentioned instructions, the flexible adjustment and editing of the note part is realized, and the secondary editing of the note part is more personalized and diversified.

In the embodiment of the present invention, the note acquisition unit 701, the touch display unit 702, the track acquisition unit 703, the selection unit 704, and the editing unit 705 are all provided in the display terminal.

9 is a schematic structural diagram of an electronic terminal according to an embodiment of the present invention. The electronic terminal is a display terminal 100, and notes can be displayed on the display terminal 100. The electronic terminal shown in FIG. 9 is only an example, and should not bring any limitation to the functions and use scope of the embodiments of the present invention.

As shown in FIG. 9, the electronic terminal includes a processor 901 and a storage device 908. When the processor 901 is used to execute the computer program stored in the storage device 908, the steps of the aforementioned partial note selection method are implemented.

Further, as shown in FIG. 9, the electronic terminal may further include a read-only memory (ROM) 902 and/or a random access memory (RAM) 903, and the processor 901 may be based on a program stored in the read-only memory (ROM) 902 Or a program loaded into random access memory (RAM) 903 from storage device 908 to perform various appropriate actions and processes. In the RAM 903, various programs and data necessary for the operation of the electronic terminal are also stored. The processor 901, ROM 902, and RAM 903 are connected to each other through a bus 904.

Generally, the following devices can be connected to the I/O interface 905: including input devices 906 such as touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; including, for example, liquid crystal display (LCD), speaker, vibration An output device 907 such as a storage device; a storage device 908 including a magnetic tape, a hard disk, etc.; The communication device 909 may allow the electronic terminal to perform wireless or wired communication with other devices to exchange data. Although FIG. 9 shows an electronic terminal having various devices, it should be understood that it is not required to implement or have all the devices shown. More or fewer devices may be implemented or provided instead.

In particular, according to an embodiment of the present invention, the process described above with reference to the flowchart may be implemented as a computer software program. For example, embodiments of the present invention include a computer program product that includes a computer program carried on a computer-readable medium, the computer program containing program code for performing the method shown in the flowchart. In such an embodiment, the computer program may be downloaded and installed from the network through the communication device 909, or installed from the storage device 908, or from the ROM 902 was installed. When the computer program is executed by the processor 901, the above-mentioned functions defined in the method of the embodiments of the present invention are executed.

It should be noted that the aforementioned computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium or any combination of the two. The computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing. The computer-readable storage medium may be any tangible medium containing or storing a program, which may be used by or in combination with an instruction execution system, apparatus, or device. The computer-readable signal medium may include a data signal that is transmitted in baseband or as part of a carrier wave, in which computer-readable program code is carried. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. The computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, and the computer-readable signal medium may send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device . The program code contained on the computer-readable medium may be transmitted using any appropriate medium, including but not limited to: electric wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.

The above-mentioned computer-readable medium may be included in the above-mentioned electronic terminal; or it may exist alone without being assembled into the electronic terminal.

The computer-readable medium carries one or more programs, and when the one or more programs are executed by the electronic terminal, the electronic terminal is caused to: acquire at least two Internet protocol addresses; send the node evaluation device including the at least two A node evaluation request for an Internet protocol address, wherein the node evaluation device selects and returns an Internet protocol address from the at least two Internet protocol addresses; receives the Internet protocol address returned by the node evaluation device; wherein, the obtained The Internet Protocol address indicates the edge node in the content distribution network.

Alternatively, the computer-readable medium carries one or more programs, and when the one or more programs are executed by the electronic terminal, the electronic terminal is caused to: receive a node evaluation request including at least two Internet protocol addresses; Among the at least two Internet protocol addresses, select the Internet protocol address; return the selected Internet protocol address; wherein, the received Internet protocol address indicates an edge node in the content distribution network.

The computer program code for performing the operations of the embodiments of the present invention may be written in one or more programming languages or a combination thereof. The above programming languages include object-oriented programming languages such as Java, Smalltalk, C++, and also include Conventional procedural programming language-such as "C" language or similar programming language. The program code may execute entirely on the user's computer, partly on the user's computer, as an independent software package, partly on the user's computer and partly on a remote computer, or entirely on the remote computer or server. In situations involving remote computers, the remote computer may be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (for example, through an Internet service provider Internet connection).

The flowcharts and block diagrams in the drawings illustrate the possible implementation architecture, functions, and operations of systems, methods, and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagram may represent a module, program segment, or part of code that contains one or more logic functions Executable instructions. It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks represented in succession may actually be executed in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts, can be implemented with dedicated hardware-based systems that perform specified functions or operations Or, it can be realized by a combination of dedicated hardware and computer instructions.

The units described in the embodiments of the present invention may be implemented in software or hardware. Among them, the name of the unit does not constitute a limitation on the unit itself under certain circumstances.

An embodiment of the present invention further provides a readable storage medium on which a computer program is stored. When the stored computer program is executed by the processor 901, an operation method of the above-mentioned partial note selection method is realized.

The readable storage media provided by the embodiments of the present invention include but are not limited to magnetic disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, and portable compact Disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any combination of the above devices.

Understandably, the readable storage medium may be the readable storage medium included in the above electronic terminal, or may be a readable storage medium that exists independently but is not installed in the electronic terminal.

Further, the computer program stored in the readable storage medium may be one or more programs.

The above embodiments are only for explaining the technical concept and features of the present invention, and the purpose thereof is to enable those familiar with the technology to understand the contents of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. Any changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

It should be understood that those of ordinary skill in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims

A partial note selection method is applied to a display terminal, and the note is displayed on the display terminal, characterized in that the method includes:

Acquiring note information, the note information includes coordinate data of all pixels in the note;

Detecting a touch action and displaying the touch track of the touch action according to the touch action;

Acquiring the closed track of the touch track;

Traverse all the pixels in the note, and select all the sets of pixels surrounded by the closed track, and the set of pixels is the selected part of the note.
The partial note selection method according to claim 1, wherein the acquiring the closed track of the touch track comprises:

Acquiring a set of coordinate points of the touch trajectory ordered by time according to the touch action;

Determine whether the coordinate point set has the same first coordinate point and second coordinate point; the first coordinate point is the coordinate point obtained at the first moment, and the second coordinate point is the coordinate point obtained at the second moment , The second moment is greater than the first moment;

If yes, determine whether the first coordinate point and the second coordinate point coincide for the first time. If yes, select the coordinate point obtained from the first time to the second time; from the first time to the second The trajectory formed by the coordinate points acquired between moments is the closed trajectory.
The partial note selection method according to claim 1, wherein the traversing all pixels in the note and selecting all pixel sets surrounded by the closed trajectory include:

Determine whether any one of all pixels is located in the smallest rectangular area where the closed track is located;

If the pixel is located in the smallest rectangular area where the closed trajectory is located, form a ray using the pixel as the origin, and obtain the number of intersections of the ray and the closed trajectory;

Determine whether the number of intersections of the ray and the closed track is an odd number;

If yes, then select the pixel.
The partial note selection method according to claim 3, wherein the determining whether any one of all pixels is located in the smallest rectangular area where the closed trajectory is located includes:

Obtain the coordinate point data of the closed track; the coordinate point data includes the maximum and minimum values of the abscissa of the closed track, and the maximum and minimum values of the ordinate;

Judging whether the abscissa of any pixel in all the pixels is greater than the minimum value of the abscissa of the closed track and less than the maximum value of the abscissa of the closed track, and the longitudinal of the any pixel Whether the coordinates are greater than the minimum value of the longitudinal coordinate of the closed track and less than the maximum value of the longitudinal coordinate of the closed track.
The partial note selection method according to claim 1, wherein the closed track is a closed line.
The partial note selection method according to claim 5, wherein the closed trajectory is a regular figure and/or an irregular figure.
The partial note selection method according to claim 5, wherein the closed trajectory is a regular figure and/or an irregular figure.
The partial note selection method according to claim 1, wherein the note includes a picture, and the note partially includes a part of the picture.
The partial note selection method according to claim 1, wherein after selecting all the pixel points surrounded by the closed trajectory, the method further comprises:

Partially edit the note, the editing includes changing color, merging, splitting, deleting, adding, modifying width, modifying length, vertically expanding or reducing, horizontally expanding or reducing, or vertically and horizontally proportionally expanding or reducing.
The partial note selection method according to claim 9, wherein the partial editing of the note includes:

Receive and execute at least one of the local color setting instruction, the note information merging instruction, the note information splitting instruction, the note information deleting instruction, the add note instruction, the modify note width instruction, the modify note length instruction, and the zoom instruction .
A local note selection device is applied to a display terminal, and the note is displayed on the display terminal, wherein the device includes:

A note acquiring unit, configured to acquire note information, the note information including coordinate data of all pixels in the note;

A touch display unit, configured to detect the touch action and display the touch track of the touch action according to the touch action;

A trajectory acquiring unit, configured to acquire a closed trajectory of the touch trajectory;

The selecting unit is used to traverse all pixels in the note, and select all sets of pixels surrounded by the closed trajectory. The set of pixels is the selected part of the note.
The local note selection device according to claim 11, wherein the trajectory acquisition unit comprises:

A coordinate point obtaining module, configured to obtain a set of coordinate points sorted in time according to the touch action according to the touch action;

The first judgment module is used to:

Determine whether the coordinate point set has the same first coordinate point and second coordinate point; the first coordinate point is the coordinate point obtained at the first moment, and the second coordinate point is the coordinate point obtained at the second moment , The second moment is greater than the first moment;

If yes, determine whether the first coordinate point and the second coordinate point coincide for the first time. If yes, select the coordinate point obtained from the first time to the second time; from the first time to the second The trajectory formed by the coordinate points acquired between moments is the closed trajectory.
The partial note selection device according to claim 11, wherein the selection unit comprises:

The second judgment module is used for judging whether any one of all pixels is located in the smallest rectangular area where the closed track is located;

A selection module for forming a ray with the pixel point as the origin when the pixel point is within the smallest rectangular area where the closed trajectory is located, and obtaining the number of intersection points of the ray and the closed trajectory, and determining the Whether the number of rays and the closed intersection is an odd number; if so, select the pixel.
The partial note selection device according to claim 13, wherein the second judgment module is specifically configured to:

Obtain the coordinate point data of the closed track; the coordinate point data includes the maximum and minimum values of the abscissa of the closed track, and the maximum and minimum values of the ordinate;

Judging whether the abscissa of any pixel in all the pixels is greater than the minimum value of the abscissa of the closed track and less than the maximum value of the abscissa of the closed track, and the longitudinal of the any pixel Whether the coordinates are greater than the minimum value of the longitudinal coordinate of the closed track and less than the maximum value of the longitudinal coordinate of the closed track.
The partial note selection device according to claim 11, further comprising:

The editing unit is used for partially editing the note, and the editing includes changing the color, merging, splitting, deleting, adding, modifying the width, modifying the length, vertically expanding or reducing, horizontally expanding or reducing, or vertically or horizontally proportionally expanding or Zoom out.
The partial note selection device according to claim 15, wherein the editing unit comprises:

The receiving and executing module is used to receive and execute the color setting instruction, the note information merging instruction, the note information splitting instruction, the note information deleting instruction, the add note instruction, the modify note width instruction, the modify note length instruction, and the zoom for the note partial At least one of the instructions.
An electronic terminal, characterized in that the electronic terminal includes a processor, and when the processor is used to execute a computer program stored in a memory, the local note selection method according to any one of claims 1-10 is implemented.
A readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the steps of the method for partially selecting notes according to any one of claims 1-10 are realized.