CN104537701A - Operation method of vector lines - Google Patents
Operation method of vector lines Download PDFInfo
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- CN104537701A CN104537701A CN201510033812.0A CN201510033812A CN104537701A CN 104537701 A CN104537701 A CN 104537701A CN 201510033812 A CN201510033812 A CN 201510033812A CN 104537701 A CN104537701 A CN 104537701A
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- vector lines
- drawing board
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Abstract
The invention discloses an operation method of vector lines. The operation method comprises the following steps of selecting all vector lines as required; generating a quadrilateral drawing board for drawing and carrying the vector lines by taking the upper, lower, left and right margins of all the selected vector lines as limits; removing all the selected vector lines from an original view, and drawing all the selected vector lines into the quadrilateral drawing board in a way of superposing with the position of the original view; and operating the quadrilateral drawing board, and then, redrawing all the selected vector lines in the quadrilateral drawing board into the original view. According to the operation method, other lines cannot be influenced when the lines are selected to be subjected to editing operation, and the operation can be canceled and reduced to the former step.
Description
Technical field
The application relates to technical field of image processing, particularly relates to a kind of vector lines method of operating.
Background technology
At present, on various electronic equipment (as operating environments such as traditional computer, smart mobile phone, flat boards), the operation such as we often can utilize touch-screen to carry out drawing, handwriting.
Under the prior art, the amendment for the lines having drawn wrong or word realizes mainly through the mode of wiping or shear.The method efficiency of these two kinds amendments is not high, and cannot meet all demands of user, as: the lines itself of the word that user writes or picture are no problem, and just position is not right, or size is not right.In this case, the mode of use erasing inputs original content after modifying and just needing user to wipe again, and the mode sheared then cannot be edited the size of lines.Simultaneously, user also can not wanted that the lines revised are wiped or clip to other positions by these two kinds of modes, as: two lines location partly overlap, but I only wants the single line bar revising the inside, at this time use erasing and shear the lines that all can be modified to user and not want to revise.And once perform erasing or shearing manipulation, user cannot revert to previous step.
Summary of the invention
The object of the application is to provide a kind of vector lines method of operating, can not have influence on other lines, and can cancel to revert to previous step when carrying out editing operation for choosing lines.
According to an aspect of the application, vector lines method of operating is provided, comprises:
Each vector lines are chosen by demand;
Being limited with the border, upper and lower, left and right of all selected vector lines, generating one for carrying the quadrilateral drawing board of vector lines;
All selected vector lines are removed from former view, and is plotted in described quadrilateral drawing board in the ground mode that overlaps with former view location;
Described quadrilateral drawing board is operated, then the described selected vector lines in this quadrilateral drawing board is repainted in former view.
According to such scheme, choosing lines by drawing the mode in closure region, and adopt vector lines to move and convergent-divergent replaces traditional erasing and shearing, other lines when making user can carry out editing operation for choosing lines, can not be had influence on.
In certain embodiments, the vector lines for required selection draw closure figure;
Travel through the unique point of all vector lines, or each vector lines that are contained in described closure figure in crossing with described closure figure are chosen; Wherein, the node identified continuously by preset interval time when described unique point is and draws vector lines, correspondingly can draw out this vector lines by each unique point of vector lines.Thus by closure figure selected vector lines quickly and easily.
In certain embodiments, the unique point of all selected vector lines is deducted first coordinate figure in the described quadrilateral drawing board upper left corner, to calculate the coordinate figure of vector lines on described quadrilateral drawing board, then position is plotted in described quadrilateral drawing board with overlapping.
In certain embodiments, described in be operating as movement, that is: drag described quadrilateral drawing board to final position, get second coordinate figure in the now described quadrilateral drawing board upper left corner, and the unique point of all selected vector lines is added described second coordinate figure.Again the described selected vector lines in this quadrilateral are repainted in former view, to complete mobile operation.
In certain embodiments, describedly be operating as convergent-divergent, that is: convergent-divergent is carried out by zoom factor in the angle dragging described quadrilateral drawing board, after end, the coordinate figure of the unique point of all selected vector lines is multiplied by zoom factor, obtains and add the three-dimensional value in the now described quadrilateral drawing board upper left corner.Again the described selected vector lines in this quadrilateral are repainted in former view, to complete zoom operations.
In certain embodiments, described zoom factor is the width of width divided by quadrilateral drawing board before convergent-divergent of quadrilateral drawing board after convergent-divergent.
In certain embodiments, described in be operating as and copy, that is: copy described quadrilateral drawing board to final position, get the 4-coordinate value in the now described quadrilateral drawing board upper left corner, and the unique point of all selected vector lines is added described 4-coordinate value.Again the described selected vector lines in this quadrilateral are repainted in former view, to complete replicate run.
In certain embodiments, also comprise:
Record positional information and the lines size information of each vector lines before each step action of described operation.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the vector lines method of operating of one embodiment of the invention;
Fig. 2 is the view of vector lines to be modified;
Fig. 3 is the view of vector lines after drafting closure figure;
Fig. 4 is the view of the rear vector lines generating quadrilateral;
Fig. 5 is the view of the vector lines after mobile also convergent-divergent;
Fig. 6 is the view having edited rear vector lines.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are elaborated.
Refer to Fig. 1, according to one embodiment of the present invention, vector lines method of operating comprises the steps:
S1, draws closure figure in vector lines region for the vector lines of required selection, if figure is not closed, starting point is connected with terminal and forms closure.As shown in Figures 2 and 3.
S2, travel through the unique point of all vector lines in view successively, for any vector lines wherein, be all the connecting line of the unique point (node identified continuously by preset interval time when drawing vector lines) on screen after amplification, correspondingly can draw out this vector lines by each unique point of vector lines.Using unique point as key point, using connecting line as key lines.As long as any one unique point in certain vector lines or connecting line are through the closure figure drawn by step one, then these vector lines are just selected for being about to by the vector lines edited, and all selected vector lines are preserved in new array.Particularly, selected vector lines one of meet the following conditions:
A, at least crossing once with drawn closure figure.
B, is completely contained in drawn closure figure.
S3, travel through all selected vector lines, and determine the border of the upper and lower, left and right of all vector lines, calculate generation one for drawing and carrying the quadrilateral drawing board of vector lines, make selected vector lines just in time can repaint in this quadrilateral drawing board, as shown in Figure 4.
S4, obtain first coordinate figure in the quadrilateral drawing board upper left corner, and the key point (unique point) of all selected vector lines is deducted this first coordinate figure, to calculate the coordinate figure of vector lines on described quadrilateral drawing board, then remove selected vector lines, and the vector lines of removal are plotted in this quadrilateral drawing board.Like this, complete the vector lines after drafting just in time also in original position (that is: overlapping with vector lines present position in former view), but be in fact plotted in new view and gone.
S5, operates accordingly to quadrilateral drawing board according to demand, and concrete operation is divided into movement, convergent-divergent and copies.As shown in Figure 5 and Figure 6, wherein,
The realization of movement: press on quadrilateral drawing board with the head of a household, this quadrilateral drawing board can be dragged arbitrarily, drag the second coordinate figure getting the quadrilateral drawing board upper left corner after terminating, and the unique point of all selected vector lines is added described second coordinate figure, again the described selected vector lines location in this quadrilateral drawing board is repainted in former view with overlapping, to complete mobile operation.
The realization of convergent-divergent: first user can move this quadrilateral drawing board, then the lower right corner dragging quadrilateral drawing board realizes convergent-divergent, after convergent-divergent terminates, the key point of all selected vector lines is multiplied by zoom factor (value of zoom factor is: after convergent-divergent, the width of quadrilateral drawing board is divided by the width of quadrilateral drawing board before convergent-divergent), then obtains and add the three-dimensional value in the now described quadrilateral drawing board upper left corner.Again the described selected vector lines location in this quadrilateral drawing board is repainted in former view, to complete zoom operations with overlapping.
The realization copied: copy quadrilateral drawing board to final position, get the 4-coordinate value in the now quadrilateral drawing board upper left corner, and the unique point of all selected vector lines is added described 4-coordinate value.Again the described selected vector lines location in this quadrilateral drawing board is repainted in former view, to complete replicate run with overlapping.
Meanwhile, for each step action of operation, the information of each vector lines all before operation of recording: positional information and lines size information, makes user can cancel any single job action, the state before being reduced to action.
The above is only one embodiment of the present invention; it should be pointed out that to those skilled in the art, without departing from the concept of the premise of the invention; can also make some similar distortion and improvement, these also should be considered as within protection scope of the present invention.
Claims (8)
1. a vector lines method of operating, is characterized in that, comprising:
Each vector lines are chosen by demand;
Being limited with the border, upper and lower, left and right of all selected vector lines, generating one for carrying the quadrilateral drawing board of vector lines;
All selected vector lines are removed from former view, and is plotted in described quadrilateral drawing board in the ground mode that overlaps with former view location;
Described quadrilateral drawing board is operated, then the described selected vector lines in this quadrilateral drawing board is repainted in former view.
2. vector lines method of operating according to claim 1, is characterized in that,
Vector lines for required selection draw closure figure;
Travel through the unique point of all vector lines, or each vector lines that are contained in described closure figure in crossing with described closure figure are chosen; Wherein, the node identified continuously by preset interval time when described unique point is and draws vector lines, correspondingly can draw out this vector lines by each unique point of vector lines.
3. vector lines method of operating according to claim 1, is characterized in that,
The unique point of all selected vector lines is deducted first coordinate figure in the described quadrilateral drawing board upper left corner, to calculate the coordinate figure of vector lines on described quadrilateral drawing board, then position is plotted in described quadrilateral drawing board with overlapping.
4. vector lines method of operating according to claim 1, is characterized in that, described in be operating as movement, that is:
Drag described quadrilateral drawing board to final position, get second coordinate figure in the now described quadrilateral drawing board upper left corner, and the unique point of all selected vector lines is added described second coordinate figure.
5. vector lines method of operating according to claim 1, is characterized in that, described in be operating as convergent-divergent, that is:
Convergent-divergent is carried out by zoom factor in the angle dragging described quadrilateral drawing board, after terminating, the coordinate figure of the unique point of all selected vector lines is multiplied by zoom factor, obtains and adds the three-dimensional value in the now described quadrilateral drawing board upper left corner.
6. vector lines method of operating according to claim 5, is characterized in that, described zoom factor is the width of width divided by quadrilateral drawing board before convergent-divergent of quadrilateral drawing board after convergent-divergent.
7. vector lines method of operating according to claim 1, is characterized in that, described in be operating as and copy, that is:
Copy described quadrilateral drawing board to final position, get the 4-coordinate value in the now described quadrilateral drawing board upper left corner, and the unique point of all selected vector lines is added described 4-coordinate value.
8. the vector lines method of operating according to claim 4 or 5 or 7, is characterized in that, also comprise:
Record positional information and the lines size information of each vector lines before each step action of described operation.
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| CN201510033812.0A CN104537701A (en) | 2015-01-22 | 2015-01-22 | Operation method of vector lines |
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| CN201510033812.0A CN104537701A (en) | 2015-01-22 | 2015-01-22 | Operation method of vector lines |
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Cited By (6)
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| CN105574907A (en) * | 2015-12-18 | 2016-05-11 | 广州视睿电子科技有限公司 | Information processing method and device |
| CN106991711A (en) * | 2017-03-15 | 2017-07-28 | 广州视源电子科技股份有限公司 | Handwriting editing method and system |
| CN110458920A (en) * | 2018-05-08 | 2019-11-15 | 杭州海康威视数字技术股份有限公司 | A kind of handwriting erasing method and device |
| WO2020210977A1 (en) * | 2019-04-16 | 2020-10-22 | 深圳市柔宇科技有限公司 | Local trajectory selection method, trajectory splitting and merging method, electronic device and storage medium |
| CN114296591A (en) * | 2021-12-27 | 2022-04-08 | 泰山信息科技有限公司 | Composite line drawing method and device and related equipment |
| WO2024119565A1 (en) * | 2022-12-08 | 2024-06-13 | 北星空间信息技术研究院(南京)有限公司 | Geographic information system vector data drawing method and apparatus, and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105574907A (en) * | 2015-12-18 | 2016-05-11 | 广州视睿电子科技有限公司 | Information processing method and device |
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| WO2020210977A1 (en) * | 2019-04-16 | 2020-10-22 | 深圳市柔宇科技有限公司 | Local trajectory selection method, trajectory splitting and merging method, electronic device and storage medium |
| CN114296591A (en) * | 2021-12-27 | 2022-04-08 | 泰山信息科技有限公司 | Composite line drawing method and device and related equipment |
| CN114296591B (en) * | 2021-12-27 | 2024-05-28 | 泰山信息科技有限公司 | Composite line drawing method and device and related equipment |
| WO2024119565A1 (en) * | 2022-12-08 | 2024-06-13 | 北星空间信息技术研究院(南京)有限公司 | Geographic information system vector data drawing method and apparatus, and electronic device |
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