WO2012111289A1 - Portable terminal device, display control method, and display control program - Google Patents

Portable terminal device, display control method, and display control program Download PDF

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Publication number
WO2012111289A1
WO2012111289A1 PCT/JP2012/000887 JP2012000887W WO2012111289A1 WO 2012111289 A1 WO2012111289 A1 WO 2012111289A1 JP 2012000887 W JP2012000887 W JP 2012000887W WO 2012111289 A1 WO2012111289 A1 WO 2012111289A1
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Prior art keywords
input
display
area
unit
display area
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PCT/JP2012/000887
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French (fr)
Japanese (ja)
Inventor
中尾　雅俊
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パナソニック株式会社
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Publication of WO2012111289A1 publication Critical patent/WO2012111289A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation

Definitions

  • the present invention relates to a mobile terminal device, a display control method, and a display control program.
  • a mobile terminal device such as a mobile phone
  • a mobile terminal device equipped with a so-called touch panel function that performs input by touching on the display screen instead of input by key operation or separately from input by key operation ing.
  • intuitive input can be performed, and input that can be easily understood by the user can be performed.
  • mobile terminals generally have small display screens in general.
  • a small character is input through a touch panel, such as writing a schedule using a schedule function, characters, figures, symbols, etc. may not be input as the user desires.
  • a frame of a size suitable for handwriting is displayed, and the image is reduced to an appropriate size when input is completed.
  • a handwriting input device for displaying a document see, for example, Patent Document 1. According to this handwriting input device, the operator can not write information directly in the handwriting display area on the display screen, but can write information in a frame expanded from the handwriting display range. It is possible to easily perform handwriting input such as many characters and complicated patterns.
  • a display device with a touch panel that scrolls in the horizontal direction (vertical direction) is known (see, for example, Patent Document 2). According to this display device, it is possible to automatically determine the scroll direction and scroll the image toward the beginning of the line.
  • the present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a portable terminal device capable of easily drawing a fine handwritten image with high accuracy, a display control method, and a display control program. .
  • the portable terminal device comprises an input unit for inputting an image through a touch panel, an image inputted by the input unit, and at least a part of an end of an input area for inputting the image by the input unit.
  • a display unit for displaying an input area presentation line to be presented; and a display control section for controlling a display area displayed by the display unit such that an end of the input area is recognized based on the input area presentation line And.
  • the user can understand the distance to the end of the input area, that is, how much space for handwriting input remains, by making it possible to recognize the input area presentation line that is a standard for the input area. It will be easier. Therefore, it becomes possible to draw fine handwritten images easily with high accuracy.
  • the input unit performs control input for controlling the display area, and the display control unit controls the display area based on the control input by the input unit.
  • the input area presentation line can not be confirmed, the input area presentation line can not be confirmed, and the range of the input area is recognized. Even when an operation that can not be performed is performed, a desired input area can be easily recognized by automatically correcting the display area.
  • the display area correction unit corrects the magnification of the display unit such that an end of the input area is recognized based on the input area presentation line.
  • the enlargement ratio is increased too much by the enlargement operation, the input region presentation line can not be confirmed, and an operation is performed such that the range of the input region can not be recognized. Also, by automatically adjusting the enlargement factor, the desired input area can be easily recognized.
  • the display area correction unit corrects the position of the display area such that an end of the input area is recognized based on the input area presentation line.
  • the position or movement amount of the display area is automatically adjusted to obtain the desired.
  • the input area can be easily recognized.
  • the display area correction unit corrects the display area such that a plurality of the input area presentation lines are presented in a direction orthogonal to the input direction by the input unit.
  • the display area correction unit may be configured such that the display area change amount before the correction of the display area and after the correction of the display area is less than or equal to a predetermined amount.
  • the display area can be corrected only when the input area can be recognized by a slight correction of the display area. Therefore, for the user, there is no sense of discomfort in the change of the display area accompanying the enlargement input or the movement input, and the desired input area can be easily recognized.
  • a display control method of the present invention is a display control method for displaying an image input through a touch panel, wherein the image and at least a part of an end portion of an input area for inputting the image Displaying by the display unit an input area presentation line for presenting the display section, and the display section so that an end of the input area is recognized based on the input area presentation line when the image is input Controlling the display area displayed by
  • the user can understand the distance to the end of the input area, that is, how much space for handwriting input remains, by making it possible to recognize the input area presentation line which is a standard of the input area. It will be easier. Therefore, it becomes possible to draw fine handwritten images easily with high accuracy.
  • a display control program of the present invention is a program for causing a computer to execute each step of the display control method described above.
  • the portable terminal device of the present invention it is possible to easily draw a fine handwritten image with high accuracy.
  • Block diagram showing a configuration example of a portable terminal device according to an embodiment of the present invention Diagram for explaining an input area and an input area presentation line in an embodiment of the present invention (A)-(C) The figure for demonstrating the magnifying power control input in embodiment of this invention.
  • B) Diagram for explaining the operation correction process in consideration of the date of the calendar in the embodiment of the present invention Flowchart showing a first operation example when the portable terminal device according to the embodiment of the present invention inputs a handwritten image
  • the mobile terminal device in the embodiment of the present invention broadly includes devices having a display screen such as a mobile phone, a personal digital assistant (PDA), a personal computer, and the like.
  • a device with a small touch panel area for inputting an image is assumed.
  • a portable terminal device will be described as an example.
  • FIG. 1 is a block diagram showing an example of the configuration of a mobile terminal device according to the first embodiment of the present invention.
  • the mobile terminal device 1 shown in FIG. 1 is configured to include an input detection unit 10, a display control unit 20, and a display unit 30.
  • the display control unit 20 is configured to include a magnification ratio calculation unit 21, a movement amount calculation unit 22, and an operation correction unit 23.
  • the input detection unit 10 has a touch panel, and detects a handwriting input by a touch or a press with a finger or the like. For example, when the user moves a finger or the like continuously on the touch panel, the input detection unit 10 detects the movement of the finger or the like as a trajectory.
  • the information (trajectory information) of the locus of the image input (drawn) by the input detection unit 10 is represented by, for example, a set of coordinate information.
  • the input detection unit 10 detects an input for controlling the enlargement ratio of the display unit 30 (magnification ratio control input). Details of the enlargement factor control input will be described later. Further, the input detection unit 10 detects an input (movement input) for moving the display area displayed on the display unit 30. When this movement input is made, the display screen is slid. The details of the movement input will be described later.
  • the image widely includes images such as characters, figures, and symbols, and is mainly assumed to be an image which is difficult to input on a normal screen described later.
  • an input means a finger etc.
  • a touch pen etc. may be sufficient besides a finger, and the input means in which it is difficult to perform fine input with respect to a touch panel is included widely.
  • the display control unit 20 forms an image displayed by the display unit 30.
  • the size of the image input by the input detection unit 10 is larger than the size of the display screen, a part of the image is cut out to form an image to be displayed.
  • the display control unit 20 also controls the display area displayed by the display unit 30.
  • the enlargement ratio of the display unit 30 is controlled to make the display area larger or smaller.
  • the display area is controlled by moving the display area by sliding.
  • the control of the display area by the display control unit 20 includes at least one of control of the display area according to the operation input and correction of the display area by the calculation correction unit 23 described later.
  • the enlargement ratio calculation unit 21 calculates the enlargement ratio of the display unit 30 to be set based on the enlargement ratio control input by the input detection unit 10. That is, the enlargement ratio calculation unit 21 has a function as an input tracking control unit that controls the display area based on the enlargement ratio control input. Details of the enlargement ratio calculation will be described later.
  • an enlargement screen which is a screen having an enlargement factor larger than 1
  • a normal screen which is a screen having an enlargement factor of 1 (equal magnification).
  • the enlarged screen is mainly used when performing detailed input which is difficult for handwriting input on the normal screen, and the normal screen is used when performing normal input. Note that the enlarged screen may be switched in multiple steps, or a reduced screen with an enlargement ratio smaller than 1 can be used.
  • the movement amount calculation unit 22 calculates the movement amount of the display area by the slide based on the movement input by the input detection unit 10. That is, the movement amount calculation unit 22 has a function as an input tracking control unit that performs control of the display area based on movement input. Details of the movement amount calculation will be described later.
  • the calculation correction unit 23 is configured such that, when the image is input by the input detection unit 10, the enlargement ratio or the movement amount of the display area, that is, the display area, so that the end of the input area is recognized based on the input area presentation line. Perform an arithmetic correction process to correct the position of. Details of the calculation correction process will be described later.
  • the input area is a desired area for inputting an image by the input detection unit 10.
  • the input area presentation line is for presenting at least a part of an end such as an outer edge of the input area.
  • the input area presentation line may be used as an essential element for drawing an image in the input area, or the image may be drawn outside the input area, but it is used as a temporary index In some cases.
  • the information of the input area presentation line is stored in a memory (not shown).
  • the grid-like frame line L corresponds to an input area presentation line
  • each area D divided by the frame line L corresponds to an input area. Note that, as shown in FIG. 2, an area in which the respective areas D are connected may correspond to an input area.
  • the display control unit 20 controls the display area so that the range of the input area is recognized when an image is input.
  • the display unit 30 is configured of a liquid crystal panel or the like, and displays an image formed by the display control unit 20. The image is displayed at the enlargement factor set by the display control unit 20 and the position of the display area. Further, the display unit 30 displays an input area presentation line.
  • a display control program for executing each step of the display control method described in the present embodiment is stored in a predetermined memory (not shown) in the mobile terminal device 1.
  • magnification control input mainly, an input by a pinch operation, which will be described later, and an input for designating an end portion of an enlarged area displayed on the enlarged screen on the touch panel are mainly assumed.
  • magnification control input may be performed by any other input method.
  • the touch panel of the input detection unit 10 adopts a multi-touch method, and has a function capable of recognizing simultaneous input to the touch panel by a plurality of fingers or the like.
  • the magnification ratio calculation unit 21 detects the distance between the fingers or the like, that is, the input detection unit 10 The distance (first distance) between the plurality of input coordinates (first input coordinates) is calculated.
  • the input detection unit 10 When the user performs an operation (pinch operation) of widening or narrowing a plurality of fingers or the like FG as shown in FIG. 3A in the state of input to the touch panel, the input detection unit 10 performs a plurality of operations after the operation. Detect input coordinates (second input coordinates). Then, the enlargement ratio calculation unit 21 calculates the distance (second distance) between a plurality of input coordinates (second input coordinates) after the operation detected by the input detection unit 10, that is, an interval of a finger or the like after the operation. Do.
  • the enlargement ratio calculation unit 21 calculates the enlargement ratio of the display screen of the display unit 30 based on the ratio of the first distance to the second distance. For example, as the second distance is longer than the first distance, the enlargement ratio of the display screen of the display unit 30 is larger. On the other hand, as the second distance is shorter than the first distance, the enlargement ratio of the display screen of the display unit 30 decreases.
  • the input detection unit 10 detects an input to the point A and the point B.
  • the enlargement ratio calculation unit 21 recognizes, for example, the point A and the point B as opposing vertices of a rectangle.
  • the enlargement ratio calculation unit 21 calculates the enlargement ratio of the display screen of the display unit 30 so that the point A and the point B are positioned at the facing vertexes of the enlarged screen.
  • the display control unit 20 sets the display screen of the display unit 30 as an enlarged screen of the calculated enlargement factor.
  • movement input in the present embodiment, input by flick operation or slide operation described later is mainly assumed.
  • movement input may be performed by any other input method.
  • the flick operation refers to performing an operation of moving the position of a finger or the like while touching the touch panel surface and releasing the finger while maintaining the moving speed.
  • the slide operation refers to performing an operation of moving a finger or the like in contact with the touch panel and generally releasing the finger or the like in a directly upward direction (a direction away from the touch panel in a direction perpendicular to the touch panel).
  • the input detection unit 10 detects input coordinates (third input coordinates) after the flick operation or slide operation. Then, the movement amount calculation unit 22 calculates the distance between the input coordinates (third input coordinates) after the flick operation or the slide operation and the input coordinates (first input coordinates) before the flick operation or the slide operation.
  • the movement amount calculation unit 22 calculates the movement amount of the display area based on the distance between the first input coordinate and the third input coordinate. Then, the display control unit 20 moves the display area displayed on the display unit 30 based on the calculated movement amount. The display control unit 20 moves the display area so that the moving direction of the finger or the like on the touch panel coincides with the moving direction of the display area displayed by the display unit 30.
  • the calculation correction unit 23 may correct the enlargement ratio or the movement amount so that the frame line LL indicating the end of the input area is displayed on the display unit 30.
  • the end of the input area is, for example, the right end when the handwriting input direction is the horizontal direction, and the lower end when the handwriting input direction is the vertical direction.
  • the calculation correction unit 23 is not in the frame line LL indicating the end of the input area, but in a state in which two or more frame lines L are displayed on the display unit 30, From the line L, the end of the input area may be recognized. For example, when the frame lines L are displayed in a lattice, the end of the input area can be recognized from the distance between the frame lines L.
  • the frame line L counted here is a frame line extending in a direction (vertical direction in FIG. 4C) orthogonal to the image input direction (horizontal direction in FIG. 4C). That is, the calculation correction unit 23 corrects the display area so that the plurality of frame lines L are presented in the direction orthogonal to the input direction by the input detection unit 10.
  • the portable terminal device 1 displays a calendar on the display unit 30 by the calendar function
  • the display shown in FIG. 5A can be considered.
  • the date of the calendar is located outside the display area displayed by the display unit 30. Even in such a case, by performing the calculation correction process, the display unit 30 displays all of the calendar dates or part of the calendar dates as shown in FIG. 5B. .
  • the end of the input area can be recognized from the displayed date interval.
  • the calendar date is displayed in a missing state, if the end of the input area can be recognized, the user can indirectly understand the range of the input area.
  • first correction process a process of correcting by reducing the enlargement factor
  • second correction process a process of correcting the movement amount of the display area
  • the calculation correction unit 23 successively reduces the magnification ratio of 3 times without changing the position of the display area. That is, correction is made to 3 times, 2.9 times, 2.8 times. Then, the arithmetic correction unit 23 determines whether or not the end of the input area can be recognized when displayed at the corrected magnification, and ends the first correction processing when the magnification is corrected to a recognizable magnification. Do. For example, the state shown in FIG. 4A is changed to the state shown in FIG. 4B by the first correction processing.
  • the calculation correction unit 23 sequentially changes the movement amount of the display area without changing the magnification ratio of 3 times. That is, the display area is moved in the end direction of the input area. Then, when the image is displayed on the display unit 30 at the position moved by the corrected movement amount of the display area, the calculation correction unit 23 can determine whether the end of the input area can be recognized or not.
  • the second correction process is ended when the position of the display area is corrected. For example, the state shown in FIG. 4A is changed to the state shown in FIG. 4C by the second correction process.
  • the calculation correction unit 23 may not always perform calculation correction processing, but may perform calculation correction processing only when a predetermined condition is satisfied. For example, when changing the display area, the calculation correction process is performed only when the change amount of the display area before and after the change, that is, before the control of the display area accompanying the input and after the correction is less than a predetermined amount. .
  • the calculation correction unit 23 may perform the first correction processing only when the change amount of the enlargement ratio is 5% or less. In this case, if the end of the input area can be recognized when the enlargement factor before correction is three times and the enlargement factor after correction is 2.9 times, the change in enlargement factor before and after correction is As it is within 5%, the first correction processing is performed. On the other hand, if the end of the input area can be recognized when the enlargement ratio before correction is three times and the enlargement ratio after correction is 2.8%, the change in enlargement ratio before and after correction is 5 Since it is% or more, the first correction process is not performed.
  • the calculation correction unit 23 may perform the second correction process when the end of the input area can be recognized by increasing the movement amount within 5%. .
  • the second correction process may be performed when the overlapping portion of the display area before and after correction is 95% or more.
  • the calculation correction unit 23 determines the movement distance before and after the correction until it can recognize the end of the input area is the length in the end direction of the input area in the display area (for example, the length in the horizontal direction of the display unit 30)
  • the second correction process may be performed when the ratio is 5% or less of
  • the calculation correction unit 23 may perform only one of the first correction processing and the second correction processing as calculation correction processing, or may perform both of them in combination.
  • FIG. 6 is a flowchart showing a first operation example when the portable terminal device 1 inputs a handwritten image.
  • the calculation correction unit 23 performs the first correction processing.
  • the input detection unit 10 detects a magnification control input (magnification operation) (step S101).
  • the enlargement factor calculation unit 21 calculates the enlargement factor of the enlargement screen based on the enlargement factor control input (step S102).
  • the display control unit 20 has two or more frame lines (frame lines extending in a direction orthogonal to the input direction of the image) displayed on the enlarged screen of the enlargement factor calculated by the enlargement factor calculation unit 21. It is determined whether or not (step S103). When the number of frame lines displayed on the enlarged screen is two or more, the end of the input area can be recognized, so the enlargement factor calculation unit 21 determines the calculated enlargement factor (step S104).
  • the calculation correction unit 23 performs a first correction process (step S105).
  • the first correction process is performed, as shown in FIG. 4A, the end of the input area can be recognized by slightly correcting the calculated enlargement factor.
  • the enlargement ratio of the enlarged screen is corrected, and a frame line LL indicating the end of the input area is displayed by the display unit 30 as shown in FIG. 4B, for example.
  • the enlargement factor calculation unit 21 determines the corrected enlargement factor (step S104).
  • the display control unit 20 forms an image displayed on the display screen of the determined enlargement factor. Then, the display unit 30 displays the image formed by the display control unit 20 (step S106).
  • FIG. 7 is a flowchart showing a second operation example when the portable terminal device 1 inputs a handwritten image.
  • the calculation correction unit 23 performs the second correction process.
  • the input detection unit 10 detects movement input (movement operation) (step S201).
  • the movement amount calculation unit 22 calculates the movement amount of movement of the display area based on the movement input (step S202).
  • the display control unit 20 moves the display area by the movement amount calculated by the movement amount calculation unit 22, and the number of the frame lines displayed on the display screen, that is, the frame lines included in the display area is two or more. It is determined whether or not it is (step S203).
  • the movement amount calculation unit 22 determines the calculated movement amount and displays it. The position of the area is determined (step S204).
  • the calculation correction unit 23 performs the second correction process (step S205).
  • the second correction process is performed, as shown in FIG. 4A, the end of the input area can be recognized by slightly correcting the calculated movement amount.
  • the movement amount calculation unit 22 fixes the corrected movement amount, and the position of the display area corresponding to the movement amount is fixed (step S204).
  • the display control unit 20 forms an image at a position moved by the determined movement amount. Then, the display unit 30 displays the image formed by the display control unit 20 (step S206).
  • the movement amount of the display area changes in accordance with the movement of a finger or the like, which may make it difficult to move to the position desired by the user. Even in such a case, according to the second operation example of the mobile terminal device 1, the end of the input area can be recognized by correcting the movement amount of the display area. This makes it possible to draw fine handwritten images easily and accurately.
  • the mobile terminal device 1 performs the correction of the enlargement factor after detecting the enlargement operation, but the correction of the enlargement factor of the display unit 30 is performed after the detection of the movement operation of the display area.
  • the mobile terminal device 1 corrects the movement amount after detecting the movement operation of the display area, but the position of the display area displayed on the display unit 30 after the detection of the enlargement operation A correction may be made.
  • the present invention is useful for a portable terminal device capable of easily drawing a fine handwritten image, a display control program and the like.

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

Provided is a portable terminal device, etc., in which a small handwritten image can be easily and precisely drawn. This portable terminal device is provided with: an input detection unit (10) on which an image is input through a touch panel; a display unit (30) which displays the image input on the input detection unit (10) and an input region presentation line (L) which presents at least a part of an end of an input region (D) to which an image is input through the input detection unit (10); and a display control unit (20) which controls a display region to be displayed by the display unit (30) so that the end of the input region (D) is recognized on the basis of a frame line (L).

Description

携帯端末装置、表示制御方法、及び表示制御プログラムPORTABLE TERMINAL DEVICE, DISPLAY CONTROL METHOD, AND DISPLAY CONTROL PROGRAM
　本発明は、携帯端末装置、表示制御方法、及び表示制御プログラムに関する。 The present invention relates to a mobile terminal device, a display control method, and a display control program.
　近年、携帯電話等の携帯端末装置として、キー操作による入力の代わりに、もしくはキー操作による入力とは別に、表示画面上をタッチして入力を行う所謂タッチパネル機能を搭載した携帯端末装置が普及している。タッチパネル機能を搭載した携帯端末装置によれば、直感的な入力を行うことができ、ユーザにとって理解しやすい入力を行うことができる。 In recent years, as a mobile terminal device such as a mobile phone, a mobile terminal device equipped with a so-called touch panel function that performs input by touching on the display screen instead of input by key operation or separately from input by key operation ing. According to the mobile terminal device equipped with the touch panel function, intuitive input can be performed, and input that can be easily understood by the user can be performed.
　一方、携帯端末装置は、一般的に表示画面が小型であることが多い。この場合、例えばスケジュール機能により予定を書き込むなど、小さな文字をタッチパネルにより入力するときには、文字、図形、記号等をユーザの思い通りに入力することができないことがある。 On the other hand, mobile terminals generally have small display screens in general. In this case, for example, when a small character is input through a touch panel, such as writing a schedule using a schedule function, characters, figures, symbols, etc. may not be input as the user desires.
　小さな画面等で小さな文字等を入力するための装置として、小さな表示画面で手書きイメージを入力する際、手書きに適したサイズの枠を表示し、入力が完了した時点でイメージを適切なサイズに縮小して表示する手書き入力装置が知られている（例えば、特許文献１参照）。この手書き入力装置によれば、操作者は、表示画面上の手書き表示領域に情報を直接手書きするのではなく、手書き表示範囲より拡大された枠内に情報を手書きすることができるので、例えば画数の多い文字や複雑なパターン等の手書き入力を容易に行うことができる。 When inputting a handwritten image on a small display screen as a device for inputting small characters etc. on a small screen etc., a frame of a size suitable for handwriting is displayed, and the image is reduced to an appropriate size when input is completed. There is known a handwriting input device for displaying a document (see, for example, Patent Document 1). According to this handwriting input device, the operator can not write information directly in the handwriting display area on the display screen, but can write information in a frame expanded from the handwriting display range. It is possible to easily perform handwriting input such as many characters and complicated patterns.
　また、小さな文字を描くために描画部分を拡大する機能を有し、座標入力面の右端（下端）を含む領域にある描画方向判定面におけるタッチやドラッグのデタッチから所定の時間タッチが検出されない場合には、横方向（縦方向）にスクロールするタッチパネル付きディスプレイ装置が知られている（例えば、特許文献２参照）。このディスプレイ装置によれば、自動的にスクロールの方向を判定して行の始端に向けて画像をスクロールすることができる。 In addition, it has a function to enlarge the drawing part in order to draw small characters, and a touch is not detected for a predetermined time from the touch or drag detachment on the drawing direction determination surface in the area including the right end (lower end) of the coordinate input surface. A display device with a touch panel that scrolls in the horizontal direction (vertical direction) is known (see, for example, Patent Document 2). According to this display device, it is possible to automatically determine the scroll direction and scroll the image toward the beginning of the line.
　また、小さな文字を描くために描画部分を拡大する機能を有し、入力位置が拡大画面の端に近づいたときに、手書き入力できるスペースを確保するためにスクロールする表示装置が知られている（例えば、特許文献３参照）。この表示装置によれば、拡大画面上の入力位置と拡大画面の端との間にスペースが生じ、このスペースに手書き入力を連続して行うことができる。 There is also known a display device that has a function of enlarging a drawing portion to draw small characters, and scrolls to secure a space where handwriting input can be made when the input position approaches the end of the enlarged screen ( For example, refer to Patent Document 3). According to this display device, a space is generated between the input position on the enlarged screen and the end of the enlarged screen, and handwriting input can be continuously performed on this space.
日本国特開平６－１２４１６４号公報Japanese Patent Application Laid-Open No. 6-124164 日本国特開２００４－０４６７９７号公報Japanese Patent Application Laid-Open No. 2004-046797 日本国特開２００９－０９８９９０号公報Japanese Patent Application Laid-Open No. 2009-098990
　ところで、携帯端末装置のカレンダー機能やスケジュール機能を利用して手書きイメージを入力する場合には、あらかじめ定められた枠線内に入力しなければならないことがある。そして、その枠線内に細かい手書きイメージを入力する場合には、携帯端末装置の小さな表示画面に表示されるイメージを拡大表示させる拡大画面とする必要がある。 By the way, when inputting a handwritten image using the calendar function and the schedule function of the portable terminal device, it may be necessary to input within a predetermined frame line. Then, in the case of inputting a fine handwritten image within the frame line, it is necessary to set an enlarged screen on which the image displayed on the small display screen of the portable terminal device is enlarged and displayed.
　しかしながら、拡大画面とした場合には、ユーザがタッチパネルで手書き入力を行うための入力領域の指標となる枠線を表示画面上で確認することができないことがあった。この場合には、ユーザはどこまでが所望の入力領域となるか把握することができず、ユーザの意図通りに手書きイメージを入力できないことがあった。 However, in the case of the enlarged screen, it may not be possible to confirm on the display screen a frame line serving as an index of an input area for the user to perform handwriting input on the touch panel. In this case, the user can not grasp how far the desired input area is, and the user may not be able to input the handwritten image as intended by the user.
　本発明は、上記事情に鑑みてなされたものであって、細かい手書きイメージを容易に高精度に描くことが可能な携帯端末装置、表示制御方法、及び表示制御プログラムを提供することを目的とする。 The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a portable terminal device capable of easily drawing a fine handwritten image with high accuracy, a display control method, and a display control program. .
　本発明の携帯端末装置は、タッチパネルを介してイメージを入力する入力部と、前記入力部により入力されたイメージと、前記入力部によりイメージを入力するための入力領域の端部の少なくとも一部を提示する入力領域提示線と、を表示する表示部と、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部により表示される表示領域を制御する表示制御部と、を備える。 The portable terminal device according to the present invention comprises an input unit for inputting an image through a touch panel, an image inputted by the input unit, and at least a part of an end of an input area for inputting the image by the input unit. A display unit for displaying an input area presentation line to be presented; and a display control section for controlling a display area displayed by the display unit such that an end of the input area is recognized based on the input area presentation line And.
　この構成により、入力領域の目安となる入力領域提示線が認識できる状態とすることで、入力領域の端部までの距離、つまりどの程度手書き入力が可能なスペースが残っているかをユーザが理解しやすくなる。したがって、細かい手書きイメージを容易に高精度に描くことが可能となる。 With this configuration, the user can understand the distance to the end of the input area, that is, how much space for handwriting input remains, by making it possible to recognize the input area presentation line that is a standard for the input area. It will be easier. Therefore, it becomes possible to draw fine handwritten images easily with high accuracy.
　また、本発明の携帯端末装置は、前記入力部が、前記表示領域を制御するための制御入力を行い、前記表示制御部が、前記入力部による前記制御入力に基づいて前記表示領域を制御する入力追従制御部と、前記入力追従制御部により制御された表示領域において、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示領域を補正する表示領域補正部と、を備える。 In the mobile terminal device according to the present invention, the input unit performs control input for controlling the display area, and the display control unit controls the display area based on the control input by the input unit. An input follow-up control unit; and a display area correction unit that corrects the display area so that an end of the input area is recognized based on the input area presentation line in the display area controlled by the input follow-up control unit And.
　この構成により、拡大操作や移動操作に伴って表示領域が変化したときに、入力領域提示線を確認することができなくなり、入力領域提示線を確認することができず、入力領域の範囲が認識することができなくなるような操作が行われた場合であっても、表示領域を自動的に補正することで、所望の入力領域を容易に認識することができる。 With this configuration, when the display area changes in accordance with the enlargement operation or the movement operation, the input area presentation line can not be confirmed, the input area presentation line can not be confirmed, and the range of the input area is recognized. Even when an operation that can not be performed is performed, a desired input area can be easily recognized by automatically correcting the display area.
　また、本発明の携帯端末装置は、前記表示領域補正部が、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部の拡大率を補正する携帯端末装置。 In the mobile terminal device of the present invention, the display area correction unit corrects the magnification of the display unit such that an end of the input area is recognized based on the input area presentation line.
　この構成により、例えば拡大操作により拡大率を上げ過ぎてしまい、入力領域提示線を確認することができず、入力領域の範囲が認識することができなくなるような操作が行われた場合であっても、拡大率を自動的に調整することで、所望の入力領域を容易に認識することができる。 With this configuration, for example, the enlargement ratio is increased too much by the enlargement operation, the input region presentation line can not be confirmed, and an operation is performed such that the range of the input region can not be recognized. Also, by automatically adjusting the enlargement factor, the desired input area can be easily recognized.
　また、本発明の携帯端末装置は、前記表示領域補正部が、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示領域の位置を補正する。 Further, in the mobile terminal device of the present invention, the display area correction unit corrects the position of the display area such that an end of the input area is recognized based on the input area presentation line.
　この構成により、例えば移動操作により表示領域を移動し過ぎてしまい、入力領域の範囲を認識できなくなった場合であっても、表示領域の位置や移動量を自動的に調整することで、所望の入力領域を容易に認識することができる。 With this configuration, for example, even if the display area is moved too much by the movement operation and the range of the input area can not be recognized, the position or movement amount of the display area is automatically adjusted to obtain the desired. The input area can be easily recognized.
　また、本発明の携帯端末装置は、前記表示領域補正部が、前記入力部による入力方向とは直交する方向に複数の前記入力領域提示線が提示されるよう、前記表示領域を補正する。 Further, in the mobile terminal device of the present invention, the display area correction unit corrects the display area such that a plurality of the input area presentation lines are presented in a direction orthogonal to the input direction by the input unit.
　この構成により、入力領域提示線が少なくとも２本以上提示される状態とすることで、その入力領域提示線から直接的又は間接的に、所望の入力領域を容易に認識することができる。 With this configuration, when at least two or more input area presentation lines are presented, a desired input area can be easily recognized directly or indirectly from the input area presentation lines.
　また、本発明の携帯端末装置は、前記表示領域補正部が、前記表示領域の補正前及び前記表示領域の補正後での前記表示領域の変化量が所定量以下の場合に限り、前記表示領域を補正する携帯端末装置。 Further, in the mobile terminal device of the present invention, the display area correction unit may be configured such that the display area change amount before the correction of the display area and after the correction of the display area is less than or equal to a predetermined amount. Mobile terminal device that corrects.
　この構成により、若干の表示領域の補正により入力領域を認識することができる場合に限り、表示領域の補正を行うようにすることができる。したがって、ユーザにとっては、拡大入力や移動入力に伴う表示領域の変化に違和感がなく、かつ、所望の入力領域を容易に認識することができる。 According to this configuration, the display area can be corrected only when the input area can be recognized by a slight correction of the display area. Therefore, for the user, there is no sense of discomfort in the change of the display area accompanying the enlargement input or the movement input, and the desired input area can be easily recognized.
　また、本発明の表示制御方法は、タッチパネルを介して入力されたイメージを表示するための表示制御方法であって、前記イメージと、前記イメージを入力するための入力領域の端部の少なくとも一部を提示する入力領域提示線と、を表示部により表示するステップと、前記イメージが入力されるときに、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部により表示される表示領域を制御するステップと、を有する。 Further, a display control method of the present invention is a display control method for displaying an image input through a touch panel, wherein the image and at least a part of an end portion of an input area for inputting the image Displaying by the display unit an input area presentation line for presenting the display section, and the display section so that an end of the input area is recognized based on the input area presentation line when the image is input Controlling the display area displayed by
　この方法により、入力領域の目安となる入力領域提示線が認識できる状態とすることで、入力領域の端部までの距離、つまりどの程度手書き入力が可能なスペースが残っているかをユーザが理解しやすくなる。したがって、細かい手書きイメージを容易に高精度に描くことが可能となる。 By this method, the user can understand the distance to the end of the input area, that is, how much space for handwriting input remains, by making it possible to recognize the input area presentation line which is a standard of the input area. It will be easier. Therefore, it becomes possible to draw fine handwritten images easily with high accuracy.
　また、本発明の表示制御プログラムは、上記の表示制御方法の各ステップをコンピュータに実行させるためのプログラムである。 Further, a display control program of the present invention is a program for causing a computer to execute each step of the display control method described above.
　このプログラムにより、入力領域の目安となる入力領域提示線が認識できる状態とすることで、入力領域の端部までの距離、つまりどの程度手書き入力が可能なスペースが残っているかをユーザが理解しやすくなる。したがって、細かい手書きイメージを容易に高精度に描くことが可能となる。 With this program, the user can understand the distance to the end of the input area, that is, how much space for handwriting input remains, by making it possible to recognize the input area presentation line that is a standard for the input area. It will be easier. Therefore, it becomes possible to draw fine handwritten images easily with high accuracy.
　本発明の携帯端末装置によれば、細かい手書きイメージを容易に高精度に描くことが可能である。 According to the portable terminal device of the present invention, it is possible to easily draw a fine handwritten image with high accuracy.
本発明の実施形態における携帯端末装置の構成例を示すブロック図Block diagram showing a configuration example of a portable terminal device according to an embodiment of the present invention 本発明の実施形態における入力領域と入力領域提示線を説明するための図Diagram for explaining an input area and an input area presentation line in an embodiment of the present invention （Ａ）～（Ｃ）本発明の実施形態における拡大率制御入力を説明するための図(A)-(C) The figure for demonstrating the magnifying power control input in embodiment of this invention. （Ａ）～（Ｃ）本発明の実施形態における演算補正処理を説明するための図(A) to (C) diagrams for explaining calculation correction processing in the embodiment of the present invention （Ａ），（Ｂ）本発明の実施形態におけるカレンダーの日付を考慮した演算補正処理を説明するための図(A), (B) Diagram for explaining the operation correction process in consideration of the date of the calendar in the embodiment of the present invention 本発明の実施形態における携帯端末装置が手書きイメージを入力するときの第１動作例を示すフローチャートFlowchart showing a first operation example when the portable terminal device according to the embodiment of the present invention inputs a handwritten image 本発明の実施形態における携帯端末装置が手書きイメージを入力するときの第２動作例を示すフローチャートA flowchart showing a second operation example when the portable terminal device according to the embodiment of the present invention inputs a handwritten image
　本発明の実施形態について、図面を参照しながら以下に説明する。 Embodiments of the present invention will be described below with reference to the drawings.
　本発明の実施形態における携帯端末装置は、携帯電話、携帯情報端末（ＰＤＡ）、パーソナルコンピュータ等、表示画面を有する機器を広く含む。特に、イメージを入力するためのタッチパネルの面積が小さな機器を想定している。以下、携帯端末装置を例に説明する。 The mobile terminal device in the embodiment of the present invention broadly includes devices having a display screen such as a mobile phone, a personal digital assistant (PDA), a personal computer, and the like. In particular, a device with a small touch panel area for inputting an image is assumed. Hereinafter, a portable terminal device will be described as an example.
（第１の実施形態）
　図１は、本発明の第１の実施形態における携帯端末装置の構成例を示すブロック図である。図１に示す携帯端末装置１は、入力検知部１０、表示制御部２０、表示部３０、を有して構成される。また、表示制御部２０は、拡大率算出部２１、移動量算出部２２、演算補正部２３、を有して構成される。 First Embodiment
FIG. 1 is a block diagram showing an example of the configuration of a mobile terminal device according to the first embodiment of the present invention. The mobile terminal device 1 shown in FIG. 1 is configured to include an input detection unit 10, a display control unit 20, and a display unit 30. In addition, the display control unit 20 is configured to include a magnification ratio calculation unit 21, a movement amount calculation unit 22, and an operation correction unit 23.
　入力検知部１０は、タッチパネルを有し、指等での接触又は押下による手書き入力を検知する。例えば、ユーザが指等をタッチパネル上で連続的に移動させることにより、入力検知部１０は、その指等の移動を軌跡として検知する。入力検知部１０により入力された（描かれた）イメージの軌跡の情報（軌跡情報）は、例えば座標情報の集合により表される。 The input detection unit 10 has a touch panel, and detects a handwriting input by a touch or a press with a finger or the like. For example, when the user moves a finger or the like continuously on the touch panel, the input detection unit 10 detects the movement of the finger or the like as a trajectory. The information (trajectory information) of the locus of the image input (drawn) by the input detection unit 10 is represented by, for example, a set of coordinate information.
　また、入力検知部１０は、表示部３０の拡大率を制御するための入力（拡大率制御入力）を検知する。拡大率制御入力の詳細については後述する。また、入力検知部１０は、表示部３０に表示される表示領域を移動するための入力（移動入力）を検知する。この移動入力がされると、表示画面がスライドされる。移動入力の詳細については後述する。 Further, the input detection unit 10 detects an input for controlling the enlargement ratio of the display unit 30 (magnification ratio control input). Details of the enlargement factor control input will be described later. Further, the input detection unit 10 detects an input (movement input) for moving the display area displayed on the display unit 30. When this movement input is made, the display screen is slid. The details of the movement input will be described later.
　なお、ここでのイメージとは、文字、図形、記号などの画像を広く含み、後述する通常画面では入力が困難なイメージを主に想定している。 Here, the image widely includes images such as characters, figures, and symbols, and is mainly assumed to be an image which is difficult to input on a normal screen described later.
　また、入力手段（指等）としては、指以外にタッチペン等であってもよく、タッチパネルに対して細かい入力を行うことが困難な入力手段が広く含まれる。 Moreover, as an input means (a finger etc.), a touch pen etc. may be sufficient besides a finger, and the input means in which it is difficult to perform fine input with respect to a touch panel is included widely.
　表示制御部２０は、表示部３０により表示されるイメージを形成する。入力検知部１０により入力されたイメージのサイズが、表示画面のサイズよりも大きい場合には、イメージの一部を切出して表示対象となるイメージを形成する。 The display control unit 20 forms an image displayed by the display unit 30. When the size of the image input by the input detection unit 10 is larger than the size of the display screen, a part of the image is cut out to form an image to be displayed.
　また、表示制御部２０は、表示部３０により表示される表示領域を制御する。例えば、表示領域を大きくしたり小さくしたりすべく、表示部３０の拡大率を制御する。また、例えば、スライドにより表示領域を移動させることにより表示領域を制御する。なお、表示制御部２０による表示領域の制御には、操作入力に伴う表示領域の制御、後述する演算補正部２３による表示領域の補正、の少なくとも一方を含む。 The display control unit 20 also controls the display area displayed by the display unit 30. For example, the enlargement ratio of the display unit 30 is controlled to make the display area larger or smaller. Also, for example, the display area is controlled by moving the display area by sliding. The control of the display area by the display control unit 20 includes at least one of control of the display area according to the operation input and correction of the display area by the calculation correction unit 23 described later.
　拡大率算出部２１は、入力検知部１０による拡大率制御入力に基づいて、設定すべき表示部３０の拡大率を算出する。つまり、拡大率算出部２１は、拡大率制御入力に基づく表示領域の制御を行う入力追従制御部としての機能を有する。拡大率算出の詳細については後述する。 The enlargement ratio calculation unit 21 calculates the enlargement ratio of the display unit 30 to be set based on the enlargement ratio control input by the input detection unit 10. That is, the enlargement ratio calculation unit 21 has a function as an input tracking control unit that controls the display area based on the enlargement ratio control input. Details of the enlargement ratio calculation will be described later.
　また、算出された拡大率が反映された表示画面としては、拡大率が１より大きい画面である拡大画面と、拡大率が１（等倍）の画面である通常画面と、がある。主に、拡大画面は、通常画面では手書き入力が困難な細かい入力を行う場合に利用され、通常画面は、通常の一般的な入力を行う場合に利用される。なお、拡大画面を多段階で切り替えるようにしてもよいし、拡大率が１より小さい縮小画面を利用することもできる。 Further, as display screens on which the calculated enlargement factor is reflected, there are an enlargement screen which is a screen having an enlargement factor larger than 1, and a normal screen which is a screen having an enlargement factor of 1 (equal magnification). The enlarged screen is mainly used when performing detailed input which is difficult for handwriting input on the normal screen, and the normal screen is used when performing normal input. Note that the enlarged screen may be switched in multiple steps, or a reduced screen with an enlargement ratio smaller than 1 can be used.
　移動量算出部２２は、入力検知部１０による移動入力に基づいて、スライドによる表示領域の移動量を算出する。つまり、移動量算出部２２は、移動入力に基づく表示領域の制御を行う入力追従制御部としての機能を有する。移動量算出の詳細については後述する。 The movement amount calculation unit 22 calculates the movement amount of the display area by the slide based on the movement input by the input detection unit 10. That is, the movement amount calculation unit 22 has a function as an input tracking control unit that performs control of the display area based on movement input. Details of the movement amount calculation will be described later.
　演算補正部２３は、入力検知部１０によりイメージが入力されるときに、入力領域の端部が入力領域提示線に基づいて認識されるように、拡大率又は表示領域の移動量、つまり表示領域の位置を補正する演算補正処理を行う。演算補正処理の詳細については後述する。 The calculation correction unit 23 is configured such that, when the image is input by the input detection unit 10, the enlargement ratio or the movement amount of the display area, that is, the display area, so that the end of the input area is recognized based on the input area presentation line. Perform an arithmetic correction process to correct the position of. Details of the calculation correction process will be described later.
　ここで、入力領域とは、入力検知部１０によりイメージを入力するための所望の領域である。また、入力領域提示線とは、入力領域の外縁などの端部の少なくとも一部を提示するものである。入力領域提示線は、その入力領域内にイメージが描かれることが必須なものとして用いられる場合もあるし、その入力領域外に渡ってイメージが描かれても良いが、一応の指標として用いられる場合もある。また、入力領域提示線の情報は、図示しないメモリに格納されている。図２に示す例では、格子状の枠線Ｌが入力領域提示線に相当し、枠線Ｌで区切られた各領域Ｄが入力領域に相当する。なお、図２に示すように、各領域Ｄが連結された領域が入力領域に相当するようにしてもよい。 Here, the input area is a desired area for inputting an image by the input detection unit 10. Further, the input area presentation line is for presenting at least a part of an end such as an outer edge of the input area. The input area presentation line may be used as an essential element for drawing an image in the input area, or the image may be drawn outside the input area, but it is used as a temporary index In some cases. Further, the information of the input area presentation line is stored in a memory (not shown). In the example shown in FIG. 2, the grid-like frame line L corresponds to an input area presentation line, and each area D divided by the frame line L corresponds to an input area. Note that, as shown in FIG. 2, an area in which the respective areas D are connected may correspond to an input area.
　このように、表示制御部２０は、イメージ入力時に入力領域の範囲が認識されるように、表示領域を制御する。 Thus, the display control unit 20 controls the display area so that the range of the input area is recognized when an image is input.
　表示部３０は、液晶パネル等で構成され、表示制御部２０により形成されたイメージを表示する。イメージは、表示制御部２０により設定された拡大率及び表示領域の位置で表示される。また、表示部３０は、入力領域提示線を表示する。 The display unit 30 is configured of a liquid crystal panel or the like, and displays an image formed by the display control unit 20. The image is displayed at the enlargement factor set by the display control unit 20 and the position of the display area. Further, the display unit 30 displays an input area presentation line.
　なお、本実施形態で説明する表示制御方法の各ステップを実行させるための表示制御プログラムは、携帯端末装置１内の所定のメモリ（不図示）に格納される。 A display control program for executing each step of the display control method described in the present embodiment is stored in a predetermined memory (not shown) in the mobile terminal device 1.
　次に、拡大率制御入力及び拡大率算出の詳細について説明する。
　本実施形態の拡大率制御入力としては、後述するピンチ操作による入力、タッチパネル上で拡大画面で表示される拡大領域の端部を指定する入力、の２つを主に想定している。ただし、これ以外の入力方法で拡大率制御入力を行ってもよい。 Next, the details of the enlargement ratio control input and the enlargement ratio calculation will be described.
As the magnification control input according to the present embodiment, mainly, an input by a pinch operation, which will be described later, and an input for designating an end portion of an enlarged area displayed on the enlarged screen on the touch panel are mainly assumed. However, the magnification control input may be performed by any other input method.
　まず、ピンチ操作を行う場合について説明する。
　入力検知部１０のタッチパネルは、マルチタッチ方式を採用しており、複数の指等によるタッチパネルへの同時入力を認識できる機能を有している。タッチパネルに対して複数の指等で入力し、入力検知部１０が複数の入力座標（第１の入力座標）を検出すると、拡大率算出部２１は、指等の間隔つまり入力検知部１０により検知された複数の入力座標（第１の入力座標）間の距離（第１の距離）を算出する。 First, the case of performing the pinch operation will be described.
The touch panel of the input detection unit 10 adopts a multi-touch method, and has a function capable of recognizing simultaneous input to the touch panel by a plurality of fingers or the like. When the input detection unit 10 detects a plurality of input coordinates (first input coordinates) by using a plurality of fingers or the like on the touch panel, the magnification ratio calculation unit 21 detects the distance between the fingers or the like, that is, the input detection unit 10 The distance (first distance) between the plurality of input coordinates (first input coordinates) is calculated.
　タッチパネルへの入力状態で、図３（Ａ）に示すようなユーザが複数の指等ＦＧを広げたり狭めたりする操作（ピンチ操作）を行ったとき、入力検知部１０は、操作後の複数の入力座標（第２の入力座標）を検出する。そして、拡大率算出部２１は、操作後の指等の間隔つまり入力検知部１０により検知された操作後の複数の入力座標（第２の入力座標）間の距離（第２の距離）を算出する。 When the user performs an operation (pinch operation) of widening or narrowing a plurality of fingers or the like FG as shown in FIG. 3A in the state of input to the touch panel, the input detection unit 10 performs a plurality of operations after the operation. Detect input coordinates (second input coordinates). Then, the enlargement ratio calculation unit 21 calculates the distance (second distance) between a plurality of input coordinates (second input coordinates) after the operation detected by the input detection unit 10, that is, an interval of a finger or the like after the operation. Do.
　そして、拡大率算出部２１は、第１の距離と第２の距離との比に基づいて、表示部３０の表示画面の拡大率を算出する。例えば、第２の距離が第１の距離よりも長い程、表示部３０の表示画面の拡大率は大きくなる。一方、第２の距離が第１の距離よりも短い程、表示部３０の表示画面の拡大率は小さくなる。 Then, the enlargement ratio calculation unit 21 calculates the enlargement ratio of the display screen of the display unit 30 based on the ratio of the first distance to the second distance. For example, as the second distance is longer than the first distance, the enlargement ratio of the display screen of the display unit 30 is larger. On the other hand, as the second distance is shorter than the first distance, the enlargement ratio of the display screen of the display unit 30 decreases.
　続いて、拡大領域の端部を指定する場合について説明する。
　図３（Ｂ）に示すように、ユーザが指等により通常画面のときに点Ａ及び点Ｂをタッチすることで、入力検知部１０は点Ａ及び点Ｂへの入力を検知する。すると、拡大率算出部２１は、例えば、点Ａ及び点Ｂを矩形の対向する頂点として認識する。そして、拡大率算出部２１は、図３（Ｃ）に示すように、点Ａ及び点Ｂが拡大画面の対向する頂点に位置するように、表示部３０の表示画面の拡大率を算出する。そして、表示制御部２０は、表示部３０の表示画面を、算出された拡大率の拡大画面とする。 Subsequently, the case of specifying the end of the enlarged area will be described.
As shown in FIG. 3B, when the user touches the point A and the point B in the normal screen with a finger or the like, the input detection unit 10 detects an input to the point A and the point B. Then, the enlargement ratio calculation unit 21 recognizes, for example, the point A and the point B as opposing vertices of a rectangle. Then, as shown in FIG. 3C, the enlargement ratio calculation unit 21 calculates the enlargement ratio of the display screen of the display unit 30 so that the point A and the point B are positioned at the facing vertexes of the enlarged screen. Then, the display control unit 20 sets the display screen of the display unit 30 as an enlarged screen of the calculated enlargement factor.
　なお、図面においては、「３Ｘ」とは通常画面の３倍の拡大率の拡大画面を示しており、「１Ｘ」とは１倍の拡大率（等倍）の通常画面を示している。 In the drawings, "3X" indicates a magnified screen with a magnification of 3 times that of the normal screen, and "1X" indicates a regular screen with a magnification of 1 (equal magnification).
　次に、移動入力及び移動量算出の詳細について説明する。
　本実施形態の移動入力としては、後述するフリック操作又はスライド操作による入力を主に想定している。ただし、これ以外の入力方法で移動入力を行ってもよい。ここで、フリック操作とは、指等をタッチパネル面に接触した状態で指等の位置を移動させ、移動速度を保ったまま指を離す操作を行うことを指す。また、スライド操作とは、指等をタッチパネルに接触した状態で移動させ、一般的に真上方向（タッチパネルに対して垂直方向に遠ざかる方向）に指等を離す操作を行うことを指す。 Next, details of movement input and movement amount calculation will be described.
As movement input in the present embodiment, input by flick operation or slide operation described later is mainly assumed. However, movement input may be performed by any other input method. Here, the flick operation refers to performing an operation of moving the position of a finger or the like while touching the touch panel surface and releasing the finger while maintaining the moving speed. In addition, the slide operation refers to performing an operation of moving a finger or the like in contact with the touch panel and generally releasing the finger or the like in a directly upward direction (a direction away from the touch panel in a direction perpendicular to the touch panel).
　タッチパネルへの入力状態で、指等を任意の方向にスライドする操作又はフリック操作を行ったとき、入力検知部１０によりフリック操作又はスライド操作後の入力座標（第３の入力座標）を検出する。そして、移動量算出部２２は、フリック操作又はスライド操作後の入力座標（第３の入力座標）とフリック操作又はスライド操作前の入力座標（第１の入力座標）との距離を算出する。 When an operation of sliding a finger or the like in an arbitrary direction or a flick operation is performed in a state of input to the touch panel, the input detection unit 10 detects input coordinates (third input coordinates) after the flick operation or slide operation. Then, the movement amount calculation unit 22 calculates the distance between the input coordinates (third input coordinates) after the flick operation or the slide operation and the input coordinates (first input coordinates) before the flick operation or the slide operation.
　そして、移動量算出部２２は、第１の入力座標と第３の入力座標との距離に基づいて、表示領域の移動量を算出する。そして、表示制御部２０は、表示部３０に表示される表示領域を、算出された移動量に基づいて、移動させる。なお、表示制御部２０は、タッチパネル上での指等の移動方向と表示部３０により表示される表示領域の移動方向とが一致するように、表示領域を移動させる。 Then, the movement amount calculation unit 22 calculates the movement amount of the display area based on the distance between the first input coordinate and the third input coordinate. Then, the display control unit 20 moves the display area displayed on the display unit 30 based on the calculated movement amount. The display control unit 20 moves the display area so that the moving direction of the finger or the like on the touch panel coincides with the moving direction of the display area displayed by the display unit 30.
　次に、演算補正部２３による演算補正処理の詳細について説明する。
　拡大率制御入力や移動入力が行われた場合には、その入力に応じた表示領域の制御が行われる。しかしながら、これらの入力はユーザの任意の入力であるため、この拡大率又は移動量に基づいて表示領域を変更した場合には、表示部３０に入力領域提示線が表示されない状態となり、入力領域が具体的に把握できない場合がある。例えば、図４（Ａ）に示すように、上下方向に１本だけ枠線Ｌが表示されており、横方向に文字等のイメージを描く場合には、入力領域の終端がどの位置にあるのかを認識できない。そこで、演算補正処理により、入力領域の終端の位置が認識されるように、ユーザ入力に基づく拡大率又は移動量を補正する微調整を行う。つまり、表示領域を補正する。 Next, details of the calculation correction process by the calculation correction unit 23 will be described.
When the enlargement ratio control input or the movement input is performed, the control of the display area according to the input is performed. However, since these inputs are arbitrary inputs of the user, when the display area is changed based on the enlargement factor or the movement amount, the input area presentation line is not displayed on the display unit 30, and the input area There is a case that can not be grasped concretely. For example, as shown in FIG. 4A, when one frame line L is displayed in the vertical direction and an image such as a character is drawn in the horizontal direction, at which position the end of the input area is located Can not recognize Therefore, fine adjustment is performed to correct the enlargement ratio or the movement amount based on the user input so that the position of the end of the input area is recognized by the calculation correction process. That is, the display area is corrected.
　図４（Ｂ）に示すように、演算補正部２３は、入力領域の終端を示す枠線ＬＬが表示部３０に表示されるよう、拡大率又は移動量を補正してもよい。入力領域の終端とは、例えば手書き入力方向が横方向の場合には右端、手書き入力方向が縦方向の場合には下端である。 As shown in FIG. 4B, the calculation correction unit 23 may correct the enlargement ratio or the movement amount so that the frame line LL indicating the end of the input area is displayed on the display unit 30. The end of the input area is, for example, the right end when the handwriting input direction is the horizontal direction, and the lower end when the handwriting input direction is the vertical direction.
　また、図４（Ｃ）に示すように、演算補正部２３は、入力領域の終端を示す枠線ＬＬではなく、表示部３０に枠線Ｌが２本以上表示される状態とし、それらの枠線Ｌから、入力領域の終端を認識されるようにしてもよい。例えば、枠線Ｌが格子状に表示されている場合には、枠線Ｌ同士の間隔から、入力領域の終端を認識することができる。なお、ここでカウントされる枠線Ｌは、イメージの入力方向（図４（Ｃ）では左右方向）と直交する方向（図４（Ｃ）では上下方向）に延びる枠線である。つまり、演算補正部２３は、入力検知部１０による入力方向とは直交する方向に複数の枠線Ｌが提示されるように表示領域を補正する。 Further, as shown in FIG. 4C, the calculation correction unit 23 is not in the frame line LL indicating the end of the input area, but in a state in which two or more frame lines L are displayed on the display unit 30, From the line L, the end of the input area may be recognized. For example, when the frame lines L are displayed in a lattice, the end of the input area can be recognized from the distance between the frame lines L. The frame line L counted here is a frame line extending in a direction (vertical direction in FIG. 4C) orthogonal to the image input direction (horizontal direction in FIG. 4C). That is, the calculation correction unit 23 corrects the display area so that the plurality of frame lines L are presented in the direction orthogonal to the input direction by the input detection unit 10.
　また、携帯端末装置１がカレンダー機能によりカレンダーを表示部３０により表示するときに、拡大画面とした場合、図５（Ａ）に示すような表示となることが考えられる。図５（Ａ）では、カレンダーの日付が表示部３０により表示される表示領域の外側に位置している。このような場合であっても、演算補正処理を行うことで、カレンダーの日付の全部又は図５（Ｂ）に示すようにカレンダーの日付の一部が、表示部３０により表示されるようになる。 In addition, when the portable terminal device 1 displays a calendar on the display unit 30 by the calendar function, when the screen is enlarged, the display shown in FIG. 5A can be considered. In FIG. 5A, the date of the calendar is located outside the display area displayed by the display unit 30. Even in such a case, by performing the calculation correction process, the display unit 30 displays all of the calendar dates or part of the calendar dates as shown in FIG. 5B. .
　理想的には、カレンダーの日付の全部を認識することができれば、表示された日付の間隔から、入力領域の終端を認識することができるので、好ましい。ただし、カレンダーの日付が欠けた状態で表示されている場合であっても、入力領域の終端を認識することができれば、ユーザは間接的に入力領域の範囲を理解することができる。 Ideally, if it is possible to recognize the entire date of the calendar, it is preferable because the end of the input area can be recognized from the displayed date interval. However, even when the calendar date is displayed in a missing state, if the end of the input area can be recognized, the user can indirectly understand the range of the input area.
　演算補正処理には、拡大率を小さくすることで補正する処理（第１補正処理）、表示領域の移動量を補正する処理（第２補正処理）、の２つが考えられる。ここでは、拡大率算出部２１により算出された拡大率が３倍であり、拡大率が３倍であると表示部３０の表示では入力領域の終端が認識できない場合を想定する。 There are two possible calculation correction processes: a process of correcting by reducing the enlargement factor (first correction process) and a process of correcting the movement amount of the display area (second correction process). Here, it is assumed that the end of the input area can not be recognized in the display of the display unit 30 that the enlargement ratio calculated by the enlargement ratio calculation unit 21 is three times and the enlargement ratio is three times.
　第１補正処理の場合、演算補正部２３は、表示領域の位置を変更せずに、３倍の拡大率を順次小さくしていく。つまり、３倍、２．９倍、２．８倍のように補正する。そして、演算補正部２３は、補正された拡大率で表示された場合に入力領域の終端が認識できるか否かを判断し、認識できる拡大率に補正された時点で、第１補正処理を終了する。例えば、第１補正処理により、図４（Ａ）に示した状態から図４（Ｂ）に示した状態となる。 In the case of the first correction process, the calculation correction unit 23 successively reduces the magnification ratio of 3 times without changing the position of the display area. That is, correction is made to 3 times, 2.9 times, 2.8 times. Then, the arithmetic correction unit 23 determines whether or not the end of the input area can be recognized when displayed at the corrected magnification, and ends the first correction processing when the magnification is corrected to a recognizable magnification. Do. For example, the state shown in FIG. 4A is changed to the state shown in FIG. 4B by the first correction processing.
　第２補正処理の場合、演算補正部２３は、３倍の拡大率は変更せずに、表示領域の移動量を順次変更していく。つまり、入力領域の終端方向に表示領域を移動していく。そして、演算補正部２３は、補正された表示領域の移動量だけ移動された位置で表示部３０によりイメージが表示された場合に、入力領域の終端が認識できるか否かを判断し、認識できる表示領域の位置に補正された時点で、第２補正処理を終了する。例えば、第２補正処理により、図４（Ａ）に示した状態から図４（Ｃ）に示した状態となる。 In the case of the second correction process, the calculation correction unit 23 sequentially changes the movement amount of the display area without changing the magnification ratio of 3 times. That is, the display area is moved in the end direction of the input area. Then, when the image is displayed on the display unit 30 at the position moved by the corrected movement amount of the display area, the calculation correction unit 23 can determine whether the end of the input area can be recognized or not. The second correction process is ended when the position of the display area is corrected. For example, the state shown in FIG. 4A is changed to the state shown in FIG. 4C by the second correction process.
　なお、演算補正部２３は、演算補正処理を常に行うのではなく、所定の条件を満たした場合にのみ、演算補正処理を行うようにしてもよい。例えば、表示領域を変更するときに、その変更前後、つまり入力に伴う表示領域の制御前から補正後までの表示領域の変化量が所定量以下の場合にのみ、演算補正処理を行うようにする。 The calculation correction unit 23 may not always perform calculation correction processing, but may perform calculation correction processing only when a predetermined condition is satisfied. For example, when changing the display area, the calculation correction process is performed only when the change amount of the display area before and after the change, that is, before the control of the display area accompanying the input and after the correction is less than a predetermined amount. .
　例えば、演算補正部２３は、拡大率の変化量が５％以内で済む場合に限り、第１補正処理を行ってもよい。この場合、補正前の拡大率が３倍であり、補正後の拡大率が２．９倍とした場合に入力領域の終端を認識することができる場合には、補正前後の拡大率の変化が５％以内であるので、第１補正処理を行う。一方、補正前の拡大率が３倍であり、補正後の拡大率が２．８％とした場合に入力領域の終端を認識することができる場合には、補正前後の拡大率の変化が５％以上であるので、第１補正処理を行わない。 For example, the calculation correction unit 23 may perform the first correction processing only when the change amount of the enlargement ratio is 5% or less. In this case, if the end of the input area can be recognized when the enlargement factor before correction is three times and the enlargement factor after correction is 2.9 times, the change in enlargement factor before and after correction is As it is within 5%, the first correction processing is performed. On the other hand, if the end of the input area can be recognized when the enlargement ratio before correction is three times and the enlargement ratio after correction is 2.8%, the change in enlargement ratio before and after correction is 5 Since it is% or more, the first correction process is not performed.
　また、例えば、演算補正部２３は、表示領域の移動量を補正する場合、移動量を５％以内で増量することで入力領域の終端が認識できる場合に、第２補正処理を行ってもよい。また、補正前後の表示領域の重複部分が９５％以上である場合に、第２補正処理を行ってもよい。また、演算補正部２３は、入力領域の終端を認識することができるまでの補正前後の移動距離が、表示領域における入力領域の終端方向の長さ（例えば表示部３０の左右方向の長さ）の５％以下である場合に、第２補正処理を行ってもよい。 In addition, for example, when correcting the movement amount of the display area, the calculation correction unit 23 may perform the second correction process when the end of the input area can be recognized by increasing the movement amount within 5%. . The second correction process may be performed when the overlapping portion of the display area before and after correction is 95% or more. In addition, the calculation correction unit 23 determines the movement distance before and after the correction until it can recognize the end of the input area is the length in the end direction of the input area in the display area (for example, the length in the horizontal direction of the display unit 30) The second correction process may be performed when the ratio is 5% or less of
　このような演算補正処理を行うことで、ユーザによる拡大率制御入力や移動入力を反映しつつ、違和感なく、入力領域の範囲を理解することができる。したがって、細かい手書きイメージを入力する場合であっても、容易かつ高精度に入力を行うことができる。 By performing such calculation correction processing, it is possible to understand the range of the input area without a sense of incongruity while reflecting the magnification control input and the movement input by the user. Therefore, even when a fine handwritten image is input, the input can be easily and accurately performed.
　なお、演算補正部２３は、演算補正処理として、第１補正処理及び第２補正処理のいずれかのみを行うようにしてもよいし、両方を組み合わせて行うようにしてもよい。 The calculation correction unit 23 may perform only one of the first correction processing and the second correction processing as calculation correction processing, or may perform both of them in combination.
　次に、携帯端末装置１が手書きイメージを入力するときの動作について説明する。
　図６は、携帯端末装置１が手書きイメージを入力するときの第１動作例を示すフローチャートである。ここでは、演算補正部２３が第１補正処理を行うことを想定している。 Next, an operation when the portable terminal device 1 inputs a handwritten image will be described.
FIG. 6 is a flowchart showing a first operation example when the portable terminal device 1 inputs a handwritten image. Here, it is assumed that the calculation correction unit 23 performs the first correction processing.
　まず、入力検知部１０は、拡大率制御入力（拡大操作）を検出する（ステップＳ１０１）。拡大率算出部２１は、拡大率制御入力に基づいて、拡大画面の拡大率を算出する（ステップＳ１０２）。そして、表示制御部２０は、拡大率算出部２１により算出された拡大率の拡大画面で表示される枠線（イメージの入力方向と直交する方向に延びる枠線）の数が２本以上であるか否かを判定する（ステップＳ１０３）。上記拡大画面で表示される枠線の数が２本以上である場合には、入力領域の終端を認識することができるので、拡大率算出部２１は、算出された拡大率に確定する（ステップＳ１０４）。 First, the input detection unit 10 detects a magnification control input (magnification operation) (step S101). The enlargement factor calculation unit 21 calculates the enlargement factor of the enlargement screen based on the enlargement factor control input (step S102). Then, the display control unit 20 has two or more frame lines (frame lines extending in a direction orthogonal to the input direction of the image) displayed on the enlarged screen of the enlargement factor calculated by the enlargement factor calculation unit 21. It is determined whether or not (step S103). When the number of frame lines displayed on the enlarged screen is two or more, the end of the input area can be recognized, so the enlargement factor calculation unit 21 determines the calculated enlargement factor (step S104).
　一方、上記拡大画面で表示される枠線の数が２本未満である場合には、演算補正部２３は、第１補正処理を行う（ステップＳ１０５）。第１補正処理を行う場合とは、図４（Ａ）に示すように、算出された拡大率を若干補正することで、入力領域の終端が認識できる場合である。第１補正処理により、拡大画面の拡大率が補正され、例えば図４（Ｂ）に示すように、入力領域の終端を示す枠線ＬＬが表示部３０により表示されることになる。そして、拡大率算出部２１は、補正された拡大率に確定する（ステップＳ１０４）。 On the other hand, when the number of frame lines displayed on the enlarged screen is less than two, the calculation correction unit 23 performs a first correction process (step S105). When the first correction process is performed, as shown in FIG. 4A, the end of the input area can be recognized by slightly correcting the calculated enlargement factor. By the first correction processing, the enlargement ratio of the enlarged screen is corrected, and a frame line LL indicating the end of the input area is displayed by the display unit 30 as shown in FIG. 4B, for example. Then, the enlargement factor calculation unit 21 determines the corrected enlargement factor (step S104).
　続いて、表示制御部２０は、確定された拡大率の表示画面で表示されるイメージを形成する。そして、表示部３０は、表示制御部２０により形成されたイメージを表示する（ステップＳ１０６）。 Subsequently, the display control unit 20 forms an image displayed on the display screen of the determined enlargement factor. Then, the display unit 30 displays the image formed by the display control unit 20 (step S106).
　細かい手書きイメージを描く場合には、拡大率を大きくする程、拡大画面にどの表示領域のイメージが表示されているか把握できなくなることがある。このような場合であっても、携帯端末装置１の第１動作例によれば、拡大率を補正することで、入力領域の端部を認識することができるようになる。これにより、細かい手書きイメージを容易かつ正確に描くことができる。 When drawing a detailed handwritten image, it may be impossible to grasp which display area is displayed on the enlarged screen as the enlargement ratio is increased. Even in such a case, according to the first operation example of the mobile terminal device 1, the end of the input area can be recognized by correcting the enlargement factor. This makes it possible to draw fine handwritten images easily and accurately.
　次に、図７は、携帯端末装置１が手書きイメージを入力するときの第２動作例を示すフローチャートである。ここでは、演算補正部２３が第２補正処理を行うことを想定している。 Next, FIG. 7 is a flowchart showing a second operation example when the portable terminal device 1 inputs a handwritten image. Here, it is assumed that the calculation correction unit 23 performs the second correction process.
　まず、入力検知部１０は、移動入力（移動操作）を検出する（ステップＳ２０１）。移動量算出部２２は、移動入力に基づいて、表示領域が移動した移動量を算出する（ステップＳ２０２）。そして、表示制御部２０は、移動量算出部２２により算出された移動量だけ表示領域を移動させ、表示画面で表示される枠線つまり表示領域に含まれる枠線の数が２本以上であるか否かを判定する（ステップＳ２０３）。上記表示画面で表示される枠線の数が２本以上である場合には、入力領域の終端を認識することができるので、移動量算出部２２は、算出された移動量に確定し、表示領域の位置が確定する（ステップＳ２０４）。 First, the input detection unit 10 detects movement input (movement operation) (step S201). The movement amount calculation unit 22 calculates the movement amount of movement of the display area based on the movement input (step S202). Then, the display control unit 20 moves the display area by the movement amount calculated by the movement amount calculation unit 22, and the number of the frame lines displayed on the display screen, that is, the frame lines included in the display area is two or more. It is determined whether or not it is (step S203). When the number of frame lines displayed on the display screen is two or more, since the end of the input area can be recognized, the movement amount calculation unit 22 determines the calculated movement amount and displays it. The position of the area is determined (step S204).
　一方、上記表示画面で表示される枠線の数が２本未満である場合には、演算補正部２３は、第２補正処理を行う（ステップＳ２０５）。第２補正処理を行う場合とは、図４（Ａ）に示すように、算出された移動量を若干補正することで、入力領域の終端が認識できる場合である。第２補正処理により、表示領域の移動量が補正され、入力領域の終端を示す枠線が表示部３０により表示されたり、図４（Ｃ）に示すように入力領域の終端を示唆する枠線が表示部３０により表示されたりすることになる。そして、移動量算出部２２は、補正された移動量に確定し、これに対応する表示領域の位置が確定する（ステップＳ２０４）。 On the other hand, when the number of frame lines displayed on the display screen is less than two, the calculation correction unit 23 performs the second correction process (step S205). When the second correction process is performed, as shown in FIG. 4A, the end of the input area can be recognized by slightly correcting the calculated movement amount. By the second correction processing, the movement amount of the display area is corrected, and a frame line indicating the end of the input area is displayed by the display unit 30, or a frame line indicating the end of the input area as shown in FIG. Is displayed by the display unit 30 or the like. Then, the movement amount calculation unit 22 fixes the corrected movement amount, and the position of the display area corresponding to the movement amount is fixed (step S204).
　続いて、表示制御部２０は、確定された移動量だけ移動された位置でのイメージを形成する。そして、表示部３０は、表示制御部２０により形成されたイメージを表示する（ステップＳ２０６）。 Subsequently, the display control unit 20 forms an image at a position moved by the determined movement amount. Then, the display unit 30 displays the image formed by the display control unit 20 (step S206).
　タッチパネルでの入力では、指等の動きに追従して表示領域の移動量が変化するので、ユーザ所望の位置へ移動させることが困難なことがある。このような場合であっても、携帯端末装置１の第２動作例によれば、表示領域の移動量を補正することで、入力領域の端部を認識することができるようになる。これにより、細かい手書きイメージを容易かつ正確に描くことができる。 In the case of input on the touch panel, the movement amount of the display area changes in accordance with the movement of a finger or the like, which may make it difficult to move to the position desired by the user. Even in such a case, according to the second operation example of the mobile terminal device 1, the end of the input area can be recognized by correcting the movement amount of the display area. This makes it possible to draw fine handwritten images easily and accurately.
　なお、第１動作例では、携帯端末装置１が拡大操作の検知後に拡大率の補正を行うことを説明したが、表示領域の移動操作の検知後に表示部３０の拡大率の補正を行うようにしてもよい。また、第２動作例では、携帯端末装置１が表示領域の移動操作の検知後に移動量の補正を行うことを説明したが、拡大操作の検知後に表示部３０に表示される表示領域の位置の補正を行うようにしてもよい。 In the first operation example, it has been described that the mobile terminal device 1 performs the correction of the enlargement factor after detecting the enlargement operation, but the correction of the enlargement factor of the display unit 30 is performed after the detection of the movement operation of the display area. May be Further, in the second operation example, it has been described that the mobile terminal device 1 corrects the movement amount after detecting the movement operation of the display area, but the position of the display area displayed on the display unit 30 after the detection of the enlargement operation A correction may be made.
　本発明を詳細にまた特定の実施態様を参照して説明したが、本発明の精神と範囲を逸脱することなく様々な変更や修正を加えることができることは当業者にとって明らかである。
　本出願は、2011年2月16日出願の日本特許出願No.2011-031152に基づくものであり、その内容はここに参照として取り込まれる。 Although the invention has been described in detail and with reference to specific embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.
This application is based on Japanese Patent Application No. 2011-031152 filed on February 16, 2011, the contents of which are incorporated herein by reference.
　本発明は、細かい手書きイメージを容易に描くことが可能な携帯端末装置、表示制御プログラム等に有用である。 The present invention is useful for a portable terminal device capable of easily drawing a fine handwritten image, a display control program and the like.
１　携帯端末装置
１０　入力検知部
２０　表示制御部
２１　拡大率算出部
２２　移動量算出部
２３　演算補正部
３０　表示部 1 Mobile terminal device 10 Input detection unit 20 Display control unit 21 Magnification ratio calculation unit 22 Movement amount calculation unit 23 Calculation correction unit 30 Display unit

Claims (8)

  1. 　タッチパネルを介してイメージを入力する入力部と、
    　前記入力部により入力されたイメージと、前記入力部によりイメージを入力するための入力領域の端部の少なくとも一部を提示する入力領域提示線と、を表示する表示部と、
    　前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部により表示される表示領域を制御する表示制御部と、
    　を備える携帯端末装置。     An input unit for inputting an image through the touch panel;
    A display unit for displaying an image input by the input unit and an input area presentation line presenting at least a part of an end of the input area for inputting the image by the input unit;
    A display control unit that controls a display area displayed by the display unit such that an end of the input area is recognized based on the input area presentation line;
    Mobile terminal device comprising
  2. 　請求項１に記載の携帯端末装置であって、
    　前記入力部は、前記表示領域を制御するための制御入力を行い、
    　前記表示制御部は、前記入力部による前記制御入力に基づいて前記表示領域を制御する入力追従制御部と、前記入力追従制御部により制御された表示領域において、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示領域を補正する表示領域補正部と、を備える携帯端末装置。     The mobile terminal device according to claim 1, wherein
    The input unit performs a control input for controlling the display area,
    The display control unit controls an input tracking control unit that controls the display area based on the control input by the input unit, and an end portion of the input region is a display area controlled by the input tracking control unit. A display area correction unit configured to correct the display area so as to be recognized based on an area presentation line.
  3. 　請求項２に記載の携帯端末装置であって、
    　前記表示領域補正部は、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部の拡大率を補正する携帯端末装置。     The mobile terminal device according to claim 2, wherein
    The mobile terminal device according to claim 1, wherein the display area correction unit corrects a magnification of the display unit such that an end of the input area is recognized based on the input area presentation line.
  4. 　請求項２に記載の携帯端末装置であって、
    　前記表示領域補正部は、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示領域の位置を補正する携帯端末装置。     The mobile terminal device according to claim 2, wherein
    The mobile terminal device according to claim 1, wherein the display area correction unit corrects the position of the display area such that an end of the input area is recognized based on the input area presentation line.
  5. 　請求項２ないし４のいずれか１項に記載の携帯端末装置であって、
    　前記表示領域補正部は、前記入力部による入力方向とは直交する方向に複数の前記入力領域提示線が提示されるよう、前記表示領域を補正する携帯端末装置。     The mobile terminal device according to any one of claims 2 to 4, wherein
    The mobile terminal device, wherein the display area correction unit corrects the display area such that a plurality of the input area presentation lines are presented in a direction orthogonal to an input direction by the input unit.
  6. 　請求項２ないし５のいずれか１項に記載の携帯端末装置であって、
    　前記表示領域補正部は、前記表示領域の補正前及び前記表示領域の補正後での前記表示領域の変化量が所定量以下の場合に限り、前記表示領域を補正する携帯端末装置。     The mobile terminal device according to any one of claims 2 to 5, wherein
    The mobile terminal device according to claim 1, wherein the display area correction unit corrects the display area only when the change amount of the display area before the correction of the display area and after the correction of the display area is equal to or less than a predetermined amount.
  7. 　タッチパネルを介して入力されたイメージを表示するための表示制御方法であって、
    　前記イメージと、前記イメージを入力するための入力領域の端部の少なくとも一部を提示する入力領域提示線と、を表示部により表示するステップと、
    　前記イメージが入力されるときに、前記入力領域の端部が前記入力領域提示線に基づいて認識されるよう、前記表示部により表示される表示領域を制御するステップと、
    　を有する表示制御方法。     A display control method for displaying an image input through a touch panel, comprising:
    Displaying on the display unit the image and an input area presentation line presenting at least a part of an end of the input area for inputting the image;
    Controlling a display area displayed by the display unit so that an end of the input area is recognized based on the input area presentation line when the image is input;
    Display control method.
  8. 　請求項７に記載の表示制御方法の各ステップをコンピュータに実行させるための表示制御プログラム。 A display control program for causing a computer to execute each step of the display control method according to claim 7.
PCT/JP2012/000887 2011-02-16 2012-02-09 Portable terminal device, display control method, and display control program WO2012111289A1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689367A (en) * 1992-09-07 1994-03-29 Hitachi Ltd Handwriting information processor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689367A (en) * 1992-09-07 1994-03-29 Hitachi Ltd Handwriting information processor

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