CN115202553B - Whiteboard application control method and device and electronic equipment - Google Patents
Whiteboard application control method and device and electronic equipment Download PDFInfo
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- CN115202553B CN115202553B CN202110402792.5A CN202110402792A CN115202553B CN 115202553 B CN115202553 B CN 115202553B CN 202110402792 A CN202110402792 A CN 202110402792A CN 115202553 B CN115202553 B CN 115202553B
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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
- 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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- 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]
- G06F3/0484—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
- G06F3/0485—Scrolling or panning
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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
- G06F3/0486—Drag-and-drop
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Abstract
The invention discloses a whiteboard application control method and device and electronic equipment. Wherein the method comprises the following steps: receiving writing operation generated on a whiteboard application interface, and generating corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide graph; acquiring a first handwriting point of writing operation; determining whether the writing handwriting falls in the mind map according to the position of the first handwriting point; in the case that the writing trace falls within the mind map, it is determined whether to adjust a layout of the mind map based on the writing trace, wherein the layout of the mind map is used to represent a node size in the mind map and a position of the node in the mind map. The invention solves the technical problem that in the prior art, only text content can be typed in the mind map, and the layout is carried out after all the text content is typed in, so that the input content is inconvenient.
Description
Technical Field
The present invention relates to the field of computers, and in particular, to a control method and apparatus for whiteboard application, and an electronic device.
Background
At present, after a mind map function is added in a whiteboard application, a mind map can be added in the whiteboard application, and operations such as a mind map (fig. 1 a), node addition (fig. 1 b), node retraction (fig. 1 c) and the like can be generated on the mind map, but in the current scheme, under the condition that contents need to be input into the nodes of the mind map, the input is needed through an entity or virtual keyboard, and the layout is rearranged after all texts are input, so that a user is inconvenient to use the mind map.
Aiming at the problem that in the prior art, only text content can be typed in a mind map and the layout is carried out after all the text content is typed in, the input content is inconvenient, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides a control method, a control device and electronic equipment for whiteboard application, which at least solve the technical problem that in the prior art, only text contents can be typed in a mind map, and layout is performed after all text contents are typed in, so that input contents are inconvenient.
According to an aspect of an embodiment of the present invention, there is provided a control method for a whiteboard application, including: receiving writing operation generated on a whiteboard application interface, and generating corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide graph; acquiring a first handwriting point of writing operation; determining whether the writing handwriting falls in the mind map according to the position of the first handwriting point; in the case that the writing trace falls within the mind map, it is determined whether to adjust a layout of the mind map based on the writing trace, wherein the layout of the mind map is used to represent a node size in the mind map and a position of the node in the mind map.
According to another aspect of the embodiment of the present invention, there is also provided a control device for whiteboard application, including: the receiving module is used for receiving the writing operation generated on the whiteboard application interface and generating corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide graph; the acquisition module is used for acquiring a first handwriting point of writing operation; the determining module is used for determining whether the writing handwriting falls in the thinking guide graph according to the position of the first handwriting point; and the layout module is used for determining whether to adjust the layout of the mind map according to the writing handwriting under the condition that the writing handwriting falls in the mind map, wherein the layout of the mind map is used for representing the node size and the position of the node in the mind map.
According to another aspect of embodiments of the present invention there is also provided a computer storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor and to carry out the method steps of any one of the above.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device, including: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of any of the above.
The embodiment of the application receives the writing operation generated on the whiteboard application interface and generates corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide graph; acquiring a first handwriting point of writing operation; determining whether the writing handwriting falls in the mind map according to the position of the first handwriting point; in the case that the writing trace falls within the mind map, it is determined whether to adjust a layout of the mind map based on the writing trace, wherein the layout of the mind map is used to represent a node size in the mind map and a position of the node in the mind map. In the scheme of the application, whether the writing handwriting belongs to the mind map is judged, so that the content is filled into the nodes in the mind map through handwriting, after a user generates a writing handwriting each time, when the user determines that the handwriting is used for filling the handwriting in the nodes of the mind map, whether the mind map needs to be rearranged is judged in real time, the technical problem that in the prior art, only text content can be typed in the mind map, and the input content is inconvenient because the layout is carried out after all typing is finished is solved, the effect of adjusting the layout of the mind map according to the handwriting written by the user is realized, the use of the user is facilitated, and the attractiveness of the mind map is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1a is a schematic diagram of a prior art mind map generation node;
FIG. 1b is a schematic diagram of a prior art mind map adding nodes;
FIG. 1c is a schematic diagram of a prior art mind map stow node;
FIG. 2 is a flow chart of a method of controlling a whiteboard application, according to an embodiment of the invention;
FIG. 3 is a schematic illustration of a mind map, according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a method for determining a node to which a first handwriting point belongs, in accordance with an embodiment of the application;
FIG. 5 is a schematic diagram of expanding a node according to an embodiment of the invention;
FIG. 6 is a schematic diagram of an adjusted mind map layout, according to an embodiment of the invention;
fig. 7 is a schematic diagram of a control device for a whiteboard application according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
The thinking guide graph is an effective thinking tool for realizing divergent thinking by displaying the relation of each level of themes by using a graph-text and a hierarchical graph which is mutually subordinate to and related to each other. The mind map includes a plurality of nodes, each of which is connected by a line, so that a hierarchical relationship between the nodes is represented. For example, from a root node, multiple child nodes are diverged, the child nodes are sibling nodes of the same hierarchy, the child nodes can further diverge other child nodes, and the final mind map can be obtained by the same.
In the whiteboard application at present, the content in the mind map can only be typed in through a physical keyboard or a virtual keyboard, and the writing function of the whiteboard can not be used for writing the content into the mind map, so that the operation is very inconvenient. In light of this problem, the present invention provides an embodiment of a method of controlling a whiteboard application, it being noted that the steps shown in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and, although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than that shown or described herein.
Fig. 2 is a flowchart of a control method of a whiteboard application according to an embodiment of the present invention, as shown in fig. 2, the method includes the steps of:
step S102, receiving writing operation generated on a whiteboard application interface, and generating corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one mind map.
Specifically, the whiteboard application interface can be an interface provided when the whiteboard application is operated on the intelligent interaction panel, and the interface can perform various functions such as writing. The whiteboard application interface of the above scheme comprises at least one generated mind map.
The mind map includes a plurality of nodes, and the hierarchical relationship between the nodes is represented by a connection relationship of lines between the nodes. Each node has a default size so that writing can be performed within the node. The nodes of the mind map may be rectangular, or rounded rectangular, with the size of the node being the default size for each new node generated when the mind map is created.
The mind map shows details in a manner of diverging from a root node to a child node, wherein the direction in which the root node extends to the child node may be a lateral direction or a longitudinal direction, and in the following embodiment, the distance in the direction in which the root node extends to the child node is referred to as a width, and the distance in the arrangement direction of sibling nodes in the same hierarchy is referred to as a height.
The writing operation may be an operation performed on the device using a writing pen or a finger, and the device generates writing handwriting and displays the writing handwriting according to the writing operation after detecting the writing operation.
Step S104, obtaining a first handwriting point of the writing operation.
The first handwriting point of the writing operation is the pen drop point of the handwriting. When the device records writing operation, the point generated by the writing operation is recorded in a down-move-move-up mode, wherein the point recorded as down is the first handwriting point, the point recorded as move is the moving point of handwriting, and the point recorded as up is the last handwriting point.
Step S106, determining whether the writing handwriting falls in the mind act according to the position of the first handwriting point.
In the scheme, whether the writing handwriting falls in the mind map is determined according to the position of the first handwriting point.
In an alternative embodiment, when the first handwriting point falls into any node of the mind map, determining that the writing handwriting falls into the mind map, and determining that the writing handwriting falls into the node where the first handwriting point is located, namely determining that the writing handwriting is used for filling the node of the mind map. When the first handwriting point does not fall into any node of the mind map, determining that the writing handwriting does not fall into the mind map, namely, the writing handwriting is not used for filling the node of the mind map.
Step S108, in the case that the writing handwriting falls in the mind map, determining whether to adjust the layout of the mind map according to the writing handwriting, wherein the layout of the mind map is used for representing the size of the nodes in the mind map and the positions of the nodes in the mind map.
In the above scheme, in the case that the writing handwriting is determined to fall within the mind map, the writing handwriting can be bound with the node where the writing handwriting falls.
If the writing trace completely belongs to the node to which the writing trace belongs, namely the writing trace does not exceed the range of the node to which the writing trace belongs, the size of the node to which the writing trace belongs is proper, the size of the node is not required to be adjusted, and correspondingly, the layout of the mind map is not required to be adjusted; if the writing handwriting exceeds the range of the node to which the writing handwriting belongs, the size of the node to which the writing handwriting belongs is unsuitable, expansion is needed, and correspondingly, the layout of the mind map is also needed to be adjusted.
The adjustment of the layout of the mind map may be to adjust the size of the nodes and the positions of the nodes in the mind map, so that the nodes can be connected according to a preset connection mode, and a preset distance can be kept, so that the display effect of the mind map is better.
In the related art, content is filled into nodes of the mind map by means of physical keyboard or virtual keyboard typing, and the mind map is rearranged, but the layout is that after a user inputs a text, the user presses a key such as 'ok' to trigger the mind map to be rearranged. The embodiment of the application receives the writing operation generated on the whiteboard application interface and generates corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide graph; acquiring a first handwriting point of writing operation; determining whether the writing handwriting falls in the mind map according to the position of the first handwriting point; in the case that the writing trace falls within the mind map, it is determined whether to adjust a layout of the mind map based on the writing trace, wherein the layout of the mind map is used to represent a node size in the mind map and a position of the node in the mind map. In the scheme of the application, whether the writing handwriting belongs to the mind map is judged, so that the content is filled into the nodes in the mind map through handwriting, after a user generates a writing handwriting each time, when the user determines that the handwriting is used for filling the handwriting in the nodes of the mind map, whether the mind map needs to be rearranged is judged in real time, the technical problem that in the prior art, only text content can be typed in the mind map, and the input content is inconvenient because the layout is carried out after all typing is finished is solved, the effect of adjusting the layout of the mind map according to the handwriting written by the user is realized, the use of the user is facilitated, and the attractiveness of the mind map is improved.
As an alternative embodiment, the mind map includes a plurality of nodes, determining that an area occupied by the node itself on the whiteboard application interface is a first range of the nodes, determining that a minimum rectangular area including the node and all child nodes of the node is a second range of the nodes, and determining whether the writing trace falls within the mind map according to a position of a first writing trace point includes:
Step 1061, judging whether the first handwriting point falls into a second range of the current node, wherein the initial current node is a root node of the mind map;
Step 1062, if the first handwriting point does not fall into the second range of the current node, determining that the handwriting does not fall into the mind act, if the current node has a sibling node, determining whether the first handwriting point falls into the sibling node of the current node;
step 1063, judging whether the first handwriting point falls into the first range of the current node under the condition that the first handwriting point falls into the second range of the current node;
Step 1064, determining that the writing trace falls into the current node if the first trace point falls into the first range of the current node;
in step 1065, if the first handwriting point does not fall within the first range of the current node, if the current node does not have a child node, it is determined that the handwriting does not fall within the mind act, and if the current node has a child node, it is determined whether the first handwriting point falls within the child node of the current node.
Fig. 3 is a schematic diagram of a mind map according to an embodiment of the present invention, and the first and second ranges of the above nodes are described below with reference to fig. 3. In the above scenario, the first range of nodes is used to represent the area that the node itself occupies on the whiteboard application interface. Taking fig. 3 as an example, 301 is the area occupied by node 0 itself in the whiteboard application interface, that is, the first range of node 0. For node 1, its child nodes include node 0, node 0', and 302 include node 1, node 0, and node 0', and are the smallest bounding rectangles of node 1, node 0, and node 0, so 302 is the second range corresponding to node 1. Similarly, 303 is the second range of node 2 and 304 is the second range of node 4. From the above description, the first range and the second range of the extreme nodes of the mind map are the same, and the second range of the root nodes of the mind map includes all the nodes of the mind map.
Under the above definition, the judgment of whether or not the writing trace falls within the mind map will be described. In the above scheme, whether the writing trace falls within the mind act map is determined based on the position of the first trace point of the writing trace. If the first writing point falls outside the mind map, it is determined that the writing trace falls outside the mind map, and if the first writing point falls at a certain node within the mind map, it is determined that the writing trace also falls at the node, which will be described in detail below.
First, the current node is determined (when the determination is made in step S1061 is performed for the first time, the root node is determined to be the current node), and it is determined whether the first handwriting point falls within the second range of the current node. If the result of the determination is no, it is determined that the first handwriting point is no longer in the current node and all its child nodes, so step S1062 is entered, where a determination is made in the sibling node of the current node, specifically, whether the first handwriting point falls into the second range of the next sibling node of the current node. When judging whether the first handwriting point falls into the next brother node of the current node, determining that the handwriting does not fall into the mind map under the condition that the current node does not comprise the brother node. It should be noted that, when step S1061 is performed for the first time, it is determined that the root node is the current node, and since the root node has no sibling node, when step S1062 is performed for the first time, if the first handwriting point does not fall into the second range of the current node, the handwriting does not necessarily fall into the mind map.
If the result of judging whether the first handwriting point falls into the second range of the current node is yes, determining that the first handwriting point may fall into the current node or the child node thereof, and thus sequentially judging. Step S1063 is first performed to determine that the first handwriting point does not fall into the first range of the current node, if the determination result is yes, step S1064 is performed to determine that the first handwriting point falls into a node to which the writing script belongs, and if the determination result is no, step S1065 is performed to determine in the child node of the current node, specifically, whether the first handwriting point falls into the second range of the child node in the current node. In the above scheme, in case that the first handwriting point does not fall into the first range of the current node, if the current node does not include the child node, it is explained that the first handwriting point does not fall into the mind-oriented graph, and if the current node includes the child node, the first child node thereof is continued as the current node, thereby entering step S1061 again.
As an alternative embodiment, if the current node has a sibling node, determining whether the first handwriting point falls into the sibling node of the current node includes: taking the next brother node of the current node as the current node, and entering a step of judging whether the first handwriting point falls into a second range of the current node.
In the case where the current node includes a sibling node, the next sibling node of the current node is re-entered as the current node to perform the determination in step S1061. After the multiple determinations are made, after each sibling node of the current node performs step S1061, there is no sibling node that is not the current node, and it is determined that the writing trace does not fall into the mind map.
As an alternative embodiment, if the current node has a child node, determining whether the first handwriting point falls within the child node of the current node includes: and taking the first child node of the current node as the current node, and entering a step of judging whether the first handwriting point falls into a second range of the current node.
In the above scheme, if the current node includes a child node, the first child node of the current node is continued as the current node, thereby proceeding to step S1061 again.
As an alternative embodiment, before determining whether the first handwriting point falls within the second range of the current node, the method further includes: judging whether the first handwriting point falls on a node to which the last handwriting belongs; if the judgment result is yes, determining that the node to which the previous handwriting belongs is the range to which the first handwriting point belongs; and if not, entering a step of judging whether the first handwriting point falls into a second range of the current node.
In the above scheme, if the first handwriting point of the current writing handwriting and the first handwriting point of the previous writing handwriting belong to the first range of the same node, the step S1061 is not needed to be entered for judgment, and the node where the first handwriting point of the previous writing handwriting is directly determined to be the node where the first handwriting point of the current writing handwriting is located. Because the continuous writing is performed on the same node, the judgment step is added, so that the node to which each handwriting belongs does not need to be searched from the root node, and the node determination speed can be increased.
Fig. 4 is a schematic diagram of determining a node to which a first handwriting point belongs according to an embodiment of the present application, and referring to fig. 4, first, it is determined that the first handwriting point of the current handwriting does not fall into a first range of a node to which the previous handwriting belongs (i.e., a node to which the first handwriting point of the previous handwriting belongs), if the determination result is yes, the node to which the previous handwriting belongs is directly determined to be the node to which the current handwriting belongs, and if the determination result is no, the root node is taken as the current node, and then the next stage is entered.
In this stage, judging whether the first handwriting point is in the second range of the current node, if the first handwriting point is in the second range of the current node, judging whether the first handwriting point is in the first range of the current node, and if the first handwriting point is in the first range of the current node, determining that the first handwriting point is in the current node; if the first handwriting point is not in the first range of the current node, the current node is updated to be the child node of the current node for continuous judgment, and the first handwriting point is determined to fall outside the mind map under the condition that the child node does not exist in the current node.
If the first handwriting point is not in the second range of the current node, the current node is updated to be the brother node of the current node for continuous judgment, and the first handwriting point is determined to be outside the mind map under the condition that the current node does not have the brother node which is not judged.
As an alternative embodiment, in case the writing trace falls within the mind map, determining whether to adjust the layout of the mind map according to the writing trace includes: under the condition that the writing handwriting exceeds the area occupied by the first target node, the first target node is expanded to enable the first target node to comprise the writing handwriting, wherein the first target node is the node where the first handwriting point of the writing handwriting is located; and adjusting the layout of the mind map according to the expanded first target node.
In the above-mentioned scheme, if the writing trace falls within the mind map, if the writing trace exceeds the area occupied by the first target node (i.e., the first range of the first target node), the first target node needs to be expanded according to the expansion, so that the first target node includes the writing trace. After the first target node is expanded, the mind map needs to be rearranged so as to achieve a better display effect.
It should be noted that, the foregoing adjustment of the layout of the mind map is performed in real time, that is, once the writing trace is generated on the whiteboard application interface, it is required to determine whether the writing trace causes the expansion of the node to which the writing trace belongs, and on the basis that the writing trace causes the expansion of the node, the layout of the mind map is performed in real time, without waiting for the user to write the whole object (for example, a complete word or term), and without performing other operations by the user to trigger the adjustment of the layout of the mind map.
It should be further noted that, in the above scheme, the expansion of the first target node and the adjustment of the mind map may be performed together in one layout, that is, the effect seen by the user is that the expansion of the first target node and the adjustment of the mind map are completed after the mind map is changed once.
As an optional embodiment, adjusting the layout of the mind map according to the expanded first target node includes: acquiring the size parameter of the first target node after capacity expansion and the size information of other nodes, wherein the other nodes are nodes except the first target node in the mind map, and the size information comprises: height and width; determining an origin according to the position of the root node of the mind map, and determining the position parameter of each node in the mind map relative to the origin after the layout is adjusted according to the origin, the size parameter of the first target node, the size information of the other nodes and a preset interval parameter, wherein the interval parameter comprises: distance between adjacent sibling nodes and distance between adjacent parent-child nodes; determining a displacement parameter of the first target node according to the position parameter of the first target node after the layout is adjusted and the position parameter of the first target node before the layout is adjusted; and adjusting all nodes in the mind map to reversely move according to the displacement parameters.
After the first target node expands the capacity, if the layout of the mind map is not adjusted, the distances among the first target node, the father node, the son node and the brother nodes are possibly reduced.
In the above scheme, since the mind map needs to be rearranged due to the expansion of the first target node, the height and width of the expanded first target node need to be determined first. The method for expanding the first target node may be that a minimum circumscribed rectangle of the writing trace exceeding the area occupied by the first target node is determined, and the first target node is expanded so that the area occupied by the first target node contains the minimum circumscribed rectangle.
FIG. 5 is a schematic diagram of expanding a node according to an embodiment of the present invention, and in combination with the schematic diagram shown in FIG. 5, the expansion layout is based on the node where the pen is located and the handwriting therein during writing. The rectangular range formed by the original handwriting frame of the node is 501, the rectangular range formed by the newly added handwriting frame is 502, and the rectangular range combined by the original handwriting frame and the newly added handwriting frame is 503, so that the writing range of the current node is expanded from 501 to 503.
The origin may be determined from the root node of the mind map by taking the midpoint of one side (the side opposite to the direction in which the child node is located) of the root node as the origin. The preset interval parameters include: the distance between the preset adjacent brother nodes in the arrangement direction of the brother nodes and the distance between the preset adjacent father and son nodes in the arrangement direction of the father and son nodes.
With reference to fig. 3, the width of all nodes in the mind map is x, the height is y, the distance between peer nodes and nodes is B (i.e. the distance between adjacent sibling nodes), and the distance between upper and lower nodes and nodes is B (i.e. the distance between adjacent parent-child nodes).
It follows that the node at which node 0 is located occupies a height y.
Node 0 parent node is node 1, and node 1 occupies a height that includes the height of all its children, as well as the distances between the children. Node 1 occupies a height h1=2×y+b;
Node 1 parent node is node 2, and node 2 occupies a height that includes the height of all its children, as well as the distances between the children. Then node 2 occupies a height h2=y+b+y+b+h1=2×y+2×b+h1;
node 3 occupies a height h3=2×y+b;
The parent nodes of the nodes 2 and 3 are root nodes 4, the height occupied by the node 4 comprises the heights of all the child nodes and the distance between the child nodes, and then the height occupied by the node 4 is h4=h3+h2+b.
Assuming that the coordinates of the left midpoint P4 of the root node (node 4) are (0, 0), the left midpoint coordinates of all other nodes can be determined according to the above, for example, the coordinates of the left midpoint P3 of the node 3 are (x+b, h4/2-h 3/2), the coordinates of the left midpoint P2 of the node 2 are (x+b, h2/2-h 4/2), the coordinates of the left midpoint P1 of the node 1 are (2x+2x B, h1/2-h 4/2), and the like.
In practical situations, the widths and heights of the nodes are not necessarily the same, but all the nodes can be started from the last child node to find the occupation height of each node, and then find the coordinates of the relative root nodes, namely the relative positions.
From the above, based on the constraint conditions of the width and the height of each node, the distance between the peer nodes and the node, and the distance between the upper and lower nodes and the node in the mind map, the position parameter of each node relative to the origin can be determined. When the mind map is rearranged, the coordinates of the root node can be designated, the relative positions of the child nodes can be calculated, and the deviation and the display are carried out, so that the layout of the mind map can be completed.
After the position parameters of each node in the mind map relative to the origin are determined through the steps, the position parameters of the first target node after the layout can be obtained, and the displacement parameters of the first target node can be obtained by subtracting the position parameters of the first target node after the layout from the position parameters before the layout. For example, the first target node is (3, 2) at the position before the layout, and the position parameter after the layout is (3, 1), whereby it can be determined that the displacement parameter of the first target node is (0, -1).
Because writing is currently being performed on the first target node, in order to achieve a better display effect, the above scheme hopes that the absolute position of the first target node is not changed by the rearranged mind map, so that after the position parameters of all the child nodes relative to the origin are determined, the above steps also adjust all the nodes in the mind map to move reversely according to the displacement parameters. For example, taking the displacement parameter of the first target node as (0, -1) as an example, all nodes of the mind map move according to (0, 1), so that the absolute position of the first target node is unchanged, that is, the position of the first target node which is being written by the user is unchanged, but the whole mind map completes the re-layout.
Fig. 6 is a schematic diagram of an embodiment of a layout of an adjustment mind map, and in combination with the illustration of fig. 6, the width and height of the nodes are respectively increased by the width and height difference between the rectangle 501 and the rectangle 503 in fig. 5, and since the node 601 is a root node, the left center of the node 601 is determined as the origin, and the positions of the left centers of the nodes 602, 603, 604 relative to the origin are determined according to the original widths and heights of the nodes 602, 603, 604 and the preset distances between peer nodes and between the upper and lower nodes and between the nodes. Since the first target node 601 in this example is the root node, and the first target node 601 is not moved, i.e. the displacement parameter is (0, 0), the entire mind map does not need to be moved in the opposite direction, so as to obtain the result after the rearrangement as shown in fig. 6.
The layout method provided by the scheme comprises the steps of firstly, determining coordinates of all nodes in the mind map relative to the root node according to the root node, keeping the root node motionless to adjust positions of all child nodes, and recording displacement parameters of a first target node; and then the whole mind map direction is moved by the displacement parameter, so that the purpose of re-layout of the mind map without changing the absolute position of the first target node operated by the user is achieved.
As an alternative embodiment, the method further comprises: receiving handwriting dragging operation, wherein the dragging operation is used for dragging preset dragging handwriting to a second target node; under the condition that the dragged-in handwriting exceeds the area occupied by the second target node, expanding the capacity of the second target node so that the second target node comprises the dragged-in handwriting; and adjusting the layout of the mind map according to the second target node after capacity expansion.
The handwriting dragging operation can drag the handwriting outside the mind map into the mind map, or drag one handwriting in the mind map from one point to another node. The drag-in operation on the handwriting may be a plurality of operations of setting, for example, a frame selection drag-in handwriting moving, a double click drag-in handwriting moving, and the like, which are not limited herein.
If the dragged handwriting does not exceed the area occupied by the second target node after being dragged to the second target node, the mind map does not need to be rearranged, and if the dragged handwriting exceeds the area occupied by the second target node after being dragged to the second target node, the second target node needs to be expanded and the layout of the mind map is adjusted, and the specific expansion mode and the adjustment mode of the mind map are the same as the above modes and are not repeated here.
As an alternative embodiment, the method further comprises: receiving handwriting pulling-out operation, wherein the pulling-out operation is used for pulling out a third target node from a preset pulling-out handwriting, and the pulling-out handwriting enables the area occupied by the third node to be larger than a default node area; and contracting the third target node, and adjusting the layout of the mind map according to the contracted third target node.
The handwriting pulling operation may be pulling the handwriting from the third target node to other nodes, or pulling the handwriting from the second target node out of the mind map. The dragging operation of the handwriting can also be started in various manners according to the setting, for example, moving after the frame is selected to drag the handwriting, moving after the handwriting is dragged by double clicking, and the like, and the method is not limited.
If the third target node does not have the area occupied by the third target node greater than the default node area, the pulling out of the third node does not cause the contraction of the third target node. In the above scheme, the area occupied by the third node is larger than the default node area by dragging out the handwriting, so that after the handwriting is dragged out, the third target node needs to be contracted, and the layout of the mind map is correspondingly adjusted.
It should be noted that, for the operation of dragging the handwriting from one node to another node in the mind map, the one node performs the handwriting dragging step, and the other node performs the handwriting dragging step, so that the above action can be completed.
It should be noted that, for dragging the handwriting from one node to another node in the mind map, the operation may be performed by contracting the one node and expanding the capacity of the other node, in this case, the layout operation may be performed only once, so as to ensure that the handwriting position is unchanged, and the rest of the mind map is laid out with the handwriting and the node as references.
It should be noted that, in the above step, the way of redistributing the whole mind map according to the contracted third target node is similar to the way of redistributing the whole mind map according to the expanded first target node in the above embodiment, and will not be repeated here.
Example 2
The present invention provides an embodiment of a control device for whiteboard application, and fig. 7 is a schematic diagram of a control device for whiteboard application according to an embodiment of the present invention, as shown in fig. 7, the device includes:
The receiving module 70 is configured to receive a writing operation generated on the whiteboard application interface, and generate a corresponding writing trace according to the writing operation, where the whiteboard application interface includes at least one mind act.
An obtaining module 72 is configured to obtain a first handwriting point of the writing operation.
A determining module 74 for determining whether the writing trace falls within the mind map based on the location of the first trace point.
A layout module 76 for determining whether to adjust the layout of the mind map based on the writing, where the layout of the mind map is used to represent the size of nodes in the mind map and the locations of the nodes in the mind map, if the writing falls within the mind map.
As an alternative embodiment, the mind map includes a plurality of nodes, a first range of nodes is determined for an area occupied by the nodes themselves on the whiteboard application interface, a second range of nodes is determined for a minimum rectangular area including the nodes and all child nodes of the nodes, and the determining module includes:
the first judging sub-module is used for judging whether the first handwriting point falls into a second range of the current node, wherein the initial current node is a root node of the mind map;
the first determining submodule is used for determining that the writing handwriting does not fall into the mind map if the current node does not have a brother node under the condition that the first handwriting point does not fall into the second range of the current node, and judging whether the first handwriting point falls into the brother node of the current node if the current node has the brother node;
The second judging sub-module is used for judging whether the first handwriting point falls into the first range of the current node or not under the condition that the first handwriting point falls into the second range of the current node;
The second determining submodule is used for determining that the writing handwriting falls into the current node under the condition that the first handwriting point falls into the first range of the current node;
and the third determining sub-module is used for determining that the writing handwriting does not fall into the mind map if the current node does not have the sub-node under the condition that the first handwriting point does not fall into the first range of the current node, and judging whether the first handwriting point falls into the sub-node of the current node if the current node has the sub-node.
As an alternative embodiment, the first determining submodule includes: and the first determining unit is used for taking the next brother node of the current node as the current node and entering a step of judging whether the first handwriting point falls into a second range of the current node.
As an alternative embodiment, the third determining submodule includes: and the second determining unit is used for taking the first child node of the current node as the current node and entering the step of judging whether the first handwriting point falls into a second range of the current node.
As an alternative embodiment, the above device further comprises: before judging whether the first handwriting point falls into a second range of the current node, a third judging submodule is used for judging whether the first handwriting point falls into a node to which the last handwriting belongs; a fourth determining submodule, configured to determine, when the determination result is yes, that a node to which the previous handwriting belongs is a range to which the first handwriting point belongs; and the entering sub-module is used for entering the step of judging whether the first handwriting point falls into the second range of the current node under the condition that the judging result is negative.
As an alternative embodiment, the layout module comprises: the expansion Rong Zi module is used for expanding the first target node under the condition that the writing handwriting exceeds the area occupied by the first target node so that the first target node comprises the writing handwriting, wherein the first target node is the node where the first handwriting point of the writing handwriting is located; the first adjusting sub-module is used for adjusting the layout of the thinking guide graph according to the expanded first target node.
As an alternative embodiment, the expansion submodule includes: the obtaining unit is configured to obtain the size parameter of the expanded first target node and size information of other nodes, where the other nodes are nodes in the mind map except for the first target node, and the size information includes: height and width; a third determining unit, configured to determine an origin according to a position of a root node of the mind map, and determine a position parameter of each node in the mind map relative to the origin after the layout is adjusted according to the origin, a size parameter of the first target node, size information of the other nodes, and a preset interval parameter, where the interval parameter includes: distance between adjacent sibling nodes and distance between adjacent parent-child nodes; a fourth determining unit, configured to determine a displacement parameter of the first target node according to the position parameter of the first target node after the layout adjustment and the position parameter of the first target node before the layout adjustment; and the adjusting unit is used for adjusting all nodes in the thinking guide graph to reversely move according to the displacement parameters.
As an alternative embodiment, the above device further comprises: the drag-in operation receiving module is used for receiving a handwriting drag-in operation, wherein the drag-in operation is used for dragging a preset drag-in handwriting to a second target node; the expansion module is used for expanding the second target node under the condition that the dragged-in handwriting exceeds the area occupied by the second target node, so that the second target node comprises the dragged-in handwriting; and the adjusting module is used for adjusting the layout of the thinking guide graph according to the expanded second target node.
As an alternative embodiment, the method further comprises: the pulling-out operation receiving module is used for receiving handwriting pulling-out operation, wherein the pulling-out operation is used for pulling out a third target node from a preset pulling-out handwriting, and the pulling-out handwriting enables the area occupied by the third node to be larger than a default node area; and the contraction module is used for contracting the third target node and adjusting the layout of the mind map according to the contracted third target node.
Example 3
The embodiment of the present application further provides a computer storage medium, where the computer storage medium may store a plurality of instructions, where the instructions are adapted to be loaded by a processor and execute the method steps of the embodiment shown in fig. 1 to fig. 6, and the specific execution process may refer to the specific description of the embodiment shown in fig. 1 to fig. 6, which is not repeated herein. The device on which the storage medium resides may be a smart interactive tablet.
Example 4
According to an embodiment of the present application, there is also provided an electronic device including: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of embodiment 1.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (11)
1.A method of controlling a whiteboard application, comprising:
receiving writing operation generated on a whiteboard application interface, and generating corresponding writing handwriting according to the writing operation, wherein the whiteboard application interface comprises at least one thinking guide diagram;
Acquiring a first handwriting point of the writing operation;
determining whether the writing handwriting falls in the thinking guide according to the position of the first handwriting point;
Determining whether to adjust the layout of the mind map according to the writing handwriting under the condition that the writing handwriting falls in the mind map, wherein the layout of the mind map is used for representing the size of nodes in the mind map and the positions of the nodes in the mind map, and the adjustment mode of the layout of the mind map comprises the steps of adjusting the nodes in the mind map according to a preset connection mode and a preset distance or expanding the size of the nodes in the mind map;
Determining whether to adjust the layout of the mind map according to the writing handwriting under the condition that the writing handwriting falls in the mind map comprises the following steps: expanding the first target node under the condition that the writing handwriting exceeds the area occupied by the first target node, so that the first target node comprises the writing handwriting, wherein the first target node is the node where the first handwriting point of the writing handwriting is located; and adjusting the layout of the mind map according to the expanded first target node.
2. The method of claim 1, wherein the mind map comprises a plurality of nodes, wherein determining that the area occupied by the nodes themselves on the whiteboard application interface is a first range of the nodes, wherein determining that a minimum rectangular area including the nodes and all child nodes of the nodes is a second range of the nodes, and wherein determining whether the writing trace falls within the mind map based on the location of the first trace point comprises:
judging whether the first handwriting point falls into a second range of a current node, wherein the initial current node is a root node of the mind map;
If the first handwriting point does not fall into the second range of the current node, determining that the writing handwriting does not fall into the mind map if the current node does not have a brother node, and if the current node has a brother node, judging whether the first handwriting point falls into the brother node of the current node;
judging whether the first handwriting point falls into a first range of the current node or not under the condition that the first handwriting point falls into a second range of the current node;
Determining that the writing trace falls into the current node under the condition that the first writing trace point falls into a first range of the current node;
and under the condition that the first handwriting point does not fall into the first range of the current node, if the current node does not have a child node, determining that the handwriting does not fall into the mind map, and if the current node has a child node, judging whether the first handwriting point falls into the child node of the current node.
3. The method of claim 2, wherein if the current node has a sibling node, determining whether the first handwriting point falls within the sibling node of the current node comprises:
and taking the next brother node of the current node as the current node, and entering a step of judging whether the first handwriting point falls into a second range of the current node.
4. The method of claim 2, wherein if the current node has a child node, determining whether the first handwriting point falls within the child node of the current node comprises:
and taking the first child node of the current node as the current node, and entering a step of judging whether the first handwriting point falls into a second range of the current node.
5. The method of claim 2, wherein prior to determining whether the first handwriting point falls within the second range of the current node, the method further comprises:
judging whether the first handwriting point falls on a node to which the last handwriting belongs;
if the judgment result is yes, determining that the node to which the previous handwriting belongs is the range to which the first handwriting point belongs;
And if not, entering a step of judging whether the first handwriting point falls into a second range of the current node.
6. The method of claim 1, wherein adjusting the layout of the mind map according to the expanded first target node comprises:
acquiring the size parameter of the first target node after capacity expansion and the size information of other nodes, wherein the other nodes are nodes except the first target node in the mind map, and the size information comprises: height and width;
Determining an origin according to the position of the root node of the mind map, and determining the position parameter of each node in the mind map relative to the origin after the layout is adjusted according to the origin, the size parameter of the first target node, the size information of the other nodes and a preset interval parameter, wherein the interval parameter comprises: distance between adjacent sibling nodes and distance between adjacent parent-child nodes;
determining a displacement parameter of the first target node according to the position parameter of the first target node after the layout is adjusted and the position parameter of the first target node before the layout is adjusted;
And adjusting all nodes in the mind map to reversely move according to the displacement parameters.
7. The method according to claim 1, wherein the method further comprises:
receiving handwriting dragging operation, wherein the dragging operation is used for dragging preset dragging handwriting to a second target node;
expanding the second target node under the condition that the dragged-in handwriting exceeds the area occupied by the second target node, so that the second target node comprises the dragged-in handwriting;
And adjusting the layout of the mind map according to the second target node after capacity expansion.
8. The method according to claim 1, wherein the method further comprises:
receiving a handwriting pulling-out operation, wherein the pulling-out operation is used for pulling out a preset pulling-out handwriting from a third target node, and the pulling-out handwriting enables the area occupied by the third node to be larger than the default node area;
and contracting the third target node, and adjusting the layout of the mind map according to the contracted third target node.
9. A control device for whiteboard applications, comprising:
the system comprises a receiving module, a display module and a display module, wherein the receiving module is used for receiving writing operation generated on a whiteboard application interface and generating corresponding writing handwriting according to the writing operation, and the whiteboard application interface comprises at least one thinking guide graph;
The acquisition module is used for acquiring the first handwriting point of the writing operation;
The determining module is used for determining whether the writing handwriting falls in the thinking guide graph according to the position of the first handwriting point;
The layout module is used for determining whether to adjust the layout of the mind map according to the writing handwriting when the writing handwriting falls in the mind map, wherein the layout of the mind map is used for representing the size of nodes in the mind map and the positions of the nodes in the mind map, and the adjustment mode of the layout of the mind map comprises the steps of adjusting the nodes in the mind map according to a preset connection mode and a preset distance or expanding the size of the nodes in the mind map;
The layout module includes: the expansion Rong Zi module is used for expanding the first target node under the condition that the writing handwriting exceeds the area occupied by the first target node so that the first target node comprises the writing handwriting, wherein the first target node is the node where the first handwriting point of the writing handwriting is located; and the first adjusting sub-module is used for adjusting the layout of the mind map according to the expanded first target node.
10. A computer storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the method steps of any one of claims 1 to 8.
11. An electronic device, comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of any of claims 1 to 8.
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