CN109767479A - A kind of glyph filling method and system based on dynamic boundary group sequence - Google Patents
A kind of glyph filling method and system based on dynamic boundary group sequence Download PDFInfo
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- CN109767479A CN109767479A CN201811524954.7A CN201811524954A CN109767479A CN 109767479 A CN109767479 A CN 109767479A CN 201811524954 A CN201811524954 A CN 201811524954A CN 109767479 A CN109767479 A CN 109767479A
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Abstract
The present invention discloses a kind of glyph filling method and system based on dynamic boundary group sequence, and method includes: the starting point coordinate for obtaining pel to be filled;It using scan line since row/column where starting point, by row/column treats filling pel region and is scanned, until there is no the boundary points of pel to be filled then to stop scanning for the row/column scanned;The intersecting point coordinate for obtaining scan line and primitive boundary to be filled, marks its frontier properties, and be successively pressed into preset boundary group sequence storehouse;To each intersection point in the group sequence storehouse of boundary, it is combined by into storehouse sequencing and frontier properties, generates the filling line segment of single filling point and/or at least one using two adjoining nodes as two-end-point;The coordinates regional covered to each filling point or filling line segment carries out the filling of pre-set color.The accuracy of primitive boundary can be improved in the present invention, avoids a large amount of recurring problems in traditional fill method, saves stack space, improves glyph filling efficiency.
Description
Technical field
The present invention relates to the pel rendering technique fields in power system visualization engineering, especially a kind of to be based on dynamic side
The glyph filling method and system of boundary's group sequence.
Background technique
Glyph filling refers to the process of that the interior pixels by an irregular pel are filled with specified fill color, in electric power
Have a wide range of applications in system pel field of drawing and figure show in an important classification.
With the rapid development of power industry, the rendering request of system pel is also higher and higher.And the color filling of pel
As an important branch in drafting, the solution of complete set is needed, positions the interior zone position of pel, it is efficiently quasi-
True carry out glyph filling.
Traditional completion method is roughly divided into two kinds, and one is injection methods, also known as flood completion method, it does not emphasize region
Boundary position, but a pixel is set as filling aim colour, then judge the surrounding neighbors of the point with the presence or absence of identical
The point of color just starts setting up if it exists from some specified position as designated color and then recurrence up to the same of all connections
The point of kind color all becomes designated color, to realize filling effect;Another kind is se ed filling algorithm, its basic thought is true
The border pixel values of fixed every a line specify a pixel as filling mark, with given pixel from some target area
Value successively handles each pixel, the stopping when encountering boundary pixel point with direction filling from inside to outside.Inject lacking for completion method
It puts and is accurately position boundary, efficiency is not also high;The recursive hierarchical of seed fill algorithm with filling region increase
And increase, be easy to cause spilling, and when due to recursive call function many pixels need it is accessed repeatedly, space expense
Greatly, efficiency of algorithm is not equally high.
Summary of the invention
The object of the present invention is to provide a kind of glyph filling methods based on dynamic boundary group sequence, improve primitive boundary
Accuracy avoids a large amount of recurring problems in traditional fill method, saves stack space, improves glyph filling efficiency.
The technical scheme adopted by the invention is as follows: a kind of glyph filling method based on dynamic boundary group sequence, comprising:
Obtain the starting point coordinate of pel to be filled;
Using scan line since row/column where starting point, by row/column treats filling pel region and be scanned, directly
To the row/column scanned, there is no the boundary points of pel to be filled then to stop scanning;
The intersecting point coordinate for obtaining scan line and primitive boundary to be filled, marks its frontier properties, and be successively pressed into preset
In the group sequence storehouse of boundary;
It to each intersection point in the group sequence storehouse of boundary, is combined, generates single by into storehouse sequencing and frontier properties
The filling line segment of a filling point and/or at least one using two adjoining nodes as two-end-point;
The coordinates regional and/or filling points that covered to each filling line segment carry out the filling of pre-set color.
The present invention is in use, when last line or a column scan finish, and then the filling of filling line segment finishes accordingly, then
The filling of pel to be filled is also completed.The present invention obtains the boundary point in glyph filling region using scan line, and pel side can be improved
The accuracy on boundary, while the present invention, by setting boundary group sequence storehouse, dynamic storage scans obtained pel region every time
Boundary point, and then by the filling conversion of pel for the filling to filling line segment, and the filling for filling line segment to every only identifies
Its two-end-point avoids the complicated processes of coordinate points judgement one by one, is greatly improved the efficiency of glyph filling.
Preferably, the starting point coordinate of the pel to be filled is the apex coordinate of pel to be filled, and obtaining step includes:
S101 obtains any point coordinate inside pel to be filled;
S102, since the point coordinate that S101 is obtained, traversal obtains the step point of first pixel value from bottom to top, by the step
Point is used as first boundary point;
S103 traverses up the step point of pixel value since first boundary point line by line, or with first boundary point pixel
It is worth identical point, until when no longer monitoring to put accordingly, previous row is traversed for certain a line Far Left or rightmost
Starting point of the point as filling scanning, and obtain the coordinate of the point.
Step S101 can arbitrarily be clicked by manually by mouse specified.
As other embodiments, the starting point coordinate of the pel to be filled be pel to be filled minimum point coordinate,
Left end apex coordinate or right end apex coordinate.Acquisition modes all can refer to the obtaining step on vertex, adjust traversal order.Afterwards
Continuous when being scanned using scan line, according to the difference of filling starting point, horizontal line is can be used (for filling starting point in scan line
For vertex or minimum point) or vertical line (being Zuo Dingdian or right vertex for filling starting point), scanning sequency can also be adapted to
The adjustment of property.
When filling the vertex or minimum point that starting point is pel to be filled, the scan line is that ordinate is sweeping for y
Line is retouched, each row of pel region to be filled is gradually scanned using the scan line.Under this embodiment, the present invention is treated
The integral-filled sequence of pel is filled as from top to bottom or from top to bottom.
When filling the left end vertex or right end vertex that starting point is pel to be filled, the scan line is that abscissa is x
Scan line, each column of pel region to be filled are gradually scanned using the scan line.Under this embodiment, the present invention
The integral-filled sequence of filling pel is treated as from left to right or from right to left.
Preferably, the invention also includes: obtain the starting point pixel value of pel to be filled;It is scanned using scan line
When, it is whether identical as the filling pixel value of starting point according to the pixel value of scanned point, judge respective point whether be scan line with
The intersection point of primitive boundary to be filled;The frontier properties of the intersection point are that filling starting or filling terminate.It is swept if pixel is identical
Described point is boundary point.The boundary point of pel to be filled " row or column of scanning be not present " namely corresponding scan line not with
Graph element intersecting to be filled.The frontier properties of intersection point provide foundation for the generation of subsequent filling line segment, and the label of the attribute can basis
The point generates the number that moment current scan line intersects with primitive boundary to be filled to determine, then frontier properties are filling to odd-times
Starting, then frontier properties are that filling terminates to even-times, and when being subsequently generated filling line segment, line segment is terminated from filling starting point to filling
Point fills into intermediate coordinate points.
As another embodiment, it when being scanned using scan line, is swept according to current scanned point with previous
Whether the pixel of described point occurs step, judges whether current scanned point is boundary point.If previous scanned point is boundary point,
Step has occurred in current scan point pixel, then current scanned point is non-boundary point;If previous scanned point is non-boundary point,
Step has occurred in current scan point pixel, then current scanned point is boundary point, and step does not occur, and then current scan point is still non-
Boundary point.
Further, when boundary point identification is using pixel value step rule: when being scanned using scan line, sweeping every time
Before retouching, preset filling flag bit is initialized, in scanning process, Spline smoothing occurs for scanned point pixel then corresponding every time
Switch filling mark place value between zero and one once;
For each intersection point of scan line and pel to be filled, corresponding intersection point is generated into moment corresponding filling together with it and is indicated
Boundary group sequence storehouse is written in place value.This makes the present invention when generating filling line segment, can be identified by filling flag bit wait fill out
The boundary for filling pel, guaranteeing that each item fills the coordinate points that line segment is covered is all the point inside pel to be filled, and then after guarantee
The continuous filling to filling line segment is correct.
As an implementation, every time scanning before, will filling flag bit be initialized as 0, current scan line with wait fill out
When the boundary intersection number for filling pel is odd-times, setting filling flag bit is 1, when intersecting number is even-times, sets filling mark
Will position is 0;
For being pressed into each intersection point of boundary group sequence storehouse, according to its corresponding filling mark place value: based on indentation sequencing
It is combined between any two from 1 to 0, obtains the filling starting point and end-of-fill point of each filling line segment;Or for the latter
Intersection point is still the filling starting point for filling starting point, separately as a filling point.When subsequent filling, then it is from filling flag bit
1 intersection point starts to fill, the intersection point then end-of-fill for being 0 to filling flag bit, for single filling point according to other boundary points
It is filled.
Certainly, the 0/1 state setting for filling flag bit can be exchanged.
Invention additionally discloses a kind of glyph filling systems based on dynamic boundary group sequence, comprising:
It fills starting point and obtains module, for obtaining the starting point coordinate of pel to be filled;
Boundary point scan module, for treating filling pel region line by line or column by column since starting point using scan line
It is scanned, until there is no the boundary points of pel to be filled then to stop scanning for the row or column scanned;
Boundary point coordinate obtaining module is pressed for obtaining the intersecting point coordinate of scan line Yu pel to be filled in real time, and successively
Enter in preset boundary group sequence storehouse;
Line segment generation module is filled, for carrying out group two-by-two by stacking order is entered to each intersection point in the group sequence storehouse of boundary
It closes, obtains filling line segment of at least one using intersection point combination as two-end-point;
And color filling module, coordinates regional and/or filling point for being covered to each filling line segment carry out pre-set color
Filling.
Beneficial effect
The present invention combines dynamic group sequence storehouse by obtaining filling pel boundary point using scan-line algorithm, according to boundary
Point generates filling line segment in real time, and the filling for filling pel is converted to the filling to multiple filling line segments respectively, the process of filling
Avoid recurrence, improve conventional method pass in return a large amount of pixel when calling function need it is accessed repeatedly caused by sky
Between the big problem of expense, substantially increase charging efficiency, can be significantly excellent for the circuit diagram for possessing large amount of complex pel
Change the time of loading and its display of its picture.Meanwhile the present invention passes through scan-line algorithm combination marker to filling pel side
Boundary is judged, the assurance to boundary is also improved while improving charging efficiency, can improve the problem of filling is crossed the border.
Detailed description of the invention
Fig. 1 show the method for the present invention flow diagram.
Specific embodiment
It is further described below in conjunction with the drawings and specific embodiments.
During glyph filling of the present invention, in order to improve the efficiency of glyph filling, primitive boundary to be filled is first passed through
It obtains, calculates the minimum filling section of filling line segment, rather than point carries out pixel filling one by one.Simultaneously, it is contemplated that draw figure
The shape particularity of member, the present invention is provided with memory space, that is, dynamic boundary group sequence storehouse of a storehouse, dynamically to store
The intersection point of scan line and filling primitive boundary, using the line segment between every two adjacent intersection point as filling line segment, multiple fillings
The covered coordinate points of line segment form filling target point group sequence, therefore do not need to use recursive side as other filling algorithms
All pixels point also untreated around current region is all pressed into storehouse by formula.
The present invention scans pel region position, every scanning from top to bottom or from left to right in the way of scan line
Line all can generate a series of intersection point with the boundary of pel, these intersection points be ranked up according to coordinate, then by the point after sequence
Filling line segment, two endpoints of the every two point as filling line segment are reassembled into, and are sequentially filled pixel according to coordinate sequence
Segment, until encountering boundary.
Embodiment 1
The present invention is based on the glyph filling methods of dynamic boundary group sequence, comprising:
Obtain the starting point coordinate of pel to be filled;
It treats filling pel region line by line or column by column since starting point using scan line to be scanned, until being scanned
Row or column then stop scanning there is no the boundary point of pel to be filled;
The intersecting point coordinate of scan line and primitive boundary to be filled is obtained in real time, and is successively pressed into preset boundary group sequence heap
In stack;
To each intersection point in the group sequence storehouse of boundary, it is combined by into stacking order, obtains at least one with intersection point group cooperation
For the filling line segment of two-end-point;
The coordinates regional and/or filling points that covered to each filling line segment carry out the filling of pre-set color.
The starting point coordinate of the pel to be filled is the apex coordinate of pel to be filled, and obtaining step includes:
S101 obtains any point coordinate inside pel to be filled;
S102, since the point coordinate that S101 is obtained, traversal obtains the step point of first pixel value from bottom to top, by the step
Point is used as first boundary point;
S103 traverses up the step point of pixel value since first boundary point line by line, or with first boundary point pixel
It is worth identical point, until when no longer monitoring to put accordingly, previous row is traversed for certain a line Far Left or rightmost
Starting point of the point as filling scanning, and obtain the coordinate of the point.
Step S101 can arbitrarily be clicked by manually by mouse specified.
As other embodiments, the starting point coordinate of the pel to be filled be pel to be filled minimum point coordinate,
Left end apex coordinate or right end apex coordinate.Acquisition modes all can refer to the obtaining step on vertex, adjust traversal order.Afterwards
Continuous when being scanned using scan line, according to the difference of filling starting point, horizontal line is can be used (for filling starting point in scan line
For vertex or minimum point) or vertical line (being Zuo Dingdian or right vertex for filling starting point), scanning sequency can also be adapted to
The adjustment of property.
When filling the vertex or minimum point that starting point is pel to be filled, the scan line is that ordinate is sweeping for y
Line is retouched, each row of pel region to be filled is gradually scanned using the scan line.Under this embodiment, the present invention is treated
The integral-filled sequence of pel is filled as from top to bottom or from top to bottom.
When filling the left end vertex or right end vertex that starting point is pel to be filled, the scan line is that abscissa is x
Scan line, each column of pel region to be filled are gradually scanned using the scan line.Under this embodiment, the present invention
The integral-filled sequence of filling pel is treated as from left to right or from right to left.
Further include: obtain the starting point pixel value of pel to be filled;When being scanned using scan line, according to scanned point
Pixel value whether with filling the pixel value of starting point it is identical, judge whether respective point is scan line and primitive boundary to be filled
Intersection point;The frontier properties of the intersection point are that filling starting or filling terminate.Then being scanned point if they are the same is boundary point.It is described " to sweep
The boundary point of pel to be filled is not present in the row or column retouched " namely corresponding scan line not with graph element intersecting to be filled.
As another embodiment, it when being scanned using scan line, is swept according to current scanned point with previous
Whether the pixel of described point occurs step, judges whether current scanned point is boundary point.If previous scanned point is boundary point,
Step has occurred in current scan point pixel, then current scanned point is non-boundary point;If previous scanned point is non-boundary point,
Step has occurred in current scan point pixel, then current scanned point is boundary point, and step does not occur, and then current scan point is still non-
Boundary point.
Further, when boundary point identification is using pixel value step rule: when being scanned using scan line, sweeping every time
Before retouching, preset filling flag bit is initialized, in scanning process, Spline smoothing occurs for scanned point pixel then corresponding every time
Switch filling mark place value between zero and one once;
For each intersection point of scan line and pel to be filled, corresponding intersection point is generated into moment corresponding filling together with it and is indicated
Boundary group sequence storehouse is written in place value.This makes the present invention when generating filling line segment, can be identified by filling flag bit wait fill out
The boundary for filling pel, guaranteeing that each item fills the coordinate points that line segment is covered is all the point inside pel to be filled, and then after guarantee
The continuous filling to filling line segment is correct.
As an implementation, every time scanning before, will filling flag bit be initialized as 0, current scan line with wait fill out
When the boundary intersection number for filling pel is odd-times, setting filling flag bit is 1, when intersecting number is even-times, sets filling mark
Will position is 0;
For being pressed into each intersection point of boundary group sequence storehouse, according to its corresponding filling mark place value: based on indentation sequencing
It is combined between any two from 1 to 0, obtains the filling starting point and end-of-fill point of each filling line segment;Or for the latter
Intersection point is still the filling starting point for filling starting point, separately as a filling point.When subsequent filling, then it is from filling flag bit
1 intersection point starts to fill, the intersection point then end-of-fill for being 0 to filling flag bit.
Certainly, the 0/1 state setting for filling flag bit can be exchanged.
Embodiment 2
Refering to what is shown in Fig. 1, method of the present embodiment based on dynamic boundary group Sequence Filling pel, comprising steps of
S1 obtains filling starting point coordinate, comprising:
S101 is clicked inside any point of pel to be filled using mouse, obtains the coordinate;
S102 traverses to obtain first coboundary of the pel to be filled of respective column from bottom to top since the point coordinate of selection
Point;
S103, since first coboundary point, according to from left to right, traversal mode from bottom to top, traversal to certain a line not
Boundary point is monitored again, then is filled out the left boundary of the previous row of row point as the starting point of filling scanning namely scan line
Initial point is filled up, the coordinate is obtained;
Since S2 carry out pel scanning using scan line filling starting point from left to right line by line;Filling is marked before scanning every time
Will position is initialized as 0, and first intersection point that scan line and graph element intersecting generate is filling initial point p1, accordingly indicates filling
Position flag is set to 1;
Scanning continues, and scans all until scan line encounters the boundary of corresponding line every time, during this period scan line and primitive boundary
Filling flag bit flag is set to 1 when the number of intersection is odd-times, indicates entry into filling region, and intersection number is schemed when being even-times
Member filling flag bit flag is set to 0, indicates filling halt;Since the location of p1 point, when flag becomes 0, record
Boundary point p2, and so on until single sweep operation terminate, carry out the scanning of next line;
S3, the intersection point for obtaining scan line and primitive boundary charge to dynamic boundary group sequence, can enter dynamic according to intersection point at this time
The sequence of boundary group sequence, and flag bit is filled accordingly, the combination of endpoint is carried out, such as P1 and P2, i.e., by p1 to p2
Between in lateral all coordinate points write-in dynamic coordinate group H, generate P1 point to the filling line segment of P2, this step avoids one by one
Coordinate points judge cumbersome, only need to obtain the left and right boundary point in a certain section, then automatically generate filling straightway, subtract significantly
The processing time is lacked;
Continue next section scanning judgement, by flag from 0 become 1 corresponding coordinate point be set to it is next filling section starting
Flag mark 1 until when scan line, which meets next one boundary flag, becomes 0, and is become the coordinate between 0 by point
It is successively added in set of coordinates H, similarly generates all filling line segments.The step is being improved to a certain degree to primitive boundary restriction
Accuracy also can be effectively carried out judgement especially for irregular pel, avoid filling cross the border;
S4, the coordinates regional and/or filling points that covered to each filling line segment carry out the filling of pre-set color.
The present embodiment can successively refer to the coordinate in dynamic boundary group sequence H after each single row scan
Determine the drafting of color, the y-coordinate of scan line is then added into 1 pixel unit, moves to next line scanning, scan operation is until certain a line
Stopping when no longer there is pel area coordinate.
After set of coordinates traversal filling in dynamic boundary group sequence, glyph filling is completed therewith.
Verified, compared to existing technical solution, inventive method as described herein avoids a large amount of recurrence, saves
A large amount of stack spaces, filling time shorten 30 percent;Filling for pel region solves existing method to not advising
Then the filling that is be easy to cause of limitation of primitive boundary judgement crosses the border, especially dirty point, unfilled corner etc. occurs in pel corner and ask
Topic, substantially increases the accuracy of glyph filling, also ensures the high efficiency of glyph filling.
Embodiment 3
The present embodiment is a kind of glyph filling system based on dynamic boundary group sequence, comprising:
It fills starting point and obtains module, for obtaining the starting point coordinate of pel to be filled;
Boundary point scan module, for since row/column where starting point, by row/column treating filling pel using scan line
Region is scanned, until there is no the boundary points of pel to be filled then to stop scanning for the row/column scanned;
Boundary point coordinate obtaining module marks its side for obtaining the intersecting point coordinate of scan line Yu primitive boundary to be filled
Boundary's attribute, and be successively pressed into preset boundary group sequence storehouse;
Fill line segment generation module, for each intersection point in the group sequence storehouse of boundary, by the sequencing for entering storehouse and
Frontier properties are combined, and generate the filling line segment of single filling point and/or at least one using two adjoining nodes as two-end-point;
And color filling module, coordinates regional and/or filling point for being covered to each filling line segment carry out pre-set color
Filling.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The embodiment of the present invention is described in conjunction with attached drawing above, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of glyph filling method based on dynamic boundary group sequence, characterized in that include:
Obtain the starting point coordinate of pel to be filled;
Using scan line since row/column where starting point, by row/column treats filling pel region and be scanned, directly
To the row/column scanned, there is no the boundary points of pel to be filled then to stop scanning;
The intersecting point coordinate for obtaining scan line and primitive boundary to be filled, marks its frontier properties, and be successively pressed into preset
In the group sequence storehouse of boundary;
To each intersection point in the group sequence storehouse of boundary, it is combined, generates by the sequencing and frontier properties that enter storehouse
The single filling line segment of filling point and/or at least one using two adjoining nodes as two-end-point;
The coordinates regional and/or filling points that covered to each filling line segment carry out the filling of pre-set color.
2. according to the method described in claim 1, it is characterized in that, the starting point coordinate of the pel to be filled is pel to be filled
Apex coordinate, obtaining step includes:
S101 obtains any point coordinate inside pel to be filled;
S102, since the point coordinate that S101 is obtained, traversal obtains the step point of first pixel value from bottom to top, by the step
Point is used as first boundary point;
S103 traverses up the step point of pixel value since first boundary point line by line, or with first boundary point pixel
It is worth identical point, until when no longer monitoring to put accordingly, previous row is traversed for certain a line Far Left or rightmost
Starting point of the point as filling scanning, and obtain the coordinate of the point.
3. according to the method described in claim 2, it is characterized in that, the starting point coordinate of the pel to be filled is pel to be filled
Minimum point coordinate, left end apex coordinate or right end apex coordinate.
4. according to the method described in claim 1, it is characterized in that, the scan line is the scan line that ordinate is y, using described
Scan line gradually scans each row of pel region to be filled.
5. according to the method described in claim 1, it is characterized in that, the scan line is the scan line that abscissa is x, using described
Scan line gradually scans each column of pel region to be filled.
6. according to the method described in claim 1, it is characterized in that, further includes: obtain the starting point pixel value of pel to be filled;Benefit
When being scanned with scan line, whether identical as the filling pixel value of starting point according to the pixel value of scanned point, judgement is corresponding
Point whether be scan line Yu primitive boundary to be filled intersection point;The frontier properties of the intersection point are that filling starting or filling terminate.
7. according to the method described in claim 1, it is characterized in that, when being scanned using scan line, according to current scanned point
Step whether occurs with the pixel of previous scanned point, judges whether current scanned point is boundary point.
8. according to the method described in claim 7, it is characterized in that, when being scanned using scan line, every time scanning before, will be pre-
If the initialization of filling flag bit, in scanning process, a Spline smoothing, which occurs, for scanned point pixel every time then marks accordingly filling
Will place value switches once between zero and one;
For each intersection point of scan line and pel to be filled, corresponding intersection point is generated into moment corresponding filling together with it and is indicated
Boundary group sequence storehouse is written in place value.
9. according to the method described in claim 8, it is characterized in that, every time scanning before, will filling flag bit be initialized as 0, working as
Preceding scan line intersect with the boundary of pel to be filled number be odd-times when, set filling flag bit be 1, intersection number be even number
When secondary, setting filling flag bit is 0;
For being pressed into each intersection point of boundary group sequence storehouse, according to its corresponding filling mark place value: based on indentation sequencing
It is combined between any two from 1 to 0, obtains the filling starting point and end-of-fill point of each filling line segment;Or for the latter
Intersection point is still the filling starting point for filling starting point, separately as a filling point.
10. a kind of glyph filling system based on dynamic boundary group sequence, characterized in that include:
It fills starting point and obtains module, for obtaining the starting point coordinate of pel to be filled;
Boundary point scan module, for since row/column where starting point, by row/column treating filling pel using scan line
Region is scanned, until there is no the boundary points of pel to be filled then to stop scanning for the row/column scanned;
Boundary point coordinate obtaining module marks its side for obtaining the intersecting point coordinate of scan line Yu primitive boundary to be filled
Boundary's attribute, and be successively pressed into preset boundary group sequence storehouse;
Fill line segment generation module, for each intersection point in the group sequence storehouse of boundary, by the sequencing for entering storehouse and
Frontier properties are combined, and generate the filling line segment of single filling point and/or at least one using two adjoining nodes as two-end-point;
And color filling module, coordinates regional and/or filling point for being covered to each filling line segment carry out pre-set color
Filling.
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CN112347727A (en) * | 2019-08-08 | 2021-02-09 | 深圳市立创软件开发有限公司 | Filling type copper-clad method, system, equipment and storage medium supporting arc edges |
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CN113191311A (en) * | 2021-05-19 | 2021-07-30 | 广联达科技股份有限公司 | Filling boundary identification method, device and equipment of vector PDF drawing and storage medium |
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CN115294235A (en) * | 2022-10-08 | 2022-11-04 | 广州中望龙腾软件股份有限公司 | Bitmap-based graphic filling method, terminal and storage medium |
CN115294236B (en) * | 2022-10-08 | 2023-03-10 | 广州中望龙腾软件股份有限公司 | Bitmap filling method, terminal and storage medium |
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