CN110554846B - Printing imaging method and system, printing control and driving method and device and non-transitory storage medium - Google Patents
Printing imaging method and system, printing control and driving method and device and non-transitory storage medium Download PDFInfo
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- CN110554846B CN110554846B CN201910837404.9A CN201910837404A CN110554846B CN 110554846 B CN110554846 B CN 110554846B CN 201910837404 A CN201910837404 A CN 201910837404A CN 110554846 B CN110554846 B CN 110554846B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1211—Improving printing performance
- G06F3/1215—Improving printing performance achieving increased printing speed, i.e. reducing the time between printing start and printing end
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1244—Job translation or job parsing, e.g. page banding
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides a printing imaging method and system, a printing control and driving method and device and a non-transitory storage medium, wherein the method comprises the following steps: the printing control device detects whether a document to be printed has a bold character or not; when the document to be printed has the bold word, converting the bold word into a non-bold word in the process of converting the document to be printed into an intermediate file; setting a thickening mark for non-thickening words converted from thickening words in the intermediate file; transmitting the intermediate file to a print driving device; the printing driving device judges whether the intermediate file is provided with a thickening mark or not; when the judgment result is yes, in the process of converting the intermediate file into the printing language, carrying out thickening treatment on non-thickening words with thickening marks in the intermediate file according to a preset image processing algorithm; and generating a printing driving instruction according to the coarsened printing language. By the technical scheme, the data processing amount in the printing process can be reduced, and the printing speed and the user experience are improved.
Description
[ field of technology ]
The present invention relates to the field of imaging technologies, and in particular, to a printing imaging method and system, a printing control and driving method and apparatus, and a non-transitory storage medium.
[ background Art ]
Open source systems (e.g., linux systems) are increasingly developed by virtue of ecology, and users and developers of open source systems are increasingly growing; for example, the winning kylin, middle Ke Fangde, etc. all began to adopt the architecture of Linux. In the implementation scheme of the CUPS printing, an intermediate file with a format such as PDF is required to be sent to a printing driving device, and the printing driving device can convert words in the document to be printed into a bitmap so that the bitmap can be in a PCL (bitmap font object) format recognizable by a printer.
In the process of converting the bold characters into the intermediate file in the PDF format, the whole wheel library lines of the bold characters are required to be thickened, when the print driving device calls the Ghost Script to process the intermediate file, the thickened characters are converted into a large number of vector descriptions, the vector descriptions are different from bitmaps and are obtained by combining a plurality of different vector graphics, and each segment of vector is required to correspond to one print command, so that a simple thickening process is required to correspond to a large number of print commands. In this way, the amount of data that the entire system needs to process is very large, severely affecting the printing speed.
Therefore, how to increase the printing speed under the framework of the CPUS solution is a technical problem to be solved at present.
[ invention ]
The embodiment of the invention provides a printing imaging method and system, a printing control and driving method and device and a non-transitory storage medium, which aim to solve the technical problem of low printing speed caused by a large number of printing commands processed by a printing driving device in the related art and can effectively improve the printing speed.
In a first aspect, an embodiment of the present invention provides a print imaging method for a print imaging system, including a print control apparatus and a print driving apparatus, including: the printing control device responds to the acquired printing command and detects whether the document to be printed has a thickened word or not; when the thickened word is in the document to be printed, the printing control device converts the thickened word into a non-thickened word in the process of converting the document to be printed into an intermediate file; the printing control device sets a thickening identification for the non-thickening word converted from the thickening word in the intermediate file; the printing control device sends the intermediate file carrying the thickening identification to the printing driving device; the printing driving device judges whether the intermediate file is provided with a thickening mark or not; when the judgment result is that the intermediate file has the thickening identification, the printing driving device performs thickening processing on non-thickening words with the thickening identification in the intermediate file according to a preset image processing algorithm in the process of converting the intermediate file into a printing language; the print driving device generates a print driving instruction according to the print language after the thickening process.
In the above embodiment of the present invention, optionally, the method further includes: the printing control device responds to the acquired printing command and acquires the function information of the connected printing driving device; inquiring whether the printing driving device corresponding to the printing control device meets a preset requirement or not according to the function information; and executing the step of detecting whether the document to be printed has the bolded word or not in the case that the printing driving device meets the predetermined requirement.
In a second aspect, an embodiment of the present invention provides a print control method, for a print control apparatus, including: acquiring a printing command; detecting whether a document to be printed has a bolded word or not in response to the print command; when the to-be-printed document has the bold word, converting the bold word into a non-bold word in the process of converting the to-be-printed document into an intermediate file; setting a thickening identification for the non-thickening word converted from the thickening word in the intermediate file; and sending the intermediate file carrying the thickening identification to a printing driving device so that the printing driving device can carry out thickening processing on the non-thickening word with the thickening identification in the process of converting the intermediate file into a printing language.
In the above embodiment of the present invention, optionally, before the step of converting the bolded word into the non-bolded word in the process of converting the document to be printed into the intermediate file, the method further includes: and judging whether the font to which the bold character belongs has a corresponding bold font, wherein when the judgment result is that the font to which the bold character belongs does not have the corresponding bold font, the step of converting the bold character into a non-bold character in the process of converting the document to be printed into an intermediate file is carried out.
In the above embodiment of the present invention, optionally, when the document to be printed has the bolded word therein, the method further includes: and under the condition that the judgment result shows that the font to which the bold character belongs has the corresponding bold font, directly sending the bold character to the printing driving device according to the corresponding bold font format in the process of converting the document to be printed into the intermediate file, so that the printing driving device can directly convert the intermediate file into the printing language.
In the above embodiment of the present invention, optionally, before the step of detecting whether the document to be printed has the bolded word, the method further includes: acquiring the function information of the connected printing driving device; and judging whether the printing driving device has the function of thickening the non-thickened word or not according to the function information, wherein the step of detecting whether the document to be printed has the thickened word or not is carried out under the condition that the printing driving device has the function of thickening the non-thickened word.
In a third aspect, an embodiment of the present invention provides a print driving method for a print driving apparatus, including: acquiring an intermediate file from a printing control device; judging whether the intermediate file is provided with a thickening mark or not; when the judgment result is that the intermediate file has the thickening identification, in the process of converting the intermediate file into a printing language, thickening non-thickening words with the thickening identification in the intermediate file according to a preset image processing algorithm; and generating a printing driving instruction according to the coarsened printing language.
In the above embodiment of the present invention, optionally, the method further includes: and when the judgment result is that the intermediate file does not have the thickening identification, directly converting the intermediate file into the printing language.
In the above-described embodiment of the present invention, the thickening identification is optionally a custom format name set in advance in the print control apparatus and/or the print driving apparatus.
In the above embodiment of the present invention, optionally, the preset image processing algorithm includes: performing binarization image gray level processing on the intermediate file to obtain a first image; in the process of traversing all pixels in the first image, converting adjacent white pixels of each black pixel into gray pixels to obtain a second image; performing binarization processing on the second image to obtain a third image; and generating the print language after the thickening processing according to the third image.
In a fourth aspect, an embodiment of the present invention provides a print control apparatus including: a print command acquisition unit configured to acquire a print command; a bolded word detection unit for detecting whether a bolded word is present in the document to be printed in response to the print command; a word conversion unit configured to convert the thickened word into a non-thickened word in the process of converting the document to be printed into an intermediate file when the thickened word is present in the document to be printed; a thickening identification setting unit, configured to set a thickening identification for the non-thickening word converted from the thickening word in the intermediate file; and the intermediate file sending unit is used for sending the intermediate file carrying the thickening identification to a printing driving device so that the printing driving device can carry out thickening processing on the non-thickening word with the thickening identification in the process of converting the intermediate file into a printing language.
In the above embodiment of the present invention, optionally, the method further includes: and the first judging unit is used for judging whether the font which the bold word belongs to has a corresponding bold font before the word converting unit converts the bold word into the non-bold word, wherein the bold word is converted into the non-bold word through the word converting unit under the condition that the judgment result is that the font which the bold word belongs to does not have the corresponding bold font.
In the above embodiment of the present invention, optionally, the method further includes: and the execution unit is used for directly sending the thickened word to the printing driving device according to the corresponding thickened font format in the process of converting the document to be printed into the intermediate file under the condition that the judgment result is that the font to which the thickened word belongs has the corresponding thickened font when the thickened word is arranged in the document to be printed, so that the printing driving device can directly convert the intermediate file into the printing language.
In the above embodiment of the present invention, optionally, the method further includes: a function information acquisition unit configured to acquire function information of the print driving device connected before the bold word detection unit detects whether the document to be printed has the bold word; and a second judging unit configured to judge whether the print driving device has a function of thickening the non-thickened word according to the function information, wherein the step of detecting whether the document to be printed has a thickened word is entered in a case where the print driving device has a function of thickening the non-thickened word.
In a fifth aspect, an embodiment of the present invention provides a print driving apparatus including: an intermediate file acquisition unit configured to acquire an intermediate file from the print control apparatus; the thickening identification judging unit is used for judging whether the intermediate file is provided with thickening identification or not; the thickening processing unit is used for thickening non-thickening words with the thickening marks in the intermediate file according to a preset image processing algorithm in the process of converting the intermediate file into a printing language under the condition that the thickening marks are in the intermediate file as a result of judgment; and the driving instruction generating unit is used for generating a printing driving instruction according to the print language after the thickening processing.
In the above embodiment of the present invention, optionally, the method further includes: and the intermediate file conversion unit is used for directly converting the intermediate file into the printing language under the condition that the judgment result is that the thickening identification is not included in the intermediate file.
In the above-described embodiment of the present invention, the thickening identification is optionally a custom format name set in advance in the print control apparatus and/or the print driving apparatus.
In the above embodiment of the present invention, optionally, the preset image processing algorithm includes: performing binarization image gray level processing on the intermediate file to obtain a first image; in the process of traversing all pixels in the first image, converting adjacent white pixels of each black pixel into gray pixels to obtain a second image; performing binarization processing on the second image to obtain a third image; and generating the print language after the thickening processing according to the third image.
In a sixth aspect, an embodiment of the present invention provides a print control apparatus including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being arranged to perform the method of any of the second aspects above.
In a seventh aspect, an embodiment of the present invention provides a print driving apparatus including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being arranged to perform the method of any of the third aspects above.
In an eighth aspect, an embodiment of the present invention provides a print imaging system including the print control apparatus described in the sixth aspect described above and the print driving apparatus described in the seventh aspect described above.
In a ninth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for performing the method flow of any one of the first aspect, the second aspect, or the third aspect.
According to the technical scheme, the technical problem that the printing speed is low due to the fact that a large number of printing commands are processed by the printing driving device in the related art is solved, specifically, in the printing imaging system, the printing imaging system at least comprises a printing control device and a printing driving device, a user can perform printing operation on a client side, the printing control device arranged in the client side can receive the printing commands, the printing control device responds to the obtained printing commands to detect whether a document to be printed has a thickened word or not, if the document to be printed has the thickened word, the thickened word is converted into a non-thickened word in the process of converting the document to be printed into an intermediate file, and therefore the intermediate file does not have the thickened word, namely, the step of generating the thickened word is removed from the process of producing the intermediate file, and then a large number of corresponding printing commands are not needed to be generated for the large number of thickened words in the process of converting the intermediate file into a printing language. Meanwhile, in order that the print driving device can recognize these bolded words in the subsequent step, the print control device may set a bolded flag for the non-bolded words converted from the bolded words in the intermediate file, and finally, the print control device sends the intermediate file carrying the bolded flag to the print driving device.
The print driving device may be disposed on the client side or on the printing device side, or may be disposed separately, and after the print driving device receives the intermediate file, it needs to determine whether the intermediate file has a thickening mark, and if the intermediate file has a thickening mark, it indicates that the intermediate file has thickening words, so that the thickening words can be identified by the thickening mark, and a preset image processing algorithm dedicated to thickening the words in the non-thickening form is disposed in the print driving device, so that the preset image processing algorithm may be applied to thicken the words having the thickening mark.
As is clear from the foregoing background art, in the related art, the print control apparatus converts the document to be printed having the bolded words into bitmaps, and the print driving apparatus changes these bitmaps into a large number of vector images and then generates the print command.
In the technical scheme of the invention, when the document to be printed with the thickened words is converted into the bitmap, the thickened words are displayed in a non-thickened form by the printing control device, so that the number of the formed vector images is greatly reduced, and the number of printing commands required correspondingly is greatly reduced, thereby reducing the calculation difficulty and improving the printing speed. On the basis, the non-thickening character with the thickening mark in the intermediate file is simply thickened through a preset image processing algorithm, so that a large number of increases of the vector diagram are not involved, and a large number of printing commands are not generated.
Through the technical scheme, the font thickening process which is originally in the middle file conversion process is canceled, and the non-thickened fonts which are required to be thickened and displayed in the middle file are thickened in the process of generating the printing language, so that a large number of vector images and corresponding printing commands can be avoided, the data processing amount in the printing process is greatly reduced, and the printing speed and the user experience are improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a flow chart of a print imaging method according to one embodiment of the invention;
FIG. 2 shows a flow chart of a print control method according to one embodiment of the invention;
fig. 3 shows a flowchart of a print control method according to another embodiment of the present invention;
FIG. 4 shows a flow chart of a print driving method according to one embodiment of the invention;
FIG. 5 shows a schematic diagram of a word thickening process according to one embodiment of the present invention;
FIG. 6 shows a flow chart of a print imaging method according to another embodiment of the invention;
fig. 7 shows a block diagram of a print control apparatus according to an embodiment of the present invention;
fig. 8 shows a block diagram of a print control apparatus according to another embodiment of the present invention;
fig. 9 shows a block diagram of a print driving apparatus according to an embodiment of the present invention;
fig. 10 shows a block diagram of a print driving apparatus according to another embodiment of the present invention;
FIG. 11 illustrates a block diagram of a print imaging system according to one embodiment of the invention.
[ detailed description ] of the invention
For a better understanding of the technical solution of the present invention, the following detailed description of the embodiments of the present invention refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Open source systems (e.g., linux systems) are increasingly developed by virtue of ecology, and users and developers of open source systems are increasingly growing; for example, the winning kylin, middle Ke Fangde, etc. all began to adopt the architecture of Linux. The operating system is usually based on a universal UNIX printing system (abbreviated as cup), and in the implementation scheme of cup printing, a print driver needs to call a Ghost Script to process an intermediate file. Specifically, it is often necessary to send an intermediate file, which converts a document to be printed into a format such as PDF, to a print driving apparatus, which can convert words in the document to be printed into a bitmap so that it becomes a PCL (bitmap font object) format recognizable to the printer.
In this way, during the process of printing a normal font (not bold), the print control device such as WPS transmits the normal font, and the PDF stores the normal font, and the Ghost Script converts the normal font into a bitmap font (bitmap) and into a PCL format (bitmap font object) that can be recognized by the print drive device.
However, for the processing of the bold-faced word, the print control apparatus needs to carry out the edge drawing and thickening of the bold-faced word in the process of producing the PDF file, that is, thickening the outline of the whole normal word to obtain the bold-faced word. In this way, when the Ghost Script processes PDF, the bold characters obtained by thickening the edges are converted into a large number of vector descriptions, the vector descriptions are obtained by combining a plurality of different vector graphics, and a plurality of printing commands are corresponding to the vector descriptions, so that the amount of data to be processed by the printing driving device is very large, and the printing speed is affected.
In view of this problem, the technical solution of the present invention provides a new printing method under the framework of the CPUS-based solution, so as to improve the printing speed, and the technical solution of the present invention is described in detail below through several embodiments and accompanying drawings.
Fig. 1 shows a flowchart of a print imaging method according to an embodiment of the present invention.
As shown in fig. 1, a printing imaging method according to an embodiment of the present invention is used for a printing imaging system including a printing control device and a printing driving device, and the flow of the method includes:
in step 102, the print control apparatus detects whether or not there is a bolded word in the document to be printed in response to the acquired print command.
In the printing imaging system, at least comprising a printing control device and a printing driving device, a user can perform printing operation on a client, the printing control device arranged in the client can receive a printing command (for example, the user clicks a printing operation in application software, the printing control device can receive a corresponding printing command), and the printing control device responds to the obtained printing command to detect whether a document to be printed has a bolded word or not.
If the thickening word exists, the thickening word is converted into a non-thickening word in the process of converting the document to be printed into the intermediate file, so that the intermediate file does not have the thickening word, namely, the step of processing the thickening word is moved out of the process of processing the intermediate file, and then the thickening word is processed without a Ghost Script module of an operating system in the process of converting the intermediate file into a printing language, thereby avoiding generating a large number of corresponding printing commands, being beneficial to combining the subsequent work of a printing driving device, reducing the workload of the whole printing imaging system and improving the printing efficiency.
And 106, the printing control device sets a thickening identification for the non-thickening word converted from the thickening word in the intermediate file.
And step 108, the printing control device sends the intermediate file carrying the thickening identification to a printing driving device.
Meanwhile, in order that the print driving device can recognize these bolded words in the subsequent step, the print control device may set a bolded flag for the non-bolded words converted from the bolded words in the intermediate file, and finally, the print control device sends the intermediate file carrying the bolded flag to the print driving device.
The printing driving device can be arranged at the client side or at the printing equipment side, and can be independently arranged, after receiving the intermediate file, the printing driving device firstly needs to judge whether the intermediate file is provided with a thickening mark, if the intermediate file is provided with the thickening mark, the intermediate file is provided with thickening words, so that the thickening words can be identified through the thickening mark, and a preset image processing algorithm special for thickening the words in the non-thickening form is arranged in the printing driving device, and does not need to convert the thickening fonts into a large number of vector descriptions according to a Ghost Script module carried by an operating system; that is, the technical scheme provided by the embodiment adds a custom image processing algorithm for performing thickening processing on non-thickening words with thickening marks on the basis of a Ghost Script module of an operating system; the word with the bolded logo may be bolded using a predetermined image processing algorithm.
And 114, the printing driving device generates a printing driving instruction according to the thickened printing language.
As is clear from the foregoing background art, in the related art, the print control apparatus converts the document to be printed having the bolded words into bitmaps, and the print driving apparatus changes these bitmaps into a large number of vector images and then generates the print command.
In the technical scheme of the invention, when the document to be printed with the thickened words is converted into the bitmap, the thickened words are displayed in a non-thickened form by the printing control device, so that the number of the formed vector images is greatly reduced, and the number of printing commands required correspondingly is greatly reduced, thereby reducing the calculation difficulty and improving the printing speed. On the basis, the non-thickening character with the thickening mark in the intermediate file is simply thickened through a preset image processing algorithm, so that a large number of increases of the vector diagram are not involved, and a large number of printing commands are not generated.
On the basis of the embodiment shown in fig. 1, the method further comprises: the printing control device responds to the acquired printing command and acquires the function information of the connected printing driving device; inquiring whether the printing driving device corresponding to the printing control device meets a preset requirement or not according to the function information; and executing the step of detecting whether the document to be printed has the bolded word or not in the case that the printing driving device meets the predetermined requirement.
That is, the print control apparatus needs to judge the function support condition of the print driving apparatus before detecting whether or not there is a bolded word in the document to be printed, specifically, it is possible to acquire the function information of the connected print driving apparatus, and judge whether or not the print driving apparatus satisfies the predetermined requirement based on the function information, where the predetermined requirement is that the print driving apparatus has a function of bolding a word having a bolded mark using the preset image processing algorithm described in the embodiment shown in fig. 1, and the function information includes the mark information indicating whether the print driving apparatus has this function or does not, and therefore it is possible to judge whether or not the corresponding print driving apparatus can bold a word having a bolded mark using the preset image processing algorithm based on the function information. If so, the steps described in connection with the embodiment shown in FIG. 1 are entered to detect whether there are bolded words in the document to be printed. Otherwise, the document to be printed may be subjected to printing processing by a general printing method provided in the related art.
By the technical scheme, the problem of printing failure caused by the asynchronous functions of the printing control device and the printing driving device can be avoided, the printing driving device capable of applying the preset image processing algorithm and the printing driving device incapable of applying the preset image processing algorithm can be compatible, and practicability and convenience are provided for the printing process.
Fig. 2 shows a flowchart of a print control method according to an embodiment of the present invention.
As shown in fig. 2, a print control method according to an embodiment of the present invention is used for a print control apparatus, the method including:
In a printing image forming system including at least two parts of a printing control device and a printing driving device, a user can perform a printing operation at a client, and the printing control device provided in the client can receive a printing command, and the printing control device detects whether a document to be printed has a bolded word in response to the acquired printing command.
In response to the print command, it is detected whether there is a bolded word in the document to be printed, step 204.
If the thickening word exists, the thickening word is converted into a non-thickening word in the process of converting the document to be printed into the intermediate file, so that the intermediate file does not have the thickening word, namely, the step of generating the thickening word is moved out of the process of producing the intermediate file, and a large number of corresponding printing commands are not required to be generated for a large number of thickening words in the process of converting the intermediate file into a printing language, thereby being beneficial to combining the subsequent work of a printing driving device, reducing the workload of the whole printing imaging system and improving the printing efficiency.
And step 206, when the bold word is in the document to be printed, converting the bold word into a non-bold word in the process of converting the document to be printed into an intermediate file.
Meanwhile, in order that the print driving device can recognize these bolded words in the subsequent step, the print control device may set a bolded flag for the non-bolded words converted from the bolded words in the intermediate file, and finally, the print control device sends the intermediate file carrying the bolded flag to the print driving device.
Fig. 3 shows a flowchart of a print control method according to another embodiment of the present invention.
As shown in fig. 3, a print control method according to another embodiment of the present invention is for a print control apparatus, the method including:
In response to the print command, it is detected whether there is a bolded word in the document to be printed, step 308.
And 310, printing the document to be printed in a common mode, and ending the process.
Wherein, in the case that the print driving device has a function of thickening the non-thickened word, step 308 is entered to detect whether the document to be printed has a thickening or not, and in the case that the print driving device does not have a function of thickening the non-thickened word, step 310 is entered to print the document to be printed in a normal manner.
Therefore, if the print control device directly changes the bold word into the non-bold word, if the print drive device does not support the bold processing in the process of converting the printing language, the printing of the bold word in the document to be printed fails or is performed in the form of the non-bold word, and the printing effect is affected. Therefore, this judgment step is added to ensure smooth progress of the print job.
If the bold word in the document to be printed has the corresponding bold font a ', the bold word of the original font a can be directly converted into the non-bold word under the bold font a ' in the process of converting to the intermediate file, so that the printing driving device does not need to perform the bold processing on the intermediate file, and the intermediate file is directly converted into the printing language by adopting a common printing mode, and the non-bold word under the bold font a ' is printed.
Therefore, the printing process can be flexibly simplified according to the actual font storage condition in the printing control device, and the printing speed can be improved.
As can be seen from the embodiments shown in fig. 2 and 3, the font thickening process that is originally in the middle file conversion process is eliminated, and the non-thickening fonts that need to be thickened and displayed in the middle file are thickened in the process of generating the printing language, so that a large number of vector diagrams and corresponding printing commands can be avoided, the data processing amount in the printing process is greatly reduced, and the printing speed and the user experience are improved.
Fig. 4 shows a flowchart of a print driving method according to an embodiment of the present invention.
As shown in fig. 4, a print driving method according to an embodiment of the present invention is for a print driving apparatus, the method including:
step 402, an intermediate file from a print control apparatus is acquired.
Wherein the bold flag is a custom format name set in advance in the print control apparatus and/or the print driving apparatus. If the intermediate file has the thickening mark, the non-thickening words converted from the thickening words are indicated in the intermediate file, and the non-thickening words with the thickening mark can be accurately printed on the document to be printed corresponding to the intermediate file only by re-thickening processing in the process of converting the intermediate file into the printing language.
Since the printing control device displays the thickened words in a non-thickened form when converting the document to be printed with the thickened words into the bitmap, the number of the formed vector images is greatly reduced, and accordingly, the printing command corresponding to the printing command in the printing driving device is greatly reduced, so that the calculation difficulty is reduced, and the printing speed is improved. On the basis, the non-thickening character with the thickening mark in the intermediate file is simply thickened through a preset image processing algorithm, so that a large number of increases of the vector diagram are not involved, and a large number of printing commands are not generated.
If the intermediate file does not have the thickening mark, the non-thickening character converted from the thickening character in the intermediate file is indicated, and thickening reduction processing is not needed, so that the intermediate file can be directly converted into the printing language by adopting a common printing mode.
Finally, generating a printing driving instruction according to the obtained printing language, and sending the printing driving instruction to the printing equipment to image the document to be printed corresponding to the intermediate file.
The preset image processing algorithm comprises the following steps: performing binarization image gray level processing on the intermediate file to obtain a first image; in the process of traversing all pixels in the first image, converting adjacent white pixels of each black pixel into gray pixels to obtain a second image; performing binarization processing on the second image to obtain a third image; and generating the print language after the thickening processing according to the third image.
In the case that the intermediate file is a black-and-white binary image, the intermediate file may be subjected to binarization image gray scale processing to obtain a first image so as to implement word thickening by increasing gray pixels. The binarized image gray scale processing method is various, including but not limited to a component method, a maximum value method, an average value method and a weighted average method.
After the first image subjected to the binarization image gray scale processing is obtained, the adjacent white pixel of each black pixel can be converted into a gray pixel to obtain a second image, so that the range occupied by each black pixel in the second image is widened, namely thickened.
As shown in fig. 5, a horizontal line in the non-thickened word is composed of a row of black pixels, and each black pixel is converted into a gray pixel from the upper, lower, left and right white pixels, thereby realizing the thickening of the horizontal line. And then, performing binarization processing on the second image, restoring to obtain a third image, and finally, generating the coarsened printing language according to the third image. However, the present embodiment is not limited thereto, and all adjacent white pixels of each black pixel may be converted into gray pixels in a specific embodiment corresponding to the gray pixels; 1 and 2 … … can be added up, down, left and right, or 1 and 2 … … can be added only at the lower right to distinguish different thickening degrees.
Of course, the preset image processing algorithm includes, but is not limited to, the above manner, and in the thickening process in the above manner, the step of converting the adjacent white pixel of each black pixel into a gray pixel may be replaced by the following steps: white pixels in a specified adjacent range of each black pixel are converted into gray pixels, the specified adjacent range can be flexibly set according to font thickening requirements, and any pixel rate in any direction of the black pixels can be included.
Therefore, the printing driving device only needs to perform simple pixel expansion in the process of converting the printing language, does not need to deal with a large number of printing commands, does not involve a large number of increases of the vector diagram, still does not generate a large number of printing commands, and therefore, the calculation difficulty can be reduced, and the printing speed can be improved. According to the technical scheme, the font thickening process which is originally in the middle file conversion process is canceled, and the non-thickening fonts which need to be thickened and displayed in the middle file are subjected to simple and convenient thickening processing in the process of generating the printing language, so that a large number of vector images and corresponding printing commands can be avoided, the data processing amount in the printing process is greatly reduced, and the printing speed and the user experience are improved.
Fig. 6 shows a flowchart of a print imaging method according to another embodiment of the invention.
As shown in fig. 6, a printing imaging method according to another embodiment of the present invention is implemented by cooperation of two parts of application software and a driver, the method comprising the steps of:
In the printing imaging system, at least two parts are included, namely a printing control device and a printing driving device, wherein the printing control device comprises but is not limited to application software, and the driving program is installed on the printing driving device. Before printing, it is necessary to determine the function support of the driver, specifically, it is possible to obtain the function information of the connected driver, and determine whether the driver meets a predetermined requirement according to the function information, where the predetermined requirement refers to that the driver has a function of thickening a word having a thickening identification by applying a preset image processing algorithm described in the embodiment shown in fig. 1, and the function information includes identification information indicating that the driver has the function or does not have the function, so that it is possible to determine whether the corresponding driver can thicken the word having the thickening identification by applying the preset image processing algorithm according to the function information. If so, the steps described in connection with the embodiment shown in FIG. 1 are entered to detect whether there are bolded words in the document to be printed. Otherwise, the document to be printed may be subjected to printing processing by a general printing method provided in the related art. Therefore, the printing failure problem caused by the asynchronous functions of the application software and the driver can be avoided, and practicability and convenience are provided for the printing process.
If there is a bold character, step 606 is entered, and it is determined whether a print mode for thickening the character with the thickened mark by applying a preset image processing algorithm is available, otherwise step 610 is entered, and printing is performed using a common print mode provided in the related art.
In step 606, the application software determines whether the bold font has a bold version, and if yes, proceeds to step 610, and if no, proceeds to step 608.
If the bold characters in the document to be printed have the corresponding bold fonts a ', the bold characters of the original fonts a can be directly converted into the non-bold characters under the bold fonts a ' in the process of converting the bold characters into the intermediate file, so that a driver does not need to perform the bold processing on the intermediate file, and the intermediate file is directly converted into a printing language by adopting a common printing mode to print the non-bold characters under the bold fonts a '.
At step 608, the application software cancels the step of using the contour thickening method.
At step 610, the application software executes the printing flow provided in the related art.
In step 612, the application software changes the font name of the Bold font, adds a Bold typeface to the font name, and generates a new PDF file.
The Bold word is a Bold mark, and is a custom format name set in the print control device and/or the print driving device in advance, and can be used for a driver to recognize Bold words.
In step 614, the driver determines that the font name in the PDF file received from the application software has Bold typeface.
In step 616, if the font name has Bold typeface, the driver program applies a preset image processing algorithm to thicken the font corresponding to the font name.
The driver recognizes Bold words from the Bold word and performs a Bold processing on the Bold words using a preset image processing algorithm, including but not limited to, a binary image gray scale processing mode.
In step 618, the driver generates a PCL command according to the thickening result, and sends the PCL command to the printer.
Finally, the driver sends a PCL command to the printer to drive the printer to perform a print job.
Through the technical scheme, the font thickening process which is originally in the middle file conversion process is canceled, and the non-thickened fonts which are required to be thickened and displayed in the middle file are thickened in the process of generating the printing language, so that a large number of vector images and corresponding printing commands can be avoided, the data processing amount in the printing process is greatly reduced, and the printing speed and the user experience are improved.
Fig. 7 shows a block diagram of a print control apparatus according to an embodiment of the present invention.
As shown in fig. 7, a print control apparatus 700 according to an embodiment of the present invention includes: a print command acquisition unit 702 for acquiring a print command; a bolded word detection unit 704 for detecting whether or not there is a bolded word in the document to be printed in response to the print command; a word conversion unit 706, configured to convert the bold word into a non-bold word in a process of converting the document to be printed into an intermediate file when the bold word is included in the document to be printed; a thickening identification setting unit 708 for setting a thickening identification for the non-thickening word converted from the thickening word in the intermediate file; an intermediate file sending unit 610, configured to send the intermediate file carrying the thickening identification to a print driving device, so that the print driving device performs thickening processing on the non-thickening word having the thickening identification in a process of converting the intermediate file into a printing language.
In the above embodiment of the present invention, optionally, the method further includes: a first judging unit, configured to judge whether the font to which the bold word belongs has a corresponding bold font before the word converting unit 706 converts the bold word into the non-bold word, where the bold word is converted into the non-bold word by the word converting unit when the judgment result is that the font to which the bold word belongs does not have a corresponding bold font.
In the above embodiment of the present invention, optionally, the method further includes: and the execution unit is used for directly sending the thickened word to the printing driving device according to the corresponding thickened font format in the process of converting the document to be printed into the intermediate file under the condition that the judgment result is that the font to which the thickened word belongs has the corresponding thickened font when the thickened word is arranged in the document to be printed, so that the printing driving device can directly convert the intermediate file into the printing language.
In the above embodiment of the present invention, optionally, the method further includes: a function information acquiring unit configured to acquire function information of the print driving device connected before the bolded word detecting unit 704 detects whether the bolded word is present in the document to be printed; and a second judging unit configured to judge whether the print driving device has a function of thickening the non-thickened word according to the function information, wherein the step of detecting whether the document to be printed has a thickened word is entered in a case where the print driving device has a function of thickening the non-thickened word.
The print control apparatus 700 uses the scheme described in any one of the embodiments shown in fig. 2 and 3, and therefore has all the technical effects described above, and will not be described in detail herein.
Fig. 8 shows a block diagram of a print control apparatus according to another embodiment of the present invention.
As shown in fig. 8, a print control apparatus 800 according to another embodiment of the present invention includes at least one memory 802; and a processor 804 communicatively coupled to the at least one memory 802; wherein the memory stores instructions executable by the at least one processor 804, the instructions being configured to perform the arrangement of any of the embodiments of fig. 2 and 3 described above. Therefore, the printing control apparatus 800 has the same technical effects as any one of the embodiments of fig. 2 and 3, and will not be described herein.
Fig. 9 shows a block diagram of a print driving apparatus according to an embodiment of the present invention.
As shown in fig. 9, a print driving apparatus 900 according to an embodiment of the present invention includes: an intermediate file acquisition unit 902 for acquiring an intermediate file from the print control apparatus; a thickening identification judging unit 904, configured to judge whether the intermediate file has a thickening identification; a thickening processing unit 906, configured to, when the result of the determination is that the intermediate file has the thickening identifier, perform thickening processing on a non-thickening word having the thickening identifier in the intermediate file according to a preset image processing algorithm in a process of converting the intermediate file into a printing language; a driving instruction generation unit 908 for generating a printing driving instruction from the print language after the thickening process.
In the above embodiment of the present invention, optionally, the method further includes: and the intermediate file conversion unit is used for directly converting the intermediate file into the printing language under the condition that the judgment result is that the thickening identification is not included in the intermediate file.
In the above-described embodiment of the present invention, the thickening identification is optionally a custom format name set in advance in the print control apparatus and/or the print driving apparatus.
In the above embodiment of the present invention, optionally, the preset image processing algorithm includes: performing binarization image gray level processing on the intermediate file to obtain a first image; in the process of traversing all pixels in the first image, converting adjacent white pixels of each black pixel into gray pixels to obtain a second image; performing binarization processing on the second image to obtain a third image; and generating the print language after the thickening processing according to the third image.
The print driving apparatus 900 uses the scheme of any one of the embodiments shown in fig. 4, and therefore, has all the technical effects described above, and will not be described herein.
Fig. 10 shows a block diagram of a print driving apparatus according to another embodiment of the present invention.
As shown in fig. 10, a print driving apparatus 1000 of one embodiment of the present invention includes at least one memory 1002; and a processor 1004 communicatively coupled to the at least one memory 1002; wherein the memory stores instructions executable by the at least one processor 1004, the instructions being configured to perform the arrangement of any of the embodiments of fig. 4 described above. Therefore, the print driving apparatus 1000 has the same technical effects as any one of the embodiments of fig. 4, and will not be described again.
FIG. 11 illustrates a block diagram of a print imaging system according to one embodiment of the invention.
As shown in fig. 11, the print imaging system 1100 according to an embodiment of the present invention includes the print control apparatus 800 shown in fig. 8 and the print driving apparatus 1000 shown in fig. 10, and therefore, the print imaging system 1100 is configured to perform the solution described in any one of the embodiments of fig. 1 to 6, and has all the technical effects described above, which are not described herein again.
The printing imaging system 1100 of embodiments of the present invention can exist in a variety of forms including, but not limited to:
(1) Mobile communication devices, which are characterized by mobile communication functionality and are aimed at providing voice, data communication. Such terminals include smart phones (e.g., iPhone), multimedia phones, functional phones, and low-end phones, among others.
(2) Ultra mobile personal computer equipment, which belongs to the category of personal computers, has the functions of calculation and processing and generally has the characteristic of mobile internet surfing. Such terminals include PDA, MID and UMPC devices, etc., such as iPad.
(3) Portable entertainment devices such devices can display and play multimedia content. Such devices include audio, video players (e.g., iPod), palm game consoles, electronic books, and smart toys and portable car navigation devices.
(4) The server is similar to a general computer architecture in that the server is provided with high-reliability services, and therefore, the server has high requirements on processing capacity, stability, reliability, safety, expandability, manageability and the like.
(5) Other electronic devices with data interaction function.
In addition, an embodiment of the present invention provides a computer readable storage medium storing computer executable instructions for performing the method flow described in any one of the embodiments of fig. 1 to 6.
The technical scheme of the invention is described in detail by combining the drawings, the font thickening process which is originally in the middle file conversion process is cancelled, and the non-thickened fonts which need to be thickened and displayed in the middle file are thickened in the process of generating the printing language, so that a large number of vector images and corresponding printing commands can be avoided, the data processing capacity in the printing process is greatly reduced, and the printing speed and the user experience are improved.
The integrated units implemented in the form of software functional units described above may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a Processor (Processor) to perform part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Claims (16)
1. A print imaging method for a print imaging system including a print control apparatus and a print drive apparatus, comprising:
the printing control device responds to the acquired printing command and detects whether the document to be printed has a thickened word or not;
When the thickened word is in the document to be printed, the printing control device converts the thickened word into a non-thickened word in the process of converting the document to be printed into an intermediate file;
the printing control device sets a thickening identification for the non-thickening word converted from the thickening word in the intermediate file;
the printing control device sends the intermediate file carrying the thickening identification to the printing driving device;
the printing driving device judges whether the intermediate file is provided with a thickening mark or not;
when the judgment result is that the intermediate file has the thickening identification, the printing driving device performs thickening processing on non-thickening words with the thickening identification in the intermediate file according to a preset image processing algorithm in the process of converting the intermediate file into a printing language;
the print driving device generates a print driving instruction according to the print language after the thickening process.
2. The print imaging method of claim 1, further comprising:
the printing control device responds to the acquired printing command and acquires the function information of the connected printing driving device;
Inquiring whether the printing driving device corresponding to the printing control device meets a preset requirement or not according to the function information;
and executing the step of detecting whether the document to be printed has the bolded word or not in the case that the printing driving device meets the predetermined requirement.
3. A print control method for a print control apparatus, comprising:
acquiring a printing command;
detecting whether a document to be printed has a bolded word or not in response to the print command;
when the to-be-printed document has the bold word, converting the bold word into a non-bold word in the process of converting the to-be-printed document into an intermediate file;
setting a thickening identification for the non-thickening word converted from the thickening word in the intermediate file;
and sending the intermediate file carrying the thickening identification to a printing driving device so that the printing driving device can carry out thickening processing on the non-thickening word with the thickening identification in the process of converting the intermediate file into a printing language.
4. A print control method according to claim 3, further comprising, before the step of converting the bolded word into the non-bolded word in converting the document to be printed into an intermediate file:
And judging whether the font to which the bold character belongs has a corresponding bold font, wherein when the judgment result is that the font to which the bold character belongs does not have the corresponding bold font, the step of converting the bold character into a non-bold character in the process of converting the document to be printed into an intermediate file is carried out.
5. The print control method according to claim 4, characterized by, when the document to be printed has the bolded word therein, further comprising:
and under the condition that the judgment result shows that the font to which the bold character belongs has the corresponding bold font, directly sending the bold character to the printing driving device according to the corresponding bold font format in the process of converting the document to be printed into the intermediate file, so that the printing driving device can directly convert the intermediate file into the printing language.
6. The print control method according to any one of claims 3 to 5, characterized by further comprising, before the step of detecting whether there is a bolded word in the document to be printed:
acquiring the function information of the connected printing driving device;
and judging whether the printing driving device has the function of thickening the non-thickened word or not according to the function information, wherein the step of detecting whether the document to be printed has the thickened word or not is carried out under the condition that the printing driving device has the function of thickening the non-thickened word.
7. A print driving method for a print driving apparatus, comprising:
acquiring an intermediate file from a printing control device;
judging whether the intermediate file is provided with a thickening mark or not;
when the judgment result is that the intermediate file has the thickening identification, in the process of converting the intermediate file into a printing language, thickening non-thickening words with the thickening identification in the intermediate file according to a preset image processing algorithm;
and generating a printing driving instruction according to the coarsened printing language.
8. The print driving method according to claim 7, characterized by further comprising:
and when the judgment result is that the intermediate file does not have the thickening identification, directly converting the intermediate file into the printing language.
9. The print driving method according to claim 7 or 8, wherein,
the bold flag is a custom format name set in advance in the print control apparatus and/or the print driving apparatus.
10. The print driving method according to claim 9, wherein the preset image processing algorithm includes:
Performing binarization image gray level processing on the intermediate file to obtain a first image;
in the process of traversing all pixels in the first image, converting adjacent white pixels of each black pixel into gray pixels to obtain a second image;
performing binarization processing on the second image to obtain a third image;
and generating the print language after the thickening processing according to the third image.
11. A print control apparatus, comprising:
a print command acquisition unit configured to acquire a print command;
a bolded word detection unit for detecting whether a bolded word is present in the document to be printed in response to the print command;
a word conversion unit configured to convert the thickened word into a non-thickened word in the process of converting the document to be printed into an intermediate file when the thickened word is present in the document to be printed;
a thickening identification setting unit, configured to set a thickening identification for the non-thickening word converted from the thickening word in the intermediate file;
and the intermediate file sending unit is used for sending the intermediate file carrying the thickening identification to a printing driving device so that the printing driving device can carry out thickening processing on the non-thickening word with the thickening identification in the process of converting the intermediate file into a printing language.
12. A print driving apparatus, comprising:
an intermediate file acquisition unit configured to acquire an intermediate file from the print control apparatus;
the thickening identification judging unit is used for judging whether the intermediate file is provided with thickening identification or not;
the thickening processing unit is used for thickening non-thickening words with the thickening marks in the intermediate file according to a preset image processing algorithm in the process of converting the intermediate file into a printing language under the condition that the thickening marks are in the intermediate file as a result of judgment;
and the driving instruction generating unit is used for generating a printing driving instruction according to the print language after the thickening processing.
13. A print control apparatus, comprising: at least one processor; and a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor, the instructions being arranged to perform the method of any of the preceding claims 3 to 6.
14. A print driving apparatus, comprising: at least one processor; and a memory communicatively coupled to the at least one processor;
Wherein the memory stores instructions executable by the at least one processor, the instructions being arranged to perform the method of any of the preceding claims 7 to 10.
15. A print imaging system comprising the print control apparatus of claim 13 and the print drive apparatus of claim 14.
16. A non-transitory storage medium storing computer executable instructions for performing the method of any one of claims 1 to 10.
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