JP2010217748A - Display device and display program - Google Patents

Abstract

An object of the present invention is to provide a display device and a display program in which the ease of selecting a desired item or region is improved in a display device capable of detecting a contact position on a display screen.
Contact position detection means for detecting a position where an operator touches a display screen as a contact position t, instruction image display position calculation means for calculating a cursor display position d based on the contact position t, a cursor Display control means for displaying a cursor 50 indicating the indicated position s at the display position d on the display screen 35, and indicated position calculating means for calculating an indicated position s different from the touch position t based on the touch position t. It has the composition which is.
[Selection] Figure 1

Description

  The present invention relates to a display device having a display screen, which can detect a contact position on the display screen, and a display program.

  2. Description of the Related Art Conventionally, in various fields such as bank automatic cash payout devices and game devices, a touch panel method has been adopted in which various items are selected by directly touching the display screens of these devices.

  The touch panel method is a display device having a display screen, and in a display device capable of detecting a contact position on the display screen, the touch position is determined by contacting the display screen and displayed at the contact position. Performs processing related to items and images.

  Specifically, for example, the CPU of the display device calculates <X coordinate, Y coordinate> from an input signal generated when the display screen is pressed, and the pressed position is an item area on the display screen. Judgment of areas other than. If the pressed position is an item area on the display screen, processing according to the display content is performed.

JP-A-10-326147

  In recent years, as the touch panel display device, for example, a device having a small screen and a narrow selection area, a device adopting a capacitance method that is difficult to input with a conventionally used thin touch pen, etc. Has also been proposed. Particularly in these devices, it is difficult for an operator to make a selection in contact with an item or region desired, and it is preferable to further improve the selection accuracy, and there is still room for improvement.

  The present invention has been made in view of the above circumstances, and provides a display device and a display program with improved ease of selection of desired items and areas in a display device capable of detecting a contact position on a display screen. It is the purpose.

  Hereinafter, means and the like effective for solving the above-described problems will be described while showing functions and effects as necessary.

  (1) A display device according to the present invention is a display device having a display screen, based on the contact position detecting means for detecting a position where an operator touches the display screen as a contact position, and the contact position. Instruction image display position calculating means for calculating an instruction image display position, display control means for displaying an instruction image indicating the instruction position at the instruction image display position on the display screen, and the contact position based on the contact position And a designated position computing means for computing the different designated positions.

  According to this configuration, an instruction position different from the contact position is calculated based on the contact position. An instruction image indicating the instruction position is displayed at the instruction image display position calculated based on the contact position. That is, it is possible to set the instruction position so as to be shifted from the contact position, and it is possible to display an instruction image indicating the instruction position. Therefore, for example, when the finger touches the screen, the instruction position can be set to a part that is not hidden by the finger, so that there is an inconvenience such that the visibility of the instruction image indicating the instruction position is improved and the instruction position is erroneous. Can reduce the possibility of occurrence.

  Further, when an image is displayed on the display screen and the image is designated, when the process corresponding to the image is executed, the process is set corresponding to the display area of the image, and the designated position is the display area. This process is executed when it corresponds to. In this case, the setting of the display area of the image may be set based on the position where the image is actually displayed, which can contribute to improvement of design reliability and reduction of man-hours.

  In this configuration, the indication position is calculated based on the contact position. However, this includes a configuration in which the indication position is directly calculated based on the contact position, and the indication image display position based on the contact position. And a configuration in which the indicated position is indirectly calculated such that the indicated position is calculated based on the indicated image display position.

  In addition, in this configuration, the instruction image display position is calculated based on the contact position, but this includes a configuration in which the contact position is used as the instruction image display position as it is. A configuration in which the position is directly calculated, and a configuration in which the instruction image display position is calculated indirectly such that the instruction position is calculated based on the contact position and the instruction image display position is calculated based on the instruction position. included.

  In this configuration, as the “instruction image indicating the instruction position”, an image that allows the operator to easily recognize the position of an image such as a finger or an arrow is preferably used. Further, the instruction image does not need to indicate the instruction position strictly, and it is sufficient to indicate the range on the display screen to the extent that the operator can recognize.

  (2) When the operator touches the display screen from the touched state, it is determined whether or not a process corresponding to the indicated position is set, and if the process is set, Corresponding processing execution means for executing processing may be provided. As a result, when the operator does not touch the display screen, the processing corresponding to the designated position is executed, so that the touch operation can be easily and intuitively performed. That is, the operator leaves the display screen (for example, removes the finger from the display screen) in a state where the instruction image is displayed at a desired position by touching the display screen (for example, touching the display screen with a finger). As a result, processing corresponding to the designated position can be executed.

  The processing includes displaying information related to the image corresponding to the designated position, changing the image corresponding to the designated position, and the like.

  If no process is executed when the display screen is changed from being touched to not being touched, the process corresponding to the designated position is not set. In this way, an instruction can be given (although the instruction image is displayed and the indicated position is calculated), the corresponding processing is not set, so that any point on the display screen is indicated. It is also possible for the operator to make it difficult to determine whether the process is executed. Thereby, playability can be improved, for example in the game etc. which search the information hidden on the display screen.

  The indicated position calculation means may be configured to calculate the indicated position when the operator has changed from touching the display screen to not touching. In this case, since the indicated position is calculated based on the contact position immediately before leaving, the processing frequency for calculating the indicated position can be reduced, and the calculation processing burden of the display device can be reduced.

  (3) The indicated position may be a position 2 to 10 mm away from the contact position. With such a configuration, it is possible to reduce the possibility of inconvenience of the pointing position overlapping with the finger when the pointing image indicating the pointing position is placed on the display screen, and to move away from the position touched by the finger. The possibility that the operator feels uncomfortable due to the indication of the excessive position can be reduced. In particular, when operating a portable display device, the lower side of the display screen is often hidden by the operator's hand, etc., but since the indicated position is a position away from the contact position, it can be operated intuitively. It is easy to perform and is preferable.

  (4) The display control means may be configured to display the instruction image only while an operator touches the display screen. As a result, the instruction image is not displayed while the operator is not touching the display screen, so that the visibility of the display screen can be improved, and the instruction image is displayed when the operator touches the display screen. Therefore, operational feeling can be improved. Further, by combining with the configuration of (2) above, an instruction image is displayed when the display screen is touched, and after the finger or the like is removed from the display screen, the instruction image is displayed. Since it is not displayed, it can suppress that the instruction | indication image remains on a screen and the visibility of a screen falls.

  (5) Further, the instruction image display position calculating means may set the instruction image display position to a preset position when the instruction image display position exceeds a predetermined range. Thereby, it is possible to prevent the inconvenience that the instruction image is displayed outside a predetermined area (for example, a display screen or a game screen area) or is not displayed in the predetermined area. Here, as the preset position, a display screen, an end area of the game screen area, or the like is set. Further, when the instruction image display position is indicated by a coordinate system including the abscissa X and the ordinate Y, only the one of the abscissa X and ordinate Y that protrudes may be set in advance. For example, when the instruction image display position protrudes in the horizontal direction, the abscissa X is set to a predetermined value.

  (6) The indicated position calculation means may set the indicated position to a preset position when the indicated position exceeds a predetermined range. As a result, it is possible to prevent the instructed position from being set out of a predetermined area (for example, a display screen or a game screen area) or the inconvenience that the instructed position is not set. Here, as the preset position, a display screen, an end area of the game screen area, or the like is set. Further, when the instruction image display position is indicated by a coordinate system including the abscissa X and the ordinate Y, only the one of the abscissa X and ordinate Y that protrudes may be set in advance. For example, when the instruction image display position protrudes in the horizontal direction, the abscissa X is set to a predetermined value.

  (7) The contact position is specified in a two-axis planar coordinate system, and the indicated position calculation means calculates the indicated position by adding or subtracting a preset value only to a numerical value of one axis. Good. As a result, the indicated position can be calculated by adding or subtracting a preset value to the contact position only to the numerical value of one axis, so that the processing load can be reduced and the indicated position can be easily calculated. Can do.

  (8) The contact position detection means detects the another position as an additional contact position when the operator touches another position on the display screen while the contact position is detected, The indicated position calculation means may calculate the indicated position based on the contact position and the additional contact position. As a result, the indicated position calculation means can calculate various indicated positions by combining the contact position and the additional contact position. For example, the distance from the contact position to the designated position is determined according to the distance between the contact position and the additional contact position, or the designated position is calculated to be on the extended line connecting the contact position and the additional contact position. You can do it.

  (9) The instruction image display position calculation means may calculate the instruction image display position based on the contact position and the additional contact position. Thereby, the instruction image display position calculation means can calculate various instruction image display positions by combining the contact position and the additional contact position. For example, the distance from the contact position to the instruction image display position is determined according to the interval between the contact position and the additional contact position, or the instruction image display position is positioned on the extended line connecting the contact position and the additional contact position. And so on. Further, the first instruction image display position is calculated from the contact position, the second instruction image display position is calculated from the additional contact position, and any two points of the instruction image are calculated as the first instruction image display position and the second instruction image display position. When it is arranged at the instruction image display position, the angle of the instruction image can be changed based on the positional relationship between the first instruction image table position and the second instruction image display position.

  (10) The display control means may display the instruction image corresponding to the contact position and the additional contact position. As a result, an image corresponding to the positional relationship between the contact position and the additional contact position can be displayed. For example, when the interval between the contact position and the additional contact position is wide, a long arrow image can be displayed as an instruction image, and when the interval is narrow, a short arrow image can be displayed as the instruction image.

  (11) A display program according to the present invention is based on a contact position detection function for detecting, as a contact position, a position at which an operator is touching the display screen of the display device, and the contact position. An instruction image display position calculating function for calculating an instruction image display position, a display control function for displaying an instruction image indicating an instruction position on the instruction image display position on the display screen, and the contact position based on the contact position And a command position calculation function for calculating different command positions. Thereby, the effect | action and effect of the display apparatus of said (1) are realizable.

  (12) Another display program according to the present invention includes a display screen, a storage unit, and a contact position detection unit that detects a position where an operator touches the display screen as a contact position. A display program stored in the storage unit of the display device, the instruction image display position calculation function for calculating an instruction image display position based on the contact position on the computer of the display device, and the instruction image display position A display control function for displaying an instruction image indicating the instruction position on the display screen, and an instruction position calculation function for calculating the instruction position different from the contact position based on the contact position. As a result, the display screen, the storage unit, the contact position detecting means for detecting the position where the operator is touching the display screen as the contact position, and the fact that the operator has left the display screen are detected as the separation information. The operation and effect of the display device of (1) can be realized in a display device provided with the separation detecting means.

  (13) Further, the display program of the present invention or another display program corresponds to the indicated position when the operator of the display device is not touched from the touched state of the display screen. It is determined whether or not a process to be performed is set, and if the process is set, a corresponding process execution function for executing the process is realized. Thereby, the effect | action and effect of the display apparatus of said (2) are realizable.

  The another display program is provided in a computer of a display device provided with separation detecting means for detecting separation information that the operator has changed from touching the display screen to not touching the display screen. When the separation information is detected, it may be determined whether or not a process corresponding to the designated position is set, and if the process is set, a corresponding process execution function for executing the process may be realized.

(A) Front view of display device, (b) Side view of display device. FIG. 3 is a block diagram illustrating an electrical configuration of a display device. Schematic which shows the storage area of RAM. The flowchart which shows the touch detection interruption process of CPU. The flowchart which shows the calculation processing of the cursor display position of CPU. The flowchart which shows the release detection interruption process of CPU. Flow chart showing calculation processing of CPU indicated position Flow chart showing display command processing of image processor Flowchart showing additional touch detection interrupt processing of the CPU of the second embodiment The schematic diagram which shows the example of a display of a display screen. The schematic diagram which shows the example of a display of a display screen. The schematic diagram which shows the example of a display of a display screen.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1A is a front view of the display device, and FIG. 1B is a side view thereof.

  As shown in FIG. 1, a display screen 35 is arranged at the center of the surface side of the display device 10. Above the display screen 35, a speaker 33 for outputting various sound effects, music and the like is arranged. An operation switch 32 is arranged below the display screen 35. By operating the operation switch 32, the power input of the display device 10 and selection of items displayed on the display screen 35 are performed.

  The display screen 35 includes a liquid crystal display 30 (hereinafter referred to as an LCD 30) and a capacitive touch panel 31 that is a contact position detection unit disposed on the surface side of the LCD 30. The LCD 30 has a display area of 320 dots in the horizontal direction and 480 dots in the vertical direction, and can display various images. The touch panel 31 is formed in substantially the same shape as the LCD 30 when viewed from the front, and an image displayed on the LCD 30 is visible from the front via the touch panel 31. In addition, the touch panel 31 can output information for specifying a place (touch position t which is a contact position) touched by an operator's finger or the like, and the CPU 22 (see FIG. 2) touches based on the information. It is possible to recognize the abscissa X and ordinate Y of the given location. The abscissa X and ordinate Y correspond to the number of dots in the display area of the LCD 30, and the abscissa X can take values from 1 to 320 and the ordinate Y can take values from 1 to 480.

  Next, each display area of the display screen 35 will be described. The display area of the display screen 35 is divided into three in the vertical direction, and the text display area E4 is from the bottom (1 dot) to 130 dots, and various messages to the operator are displayed. The cursor display area E3 displays a cursor whose instruction image is from 131 dots to 450 dots. When the cursor display area is touched with a finger F or the like, the vertical length is 40 dots at an instruction image display position (hereinafter referred to as the cursor display position) d that is 20 dots away from the contact position (hereinafter referred to as the touch position) t. The cursor 50 is displayed. The distance from the touch position t to the cursor display position d is set to 2 to 10 mm, preferably 2 to 5 mm. This is because the cursor 50 is not hidden by the finger F and is displayed at a location that is not too far from the finger. The tip of the cursor 50 points to the designated position s. When the finger F is away from the touched state, the designated position s is selected and the cursor 50 is not displayed. At this time, if a process corresponding to the designated position s (message display or screen display corresponding to the position) is set, the process is executed. The distance from the touch position t to the designated position s is set to 7 to 10 mm. This is because the indication position s is not hidden behind the finger F and is displayed at a location that is not too far from the finger. Note that the touch position t, the cursor display position d, and the instruction position s illustrated in FIG. 1 are not displayed on the actual display screen 35.

  A game image is displayed in the cursor display area E3, and various mysteries are solved by selecting various images in the game image and displaying a message in the text display area E4. Since the game rules and the like are not the main part of the present invention, the description thereof is omitted.

  From the 451 dots to the top (480 dots) of the display screen 35 is an area where buttons are displayed, and a Save button display area E1 and a Config button display area E2 are set in this area. When the operator moves away from the state in which the operator touches the save button display area E1 and the config button display area E2, each button is selected and a corresponding screen (such as a save screen or a config screen) is displayed. .

  Each area is set by storing the range of each XY coordinate in the storage unit of the display device.

  Next, the electrical configuration of the display device 10 will be described. FIG. 2 is a block diagram showing an electrical configuration of the display device.

  As shown in FIG. 1, the CPU 22 is connected to a ROM 23, a RAM 24, a hard disk 25 (hereinafter referred to as “HDD”), an image processor 26, and an interface circuit 27 via a bus 21.

  The ROM 23 stores an OS that performs device initial settings, task management, file management, and the like when the display device 10 is activated. Also, the HDD 25 stores various application programs such as games that run on the OS. Specifically, for example, when the application program is a game, a game program to be executed, image data (background image, finger-shaped cursor image, save screen image, etc.), sound data, and the like are stored. . The application program receives detection information and the like by the touch panel 31 from the OS, and performs various arithmetic processes using the detection information. The RAM 24 is used as a buffer memory or a working memory. That is, the CPU 22 appropriately loads the game program, image data, sound data, and the like stored in the HDD 25 into the RAM 24, and temporarily stores commands, received data, and the like in the RAM 24 as the game progresses. Execute the process according to. Details of the contents stored in the RAM 24 will be described later.

  Note that both the OS and application programs may be stored in the ROM 23 or in the HDD 25. Alternatively, only a part of the OS or application program may be stored in the ROM 23 and the rest may be stored in the HDD 25. Further, the HDD 25 may be excluded from the components depending on the OS to be stored and the capacity of the application program. The division of roles between the OS and the application program can be designed as appropriate, and the OS and application program functions configured as one program may be adopted.

  The image processor 26 reads an image display command written in the RAM 24 from the CPU 22 every predetermined time (for example, every 1/60 seconds), takes image data from the RAM 24 in accordance with the image display command, and writes it in the VRAM 28. The image data written in the VRAM 28 is output to the LCD 30 by the LCD drive circuit 29. The image processor 26, the VRAM 28, the LCD drive circuit 29, and the LCD 30 constitute display control means.

  A touch panel 31, an operation switch 32, and a speaker 33 are connected to the interface circuit 27. When the touch position t is detected by the touch panel 31, position information <Xt, Yt> of the touch position t is input to the CPU 22. Hereinafter, the position information <Xt, Yt> of the touch position t is expressed as a touch position <Xt, Yt>.

  When the operation switch 32 is operated, a corresponding operation signal is input to the CPU 22 via the interface circuit 27. The CPU 22 outputs various sound effects, music, and the like from the speaker via the interface circuit 27.

  Next, touch detection interrupt processing in the CPU 22 will be described. 3 is a schematic diagram showing a storage area of the RAM 24, FIG. 4 is a flowchart showing touch detection interrupt processing in the CPU 22, and FIG. 5 is a flowchart showing calculation processing of the cursor display position in the CPU 22.

  As shown in FIG. 3, the RAM 24 stores the touch position storage area 38 for storing the touch position <Xt, Yt>, the position information <Xd, Yd> of the cursor display position d (hereinafter referred to as the cursor display position <Xd, Yd>). ) And a designated position storage area 37 for storing position information <Xs, Ys> (hereinafter referred to as designated position <Xs, Ys>) of the designated position s. The areas 36, 37, and 38 are rewritten every time the CPU 22 outputs position information. The writing timing and calculation of the position information of each area 36, 37, 38 will be described later. In the RAM 24, a command setting area 40 for transmitting commands from the CPU 22 to the image processing processor 26 is set. Various commands related to image writing are set in the command setting area 40, and the image processor 26 reads the various commands every predetermined time (for example, every 1/60 seconds), and displays an image corresponding to each command in the VRAM 28. Write to. The commands written in the command setting area 40 include a text display command 41 for displaying text, a save image display command 42 for displaying the save screen, a config image display command 43 for displaying the config screen, and a cursor display command 44 for displaying the cursor. Etc.

  A touch detection interrupt process of the CPU 22 constituting the instruction image display position calculation means will be described with reference to the flowcharts of FIGS. The touch detection interrupt process is executed every time the touch position <Xt, Yt> is input to the CPU 22. That is, the CPU 22 performs the monitoring process of the touch position <Xt, Yt> every predetermined time, and the touch detection interrupt process is executed every time the touch position <Xt, Yt> is detected in the monitoring process. This monitoring process is a process defined by the OS, and the touch detection interrupt process is a process defined by the application program.

  When the touch position <Xt, Yt> is detected, the CPU 22 starts a touch detection interrupt process, and stores the touch position <Xt, Yt> in the touch position storage area 38 of the RAM 24 in step S101. In step S102, it is determined whether or not the touch position <Xt, Yt> is within the cursor display area E3. Specifically, it is determined whether the Y coordinate Yt of the touch position <Xt, Yt> is 130 or more and 450 or less. Since the horizontal area of the cursor display area E3 is full of the display screen (from 0 to 320 dots), there is no need to determine Xt.

  If the touch position <Xt, Yt> is within the cursor display area E3, the process proceeds to step S103, and the cursor display position <Xd, Yd> is calculated.

  In the calculation of the cursor display position <Xd, Yd>, first, in step S111 of FIG. 5, the X coordinate Xt of the touch position <Xt, Yt> is set as the X coordinate Xd of the cursor display position <Xd, Yd>. Further, 20 is added to the Y coordinate Yt of the touch position <Xt, Yt> to obtain the Y coordinate Yd of the cursor display position <Xd, Yd>. As a result, the cursor display position <Xd, Yd> is set to a position displaced by 20 from the touch position <Xt, Yt>.

  Next, in step S112, it is determined whether or not the Y coordinate Yd is larger than 410. The meaning of the numerical value 410 will be described later. If the determination is affirmative, the Y coordinate Yd is set to 410 in step S113, and the cursor display position <Xd, Yd> is stored in the cursor display position storage area 36 of the RAM 24 in step S114. If the determination in step S112 is negative, the cursor display position <Xd, Yd> calculated in step S111 is stored in the cursor display position storage area 36 of the RAM 24 as it is.

  Here, the cursor 50 has a length of 40 dots, and the lower end portion of the cursor 50 is a reference point when the cursor 50 is arranged on the display screen 35. Therefore, when the Y coordinate Yd of the cursor display position <Xd, Yd> becomes larger than 410, the cursor 50 does not fit in the cursor display area E3 (the upper part of the cursor 50 protrudes upward from the cursor display area E3). The processes in steps S112 and S113 are processes for correcting it.

  Returning to FIG. 4, when the calculation of the cursor display position <Xd, Yd> is finished in step S103, the cursor display command 44 is stored in the command setting area 40 of the RAM 24 in step S104. The cursor display command 44 includes command type identification information indicating that it is a cursor display command and cursor display position <Xd, Yd>.

  When the CPU 22 finishes the touch detection interrupt process, the CPU 22 returns to the process executed before the interrupt process.

  Next, the release detection interrupt process of the CPU 22 constituting the indicated position calculation means and the corresponding process execution means will be described with reference to the flowcharts of FIGS. FIG. 6 is a flowchart showing the release detection interrupt process of the CPU 22, and FIG. 7 is a flowchart showing the calculation process of the designated position of the CPU 22.

  The release detection interrupt process is executed each time the CPU 22 detects release information that is separation information. The release information is information indicating that the operator is away from touching the display screen 35. That is, the CPU 22 performs the monitoring process of the touch position <Xt, Yt> every predetermined time, and the touch position <Xt, Yt> is detected in the next monitoring process in a state where the touch position <Xt, Yt> is detected in the monitoring process. , Yt> is not detected, release detection interrupt processing is executed. This monitoring process is a process defined by the OS, and the release detection interrupt process is a process defined by the application program.

  When the release information is detected, the CPU 22 clears the cursor display command 44 set in the command setting area 40 of the RAM 24 in step S121. In step S122, the touch position <Xt, Yt> in the RAM 24 is read from the touch position storage area 38. This touch position <Xt, Yt> is the touch position <Xt, Yt> immediately before the release information is detected. In step S123, it is determined whether or not the touch position <Xt, Yt> is within the cursor display area E3. Specifically, it is determined whether the Y coordinate Yt of the touch position <Xt, Yt> is 130 or more and 450 or less. Xt need not be determined in the same manner as in step S102 during the touch interrupt process.

  If the touch position <Xt, Yt> is within the cursor display area E3, the process proceeds to step S124, and the designated position <Xs, Ys> is calculated.

  In the calculation of the designated position <Xs, Ys>, first, in step S141 in FIG. 7, the X coordinate Xt of the touch position <Xt, Yt> is set as the X coordinate Xs of the designated position <Xs, Ys>. Further, 60 is added to the Y coordinate Yt of the touch position <Xt, Yt> to obtain the Y coordinate Ys of the designated position <Xs, Ys>. The numerical value of 60 is from the touch position <Xt, Yt> to the lower end of the cursor 50 (cursor display position <Xd, Yd>) so that the designated position <Xs, Ys> is the position of the tip of the cursor 50. Is a numerical value obtained by adding the vertical length 40 of the cursor 50 to the distance 20.

  Next, in step S142, it is determined whether or not the Y coordinate Ys of the indicated position <Xs, Ys> is greater than 450. If the determination is affirmative, the Y coordinate Ys is set to 450 in step S143, and the designated position <Xs, Ys> is stored in the designated position storage area 37 of the RAM 24 in step S144. If the Y coordinate Ys is greater than 450, it indicates a position that protrudes above the cursor display area E3, so the upper limit of the Y coordinate Ys is set to 450. If the determination in step S142 is negative, the indicated position <Xs, Ys> calculated in step S141 is stored in the indicated position storage area 37 of the RAM 24 as it is.

  Returning to FIG. 6, when the calculation of the designated position <Xs, Ys> is finished in step S124, it is determined in step S125 whether or not the process corresponding to the designated position <Xs, Ys> is set. Specifically, messages are stored in the cursor display area E3 so as to correspond to a plurality of areas, and when the area is designated, the message is displayed in the text display area E4. That is, the message is stored in association with the range of the X coordinate and the Y coordinate. This range may be set corresponding to the display range of an image (for example, a chair, a trash can, a desk, etc.), or may be set regardless of the image. In step S125, it is determined whether or not the designated range includes the designated range <Xs, Ys>. If this determination is affirmed, in step S126, a text display command 41 for displaying a message is written in the command setting area 40, and the release detection interrupt process is terminated. If the determination in step S125 is negative, the release detection interrupt process is terminated as it is.

  If it is determined in step S123 that the touch position <Xt, Yt> is not in the cursor display area E3, it is determined in step S127 whether or not the touch position <Xt, Yt> is in the Save button area. Specifically, a range of X and Y coordinates is set in correspondence with the image of the Save button, and it is determined whether or not the touch position <Xt, Yt> is included in the range. If this determination is affirmed, the Save image display command 42 is written in the command setting area 40, and the release detection interrupt process is terminated.

  If the determination in step S127 is negative, it is determined in step S129 whether or not the touch position <Xt, Yt> is within the Config button area. Specifically, similarly to the Save button, a range of X and Y coordinates corresponding to the image of the Config button is set, and it is determined whether or not the touch position <Xt, Yt> is included in the range. . If this determination is affirmed, the Config image display command 43 is written in the command setting area 40, and the release detection interrupt process is terminated. On the contrary, if the determination is negative, the release detection interrupt process is terminated.

  After completing the release detection interrupt process, the CPU 22 returns to the process executed before the interrupt process.

  Next, display command processing of the image processing processor 26 will be described with reference to FIG. FIG. 8 is a flowchart showing display command processing of the image processor 26.

  The image processor 26 reads various commands related to image writing set in the command setting area 40 at predetermined time intervals, and sequentially writes images corresponding to the respective commands into the VRAM 28. In the following, the commands written in the RAM 24 in the touch detection interrupt process and release detection interrupt process of the CPU 22 will be described with specific command names. The image processor confirms all the commands set in the command setting area 40 every predetermined time, and writes an image corresponding to the command in the VRAM 28.

  In step S151, it is confirmed whether or not the Config image display command 43 has been written. If it has been written, the Config screen is written in the VRAM 28 in step S152. If not written, the process proceeds to step S153 as it is.

  In step S153, it is confirmed whether or not the save image display command 42 has been written. If it has been written, the save screen is written in the VRAM 28 in step S154. If not written, the process proceeds to step S157 as it is.

  In step S155, it is confirmed whether or not the text display command 41 has been written. If it has been written, the text is written in the VRAM 28 in step S156. The text display command includes information on the type and permutation of the text, and the text is written according to this information. If the text display command 41 is not written, the process proceeds to step S157 as it is.

  In step S157, it is confirmed whether or not the cursor display command 44 has been written. If it has been written, the cursor image is written in the VRAM 28 in step S158. The cursor display command also includes a cursor display position <Xd, Yd>, and the cursor image is written in the storage area of the VRAM 28 corresponding to the cursor display position <Xd, Yd>. When the image processor 26 finishes processing all the display commands, the command setting area 40 is cleared in step S159 and the display command processing is ended. Since the command setting area 40 is cleared each time display command processing is executed, for example, when the cursor display command 44 is not written in the next command write by the CPU 22, the cursor 50 is not written to the VRAM 28 and the display screen 35. Also not displayed.

  According to the embodiment described in detail above, the following excellent effects are obtained.

  The cursor display position d is set at a position shifted upward from the touch position t, and the instruction position s is also set at a position indicated by the cursor 50 shifted upward from the touch position t. Accordingly, as shown in FIG. 1, the indication position s pointed to by the cursor 50 can be displayed at a position not hidden by the finger F, so that the visibility of the position indicated by the cursor 50 (indication position s) is improved and the indication position s The ease and certainty of instructions are improved.

  In particular, when operating a portable display device, the lower side of the display screen is often hidden by the operator's hand or the like. However, since the indicated position s is a position away from the touch position t, it can be operated intuitively. It is easy to perform and is preferable.

  Even if the touch position t is near the upper end of the cursor display area E3, the cursor 50 remains at the upper end of the cursor display area E3 by the processing of steps S112 and S113 in FIG. Inconveniences that are outside the cursor display area E3 can be suppressed. Further, since the designated position s also remains at the upper end of the cursor display area E3 by the processing of steps S142 and S143 in FIG. 7, it is possible to suppress the inconvenience that the designated position s is outside the cursor display area E3.

  When the finger F does not touch the display screen 35, release detection interrupt processing is executed, and processing corresponding to the designated position (setting of a text display command in step S126 in FIG. 6 → writing of text in step S156 in FIG. 8). Is executed, the touch operation can be easily and intuitively performed. That is, when the cursor 50 is displayed at a desired position by touching the display screen 35 with the finger F, the processing corresponding to the designated position s can be executed by releasing the finger F from the display screen 35.

  Since the command setting area 40 is cleared in step S159 of FIG. 8, when the finger F is released from the display screen 35, the cursor 50 is not displayed, and it is possible to prevent the cursor 50 from remaining on the display screen 35 and reducing the visibility. .

  In this embodiment, the instruction position <Xs, Ys> is calculated by adding the touch position <Xt, Yt> to the touch position <Xt, Yt>. However, the cursor display position <Xd, Yd> is calculated based on the touch position <Xt, Yt>. The instruction position <Xs, Ys> may be calculated indirectly such that the instruction position <Xs, Ys> is calculated based on the cursor display position <Xd, Yd>.

  In this embodiment, the cursor display position <Xd, Yd> is added to the touch position <Xt, Yt> for calculation. However, the touch position <Xt, Yt> is directly used as the cursor display position <Xd, Yd>. Even if it is used, the designated position <Xs, Ys> is calculated based on the touch position <Xt, Yt>, and the cursor display position <Xd, Yd> is computed based on the designated position <Xs, Ys>. The cursor display position <Xd, Yd> may be calculated indirectly.

  Further, the lower end portion of the cursor 50 is arranged at the cursor display position <Xd, Yd>. However, the upper end portion of the cursor 50 (or the position indicated by the cursor 50) is the cursor display position <Xd, Yd>. In this case, the cursor display position <Xd, Yd> can be used as the designated position <Xs, Ys> as it is.

  In the present embodiment, the instruction position <Xs, Ys> is calculated in the release detection interrupt process. However, the touch position <Xt, Yt> may be calculated in the touch position detection interrupt process.

(Second Embodiment)
In the following embodiments, the configuration in which the CPU 22 detects the additional touch position h that is the additional contact position and calculates the cursor display position d and the designated position s based on the touch position t and the additional touch position h is the first embodiment. It is different from the form. In the present embodiment, the CPU 22 performs additional touch monitoring processing every predetermined time, and when the operator touches the display screen 35 and further touches another position on the display screen 35, the additional touch position is displayed. h is detected, and additional touch detection interrupt processing is executed. FIG. 9 is a flowchart of additional touch detection interrupt processing of the CPU 22, and FIGS. 10 to 12 are schematic diagrams showing display examples of the display screen 35 in the present embodiment.

  When detecting the additional touch position h, the CPU 22 reads the additional touch position h in step S161. Next, the CPU 22 performs calculations related to cursor display based on the touch position t and the additional touch position h.

  As an operation related to cursor display, for example, as shown in FIG. 10, when the direction of the cursor 50 is changed to the arrow a direction by moving the additional touch position h in the arrow A direction, the cursor display position d is changed to the touch position t. Calculate based on. For example, a value obtained by adding 15 dots to the ordinate Yt at the touch position t is set as the ordinate Yd at the cursor display position d. Further, the angle α for rotating the cursor 50 is calculated based on the touch position t and the additional touch position h. As the angle α to be rotated, for example, an angle formed by a straight line passing through the touch position t and the additional touch position h before and after the additional touch position h is moved is used.

  Further, as shown in FIG. 11, when the cursor 50 is moved in the arrow b direction by moving the additional touch position h in the arrow B direction, the cursor display position d is set based on the touch position t and the additional touch position h. Calculate. For example, the cursor display position d is calculated according to the interval between the touch position t and the additional touch position h, or the movement distance of the cursor display position d is calculated according to the movement distance of the additional touch position h.

  As shown in FIG. 12, when the cursor to be displayed is changed from the cursor 50 to the cursor 51 by moving the additional touch position h in the direction of arrow C, the cursor display position d is calculated based on the touch position t. . This is the same as in the case of FIG. As the cursor to be displayed, a cursor set according to the interval between the touch position t and the additional touch position h is displayed, or a cursor set according to the movement distance of the additional touch position h is displayed.

  Next, in step S163, the CPU 22 sets a cursor display command. The cursor display command is stored once in the command setting area 40 of the RAM 24, and the image processor 26 reads the cursor display command when writing the display command, and writes the cursor image in the VRAM 28.

  The cursor display command includes, for example, the cursor display position d and the rotation angle α when the display as shown in FIG. 10 is performed, and the cursor display position d when the display as shown in FIG. 11 is performed. When the display such as 12 is performed, the cursor display position d and the identification information of the cursor image to be displayed are included.

  Next, in step S164, the CPU 22 calculates the designated position s.

  When the display as shown in FIG. 10 is performed, the indication position s is calculated based on the cursor display position d and the rotation angle α calculated in step S162, or directly calculated from the touch position t and the additional touch position h. Thus, the position is set near the tip of the cursor 50. 11 and 12, the indication position s is calculated based on the cursor display position d calculated in step 162, or calculated based on the touch position t and the additional touch position h. The cursor 50 is set to a position near the tip of the cursor 50 (the cursor 50 or 51 in the case of FIG. 12).

  When the operator moves away from one or both of the touch position t and the additional touch position h, processing (corresponding message, screen display, etc.) set corresponding to the designated position s calculated in step S164 is executed. The

  When the additional touch detection interrupt process is completed, the CPU 22 returns to the process executed before the interrupt process.

  In addition, although the case where the additional touch position h was moved was demonstrated to description of the said FIG. 10 thru | or FIG. 12, when the operator left | separated from the additional touch position h and contacted another additional touch position h within predetermined time. Similarly, calculation of the cursor display position d and the designated position s is possible.

  In the second embodiment, when the display as shown in FIG. 10 is performed, the direction of the cursor 50 and the designated position s can be changed according to the movement of the additional touch position h. When the display as shown in FIG. 11 is performed, the cursor display position d and the designated position s can be changed according to the movement of the additional touch position h. When the display as shown in FIG. 12 is performed, the cursor to be displayed can be changed according to the movement of the additional touch position h. Therefore, it is possible to contribute to improvement in operability when the operator designates a predetermined position on the display screen 35.

DESCRIPTION OF SYMBOLS 10 ... Display apparatus, 21 ... Bus, 22 ... CPU, 23 ... ROM, 24 ... RAM, 25 ... Hard disk, 26 ... Image processor, 27 ... Interface circuit, 28 ... VRAM, 29 ... LCD drive circuit, 30 ... Liquid crystal display 31 ... Touch panel, 35 ... Display screen, 50 ... Cursor, t ... Touch position (contact position), d ... Cursor display position (instruction image display position), s ... Instruction position, h ... Additional touch position (additional contact position) , E1 ... Save button display area, E2 ... Config button display area, E3 ... Cursor display area, E4 ... Text display area, F ... Finger

Claims (13)

A display device having a display screen,
Contact position detection means for detecting a position where an operator touches the display screen as a contact position;
Instruction image display position calculating means for calculating an instruction image display position based on the contact position;
Display control means for displaying an instruction image indicating an instruction position on the instruction image display position on the display screen;
Indicated position calculating means for calculating the indicated position different from the contact position based on the contact position;
A display device comprising:   When the operator touches the display screen from the touched state, it is determined whether or not a process corresponding to the indicated position is set, and if the process is set, the process is executed. The display device according to claim 1, further comprising: a corresponding process execution unit.   The display device according to claim 1, wherein the indication position is a position 2 to 10 mm away from the contact position.   The display device according to claim 1, wherein the display control unit displays the instruction image only while an operator touches the display screen.   5. The instruction image display position calculation means sets the instruction image display position to a preset position when the instruction image display position exceeds a predetermined range. 6. The display device described in 1.   6. The display device according to claim 1, wherein the indication position calculation unit sets the indication position to a preset position when the indication position exceeds a predetermined range. 7. The contact position is specified in a plane coordinate system consisting of two axes,
The display device according to claim 1, wherein the indication position calculation means calculates the indication position by adding or subtracting a preset value to only a numerical value of one axis. . The contact position detection means detects the another position as an additional contact position when the operator further touches another position on the display screen while the contact position is detected,
The display device according to claim 1, wherein the indication position calculation unit calculates the indication position based on the contact position and the additional contact position.   The display device according to claim 8, wherein the instruction image display position calculation unit calculates the instruction image display position based on the contact position and the additional contact position.   The display device according to claim 8, wherein the display control unit displays the instruction image corresponding to the contact position and the additional contact position. In the computer of the display device,
A contact position detection function for detecting a position where an operator touches the display screen of the display device as a contact position;
An instruction image display position calculation function for calculating an instruction image display position based on the contact position;
A display control function for displaying an instruction image indicating an instruction position on the instruction image display position on the display screen;
An indicated position calculation function for calculating the indicated position different from the contact position based on the contact position;
Display program for realizing A display program stored in the storage unit of a display device, comprising: a display screen; a storage unit; and a contact position detection unit that detects a position where an operator touches the display screen as a contact position. ,
In the computer of the display device,
An instruction image display position calculation function for calculating an instruction image display position based on the contact position;
A display control function for displaying an instruction image indicating an instruction position on the instruction image display position on the display screen;
An indicated position calculation function for calculating the indicated position different from the contact position based on the contact position;
Display program for realizing In the computer of the display device,
When the operator touches the display screen from the touched state, it is determined whether or not a process corresponding to the indicated position is set, and if the process is set, the process is executed. The display program according to claim 11 or 12, for realizing the corresponding processing execution function.

Images