CN107908600A - A kind of Word-Drawing method and system - Google Patents

A kind of Word-Drawing method and system Download PDF

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Publication number
CN107908600A
CN107908600A CN201711020451.1A CN201711020451A CN107908600A CN 107908600 A CN107908600 A CN 107908600A CN 201711020451 A CN201711020451 A CN 201711020451A CN 107908600 A CN107908600 A CN 107908600A
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China
Prior art keywords
character
target text
word
font
font metric
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CN201711020451.1A
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Chinese (zh)
Inventor
杨鑫
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Beijing Rekk World Science And Technology Co Ltd
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Beijing Rekk World Science And Technology Co Ltd
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Priority to CN201711020451.1A priority Critical patent/CN107908600A/en
Publication of CN107908600A publication Critical patent/CN107908600A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00Handling natural language data
    • G06F40/10Text processing
    • G06F40/103Formatting, i.e. changing of presentation of documents
    • G06F40/109Font handling; Temporal or kinetic typography

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present invention relates to computer realm, particularly provides a kind of Word-Drawing method and system.Wherein, the described method includes:Identify whether target text is monocase word;When the target text is monocase word, the corresponding character of the target text is obtained, and the target text is drawn according to the character;When the target text is more character literals, the corresponding multiple characters of the target text are obtained;Obtain the font metric of the corresponding each character of the target text;According to the corresponding multiple characters of the target text and the font metric of each character, the multiple character is drawn respectively;It is the target text by the multiple character combination.By more character vector drawing modes, solve the problems, such as that there is difference to put in order and can not unify to draw for multicharacter different language.

Description

A kind of Word-Drawing method and system
Technical field
The present invention relates to computer realm, more particularly to a kind of Word-Drawing method and system.
Background technology
With the development of electronic technology, the market of each electronic product increasingly globalizes.And then the electronics production of globalization Product need to support multilingual at the same time.
Several relevant technical termses are first introduced below:
The fon that TTF (TrueTypeFont) is Apple companies and Microsoft Corporation is released jointly.
FreeType storehouses be one completely free (increasing income), high quality and transplantable font engine.
HarfBuzz storehouses are a storehouses of increasing income for reading font layout.
In the prior art, to support multilingual input, generally the method in FreeType storehouses can be used to go what loading needed Character library, goes to draw word, most of language can normally be drawn.
As shown in Figure 1, we will draw a Chinese text " ", the prior art can first load the method in FreeType Character library is loaded, the word that the word is monocase composition is determined when drawing word, it is complete there are one in the bitmap of TTF Word, so directly drawing the word according to the correspondence font loaded when drawing.
But the word of some more character combinations, such as Cambodia's word, cannot normally it be drawn by above method .
For example we will draw Cambodia's word as shown in Fig. 2-1, the method that we can be first loaded in FreeType adds Carry character library.Because the word of Fig. 2-1 is not monocase word, there is no the text of a complete Fig. 2-1 in the bitmap of TTF Word, will draw the word that Fig. 2-2 and Fig. 2-3 is combined into Fig. 2-1 respectively, if according to method before, will drafting pattern 2-4 Appearance, it is clear that this is not that we want.
The content of the invention
To solve the above problems, the embodiment of the present invention provides a kind of Word-Drawing method and system, drawn by more characters And and increase draw direction, to solve the above problems.
To reach above-mentioned purpose, on the one hand, an embodiment of the present invention provides a kind of Word-Drawing method, including:
Identify whether target text is monocase word;
When the target text is monocase word, the corresponding character of the target text is obtained, and draw according to the character The target text;
When the target text is more character literals, the corresponding multiple characters of the target text are obtained;
Obtain the font metric of the corresponding each character of the target text;
According to the corresponding multiple characters of the target text and the font metric of each character, draw respectively described more A character;
It is the target text by the multiple character combination.
Optionally, the font metric includes:
Positional information, directional information and the scaling information of each character.
Optionally, it is described by the multiple character combination be the target text before, further include:
According to the font metric of each character, the multiple character is modified.
Optionally, the font metric according to each character, is modified the multiple character, wraps Include:
Obtain the relative position information of each character in the target text;
According to the relative position information of each character, position, direction and the scaling of adjustment each character.
Optionally, the relative position information according to each character, adjusts position, the direction of each character And scaling, including:
The baseline adjustment of the identical character in direction is consistent;
The origin of the character for the longitudinal arrangement being of same size is adjusted on same vertical curve, highly identical transverse direction is arranged The origin of the character of row is adjusted in same horizontal line.
On the other hand, the embodiment of the present invention provides a kind of Word-Drawing system, including:
Word recognition unit, for identifying whether target text is monocase word;
Monocase Word-Drawing unit, corresponds to for when the target text is monocase word, obtaining the target text Character, and the target text is drawn according to the character;
More character acquiring units, for when the target text is more character literals, it is corresponding more to obtain the target text A character;
Font metric computing unit, the font for obtaining the corresponding each character of the target text measure letter Breath;
Character drawing unit, believes for being measured according to the font of the corresponding multiple characters of the target text and each character Breath, draws the multiple character respectively;
Character combination unit, for being the target text by the multiple character combination.
Optionally, the font metric includes:
Positional information, directional information and the scaling information of each character.
Optionally, further include:
Character amending unit, for the font metric according to each character, repaiies the multiple character Just.
Optionally, the character amending unit includes:
Relative position acquisition module, for obtaining the relative position information of each character in the target text;
Module is adjusted, for the relative position information according to each character, position, the side of adjustment each character To and scaling.
Optionally, the adjustment module, including:
Baseline adjusts submodule, consistent for the baseline of the identical character in direction to be adjusted;
Origin adjusts submodule, for the origin of the character for the longitudinal arrangement being of same size to be adjusted to same vertical curve On, the origin of highly identical transversely arranged character is adjusted in same horizontal line.
Above-mentioned technical proposal has the advantages that:By more character vector drawing modes, solve it is multicharacter not The problem of with language there is difference to put in order and can not unifying to draw.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is monocase word schematic diagram;
Fig. 2-1 is more character literal schematic diagrames;
Fig. 2-2 is the first character schematic diagram;
Fig. 2-3 is the second character schematic diagram;
Fig. 2-4 is more character literal schematic diagrames that the prior art is drawn;
Fig. 3 is the font measurement schematic diagram of Freetype2;
Fig. 4 is a kind of flow diagram of Word-Drawing method according to embodiments of the present invention;
Fig. 5 is a kind of flow diagram of another embodiment of Word-Drawing method according to embodiments of the present invention;
Fig. 6 is a kind of structure diagram of Word-Drawing system according to embodiments of the present invention;
Fig. 7 is a kind of structure diagram of another embodiment of Word-Drawing system according to embodiments of the present invention;
Fig. 8 is the flow diagram of Word-Drawing method according to embodiments of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, belongs to the scope of protection of the invention.
The character library of loading needs is gone using the method in FreeType storehouses, goes to draw word, most of language can be straight Connect normal drafting, but the word of some more character combinations, such as Cambodia's word, cannot directly just by above method Often depict.
As shown in figure 3, being the font measurement schematic diagram of Freetype2, Freetype2 is carried out below in conjunction with the schematic diagram It is simple to introduce.Font:Character image is called font, and single character can have multiple and different images, i.e., multiple fonts.It is multiple Character can also have a font.(can be understood as a font is exactly a kind of writing style)
Character figure:Font file includes one or more tables, is called character figure.For certain character code is converted into font Index.A kind of character code mode (such as ASCII, Unicode, Big5) corresponds to a table.
Character contour:The source format of character contour is the path of one group of closing, is known as contour line.Each contour line delimit word The outside or inside region of shape, they can be line segment or Bezier curve.
EM squares:Font is when creating character contour, imaginary square used in font founder.He can incite somebody to action This is imagined as the plane of a symbol of making one's cross.It is the reference for contour line to be zoomed to specified text size;Its size is got over Greatly, the font resolution ratio of bigger can be reached.Pay attention to:Font be free to beyond EM squares.
Font is measured:
Baseline, pen and layout:
Baseline is the line of an illusion, and for knowing font when rendering text, it can be horizontally or vertically.And And in order to render text, have a virtual point on baseline, be called a position or origin, it is used for positioning font.Every kind of cloth Font is placed using different stipulations by office:
To horizontal layout, font is simply rested on baseline;
For vertical arrangement, font is placed centrally on baseline.
Important font metrics parameter:
Left span (bearingX):From current pen location to the horizontal level of profile left margin;
Upper span (bearingY):From current pen location to the upright position of profile coboundary;
Step width (advanceX):The horizontal distance (word space) of two neighboring position;
Font width (width):The horizontal length of font;
Font height (height):The vertical length of font.
Based on this, the present invention provides a kind of Word-Drawing method, as shown in figure 4, including:
Step 101, identify whether target text is monocase word;
Step 102, when the target text is monocase word, the corresponding character of the target text is obtained, and according to this Character draws the target text;
Step 103, when the target text is more character literals, the corresponding multiple characters of the target text are obtained;
Step 104, the font metric of the corresponding each character of the target text is obtained;
Step 105, according to the corresponding multiple characters of the target text and the font metric of each character, paint respectively Make the multiple character;
Step 106, it is the target text by the multiple character combination.
In an optional embodiment of the present embodiment, the font metric includes:
Positional information, directional information and the scaling information of each character.
Positional information includes left span, upper span;Directional information, that is, horizontal or vertical;In addition, the present embodiment is optional, mirror In the huge difference of the various words in the whole world, directional information can also be the directional information of accurate angle;Scaling, including word Shape height, font width, can also include step width.
More than, all data are relative to the data of origin and baseline.
As shown in figure 5, in an optional embodiment of the present embodiment, before the step 106, further include:
Step 107, according to the font metric of each character, the multiple character is modified.
In an optional embodiment of the present embodiment, the step 107, including:
Step 1071, the relative position information of each character in the target text is obtained;
Step 1072, according to the relative position information of each character, adjust the position of each character, direction and Scaling.
In an optional embodiment of the present embodiment, the step 1072, including:
Step 1072a, the baseline of the identical character in direction is adjusted consistent;
Step 1072b, the origin of the character for the longitudinal arrangement being of same size is adjusted on same vertical curve, by height phase The origin of same transversely arranged character is adjusted in same horizontal line.
The present embodiment is preferable, and the above method is drawn by C language.
Above-described embodiment, employs the font metric of Freetype2, while has improvement again on its basis, realizes The correct Fast Drawings of multiple language characters.
An alternative embodiment of the invention provides a kind of Word-Drawing system, as shown in fig. 6, including:
Word recognition unit 201, for identifying whether target text is monocase word;
Monocase Word-Drawing unit 202, for when the target text is monocase word, obtaining the target text pair The character answered, and the target text is drawn according to the character;
More character acquiring units 203, for when the target text is more character literals, it is corresponding to obtain the target text Multiple characters;
Font metric computing unit 204, for obtaining the font measurement of the corresponding each character of the target text Information;
Character drawing unit 205, for the font degree according to the corresponding multiple characters of the target text and each character Information is measured, draws the multiple character respectively;
Character combination unit 206, for being the target text by the multiple character combination.
In an optional embodiment of the present embodiment, the font metric includes:
Positional information, directional information and the scaling information of each character.
Positional information includes left span, upper span;Directional information, that is, horizontal or vertical;In addition, the present embodiment is optional, mirror In the huge difference of the various words in the whole world, directional information can also be the directional information of accurate angle;Scaling, including word Shape height, font width, can also include step width.
More than, all data are relative to the data of origin and baseline.
As shown in fig. 7, in an optional embodiment of the present embodiment, further include:
Character amending unit 207, for the font metric according to each character, carries out the multiple character Correct.
In an optional embodiment of the present embodiment, the character amending unit 207 includes:
Relative position acquisition module 2071, for obtaining the relative position information of each character in the target text;
Module 2072 is adjusted, for the relative position information according to each character, the position of adjustment each character Put, direction and scaling.
In an optional embodiment of the present embodiment, the adjustment module, including:
Baseline adjusts submodule 2072a, consistent for the baseline of the identical character in direction to be adjusted;
Origin adjusts submodule 2072b, for the origin of the character for the longitudinal arrangement being of same size to be adjusted to same perpendicular On straight line, the origin of highly identical transversely arranged character is adjusted in same horizontal line.
The present embodiment is preferable, and said system is drawn by C language.
Above-mentioned technical proposal has the advantages that:By more character vector drawing modes, solve it is multicharacter not The problem of with language there is difference to put in order and can not unifying to draw.
Hereinafter, instantiation will be combined, the present invention will be further described.
As shown in figure 8, the flow diagram for the present embodiment Word-Drawing method.
In the present embodiment, it is necessary to which Cambodia's word in attached drawing 2 is drawn out.As shown in the figure, comprise the following steps:
Step 301, identify whether target text is monocase word;
Identified, which includes 2 characters.
Step 302, corresponding 2 characters of the target text are obtained;
Step 303, the font metric of the corresponding each character of the target text is obtained;
Font metric includes:Positional information, directional information and the scaling information of each character.
Relative to origin and baseline, obtained positional information includes left span, upper span;Directional information, that is, horizontal or perpendicular Directly;In addition, the present embodiment is optional, in view of the huge difference of the various words in the whole world, directional information can also be accurate angle Directional information;Scaling, including font height, font width, can also include step width.
Step 304,2 characters are drawn respectively;
According to the corresponding multiple characters of the target text and the font metric of each character, draw respectively described more A character;
Two characters in attached drawing 2-2 and attached drawing 2-3 are drawn.
Step 305, the position of 2 characters is corrected;
Obtain the relative position information of each character in the target text;
The baseline adjustment of the identical character in direction is consistent;
The origin of the character for the longitudinal arrangement being of same size is adjusted on same vertical curve, highly identical transverse direction is arranged The origin of the character of row is adjusted in same horizontal line.
2 characters should be upper-lower position, and each character is to determine relative to the positional information of EM squares, according to This, two characters are arranged properly up and down.
At this time, further the midpoint of the baseline of two characters is vertically aligned.
The origin of two characters is adjusted on same vertical curve, that is, is vertically aligned.
Step 306, it is target text by 2 character combinations.
By two drawn character combinations, the word as shown in Fig. 2-1 can be obtained.
Above-mentioned technical proposal has the advantages that:By more character vector drawing modes, solve it is multicharacter not The problem of with language there is difference to put in order and can not unifying to draw.
Those skilled in the art will also be appreciated that the various illustrative components, blocks that the embodiment of the present invention is listed (illustrative logical block), unit, and step can pass through the knot of electronic hardware, computer software, or both Conjunction is realized.To clearly show that the replaceability of hardware and software (interchangeability), above-mentioned various explanations Property component (illustrative components), unit and step universally describe their function.Such work( Can be that specific application and the design requirement of whole system are depended on to realize by hardware or software.Those skilled in the art Various methods can be used to realize the function, but this realization is understood not to for every kind of specific application Beyond the scope of protection of the embodiment of the present invention.
Various illustrative logical blocks described in the embodiment of the present invention, or unit can by general processor, Digital signal processor, application-specific integrated circuit (ASIC), field programmable gate array or other programmable logic devices, discrete gate Or described function is realized or operated in transistor logic, discrete hardware components, or the design of any of the above described combination.General place It can be microprocessor to manage device, and alternatively, which can also be any traditional processor, controller, microcontroller Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor, Multi-microprocessor, one or more microprocessors combine a digital signal processor core, or any other like configuration To realize.
The step of method or algorithm described in the embodiment of the present invention can be directly embedded into hardware, processor perform it is soft Part module or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM storages Other any form of storaging mediums in device, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area In.Exemplarily, storaging medium can be connected with processor, so that processor can read information from storaging medium, and Can be to storaging medium stored and written information.Alternatively, storaging medium can also be integrated into processor.Processor and storaging medium can To be arranged in ASIC, ASIC can be arranged in user terminal.Alternatively, processor and storaging medium can also be arranged at use In different components in the terminal of family.
In one or more exemplary designs, the described above-mentioned function of the embodiment of the present invention can be in hardware, soft Part, firmware or any combination of this three are realized.If realized in software, these functions can store and computer-readable On medium, or with one or more instruction or code form be transmitted on the medium of computer-readable.Computer readable medium includes electricity Brain storaging medium and easy to allow computer program to be transferred to other local telecommunication medias from a place.Storaging medium can be with It is that any general or special computer can be with the useable medium of access.For example, such computer readable media can include but It is not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage devices, or other What can be used for carrying or store with instruct or data structure and it is other can be by general or special computer or general or specially treated The medium of the program code of device reading form.In addition, any connection can be properly termed computer readable medium, example Such as, if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resources Twisted wire, Digital Subscriber Line (DSL) or with defined in being also contained in of the wireless way for transmitting such as infrared, wireless and microwave In computer readable medium.The disk (disk) and disk (disc) include Zip disk, radium-shine disk, CD, DVD, floppy disk And Blu-ray Disc, disk is usually with magnetic duplication data, and disk usually carries out optical reproduction data with laser.Combinations of the above It can also be included in computer readable medium.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include Within protection scope of the present invention.

Claims (10)

  1. A kind of 1. Word-Drawing method, it is characterised in that including:
    Identify whether target text is monocase word;
    When the target text is monocase word, the corresponding character of the target text is obtained, and according to being drawn the character Target text;
    When the target text is more character literals, the corresponding multiple characters of the target text are obtained;
    Obtain the font metric of the corresponding each character of the target text;
    According to the corresponding multiple characters of the target text and the font metric of each character, the multiple word is drawn respectively Symbol;
    It is the target text by the multiple character combination.
  2. 2. according to the method described in claim 1, it is characterized in that, the font metric includes:
    Positional information, directional information and the scaling information of each character.
  3. 3. according to the method described in claim 2, it is characterized in that, described by the multiple character combination is the target text Before, further include:
    According to the font metric of each character, the multiple character is modified.
  4. 4. according to the method described in claim 3, it is characterized in that, the font metric according to each character, The multiple character is modified, including:
    Obtain the relative position information of each character in the target text;
    According to the relative position information of each character, position, direction and the scaling of adjustment each character.
  5. 5. according to the method described in claim 4, it is characterized in that, the relative position information according to each character, Position, direction and the scaling of each character are adjusted, including:
    The baseline adjustment of the identical character in direction is consistent;
    The origin of the character for the longitudinal arrangement being of same size is adjusted on same vertical curve, will be highly identical transversely arranged The origin of character is adjusted in same horizontal line.
  6. A kind of 6. Word-Drawing system, it is characterised in that including:
    Word recognition unit, for identifying whether target text is monocase word;
    Monocase Word-Drawing unit, for when the target text is monocase word, obtaining the corresponding word of the target text Symbol, and the target text is drawn according to the character;
    More character acquiring units, for when the target text is more character literals, obtaining the corresponding multiple words of the target text Symbol;
    Font metric computing unit, for obtaining the font metric of the corresponding each character of the target text;
    Character drawing unit, for the font metric according to the corresponding multiple characters of the target text and each character, The multiple character is drawn respectively;
    Character combination unit, for being the target text by the multiple character combination.
  7. 7. system according to claim 6, it is characterised in that the font metric includes:
    Positional information, directional information and the scaling information of each character.
  8. 8. system according to claim 7, it is characterised in that further include:
    Character amending unit, for the font metric according to each character, is modified the multiple character.
  9. 9. system according to claim 8, it is characterised in that the character amending unit includes:
    Relative position acquisition module, for obtaining the relative position information of each character in the target text;
    Adjust module, for the relative position information according to each character, adjust the position of each character, direction and Scaling.
  10. 10. system according to claim 9, it is characterised in that the adjustment module, including:
    Baseline adjusts submodule, consistent for the baseline of the identical character in direction to be adjusted;
    Origin adjusts submodule, will for the origin of the character for the longitudinal arrangement being of same size to be adjusted to same vertical curve The origin of highly identical transversely arranged character is adjusted in same horizontal line.
CN201711020451.1A 2017-10-27 2017-10-27 A kind of Word-Drawing method and system Pending CN107908600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711020451.1A CN107908600A (en) 2017-10-27 2017-10-27 A kind of Word-Drawing method and system

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101645063A (en) * 2008-08-05 2010-02-10 北大方正集团有限公司 Method and device for combining characters
CN104503954A (en) * 2014-12-11 2015-04-08 康佳集团股份有限公司 Text combination display method and text combination display system
US20160180819A1 (en) * 2014-12-22 2016-06-23 Canon Kabushiki Kaisha Emboldening of outline fonts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101645063A (en) * 2008-08-05 2010-02-10 北大方正集团有限公司 Method and device for combining characters
CN104503954A (en) * 2014-12-11 2015-04-08 康佳集团股份有限公司 Text combination display method and text combination display system
US20160180819A1 (en) * 2014-12-22 2016-06-23 Canon Kabushiki Kaisha Emboldening of outline fonts

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Application publication date: 20180413