KR101678220B1 - Apparatus and method for controlling image in portable terminal - Google Patents

Abstract

A method for controlling an image in a portable terminal, the method comprising: displaying a predetermined image on a touch screen, sensing an event type for a selected partial image area due to user input means contact in the displayed image, Activating the selected partial image area based on a predetermined edge area corresponding to an event type and controlling the activated partial image area according to a user input state.

Description

[0001] APPARATUS AND METHOD FOR CONTROLLING IMAGE IN PORTABLE TERMINAL [0002]

The present invention relates to a portable terminal having a touch screen. More particularly, the present invention relates to a portable terminal capable of sensing a touch input of a user generated in a predetermined area of an image displayed on the touch screen and enlarging / And more particularly, to a method and apparatus for controlling an image.

Due to the technological development of the mobile device, the mobile communication terminal is equipped not only with a simple telephone communication function but also with various multimedia functions and can connect to the Internet. In particular, in a device equipped with a PDA function such as a smart phone A variety of applications are running, and it has a variety of application services such as MP3, camera, wireless Internet, e-mail and messaging services as well as mobile phone functions.

As the number of application services increases, various applications such as various images obtained through cameras, a web screen including images and texts acquired through the Internet, various information data stored in the portable terminal, . ≪ / RTI >

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram illustrating a schematic operation of a general portable terminal when enlarging an image. FIG.

Referring to FIG. 1, when a user wants to enlarge a predetermined area of an image displayed on a screen of a portable terminal as shown in (a) and (b) Due to the enlarged area, it is impossible to enlarge or reduce the size of the area beyond the preset area. Therefore, there arises a problem that the enlargement / reduction function can not adaptively adapt to the image which is variously requested according to the characteristics of the user or the user do.

The present invention relates to an image control method in a portable terminal for enabling a user to utilize an adaptive image enlargement / reduction function for each user by sequentially zooming in and zooming a zoom magnification of a predetermined area selected from a user in an image displayed on a touch screen And devices are required.

According to one aspect of the present invention, there is provided a method of controlling an image in a portable terminal, the method comprising: displaying a predetermined image on a touch screen and detecting an event type for a selected partial image area due to user input means contact in the displayed image And activating the selected partial image region based on a predetermined edge region corresponding to the detected event type and controlling the activated partial image region according to a user input state .

According to another aspect of the present invention, there is provided an image control device in a portable terminal, comprising: a touch screen and a predetermined image displayed on a touch screen; and an event type for a partial image area selected due to user input means contact in the displayed image area And a control unit for activating the selected partial image area based on a predetermined edge area corresponding to the detected event type and controlling the activated partial image area according to a user input state, .

According to the present invention, by detecting a touch input state of a user generated in a predetermined area of an image displayed on a touch screen and enlarging / reducing a specific image area, a zoom magnification of a specific image area is calculated It is possible to control the image adaptively according to the user by sequentially zooming in and out.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a schematic operation of a general portable terminal when enlarging an image. FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mobile terminal.
3 is a diagram illustrating an example of a screen for performing image control in a portable terminal according to another exemplary embodiment of the present invention.
4 is a flowchart of an image control method in a portable terminal according to an embodiment of the present invention.
5 is a block diagram of an image control apparatus in a portable terminal according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. It will be obvious to those who have it.

The portable terminal according to the present invention is implemented by a touch screen method and is for enlarging / reducing a specific image area by detecting a touch input of a user generated in a predetermined area of an image displayed on a touch screen of the portable terminal, The present invention provides a technique for sequentially enlarging / reducing a zoom magnification of a specific image area in accordance with an input state (for example, a number of times and a moving direction) of each touch input so that an adaptive image enlargement / reduction function for each user can be used .

In addition, the portable terminal according to the embodiment of the present invention is preferably a mobile communication terminal having a touch screen, and may be a digital broadcasting terminal, a personal digital assistant (PDA), a smart phone, Such as an IMT-2000 (International Mobile Telecommunication 2000) terminal, a WCDMA (Wideband Code Division Multiple Access) terminal, a GSM / GPRS (Global System for Mobile Communication Packet Radio Service), and a UMTS (Universal Mobile Telecommunication Service It will be apparent that the present invention can be applied to a device and a multimedia device and an application therefor.

Hereinafter, the term " user input " described below means "intention " which a user desires to input through an input unit such as a touch screen of the portable terminal. For example, The user input is generated by touching a certain point or area of the touch screen.

The touch may include a single tap for selecting or activating an object, a display type or a double tap for switching the screen, a drag for dragging a point of the touch screen to another position a pinching operation or an unpinching operation which is an operation for making two fingers apart from each other on the touch screen stick to each other in order to reduce or reduce something, and an operation flipper which bounces up and down on the touch screen A long touch press, which is an operation of pressing an object for a predetermined time, and a short touch press, which is an operation of pressing the object for a shorter time than the long touch press.

With respect to such user input, an embodiment of the present invention will be described by taking a drag operation as an example. The present invention is not limited thereto.

First, an operation of performing image control in a portable terminal according to an embodiment of the present invention will be schematically described with reference to FIG.

2 (a) shows an image displayed on the touch screen of the portable terminal. In the displayed image, the specific region 202 is contacted with a user using a user input means such as a finger, a stylus pen, or the like , And when the user touched, an active portion (not shown) is displayed in the displayed entire image area by enlarging (zooming-in) a specific region selected and touched due to the touch of the user input means as shown in (b) And is displayed as an image area 201.

At this time, the activated partial image region 201 is selected based on the touch of the user input means and detects an event type for the touched partial image region, and is generated based on a predetermined edge region for each event type The event type includes a long, short-press touch, tap, or flick type generated on the touch screen due to user's touch, and indicates any one of the pointing operation types. The activated partial image area 201 is displayed for activating a partial image area selected from the user based on edge areas of different sizes set in advance for each event type. For example, Wherein when the event type generated in the area is a long press touch, an edge area of a preset size is displayed and activated in the long press touch input. In case of a short press touch, the size of the short press touch input The edge area of the input image is smaller than the edge area set in the input, and the partial image area selected and activated by the user is an area where the user wants to enlarge / reduce the image displayed on the touch screen.

At this time, if no user input is generated within a predetermined time with respect to the activated partial image region 201, the activated partial image region 201 is released, and as shown in FIG. 2 (c) Only.

Referring to FIG. 2 (d), an operation of controlling the activated partial image area 201 according to a user input state is shown, wherein the user input state means the number of times, direction and moving state of the drag input , And sequentially enlarges / reduces the zoom magnification of the activated partial image area 201 according to a user drag operation.

As shown in FIG. 2 (d), when the user input means moves in a predetermined direction at the time of dragging, the size of the activated partial image region 201 is adjusted in the same direction as the drag input direction. This is performed by recognizing the input coordinates corresponding to the corresponding area in which the user input means is touched on the touch screen. The size of the drag input may be adjusted by counting the number of times of the drag input from the initially generated drag input, Based on the input coordinates of the first generated region, the size is adjusted according to whether the single or continuous drag input is forward or backward. Accordingly, the activated partial image area 201 is increased (zoomed in) or decreased (zoomed out) according to the user input state, that is, the number of drag operations, the direction, and the movement state.

On the other hand, the image means all the text or image data which can be displayed on the touch screen of the portable terminal and can be pointed by the user input means.

Next, an operation of performing image control in the portable terminal according to another embodiment of the present invention will be schematically described with reference to FIG.

3 (a) shows an image displayed on the touch screen of the portable terminal. In the displayed image, the specific area 302 is contacted with a user using a user input means such as a finger, a stylus pen, or the like , A specific region 304 selected by touching the user input means and touched is displayed as an active partial image region 304 in the displayed entire image region as shown in (b) And at the same time an icon 303 is created in the neighboring area of the activated partial image area 304.

At this time, the activated partial image area 304 is selected based on the touch of the user input means and senses an event type for the touched partial image area 302, and based on the edge area preset for each event type, And the icon 303 is generated in order to adjust the size of the activated partial image area 304 according to an event input resulting from the user input means contact generated in the corresponding icon 303. [

More specifically, the icon 303 counts the number of times of input from the event input originally generated in the icon 303 and compares the number of times of input with a preset threshold value, and when the icon 303 does not exceed the preset threshold value, Shape, and when exceeding, the icon 303 generates an icon of a shape different from "+ ".

Accordingly, depending on whether the activated partial image area 303 can be enlarged (zoomed in), the icon 303 maintains a "+" shape or displays a different shape. However, in the embodiment of the present invention for the event input generated in the icon 303, the operation has been described on the premise that the short-press touch input or the tap input operation is performed. However, the present invention is not limited thereto will be. The partial image area 303 selected and activated by the user may be an area to be enlarged / reduced in the image displayed on the touch screen by the user who can adjust the area according to the event state occurring in the icon 303.

The icon 303 shown in FIG. 3 (b) and the icon 305 shown in FIG. 3 (c) all maintain the shape of "+" And the possibility of enlargement. When the event input caused by the user input means contact generated in the icon 305 shown in FIG. 3C exceeds a predetermined threshold value, the icon 306 shown in FIG. 3 (d) - ", and the activated partial image area 305 is enlarged in size as compared with the case where the "+" shaped icon exists in the neighboring area.

Hereinabove, a screen exemplary view at the time of image control in the portable terminal according to the embodiment of the present invention has been schematically illustrated.

Hereinafter, an image control method in a portable terminal according to an embodiment of the present invention will be described in detail with reference to FIG.

4 is a flowchart illustrating an image control method in a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. 4, first, in step 410, a predetermined image is displayed on the touch screen, and in step 412, whether or not the user input means touches a predetermined area in the image displayed on the touch screen is checked. If it is determined that the user input means has been contacted as a result of the check, the process moves to step 414 and checks whether the event type is detected for the selected partial image area due to the user input means contact.

As a result of the check, if the event type is detected, the process moves to step 416 and activates the selected partial image area based on a preset edge area corresponding to the detected event type.

At this time, the activated partial image area is selected based on the touch of the user input means, and detects an event type for the touched partial image area, and is generated based on the edge area already set for each event type. A short press type, a tap, or a flick type generated on the touch screen due to a user's touch, indicating a type of pointing operation.

The activated partial image area is displayed in order to activate a partial image area selected from the user based on edge areas of different sizes set in advance for each event type. For example, the activated partial image area is generated in a specific area of the image displayed on the touch screen When the event type is a long press touch, an edge area of a preset size is displayed and activated in the long press touch input. In case of a short press touch, the size of the short press touch input is set to a preset size Edge area of the touch screen, and the partial image area selected and activated by the user is an area that the user wants to zoom in / out on the image displayed on the touch screen.

In step 417, it is checked whether a user input is generated within a preset time in the partial image area activated in step 416. If the user input is not generated within a predetermined time as a result of the check, Thereby releasing the activated partial image area.

If the user input is generated within the predetermined time, the process moves to step 418 and controls the activated partial image area according to the user input state.

More specifically, the user input state refers to the number, direction, and movement state of the drag input, and the zoom magnification of the activated partial image region is sequentially enlarged / reduced according to the user drag operation. When the user input means moves in a predetermined direction during the drag input, the size of the activated partial image region is adjusted in the same direction as the drag input direction. This is performed by recognizing the input coordinates corresponding to the corresponding area in which the user input means is touched on the touch screen. The size of the drag input may be adjusted by counting the number of times of the drag input from the initially generated drag input, Based on the input coordinates of the first generated region, the size is adjusted according to whether the single or continuous drag input is forward or backward. Accordingly, the activated partial image area is increased (zoomed in) or decreased (zoomed out) according to the user input state, that is, the number of drag, direction, and movement state.

In the foregoing, an image control method in a portable terminal according to an embodiment of the present invention has been described.

Hereinafter, an image control apparatus in a portable terminal according to an embodiment of the present invention will be described in detail with reference to FIG.

5 is a block diagram illustrating a configuration of an image control apparatus 500 in a portable terminal according to an embodiment of the present invention.

5, the image control device in the portable terminal 500 includes a wireless communication unit 512, a touch screen 514, a control unit 510, and a memory 516. However, The image control device of the terminal 500 may further include a camera, a speaker, a microphone, and the like.

The radio communication unit 512 receives a radio downlink signal from the public using an antenna, and outputs downlink data obtained by demodulating the radio downlink signal to the control unit 510. The wireless communication unit 512 modulates the uplink data input from the controller 510 to generate a wireless uplink signal, and wirelessly transmits the generated uplink wireless signal to the public using an antenna. The modulation and demodulation may be performed according to a code division multiple access (CDMA) scheme, a frequency division multiplexing (FDM) scheme, a time division multiplexing (TDM) scheme, Method or the like.

The touch screen 514 may be displayed on the screen (for example, a plurality of service functions and / or functions) so that the user can check the process and the result of the operation according to the input signals of all applications supported by the portable terminal, And an input unit (not shown) for generating a contact interruption when the user input means contacts the display unit and outputting the generated contact interruption to the control unit 510.

That is, an image according to the control of the control unit 510 is displayed. When a user's input means such as a hand finger, a stylus pen or the like touches the surface, an interrupt is generated. To the controller 512, the event type and the user input state generated in a predetermined area including the input coordinates and the input state according to the control of the control unit 512.

The controller 510 generally controls the overall operation of the portable terminal. For example, voice communication, data communication, video communication, and the like.

In addition, the controller 512 may display a predetermined image on the touch screen, detect an event type for a selected partial image area due to a user input means contact in the displayed image area, and correspond to the detected event type And activates the selected partial image area based on the user input state.

The control unit 512 controls the activated partial image area to be released if no user input is generated within a predetermined time in the activated partial image area.

Meanwhile, the controller 512 activates the selected partial image area, generates an icon in the neighboring area, and controls the activated partial image area according to the event input generated in the icon.

The memory 516 stores various information and user storage information selected based on the user selection information.

The memory 516 may store a program for processing and controlling the controller 512 and may temporarily store temporary data of input / output data (e.g., a phone book, a message, a media player, And stores a plurality of image data displayed on the touch screen.

As described above, the operation of the image control method and the apparatus for providing the same in the portable terminal according to the present invention can be performed. While the present invention has been described with reference to the exemplary embodiments, And can be carried out without leaving. Accordingly, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by equivalents of the claims and the claims.

512. Wireless communication unit 510. Control unit
514. Touch Screen 516. Memory

Claims (14)

A method for controlling an image in a portable terminal,
Displaying an image on a touch screen and detecting an event type for a selected partial image area due to user input means contact in the displayed image;
Displaying an activation state of the selected partial image region based on a preset edge region corresponding to the detected event type among edge regions of different sizes preset for each event type;
And displaying the activated partial image region according to a user input state. The method of claim 1,
And a pointing operation of any one of a long, a short press touch, a tap, and a flick generated on the touch screen due to user's touch. Control method. The method as claimed in claim 1, wherein the step of displaying the activated partial image region,
And enlarging or reducing the activated partial image region using a user input means. 2. The method of claim 1,
A direction, and a movement state of the drag input. The method of claim 1,
Wherein the zoom-in / zoom-out area is formed in an area to be enlarged or reduced in the image displayed on the touch screen, the size being set differently according to the event type. 2. The image processing apparatus according to claim 1,
Wherein the enlargement / reduction ratio is increased or decreased according to a user input state. The method according to claim 1,
And releasing the activated partial image area if no user input is generated within a predetermined time in the activated partial image area. 2. The method of claim 1,
Wherein the image data is text or image data that can be pointed by the user input means. 1. An image control device in a portable terminal,
Touch screen and
The method of claim 1, further comprising the steps of: displaying a predetermined image on a touch screen; sensing an event type for a selected partial image area due to contact with user input means in the displayed image area; And a controller for displaying an activated state of the selected partial image region based on a predetermined edge region corresponding to the detected event type and displaying the activated partial image region according to a user input state Wherein the image display device is a portable terminal. 10. The apparatus according to claim 9,
And releases the activated partial image area if no user input is generated within a predetermined time in the activated partial image area. 10. The apparatus according to claim 9,
Wherein the selected partial image area is activated, an icon is generated in the neighboring area, and the activated partial image area is controlled according to the event input generated in the icon. 10. The method of claim 9,
A direction, and a moving state of the drag input. The method of claim 9,
Wherein the size of the zoom-in / zoom-out / zoom-in / zoom-out / zoom-in / zoom-out / zoom-in / zoom-out / zoom- 10. The method of claim 9,
And a pointing operation of any one of a long, a short press touch, a tap, and a flick generated on the touch screen due to user's touch. controller.

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