CN102141909A - Primitive creation method and system - Google Patents

Abstract

The invention relates to a primitive creation method and a system. The method comprises the following steps: obtaining the box selection information of a drawing panel; and creating a corresponding primitive in a box selection area of the drawing panel according to the box selection information. Through the primitive creation method, the box selection information of the drawing panel is obtained, and the corresponding primitive in the box selection area of the drawing panel is obtained according to the box selection information. With the adoption of the method and the system, a user can create the corresponding primitive in the box selection area according to the box selection information of the user only through carrying out box selection to the drawing panel; and the repeated movement between a toolbar and the drawing panel is not required during the continuous creation. The primitive creation method and the system have simple process, are convenient and quick to operate, save a large quantity of time and energy and keep continuous drawing, thereby greatly improving the drawing efficiency and enhancing the experience effect of the user.

Description

Graphic element creation method and system

【Technical field】

The invention relates to the field of computer applications, in particular to a method and system for creating graphic elements.

【Background technique】

With the development of computer technology, more and more people use drawing tools for various drawing, most of the drawing is done by drawing tools.

For traditional drawing tools, the creation buttons of primitives are all located on the toolbar. When creating a primitive, first move the mouse to the toolbar, find the corresponding create button, then click the create button and hold it down, drag the newly created primitive into the drawing panel, release the mouse at a suitable position, and the primitive will create a drawing panel. At the same time, the newly created primitives are created in the drawing panel with the default size. If the user wants to obtain the primitives of the required size, he has to drag the drag point on the edge of the graph to adjust the graph to the required size. Obtaining the required graphic elements requires many steps, the process is complicated, and the operation is cumbersome. Especially when creating multiple primitives continuously, the mouse needs to move frequently and in a large range between the toolbar and the drawing panel, constantly searching for the required primitives in the toolbar, and constantly adjusting the size of the primitives, wasting a lot of time , It consumes a lot of energy, and the operation cannot maintain continuity, which greatly reduces the operation efficiency and affects the user experience.

【Content of invention】

In view of this, it is necessary to provide a fast and convenient method for creating primitives for the above-mentioned cumbersome creation process of primitives.

In addition, it is also necessary to provide a fast primitive creation system.

A method for creating a graphic element, comprising the steps of:

Obtain the frame selection information of the drawing panel;

Create corresponding primitives in the frame selection area of the drawing panel according to the frame selection information.

Preferably, the framing information includes: one or more of the size of the framing area, the position of the framing area, and the framing direction, and the framing direction includes bottom right, bottom left, top left, and top right. One or more than two.

Preferably, the step of creating corresponding graphic elements in the frame selection area of the drawing panel according to the frame selection information specifically includes:

Create a primitive corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction.

Preferably, the step of creating a graphic element corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction is specifically:

Establish the corresponding relationship between the frame selection direction and the primitive;

Determine the frame selection direction in the frame selection information;

When the frame selection direction is lower right, create the graphic element with the most user creation times in the frame selection area of the drawing panel;

When the marquee direction is lower left, create the primitive created by the user last time in the marquee area of the drawing panel;

When the frame selection direction is upper left, create the graphic element with the most user creation times in the frame selection area of the drawing panel;

When the frame selection direction is upper right, a graphic element tool bar appears on the drawing panel for the user to select.

Preferably, after the step of obtaining the frame selection information of the drawing panel, it also includes:

Judging whether the frame selection area has created primitives, if yes, selecting the created primitives, otherwise performing the step of creating corresponding primitives in the frame selection area of the drawing panel according to the frame selection information.

Preferably, the step of creating corresponding graphic elements in the frame selection area of the drawing panel according to the frame selection information is specifically:

Create a primitive trigger block of the primitive corresponding to the frame selection information;

detecting a selected operation on said primitive trigger;

When a selected operation on the graphic entity trigger block is detected, the graphic entity trigger block is deleted, and a corresponding graphic entity is created in the marquee area of the drawing panel;

When no selected operation on the primitive trigger is detected, the primitive trigger is deleted.

Preferably, the step of creating corresponding graphic elements in the frame selection area of the drawing panel according to the frame selection information further includes:

When the selected operation on the primitive trigger block is not detected, the primitive toolbar will appear at the specified position of the drawing panel, and the primitive in the primitive toolbar selected by the user will be obtained, and the primitive trigger will be deleted Block, to create primitives in the marquee area of the drawing panel.

Preferably, the method further includes the step of recording the number of creation times of the graphic entity and the time of creating the graphic entity.

A primitive creation system, the system comprising:

The information acquisition module acquires frame selection information on the drawing panel;

The graphic entity creation module creates corresponding graphic entities in the frame selection area of the drawing panel according to the frame selection information.

Preferably, the framing information includes: one or more of the size of the framing area, the position of the framing area, and the framing direction, and the framing direction includes bottom right, bottom left, top left, and top right. One or more than two.

Preferably, the system also includes:

A setting module, configured to establish and modify the corresponding relationship between the frame selection direction and the graphic elements;

The graphic element creating module is used to create a graphic element corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction.

Preferably, the graphic element creation module is further used to create the most frequently created graphic entity in the frame selection area of the drawing panel when the frame selection direction is lower right; when the frame selection direction is lower left, Create the primitive created by the user last time in the marquee area of the drawing panel; when the marquee direction is upper left, create the most frequently created primitive in the marquee area of the drawing panel; when the marquee direction is upper right When , the toolbar of primitives will appear in the drawing panel for users to choose.

Preferably, the system also includes:

Judging module, judging whether the frame selection area has a created graphic element, if so, then select the created graphic element, and end the operation, otherwise, notify the graphic element creation module according to the frame selection information in the frame of the drawing panel Create corresponding primitives in the selected area.

Preferably, the graphic element creation module includes:

A primitive trigger block creating module, configured to create a primitive trigger block of a primitive corresponding to the frame selection information;

A detection module, configured to detect a selected operation on the primitive trigger block;

A processing module, configured to delete the primitive trigger block when the detection module detects a selected operation on the primitive trigger block, and create a corresponding primitive in the marquee area of the drawing panel, when the detection module does not detect When the selected operation on the entity trigger block is reached, the entity trigger block is deleted.

Preferably, the system also includes:

The recording module is used to record the number of creation times and the creation time of the primitive.

The above method and system for creating graphic elements obtains frame selection information on the drawing panel, and creates corresponding graphic entities in the frame selection area of the drawing panel according to the frame selection information. With the method and system, the user only needs to frame the drawing panel, and then create corresponding primitives in the frame selection area according to the user's frame selection information, and there is no need to repeatedly move between the toolbar and the drawing panel during continuous creation , the process is simple, the operation is convenient and fast, saving a lot of time and energy, making the drawing maintain continuity, greatly improving the drawing efficiency and enhancing the user experience effect.

【Description of drawings】

Fig. 1 is a flowchart of a method for creating primitives in an embodiment;

Fig. 2 is a flow chart of a method for creating a corresponding graphic element in a frame selection area of a drawing panel according to frame selection information in an embodiment;

FIG. 3 is a flow chart of a method for creating a corresponding graphic element in a frame selection area of the drawing panel according to frame selection information in another embodiment;

Fig. 4 is a flow chart of a method for creating corresponding primitives in one embodiment;

Fig. 5 is a structural diagram of a primitive creation system in an embodiment;

Fig. 6 is a structural diagram of a graphic element creation module in another embodiment;

Fig. 7 is a structural diagram of a primitive creation system in another embodiment.

【Detailed ways】

The technical solutions and other beneficial effects of the present invention will be apparent through the detailed description of specific embodiments of the present invention below in conjunction with the accompanying drawings.

Fig. 1 shows the flow of a method for creating a graphic element in an embodiment, and the flow of the method includes the following steps:

In step S10, frame selection information on the drawing panel is obtained.

The frame selection information is the operation information when the user selects a certain area on the drawing panel. In one embodiment, the frame information includes: one or more of the size of the frame area, the position of the frame area, and the frame direction, wherein the frame direction includes bottom right, bottom left, top left, and top right. One or more than two.

In one embodiment, the user uses a mouse to perform a frame selection operation to obtain a frame selection area. Press the left mouse button (or right button, according to personal habits) at a certain position on the drawing panel as the starting point for frame selection, press and hold the left mouse button, and drag in a certain direction to form a square frame Marquee, the square marquee area is the marquee area, after the user includes all the required area in the square marquee, release the left mouse button, the mouse release position is the end point of marquee selection, the start point of marquee selection and the marquee selection The vector direction formed by the end point is the marquee direction of the marquee area.

In other implementation manners, the user may also use a touch screen and other input devices to perform frame selection operations.

In step S20, a corresponding graphic entity is created in the frame selection area of the drawing panel according to the frame selection information.

In one embodiment, the above method further includes the step of establishing a corresponding relationship between frame selection information and graphic elements. Different primitives can be created according to different frame selection information (such as frame selection direction). After establishing the corresponding relationship between frame selection information and graphic elements, it can be saved as the default setting, and the default setting will be loaded when the graphical operation interface is started. In addition, users can also modify the previously established corresponding relationship according to their own needs. In a preferred embodiment, the created primitive has the same size and position as the marquee area.

FIG. 2 shows a method flow for creating corresponding graphics elements in the frame selection area of the drawing panel according to the frame selection information in one embodiment. The method flow includes the following steps:

In step S201, it is judged whether the frame selection area has created primitives, if yes, go to step S202, otherwise go to step S203.

In step S202, the created primitive is selected, and the operation ends. When the user creates a primitive, if there is a created primitive in the marquee area, the user will select it after marquee selection.

In step S203, a corresponding graphic entity is created in the frame selection area of the drawing panel according to the frame selection information.

Fig. 3 shows the method flow of creating corresponding graphic elements in the frame selection area of the drawing panel according to the frame selection information in another embodiment. In this embodiment, the frame selection area of the drawing panel is created with The graphic element corresponding to the frame selection direction is specifically divided into the following steps:

In step S301, a corresponding relationship between a frame selection direction and a graphic element is established.

The corresponding relationship between the frame selection direction and the graphic element is set and modified according to the user's personal needs or the actual needs of the drawing, and it can also be the corresponding relationship set by the system default. In a preferred embodiment, the established corresponding relationship between the frame selection direction and the graphic element is specifically: when the frame selection direction is lower right, it corresponds to the graphic element created most times by the user; when the frame selection direction is lower left, it corresponds to the user The primitive created last time; when the frame selection direction is upper left, it corresponds to the primitive created most times by the user; when the frame selection direction is upper right, the primitive toolbar will appear on the drawing panel for users to choose.

In step S302, determine the frame selection direction in the frame selection information.

In a preferred embodiment, a corresponding graphic element is created in the frame selection area according to the frame selection direction, as shown in Figure 3, which specifically includes the following steps:

In step S303, when the frame selection direction is the bottom right, a graphic element created most frequently by the user is created in the frame selection area of the drawing panel.

In step S304, when the frame selection direction is the bottom left, the graphic element created last time by the user is created in the frame selection area of the drawing panel.

In step S305, when the frame selection direction is the upper left, the graphics entity created by the user most times is created in the frame selection area of the drawing panel.

In step S306, when the frame selection direction is upper right, a graphic element toolbar appears on the drawing panel for the user to select.

Fig. 4 shows the flow of a method for creating a corresponding graphic element in an embodiment, and the flow of the method includes the following steps:

In step S401, a primitive trigger block of a primitive corresponding to the frame selection information is created.

In this embodiment, the primitive trigger block is a shadow module suspended above the drawing panel, which has the same shape and size as the corresponding real primitive. The primitive trigger block is not displayed on the drawing panel at first, but it appears in the marquee area after obtaining the primitive corresponding to the marquee information, showing what kind of primitive the primitive corresponding to the marquee information is at the moment, so that the user can judge whether the primitive is for the required graphics.

In one embodiment, the creation method of the primitive trigger block is as follows: when it is detected that the left button of the mouse is pressed but not released (or the right button) and dragged in one direction to perform frame selection, the frame selection information is obtained and according to the frame selection The trigger block of the corresponding primitive is created by the information. The trigger block of the primitive keeps appearing during the frame selection process. When the left button of the mouse is not released and the size and shape of the frame selection area are constantly changed, it always maintains the same position as the frame selection area. , the same size, when the left mouse button (or right button) is detected to be released, the frame selection ends. The element trigger block floats in the marquee area.

In other implementation manners, the creation method of the primitive trigger block can also be: the primitive trigger block does not appear during the frame selection process, and after the frame selection is completed, the primitive trigger block of the primitive corresponding to the frame selection information is created, and the graph The element trigger block has the same position and the same size as the marquee area.

In one embodiment, the frame selection direction of the user is acquired, and a primitive trigger block of the primitive corresponding to the frame selection direction is created. The user uses the mouse to make a frame selection, presses the left button of the mouse to start the frame selection, and then drags in one direction to obtain the frame selection direction, and creates a primitive trigger block of the primitive corresponding to the frame selection direction.

In other implementations, after creating a primitive trigger block corresponding to the frame selection information, the primitive is further switched when the mouse wheel is detected to switch to the primitive required by the user, or the right mouse button is detected During operation, the graphic entity selection interface will pop up for the user to select the required graphic entity. You can also predefine shortcut keys for primitives for users to select primitives.

In step S402, it is detected whether the user performs a selection operation on the primitive trigger block. If yes, go to step S404, if not, go to step S403.

The user needs the primitive corresponding to the primitive trigger block, and needs to select the primitive trigger block. The user does not need the graphic element corresponding to the graphic element trigger block, as long as the selected operation is not performed within the preset time or the cancel shortcut key is pressed.

In one embodiment, the user's selected operation on the primitive trigger block includes clicking the primitive trigger block with the mouse, double-clicking the primitive trigger block, dragging the primitive trigger block, or pressing the Enter key, a shortcut key, etc. .

In step S403, the primitive trigger block is deleted, and the operation ends.

In one embodiment, when no selected operation on the trigger block of the primitive is detected, the trigger block of the primitive is deleted, and the primitive toolbar can appear at the designated position of the drawing panel, so that the user can select the tool on the primitive toolbar , according to the user's selection, create primitives in the marquee area that are consistent with the position and size of the marquee area.

In step S404, the primitive trigger block is deleted, and a corresponding primitive is created in the framed area of the drawing panel.

In one embodiment, after the graphic entity is created in the framed area of the drawing panel, a step of recording the number of times the graphic entity is created and the time when the graphic entity is created is further included. The contents of these records can be used to update the corresponding relationship between frame selection information and primitives. It is convenient to understand the user's graphic element creation needs and usage level, and modify the graphic element corresponding to the frame selection information.

FIG. 5 shows a graphic element creation system in an embodiment, and the system includes: an information acquisition module 510 and a graphic element creation module 520 . in:

The information obtaining module 510 is used for obtaining frame selection information on the drawing panel.

Preferably, the user uses a mouse to perform a frame selection operation to select a certain area to obtain a frame selection area. Press the left mouse button (or the right button, according to personal habits) at a certain position on the drawing panel as the starting point for frame selection, press and hold the left mouse button, and drag in a certain direction to form a box , the framed area is the marquee selection area. After all the area is included in the frame, release the left mouse button. The position where the mouse is released is the marquee selection end point, and the vector direction formed by the marquee selection start point and the marquee selection end point is the frame The marquee direction of the selected area.

In other implementation manners, the user can also use the touch screen to perform frame selection.

The primitive creating module 520 creates corresponding primitives in the framed region of the drawing panel according to the framed information.

In one embodiment, the framing information includes: one or more of the size of the framing area, the position of the framing area, and the framing direction, wherein the framing directions include lower right, lower left, upper left, and upper right. one or more of two. The primitive created by the primitive creating module 520 is consistent with the size and position of the framed area.

In a preferred embodiment, the primitive creating module 520 creates corresponding primitives in the framed area of the drawing panel according to the framed direction. In this embodiment, the graphic element creation module 520 is further used to create the most frequently created graphic element in the frame selection area of the drawing panel when the frame selection direction is lower right; Create the primitive created by the user last time in the marquee area of the panel; when the marquee direction is upper left, create the most frequently created primitive in the marquee area of the drawing panel; when the marquee direction is upper right , the tool bar of primitives will appear in the drawing panel for users to choose.

In one embodiment, as shown in FIG. 6 , the primitive creation module 520 includes a primitive trigger block creation module 521 , a detection module 522 and a processing module 523 . in:

The primitive trigger block creating module 521 is used for creating a primitive trigger block of a primitive corresponding to the frame selection information.

In this embodiment, the primitive trigger block is a shadow module suspended above the drawing panel, which has the same shape and size as the corresponding real primitive. The primitive trigger block is not displayed on the drawing panel at first, but it appears in the marquee area after obtaining the primitive corresponding to the marquee information, showing what kind of primitive the primitive corresponding to the marquee information is at the moment, so that the user can judge whether the primitive is for the required graphics.

In one embodiment, the creation method of the primitive trigger block is as follows: when it is detected that the left button of the mouse is pressed but not released (or the right button) and dragged in one direction to perform frame selection, the frame selection information is obtained and according to the frame selection The trigger block of the corresponding primitive is created by the information. The trigger block of the primitive keeps appearing during the frame selection process. When the left button of the mouse is not released and the size and shape of the frame selection area are constantly changed, it always maintains the same position as the frame selection area. , the same size, when the left mouse button (or right button) is detected to be released, the frame selection ends. The element trigger block floats in the marquee area.

In other implementation manners, the creation method of the primitive trigger block can also be: the primitive trigger block does not appear during the frame selection process, and after the frame selection is completed, the primitive trigger block creation module 521 creates a primitive corresponding to the frame selection information The primitive trigger block, the primitive trigger block has the same position and the same size as the marquee area.

In one embodiment, the frame selection direction of the user is acquired, and a primitive trigger block of the primitive corresponding to the frame selection direction is created. The user uses the mouse to make a frame selection, presses the left button of the mouse to start the frame selection, and then drags in one direction to obtain the frame selection direction, and creates a primitive trigger block of the primitive corresponding to the frame selection direction.

The detection module 522 is used to detect whether the user performs a selection operation on the graphic element trigger block.

The user needs the primitive corresponding to the primitive trigger block, and needs to select the primitive trigger block. The user does not need the graphic element corresponding to the graphic element trigger block, as long as the selected operation is not performed within the preset time or the cancel shortcut key is pressed.

In one embodiment, the user's selection operation on the primitive trigger block includes clicking the primitive trigger block, double-clicking the primitive trigger block, dragging the primitive trigger block, or pressing the enter key.

The processing module 523 is used to delete the primitive trigger block when the detection module 522 detects the selected operation of the primitive trigger block, and create a corresponding primitive in the frame selection area of the drawing panel, and the detection module 522 does not detect When the selected operation on the entity trigger block, delete the entity trigger block.

In other implementations, the primitive creation module 520 also includes a primitive toolbar display module (not shown in the figure) for specifying in the drawing panel when the detection module 522 does not detect the selected operation on the primitive trigger block. Position the popup primitive toolbar.

When the graphic entity corresponding to the frame selection information is not the graphic entity required by the user, the graphic entity toolbar display module will display the graphic entity toolbar at the specified position of the drawing panel for the user to select the required graphic entity. In a preferred embodiment, the designated position of the primitive toolbar is the position of the mouse cursor or the vicinity of the designated area of the drawing panel. The user clicks the graphic element in the graphic element toolbar to obtain the required graphic element.

In another embodiment, as shown in Figure 7, the system also includes:

Judgment module 530, is used for judging whether frame selection area has created graphic element, if so, then select described graphic element that has been created, otherwise, notify described graphic element creation module 520 to frame selection in drawing panel according to frame selection information Regions create corresponding primitives.

The setting module 540 is used for establishing and modifying the corresponding relationship between frame selection information and graphic elements.

In a preferred embodiment, the setting module 540 is used to establish the corresponding relationship between the frame selection direction and the graphic element, which is specifically:

When the frame selection direction is bottom right, it corresponds to the primitive created by the user most times; when the frame selection direction is bottom left, it corresponds to the primitive created last time by the user; when the frame selection direction is top left, it corresponds to the primitive created by the user most times Primitives; when the marquee selection direction is upper right, the primitive toolbar will appear in the drawing panel for users to choose.

The corresponding relationship between the frame selection direction and the graphic elements set by the setting module 540 can be used as a default setting, and the default setting is loaded when the graphical operation interface is started. The relationship is modified. For example, in the above-mentioned embodiment, the setting module 540 may also set the frame selection direction to the bottom right corresponding to the graphic element created last time by the user.

Further, the system also includes a recording module 550, which records the number of creation times of the graphic entity and the time of creating the graphic entity. The content recorded by the recording module 550 can be used to update the correspondence between the frame selection information and the graphic elements. It is convenient to understand the user's graphic element creation needs and usage level, and modify the graphic element corresponding to the frame selection information.

The above method and system for creating graphic elements obtains frame selection information on the drawing panel, and creates corresponding graphic entities in the frame selection area of the drawing panel according to the frame selection information. With the method and system, the user only needs to frame the drawing panel, and then create corresponding primitives in the frame selection area according to the user's frame selection information, and there is no need to repeatedly move between the toolbar and the drawing panel during continuous creation , the process is simple, the operation is convenient and fast, saving a lot of time and energy, making the drawing maintain continuity, greatly improving the drawing efficiency and enhancing the user experience effect.

The above-mentioned embodiments only express the implementation manner of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (15)

1. A method for creating a graphic element, comprising the steps of: Obtain the frame selection information of the drawing panel; Create corresponding primitives in the frame selection area of the drawing panel according to the frame selection information. 2. The graphic element creation method according to claim 1, wherein the frame selection information includes: one or more of the size of the frame selection area, the position of the frame selection area, and the frame selection direction, and The frame selection direction includes one or more of bottom right, bottom left, top left and top right. 3. The graphic element creation method according to claim 2, wherein the step of creating a corresponding graphic element in the frame selection area of the drawing panel according to the frame selection information specifically comprises: Create a primitive corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction. 4. The graphic element creation method according to claim 3, wherein the step of creating a graphic element corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction is specifically: Establish the corresponding relationship between the frame selection direction and the primitive; Determine the frame selection direction in the frame selection information; When the frame selection direction is lower right, create the graphic element with the most user creation times in the frame selection area of the drawing panel; When the marquee direction is lower left, create the primitive created by the user last time in the marquee area of the drawing panel; When the frame selection direction is upper left, create the graphic element with the most user creation times in the frame selection area of the drawing panel; When the frame selection direction is upper right, a graphic element tool bar appears on the drawing panel for the user to select. 5. The graphic element creation method according to claim 1, further comprising: Judging whether the frame selection area has created primitives, if yes, selecting the created primitives, otherwise performing the step of creating corresponding primitives in the frame selection area of the drawing panel according to the frame selection information. 6. The method for creating a graphic element according to any one of claims 1 to 5, wherein the step of creating a corresponding graphic element in the frame selection area of the drawing panel according to the frame selection information is specifically: Create a primitive trigger block of the primitive corresponding to the frame selection information; detecting a selected operation on said primitive trigger; When a selected operation on the graphic entity trigger block is detected, the graphic entity trigger block is deleted, and a corresponding graphic entity is created in the marquee area of the drawing panel; When no selected operation on the primitive trigger is detected, the primitive trigger is deleted. 7. The graphic element creation method according to claim 6, wherein the step of creating a corresponding graphic element in the frame selection area of the drawing panel according to the frame selection information also includes: When the selected operation on the primitive trigger block is not detected, the primitive toolbar will appear at the specified position of the drawing panel, and the primitive in the primitive toolbar selected by the user will be obtained, and the primitive trigger will be deleted Block, to create primitives in the marquee area of the drawing panel. 8. The method for creating a graphic entity according to claim 1, further comprising the step of recording the number of times the graphic entity is created and the time when the graphic entity is created. 9. A graphic element creation system, characterized in that the system comprises: The information acquisition module acquires frame selection information on the drawing panel; The graphic entity creation module creates corresponding graphic entities in the frame selection area of the drawing panel according to the frame selection information. 10. The graphic element creation system according to claim 9, wherein the frame selection information includes: one or more of the size of the frame selection area, the position of the frame selection area, and the frame selection direction, and The frame selection direction includes one or more of bottom right, bottom left, top left and top right. 11. The graphic element creation system according to claim 10, wherein the system further comprises: A setting module, configured to establish and modify the corresponding relationship between the frame selection direction and the graphic elements; The graphic element creating module is used to create a graphic element corresponding to the frame selection direction in the frame selection area of the drawing panel according to the obtained frame selection direction. 12. The graphic element creation system according to claim 11, wherein the graphic element creation module is further configured to create the user with the most creation times in the frame selection area of the drawing panel when the frame selection direction is lower right When the frame selection direction is lower left, create the graphic element created by the user last time in the frame selection area of the drawing panel; when the frame selection direction is upper left, create a user-created graphic element in the frame selection area of the drawing panel The primitive with the most number of times; when the frame selection direction is upper right, the primitive toolbar will appear on the drawing panel for the user to choose. 13. The graphic element creation system according to claim 9, wherein the system further comprises: Judging module, judging whether the frame selection area has a created graphic element, if so, then select the created graphic element, and end the operation, otherwise, notify the graphic element creation module according to the frame selection information in the frame of the drawing panel Create corresponding primitives in the selected area. 14. The graphic element creation system according to any one of claims 9 to 13, wherein the graphic element creation module comprises: A primitive trigger block creating module, configured to create a primitive trigger block of a primitive corresponding to the frame selection information; A detection module, configured to detect a selected operation on the primitive trigger block; A processing module, configured to delete the primitive trigger block when the detection module detects a selected operation on the primitive trigger block, and create a corresponding primitive in the marquee area of the drawing panel, when the detection module does not detect When the selected operation on the entity trigger block is reached, the entity trigger block is deleted. 15. The graphic element creation system according to claim 9, wherein the system further comprises: The recording module is used to record the number of creation times and the creation time of the primitive.

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