CN113157189B - Method for adding note content by quickly referring to original text, storage medium and electronic equipment - Google Patents
Method for adding note content by quickly referring to original text, storage medium and electronic equipment Download PDFInfo
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- CN113157189B CN113157189B CN202110554133.3A CN202110554133A CN113157189B CN 113157189 B CN113157189 B CN 113157189B CN 202110554133 A CN202110554133 A CN 202110554133A CN 113157189 B CN113157189 B CN 113157189B
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a method for quickly citing original text and adding note content, a storage medium and electronic equipment. The method and the device can realize quick reference of the relevant characters in the article when the note is taken, and improve the efficiency of taking the picture note.
Description
Technical Field
The invention relates to the technical field of intelligent terminals, in particular to a method for quickly citing original text and adding note contents, a storage medium and electronic equipment.
Background
When an intelligent terminal (especially a mobile phone and a tablet) is used to watch an article through an application program, sometimes a note (drawing a line or writing characters and the like) is required to be directly made in the article in a manner similar to a paper book, that is, the note and the characters in the article are synchronous. When the sliding screen scrolls through the article, the notes also scroll along with the text. When notes are taken, the user can feel that the user is troublesome to add note characters whether the user writes the characters through an input method or a brush pen, and some characters are in an article when the user writes the notes, but the user has to write the characters or the characters are obtained through the input method.
Disclosure of Invention
In view of the defects of the prior art, the present invention aims to provide a method, a storage medium and an electronic device for adding note content by quickly referencing an original text.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for adding note content by quickly citing an original text is characterized by comprising the following specific processes:
the note view is divided into a lower article view and an upper note view; the article view can be scrolled up and down and is defined as articlelView, and the size of the article view is defined as the size of the whole view after all articles are logically displayed; the area where the user can see the article content is defined as an article display area, when the up-down sliding screen scrolls, the article view actually scrolls up and down, and the article view can display the article content in the article display area in real time; the size of the note view is the same as that of the article display area, the note view is defined as NoteView, the current rolling position of the ArticeView can be transmitted to the NoteView in real time by calling a callback function of the NoteView in the process of rolling up and down, and the current rolling position of the ArticeView is defined as ArticeView.
When the content of an article is loaded, firstly traversing a character array of the whole article, and calculating the total length after the whole article is logically and completely displayed according to the display area, the layout information, the display width and the height of each character and the width and the height of a picture, and setting the length as the length of the articleView; during the whole traversal process, the fact (top, bottom, left, right) of the display area of each character in the article, namely the fact value, is stored at the same time, and the characters refer to the placeholders of the characters and pictures left after all labels in the character array of the article are removed; an array formed by the fact that the top, bottom, left and right of display areas of all characters form charsRectBuf, and the charsRectBuf is transmitted to NoteView; left and top are respectively the abscissa and ordinate of the upper left corner of the region, and right and bottom are respectively the abscissa and ordinate of the lower right corner of the region;
when a user takes notes, the NoteView displays the contents drawn by the user, records the coordinate values of down, move and up touch messages corresponding to a painting brush each time, and when an up message is received, the painting brush is lifted to finish one note, at this time, the recorded coordinate values of the down, move and up of the painting brush at this time are added with the ArchiveView. When the user picks up the brush again to take a note, another note area Rect value can be obtained;
providing a button for quoting the original text in the NoteView, selecting the button when partial characters in the original text of the article are required to be directly added into a note, and enabling the NoteView to enter a mode for quoting the original text of the article, wherein in the mode, a user can draw a circle or a line to determine the range of the article characters to be selected; after a circle is drawn or a line is drawn, extracting characters in the ArchiveView corresponding to all circled or drawn regions according to the position information of each character in charsrectBuf and displaying the characters on a NoteView canvas, cutting the NoteView to obtain a bitmap according to the actual region displayed by the characters after the characters are displayed, generating a note region at the same time, supplementing the cut region in the canvas with default transparent color, dragging the bitmap obtained by cutting at first, pointing the bitmap by a hand to drag the position at any time, changing the note region, and lifting the finger and then pressing the finger to drag the same after dragging the position; after the area outside the bitmap is clicked by a finger, dragging is prohibited;
when saving notes, clipping note pictures from the bitmap of the NoteView canvas according to all note areas and converting the note pictures into png picture byte streams;
then, the notes are saved in a database, and the structure of each note data item in the database is (primary key, png, top, bottom); the primary key is a default primary key of the database and is used for distinguishing each note data item; png represents the data stream of the note picture; the top and bottom are respectively the top and bottom values of the Rect value of the note area, and the two values are the basis for judging whether the note data is in the note view and loaded when the note is loaded later;
when the notes are loaded, the NoteView inquires all note data items in the database according to the sizes of the ArticleView, offset and the NoteView, and loads and displays the png of all the note data items in the article display area.
Further, each time the text is extracted, the drawn circles and lines are removed and are not used as part of the note content.
Further, before the note picture is cut out, the NoteView completes two optimization processes: 1) merge small note areas: traversing the display areas of all the notes, comparing every two notes to see whether the notes overlap, judging whether to merge if the notes overlap, wherein the merging condition is that the area of the note display area obtained after merging is smaller than the sum of the areas of the two note display areas before merging, if the notes need to be merged, merging the display areas of the two notes to obtain a note area, and discarding the original display areas of the two notes; 2) splitting a large note area: dividing the note display area with the area exceeding the set threshold into a plurality of note display areas according to the set threshold, and discarding the original large note area.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the above-mentioned method.
An electronic device comprising a processor and a memory for storing a computer program; the processor is configured to implement the above method when executing the computer program.
The invention has the beneficial effects that: the method and the device can realize quick reference of the relevant characters in the article when the note is taken, and improve the efficiency of taking the picture note.
Detailed Description
The present invention will be further described below, and it should be noted that the present embodiment is based on the technical solution, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
A method for adding note content by quickly citing an original text comprises the following specific processes:
the note view is divided into a lower article view and an upper note view; the article view can scroll up and down, defined as articlelview, and the size of the article view is defined as the size of the whole view after the article is logically displayed all at once (in implementation, the article view is not displayed all at once, but displays the content which can be seen in the article display area); the area where the user can see the article content is defined as an article display area, the position of the article display area is always unchanged, when the up-down sliding screen scrolls, the article view actually scrolls up and down, and the article view can display the article content in the article display area in real time; the size of a note view is the same as that of an article display area, the note view is defined as NoteView, the current rolling position of ArticeView can be transmitted to NoteView in real time by calling a callback function of NoteView in the process of rolling up and down, the current rolling position of ArticeView is defined as ArticeView. offset, namely the offset of the article display area relative to the article view on the Y axis;
when loading a piece of article content, the articlelview first traverses the character array of the whole article, which is the original data of the article and includes various label information related to typesetting and the like. The total length of the whole article after being logically completely displayed is calculated according to the article display area, the layout information, the display width and height of each character (the display width and height of the character are determined by the font size) and the width and height of the picture, and the total length is set as the length of the articlelView. During the whole traversal process, the fact (the fact value) of the display area of each character in the article is stored at the same time, and the characters refer to the place holders of the characters and pictures left after all labels in the character array of the article are removed. The picture placeholder refers to a picture which is regarded as a special character and only plays a role of placeholder. An array formed by the fact that the characters are displayed in the display area is called charsRectBuf, the absolute position area of each character display is recorded, and the charsRectBuf is transmitted to NoteView. The absolute position area refers to the display area of each text in ArticleView when the ArticleView logically displays the entire article in its entirety. left and top are respectively the upper left abscissa and ordinate of the region, and right and bottom are respectively the lower right abscissa and ordinate of the region.
When a user takes notes, dragging a painting brush to draw lines, write words and the like on a NoteView, the NoteView shows the contents drawn by the user and records coordinate values of down (down), move (up) touch messages corresponding to the painting brush each time, when an up message is received, the painting brush is shown to be lifted, a note is completed, at the moment, the recorded coordinate values of down, move and up of the painting brush at this time are added with the aromatic View. When the user picks up the brush again for note taking, another note area Rect value is obtained.
Providing a button for quoting the original text in the NoteView, selecting the button when partial characters in the original text of the article are required to be directly added into a note, and enabling the NoteView to enter a mode for quoting the original text of the article, wherein in the mode, a user can draw a circle or a line to determine the range of the article characters to be selected; after a circle is drawn or a line is drawn, extracting characters in the ArchiveView corresponding to all circled or drawn regions according to the position information of each character in charsrectBuf and displaying the characters on a NoteView canvas, cutting the NoteView after the characters are displayed according to the actual region of the character display to obtain a bitmap, and simultaneously generating a note region (determined by the region of the bitmap on the NoteView canvas and the ArchiveView. offset), supplementing the cut region in the canvas with default transparent color, dragging the bitmap to the position at first, changing the note region along with the position of the bitmap, and dragging the finger to drag the position again after the position is dragged; and after the finger clicks the area outside the bitmap, the re-dragging is forbidden. After the characters are extracted each time, the drawn circles and lines are removed and are not used as part of the note content.
Before the notes are saved, the NoteView completes two optimization processes: 1) merge small note areas: traversing the display areas of all the notes, comparing every two notes to see whether the notes overlap, judging whether the notes need to be combined if the notes overlap, wherein the combination condition is that the area of the note display area obtained after combination is smaller than the sum of the areas of the two note display areas before combination, if the notes need to be combined, combining the display areas of the two notes to obtain a note area, and discarding the original display areas of the two notes, wherein the combined note area is a minimum rectangle capable of containing all coordinate values of down, move and up messages contained in the corresponding two brush pen operations; 2) dividing a large note area; the display area of one note is too large to influence the reading and writing speed of a note picture in a database and the loading speed of a UI thread, the embodiment divides the note display area with the area exceeding the set threshold into a plurality of note display areas according to the set threshold (the dividing mode can be that the large note area is divided by the set threshold to determine the number of the division, if the division is not complete, the integer is added by 1. other methods can also be adopted, the area of each divided note display area does not exceed the set threshold), and the original large note area is discarded.
When the notes are saved, the note pictures are cut out from the bitmap of the NoteView canvas according to all the note areas and converted into png picture byte streams.
And then saving the notes to a database, wherein the structure of each note data item in the database is (primary key, png, top, bottom). The primary key is a default primary key of the database and is used for distinguishing each note data item; png represents the data stream of the note picture; the top and bottom are respectively the top and bottom values of the Rect value of the note area, and the two values are the basis for judging whether the note data is in the note view and loaded when the note is loaded later.
When the notes are loaded, the NoteView queries each note data item in the database according to the size of the articleView, offset and the NoteView, and loads and displays the png of all the note data items in the article display area (namely in the note view).
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (5)
1. A method for adding note content by quickly citing an original text is characterized by comprising the following specific processes:
the overall note view is divided into a lower article view and an upper note view; the article view can be scrolled up and down and is defined as articlelView, and the size of the article view is defined as the size of the whole view after all articles are logically displayed; the area where the user can see the article content is defined as an article display area, when the up-down sliding screen scrolls, the article view actually scrolls up and down, and the article view can display the article content in the article display area in real time; the size of the note view is the same as that of the article display area, the note view is defined as NoteView, the current rolling position of the ArticeView can be transmitted to the NoteView in real time by calling a callback function of the NoteView in the process of rolling up and down, and the current rolling position of the ArticeView is defined as ArticeView.
When the content of an article is loaded, firstly traversing a character array of the whole article, calculating the total length after the whole article is logically and completely displayed according to the display area, the typesetting information, the display width and the height of each character and the width and the height of a picture, and setting the length as the length of the articleView; during the whole traversal process, the fact (top, bottom, left, right) of the display area of each content in the article, namely the fact value, is stored at the same time, and the content refers to the placeholder of the characters and pictures left after all labels in the character array of the article are removed; an array formed by the fact that the top, bottom, left and right of display areas of all the contents are named charsrectBuf, and the charsrectBuf is transmitted to NoteView; left and top are respectively the abscissa and ordinate of the upper left corner of the region, and right and bottom are respectively the abscissa and ordinate of the lower right corner of the region;
when a user takes notes, the NoteView displays the contents drawn by the user and records the coordinate values of down, move and up touch messages corresponding to brushes each time, wherein the down, move and up respectively represent putting down, moving and picking up; when the up message is received, the painting brush is lifted, a note is completed, and then the recorded coordinate values of the down, move and up of the painting brush at this time are added with the articleview. When the user picks up the brush again to take a note, another note area Rect value can be obtained;
providing a button for quoting the original text in the NoteView, selecting the button when partial content in the original text of the article needs to be directly added into a note, and enabling the NoteView to enter a mode for quoting the original text of the article, wherein in the mode, a user can draw a circle or a line to determine the range of the content of the article to be selected; after a circle is drawn or a line is drawn, extracting the content in the ArchiveView corresponding to all circled or drawn regions according to the position information of each character in charsrectBuf and displaying the content on a NoteView canvas, cutting the NoteView to obtain a bitmap according to the actual region displayed by the content after the content is displayed, generating a note region at the same time, supplementing the cut region in the canvas with default transparent color, dragging the bitmap obtained by cutting at first, pointing the bitmap by a hand to drag the position at any time, changing the note region, and after dragging a position, lifting the finger and then pressing the finger to continue dragging; after the area outside the bitmap is clicked by a finger, dragging is prohibited;
when saving notes, clipping note pictures from the bitmap of the NoteView canvas according to all note areas and converting the note pictures into png picture byte streams;
then, the notes are saved in a database, and the structure of each note data item in the database is (primary key, png, top, bottom); the primary key is a default primary key of the database and is used for distinguishing each note data item; png represents the data stream of the note picture; the top and bottom are respectively the top and bottom values of the Rect value of the note area, and the two values are the basis for judging whether the note data is in the note view and loaded when the note is loaded later;
when the notes are loaded, the NoteView inquires all note data items in the database according to the sizes of the ArticleView, offset and the NoteView, and loads and displays the png of all the note data items in the article display area.
2. The method of claim 1, wherein each time the content is extracted, the circles and lines drawn are removed and not included as part of the note content.
3. The method of claim 1, wherein before clipping out the note picture, the NoteView performs a two-way optimization procedure: 1) merge small note areas: traversing the display areas of all the notes, comparing every two notes to see whether the notes overlap, judging whether to merge if the notes overlap, wherein the merging condition is that the area of the note display area obtained after merging is smaller than the sum of the areas of the two note display areas before merging, if the notes need to be merged, merging the display areas of the two notes to obtain a note area, and discarding the original display areas of the two notes; 2) splitting a large note area: dividing the note display area with the area exceeding the set threshold into a plurality of note display areas according to the set threshold, and discarding the original large note area.
4. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 3.
5. An electronic device comprising a processor and a memory, the memory for storing a computer program; the processor is adapted to carry out the method of any one of claims 1 to 3 when executing the computer program.
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| CN113673502B (en) * | 2021-08-23 | 2023-09-26 | 读书郎教育科技有限公司 | Word extracting method and device based on android system webview component |
| CN114690990B (en) * | 2022-04-15 | 2024-03-29 | 北京百度网讯科技有限公司 | Note generation method and device, equipment, medium and product |
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