Abstract: A video recording method includes a first electronic device that records a first shot image in response to a first operation of a user on a preview interface of an application, and records audio corresponding to the first shot image at a first volume. The first electronic device captures a second shot image and audio corresponding to the second shot image in response to a zoom-in operation of the user on the first shot image. The first shot image and the second shot image are consecutive. The first electronic device records the second shot image, and records the audio corresponding to the second shot image at a second volume.

Abstract: Provided is an enterprise user-based method and system for a simplified PDF document electronic signature. The method comprises: an electronic signature system is configured to link up with an enterprise account system, such that an enterprise user automatically logs in to the electronic signature system of a server after logging in to an operating system; a signature style is created and signing is carried out by using a client; and the server performs digital certificate encryption on a signed document summary, and on the basis of the foregoing, a final PDF document is generated on the client. In the solution of the present invention, by linking up an enterprise account and a signature system, an electronic signature process of a PDF document may be greatly simplified, the signing experience of an enterprise user is as close as possible to a written signing experience, and the present invention is simple and efficient.

Abstract: A system for simplifying an electronic signature process on the basis of a PDF document includes a form extension module for creating a standard PDF form field, and extending the standard PDF form field; a client module, used by an initiator to edit a PDF document, and used for writing initiator information in the PDF document, creating a PDF signature field and a PDF form field, designating a signer and writing signer information in the PDF document, designating a signature order and writing signature order information in the PDF document, determining the signature field and the signature order, generating a corresponding document summary and a document summary encrypted on the basis of a digital certificate, generating a final signed document, and verifying the validity of the signature; and a server module, used by the signer and initiator to log in, and for acquiring a signature style, signing a digital certificate, and verifying the validity of the signature.

Abstract: An implementation method of an interlinked document includes requesting a cloud server to acquire interlink ID identification information upon creating a document, and storing, in the document, the interlink ID identification information uniquely corresponding to the document and dispatched by the cloud server, such that the document becomes an interlinked document; storing, on the cloud server, related data information of the interlinked document comprising information of creation, distribution, modification, historical circulation, or permission of the document, and automatically updating the corresponding related data information on the cloud server upon changing of the information of distribution, modification, historical circulation, or permission of the interlinked document; and when a user opens the acquired interlinked document with a client, automatically extracting, by the client, the interlink ID identification information in the interlinked document, and downloading, according to the extracted int

Abstract: A method for erasing electronic handwriting on a clipboard includes: the coordinates of each handwriting point of the electronic handwriting are made to correspond to writing pressure on the clipboard and are stored, and the color depth of each handwriting point is made to be proportional to the writing pressure at the handwriting point; the coordinates of each erase point, on the clipboard, contacted by the eraser are made to correspond to erasing pressure applied to the clipboard by the eraser via the erase points; determining whether the coordinates of the erase points are the same as one of the coordinates in the handwriting points, and if so, then determining the color depth at that erase point according to a first non-negative rule; otherwise, the color depth at the erase point is the background color depth of the clipboard.

Abstract: A method for erasing electronic handwriting on a clipboard includes: the coordinates of each handwriting point of the electronic handwriting are made to correspond to writing pressure on the clipboard and are stored, and the color depth of each handwriting point is made to be proportional to the writing pressure at the handwriting point; the coordinates of each erase point, on the clipboard, contacted by the eraser are made to correspond to erasing pressure applied to the clipboard by the eraser via the erase points; determining whether the coordinates of the erase points are the same as one of the coordinates in the handwriting points, and if so, then determining the color depth at that erase point according to a first non-negative rule; otherwise, the color depth at the erase point is the background color depth of the clipboard.

Abstract: A method for displaying handwriting in a PDF file includes: determining the embedding location of handwriting annotated in a PDF file; correspondingly recording coordinates and pressure data of each stroke point, on the screen, contacted by a stylus, and recording the sequence in which the stylus makes contact with the stroke points; establishing a correlation between pressure data and color, thus establishing a correlation between coordinates of the stroke points and color; displaying the stroke points in their colors, and connecting all of the stroke points according to the sequence in which the stylus makes contact with the stroke points, forming handwriting data, wherein color of the connecting line between consecutive stroke points is displayed according to a function; forming a graphic according to the handwriting data, and combining the handwriting data with the graphic to form an annotation; and embedding the handwriting annotation in the embedding.

Abstract: A method for displaying strokes on a canvas includes creating a canvas on a screen; determining the shape and size of stroke points displayed on the canvas, thus determining the distance between adjacent stroke points; recording an edge frame of a valid region coming into contact with a paintbrush in real time, wherein the valid region is a region on the screen located inside the edge of the canvas; according to the shape and size of the stroke points and the distance between the adjacent stroke points, determining positions of N stroke points on the canvas, so that all the valid regions coming into contact with the paintbrush are completely covered by the N stroke points, where N is an integer not less than 1; and refurbishing the colors of the regions corresponding to the N stroke points on the canvas from a base color to being colored.

Abstract: A method and a device for character input by direction key are disclosed. The method comprises: a mapping relation between characters in input character set and direction key input sequences is constructed, and at least a code table representing the mapping relation is established; the character is inputted by a code table selection key and a direction key, the character input comprises the following steps: a code table as a current code table is determined according to the input of a code table selection key (S10); a prompting message of the current code table is displayed on a display screen (S20); an input character is determined in the current code table according to a direction key input sequence (S30). The used direction key, the confirmation key and the code table selection key are based on an existing key of an existing e-book reader, media player and other electronic devices.

Abstract: A memory access method is disclosed for computing n parallel threads that invoke one original execution module. The method includes determining a number k (n?1?k?1) of k mirror execution modules to be created based on the number of n parallel threads. The method includes determining a mapping policy F between n threads and k+1 execution modules. The k+1 execution modules refer to the original execution module and the k mirror execution modules. The method includes creating the k mirror execution modules and allocating individual private memory to each of the k mirror execution modules. The method includes executing the n parallel threads and making each thread invoke the execution module according to the mapping policy F, with each execution module only accessing its private memory pool. The method includes, after the n parallel threads are finishing executing, deleting the k mirror execution modules and releasing the resources.

Abstract: The present invention relates to a method for improving clarity of a PDF file converted from a paper file.

Abstract: A method for converting a paper file into an electronic file. The method comprises: step 1: scanning a paper file into an electronic picture file; step 2: segmenting a non-blank part contained in the electronic picture file into blocks, so that the non-blank part is segmented into several blocks, wherein a block is one of a row or a column; step 3: segmenting each block into more than one character picture; step 4: determining a position relationship between the blocks and a position relationship between character pictures belonging to the same block; step 5: arranging all character pictures belonging to the same block into a new block according to the position relationship therebetween; and step 6: arranging all the new blocks according to the position relationship between the blocks to obtain an electronic file.

Abstract: The present invention discloses a kind of management method for digital rights, wherein, it comprises the following steps: Step S1: the original electronic file is encrypted on the server-side, and in the meantime, the flow code, the file unique identifier, the authorization locations and verification information is injected; Step S2: obtaining flow codes, file identifier, authorization locations and verification information from the encrypted file, and then conducting integrality verification thereon; step S3: After it is verified that there is no error, the related information is sent to the authorization server; S4: after receiving the injection information about the encrypted file, the authorization server conducting integrality verification firstly, then judging the type of encryption file according to the flow code, and generating an authorization file and sending the same according to the type; Step S5: a decryption tool obtaining the authorization file to conducting integrality verification on the aut

Abstract: The present invention discloses a kind of method for displaying images dynamically after converting gif images to PDF documents. Wherein, it comprises the following steps: Step S1: extracting all frames of the gif images, and then inserting them into the PDF documents; Step S2: controlling the process of displaying each frame by JavaScript, so as to implement the animated display function of the gif images. By the above method, said gif images can be displayed dynamically in PDF files, and the entire contents of the gif images can be displayed like animation, which retain the original expressive ability of the gif images, and make the information transmission capability of the PDF files stronger.

Abstract: The present invention relates to a method for improving clarity of a PDF file converted from a paper file.

Abstract: Disclosed is a method for controlling online previewing of an e-book page, comprising the following steps of: encrypting, on a server end, an e-book based on content, and establishing an index file of a relationship between a page number and an encrypted object flow in the encrypted e-book, the index file comprising a page code, an object name, a starting location of the object in the file and the number of bytes of the object; when an encrypted file reader and the server end perform reading handshake, obtaining a range value of previewed page and the index file in advance; according to a range code of the previewed page and the index file, obtaining a data flow of an encrypted object page by page; performing, by the encrypted file reader, integrity verification on object data, and then decrypting, parsing, and displaying information of the preview page.

Abstract: The present invention discloses a kind of management method for digital rights, wherein, it comprises the following steps: Step S1: the original electronic file is encrypted on the server-side, and in the meantime, the flow code, the file unique identifier, the authorization locations and verification information is injected; Step S2: obtaining flow codes, file identifier, authorization locations and verification information from the encrypted file, and then conducting integrality verification thereon; step S3: After it is verified that there is no error, the related information is sent to the authorization server; S4: after receiving the injection information about the encrypted file, the authorization server conducting integrality verification firstly, then judging the type of encryption file according to the flow code, and generating an authorization file and sending the same according to the type; Step S5: a decryption tool obtaining the authorization file to conducting integrality verification on the aut

Abstract: A method and device for adding a fillable form field into a PDF document static form. The method comprises the following steps: receiving the click of a user on a position in a static form where a form field is required to be added, and judging the size and the shape of the blank space around the clicked position by extending upwards, downwards, leftwards and rightwards from the clicked position; prompting and receiving the selection by the user of the type of the form field which is required to be added; and according to the type of the form field which is selected by the user and the size and the shape of the blank space around the clicked position, adding the form field.

Abstract: A file is received by for online storage and processing. Prior to storing, the file is bifurcated into content data and metadata for separate processing. The content data from uploaded files can be converted from a native format to a common format, and stored in a data store. The metadata from uploaded files can be stored in a database. When a request for the file is received, the file can be reassembled in the native format by converting the data content back to the native format and appending the metadata.

Abstract: A memory access method for parallel computing, which is applied in the case that n (n?2) parallel threads invoke the same original execution module, comprises the following steps: S1) determining the number k of mirror execution modules needed to be created based on the number n of threads, wherein n?1?k?1; S2) determining the mapping policy F between the n threads and the execution modules including the original execution module and the k mirror execution modules; S3) creating k mirror execution modules, and allocating the individual private memory pool; S4) executing the n parallel threads, and making each thread invoke the execution module according to the mapping policy F, wherein each execution module only accesses its private memory pool; S5) deleting the created mirror execution modules after finishing the thread operation, and releasing the resources.