JP6271879B2 - Display device and display method - Google Patents

Description

  The present invention relates to a display device installed such that a display screen is in a horizontal posture, and a display method in the display device.

  2. Description of the Related Art In recent years, various types of table-type displays used in gathering meetings have been put into practical use. In particular, a table-type display in which a touch panel is integrated with a display is attracting attention because a plurality of users can use it at the same time for discussion.

  In such a table-type display, when a plurality of users are seated face-to-face around the table-type display and display one image, it is easy for the user who faces the image to read, but is not facing the image. There is a problem that it is difficult for users to read. In order to solve this problem, various inventions for displaying images in a form that is easy for a user to read have been proposed.

  Patent Document 1 discloses a system for performing cooperative work using a shared display. In this system, flags of information that may be presented in advance are allocated, metadata including the flags is accumulated, and when presenting each piece of information to each participant, the content and form to be presented are used in the metadata. Can be determined and sent to the image display device for each participant, so that only the information required by each participant can be presented on the shared display, or the information can be presented in an easy-to-view format. Is possible.

  Patent Document 2 discloses a display device that can display an original image in a standby state in accordance with an operation of moving the original image from which the contents of the electronic document can be read. In this display device, a work area and a standby area are provided in the display area inside the edge of the screen of the table type display device, and a virtual area is provided in a non-display area outside the edge of the screen, which is displayed in the work area. When the original image is dragged to the standby area and released, the original image is displayed as a thumbnail.

JP 2005-165603 A JP 2008-217742 A

  However, since the system of Patent Literature 1 is configured to store in advance metadata such as the type, default position / orientation, position option, and direction option in addition to the contents of each information, for example, the number of users Alternatively, when the position changes, it is necessary to reset information that may be presented and its metadata, and it is not possible to present information in an easy-to-view format for each user.

  The display device of Patent Document 2 can display an original image that can read the contents of an electronic document in a standby state, but cannot display the original image in the correct direction for all users.

  The present invention has been made in view of such circumstances, and when the moved image reaches a predetermined position on the display screen, the display device is used by changing the display direction of the image. It is an object of the present invention to provide a display device and a display method capable of easily and quickly displaying an image in the correct direction for all users even when the number or position of a person changes.

A display device according to the present invention is a display device that includes a display unit for displaying an image and is installed so that a display screen of the display unit is in a horizontal posture, and duplicates an image by a predetermined method. Image duplicating means, image distributing means for distributing the image duplicated by the image duplicating means, operation detecting means for detecting a moving operation for moving the duplicated image on the display screen by the image distributing means, In response to the detection of the moving operation by the operation detecting means, the position detecting means for detecting the position information of the moved image, and the moved image based on the position information of the image detected by the position detecting means A determination unit that determines whether or not the detection line set at a position near one side of the display screen has been reached; and the determination unit determines that the moved image has reached the detection line ; said the one image Characterized in that it comprises a display control means for displaying as positive against the.

In the display device according to the present invention, the position detection unit detects the coordinates of a specific point in the moved image as the position information, and the determination unit detects the specific point detected by the position detection unit. It is characterized in that it is determined whether or not the moved image has reached the detection line by comparing the coordinates of the point with the coordinates of the detection line stored in advance.

Display device according to the present invention, the display screen is rectangular, before Symbol display control means, when the moving image by the determining unit determines that reaches the detection line, identifying the image It is characterized in that the display is made so that the side of the side faces the one side.

In the display device according to the present invention, when the display control unit determines that the moved image has reached the detection line by the determination unit, the image is displayed until the specific side faces the one side. It is characterized by being rotated.

A display method according to the present invention is a display method in a display device that includes a display unit for displaying an image and is installed so that a display screen of the display unit is in a horizontal posture, and is a predetermined method. Duplicating an image, distributing the duplicated image, detecting a movement operation that moves the duplicated image on the display screen by distribution, and detecting position information of the moved image according to the detection of the movement operation And detecting whether or not the moved image has reached a detection line set at a position near one side of the display screen based on the position information of the detected image. When it is determined that the detection line has been reached, the image is displayed so as to face the one side .

According to the present invention, by using the display device as described above, even when the number or position of users of the display device changes, an image is displayed in a correct direction for all users easily and quickly. can do. Further, the user of the display device, the only simple copy operations and move operations, as well as distribute replicated easily materials represented by the image displayed on the display screen in addition to the user, to all users In contrast, materials can be presented in the correct direction.

It is a block diagram which shows the structure of the display apparatus which concerns on embodiment of this invention. It is a conceptual diagram for demonstrating the state before distributing material with the display apparatus which concerns on embodiment of this invention. It is a conceptual diagram explaining a user's distribution operation. It is a conceptual diagram explaining a user's distribution operation. It is a conceptual diagram explaining a user's distribution operation. It is a conceptual diagram explaining a user's distribution operation. It is a conceptual diagram for demonstrating the effect which distributed the data with the display apparatus which concerns on embodiment of this invention. It is a flowchart which shows the process sequence of the distribution operation process of a control part. It is a flowchart which shows the procedure of the process which changes the direction of a display of a copy image.

  FIG. 1 is a block diagram showing a configuration of a display device 1 according to an embodiment of the present invention. The display method according to the present invention is executed by the display device 1. The display device 1 includes a control unit 11, a temporary storage unit 12, a storage unit 13, a display unit 14, a display control unit 15, a position detection unit 16, and a coordinate information processing unit 17.

  The control unit 11 uses an arithmetic processing unit such as a CPU or MPU, and reads the program stored in the storage unit 13 into the temporary storage unit 12 and executes the program, thereby displaying the display unit 14, the display control unit 15, and the position detection unit. 16 and the coordinate information processing unit 17 are controlled. The control part 11 comprises the determination means of this invention.

  The temporary storage unit 12 uses a RAM such as SRAM or DRAM. The temporary storage unit 12 stores the program read as described above, and stores information generated by the processing of the control unit 11 and the like. Information stored in the temporary storage unit 12 is written and read by the control unit 11.

  The storage unit 13 uses a nonvolatile memory such as an EEPROM (Electrically Erasable Programmable ROM) or a flash memory. The storage unit 13 stores a program executed by the control unit 11, conditions that the control unit 11 refers to during control, for example, coordinates of intersections of display rotation detection lines described later, and a program for realizing the functions of the display device 1. And data are stored in advance. In addition, other application software programs in the display device 1 may be stored. The storage unit 13 may be an external device such as a hard disk or SSD.

  The display unit 14 is configured by a liquid crystal display, for example. In the present embodiment, the display unit 14 has a rectangular display screen 20 (see FIG. 2), which will be described later, and is installed so that the display screen 20 is in a horizontal posture. The display unit 14 displays an image according to the control of the display control unit 15 described later.

  The position detection unit 16 includes a touch panel 161. The touch panel 161 is provided so as to cover the display screen of the display unit 14. The position detection unit 16 accepts operations such as a click, a double click, a move, and a flick with an pointing tool such as a touch pen or a finger.

  The position detection unit 16 detects coordinate information representing the operation position on the display screen of the pointing tool and coordinate information representing the position on the display screen of the image to be operated, and outputs the detected coordinate information to the control unit 11. The position detection unit 16 constitutes a position detection unit of the present invention. Further, the position detection unit 16 may be configured to have a pointing device such as a mouse or a keyboard.

  In the present embodiment, the coordinate information is information that represents the position in the display screen of the display unit 14 with XY coordinates. For example, as shown in FIG. 2, which will be described later, when the display screen is rectangular and one side that is the long side of the display screen is the front side, the upper left corner of the display screen is the origin, and the right direction is the X axis. The positive direction and the downward direction are expressed as coordinates with the positive direction of the Y axis.

  The coordinate information processing unit 17 detects the content of the operation based on the coordinate information of the operation position output from the position detection unit 16 and notifies the control unit 11 of it. The coordinate information processing unit 17 constitutes an operation detection unit of the present invention.

  In the present embodiment, for example, when the touch panel 161 accepts a multi-touch operation with two fingers or both hands, the coordinate information processing unit 17 performs copying based on the coordinate information of the operation position output from the position detection unit 16. It is determined whether it is an operation. Specifically, when the coordinates of one operation position are fixed and the coordinates of the other operation position change, it is determined that the operation is a copy operation. When the coordinates of both operation positions change, it is determined that the pinch out or the pinch in.

  The display control unit 15 includes an operation information generation unit 151, an image processing unit 152, and an image composition unit 153, and controls display on the display unit 14 in accordance with an instruction from the control unit 11. The display control unit 15 constitutes the display control means of the present invention.

  When the position detection unit 16 receives a touch operation, the operation information generation unit 151 generates display information necessary for the touch operation such as information displayed when a cursor or an image is selected. The image processing unit 152 processes the image according to the content of the operation detected by the coordinate information processing unit 17 and is used for, for example, copying, moving, and rotating the image. The image composition unit 153 synthesizes the display information generated by the operation information generation unit 151 and the image processed by the image processing unit 152 to generate image data of an image to be displayed on the display unit 14.

  FIG. 2 is a conceptual diagram for explaining a state before the material is distributed on the display device 1 according to the embodiment of the present invention. In FIG. 2, five users are seated around a rectangular display screen 20. Here, among the five users, the user 21 a on the side 21 side which is the long side in the lower part of FIG. 2 puts the material shown on the display screen 30 displayed in the right direction on the side 21. Distribution is made to two users 22a and 22b on the opposite side 22 side and to two users 23a and 24a on the sides 23 and 24 which are short sides on both sides.

  In FIG. 2, display rotation detection lines 21 </ b> D, 22 </ b> D, 23 </ b> D, and 24 </ b> D are indicated on the display screen 20 by dotted lines. The display rotation detection lines 21D, 22D, 23D, and 24D are imaginary lines that are located in the vicinity of the sides 21, 22, 23, and 24 of the display screen 20, and are parallel to the sides 21, 22, 23, and 24, respectively. This is set in advance in order to determine whether or not the obtained image has reached a predetermined position on the display screen 20. In the case shown in FIG. 2, when a specific point in the moved image reaches between the display rotation detection lines 22D, 23D, 24D and the sides 22, 23, 24, the moved image is displayed on the display screen. It is determined that 20 predetermined positions have been reached. The distances between the display rotation detection lines 21D, 22D, 23D, and 24D and the sides 21, 22, 23, and 24 of the display screen 20 can be arbitrarily set according to the size of the display screen 20.

In the present embodiment, the specific point in the moved image is the center point of the image, but is not limited to the center point, and may be an arbitrary point in the image. In addition, the coordinates A (X _Dmin , Y _Dmin ) of the intersection A of the display rotation detection lines 22D and 24D and the coordinates B (X _Dmax , Y _Dmax ) of the intersection B of the display rotation detection lines 21D and 23D are coordinates for determination. Whether or not the moved image has reached a predetermined position on the display screen by comparing the coordinates of the center point of the moved image and the coordinates of the intersection point stored in advance. Determine.

  3 to 6 are conceptual diagrams for explaining the distribution operation of the user 21a. The distribution to the user 22a will be described as an example. In the present embodiment, the pointing tool is both hands of the user 21a. As shown in FIG. 3, the user 21 a presses the image 30 displayed on the display screen with the left hand 2 and the right hand 3. Next, as shown in FIG. 4, the user 21 a keeps pressing the image 30 with the left hand 2 and slides the right hand 3 to instruct the copying operation of the image 30. The image 30 is copied according to the operation of the user 21a, and the copy image 31 is displayed on the display screen 20.

  Next, the copy image 31 is moved on the display screen 20. The operation for moving the copy image 31 may be a slide operation shown in FIG. 5 or a repelling operation shown in FIG. In FIG. 5, the user 21a continues the slide operation of the right hand 3 and moves the copy image 31 in the direction of the user 22a that is the distribution destination. The copy image 31 moves on the display screen 20 as the right hand 3 moves. When the center point of the copy image 31 reaches the display rotation detection line 22D on the side 22 side, the copy image 31 is rotated until the ground side faces the side 22 so that the top-to-bottom direction is reversed. Thus, the copy image 31 is displayed in the correct direction for the user 22a.

  In FIG. 6, the user 21 a flips the copy image 31 with the right hand 3 in the direction of the user 22 a that is the distribution destination. In response to the repelling action of the right hand 3, the copy image 31 moves on the display screen 20 along the repelling direction of the right hand 3. Here, it is preferable to move the copy image 31 slowly so that it can be seen that the material is distributed. When the center point of the copy image 31 reaches the display rotation detection line 22D on the side 22 side, the copy image 31 is rotated until the ground side faces the side 22 so that the top-to-bottom direction is reversed. Thus, the copy image 31 is displayed in the correct direction for the user 22a.

  FIG. 7 is a conceptual diagram for explaining the effect of distributing the material on the display device 1 according to the embodiment of the present invention. The user 21a copies the image 30 by the operation shown in FIGS. 3 and 4, and copies the copy images 31, 32, 33, and 34 formed by the copy by the operation shown in FIGS. 5 and 6 respectively. It moves in the direction of the users 22a, 22b, 23a, 24a.

  As shown in FIG. 7, the ground sides of the copy images 31, 32, 33, and 34 are displayed facing the sides 22, 23, and 24 for the users 22a, 22b, 23a, and 24a, respectively. Thus, when the user is seated as shown in FIG. 2, the user 21 a repeats the copy operation and the move operation four times, so that the image 30 displayed on the display screen 20 without preparing in advance. Can be easily distributed and presented to each user in the correct direction.

  FIG. 8 is a flowchart showing the processing procedure of the distribution operation processing of the control unit 11. When the pointing tool touches the display screen 20, this process is started.

  The control unit 11 determines whether or not there is a notification from the coordinate information processing unit 17 that a copy operation has been detected (step S1). If it is determined that there is no notification that the copy operation has been detected from the coordinate information processing unit 17 (step S1: NO), the control unit 11 advances the processing to step S3 described later.

  When it is determined that there is a notification that the copy operation has been detected from the coordinate information processing unit 17 (step S1: YES), the control unit 11 instructs the display control unit 15 to perform the copy operation (step S2). In response to an instruction from the control unit 11, the display control unit 15 causes the display unit 14 to display the same copy image as the image to be copied.

  The control unit 11 determines whether or not the coordinates of the operation position output from the position detection unit 16 have changed (step S3). When it is determined that the coordinates of the operation position output from the position detection unit 16 have not changed (step S3: NO), the control unit 11 determines whether or not a predetermined time, for example, 1 second has been exceeded (step S4). If it is determined that the predetermined time has been exceeded (step S4: YES), the process is terminated.

  When it determines with the control part 11 not having exceeded predetermined time (step S4: NO), a process is returned to step S3. When it is determined that the coordinates of the operation position output from the position detection unit 16 have changed (step S3: YES), the control unit 11 determines whether or not the coordinate information processing unit 17 has notified that a repelling operation has been detected. Determine (step S5).

  When it is determined that the notification that the repelling motion has been detected has been received from the coordinate information processing unit 17 (step S5: YES), the control unit 11 sets the current mode to the repelling mode (step S6), and the repelling mode is set. The display control unit 15 is instructed to move and display the copy image (step S7). In response to an instruction from the control unit 11, the display control unit 15 displays the moved copy image so as to move slowly on the display screen 20 in the direction of repelling.

  When it is determined that there is no notification that the repelling motion is detected from the coordinate information processing unit 17 (step S5: NO), the control unit 11 sets the current mode to the drag mode (step S8), The display control unit 15 is instructed to move and display the copy image (step S9). In response to an instruction from the control unit 11, the display control unit 15 displays the copy image to be moved so as to move on the display screen 20 according to the movement of the pointing tool.

  The control unit 11 determines whether or not the center point of the moved copy image has reached the display rotation detection line (step S10), and if the center point of the moved copy image has not reached the display rotation detection line. When it determines (step S10: NO), a process is returned to step S5.

  If the control unit 11 determines that the center point of the moved copy image has reached the display rotation detection line (step S10: YES), the display control unit 15 changes the display direction of the moved copy image. (Step S11). The display control unit 15 changes the display direction of the moved copy image in accordance with an instruction from the control unit 11.

  The control unit 11 pastes the moved copy image (step S12). Next, the control part 11 clears a mode (step S13), and complete | finishes a process.

FIG. 9 is a flowchart showing a processing procedure for changing the display direction of the copy image. The control unit 11 determines whether the Y coordinate of the center point of the moved copy image is smaller than the Y coordinate Y _Dmin of the intersection A described above (step S111).

When it is determined that the Y coordinate of the center point of the moved copy image is smaller than the Y coordinate Y _{Dmin of the} intersection A (step S111: YES), the control unit 11 displays that the moved copy image is rotated by 180 degrees. The control unit 15 is instructed (step S112), and the process is returned.

When the control unit 11 determines that the Y coordinate of the center point of the moved copy image is not smaller than the Y coordinate Y _{Dmin of the} intersection A (step S111: NO), the X coordinate of the center point of the moved copy image is It is determined whether or not it is larger than the X coordinate X _Dmax of the intersection B described above (step S113).

If the control unit 11 determines that the X coordinate of the center point of the moved copy image is larger than the X coordinate X _{Dmax of the} intersection B (step S113: YES), the controller 11 moves the moved copy image 90 in the counterclockwise direction. The display control unit 15 is instructed to rotate the image (step S114), and the process returns.

When the control unit 11 determines that the X coordinate of the center point of the moved copy image is not larger than the X coordinate X _{Dmax of the} intersection point B (step S113: NO), the X coordinate of the center point of the moved copy image is the intersection point. It is determined whether or not it is smaller than the X coordinate X _{Dmin of} A (step S115).

When the control unit 11 determines that the X coordinate of the center point of the moved copy image is smaller than the X coordinate X _{Dmin of the} intersection A (step S115: YES), the moved copy image 270 in the counterclockwise direction. The display control unit 15 is instructed to rotate the image (step S116), and the process returns.

When the control unit 11 determines that the X coordinate of the center point of the moved copy image is not smaller than the X coordinate X _{Dmin of the} intersection A (step S115: NO), the Y coordinate of the center point of the moved copy image is It is determined whether or not the Y coordinate Y _Dmax of the intersection point B is larger (step S117).

When the control unit 11 determines that the Y coordinate of the center point of the moved copy image is larger than the Y coordinate Y _{Dmax of the} intersection B (step S117: YES), the controller 11 displays that the moved copy image is rotated by 0 degrees. The control unit 15 is instructed (step S118), and the process is returned.

When it is determined that the Y coordinate of the center point of the moved copy image is not larger than the Y coordinate Y _{Dmax of the} intersection B (step S117: NO), the control unit 11 keeps the screen (step S119) and returns the process. To do.

  In the above embodiment, the display rotation detection line is applied to a rectangular display screen, but may be applied to a display screen of another shape as necessary.

  In the above embodiment, the example in which the image is displayed so that the ground side faces the side of the display screen has been described. However, if necessary, the image can be displayed so that any specific side faces the side of the display screen. May be.

  In the above embodiment, the example in which the image rotation process is displayed when the image reaches a predetermined position has been described. However, the image rotation process may not be displayed.

  The display device (1) according to the present invention includes a display unit (14) for displaying an image (30, 31, 32, 33, 34), and the display screen (20) of the display unit (14) is horizontal. An operation detecting means for detecting a moving operation for moving an image (30, 31, 32, 33, 34) displayed on the display screen (20), which is a display device (1) installed in a posture. (17), position detection means (16) for detecting position information of the moved images (31, 32, 33, 34) in response to detection of the movement operation by the operation detection means (17), and the position Based on the position information of the image (31, 32, 33, 34) detected by the detection means (16), the moved image (31, 32, 33, 34) is a predetermined position on the display screen (20). Determination means (11) for determining whether or not the value reaches When it is determined in (11) that the moved image (31, 32, 33, 34) has reached the predetermined position, the display orientation of the image (31, 32, 33, 34) is changed. Display control means (15) to be provided.

  In the present invention, when the moved image enters a predetermined area, the display orientation can be automatically changed. Thus, even when the number or position of users of the display device changes, it is possible to display an image in the correct direction for all users easily and quickly. In addition, the user of the display device can easily distribute the material indicated by the image displayed on the display screen to other users with a simple movement operation and present the material in the correct direction to all users. Make it possible.

  In the display device (1) according to the present invention, the position detection means (16) detects coordinates of a specific point in the moved image (31, 32, 33, 34) as the position information. The determination unit (11) compares the coordinates of the specific point detected by the position detection unit (16) with the coordinates of the predetermined position stored in advance, thereby moving the moved image (31). , 32, 33, 34) is determined whether or not a predetermined position of the display screen (20) has been reached.

  In the present invention, the coordinates of the specific point in the moved image are compared with the coordinates of a predetermined position stored in advance, and it is determined whether or not the moved image has reached a predetermined position on the display screen. Thus, it is possible to automatically change the display direction of the image when the image is moved to a predetermined position.

  In the display device (1) according to the present invention, the display screen (20) is rectangular, and the predetermined position is in the vicinity of a predetermined side (21, 22, 23, 24) of the display screen (20). The display control means (15) determines that the moved image (31, 32, 33, 34) has reached the predetermined position by the determination means (11). The image (31, 32, 33, 34) is displayed so that a specific side faces the one side (21, 22, 23, 24).

  In the present invention, even if an image is moved to the vicinity of any one side of the display screen, it can be displayed in the correct direction for the user on that side. In this way, the user of the display device can easily distribute the material indicated by the image displayed on the display screen to other users by a simple movement operation, and also provide the material in the correct direction to all users. Allows to present.

  In the display device (1) according to the present invention, the display control means (15) is such that the image (31, 32, 33, 34) moved by the determination means (11) has reached the predetermined position. The image (31, 32, 33, 34) is rotated until the specific side faces the one side (21, 22, 23, 24).

  In the present invention, when it is determined that the moved image has reached a predetermined position, the image is rotated until a specific side faces a predetermined side in order to improve the realism at the time of document distribution. Make it possible.

  The display method according to the present invention includes a display unit (14) for displaying an image (30, 31, 32, 33, 34), and the display screen (20) of the display unit (14) is in a horizontal posture. In the display method of the display device (1) installed as described above, a movement operation for moving an image (30, 31, 32, 33, 34) displayed on the display screen (20) is detected, and the movement In response to the detection of the operation, position information of the moved image (31, 32, 33, 34) is detected, and based on the detected position information of the image, the moved image is displayed on a predetermined screen. It is determined whether or not a position has been reached, and when it is determined that the moved image has reached the predetermined position, the display direction of the image is changed.

  In the present invention, when the moved image enters a predetermined area, the display orientation can be automatically changed. Thus, even when the number or position of users of the display device changes, it is possible to display an image in the correct direction for all users easily and quickly. In addition, the user of the display device can easily distribute the material indicated by the image displayed on the display screen to other users with a simple movement operation and present the material in the correct direction to all users. Make it possible.

  The embodiment disclosed this time is to be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the meanings described above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

DESCRIPTION OF SYMBOLS 1 Display apparatus 11 Control part 12 Temporary storage part 13 Storage part 14 Display part 15 Display control part 151 Operation information generation part 152 Image processing part 153 Image composition part 16 Position detection part 161 Touch panel 17 Coordinate information processing part 20 Display screen

Claims (5)

A display device that includes a display unit for displaying an image and is installed so that a display screen of the display unit is in a horizontal posture,
Image duplicating means for duplicating the image in a predetermined method;
Image distributing means for distributing the image copied by the image copying means;
Operation detecting means for detecting a moving operation for moving the duplicated image on the display screen by the image distributing means;
Position detecting means for detecting position information of the moved image in response to detection of the moving operation by the operation detecting means;
Determination means for determining whether or not the moved image has reached a detection line set at a position near one side of the display screen, based on position information of the image detected by the position detection means;
A display device comprising: a display control unit configured to display the image so as to face the one side when the determination unit determines that the moved image has reached the detection line . The position detecting means detects coordinates of a specific point in the moved image as the position information;
The determination means compares the coordinates of the specific point detected by the position detection means with the coordinates of the detection line stored in advance, to determine whether or not the moved image has reached the detection line . The display device according to claim 1, wherein the display device is determined. The display screen is rectangular ;
Before Symbol display control means that the moving image by the determining means when it is determined that reaches the detection line, the image is particular side are so as to be displayed as directly facing the one side the The display device according to claim 1, wherein: In the case where the display control unit determines that the moved image has reached the detection line by the determination unit, the display control unit rotates the image until the specific side faces the one side. The display device according to claim 3, wherein A display method for a display device that includes a display unit for displaying an image and is installed so that a display screen of the display unit is in a horizontal posture,
Duplicate the image in a predetermined way,
Distribute the duplicated image,
Detecting a movement operation of moving the duplicated image on the display screen by distribution;
In response to detection of the movement operation, position information of the moved image is detected,
Based on the position information of the detected image, it is determined whether the moved image has reached a detection line set at a position near one side of the display screen,
When it is determined that the moved image has reached the detection line , the image is displayed so as to face the one side .

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