CN111191427A - PDF document annotation method and device and electronic equipment - Google Patents
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- CN111191427A CN111191427A CN201811269338.1A CN201811269338A CN111191427A CN 111191427 A CN111191427 A CN 111191427A CN 201811269338 A CN201811269338 A CN 201811269338A CN 111191427 A CN111191427 A CN 111191427A
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Abstract
The embodiment of the invention provides a PDF document annotation method, which can acquire the position information of the selected to-be-annotated document content in a PDF document, generate an annotation frame at the position outside the page edge of the PDF document based on the position information, and record the text content input in the annotation frame.
Description
Technical Field
The invention relates to the technical field of PDF document processing, in particular to a PDF document annotation method, a device and electronic equipment.
Background
A PDF (Portable Document Format) Document is a Document frequently used in daily life and office, and when the PDF Document is used, there is often a need to annotate a certain segment of text in the PDF Document, and in the existing annotation manner of the PDF Document, as shown in fig. 1, an annotation frame corresponding to the selected Document content is generated above the Document content of the PDF Document, and the annotation content is added in the annotation frame.
The inventor finds that the prior art at least has the following problems in the process of implementing the invention:
the annotation frame is covered above the document content of the PDF document, and can block the document content, so that the reading of the document content blocked by the annotation frame in the PDF document is influenced.
Disclosure of Invention
The embodiment of the invention aims to provide a PDF document annotation method, which can be used for reading PDF document contents and annotation contents thereof simply and clearly. The specific technical scheme is as follows:
the embodiment of the invention provides a PDF document annotation method, which comprises the following steps:
acquiring the position information of the selected document content to be annotated in the PDF document;
generating an annotation box at a position outside the page edge of the PDF document based on the position information;
in the annotation box, recording the annotation content input in the annotation box.
Further, the generating an annotation box at a position outside the page edge of the PDF document based on the position information includes:
determining a first position outside the edge of a page of the PDF document based on the horizontal position of the document content to be annotated in the position information in the PDF document, wherein the horizontal position of the first position is the same as the horizontal position of the document content to be annotated in the position information in the PDF document;
and generating an annotation box at a first position outside the page edge of the PDF document.
Further, before generating an annotation box at the first position outside the page edge of the PDF document, the method further includes:
judging whether the first position is occupied or not;
generating an annotation box at a position outside a page edge of the PDF document, including:
generating an annotation box at the first location if the first location is unoccupied;
if the first position is occupied, determining that the position outside the page edge of the PDF document is unoccupied and the position which is closest to the first position is a second position;
generating an annotation box at the second location.
Further, the generating an annotation box at a position outside the page edge of the PDF document based on the position information includes:
generating an annotation icon corresponding to the selected document content to be annotated in the PDF document based on the position information;
acquiring horizontal position information of the annotation icon in the PDF document;
determining a third position outside the edge of the page of the PDF document based on the horizontal position information, wherein the horizontal position of the third position is the same as the horizontal position of the annotation icon in the horizontal position information;
generating an annotation box at the third location.
Further, after the generating the comment box at the third location, the method further includes:
and drawing a connecting line between the annotation icon and the annotation frame.
Further, after the obtaining of the position information of the selected document content to be annotated in the PDF document, the method further includes:
and performing difference display on the selected document content to be annotated.
Further, the differentially displaying the selected document content to be annotated includes:
replacing the background color of the selected document content to be annotated; and/or the presence of a gas in the gas,
highlighting the selected document content to be annotated; and/or the presence of a gas in the gas,
and adding a dotted frame around the selected document content to be annotated.
The embodiment of the invention also provides a device for annotating the PDF document, which comprises:
the information acquisition module is used for acquiring the position information of the selected document content to be annotated in the PDF document;
the annotation frame generation module is used for generating an annotation frame at a position outside the page edge of the PDF document based on the position information;
and the annotation content recording module is used for recording the annotation content input in the annotation box.
Further, the comment frame generation module is specifically configured to determine a first position outside a page edge of the PDF document based on a horizontal position of the to-be-annotated document content in the location information in the PDF document, where the horizontal position of the first position is the same as the horizontal position of the to-be-annotated document content in the location information in the PDF document, and generate a comment frame at the first position outside the page edge of the PDF document.
Further, the PDF document annotation device further comprises:
the position judging module is used for judging whether the first position is occupied or not;
the annotation frame generation module is specifically configured to generate an annotation frame at the first position if the first position is unoccupied, determine that a position outside a page edge of the PDF document that is unoccupied and closest to the first position is a second position if the first position is occupied, and generate the annotation frame at the second position.
Further, the comment frame generation module is specifically configured to generate, based on the location information, a comment icon corresponding to the selected document content to be annotated in the PDF document, acquire horizontal location information of the comment icon in the PDF document, determine, based on the horizontal location information, a third location outside a page edge of the PDF document, where a horizontal location of the third location is the same as a horizontal location of the comment icon in the horizontal location information, and generate a comment frame at the third location.
Further, the PDF document annotation device further comprises:
and the connecting line drawing module is used for drawing a connecting line between the annotation icon and the annotation frame.
Further, the PDF document annotation device further comprises:
and the difference display module is used for performing difference display on the selected document content to be annotated.
Further, the difference display module is specifically configured to replace a background color of the selected document content to be annotated; and/or highlighting the selected document content to be annotated; and/or adding a dotted frame around the selected document content to be annotated.
The embodiment of the invention also provides electronic equipment which comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
a memory for storing a computer program;
and the processor is used for realizing the steps of any PDF document annotation method when executing the program stored in the memory.
The implementation of the present invention further provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps of any of the above-mentioned PDF document annotation methods.
Embodiments of the present invention further provide a computer program product containing instructions, which when run on a computer, cause the computer to execute any of the above methods for annotating a PDF document.
The PDF document annotation method provided by the embodiment of the invention can acquire the position information of the selected to-be-annotated document content in the PDF document, generate the annotation frame at the position outside the page edge of the PDF document based on the position information, and record the text content input in the annotation frame.
Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of a PDF document annotation process in the prior art;
fig. 2 is a schematic diagram of a PDF document annotation method according to an embodiment of the present invention;
FIG. 3 is a flowchart of a PDF document annotation method according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a PDF document annotation device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to provide a scheme capable of reading PDF document contents and annotation contents thereof in a concise and clear manner, embodiments of the present invention provide a PDF document annotation method, apparatus and electronic device, and a preferred embodiment of the present invention is described below with reference to the drawings in the specification, it should be understood that the preferred embodiment described herein is only for illustrating and explaining the present invention, and is not used to limit the present invention. And the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In one embodiment of the present invention, there is provided a PDF document annotation method, as shown in fig. 3, comprising the steps of:
s101: and acquiring the position information of the selected document content to be annotated in the PDF document.
In this step, the position information of the document content to be annotated selected by the user in the PDF document may be obtained, where the position information may include the position information of each character or each line in the document content to be annotated, or may also include the position information of the start character or the end character in the document content to be annotated, and preferentially, the average horizontal position of each character or each line in the document content to be annotated may be used as the position information.
Preferably, in order to quickly locate the contents of the document to be annotated, the step may also be performed to distinctively display the selected contents of the document to be annotated, by replacing the background color of the selected contents of the document to be annotated, and/or highlighting the selected contents of the document to be annotated, and/or adding a dashed frame around the selected contents of the document to be annotated.
S102: based on the position information, an annotation box is generated at a position outside the page edge of the PDF document.
In this step, various implementations may be included, for example:
in a first mode, a first position outside the page edge of the PDF document can be determined based on the horizontal position of the PDF document where the document content to be annotated is located in the position information, where the horizontal position of the first position is the same as the horizontal position of the PDF document where the document content to be annotated is located in the position information, and the annotation box is generated at the first position outside the page edge of the PDF document.
Preferably, in the first manner, the horizontal position of the PDF document where the content of the document to be annotated is located may be an average position of horizontal positions of the PDF documents where each character or each line is located in the content of the document to be annotated, that is, a middle position of the PDF document where each character or each line is located in the content of the document to be annotated is used as a horizontal position of the PDF document where the content of the document to be annotated is located, or the horizontal position of the PDF document where the content of the document to be annotated is also a horizontal position of the PDF document where a starting character or an ending character is located in the content of the document to be annotated.
In the first method, after the first position outside the edge of the page of the PDF document is determined, it may be further determined whether the first position is occupied by another annotation frame, if the first position is not occupied, the annotation frame is generated at the first position, if the first position is occupied, the position outside the edge of the page of the PDF document that is not occupied and is closest to the first position is determined as a second position, and the annotation frame is generated at the second position.
According to the first mode, the annotation frame can be generated at the position outside the page edge of the PDF document based on the position information, the first position outside the page edge of the PDF document can be determined based on the horizontal position of the PDF document where the content of the document to be annotated is located, the annotation frame can be generated at the first position, if the first position is occupied, the position which is unoccupied outside the page edge of the PDF document and is closest to the first position can be determined as the second position, and the annotation frame can be generated at the second position.
The second mode is as follows: and based on the horizontal position information, determining a third position outside the edge of the page of the PDF document, wherein the horizontal position of the third position is the same as that of the annotation icon in the horizontal position information, and generating an annotation frame at the third position.
Preferably, in the second mode, based on the position information of the initial character in the content of the document to be annotated, an annotation icon with a height smaller than the line spacing is generated above the initial character, the horizontal position in the PDF document where the annotation icon is located is obtained, a third position outside the edge of the page of the PDF document is determined based on the horizontal position of the annotation icon, and an annotation frame is generated at the third position.
Preferably, after the annotation frame is generated in the second manner, a connecting line may be drawn between the annotation icon and the annotation frame, so that the user can observe and quickly determine the annotation frame corresponding to the annotation icon, and the annotation icon may also be used as an icon for controlling the display or hiding of the annotation frame.
Through the second mode, an annotation icon can be generated based on the position information of the document content to be annotated, an annotation frame is generated through the annotation icon, a connecting line can be drawn between the annotation icon and the annotation frame, or the annotation icon is used as an icon for controlling the display or the hiding of the annotation frame, so that the PDF document is simpler, and a user can conveniently inquire the PDF document or the annotation content.
S103: in the comment box, the comment content entered in the comment box is recorded.
In this step, the comment content entered in the comment box is recorded, and preferably, the time when the comment content was entered in the comment box and/or the user information for entering the comment content and the like can be generated.
After the above steps are completed, the embodiment of the present invention may further perform the following steps:
the PDF document annotation method provided by the embodiment of the invention can acquire the position information of the selected to-be-annotated document content in the PDF document, generate the annotation frame at the position outside the page edge of the PDF document based on the position information, and record the text content input in the annotation frame.
Based on the same inventive concept, according to the PDF document annotation method provided by the embodiment of the present invention, the embodiment of the present invention further provides a PDF document annotation device, as shown in fig. 4, the device includes:
the information acquisition module 201 is configured to acquire position information of the selected document content to be annotated in the PDF document;
an annotation box generation module 202, configured to generate an annotation box at a position outside a page edge of the PDF document based on the position information;
and the annotation content recording module 203 is used for recording the annotation content input in the annotation box.
Further, the comment box generating module 202 is specifically configured to determine a first position outside the page edge of the PDF document based on the horizontal position of the PDF document in the location information, where the horizontal position of the first position is the same as the horizontal position of the PDF document in the location information, and generate the comment box at the first position outside the page edge of the PDF document.
Further, the PDF document annotation device further comprises:
a position determining module 204, configured to determine whether the first position is occupied;
the annotation frame generation module 202 is specifically configured to generate an annotation frame at a first position if the first position is unoccupied, determine, if the first position is occupied, that a position outside a page edge of the PDF document that is unoccupied and closest to the first position is a second position, and generate the annotation frame at the second position;
further, the comment box generation module 202 is specifically configured to generate a comment icon corresponding to the selected document content to be annotated in the PDF document based on the position information, acquire horizontal position information of the comment icon in the PDF document, determine a third position outside an edge of the page of the PDF document based on the horizontal position information, where the horizontal position of the third position is the same as the horizontal position of the comment icon in the horizontal position information, and generate the comment box at the third position.
Further, the PDF document annotation device further comprises:
and a connecting line drawing module 205, configured to draw a connecting line between the annotation icon and the annotation box.
Further, the PDF document annotation device further comprises:
and the difference display module 206 is configured to perform difference display on the selected document content to be annotated.
Further, the difference display module 206 is specifically configured to replace the background color of the selected document content to be annotated; and/or highlighting the selected document content to be annotated; and/or adding a dashed box around the selected document content to be annotated.
An embodiment of the present invention further provides an electronic device, as shown in fig. 5, including a processor 301, a communication interface 302, a memory 303, and a communication bus 304, where the processor 301, the communication interface 302, and the memory 303 complete mutual communication through the communication bus 304,
a memory 303 for storing a computer program;
the processor 301, when executing the program stored in the memory 303, implements the following steps:
acquiring the position information of the selected document content to be annotated in the PDF document;
generating an annotation box at a position outside the page edge of the PDF document based on the position information;
in the comment box, the comment content entered in the comment box is recorded
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component.
In another embodiment of the present invention, a computer-readable storage medium is further provided, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps of any of the above methods for annotating a PDF document.
In yet another embodiment of the present invention, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the PDF document annotation methods of the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus, the electronic device, the computer-readable storage medium, and the computer program product embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (15)
1. A PDF document annotation method is characterized by comprising the following steps:
acquiring the position information of the selected document content to be annotated in the PDF document;
generating an annotation box at a position outside the page edge of the PDF document based on the position information;
in the annotation box, recording the annotation content input in the annotation box.
2. The method according to claim 1, wherein the generating an annotation box at a position outside a page edge of the PDF document based on the position information comprises:
determining a first position outside the edge of a page of the PDF document based on the horizontal position of the document content to be annotated in the position information in the PDF document, wherein the horizontal position of the first position is the same as the horizontal position of the document content to be annotated in the position information in the PDF document;
and generating an annotation box at a first position outside the page edge of the PDF document.
3. The method according to claim 2, before generating an annotation box at the first position outside the page edge of the PDF document, further comprising:
judging whether the first position is occupied or not;
generating an annotation box at a position outside a page edge of the PDF document, including:
generating an annotation box at the first location if the first location is unoccupied;
if the first position is occupied, determining that the position outside the page edge of the PDF document is unoccupied and the position which is closest to the first position is a second position;
generating an annotation box at the second location.
4. The method according to claim 1, wherein the generating an annotation box at a position outside a page edge of the PDF document based on the position information comprises:
generating an annotation icon corresponding to the selected document content to be annotated in the PDF document based on the position information;
acquiring horizontal position information of the annotation icon in the PDF document;
determining a third position outside the edge of the page of the PDF document based on the horizontal position information, wherein the horizontal position of the third position is the same as the horizontal position of the annotation icon in the horizontal position information;
generating an annotation box at the third location.
5. The method of claim 4, after said generating an annotation box at the third location, further comprising:
and drawing a connecting line between the annotation icon and the annotation frame.
6. The method according to claim 1, wherein after the obtaining the position information of the selected document content to be annotated in the PDF document, the method further comprises:
and performing difference display on the selected document content to be annotated.
7. The method according to claim 6, wherein the differentially displaying the selected document content to be annotated comprises:
replacing the background color of the selected document content to be annotated; and/or the presence of a gas in the gas,
highlighting the selected document content to be annotated; and/or the presence of a gas in the gas,
and adding a dotted frame around the selected document content to be annotated.
8. A PDF document annotation apparatus, said apparatus comprising:
the information acquisition module is used for acquiring the position information of the selected document content to be annotated in the PDF document;
the annotation frame generation module is used for generating an annotation frame at a position outside the page edge of the PDF document based on the position information;
and the annotation content recording module is used for recording the annotation content input in the annotation box.
9. The apparatus according to claim 1, wherein the comment box generation module is specifically configured to determine a first position outside a page edge of the PDF document based on a horizontal position of the to-be-annotated document content in the PDF document in the position information, the horizontal position of the first position being the same as the horizontal position of the to-be-annotated document content in the position information in the PDF document, and generate a comment box at the first position outside the page edge of the PDF document.
10. The apparatus of claim 9, further comprising:
the position judging module is used for judging whether the first position is occupied or not;
the annotation frame generation module is specifically configured to generate an annotation frame at the first position if the first position is unoccupied, determine that a position outside a page edge of the PDF document that is unoccupied and closest to the first position is a second position if the first position is occupied, and generate the annotation frame at the second position.
11. The apparatus according to claim 8, wherein the comment box generation module is specifically configured to generate a comment icon corresponding to the selected document content to be annotated in the PDF document based on the position information, acquire horizontal position information of the comment icon in the PDF document, determine a third position outside a page edge of the PDF document based on the horizontal position information, the horizontal position of the third position being the same as the horizontal position of the comment icon in the horizontal position information, and generate a comment box at the third position.
12. The apparatus of claim 11, further comprising:
and the connecting line drawing module is used for drawing a connecting line between the annotation icon and the annotation frame.
13. The apparatus of claim 8, wherein said apparatus further comprises:
and the difference display module is used for performing difference display on the selected document content to be annotated.
14. The method according to claim 13, wherein the differential display module is specifically configured to replace a background color of the selected document content to be annotated; and/or highlighting the selected document content to be annotated; and/or adding a dotted frame around the selected document content to be annotated.
15. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any of claims 1 to 7 when executing a program stored in the memory.
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| CN201811269338.1A CN111191427A (en) | 2018-10-29 | 2018-10-29 | PDF document annotation method and device and electronic equipment |
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| CN201811269338.1A CN111191427A (en) | 2018-10-29 | 2018-10-29 | PDF document annotation method and device and electronic equipment |
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Cited By (1)
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| CN112613283A (en) * | 2020-12-16 | 2021-04-06 | 江苏中威科技软件系统有限公司 | OFD format file stacking, signing and layered viewing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112613283A (en) * | 2020-12-16 | 2021-04-06 | 江苏中威科技软件系统有限公司 | OFD format file stacking, signing and layered viewing method |
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