CN103699294B - The method of deploying and device of multilevel menu - Google Patents

The method of deploying and device of multilevel menu Download PDF

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CN103699294B
CN103699294B CN201310661777.8A CN201310661777A CN103699294B CN 103699294 B CN103699294 B CN 103699294B CN 201310661777 A CN201310661777 A CN 201310661777A CN 103699294 B CN103699294 B CN 103699294B
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area
level menu
circle
menu
display interface
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CN103699294A (en
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陈桦
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Abstract

The present invention discloses a kind of method of deploying of multilevel menu, comprises the following steps:When detecting the expansion instruction of next stage menu, the center of circle of circle and radius where the center of circle of circle where obtaining previous menu and radius and next stage menu;The center of circle and radius of the center of circle of circle and radius and next stage menu place circle according to where previous menu, obtain the theoretical viewing area of next stage menu;Obtain next stage menu theoretical viewing area in without departing from display interface border region;Using the actual displayed region without departing from the region on the border of display interface as next stage menu.The invention also discloses a kind of expanding unit of multilevel menu.The invention enables the display of menu can be flexibly adapted to different display interfaces.

Description

Expansion method and device of multi-level menu
Technical Field
The invention relates to the field of interface display, in particular to a method and a device for expanding a multi-level menu.
Background
With the rise of mobile electronic devices, especially touch mobile electronic devices, more and more disc-shaped menus appear, all menus are displayed around a center position, and a level of submenus is expanded from the center position to the periphery, as shown in fig. 1.
When the menu is formed by expanding towards the periphery, the problem of insufficient expanding space is encountered, and particularly for display screens with different specifications, the expanded submenu possibly exceeds the display range, so that the menu part cannot be displayed.
Disclosure of Invention
The invention mainly aims to provide a method and a device for expanding a multi-level menu, aiming at enabling the multi-level menu to be flexibly expanded according to different specifications of a display interface.
In order to achieve the above object, the method for expanding a multi-level menu provided by the present invention comprises the following steps:
when an expansion instruction of a next-level menu is detected, acquiring the center and the radius of a circle where the previous-level menu is located and the center and the radius of the circle where the next-level menu is located;
acquiring a theoretical display area of a next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located;
acquiring an area which does not exceed the boundary of a display interface in a theoretical display area of a next-level menu;
and taking the area which does not exceed the boundary of the display interface as the actual display area of the next level menu.
Preferably, the step of taking the area not beyond the boundary of the display interface as the actual display area of the next-level menu further comprises:
according to a preset coordinate system of a display interface, calculating the area of a circle of the previous-level menu in four areas divided by the preset coordinate system, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an original point, the horizontal direction as an X axis and the vertical direction as a Y axis;
and taking the direction corresponding to the region where the circle of the previous menu falls in the four regions divided by the preset coordinate system and the region with the smallest area as the expansion direction of the next menu.
Preferably, after calculating the area of the circle of the previous menu in the four regions into which the preset coordinate system is divided according to the preset coordinate system of the display interface, the method further includes:
generating a vector corresponding to each area in the four areas, wherein the size of the vector is the size of the area of the previous-level menu in the four areas, the direction of the vector is the starting point which is the center of the display interface, and the vertex of the angle of the display interface in the area is the terminal point;
and synthesizing a vector corresponding to each area, and taking the opposite direction of the synthesized vector as the expansion direction of the next level menu.
Preferably, the theoretical display area of the next menu is formed by the circumference of the circle where the previous menu is located and the circumference of the circle where the next menu is located.
Preferably, the acquiring a region of the theoretical display region of the next-level menu that does not exceed the boundary of the display interface includes:
judging whether each point of the theoretical display area of the next-level menu exceeds the boundary of the display interface or not;
and taking the area formed by the points which do not exceed the boundary of the display interface as the area which does not exceed the boundary of the display interface.
The present invention also provides a device for expanding a multi-level menu, comprising:
the detection module is used for acquiring the center and the radius of a circle where the previous-level menu is located and the center and the radius of the circle where the next-level menu is located when the expansion instruction of the next-level menu is detected;
the region acquisition module is used for acquiring a theoretical display region of a next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located, and acquiring a region which does not exceed the boundary of the display interface in the theoretical display region of the next-level menu;
and the area setting module is used for taking the area which does not exceed the boundary of the display interface as the actual display area of the next level menu.
Preferably, the region acquisition module is further configured to:
according to a preset coordinate system of a display interface, calculating the area of a circle of the previous-level menu in four areas divided by the preset coordinate system, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an original point, the horizontal direction as an X axis and the vertical direction as a Y axis;
the zone setting module is further configured to:
and taking the direction corresponding to the region where the circle of the previous menu falls in the four regions divided by the preset coordinate system and the region with the smallest area as the expansion direction of the next menu.
Preferably, the region acquisition module is further configured to:
generating a vector corresponding to each area in the four areas, wherein the size of the vector is the size of the area of the previous-level menu in the four areas, the direction of the vector is the starting point which is the center of the display interface, and the vertex of the angle of the display interface in the area is the terminal point;
the zone setting module is further configured to:
and synthesizing a vector corresponding to each area, and taking the opposite direction of the synthesized vector as the expansion direction of the next level menu.
Preferably, the theoretical display area of the next menu is formed by the circumference of the circle where the previous menu is located and the circumference of the circle where the next menu is located.
Preferably, the region acquisition module is further configured to:
judging whether each point of the theoretical display area of the next-level menu exceeds the boundary of the display interface or not; and taking the area formed by the points which do not exceed the boundary of the display interface as the area which does not exceed the boundary of the display interface.
According to different display interfaces, when the next-level menu needs to be displayed, the area which does not exceed the display boundary in the theoretical display area of the next-level menu is selected for menu display, so that the display of the menu can flexibly adapt to different display interfaces.
Drawings
FIG. 1 is a schematic illustration of a display of a multi-level menu associated with the present invention;
FIG. 2 is a diagram of a hardware architecture for use in the method for expanding a multi-level menu of the present invention;
FIG. 3 is a flowchart illustrating a method for expanding a multi-level menu according to a first embodiment of the present invention;
FIG. 4 is an exemplary diagram of selecting an expansion area of a menu at a next level in the first embodiment of the expansion method of a multi-level menu of the present invention;
FIG. 5 is a flowchart illustrating a method for expanding a multi-level menu according to a second embodiment of the present invention;
FIG. 6 is an exemplary diagram of selecting an expansion area of a menu at a next level in the second embodiment of the expansion method of a multi-level menu of the present invention;
FIG. 7 is a flowchart illustrating a method for expanding a multi-level menu according to a third embodiment of the present invention;
FIG. 8 is an exemplary diagram of selecting an expansion area of a menu at a next level in the third embodiment of the expansion method of a multi-level menu of the present invention;
FIG. 9 is a schematic structural diagram of a preferred embodiment of the expanding device for multi-level menus of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the specific embodiments in the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for expanding a multi-level menu, which can select corresponding display areas aiming at display screens with different specifications when a next-level menu is expanded so as to better expand the menu. The method for expanding the multilevel menu is mainly suitable for displaying the disc menu in the display equipment, and the display equipment can be intelligent terminal equipment such as a PC, a television, a digital camera, a mobile phone, a tablet personal computer, an IPATD and the like. It is within the scope of the invention to include the display of a carousel menu. The technical solution of the present invention will be described below by taking a mobile phone as an example, and it should be noted that the specific embodiments described below are only used for explaining the present invention, and are not used for limiting the present invention.
First, a hardware structure to which the method for expanding a multi-level menu of the present invention is applied will be briefly described. As shown in fig. 2, fig. 2 is a diagram of a hardware architecture to which the method for expanding a multi-level menu of the present invention is applied. The terminal device comprises a processor 10, a storage unit 11 and a display screen 12, wherein the processor 10 is used for receiving a trigger of a user, acquiring a corresponding execution instruction and data from the storage unit 11 according to the trigger, processing the data according to the execution instruction, and displaying a processing result on the display screen 12. The display 12 may be a touch screen or a non-touch screen, for example, when the display 12 is a touch screen, a user sends a trigger signal by touching to control the processor 10 to perform corresponding processing.
The method for expanding the multi-level menu is implemented based on the hardware structure, namely, the processor 10 calls a plurality of instructions stored in the storage unit 11. Fig. 3 is a flow chart illustrating a method for expanding a multi-level menu according to a first embodiment of the present invention. The expansion method of the multilevel menu comprises the following steps:
step S110, when an expansion instruction of a next-level menu is detected, acquiring the center and the radius of a circle where the previous-level menu is located and the center and the radius of the circle where the next-level menu is located;
the upper level menu and the lower level menu are both represented by annular areas which are expanded to the periphery around the same central position, and the annular area of the upper level menu is arranged at the inner side of the annular area of the lower level menu. And the upper level menu and the lower level menu can be recorded as circles, the centers of the circles are both the central positions, and the radius of the circle is the distance between the center of the circle and the boundary of the annular area. The center and radius of the circle where the previous-level menu is located and the center and radius of the circle where the next-level menu is located can be set by default or can be set by a developer according to specific conditions.
Step S120, acquiring a theoretical display area of the next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located;
the theoretical display area of the next-level menu is formed by the circumference of the circle where the previous-level menu is located and the circumference of the circle where the next-level menu is located.
Step S130, acquiring an area which does not exceed the boundary of the display interface in the theoretical display area of the next level menu;
before the next level of menu is expanded, the boundary of the display interface must be obtained. And then when a next-level menu expansion instruction is detected, judging whether each point of a theoretical display area of the next-level menu exceeds the boundary of the display interface, and taking an area formed by the points which do not exceed the boundary of the display interface as an area which does not exceed the boundary of the display interface. Specifically, whether each point of the theoretical display area of the next level menu exceeds the boundary of the display interface is judged by judging whether the coordinate of each point exceeds the boundary of the display interface.
And step S140, taking the area which does not exceed the boundary of the display interface as the actual display area of the next level menu.
According to different display interfaces, when the next-level menu needs to be displayed, the area which does not exceed the display boundary in the theoretical display area of the next-level menu is selected for menu display, so that the display of the menu can flexibly adapt to different display interfaces.
Taking fig. 4 as an example, fig. 4 is an exemplary diagram of selecting an expansion area of a menu at a next level in the expansion method of a multi-level menu according to the present invention. In fig. 4, R0 is a circular track where the upper menu is located, where the center coordinates are (m, n) and the radius is R0; r1 is a circular track where the next-level menu is located, wherein the coordinates of the center of the circle are (m, n), and the radius is R1; and L is the boundary of the display interface. As can be seen from fig. 4, in the circle where the next-level menu is located, a partial area (e.g., an area formed by the arc L and the boundary L) will exceed the boundary L of the display interface, and therefore, the area S that does not exceed the boundary is used as the actual display area of the next-level menu.
Referring to fig. 5, fig. 5 is a flowchart illustrating a method for expanding a multi-level menu according to a second embodiment of the present invention. In this embodiment, after step S140 of the above embodiment, the method further includes:
step S150, calculating the area of the circle of the previous level menu in four areas divided by a preset coordinate system according to the preset coordinate system of the display interface, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an origin, the horizontal direction as an X axis and the vertical direction as a Y axis;
and step S160, taking the direction corresponding to the region where the circle of the previous-level menu falls in the four regions divided by the preset coordinate system and the area of the circle of the previous-level menu is the smallest as the expansion direction of the next-level menu.
Referring to fig. 6, a coordinate system having the center of a display interface as an origin, a horizontal direction as an X-axis, and a vertical direction as a Y-axis divides the display interface into four regions a, b, c, d. After step S140, the area where the boundary of the display interface is not exceeded is used as the actual display area of the next menu. Then, areas S1, S2, S3, S4 of the circle in which the upper menu is located in the four regions a, b, c, d are calculated. And finally, comparing the calculated areas, and selecting the direction corresponding to the area with the minimum area as the expanding direction of the display area of the next level menu. As can be seen from fig. 6, since S1 is smaller than S2, S3 and S4, the direction corresponding to the area a where S1 is located is selected as the expansion direction of the next menu. That is, the expansion direction of the menu at the next level is set to the outer periphery of the menu at the previous level and toward the area a.
The embodiment of the invention not only enables the display of the menu to be flexibly adapted to different display interfaces, but also selects the direction corresponding to the region with the minimum area as the expansion direction of the next-level menu according to the size of the area of the circle of the previous-level menu in the four regions divided by the preset coordinate system, thereby expanding the menus with more levels.
Referring to fig. 7, fig. 7 is a flowchart illustrating a method for expanding a multi-level menu according to a third embodiment of the present invention. In this embodiment, after step S150 of the above embodiment, the method further includes:
step S170, generating a vector corresponding to each area in the four areas, wherein the size of the vector is the size of the area of the previous-level menu in the four areas, the direction of the vector is the starting point which is the center of the display interface, and the vertex of the angle of the display interface falling in the area is the end point;
and step S180, synthesizing a vector corresponding to each area, and taking the opposite direction of the synthesized vector as the expansion direction of the next-level menu.
Referring to fig. 8, a coordinate system having the center of a display interface as an origin, a horizontal direction as an X axis, and a vertical direction as a Y axis divides the display interface into four regions a, b, c, and d. First, through step S150, the areas of the circle where the previous menu is located in the four regions divided by the preset coordinate system are calculated, and then, vectors corresponding to the respective areas are generated in each region. The vector size is the area of the previous menu in the four regions, the vector direction is from the center of the display interface as the starting point, and the vertex of the angle of the display interface falling in the region is the end point. The vector line equally divides the area of the region into two parts, which are equal lines of the planar area weight. Such as vectors t1, t2, t3, t4 in regions a, b, c, d in fig. 8. Finally, the vectors t1, t2, t3 and t4 are synthesized into a vector V, and the opposite direction V' of the synthesized vector V is used as the expansion direction of the next menu.
The embodiment of the invention not only enables the display of the menu to be flexibly adapted to different display interfaces, but also selects the direction corresponding to the region with the minimum area as the expansion direction of the next-level menu according to the size of the area of the circle of the previous-level menu in the four regions divided by the preset coordinate system, thereby expanding the menus with more levels.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a preferred embodiment of the expanding device for multi-level menus of the present invention. The device for expanding the multi-level menu comprises:
the detecting module 110 is configured to, when detecting an expansion instruction of a next-level menu, obtain a center and a radius of a circle where the previous-level menu is located and a center and a radius of a circle where the next-level menu is located;
the area obtaining module 120 is configured to obtain a theoretical display area of the next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located, and obtain an area that does not exceed the boundary of the display interface in the theoretical display area of the next-level menu;
and the area setting module 130 is used for setting the area which does not exceed the boundary of the display interface as the actual display area of the next level menu.
The upper level menu and the lower level menu are both represented by annular areas which are expanded to the periphery around the same central position, and the annular area of the upper level menu is arranged at the inner side of the annular area of the lower level menu. And the upper level menu and the lower level menu can be recorded as circles, the centers of the circles are both the central positions, and the radius of the circle is the distance between the center of the circle and the boundary of the annular area. Therefore, when detecting the expansion instruction of the next menu, the detecting module 110 obtains the center and radius of the circle where the previous menu is located and the center and radius of the circle where the next menu is located. Then, the area obtaining module 120 obtains the theoretical display area of the next-level menu according to the center and radius of the circle where the previous-level menu is located and the center and radius of the circle where the next-level menu is located, and obtains the area that does not exceed the boundary of the display interface in the display area of the next-level menu. The method specifically comprises the following steps: before the next level of menu is expanded, the boundary of the display interface must be obtained. And then judging whether each point of a theoretical display area of the next-level menu exceeds the boundary of the display interface when detecting a next-level menu expansion instruction, and then taking an area formed by the points which do not exceed the boundary of the display interface as an area which does not exceed the boundary of the display interface. Specifically, whether each point of the theoretical display area of the next level menu exceeds the boundary of the display interface is judged by judging whether the coordinate of each point exceeds the boundary of the display interface. The area setting module 130 uses the area that is not beyond the boundary of the display interface and acquired by the area acquiring module 120 as the actual display area of the next menu.
According to different display interfaces, when the next-level menu needs to be displayed, the theoretical display area of the next-level menu is selected not to exceed the display boundary area for menu display, so that the display of the menu can flexibly adapt to different display interfaces.
Further, the region acquiring module 120 is further configured to:
and calculating the area of the circle of the previous-level menu in four areas divided by the preset coordinate system according to the preset coordinate system of the display interface, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an origin, the horizontal direction as an X axis and the vertical direction as a Y axis.
The region setting module 130 is further configured to:
and taking the direction corresponding to the region where the circle of the previous menu is located and the region with the smallest area in the four regions divided by the coordinate system as the expansion direction of the next menu.
Referring to fig. 6, the display interface is divided into four regions a, b, c, d by a coordinate system having the center of the display interface as an origin, the horizontal direction as an X axis, and the vertical direction as a Y axis. After step S140, the area where the boundary of the display interface is not exceeded is used as the actual display area of the next menu. Then, the areas S1, S2, S3 and S4 of the circle where the menu at the previous level falls in the four areas a, b, c and d are calculated. And finally, comparing the calculated areas, and selecting the direction corresponding to the area with the minimum area as the expanding direction of the display area of the next-level menu. As can be seen from fig. 6, since S1 is smaller than S2, S3 and S4, the direction corresponding to the area a where S1 is located is selected as the expansion direction of the next menu. That is, the expansion direction of the menu at the next level is set to the outer periphery of the menu at the previous level and toward the area a.
The embodiment of the invention not only enables the display of the menu to be flexibly adapted to different display interfaces, but also selects the direction corresponding to the region with the minimum area as the expansion direction of the next-level menu according to the size of the area of the circle of the previous-level menu in the four regions divided by the preset coordinate system, thereby expanding the menus with more levels.
Further, the region acquiring module 120 is further configured to:
and generating a vector corresponding to each area in the four areas according to the area of the circle of the previous-level menu falling in the four areas divided by the preset coordinate system, wherein the vector is the area of the previous-level menu in the four areas, the vector direction takes the center of the display interface as a starting point, and the vertex of the angle of the display interface falling in the area as an end point.
The region setting module 130 is further configured to:
and synthesizing a vector corresponding to each area, and taking the opposite direction of the synthesized vector as the expansion direction of the next level menu.
Referring to fig. 8, a coordinate system having the center of a display interface as an origin, a horizontal direction as an X axis, and a vertical direction as a Y axis divides the display interface into four regions a, b, c, d. First, through step S150, the area of the circle in which the previous menu is located in the four areas divided by the preset coordinate system is calculated. Then, a vector corresponding to each area is generated in each region. The vector size is the area of the previous menu in the four regions, the vector direction is from the center of the display interface as the starting point, and the vertex of the angle of the display interface falling in the region is the end point. The vector line equally divides the area of the region into two parts, which are equal lines of the planar area weight. Such as vectors t1, t2, t3, t4 in regions a, b, c, d in fig. 8. Finally, the vectors t1, t2, t3 and t4 are synthesized into a vector V, and the opposite direction V' of the synthesized vector V is used as the expansion direction of the next menu.
The embodiment of the invention not only enables the display of the menu to be flexibly adapted to different display interfaces, but also selects the direction corresponding to the region with the minimum area as the expansion direction of the next-level menu according to the size of the area of the circle of the previous-level menu in the four regions divided by the preset coordinate system, thereby expanding the menus with more levels.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes that can be directly or indirectly applied to other related technical fields using the contents of the present specification and the accompanying drawings are included in the scope of the present invention.

Claims (6)

1. A method for expanding a multi-level menu, comprising the steps of:
when an expansion instruction of a next-level menu is detected, acquiring the center and the radius of a circle where the previous-level menu is located and the center and the radius of the circle where the next-level menu is located;
acquiring a theoretical display area of a next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located;
acquiring an area which does not exceed the boundary of a display interface in a theoretical display area of a next-level menu;
taking the area which does not exceed the boundary of the display interface as the actual display area of the next level menu;
according to a preset coordinate system of a display interface, calculating the area of a circle of the previous-level menu in four areas divided by the preset coordinate system, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an original point, the horizontal direction as an X axis and the vertical direction as a Y axis;
generating a vector corresponding to each area in the four areas, wherein the size of the vector is the size of the area of the previous-level menu in the four areas, the direction of the vector is the starting point which is the center of the display interface, and the vertex of the angle of the display interface in the area is the terminal point;
and synthesizing a vector corresponding to each area, and taking the opposite direction of the synthesized vector as the expansion direction of the next level menu.
2. The method as claimed in claim 1, wherein the theoretical display area of the next menu is formed by the circumference of the circle where the previous menu is located and the circumference of the circle where the next menu is located.
3. The method for expanding the multi-level menu according to claim 2, wherein the obtaining of the area which does not exceed the boundary of the display interface in the theoretical display area of the next-level menu comprises:
judging whether each point of the theoretical display area of the next-level menu exceeds the boundary of the display interface or not;
and taking the area formed by the points which do not exceed the boundary of the display interface as the area which does not exceed the boundary of the display interface.
4. An apparatus for expanding a multi-level menu, comprising:
the detection module is used for acquiring the center and the radius of a circle where the previous-level menu is located and the center and the radius of the circle where the next-level menu is located when the expansion instruction of the next-level menu is detected;
the region acquisition module is used for acquiring a theoretical display region of a next-level menu according to the circle center and the radius of the circle where the previous-level menu is located and the circle center and the radius of the circle where the next-level menu is located, and acquiring a region which does not exceed the boundary of the display interface in the theoretical display region of the next-level menu;
the area setting module is used for taking an area which does not exceed the boundary of the display interface as an actual display area of a next-level menu; wherein,
the area acquisition module is further used for calculating the area of the circle of the previous-level menu in four areas divided by the preset coordinate system according to the preset coordinate system of the display interface, wherein the preset coordinate system is a coordinate system formed by taking the center of the display interface as an origin, the horizontal direction as an X axis and the vertical direction as a Y axis;
the region setting module is further configured to generate a vector corresponding to each area in the four regions, where the size of the vector is the size of the area of the previous-level menu in the four regions, the direction of the vector is a starting point at the center of the display interface, a vertex of an angle where the display interface falls in the region is an end point, synthesize the vector corresponding to each area, and use the opposite direction of the synthesized vector as the expanding direction of the next-level menu.
5. The device for expanding multi-level menus according to claim 4, wherein said theoretical display area of said next level menu is formed by the circumference of the circle where the previous level menu is located and the circumference of the circle where the next level menu is located.
6. The apparatus for expanding a multi-level menu according to claim 5, wherein the region acquiring module is further configured to:
judging whether each point of the theoretical display area of the next-level menu exceeds the boundary of the display interface or not; and taking the area formed by the points which do not exceed the boundary of the display interface as the area which does not exceed the boundary of the display interface.
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