CN1991628A - Shading-duplication preventing page description method - Google Patents
Shading-duplication preventing page description method Download PDFInfo
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- CN1991628A CN1991628A CN 200510135294 CN200510135294A CN1991628A CN 1991628 A CN1991628 A CN 1991628A CN 200510135294 CN200510135294 CN 200510135294 CN 200510135294 A CN200510135294 A CN 200510135294A CN 1991628 A CN1991628 A CN 1991628A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 claims description 6
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- 239000007787 solid Substances 0.000 claims description 4
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- 238000010586 diagram Methods 0.000 description 6
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- 230000005540 biological transmission Effects 0.000 description 3
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- 239000003550 marker Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000012938 design process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The invention provides a page description method of anti-photoreproduction shading, and it used for printing document, it includes designing the composition element of anti-photoreproduction shading, and classifying the composition elements; choosing an object as the representing element from the composition elements, and describing the property of the representing element using the customized font in the page description language; setting the arrangement mode of representing element; and then the result data is written in page description file of the printing document, and using the invention it can reduce the data information of anti-photoreproduction shading greatly, and reduce the time of data transmitting and the printer controller processing time.
Description
Technical field
The present invention relates to the document printing techniques field, relate in particular to the page-describing technical field of shading-duplication preventing.
Background technology
Paper is the important carrier that information is propagated, and secret, the antiforge function of paper document also just seem extremely important.In recent years, promoted the high-quality of copy owing to development of science and technology, can obtain the copy extremely approaching with original paper, this just makes classified papers and testimonial improper duplicating become problem, therefore need take certain measure can distinguish original paper and copy.
Be worth causing that what pay special attention to and pay attention to is duplicating machine in the office automation utility appliance, it is the most indispensable utility appliance in the business automation equipment.But along with the development of reprography, no matter modern duplicating machine has all reached very high level on the function or on printing quality.What have has an intelligent editing ability, can also realize that many duplicating machine connect mutual transmission information.The duplicating machine that some are more senior even can also realize color photocopying, the banknote that prints off can reach the degree of looking genuine.This ability of duplicating machine make it efficiently high texture print various documentations, alleviated clerical workforce's the labor capacity of copying widely, improved office efficiency, be subjected to clerical workforce's very big welcome.But simultaneously, it also makes to maintain secrecy takes precautions against the new problem that faces, and the confidential document data is easy to be copied in transmittance process and causes out of controlly, and duplicating machine becomes the instrument that makes things convenient for of letting out, stealing secret information.Address this problem, except strengthening that duplicating machine is duplicated the management and control of confidential document data, the anti-reprography of confidential document data is used in also necessary research.
As preventing that a kind of of copy method is to print shading-duplication preventing simultaneously below normal document data, the gray scale of this shading-duplication preventing is more shallow, can not hinder the visual effect of normal document in the prior art.The shading-duplication preventing component mainly comprises background patterns, safety notice and interference pattern, wherein safety notice comprises the character string shading of hiding that can not find at a glance, such as " forbidding duplicating ", " COPY " or printed words such as " VOID ", the point that constitutes these character string shadings is the point also littler than the read-out resolution smallest point of duplicating machine; Wherein background patterns is to be made of the point bigger than the read-out resolution smallest point of duplicating machine, two kinds of patterns are set with identical or similar concentration and gray scale, consequently, when two kinds of patterns mix, add interference pattern and can attract the notice of human eye, from document text, can't find the character string shading, and on copy, the point in zone of pattern of only having powerful connections is copied, and the point in safety notice zone can not be copied, cause blank, its result just manifests the character string shading of safety notice on copy, thereby can distinguish original paper and copy.
But because the object number of shading-duplication preventing component is a lot, especially the number of safety notice and interference pattern is maximum, because they will fill full full page, in the prior art, often re-defined all elements, then the object of each component has been arranged on appointed positions.Thus, the data of same element are repeated to have backed up repeatedly, make the quantity of information of whole page description file increase on the one hand, and the time that is sent on the printer is elongated; Increased the interpretation time of printer controller on the other hand, reduced the efficient of processor, especially printed for the document of multipage, above-mentioned two problems is obvious especially.
Summary of the invention
The objective of the invention is to propose a kind of page description method of shading-duplication preventing, can reduce the data message amount of shading-duplication preventing significantly, shorten the time that data transmission and printer controller are handled.
To achieve the object of the present invention, a kind of page description method of shading-duplication preventing is applicable to document printing, may further comprise the steps:
The component of A, design shading-duplication preventing, and described component classified;
B, in every class component, choose an object, and adopt the self-defined font in the page-description language that the attribute of described representative element is described as representative element;
C, the arrangement mode of described representative element is set;
D, the result data of step B and step C is write in the page description file of document printing.
Self-defined font in the page-description language described in the step B be Implementation Model For PostScript Language, printer command language (Printer Command Language, PCL) or the self-defined font among the PDF (Portable DocumentFormat).
Described component comprises three classes: background patterns, safety notice and interference pattern.
Described component is vector figure data or image point matrix data.
The zone of described background patterns is the rectangular area or the self-defining closed region of rule.
The content of described safety notice is the IP address of date printed, time-write interval, printer, the MAC Address of printer, the character set that user's name is formed.
Background patterns in the described component is provided with identical or close gray-scale value, linked network order number and linked network angle with safety notice,
Site type in the described component is circular, square, oval or linear.
Parity error row, matrix solid matter or specific distance mode are adopted in the arrangement of the described representative element of step C.
Adopted technical scheme provided by the invention, on the one hand can be so that shading-duplication preventing data message amount reduces significantly, shorten data transmission and printer controller processing time, can be implemented on the other hand and print shading-duplication preventing and normal document on the common paper simultaneously, do not want extra printing, and the arrangement mode of the various elements of shading-duplication preventing can be set freely by the present invention, safety notice can change arbitrarily, the method of printing is simple and convenient, the hierarchical structure that shading-duplication preventing is described is relatively distincter, modification becomes relatively easily, and formation speed is accelerated.
Description of drawings
Fig. 1 is a background patterns synoptic diagram in the shading-duplication preventing;
Fig. 2 is an interference pattern synoptic diagram in the shading-duplication preventing;
Fig. 3 is a safety notice synoptic diagram in the shading-duplication preventing;
Fig. 4 is the local enlarged diagram of shading-duplication preventing;
Fig. 5 is the direct printout result synoptic diagram of shading-duplication preventing;
Fig. 6 is that the document printing that comprises shading-duplication preventing is duplicated the output effect synoptic diagram;
Fig. 7 is a schematic flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Embodiment one may further comprise the steps:
1, designs the component of shading-duplication preventing, and component is classified.
At first design the component of false proof shading, a rectangular area is selected in the zone at background patterns place in the present embodiment, and as shown in Figure 1, interference pattern is that one group of sinusoidal line is arranged the curve group that forms, as shown in Figure 2.
Specify safety notice region design process below:
(1) one group of Chinese character of input is as " forbidding duplicating ";
(2) name that sets font is called " Chinese row pattern ";
(3) the literal size that sets font is 72pt;
(4) angle that literal is set is counterclockwise 45 degree;
(5) extract the vector outline path data of " forbidding duplicating ", and each bar vector path is formed the compound path of a sealing, carry out just can obtaining the effect that literal shows after the odd even color is filled.
The zone at safety notice place is the closed region that compound path comprised of the vector outline lines composition of Chinese text in the present embodiment, as shown in Figure 3.
In three kinds of shading-duplication preventing components, background patterns is in the orlop of shading-duplication preventing, and area is bigger, generally selects a background area whole space of a whole page that tiles, and therefore the representative element in this component of choosing is background area itself.
Safety notice is in the middle one deck in the false proof shading, and the number of repeated arrangement is more, selects an object as the representative element in this component from compound path set wherein.
Be positioned at the superiors of false proof shading in the interference pattern zone, the number of repeated arrangement is maximum, chooses any sinusoidal curve in the present embodiment as the representative element in this component.
2, the attribute of the representative element in every class component in the shading-duplication preventing is described with the self-defined font in the page-description language.
Each representative element in the type3 font defi-nition shading-duplication preventing in the present embodiment usefulness PostScript page-description language.
At first self-defined 3 character codes are a, b and c, represent the representative element of background patterns, safety notice and interference pattern respectively.
The gray-scale value that character a is set is 10%, sets the linked network parameter, and wherein the site type is circular; The gray-scale value that character b is set is 10%, sets the linked network parameter, and wherein the site type is circular; The Fill Color that character c is set does not have corresponding linked network information for white.
3, specify the arrangement mode of the representative element of each shading-duplication preventing, and write in the page description file.
Be tiled in the foot of false proof shading in the present embodiment as the background patterns of representative element with character a, the center in the zone at background patterns place overlapped to place with the center of the space of a whole page get final product, data attribute and the positional information with a character writes in the page description file then.
Parity error row's mode is adopted in the arrangement of the representative element character b of safety notice, horizontal spacing is the lateral separation of central point of the boundary rectangle of two b characters, longitudinal pitch is the longitudinal separation of the boundary rectangle of two b characters, and the value at two intervals all is made as 20pt here.Calculate the number of the horizontal and vertical arrangement of space of a whole page b character respectively according to this rule, determine the reference position of b character after, can calculate the location sets that all b characters are arranged.The attribute definition data that the b character has been arranged only need again all location sets of arranging the b character to be described clear getting final product, and actual data have only portion.Thereby make the amplitude that contains much information of page description file reduce, print control unit has been avoided a lot of repetitive processes when explaining description object, saved the processing time.
The representative element c character of interference pattern also adopts same processing procedure.The arrangement mode of b character and c character is slightly different in the present embodiment, and each row of the space of a whole page is only arranged a c character, and longitudinal direction is the mode that parity rows adopts solid matter, and the spacing of arranging for horizontal direction parity rows mistake is the half period size of sinusoidal line.The attribute definition data of c character and the describing mode of positional information are with a character.
Give print control unit with the page description file that writes above-mentioned information and handle, the whole structure of the shading-duplication preventing after the printing as shown in Figure 4.
In order to say something, as shown in Figure 5 with the effect after the part amplification of document printing shown in Figure 4.The background patterns 1 of shading-duplication preventing is made up of the big site at 45 degree net angles as seen from Figure 5; The safety notice 2 of shading-duplication preventing is made up of the little site at 45 degree net angles; The pattern of the interference pattern 3 in the shading-duplication preventing can have a lot, and its effect is exactly the vision that is used for disturbing the people.
Safety notice is to be embedded in the large-area background patterns, and interference pattern can attract the notice of human eye, thereby makes the better effects if that marker word is hidden.The gray-scale value of adding background patterns and safety notice is identical, so if do not examine, human eye is difficult to find to be concealed with among Fig. 4 the alert flag word of " forbidding duplicating " printed words.
But the site of background patterns and safety notice size is different with frequency, and duplicating machine is different to the ability of these two area samplings.Because the composition site of background patterns is bigger than the site of safety notice, when document duplicated on duplicating machine, most of gray value information of safety notice was lost, thereby presents white space; Most of gray value information of background patterns is retained, and the caution printed words of " forbidding duplicating " display, and document printing shown in Figure 4 effect after duplicating on the duplicating machine just can be easy to pick out copy and original paper with this as shown in Figure 6.
Embodiment two may further comprise the steps:
1, designs the component of shading-duplication preventing, and component is classified.
At first design the component of false proof shading, the closed region of an arbitrary shape is selected in the zone at background patterns place in the present embodiment, and interference pattern is that one group of sinusoidal line is arranged the curve group that forms.
Specify safety notice region design process below:
(1) one group of English character of input is as " COPY ";
(2) name that sets font is called " Times New Roman ";
(3) the literal size that sets font is 72pt;
(4) angle that literal is set is counterclockwise 45 degree;
(5) extract the vector outline path data of " COPY ", and each bar vector path is formed the compound path of a sealing, carry out just can obtaining the effect that literal shows after the odd even color is filled.
The zone at safety notice place is the closed region that compound path comprised of the vector outline lines composition of English words in the present embodiment.
In three kinds of shading-duplication preventing components, background patterns is in the orlop of shading-duplication preventing, and area is bigger, generally selects a background area whole space of a whole page that tiles, and therefore the representative element in this component of choosing is background area itself.
Safety notice is in the middle one deck in the false proof shading, and the number of repeated arrangement is more, selects an object as the representative element in this component from compound path set wherein.
Be positioned at the superiors of false proof shading in the interference pattern zone, the number of repeated arrangement is maximum, chooses any sinusoidal curve in the present embodiment as the representative element in this component.
2, the attribute of the representative element in every class component in the shading-duplication preventing is described with the self-defined font in the page-description language.
Present embodiment printer command language (Printer Command Language, PCL) each representative element in the Bitmap font defi-nition shading-duplication preventing in also can adopt each representative element in the type3 font defi-nition shading-duplication preventing among the PDF (PortableDocument Format).
At first self-defined 3 character codes are a, b and c, represent the representative element of background patterns, safety notice and interference pattern respectively.
The gray-scale value that character a is set is 6%, sets the linked network parameter, and wherein the site type is circular; The gray-scale value that character b is set is 6%, sets the linked network parameter, and wherein the site type is circular; The Fill Color that character c is set does not have corresponding linked network information for white.
3, specify the arrangement mode of the representative element of each shading-duplication preventing, and write in the page description file.
Be tiled in the foot of false proof shading in the present embodiment as the background patterns of representative element with character a, the center in the zone at background patterns place overlapped to place with the center of the space of a whole page get final product, data attribute and the positional information with a character writes in the page description file then.
Parity error row's mode is adopted in the arrangement of the representative element character b of safety notice, horizontal spacing is the lateral separation of central point of the boundary rectangle of two b characters, longitudinal pitch is the longitudinal separation of the boundary rectangle of two b characters, and the value at two intervals all is made as 20pt here.Calculate the number of the horizontal and vertical arrangement of space of a whole page b character respectively according to this rule, determine the reference position of b character after, can calculate the location sets that all b characters are arranged.The attribute definition data that the b character has been arranged only need again all location sets of arranging the b character to be described clear getting final product, and actual data have only portion.Thereby make the amplitude that contains much information of page description file reduce, print control unit has been avoided a lot of repetitive processes when explaining description object, saved the processing time.
The representative element c character of interference pattern also adopts same processing procedure.The arrangement mode of b character and c character is slightly different in the present embodiment, and each row of the space of a whole page is only arranged a c character, and longitudinal direction is the mode that parity rows adopts solid matter, and the spacing of arranging for horizontal direction parity rows mistake is the half period size of sinusoidal line.The attribute definition data of c character and the describing mode of positional information are with a character.
Giving print control unit with the page description file that writes above-mentioned information handles.
Safety notice is to be embedded in the large-area background patterns, and interference pattern can attract the notice of human eye, thereby makes the better effects if that marker word is hidden.The gray-scale value of adding background patterns and safety notice is identical, so if do not examine, human eye is difficult to find that document printing is concealed with the alert flag word of " COPY " printed words.
But the site of background patterns and safety notice size is different with frequency, and duplicating machine is different to the ability of these two area samplings.Because the composition site of background patterns is littler than the site of safety notice, the effect after the duplicating then effect with embodiment one is opposite, and promptly most of gray value information of background area is lost, and the most of gray value information in the marker word zone is retained.When document duplicated on duplicating machine, most of gray value information of background patterns was lost, thereby presents white space; Most of gray value information of safety notice is retained, and the caution printed words of " COPY " display, and just can be easy to pick out copy and original paper with this.
Overall flow of the present invention as shown in Figure 7.For realizing the present invention, other embodiments can also be arranged, can be designed to any pattern as the interference pattern in the shading-duplication preventing wherein; Safety notice can be designed to Logo picture, idiograph of company etc.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1, a kind of page description method of shading-duplication preventing is applicable to document printing, it is characterized in that, may further comprise the steps:
The component of A, design shading-duplication preventing, and described component classified;
B, in every class component, choose an object, and adopt the self-defined font in the page-description language that the attribute of described representative element is described as representative element;
C, the arrangement mode of described representative element is set;
D, the result data of step B and step C is write in the page description file of document printing.
2, the method for claim 1 is characterized in that, the self-defined font in the page-description language described in the step B is the self-defined font among Implementation Model For PostScript Language, printer command language or the PDF.
3, the method for claim 1 is characterized in that, described component comprises: background patterns, safety notice or interference pattern.
As claim 1 or 3 described methods, it is characterized in that 4, described component is vector figure data or image point matrix data.
5, method as claimed in claim 3 is characterized in that, the zone of described background patterns is the rectangular area or the self-defining closed region of rule.
6, method as claimed in claim 3 is characterized in that, the content of described safety notice is the IP address of date printed, time-write interval, printer, the MAC Address of printer or the character set that user's name is formed.
As claim 1 or 3 described methods, it is characterized in that 7, the background patterns in the described component is provided with identical or close gray-scale value, linked network order number and linked network angle with safety notice.
As claim 1 or 3 described methods, it is characterized in that 8, the site type in the described component is circular, square, oval or linear.
9, the method for claim 1 is characterized in that, parity error row, matrix solid matter or specific distance mode are adopted in the arrangement of the described representative element of step C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510135294XA CN100498586C (en) | 2005-12-29 | 2005-12-29 | Printing method for document including duplication preventing bottom grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510135294XA CN100498586C (en) | 2005-12-29 | 2005-12-29 | Printing method for document including duplication preventing bottom grain |
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| Publication Number | Publication Date |
|---|---|
| CN1991628A true CN1991628A (en) | 2007-07-04 |
| CN100498586C CN100498586C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510135294XA Expired - Fee Related CN100498586C (en) | 2005-12-29 | 2005-12-29 | Printing method for document including duplication preventing bottom grain |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691235A (en) * | 2012-05-29 | 2012-09-26 | 金红叶纸业集团有限公司 | Anti-duplicating paper and production method thereof |
| CN102704350A (en) * | 2012-05-29 | 2012-10-03 | 金红叶纸业集团有限公司 | Anti-copying paper and making method thereof |
| CN110641176A (en) * | 2019-08-14 | 2020-01-03 | 东莞金杯印刷有限公司 | Anti-copying printing method |
| CN113313782A (en) * | 2021-06-15 | 2021-08-27 | 福建正孚软件有限公司 | File anti-counterfeiting method and system based on three-dimensional grains |
-
2005
- 2005-12-29 CN CNB200510135294XA patent/CN100498586C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691235A (en) * | 2012-05-29 | 2012-09-26 | 金红叶纸业集团有限公司 | Anti-duplicating paper and production method thereof |
| CN102704350A (en) * | 2012-05-29 | 2012-10-03 | 金红叶纸业集团有限公司 | Anti-copying paper and making method thereof |
| CN102691235B (en) * | 2012-05-29 | 2014-07-02 | 金红叶纸业集团有限公司 | Anti-duplicating paper and production method thereof |
| CN102704350B (en) * | 2012-05-29 | 2015-05-20 | 金红叶纸业集团有限公司 | Anti-copying paper and making method thereof |
| CN110641176A (en) * | 2019-08-14 | 2020-01-03 | 东莞金杯印刷有限公司 | Anti-copying printing method |
| CN113313782A (en) * | 2021-06-15 | 2021-08-27 | 福建正孚软件有限公司 | File anti-counterfeiting method and system based on three-dimensional grains |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100498586C (en) | 2009-06-10 |
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Application publication date: 20070704 Assignee: BEIJING ITOWNET DIGITAL TECHNOLOGY Co.,Ltd. Assignor: Peking University Contract record no.: X2022980007490 Denomination of invention: A printing method for printed documents containing anti copy shading Granted publication date: 20090610 License type: Common License Record date: 20220610 |
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