CN106774973A - A kind of font generation method of the structure and style based on Chinese character - Google Patents
A kind of font generation method of the structure and style based on Chinese character Download PDFInfo
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- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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Abstract
The invention discloses a kind of font generation method of the structure and style based on Chinese character, the font generation method of the structure and style based on Chinese character is based on the coding of Chinese character and Chinese character pattern is summarised as static and two kinds of forms of dynamic by description, is the Chinese character pattern structure of basic description unit with basic pen unit, combined pen unit and extension pen unit；Set up the Chinese character dynamic generation model based on character form structure；Establish the Chinese-character stroke style generation model based on character form structure.It is of the invention compared with existing Chinese character generation technique, dynamic generation model proposed by the present invention, with real-time and dynamic, and the more preferable network storage and network controlled attribute, the purpose of the Chinese character pattern for quickly generating different-style is reached, for the design of Chinese character pattern and the service of Chinese character pattern provide a kind of new thinking.
Description
Technical field
The invention belongs to Technology of Chinese Information Processing field, more particularly to a kind of font of the structure and style based on Chinese character
Generation method.
Background technology
Chinese character pattern computing system is the foundation stone of the information industry development, before 30 years, in order to Chinese character is input into computer, state
Inside and outside computer scholar has paid huge work, and the Chinese character letter of double byte is finally developed in English-word section basis of coding
The method for expressing of breath.Encoding Chinese characters system results from Chinese character into computer extremely difficult age, although so far, still
Servicing includes the development of future information technology at present, but is accompanied by the great-leap-forward development of the network information technology, Chinese character information
The environment for the treatment of has occurred that deep change, traditional encoding Chinese characters system Internet era but show it is many not
Foot and no life.Hanzi system in current all kinds of computer systems is the encoding Chinese characters being designed according to one yard of a word
System, is only mounted with the font file of certain font in a computer, and Chinese character document can just be used properly, if Chinese character is literary
Shelves have used the font storehouse being fitted without in computer, and document can then show mess code.Encoding Chinese characters system is for information is exchanged
It is convenient and design, but as personalized and digital technology height develops, this traditional encoding mechanism is very not just rendered
Just.Especially for Chinese dynasties word, the digital publication problem of document, a kind of effective solution party can't be found at present
Case.Simultaneously for the personalization expression of daily Chinese character, for example, the expression of wrongly written character font, the expression of personal letter font etc. have very
It is big difficult.The stroke and part of deficiency (1) Chinese character of representation are difficult to be input into.In encoding Chinese characters system, code has only been compiled
Word can just be input into, and Chinese culture flows length in a steady stream, and at present, many Chinese characters (particularly ancient writing) do not encode still, let alone
The stroke and part of Chinese character.(2) Chinese-character stroke is difficult decomposes.Except having stroke in regular script character library in traditional code Chinese character pattern
Outside decomposed information, other Chinese-character strokes decompose extremely difficult.(3) the difficult editor of Chinese character wrongly written character.In Chinese character teaching, wrongly written character and do not advise
Model word is most basic teaching element, but current encoding Chinese characters system has no idea to realize, not only have impact on the digitlization Chinese
The development of language teaching, also for the depth calculation research of natural language brings difficulty.(4) the personalized difficult embodiment of Chinese character.Digitlization
Epoch Chinese character loses a very important feature --- personalized Chinese character, although a herringbone can be made by character library developer
Body, but implement extremely difficult.The encoded question of deficiency (1) variant Chinese character of coded system.Encoding of chinese characters solves Chinese character
The digital publication problem exchangeed problem with Chinese characters in common use, but it is extremely difficult to the coding of variant Chinese character and ancient Chinese character, have impact on
The development of Chinese character digitalized and informationization technology.(2) forget what to write when actually writing problem.In the encoding Chinese characters epoch, simply entering phonetic just can be with
Automatically it is guided out Chinese character so that writing for Chinese character loses meaning.One one yard of word, whole word coding is to cause " forgetting what to write when actually writing " phenomenon
A key factor.(3) personal character library problem.The digitized epoch, it is difficult to the greeting mode of " meeting letter is such as " is seen again, no
Manage you write on your personal terminal how individual character, short message or wechat that other side receives will become " " " Song " without exception
" pattern " " imitative " four faces.Technology of Chinese Information Processing research has begun to move towards micro- from macroscopic view by the development of decades
See, move towards personalized, move towards the fine processing stage from scale treatment from general, in this change procedure, increasing use
Family increasingly strengthens personalized Chinese character expression and the technology of quick Chinese character generation and the demand of method.Research is more quick,
Convenient Chinese character generation strategy is increasingly valued by people.For example, under cloud computing environment, unit file system originally
Have spread over network and distributed File System, information document is no longer a kind of static content and single version, and
It is with dynamic, three-dimensional space-time, multi-user's property, multi-security level(MSL), multimedia and multi version " work " property document.Such as
What information and document to these " work " structurings is dynamically represented, is to realize Chinese character information in the cloud computing service epoch
The key that property is represented.The personalized of Chinese character represents that attribute has many aspects, but most basic attribute only has two, and one is the Chinese
Word structure, another is the style of Chinese character, and Chinese character is the art that Hanzi structure and stroke style are highly merged, therefore personalization
Chinese character pattern research will not only study the structure of Chinese character, but also study the style of Chinese character.Traditional information storage means is
(such as database) is stored in the way of structured document, and the Chinese character related to this is carried out with the information coding form of standard
Calculate, this tactful disadvantage is that the structure and style to Chinese character difficult to realize carries out independent calculating, is divided from structure
Analysis, Chinese character is different from English alphabet, not only enormous amount, and complex structure, produces that a set of Hanzi font library cycle is long, task
Weight, realizes that personalized expression is hardly possible.Analyzed from style, writing for Chinese-character stroke be changeful, it is difficult to unified
Formalization method goes expression.In recent years, on the one hand researcher enters in terms of Stroke decomposition, Chinese character generation and stroke generation etc.
Row is researched and analysed, and is on the other hand also studied in terms of description technique of the coding of Chinese character and Chinese character etc..Chinese character is automated
The main purpose of generation technique is partly in order to solve the problem that quickly generates of a large amount of Chinese character patterns, it is understanding to be on the other hand
Certainly personalized computerized problem.The automatic metaplasia technology of Chinese character pattern conventional at present is taken a broad view of, the generation technique of Chinese character is general
Bracket and be broadly divided into two classes, a class is the static generation method based on encoding of chinese characters, another kind of is dynamic based on Chinese character description
State generation method.The static generation method of Chinese character, is the encoded attributes fixed based on modern Chinese character, with fixed Hanzi structure pair
The Chinese character computation model that the stroke and structure of Chinese character are constructed.1) the mosaic method part mosaic based on part is exactly to utilize the Chinese
The characteristics of word is made up of radical, by designing a small amount of Chinese-character stroke and part, is combined into the method for whole Chinese character.Although
The result of part mosaic is a kind of dynamic combined of new font, but because the changeability of stroke structure is poor, therefore fall within quiet
The Chinese character generating method of state.2) stroke group word method is to be based on the difference of stroke style in different Chinese character and separately design different
Stroke constitutes the method for designing of different fonts.3) serial word method of formation is exactly to make from thick a kind of word of style as needed
To a series of thin character libraries, to adapt to the different applications such as text, big subhead.The style of serial word is identical, and simply stroke is thick
It is thin different.Most thick and most thin two word can be first made, the word of middle thickness is then automatically generated.Above-mentioned three kinds of methods no doubt may be used
Generated with the automation for realizing part font, but be substantially all and be directed to for a certain font, and part and pen to generating
The dependence of picture is larger, for example：Boldface type can generate different blacking bodies, and Li Shu Ti can generate person in servitude's variant, and in life
Also need to do very big improvement on into quality and quantity, many technologies and method are all also in the experimental study stage.Based on description
The dynamic creation method coding of Chinese character is the simple expression of complex object, the main purpose of encoding Chinese characters be in order to information is exchanged,
Be not suitable for dynamic combined and the generation of Chinese character pattern, therefore just occur in that current Chinese character pattern design efficiency is low and personalization
The problems such as Chinese character is difficult to, in order to solve this problem, some researchers start outside Chinese character is compiled by defining the Chinese
The structure and create-rule of word are dynamically generated Chinese character, main at present in order to the generation method with encoding Chinese characters is distinguished
Dynamic Chinese character generation method has following several：1) the dynamic group word method described based on Hanzi component and stroke is based on Hanzi component
The dynamic group word method described with stroke is directed to the Chinese character enormous amount of expression information, the machine group word of Chinese character, group word efficiency
The method that be indicated for the different parts and stroke of Chinese character by relatively low the problems such as and the use special tag that occurs.Representational master
Have Hong Kong Baptist University propose Han Glyph, Univ California-Berkeley propose based on stroke and Chinese character portion
Font description language CDL (Character Description language) of part etc..If component representation is further
Refinement, be exactly stroke description, it is very good that this respect Han Glyph and CDL are made, and has taken into account two kinds of description sides of part and stroke
The combination of method, three hierarchical structures such as control point, skeleton and profile are divided into by Chinese character, especially receive the attention of Chinese character scholar,
And extended from many aspects, SCML (Structural Character Modeling Language) is exactly in CDL
On the basis of propose a kind of method for carrying out comprehensive description that font and structure fusion get up.Chinese character portion for the purpose of group word
The description of part and stroke, the overwhelming majority is marked using digital label to the structure of Chinese character, and its main purpose is the Chinese to be realized
The Intelligent Recognition of word intelligent input and document.It is characterized in for the overall structure description of Chinese character having pushed ahead a step, in stroke
Decompose, identification and calculating aspect are obviously better than with the words description scheme in units of whole word.2) it is expressed as mesh with rare characters
Chinese character pattern a segment description, a segment description be by Chinese character component description continue refine description method, here pen section
It is the subset of stroke, it can be a part for stroke or stroke.In terms of a segment description, in the hanzi form based on pen section
Description aspect has done very deep research work, it is proposed that the rarely used word based on stroke segment mesh, wrongly written character input scheme.3) with dynamic group
Pen unit description for the purpose of word and generation font, pen unit is directive pen section, and it is retouched according to the lettering feature of Chinese character in pen section
While stating, row directional attributes description during Chinese-character writing is added, and by the tie point between stroke or pen section
Classified description is carried out with boundary's point, stationary point or gesture point, makes description process more succinct, be more suitable for the word of Chinese character (including all kinds of fonts)
Shape is calculated.
The above method has the following disadvantages：
One is that the storage scheme of the Hanzi font library that is all based on current standard is designed, without the high in the clouds storage for solving Chinese character
Problem.
Two is that the whole word structure for being all based on Chinese character is designed, even if indivedual strokes and part that take into account Chinese character,
But it is also to be carried out in stroke structure above level, lacks the profound level parsing to Chinese-character stroke.
Three is that above scheme is all based on the information exchange functions of Chinese character and is designed, and is lacked to the dynamic in real time of Chinese character pattern
State generates the solution of scheme.
Four is consideration of the above scheme shortage to aspects such as Chinese character style design and the conversion of Chinese character pattern, especially to Chinese character
The generation technique of the style of font and the Chinese character generation technique based on style do not provide realistic plan.
The content of the invention
It is an object of the invention to provide a kind of font generation method of the structure and style based on Chinese character, it is intended to solve the Chinese
The problems such as high in the clouds storage of word, the dynamic generation of the font design of Chinese character, Chinese character and the conversion of Hanzi structure and style and reconstruction.
The present invention is achieved in that a kind of font generation method of the structure and style based on Chinese character, described based on the Chinese
The font generation method of the structure and style of word is based on the coding of Chinese character and Chinese character pattern is summarised as static and dynamic two by description
The form of kind, with basic pen unit, combined pen is first and extension pen unit is the basic Chinese character pattern structure for describing unit；Set up and be based on font
The Chinese character dynamic generation model of structure, i.e., generate the model of Chinese character pattern or stroke style based on Hanzi features point；Establish
Chinese-character stroke style generation model based on character form structure.It is generation and former Chinese character after Hanzi structure or stroke structure are converted
Stroke or the different font of structure.
Further, described that Chinese character pattern is resolved into two levels of structure and style, structure sheaf is used for server end Chinese character
The storage of character form structure, style layer is for the generation in all kinds of Chinese-character strokes of client.
Further, pen unit be Chinese-character stroke characteristic point between, between characteristic point and stationary point or between stationary point and stationary point
One directive line segment；If T (vs,ve) be Chinese-character stroke two characteristic points, vz1, vz2…vznWherein n stationary point, then the Chinese
The pen unit of word is expressed as：
Y(vzi,vzj)；
If representing the stroke of Chinese character with pen unit Y, have：
T(vs,ve)=Y (vz1,vz2)+Y(vz2,vz3)+……+Y(vzi,vzj) wherein, i, j ∈ { 1,2,3 ..., n }；Chinese character
Pen unit set be set of characteristic points a subset, the stationary point in each Chinese-character stroke is random or uncertain, is
Dynamic.Z represents stationary point quantity, and v is the coordinate for representing stationary point, and subscript i represents the quantity or number in stationary point, and Y represents pen unit, T tables
Show characteristic point, S represents pen unit.
Further, the basic pen unit of Chinese character is the pen unit corresponding with the basic stroke of composition Chinese character, only two, pen unit
Characteristic point, expression formula is expressed as：
S12=(x1,y1,x2,y2)；
In addition to basic pen unit, the combination of other strokes or part is referred to as combined pen unit, and expression formula is expressed as：
CPie=Pie1+Pie2+…+Piei；
The pen unit that extension pen unit is made up of one or more basic pen units and combined pen unit, expression formula extension is represented
For：
Ti=﹣ Pie；
Equally, the left hook and right hook of Chinese character are expressed as：
RGou=﹣ Pie；
LGou=﹣ Na.
Further, the weight vector of feature points realizes the dynamic generation of a stroke, by basic pen unit and extension pen
The definition of unit realizes the output of special font, for the interpolation processing of the sparse data described by pen unit；One pen unit can be with
The multiple pen unit vectors of definition, multiple yoke vectors are obtained by the method for increasing pen unit vector, then by controlling multiple yoke vectors
Conversion produces more stroke styles.
Further, the generation of the basic pen unit style includes：Increase pen unit vector in a pen unit, increase a pen
First vector, obtains corresponding radius vector and yoke vector, specifically includes：
Two pen unit vectors are respectively in one pen unitWithCorresponding to two groups of radius vectors respectively is respectivelyWith Corresponding yoke vector is respectivelyWith
Further, the style generation of the combined pen unit is using one and multiple pen units vector carries out style modeling.One
The modeling of pen unit vector is the stroke modeling to being represented with single pen unit.The modeling of multiple pen units vector is to multiple pens
The stroke modeling that unit represents.
Further, the extension pen unit is the pen unit being made up of several basic pen units and combined pen unit, using basic
Pen unit realizes the reconstruction of style with generation method as combined pen metaclass.The basic pen unit of combined pen unit is by two characteristic points
The pen unit of composition, the pen unit of period is a straightway, and basic style conversion only has the conversion of position and size, and extends pen unit
Basic pen unit be 3 structures, therefore, in addition to above-mentioned conversion side, the curvature of also more geometrical curves, geometrical curve
The conversion of generating mode.
Font generation side another object of the present invention is to provide the structure and style based on Chinese character described in a kind of application
The Chinese character pattern computing system of method.
Font generation side another object of the present invention is to provide the structure and style based on Chinese character described in a kind of application
The computer of method.
The present invention provide the structure and style based on Chinese character font generation method, by Chinese character pattern it is abstract be Chinese character knot
The style both of which of structure and Chinese character, and Chinese-character stroke is abstracted as continuous pen unit in the middle of structure, by the spy of pen unit
Levy the vectorial method of a construction pen unit vector, radius vector, string vector sum yoke to carry out the reconstruction of stroke style, dynamically generating can
For the font of True type personalization Chinese character pattern designs；Realize the Web storages of Chinese character pattern and in the feature of client
Font is exported；Overcome modern Chinese character due to Chinese character enormous amount the deficiency in terms of word-lifting formula.For personalized Chinese character is believed
The high in the clouds storage and high in the clouds font service of breath provide a kind of effective strategy and method, to design deeper Chinese character letter
Breath service is laid a good foundation.
The generation technique of the dynamic characteristic further investigated Chinese character pattern based on description Chinese character is studied new font by the present invention
Generating algorithm, is personalized Chinese character pattern service based theoretical；Compared with traditional Chinese character generation technique, based on pen, unit retouches
The Chinese character Dynamic Generation stated has with advantage：
(1) structure of generation Chinese character can be controlled.Due to pen unit Chinese character description library storage be Chinese character pattern structure letter
Breath, therefore, the editor to any character form structure is very flexible, including increases, deletes the operation in pen unit and stationary point.Simultaneously can be with
The partial structurtes and independent stroke of Chinese character information are exported, makes it possible that the part input of Chinese character and stroke are input into, also may be used certainly
To realize computer input and the editor of wrongly written character.
(2) style of generation Chinese character can be controlled.Graceful Chinese character not only comes from the unique structural information of Chinese character, more and shape
All kinds of styles into Chinese character are closely related.In general generation method, to realize that Chinese character is transformed to from a kind of stroke style another
Stroke style is planted, extremely complex numerical calculation is generally carried out, and effect is also satisfied with not to the utmost, and use pen unit description Chinese character
Unexpected effect can then be obtained, it is possible to achieve the generation conversion of different fonts, such as the Song typeface can be transformed into imitation Song-Dynasty-style typeface,
Black matrix even can be transformed to..
(3) description of personalized Chinese character is easily achieved.The first Chinese character of pen is that the storage of personalized writing Chinese characters is looked for expression
A kind of perfect solution is arrived.Traditional encoding Chinese characters are exchanged principle and are limited by the information of coding uniqueness, it is impossible to
The expression of more personalization Chinese characters is realized, and is dynamically generated the realization that scheme may insure " one yard of multiform ".
(4) network storage and Web service are facilitated.Abstract characteristic information and abundant font output, are the long-range of Chinese character
Storage is provided convenience, it not only realize Chinese character information service personalization and diversification, while for Chinese character Web fonts and under
The expression of Chinese character pattern provides a kind of effective solution in generation computer.
(5) generation Chinese character efficiency high, speed are fast.Traditional every designer of Chinese character design can at most design several for one day
Or tens words, the character library of a set of word more than 7,000 is generated, it is necessary to the time of even several years half a year.And it is based on Hanzi structure and style
Generation method, algorithm determination after, a few minutes can complete Chinese character pattern generation.The description of pen unit realizes Chinese character design
Production of machinery, thus it is more much higher than the formation efficiency of the method such as other engineers and radical group word.
Be summarised as the Automation Design technology of Chinese character pattern with description technique quiet by coding techniques of the present invention based on Chinese character
Two kinds of forms of state and dynamic, it is proposed that a kind of is the Chinese character of basic description unit with basic pen unit, combined pen unit and extension pen unit
The abstractdesription method of character form structure, establishes the Chinese character dynamic generation model based on character form structure.Establish based on font knot
The Chinese-character stroke style generation model of structure, and opposite is analyzed into effect, has obtained the conclusion of directive significance.
Compared with existing Chinese character generation technique, dynamic generation model proposed by the present invention, due to can realize network and
High in the clouds stores, therefore can in real time generate the font of all types of user demand in user terminal, and is dynamic implement, has reached quick
The purpose of the Chinese character pattern of different-style is generated, for the design of Chinese character pattern and the service of Chinese character pattern provide a kind of new think of
Road.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of Hanzi structure provided in an embodiment of the present invention and style.
Fig. 2 is the abstract schematic of Chinese character pattern structure provided in an embodiment of the present invention.
Fig. 3 is stroke abstraction process schematic diagram provided in an embodiment of the present invention.
Fig. 4 is hand-written Chinese character strokes abstract schematic provided in an embodiment of the present invention.
Fig. 5 is the different-style schematic diagram of stroke provided in an embodiment of the present invention and part.
Fig. 6 is the different-style schematic diagram of different fonts provided in an embodiment of the present invention.
Fig. 7 is Wang Xuan academician's regular script word-lifting formula manuscript schematic diagram provided in an embodiment of the present invention.
Fig. 8 is the writing style schematic diagram of Chinese character provided in an embodiment of the present invention.
Fig. 9 is the vector representation schematic diagram in two dimensional surface provided in an embodiment of the present invention.
Figure 10 is that base vector provided in an embodiment of the present invention and radius vector represent schematic diagram.
Figure 11 is yoke vector representation schematic diagram provided in an embodiment of the present invention.
Figure 12 is two pens unit provided in an embodiment of the present invention vector representation schematic diagram.
Figure 13 is the style generation schematic diagram of two pens unit provided in an embodiment of the present invention vector.
Figure 14 is the style generation schematic diagram of extension pen unit provided in an embodiment of the present invention.
Figure 15 is Chinese character generating method comparison schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is further described with reference to specific embodiment.
1st, the structure and style of Chinese character
Analysis is gone from the angle of Chinese character pattern application, encoding Chinese characters system is a kind of Information Exchange System, or perhaps letter
Breath converting system, rather than complete font service system, therefore can not provide larger range of font service, solve this
Problem, it is necessary to extend the font service function of existing hanzi system, sets up the service Chinese that a kind of and Chinese character pattern service is adapted
Type families are united, and Chinese character pattern is resolved into two levels of structure and style, wherein, structure sheaf is used for server end Chinese character pattern structure
Storage, style layer for all kinds of Chinese-character strokes of client generation.As shown in Figure 1.
The structure of 1.1 Chinese characters
Character is the basic element that information is represented, Chinese character is a kind of special character of comparing, is usually pressed by basic stroke
Radical is constituted according to certain spatial relationship and structure word specification, further by radical according to certain scheme structure cloth
Office constitutes chinese character, therefore, Chinese character is a kind of character with hierarchical structure, and Rotating fields are an essential characteristics of Chinese character.
(1) Hanzi structure is abstract
Realize that the purpose that Hanzi structure and style are separate is to provide a user with larger range of font service in the future.Can
With by different fonts it is abstract be same or analogous structure.As shown in Fig. 2 it is identical that " river " word of three different fonts is abstract
Topology example.
(2) Chinese-character stroke is abstract
Chinese-character stroke it is abstract be by complete stroke it is abstract be the process of one or more two tuples.With a stroke
As a example by, the abstract main of point stroke includes extracting profile, determines that contour feature point, the conversion of characteristic point vector quantization and stroke vectors are carried
Several steps such as take.Abstraction process is as shown in Figure 3.
(3) writing Chinese characters is abstract
Writing Chinese characters are the most basic forms of expression of personalized Chinese character, and the abstract of online writing Chinese characters not only wants abstract Chinese character
Writing feature, but also to provide writing speed, the abstractdesription of the features such as direction and mode of wieling the pen, so, handwritten Chinese character
Stroke just can with it is abstract for point of starting to write, receive set { s, the i of characteristic point during pen point and row pen1,i2……in, e }, point
The set for analysing this characteristic point can just take out several units, as shown in figure 4, being the set of characteristic points drawn in Chinese character skimming pen
In take out the schematic diagrames of three pens unit.
The style of 1.2 Chinese characters
The style of Chinese character is the summary of the charatcteristic and feature showed in Chinese-character writing and forming process, structure phase
Same Chinese character can have different styles.Chinese character style is mainly the style of the style, radical and radical by stroke to embody.
(1) style of Chinese-character stroke and part
Even the standard glyph of same font, same type of stroke and part can have difference in different Chinese characters
Style performance, especially for the printing type face of standard, this phenomenon is also very universal.As shown in figure 5, belonging to a kind of pen
In picture " oblique hook " and same part " saying " radical in different Chinese characters or different, all in the presence of some trickle changes
Change.
(2) style of Chinese character
The combination of different strokes and part constitutes different Chinese character styles.The style of Chinese character represents very abundant, at present
The difference of printing Chinese character font, is mainly embodied by style.
It is the style schematic diagram of four kinds of fonts such as black U.S. of Microsoft, amber, imitation Song-Dynasty-style typeface and regular script shown in Fig. 6.
The different-style of Chinese character comes from different font designs, and this respect has had the report of many pertinent literatures.Such as Fig. 7
It is shown, it is that China Founder typesetting chief designer Wang Xuan academician defines in the design of upright character library to the style of regular script font.
Chinese character for computer Auto based on stroke, using the method similar with engineer's Chinese character style, leads to
The Computer Design for being input into different stroke generation instructions to complete stroke is crossed, then the structure further according to Chinese character is carried out to stroke
Combination, so as to form new Chinese character pattern.
(3) style of writing Chinese characters
Varied with each individual with the writing style that the difference of standard printing Chinese character is Chinese character, and ever-changing (Fig. 8).How by this
A little different style input computers, allow machine to have different styles to export as people, and this is the important content that Chinese character is calculated
One of.
In order to preferably realize the description of Hanzi structure and style, smaller than Chinese-character stroke description list defined in Chinese character
Position --- pen unit, and based on pen unit, devise the generating process and method of a stroke.Non- volume is converted to by encoding Chinese characters storehouse is abstract
Code Chinese character information describes storehouse, overcomes the whole word coding of current Hanzi font library and can only be realized in the deficiency of client file storage
The storage of multi-level Chinese character and high in the clouds store function based on the description of pen unit.For the dynamic generation and Web service of Chinese character are established
Basis.
2nd, the pen unit description of character structure information
Pen unit is exactly directive pen section, the characteristics of it remains stroke and segment description Chinese character, adds Chinese-character writing
During a row directional attributes, and the tie point between stroke or pen section is carried out classification and retouches with boundary's point, stationary point or gesture point
State, make description process more succinct, the font for being more suitable for Chinese character (including all kinds of fonts) is calculated.
(1) pen unit
Define 1：Pen unit be Chinese-character stroke characteristic point between, between characteristic point and stationary point or between stationary point and stationary point one
Individual directive line segment.
If T (vs,ve) be Chinese-character stroke two characteristic points, vz1, vz2…vznIt is wherein n stationary point, then the pen of Chinese character is first
Can be expressed as：
Y(vzi,vzj)；
If representing the stroke of Chinese character with pen unit Y, have：
T(vs,ve)=Y (vz1,vz2)+Y(vz2,vz3)+……+Y(vzi,vzj) wherein, i, j ∈ { 1,2,3 ..., n }；
As can be seen that the pen unit set of Chinese character is a subset of set of characteristic points more than.This is integrated into Chinese Character
Played an important role in the spatial alternation of shape.
In fact, the stationary point in each Chinese-character stroke is random or uncertain, referred to as dynamically.Therefore, use
The Chinese character of pen unit description is dynamic Chinese character.
(2) basic pen unit and combined pen unit
The basic pen unit of Chinese character is the pen unit corresponding with the basic stroke of composition Chinese character, and these units only have two features
Point, as shown in table 1, its expression formula can be expressed as：
S12=(x1,y1,x2,y2)；
In addition to basic pen unit, the combination of other strokes or part is referred to as combined pen unit, as shown in table 2, its table
Can be expressed as up to formula：
CPie=Pie1+Pie2+…+Piei；
The characteristic point of table 1 and basic pen unit
The characteristic point combined pen of table 2 unit
(3) extension pen unit
The pen unit that extension pen unit is made up of one or more basic pen units and combined pen unit, it is closer to Chinese character portion
The pen unit of part.For example, the expression formula extension that the picture of starting writing in Chinese character can be drawn by skimming pen is expressed as：
Ti=﹣ Pie；
Equally, the left hook and right hook of Chinese character can be expressed as：
RGou=﹣ Pie；
LGou=﹣ Na；
Therefore, the expression formula of extension pen unit can be expressed as feature expression as shown in table 3.
The extension pen of table 3 unit
Hanzi features is analyzed from the angle of font description, Chinese-character stroke feature can be divided into font style characteristic and structure is special
Levy, font style characteristic is that Chinese character outward appearance is characterized, architectural feature be in Chinese character sign, in the description of Hanzi features point, in Chinese character
In the case that the characteristic point of stroke determines, the stationary point quantity in the description of Chinese character is increased or decreased, or increase or change Chinese character
Pen unit quantity, do not change the structural information that Chinese character or stroke are included.
3rd, the dynamic generation of Chinese-character stroke style
The weight vector of feature points realizes the dynamic generation of a stroke, by the definition of basic pen unit and extension pen unit
The output of special font is realized, interpolation processing of its general principle both for the sparse data described by pen unit.It is interior below
Hold the definition by pen unit is extended, feasibility of the pen unit description in polytype stroke conversion process is discussed in detail.
3.1 vector analyses of unit
The use of characteristic vector and weight vector is no doubt a kind of effective to set up a meta structure Mathematical Modeling of more specification
Method, but, due to the complexity of Chinese-character stroke structure, the pen unit including the special font including hand-written font was described
Journey, it should which the two vector models are extended.
Random physical quantity in space can be broken into component orthogonal each other, once it is determined that component, so that it may so that
It is calculated with the algebraic operation of standard.With x, as a example by the vector a in y plane, can be expressed as shown in Fig. 9：
A=axi+axj；
Wherein i, j are represented along x, the unit vector of y respectively.
For example：One position vector originates in the point p defined by coordinate (10,15), terminates at coordinate (- 2,5) definition
Coordinate points q, then position vector be：
Or be expressed as：
The size of vector is its length：
Analyzed according to more than, provide the definition of pen unit vector.
Define 1：Pen unit vector；The first vector of pen is the vector for having equidirectional from pen unit's beginning node and with pen unit, one
Individual pen unit can have multiple pen units vector, the length of the length less than or equal to pen unit of each first vector field homoemorphism.
For example：The pen unit of length L, the n first vector r of pen1、r2、r3…rn.Its mould is a length of | ri|, and：
|ri|<=L；
Define 2：Unit pen unit；As unit vector, unit pen unit is the pen unit with unit-sized, if U is unit
Pen unit, then the component of U must is fulfilled for relation：
Wherein UxAnd UyUnit pen unit component in the x and y direction is represented respectively.
Defined to release by two above and such as drawn a conclusion：
(1) any one first vector can be expressed as being the linear combination of unit pen unit vector.
For example：The first vector r of penPQ：(- 12, -20) and two first vector U of unit pen1(1,0) and U2(0,1) is just like ShiShimonoseki
System：
(2) multiple pen units vector can be expressed as matrix expression.
For example：r1、r2、r3…rnMatrix expression can be expressed as Deng n pen unit vector：
According to defining 1, each basic pen unit be by beginning node and caudal knot point two feature point group Cheng Biyuan vector, this
There can also be several equidirectional pen unit vectors in pen unit.By taking the generation of horizontal stroke as an example, if beginning node a and caudal knot point b are
Two characteristic points, distinguished point based a can set up 5 pen unit vectors, respectively at1, at2, at3, at4 along the direction of pen unit
And at5, because this 5 pen unit vectors all originate from same starting point, and all in same basic pen unit, therefore this group vector claims
It is base vector.Based on each base vector, it is α (0 ＜=α ＜ 180) and β (180 ＜ β ＜ that two and base vector angle are set up respectively
360) two radius vector ap1And ap1’.Each base vector corresponds to two radius vectors, for example, base vector at1Corresponding two
Individual radius vector t1p1And t1p1' expression it is as shown in Figure 10.In order to make it easy to understand, the definition of the two vectors is given below.
Define 3:Base vector；Pen unit vector in basic pen unit is referred to as base vector.Base vector starts from the initial point of pen unit, and begins
Eventually same direction is kept with pen unit.
For example, the in Figure 101It is exactly a base vector on pen unit ab.
Define 4:Radius vector；Two vectors of different directions are could set up in the both sides of each base vector.The two
Vector sum base vector is end to end, and has different directions with base vector.This vector is known as radius vector.
Each base vector corresponds to two radius vectors, in such as Fig. 5-2, base vector at1Corresponding two radius vectors are exactly
t1p1And t1p1’。
Define 5:Tangential amount；From base vector and radius vector collectively constitute to referred to as tangential amount.In Fig. 10, tangential amount
's
Expression formula is：
Same tangential amountExpression formula be：
Define yoke vector；The angle of radius vector and two pens unit vector positive directions be respectively α and, if α and β relations meet
Following condition：
(1) α is not 180 for 0 and β
(2) β-α=180
Then two radius vectors at this moment are called yoke vector, the yoke collinear vector of same pen unit vector but in opposite direction.As schemed
Shown in 11.
3.2 style analysis of unit
The first vector of pen, radius vector, string vector sum yoke vector are the important vectors for determining pen unit style.
The principle of pen unit style generation is illustrated by taking the style conversion of Bezier curve as an example below.Bezier curve is expressed
Formula is：
The principle of pen unit style generation is illustrated by taking the style conversion of Bezier curve as an example below.Bezier curve is expressed
Formula is：
In expression formula,
K=0,1 ..., n
It is cp [i] if three control points of secondary Bezier, wherein, i=0,1,2；
Take cp [0]=(x1,y1) be pen unit initial point, other two points cp [1], cp [2] choosing method can be by building
The radius vector of pen unit vector or the method for yoke vector is found to obtain.If the angle of the positive direction of pen unit vector sum yoke vector is α, table
It is different-style schematic diagram of a stroke under different α effects shown in 5.
Table 4 illustrates that by changing the angle of pen unit vector sum yoke vector the style of different points can be obtained.Equally, such as
Fruit changes that yoke vector field homoemorphism is long again, can also obtain the atypical style under equal angular.As shown in table 5.
According to the definition of pen unit vector, a pen unit can define multiple pen units vector, therefore, it can by increasing pen unit
The method of vector obtains multiple yoke vectors, then produces more stroke styles by controlling the conversion of multiple yoke vectors.
The generation of 3.3 basic pen unit styles
There are two characteristic points of beginning node and caudal knot point in basic pen unit, in order to ensure the stability of sparse data, generally may be used
Realized with increasing the method for pen unit vector in a pen unit.Increase a pen unit vector, it is possible to obtain corresponding radial direction
Amount and yoke vector, not only increase the quantity of curve control point during following generation stroke, but also can realize to pen unit
Beginning node end and the stroke style at caudal knot point end carry out trickleer calculating.
If two pen unit vectors are respectively in a pen unitWithThey correspond to two groups of radius vectors respectivelyWithCorresponding yoke vector is respectivelyWithAs shown in figure 12.
It is as shown in figure 13 based on two pen unit style generation examples of pen unit vector.
Table 2 defines five basic pen units, and the style to each basic pen unit is modeled respectively, will respectively obtain
Five kinds of styles of stroke.
The style generation of 3.4 combined pens unit
The style generation of combined pen unit can select with solution as basic metaclass, using one and multiple pens unit
Vector carries out style modeling.On the other hand, compared with basic pen unit, flexible control can be carried out because extension pen unit increased
Characteristic point, therefore can also directly carry out curve fitting.As shown in table 6, it is based on five plans of the Bezier curve of characteristic point
Close example.
The curve matching of the extension pen of table 6 unit
The style generation of 3.5 extension pen units.
Extension pen unit is the pen unit being made up of several basic pen units and combined pen unit, therefore, it is possible to use basic pen
Unit and generation method as combined pen metaclass realize the reconstruction of style.
As shown in figure 14, it is based on two style generation schematic diagrames of the extension pen first (Ti) of pen unit vector.
4th, experiment and interpretation of result
4.1 Hanzi structures describe and rebuild experiment
In order to verify that this describes performance of the method in Chinese character pattern representation, various different fonts are used respectively
Tested.
The description of basic pen unit and reconstruction experiment
Standard glyph compares specification, is adapted to be described with basic pen unit.Black matrix font in selection standard font is carried out
Structure description experiment, is carried out based on basic meta structure to each Chinese character in one-level black matrix Hanzi font library first in experiment
It is abstract, obtain Chinese character pattern and describe storehouse, then each font in Chinese character description storehouse is carried out the reconstruction of Hanzi structure again.
Two shown in table 8 is the experimental result example for obtaining.
Test result indicate that carrying out using basic pen unit the validity of Description of Chinese Character Structure.
The unit's description of extension pen and reconstruction experiment.
Often structure is more complicated for Chinese character hand-written font, if describing its structure with basic pen unit, is easily lost
Important individualized feature, therefore its structure can be described using extension pen unit.
In this experiment, selection and hand-written row pattern font familiar in shape have carried out related experiment, meanwhile, in order to preferably enter
Row compares, and is still tested using with the first description experiment identical Chinese character of basic pen.Table 9 is the experimental result for obtaining.
Experimental result table using extension pen unit description Chinese character pattern validity.
The generation experiment of 4.2 Chinese character styles
(1) generation of basic pen unit Chinese character style
In this experiment, establish based on 2 generation systems of the Chinese character style of pen unit vector, in systems by definition
Five kinds of yoke vectors of basic pen unit, establish five kinds of Style Models of pen unit, wherein η1And η2Represent two yoke vector field homoemorphisms it is long it
With α1And α2Represent the angle of two groups of yoke vectors and pen unit positive direction
It is as shown in table 10 the style example of the basic pen unit generated according to two changes of yoke vector.
The basic pen of table 9 unit Style Model
The style generation of the extension pen of table 10 unit
(2) generation of extension pen unit Chinese character style.
In this experiment, the style for expanding pen unit is given birth to according to the style generating mode of three combined pen unit curve matchings of node
Into related experiment has been carried out, table 11 lists the comparative examples of font after original font and stylization.
4.3 and traditional generation method compare
Compared with traditional Chinese character generation technique, the Chinese character Dynamic Generation based on the description of pen unit has with advantage：
(1) structure of generation Chinese character can be controlled.Due to pen unit Chinese character description library storage be Chinese character pattern structure letter
Breath, therefore, the editor to any character form structure is very flexible, including increases, deletes the operation in pen unit and stationary point.Simultaneously can be with
The partial structurtes and independent stroke of Chinese character information are exported, makes it possible that the part input of Chinese character and stroke are input into, also may be used certainly
To realize computer input and the editor of wrongly written character.
(2) style of generation Chinese character can be controlled.Graceful Chinese character not only comes from the unique structural information of Chinese character, more and shape
All kinds of styles into Chinese character are closely related.In general generation method, to realize that Chinese character is transformed to from a kind of stroke style another
Stroke style is planted, extremely complex numerical calculation is generally carried out, and effect is also satisfied with not to the utmost, and use pen unit description Chinese character
Unexpected effect can then be obtained.
(3) description of personalized Chinese character is easily achieved.The first Chinese character of pen is that the storage of personalized writing Chinese characters is looked for expression
A kind of perfect solution is arrived.Traditional encoding Chinese characters are exchanged principle and are limited by the information of coding uniqueness, it is impossible to
The expression of more personalization Chinese characters is realized, and is dynamically generated the realization that scheme may insure " one yard of multiform ".
(4) network storage and Web service are facilitated.Abstract characteristic information and abundant font output, are the long-range of Chinese character
Storage is provided convenience, it not only realize Chinese character information service personalization and diversification, while for Chinese character Web fonts and under
The expression of Chinese character pattern provides a kind of effective solution in generation computer.
(5) generation Chinese character efficiency high, speed are fast.The description of pen unit realizes the production of machinery of Chinese character design, therefore than it
The formation efficiency of the method such as its engineer and radical group word is much higher.
Therefore, no matter from the service of knot Chinese holly changeability, style changeability or font and the multiple sides such as efficiency are designed and developed
Face is analyzed, and it is that traditional font generation method is incomparable that the Chinese character pattern based on pen unit describes storehouse.Figure 15 is listed
Chinese character pattern based on pen unit describes the comparative result of storehouse Chinese character generating method and other generation methods.
Be summarised as the Automation Design technology of Chinese character pattern with description technique quiet by coding techniques of the present invention based on Chinese character
Two kinds of forms of state and dynamic, it is proposed that a kind of is the Chinese character of basic description unit with basic pen unit, combined pen unit and extension pen unit
The abstractdesription scheme of character form structure, establishes the Chinese character dynamic generation model based on character form structure.Establish based on font knot
The Chinese-character stroke style generation model of structure, and opposite is analyzed into effect, has obtained the conclusion of directive significance.With it is existing
Chinese character generation technique is compared, dynamic generation model proposed by the present invention, and with real-time and dynamic, and preferably network is deposited
Storage and network controlled attribute, have reached the purpose of the Chinese character pattern for quickly generating different-style, are the design and the Chinese of Chinese character pattern
The service of word font provides a kind of new thinking.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of font generation method of the structure and style based on Chinese character, it is characterised in that the structure based on Chinese character and
The font generation method of style is based on the coding of Chinese character and Chinese character pattern is summarised as static and two kinds of forms of dynamic by description, with base
This unit, combined pen unit and extension pen unit are the Chinese character pattern structure of basic description unit；Set up the Chinese character based on character form structure
Dynamic generation model；Establish the Chinese-character stroke style generation model based on character form structure.
2. the font generation method of the structure and style of Chinese character is based on as claimed in claim 1, it is characterised in that described by the Chinese
Word font resolves into two levels of structure and style, and structure sheaf is used for the storage of server end Chinese character pattern structure, and style layer is used
In the generation in all kinds of Chinese-character strokes of client.
3. the font generation method of the structure and style of Chinese character is based on as claimed in claim 1, it is characterised in that pen unit is the Chinese
A directive line segment between the characteristic point of word stroke, between characteristic point and stationary point or between stationary point and stationary point；If T (vs,
ve) be Chinese-character stroke two characteristic points, vz1, vz2…vznIt is wherein n stationary point, then the pen unit of Chinese character is expressed as：
Y(vzi,vzj)；
If representing the stroke of Chinese character with pen unit Y, have：
T(vs,ve)=Y (vz1,vz2)+Y(vz2,vz3)+……+Y(vzi,vzj) wherein, i, j ∈ { 1,2,3 ..., n }；
The pen unit set of Chinese character is a subset of set of characteristic points, and the stationary point in each Chinese-character stroke is random or not true
Fixed, it is dynamic.
4. the font generation method of the structure and style of Chinese character is based on as claimed in claim 1, it is characterised in that the base of Chinese character
This unit is the pen unit corresponding with the basic stroke of composition Chinese character, and pen unit only has two characteristic points, and expression formula is expressed as：
S12=(x1,y1,x2,y2)；
In addition to basic pen unit, the combination of other strokes or part is referred to as combined pen unit, and expression formula is expressed as：
CPie=Pie1+Pie2+…+Piei；
The pen unit that extension pen unit is made up of one or more basic pen units and combined pen unit, expression formula extension is expressed as：
Ti=﹣ Pie；
Equally, the left hook and right hook of Chinese character are expressed as：
RGou=﹣ Pie；
LGou=﹣ Na.
5. the font generation method of the structure and style of Chinese character is based on as claimed in claim 1, it is characterised in that defined feature
The weight vector of point realizes the dynamic generation of a stroke, and special font is realized by the definition of basic pen unit and extension pen unit
Output, for the interpolation processing of the sparse data described by pen unit；One pen unit can define multiple pen units vector, by increasing
The method of pen unit vector obtains multiple yoke vectors, then produces more stroke styles by controlling the conversion of multiple yoke vectors.
6. the font generation method of the structure and style of Chinese character is based on as claimed in claim 5, it is characterised in that described basic
The generation of the first style of pen includes：Increase pen unit vector in a pen unit, increase a pen unit vector, obtain corresponding radius vector
With yoke vector, specifically include：
Two pen unit vectors are respectively in one pen unitWithCorresponding to two groups of radius vectors respectively is respectivelyWithCorresponding yoke vector is respectivelyWith
7. the font generation method of the structure and style of Chinese character is based on as claimed in claim 5, it is characterised in that the combination
The style generation of pen unit is using one and multiple pen units vector carries out style modeling.
8. the font generation method of the structure and style of Chinese character is based on as claimed in claim 5, it is characterised in that the extension
Pen unit is the pen unit being made up of several basic pen units and combined pen unit, is generated using as basic pen unit and combined pen metaclass
Method realizes the reconstruction of style.
9. the Chinese of the font generation method of the structure and style of Chinese character is based on described in a kind of application claim 1~8 any one
Word font computing system.
10. the meter of the font generation method of the structure and style of Chinese character is based on described in a kind of application claim 1~8 any one
Calculation machine.
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