CN110427153B - Writing content display method, device, equipment and medium - Google Patents
Writing content display method, device, equipment and medium Download PDFInfo
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- CN110427153B CN110427153B CN201910697437.8A CN201910697437A CN110427153B CN 110427153 B CN110427153 B CN 110427153B CN 201910697437 A CN201910697437 A CN 201910697437A CN 110427153 B CN110427153 B CN 110427153B
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- 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
- G06F3/04883—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 for inputting data by handwriting, e.g. gesture or text
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Abstract
The invention discloses a method, a device, equipment and a medium for displaying written contents, and relates to the technical field of interactive intelligent panels. The writing content display method comprises the following steps: receiving handwriting movement operation, and displaying a first preview frame and a second preview frame, wherein the second preview frame is used for displaying preview information of the current display content of the screen; updating the writing content displayed on the screen according to the handwriting movement operation; and updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated. According to the method and the device, the preview information of the currently displayed writing content of the screen is displayed through the second preview frame, so that a user can determine the relative position of the currently displayed writing content of the screen in the writing area through the position of the second preview frame in the first preview frame, and the problem of low searching efficiency caused by the fact that the user does not know the position to be searched for the writing content during roaming and needs to continuously try to roam in the prior art is solved.
Description
Technical Field
The embodiment of the invention relates to the technical field of interactive intelligent tablets, in particular to a method, a device, equipment and a medium for displaying writing contents.
Background
Along with the rapid development of the interactive intelligent tablet technology, application software realized based on intelligent interactive equipment is more and more popular, and great convenience is brought to life, study and work of people.
In practical application, demonstration software such as a whiteboard and the like is taken as common application software in the intelligent interaction device, and writing contents input by a user can be displayed in a demonstration mode, such as writing handwriting input by the user through the whiteboard software and the like. The writing area of the whiteboard software is theoretically infinite, that is, the writing area of the display page on the whiteboard software is infinite, and a user can write infinite content on the display page of the whiteboard software. However, the area of the hardware screen for displaying the written content on the whiteboard software interface is fixed, that is, the display area of the screen of the intelligent interactive device is fixed. In particular implementations, the writing area of the whiteboard software is typically of a default size. When the writing area occupied by the writing content exceeds the default size, the writing area is enlarged to meet the writing requirements of the user.
When the writing area occupied by the writing content input by the user in the whiteboard exceeds the display area of the screen, that is, when the screen cannot display the writing content of the whole display page of the whiteboard software, the user can move the display content on the writing page (also called as a writing area) of the whiteboard software through handwriting moving operation, such as 'roaming' operation, that is, move to different positions on the writing page to view different writing contents on the writing page. For example, the operation mode of roaming in the whiteboard software is usually triggered manually, and a specified area of the writing area is reached by moving up, down, left and right, so as to display the specified writing content in the specified area. When searching for a specific written content, the user needs to continuously try to know the direction of the content he wants to search for, and then try to move the written content to reach the area where he wants the content. If the user does not know the position of the currently displayed writing content on the screen in the whole writing area, the user continuously tries to search the writing content wanted by the user by roaming the writing area, and the efficiency of searching the content by the user is influenced.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus, a device, and a medium for displaying written content, so as to solve the problem of low search efficiency caused by the fact that a user does not know where the written content currently displayed on a screen needs to continuously try to roam during roaming in the prior art.
In a first aspect, an embodiment of the present invention provides a method for displaying written content, including: receiving handwriting movement operation, and displaying a first preview frame and a second preview frame, wherein the first preview frame is used for displaying preview information determined according to the writing content of a writing area, the second preview frame is used for displaying the preview information of the writing content displayed on a screen, and the second preview frame is displayed in the first preview frame; updating the writing content displayed on the screen according to the handwriting moving operation; and updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
Optionally, updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated, including: determining edge coordinate information of the displayed written content after the screen is updated; and updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
Optionally, the determining edge coordinate information of the written content displayed after the screen is updated includes: acquiring first edge position information and movement information corresponding to the handwriting movement operation according to a preset time interval, wherein the first edge position information represents the edge position of the written content before the screen is updated; and determining edge coordinate information of the writing content displayed after the screen is updated based on the movement information and the first edge position information.
Optionally, the displaying the first preview frame and the second preview frame includes: displaying a first preview frame on a screen; determining area proportion information based on distance information between the edge handwriting position of the screen and the edge handwriting position of the writing area; and generating a second preview frame according to the area proportion information, and displaying the second preview frame in the first preview frame.
Optionally, updating the writing content displayed on the screen according to the handwriting moving operation includes: recording movement information corresponding to the handwriting movement operation, wherein the movement information comprises movement direction information and movement distance information; and updating the writing content displayed on the screen based on the moving direction information and the moving distance information.
Optionally, the second preview frame is a transparent display frame in the first preview frame, the color of the handwriting displayed in the second preview frame is a first display color, the color of the handwriting displayed in the non-second preview frame of the first preview frame is a second display color, and the first display color is different from the second display color.
Optionally, the written content display method further includes: and when the handwriting movement operation is finished, canceling the display of the first preview frame and the second preview frame.
In a second aspect, an embodiment of the present invention further provides a written content display apparatus, including:
the handwriting movement display device comprises a receiving and displaying module, a first preview frame and a second preview frame, wherein the receiving and displaying module is used for receiving handwriting movement operation and displaying the first preview frame and the second preview frame, the first preview frame is used for displaying preview information determined according to writing content of a writing area, the second preview frame is used for displaying preview information of the writing content displayed on a screen, and the second preview frame is displayed in the first preview frame;
the content updating module is used for updating the writing content displayed on the screen according to the handwriting moving operation;
and the display updating module is used for updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
Optionally, the display update module includes:
the edge coordinate information determining submodule is used for determining the edge coordinate information of the writing content displayed after the screen is updated;
and the display position updating submodule is used for updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
In a third aspect, an embodiment of the present invention further provides a display device, including: the touch screen comprises a memory, a display screen with a touch function and one or more processors; the memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the written content display method according to the first aspect.
In a fourth aspect, embodiments of the present invention also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are used to perform the written content display method according to the first aspect.
The embodiment of the invention displays the first preview frame and the second preview frame while receiving the handwriting movement operation, so as to display the preview information determined according to the writing content of the writing area through the first preview frame, and display the preview information of the writing content displayed on the screen through the second preview frame, so that a user can determine the relative position of the writing content currently displayed on the screen in the writing area through the position of the second preview frame in the first preview frame, update the writing content displayed on the screen according to the received handwriting movement operation, and then update the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated, thereby realizing the real-time update of the display position of the second preview frame during the handwriting movement operation, so that the user can quickly determine the position of the writing content currently displayed on the screen in the writing area during the handwriting movement operation, the method and the device have the advantages that the user can conveniently and quickly find the written content needing to be found, the finding efficiency is improved, and the problem of low finding efficiency caused by the fact that the user does not know the specific position of the written content currently displayed on the screen in the whole page continuously and tries to roam in the roaming period in the prior art is solved.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for displaying written content according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a writing area of an interactive smart tablet in accordance with an example of the present invention;
FIG. 3 is a diagram showing written content, a first preview box, and a second preview box on a screen in one example of the invention;
FIG. 4 is a schematic illustration of a screen update display in one example of the invention;
FIG. 5 is a flow chart of the steps of a method of displaying written content in an alternative embodiment of the invention;
FIG. 6 is a block diagram showing a structure of a writing content display apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display device in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a flowchart illustrating steps of a method for displaying written content according to an embodiment of the present invention, where the embodiment is applicable to a display situation during a moving process of written content, and the method may be implemented by a written content display device, and the device may be implemented by software and/or hardware and integrated into an apparatus for implementing the method. Specifically, as shown in fig. 1, the method for displaying the written content specifically includes the following steps:
and step 110, receiving handwriting movement operation, and displaying a first preview frame and a second preview frame.
Specifically, after the area of the writing area occupied by the writing content exceeds the display area of the screen, as in the case where part of the writing content in the writing area is in the screen display area, the user may move the writing content displayed on the screen by inputting a writing movement operation, so that the writing content outside the screen may be moved into the screen for display. Of course, the user may also move the writing content displayed in the screen out of the screen through the handwriting movement operation, which is not specifically limited in this embodiment, where the handwriting movement operation may be used to move the writing content displayed on the screen, such as the writing content displayed on the screen by the whiteboard software.
Specifically, the intelligent interactive device or software such as a whiteboard in the intelligent interactive device may operate writing contents displayed on the mobile screen according to the writing movement input by the user. The handwriting movement operation may be a user operation that meets a preset handwriting movement operation condition, for example, when the handwriting movement operation is triggered by a user gesture, the handwriting movement operation may be an operation in which two or three fingers of a user press and drag a touch screen of the intelligent interaction device, and the like, which is not limited in this embodiment.
The first preview frame can be used for displaying preview information determined according to the writing content of the writing area; the second preview frame may be used to display preview information of written contents displayed on the screen, such as preview information of displayed contents in the entire screen, and the second preview frame is displayed in the first preview frame.
It should be noted that the writing area may refer to a page area where the writing content currently displayed by the intelligent interactive device is located, for example, when the writing content currently displayed by the intelligent interactive device is the content written on the whiteboard software, the writing area may be a page written on the whiteboard software.
Referring to fig. 2, fig. 2 is a schematic diagram of a writing area of an interactive smart tablet, where the writing area 200 of the interactive smart tablet may represent a writing area of whiteboard software; in the figure 210, a touch screen interface of the interactive smart tablet is shown, and a user performs handwriting writing on the touch screen interface in a touch writing manner to trigger the interactive smart tablet to display the user handwriting on the touch screen interface, that is, to display writing content input by the user on a display area on a screen. The writing area 200 of the whiteboard software of the interactive smart tablet typically has a default size, and beyond this default size, the writing area is enlarged to meet the writing requirements of the user. The default size may be as large as or larger than the display area of the touch screen interface, e.g., the writing area 200 shown in FIG. 2 may range to 9 touch screen interfaces 210 in size.
In the actual processing, when a user wants to move the writing content displayed on the screen, the handwriting moving operation can be submitted to the intelligent interaction device, so that the intelligent interaction device can receive the handwriting moving operation, the intelligent interaction device is triggered to start the roaming function according to the handwriting moving operation, and the intelligent interaction device can be triggered to simultaneously display the first preview frame and the second preview frame. Specifically, when receiving a handwriting movement operation submitted by a user, the intelligent interaction device may start a roaming function based on the handwriting movement operation, so that writing content displayed on a display interface of a mobile screen may be subsequently operated according to the handwriting movement input by the user, and may generate two frames for the started roaming function, where one frame is used as a first preview frame and the other frame is used as a second preview frame, and then the generated first preview frame and the second preview frame may be rendered, so that the first preview frame and the second preview frame are displayed on the display interface of the screen while receiving the handwriting movement operation, and the second preview frame is displayed in the first preview frame. For example, when a user presses a touch screen of the intelligent interaction device with three fingers to start moving, the intelligent interaction device may be triggered to generate a handwriting movement operation start instruction, so that the intelligent interaction device may start a handwriting movement function based on the handwriting movement operation start instruction to generate a corresponding movement instruction in a handwriting movement operation process input by the user, and then move the writing content displayed on the screen according to the movement direction and the movement distance of the handwriting movement operation according to the movement information carried by the movement instruction, thereby achieving the purpose of updating the writing content displayed on the screen according to the handwriting movement operation; meanwhile, the intelligent interaction equipment can be triggered to display the first preview frame and the second preview frame on the display interface, so that preview information of the writing content in the writing area can be displayed through the first preview frame, and preview information of the writing content currently displayed on a screen can be displayed through the second preview frame. The moving information may include moving direction information and moving distance information, where the moving direction information may represent a moving direction of the handwriting moving operation, and the moving distance information may represent a moving distance of the handwriting moving operation. The second preview frame may be a sub-frame in the first preview frame, for example, the relationship between the first preview frame and the second preview frame may be set as a parent-child relationship to set the second preview frame as a sub-frame of the first preview frame. The first preview frame may display preview information of all written contents in the writing area, and the second preview frame displayed in the first preview frame includes not only one display area in the first preview frame but also preview information in the display area. Note that the preview information in the display area may represent preview information of the display content of the entire screen.
In an alternative embodiment, the second preview frame may be a transparent display frame in the first preview frame to facilitate the user in viewing the relative position of the preview information displayed in the second preview frame in the preview information displayed in the first preview frame. For example, in the case where one red frame in the first preview frame is taken as the second preview frame, the red frame may be set to be transparent, and may be set at an upper layer of the first preview frame so that the content of which the red frame position is transparent is actually the content in the first preview frame as the preview information displayed in the second preview frame.
Further, in the embodiment of the present invention, a display area in the first preview frame may be divided into a display area of the second preview frame and a display area of the non-second preview frame; the display area of the second preview frame can be used for displaying preview information of the written content displayed on the screen; and the display area other than the second preview frame may be used to display preview information of written contents of the writing area other than the written contents displayed on the screen, that is, preview information of written contents of the entire writing area other than the written contents currently displayed on the screen. For example, in the case where the second preview box displays the handwriting content currently displayed on the screen, the handwriting content in the face of the writing area other than the second preview box and outside the screen display area may be displayed to enable the preview information of the entire writing content of the writing area to be displayed in the first preview box.
In a specific implementation, the color of the handwriting displayed in the second preview frame may be different from the color of the handwriting displayed in the non-second preview frame, so as to highlight the relative position of the preview information displayed in the second preview frame in the first preview frame, thereby facilitating a user to determine whether the preview information displayed in the second preview frame is the preview information of the specified writing content that the user needs to search, and thus improving the efficiency of searching the specified content.
Optionally, the color of the handwriting displayed in the second preview frame may be a first display color, the color of the handwriting displayed in the non-second preview frame of the first preview frame is a second display color, and the first display color is different from the second display color. For example, in the case of using red as the first display color and black as the second display color, the handwriting color displayed by the intelligent interactive device in the second preview frame may be red, and the handwriting color displayed in the first preview frame but not in the second preview frame may be black, so that the user can determine the relative position of the currently screen-displayed writing content in the writing area, and thus the user can conveniently and quickly find the specific writing content that the user needs to find.
And step 120, updating the writing content displayed on the screen according to the handwriting moving operation.
In this embodiment, the handwriting movement operation may trigger the intelligent interaction device or software in the intelligent interaction device to update the writing content displayed on the screen. Specifically, in the process of inputting handwriting movement operation by a user, the intelligent interaction device or software in the intelligent interaction device may receive the handwriting movement operation, and may operate the display content of the mobile screen based on the handwriting movement operation, so as to update the writing content displayed on the screen. The display content of the screen may include all content displayed on the screen, such as writing content displayed on the screen in a writing area. The writing content may be generated by the intelligent interaction device or software such as a whiteboard according to the input operation submitted by the user, for example, the writing content may be writing handwriting corresponding to the writing operation submitted by the user on the touch screen. As an example of the present invention, as shown in fig. 3, in the case where the writing contents input by the user in the whiteboard software include "EDF" and "ABC", the writing contents displayed on the screen may be "BC".
And step 130, updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
Specifically, after the writing content displayed on the screen is updated, the preview information displayed in the second preview frame may be updated based on the writing content displayed after the screen is updated, and the display position of the second preview frame may be updated based on the position of the writing content displayed after the screen is updated in the writing area, that is, the display position of the second preview frame in the first preview frame is updated, so that the user may determine the position of the writing content currently displayed on the screen in the writing area based on the display position of the second preview frame in the first preview frame, so that the user may determine the position of the writing content currently displayed on the screen in the writing area quickly, the user may find the writing content required to be found by the user quickly, and the finding efficiency is improved.
For example, in connection with the above example, before the writing content displayed on the screen is updated according to the handwriting movement operation, the displayed writing content on the screen is "AB", as shown in fig. 3, that is, when the user inputs the handwriting movement operation, the preview information displayed in the second preview box is the preview information of the writing content "AB", and the preview information displayed in the first preview box is the preview information of the entire writing content of the current writing page of the whiteboard software, that is, the preview information of the entire writing contents ("ABC" and "DEF") in the writing area; after a user inputs a handwriting movement operation of moving right, the intelligent interaction device can move the writing content of the current writing page of the whiteboard software right according to the handwriting movement operation, so as to achieve the purpose of updating the writing content displayed on the screen according to the handwriting movement operation, so that the writing content displayed on the screen is updated to the writing content required to be displayed after the handwriting movement operation is executed, as shown in fig. 4, the writing content displayed after the screen is updated is writing content "ABC", and the display position of the second preview frame in the first preview frame can be updated according to the writing content "ABC" displayed after the screen is updated, so that the preview information of the writing content "ABC" displayed after the screen is updated can be completely displayed in the second preview frame, that is, after the display position of the second preview frame in the first preview frame is updated, the second preview frame can display the preview information of the writing content "ABC" displayed after the screen is updated, therefore, the user can conveniently and quickly find the writing content needing to be searched according to the preview information displayed in the second preview frame and the relative display position of the second preview frame in the first preview frame, and the searching efficiency is improved.
In the actual processing, the display position of the second preview frame in the first preview frame may be determined based on the coordinate position of the most marginal writing of the written content displayed after the screen is updated in the writing area, so as to move the second preview frame in the first preview frame according to the display position, that is, the position of the second preview frame is updated according to the display position determined after the updating, so that the user may determine the position of the written content currently displayed on the screen in the writing area based on the position of the second preview frame.
Further, in this embodiment, updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen update may specifically include: determining edge coordinate information of the displayed written content after the screen is updated; and updating the display position of the second preview frame in the first preview frame according to the edge coordinate information. The edge coordinate information may represent a position of a most marginal handwriting of the writing content displayed after the screen is updated, and specifically may include coordinate attribute information of the most marginal handwriting of the writing content displayed after the screen is updated, for example, the coordinate attribute information may include coordinate attribute information Z of the writing content handwriting displayed at the leftmost side of the screen, coordinate attribute information Y of the writing content handwriting displayed at the rightmost side of the screen, coordinate attribute information S of the writing content handwriting displayed at the topmost side of the screen, and coordinate attribute information X of the writing content handwriting displayed at the bottommost side of the screen.
On the basis of the above embodiment, the embodiment of the present invention may determine a ratio information by calculating a distance between the edge-most handwriting displayed in the current screen and the edge-most handwriting in the entire page, so as to determine the display area of the second preview frame in the first preview frame based on the ratio information. Optionally, the displaying the first preview frame and the second preview frame may specifically include: displaying a first preview frame on a screen; determining area proportion information based on distance information between the edge handwriting position of the screen and the edge handwriting position of the writing area; and determining a second preview frame according to the area proportion information, and displaying the second preview frame in the first preview frame. The area ratio information may be used to determine a display area of the second preview box.
Referring to fig. 5, a flowchart illustrating steps of a method for displaying written content according to an alternative embodiment of the present invention is shown, which may specifically include the following steps:
and step 510, receiving handwriting movement operation, and displaying a first preview frame on a screen.
The first preview frame is used for displaying preview information determined according to the writing content of the writing area.
As an example of the present invention, when a user gesture triggers a handwriting movement operation, the user gesture may be treated as a handwriting movement operation to display a first preview box having an area 1/10 of about the screen area at the lower right of the whiteboard screen based on the handwriting movement operation, as shown in FIG. 3. The content in the first preview frame is preview information of all written contents in the writing area, so that a user can perceive the written contents and the specific position of the written contents which the user wants to find. Of course, the first preview frame may also be displayed at other positions of the whiteboard screen, for example, the first preview frame may be displayed at a screen position such as a lower left position, an upper left position, and the like, which is not particularly limited in this example; the display area of the first preview frame may be set at other ratios of the screen, for example, the display area of the first preview frame may be set at a ratio of 1/8, 1/6, and the like of the screen area, which is not particularly limited in this example.
Step 520, determining area ratio information based on distance information between the edge writing position of the screen and the edge writing position of the writing area.
In this embodiment, the edge writing position of the screen may refer to a position of the writing displayed at the edge in the screen; the edge writing position of the writing area may refer to a position of the edge-most writing in the writing area. The area ratio information may represent a ratio of an area of the second preview frame to an area of the first preview frame, and may be specifically used to determine a display area of the second preview frame. The second preview box may be used to display preview information of the written contents displayed on the screen.
Specifically, in this embodiment, a ratio may be obtained by calculating a distance length between the edge-most trace displayed in the current screen and the edge-most trace in the entire writing area, and the ratio is used as the area ratio information, so that the display area of the second preview frame is determined by using the ratio, that is, the area ratio information is determined based on the distance information between the edge trace position of the screen and the edge trace position of the writing area.
Step 530, generating a second preview frame according to the area ratio information, and displaying the second preview frame in the first preview frame.
Specifically, in this embodiment, after the area ratio information corresponding to the second preview frame is determined, the display area of the second preview frame may be determined according to the area ratio information and the display area of the first preview frame, so as to generate a box according to the determined display area of the second preview frame, and the box may be set to be transparent to serve as the second preview frame, and then the second preview frame may be set on the upper layer of the first preview frame, so that the second preview frame is displayed in the second preview frame, and further, the target preview information corresponding to the currently displayed writing content on the screen may be displayed through the second preview frame.
And 540, updating the writing content displayed on the screen according to the handwriting moving operation.
In a specific implementation, in a process that a user starts roaming through a gesture, writing contents displayed on a screen change through roaming, that is, in a process that the user inputs handwriting movement operation, whiteboard software in the intelligent interaction device/intelligent interaction device can update the writing contents displayed on the screen according to the direction and distance of the handwriting movement operation movement, so that the updated writing contents are displayed on the screen, and a roaming function is realized.
In an optional implementation manner of the present invention, updating the writing content displayed on the screen according to the handwriting movement operation may specifically include: recording movement information corresponding to the handwriting movement operation, wherein the movement information comprises movement direction information and movement distance information; and updating the writing content displayed on the screen based on the moving direction information and the moving distance information. The movement direction information may indicate a movement direction, such as an upward direction when the handwriting movement operation is an upward movement operation; the movement distance information may represent a movement distance, such as in the case of 10 cm, the movement distance may be determined to be 10 cm, and the like.
As an example of the present invention, when performing a handwriting movement operation, a system in the intelligent interactive device may record a movement distance and a movement direction of the handwriting movement operation, for example, the movement direction may be represented by positive and negative values of an abscissa X and an ordinate Y in a two-dimensional coordinate system, so as to use the movement direction recorded at the same time as movement direction information corresponding to the handwriting movement operation, and use the recorded movement distance as movement distance information corresponding to the handwriting movement operation, and then may update the writing content displayed on the screen based on the movement distance information and the movement direction information, that is, move the writing content displayed on the screen according to the movement direction and the movement distance, so as to update the writing content displayed on the screen, and further may update the preview information displayed in the second frame based on the writing content displayed after the screen is updated.
And step 550, determining edge coordinate information of the written content displayed after the screen is updated.
In the actual processing, after the writing content displayed on the screen is updated, the coordinate attribute information of the edge-most handwriting displayed after the screen is updated is determined as the edge coordinate information, so as to determine the specific position of the writing content displayed after the screen is updated in the writing area according to the edge coordinate information, and then the display position of the second preview frame in the first preview frame can be determined based on the specific position of the writing content displayed after the writing content displayed on the screen is updated in the writing area. The display position of the second preview frame in the first preview frame can be used for representing the specific position of the writing content displayed after the screen is updated in the writing area.
In an optional embodiment of the present invention, the determining edge coordinate information of the writing contents displayed after the screen update includes: acquiring first edge position information and movement information corresponding to the handwriting movement operation according to a preset time interval, wherein the first edge position information can represent the edge position of the writing content displayed before the screen is updated; and determining edge coordinate information of the writing content displayed after the screen is updated based on the movement information and the first edge position information.
Specifically, in the roaming process, the writing content displayed on the screen can be continuously changed along with the handwriting moving operation, so that the writing content displayed on the edge of the screen is continuously changed and relatively changed by one pixel. When the continuous pixels change, that is, the writing content displayed on the edge of the screen changes continuously, a calculation may be triggered according to a preset time interval, for example, 20 milliseconds, that is, edge position information of the writing content displayed before the screen is updated and movement information corresponding to the handwriting movement operation are obtained according to the preset time interval. The edge position information of the writing content displayed before the screen is updated can represent the position of the edge handwriting of the writing content displayed on the screen before the updating is performed according to the handwriting moving operation. The moving direction and the moving distance of the handwriting moving operation can be determined based on the obtained moving information, calculation can be carried out according to the moving direction and the moving distance of the handwriting moving operation and the edge position information of the displayed writing content before the screen is updated, and the edge coordinate information of the displayed writing content after the screen is updated is determined based on the calculation result, so that the speed of displaying the written content on the screen of the intelligent interaction device can be prevented from being influenced by calculation of too fast movement when the screen display content is continuously moved, namely the display speed of a User Interface (UI) is prevented from being influenced by calculation of too fast movement, and the display effect of the UI is ensured. The edge coordinate information of the writing content displayed after the screen update may represent a position of a most-edge handwriting of the writing content displayed after the screen update, for example, may be a coordinate position of the most-edge handwriting of the writing content displayed after the handwriting moving operation is performed.
And step 560, updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
In this embodiment, after determining edge coordinate information of writing content displayed after the screen is updated, a display area position occupied by the writing content displayed on the current screen may be determined based on the edge coordinate information, and then a percentage of a total area occupied by the display area of the screen may be determined based on the display area position in combination with a display area occupied by all writing content in the writing area, so that the percentage may be determined as a percentage of a total area occupied by the second preview frame in the first preview frame, so as to determine a display area of the second preview frame based on the percentage; and the position of the most marginal handwriting displayed on the screen in the writing area can be determined based on the edge coordinate information of the writing content displayed after the screen is updated, the specific position of the second preview frame in the first preview frame can be determined based on the position of the most marginal handwriting in the writing area, and then the display position of the second preview frame can be updated according to the determined specific position and the display area of the second preview frame, so that the display position of the second preview frame in the first preview frame can be updated in the roaming process, and therefore a user can determine the specific position of the writing content currently displayed on the screen in the writing area in the handwriting moving operation process through the display position of the second preview frame in the first preview frame, the user can conveniently search the content required to be searched, the searching efficiency is improved, and the problem that the user in the prior art needs to continuously try to search the specific position of the writing content currently displayed on the screen in the whole page when the user does not know in the roaming process is solved And the search efficiency caused by trial roaming is low.
Further, when the handwriting movement operation is finished, the display of the first preview frame and the second preview frame may be cancelled, so as to avoid affecting the next writing operation of the user and ensure the writing experience of the user, and optionally, the writing content display method provided by the embodiment of the present invention may further include the following steps:
and step 570, canceling the display of the first preview frame and the second preview frame when the handwriting moving operation is finished.
In the embodiment of the invention, when handwriting movement operation is finished, for example, when the handwriting movement operation is not received within a certain time, the handwriting movement operation can be determined to be finished, and then the handwriting movement operation process can be quitted, and simultaneously the display of the first preview frame and the second preview frame on the screen interface can be cancelled, so that the influence of the first preview frame and the second preview frame on the writing of a user is avoided, and the subsequent writing experience of the user is ensured.
For example, when the handwriting movement operation is an operation in which two or three fingers of the user press and drag a touch screen of the intelligent interaction device, when the fingers of the user lift off the touch screen to stop inputting the handwriting movement operation, an operation instruction generated when the fingers of the user lift up may be determined as a handwriting movement operation end instruction, so that the whiteboard software in the intelligent interaction device or the intelligent interaction device may determine that the handwriting movement operation is ended based on the handwriting movement operation end instruction, so as to trigger the whiteboard software in the intelligent interaction device or the intelligent interaction device to exit a handwriting movement operation flow, and cancel the display of the first preview frame and the second preview frame.
In the actual processing, after receiving a handwriting movement operation ending instruction, the intelligent interaction device or whiteboard software in the intelligent interaction device may determine that the handwriting movement operation is ended based on the handwriting movement operation ending instruction, and then may cancel the display of the first preview frame and the second preview frame on the screen interface, that is, may delete the first preview frame displayed on the screen and the second preview frame in the target frame, so as to avoid the first preview frame and the second preview frame from affecting the writing of the user. Therefore, the first preview frame and the second preview frame in the embodiment can disappear after handwriting movement operation submitted by a user is finished, and the subsequent writing experience of the user cannot be influenced, so that the subsequent writing experience of the user can be ensured.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention.
Referring to fig. 6, a block diagram of a writing content display apparatus according to an embodiment of the present invention is shown. The writing content display device may specifically include the following modules:
a receiving and displaying module 610, configured to receive a handwriting movement operation, and display a first preview frame and a second preview frame, where the first preview frame is used to display preview information determined according to writing content of a writing area, the second preview frame is used to display preview information of the writing content displayed on a screen, and the second preview frame is displayed in the first preview frame;
a content updating module 620, configured to update the writing content displayed on the screen according to the handwriting movement operation;
and a display updating module 630, configured to update a display position of the second preview frame in the first preview frame according to the writing content displayed after the screen update.
Optionally, the display update module 630 includes the following sub-modules:
the edge coordinate information determining submodule is used for determining the edge coordinate information of the writing content displayed after the screen is updated;
and the display position updating submodule is used for updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
In an optional embodiment of the present invention, the edge coordinate information determining sub-module includes the following units:
the handwriting movement operation processing unit is used for acquiring handwriting movement operation corresponding to the handwriting according to the handwriting movement operation, wherein the handwriting movement operation is performed on the handwriting on the screen before the handwriting movement operation is performed;
and the edge position determining unit is used for determining edge coordinate information corresponding to the writing content displayed after the screen is updated based on the movement information and the first edge position information.
Optionally, the receiving and displaying module 610 includes the following sub-modules:
the first preview frame display submodule is used for displaying a first preview frame on a screen;
the area ratio determining submodule is used for determining area ratio information based on distance information between the edge handwriting position of the screen and the edge handwriting position of the writing area;
and the second preview frame submodule is used for generating a second preview frame according to the area proportion information and displaying the second preview frame in the first preview frame.
Optionally, the content update module 620 includes the following sub-modules:
the mobile information recording submodule is used for recording mobile information corresponding to the handwriting mobile operation, and the mobile information comprises mobile direction information and mobile distance information;
and the writing content updating sub-module is used for updating the writing content displayed on the screen based on the moving direction information and the moving distance information.
In this embodiment, optionally, the second preview frame is a transparent display frame in the first preview frame, the color of the handwriting displayed in the second preview frame is a first display color, the color of the handwriting displayed in the non-second preview frame of the first preview frame is a second display color, and the first display color is different from the second display color.
In an alternative embodiment of the present invention, the writing contents display apparatus further comprises the following modules:
and the preview cancellation module is used for canceling the display of the first preview frame and the second preview frame when the handwriting movement operation is finished.
In a specific implementation, the writing content display apparatus provided in this embodiment may be used to execute the writing content display method in the foregoing embodiment, and has corresponding functions and advantages.
In addition, the above-mentioned writing content display apparatus may be integrated in a display device, and the display device may be formed by two or more physical entities, or may be formed by one physical entity, for example, the display device may be a computer, a mobile phone, a tablet, a projector, or an interactive smart tablet.
Referring to fig. 7, a schematic structural diagram of a display device in an embodiment of the present invention is shown. As shown in fig. 7, the display device includes: a processor 70, a memory 71, a display screen 72 with touch functionality, an input device 73, an output device 74 and a communication device 75. The number of the processors 70 in the display device may be one or more, and one processor 70 is taken as an example in fig. 7. The number of the memories 71 in the display device may be one or more, and one memory 71 is taken as an example in fig. 7. The processor 70, the memory 71, the display 72, the input device 3, the output device 74 and the communication device 75 of the display device may be connected by a bus or other means, and fig. 7 illustrates the connection by a bus as an example. In an embodiment, the display device may be a computer, a mobile phone, a tablet, a projector, or an interactive smart tablet. In the embodiment, a display device is taken as an example of an interactive smart tablet to describe.
The memory 71 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the writing content display method according to any embodiment of the present invention (for example, the receiving display module 610, the content update module 620, the display update module 630, and the like in the writing content display apparatus). The memory 71 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 71 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 71 may further include memory located remotely from the processor 70, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The display screen 72 is a display screen 72 with a touch function, which may be a capacitive screen, an electromagnetic screen, or an infrared screen. Generally, the display screen 72 is used for displaying data according to instructions of the processor 70, and is also used for receiving touch operations applied to the display screen 72 and sending corresponding signals to the processor 70 or other devices. Optionally, when the display screen 72 is an infrared screen, the display screen further includes an infrared touch frame, and the infrared touch frame is disposed around the display screen 72, and may also be configured to receive an infrared signal and send the infrared signal to the processor 70 or other devices.
The communication device 75 is used for establishing a communication connection with other devices, and may be a wired communication device and/or a wireless communication device.
The input device 73 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the display apparatus, and may also be a camera for acquiring images and a sound pickup apparatus for acquiring audio data. The output device 74 may include an audio device such as a speaker. It should be noted that the specific composition of the input device 73 and the output device 74 may be set according to actual conditions.
The processor 70 executes various functional applications of the device and data processing, i.e., implements the above-described written content display method, by executing software programs, instructions, and modules stored in the memory 71.
Specifically, in the embodiment, when the processor 70 executes one or more programs stored in the memory 71, the written content display method according to the embodiment of the present invention is specifically implemented. Illustratively, the processor 70, when executing one or more programs stored in the memory 71, embodies the following method steps: receiving handwriting movement operation, and displaying a first preview frame and a second preview frame, wherein the first preview frame is used for displaying preview information determined according to the writing content of a writing area, the second preview frame is used for displaying the preview information of the writing content displayed on a screen, and the second preview frame is displayed in the first preview frame; updating the writing content displayed on the screen according to the handwriting movement operation; updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated
On the basis of the above example, when the one or more processors 70 update the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen update, specifically, the updating may include: determining edge coordinate information of the displayed written content after the screen is updated; and updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
On the basis of the above example, when the one or more processors 70 implement determining edge coordinate information of the written content displayed after the screen update, the method may specifically include: acquiring first edge position information and movement information corresponding to the handwriting movement operation according to a preset time interval, wherein the first edge position information represents the edge position of the writing content displayed before the screen is updated; and determining edge coordinate information of the writing content displayed after the screen is updated based on the movement information and the first edge position information.
On the basis of the above example, when the one or more processors 70 implement displaying the first preview frame and the second preview frame, the specific steps may include: displaying a first preview frame on a screen; determining area proportion information based on distance information between the edge handwriting position of the screen and the edge handwriting position of the writing area;
and generating a second preview frame according to the area proportion information, and displaying the second preview frame in the first preview frame.
On the basis of the foregoing embodiment, when the one or more processors 70 update the writing content displayed on the screen according to the handwriting movement operation, the updating may specifically include: recording movement information corresponding to the handwriting movement operation, wherein the movement information comprises movement direction information and movement distance information; and updating the writing content displayed on the screen based on the moving direction information and the moving distance information.
On the basis of the above example, the second preview frame is a transparent display frame in the first preview frame, the color of the handwriting displayed in the second preview frame is a first display color, the color of the handwriting displayed in the non-second preview frame of the first preview frame is a second display color, and the first display color is different from the second display color.
On the basis of the above example, the one or more processors 70 further implement the steps of: and when the handwriting movement operation is finished, canceling the display of the first preview frame and the second preview frame.
The display device provided by the above can be used for executing the writing content display method provided by any of the above embodiments, and has corresponding functions and advantages.
Embodiments of the present invention also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, perform a written content display method, including: receiving handwriting movement operation, and displaying a first preview frame and a second preview frame, wherein the first preview frame is used for displaying preview information determined according to the writing content of a writing area, the second preview frame is used for displaying the preview information of the writing content displayed on a screen, and the second preview frame is displayed in the first preview frame; updating the writing content displayed on the screen according to the handwriting movement operation; and updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the operations of the writing content display method described above, and may also perform related operations in the writing content display method provided by any embodiment of the present invention, and have corresponding functions and advantages.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes instructions for enabling a computer device (which may be a robot, a personal computer, a server, or a network device) to execute the written content display method according to any embodiment of the present invention.
It should be noted that, in the above-mentioned written content display device, the included units and modules are merely divided according to the functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. A method for displaying written content, comprising:
receiving handwriting moving operation after the writing content is displayed on a screen, wherein the handwriting moving operation is used for moving the writing content displayed on the screen;
displaying a first preview frame and a second preview frame according to the handwriting movement operation; the first preview frame is used for displaying preview information determined according to writing content of a writing area, the writing area refers to a page area where the writing content currently displayed by the intelligent interaction equipment is located, the writing area is larger than the display range of the screen, the second preview frame is used for displaying the preview information of the content currently displayed by the screen, and the second preview frame is displayed in the first preview frame;
the handwriting movement operation is user operation meeting preset handwriting movement operation conditions;
according to the handwriting moving operation, moving the writing content outside the screen to the screen for displaying, and/or moving the content in the screen to the outside of the screen for displaying so as to update the writing content displayed on the screen;
and updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
2. The written content display method according to claim 1, wherein updating the display position of the second preview frame in the first preview frame according to the written content displayed after the screen update comprises:
determining edge coordinate information of the displayed written content after the screen is updated;
and updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
3. The method for displaying written content according to claim 2, wherein the determining edge coordinate information of the written content displayed after the screen update comprises:
acquiring first edge position information and movement information corresponding to the handwriting movement operation according to a preset time interval, wherein the first edge position information represents the edge position of the written content before the screen is updated;
and determining edge coordinate information of the writing content displayed after the screen is updated based on the movement information and the first edge position information.
4. The written content display method according to claim 1, wherein said displaying a first preview frame and a second preview frame comprises:
displaying a first preview frame on a screen;
determining area proportion information based on distance information between the edge handwriting position of the screen and the edge handwriting position of the writing area;
and determining a second preview frame according to the area proportion information, and displaying the second preview frame in the first preview frame.
5. The writing content display method according to any one of claims 1 to 4, wherein updating the writing content displayed on the screen according to the handwriting movement operation comprises:
recording movement information corresponding to the handwriting movement operation, wherein the movement information comprises movement direction information and movement distance information;
and updating the writing content displayed on the screen based on the moving direction information and the moving distance information.
6. The method for displaying the written content according to any one of claims 1 to 4, wherein the second preview frame is a transparent display frame in the first preview frame, the color of the handwriting displayed in the second preview frame is a first display color, the color of the handwriting displayed in the non-second preview frame of the first preview frame is a second display color, and the first display color is different from the second display color.
7. The written content display method according to any one of claims 1 to 4, further comprising:
and when the handwriting movement operation is finished, canceling the display of the first preview frame and the second preview frame.
8. A written content display apparatus, comprising:
the receiving and displaying module is used for receiving handwriting moving operation after the writing content is displayed on the screen, and the handwriting moving operation is used for moving the writing content displayed on the screen;
displaying a first preview frame and a second preview frame according to the handwriting movement operation, wherein the first preview frame is used for displaying preview information determined according to the writing content of a writing area, the writing area refers to a page area where the writing content currently displayed by the intelligent interaction equipment is located, the writing area is larger than the display range of the screen, the second preview frame is used for displaying the preview information of the writing content displayed by the screen, and the second preview frame is displayed in the first preview frame;
the handwriting movement operation is user operation meeting preset handwriting movement operation conditions;
the content updating module is used for moving the writing content outside the screen to the screen for displaying according to the handwriting moving operation, and/or moving the content in the screen to the outside of the screen for displaying so as to update the writing content displayed on the screen;
and the display updating module is used for updating the display position of the second preview frame in the first preview frame according to the writing content displayed after the screen is updated.
9. The written content display device of claim 8, wherein the display update module comprises:
the edge coordinate information determining submodule is used for determining the edge coordinate information of the writing content displayed after the screen is updated;
and the display position updating submodule is used for updating the display position of the second preview frame in the first preview frame according to the edge coordinate information.
10. A display device, comprising: the touch screen comprises a memory, a display screen with a touch function and one or more processors;
the memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the written content display method of any of claims 1-7.
11. A storage medium containing computer-executable instructions for performing the written content display method of any of claims 1-7 when executed by a computer processor.
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