KR101538381B1 - Mobile terminal having a function for image composition and control method thereof - Google Patents

Abstract

The present invention relates to a mobile terminal having a video synthesizing function and a control method thereof, in which a character input in a photographing mode using a camera is combined with a still image or a moving image to be photographed. In addition, a specific effect can be set on a character inputted through a touch input and a position of an input character can be changed, so that a unique screen of an image photographed through characters having various effects can be produced.

Mobile terminal, touch, image, synthesis, character

Description

Technical Field [0001] The present invention relates to a mobile terminal and a control method thereof,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a mobile terminal having a video composition function and a control method thereof, and more particularly, to a portable terminal and a control method thereof.

A portable terminal is a portable device having one or more functions capable of carrying out voice and video communication, capable of inputting and outputting information, and storing data, while being portable. As the functions of the portable terminal have diversified, they have complicated functions such as photographing and photographing of a movie, playback of a music file or a video file, reception of a game, reception of broadcasting, wireless Internet, etc., and a comprehensive multimedia device .

The portable terminal implemented in the form of a multimedia device includes not only the user's request for improvement of the shooting function such as the improvement of the resolution according to the still image or moving picture shooting but also the improvement .

In particular, as a number of terminals for providing touch input using a touch screen are increased in a portable terminal, a variety of operation control functions of the portable terminal are provided by a touch input in a portable terminal having a touch input function, Which provides only simple functions such as menu selection. It is necessary to provide a function for applying various effects according to the image presentation utilizing the free input function of the touch input.

Accordingly, it is an object of the present invention to provide a portable terminal and a control method thereof, in which a variety of effects are applied to an input character while using a touch screen to synthesize the input image with a captured image.

According to another aspect of the present invention, there is provided a method of controlling a portable terminal, the method comprising: displaying a preview screen when setting a video capture mode; inputting character data; displaying the preview data on a predetermined area of the preview screen; And synthesizing the character data with the captured image and storing the synthesized character data.

Meanwhile, a portable terminal according to the present invention includes a camera for capturing an image, a display unit for outputting a preview image as an image input from the camera when setting a capture mode, and a plurality of input keys, A user input unit for inputting at least one combination of character data and a control unit for controlling the character data to be displayed in any one area of the preview screen and controlling the combination of the image captured by the camera and the character data to be stored .

According to the present invention, when the shooting mode is set, effects are applied to the characters input in the preview screen, and characters synthesized with a specific effect are synthesized and stored in the captured still image or moving image, So that it is possible to improve the user's satisfaction, and it is possible to easily set the effect through the touch input, thereby improving the user's convenience.

Hereinafter, the present invention will be described in detail with reference to the drawings.

The portable terminal described in this specification includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and navigation.

FIG. 1 is a block diagram of a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. Referring to FIG. 1, a mobile terminal according to an exemplary embodiment of the present invention will be described in terms of its functional components.

1, the portable terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, A memory 160, an interface unit 170, a control unit 180, and a power supply unit 190. When these components are implemented in an actual application, two or more components may be combined into one component as needed, or one component may be divided into two or more components.

The wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 113, a wireless Internet module 115, a short distance communication module 117, and a GPS module 119.

The broadcast receiving module 111 receives at least one of a broadcast signal and broadcast related information from an external broadcast management server through a broadcast channel. At this time, the broadcast channel may include a satellite channel, a terrestrial channel, and the like. The broadcast management server may refer to a server for generating and transmitting at least one of a broadcast signal and broadcast related information and a server for receiving at least one of the generated broadcast signal and broadcast related information and transmitting the broadcast signal to the terminal.

The broadcast-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal. The broadcast-related information can also be provided through a mobile communication network, in which case it can be received by the mobile communication module 113. Broadcast-related information can exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) ), Digital Video Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcasting systems that provide broadcasting signals, as well as the digital broadcasting system. The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 113 transmits and receives a radio signal to at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to a voice call signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 115 refers to a module for wireless Internet access, and the wireless Internet module 115 can be embedded in the mobile terminal 100 or externally. The short-range communication module 117 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology. A GPS (Global Position System) module 119 receives position information from a plurality of GPS satellites.

The A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 123. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. Then, the processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ More than two cameras 121 may be provided depending on the configuration of the terminal.

The microphone 123 receives an external sound signal by a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 113 and output when the voice data is in the call mode. The microphone module 123 may use various noise reduction algorithms for eliminating noise generated in receiving an external sound signal.

The user input unit 130 generates key input data that the user inputs to control the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, a touch pad (static / static), a jog wheel, a jog switch, a finger mouse, and the like. Particularly, when the touch pad has a mutual layer structure with the display unit 151 described later, it can be called a touch screen.

The sensing unit 140 senses the current state of the portable terminal 100 such as the open / close state of the portable terminal 100, the position of the portable terminal 100, Thereby generating a sensing signal. For example, when the portable terminal device 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, a sensing function related to whether or not the power supply unit 190 is powered on, whether the interface unit 170 is coupled to an external device, and the like can be handled.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 may include a display unit 151, an audio output module 153, and an alarm unit 155.

The display unit 151 displays and outputs the information processed by the portable terminal 100. For example, when the portable terminal 100 is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the portable terminal 100 is in the video communication mode or the photographing mode, the photographed or received images can be displayed individually or simultaneously, and the UI and the GUI are displayed.

Meanwhile, as described above, when the display unit 151 and the touch pad have a mutual layer structure to constitute a touch screen, the display unit 151 can be used as an input device in addition to the output device. If the display unit 151 is configured as a touch screen, it may include a touch screen panel, a touch screen panel controller, and the like. In this case, the touch screen panel is a transparent panel attached to the outside, and can be connected to a bus inside the portable terminal. The touch screen panel keeps a watch on the contact result, and if there is a touch input, sends the corresponding signals to the touch screen panel controller. The touch screen panel controller processes the signals, and then transmits corresponding data to the controller 180 so that the controller 180 can know whether the touch input was made or not and which area of the touch screen has been touched .

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, And a display (3D display). There may be two or more display units 151 according to the implementation mode of the portable terminal 100. [ For example, the portable terminal 100 may include an external display unit (not shown) and an internal display unit (not shown) at the same time.

The audio output module 153 outputs audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 153 outputs sound signals related to functions performed in the portable terminal 100, for example, a call signal reception tone, a message reception tone, and the like. The sound output module 153 may include a speaker, a buzzer, and the like.

The alarm unit 155 outputs a signal for notifying the occurrence of an event of the portable terminal 100. Examples of events occurring in the portable terminal 100 include call signal reception, message reception, and key signal input. The alarm unit 155 outputs a signal for notifying the occurrence of an event in a form other than an audio signal or a video signal. For example, it is possible to output a signal in a vibration mode. When a call signal is received or a message is received, the alarm unit 155 may output a vibration to notify it. Alternatively, when the key signal is input, the alarm unit 155 can output the vibration by the feedback to the key signal input. This vibration output allows the user to recognize the occurrence of an event. Of course, a signal for notifying the occurrence of an event may also be output through the display unit 151 or the sound output module 153.

The memory 160 may store a program for processing and controlling the control unit 180 and may store a function for temporarily storing input or output data (e.g., a phone book, a message, a still image, .

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM , And a ROM. ≪ / RTI > In addition, the portable terminal 100 may operate a web storage for storing the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the portable terminal 100. Examples of the external device connected to the portable terminal 100 include a card socket such as a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a SIM / UIM card, / Output, Video I / O, and Earphone. The interface unit 170 receives data from the external device or receives power from the external device and transmits the received data to each component in the portable terminal 100. The interface unit 170 can transmit the data in the portable terminal 100 to an external device have.

The controller 180 typically controls the operation of the respective units to control the overall operation of the mobile terminal 100. For example, voice communication, data communication, video communication, and the like. In addition, the control unit 180 may include a multimedia playback module 181 for multimedia playback. The multimedia playback module 181 may be configured in hardware in the controller 180 or separately from software in the controller 180. [

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The portable terminal according to the present invention has been described in terms of components according to functions. Hereinafter, with reference to FIG. 2 and FIG. 3, the portable terminal related to the present invention will be described in more detail from the viewpoint of the components according to the external form. Hereinafter, for convenience of explanation, a slider-type portable terminal will be described as an example of various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, and the like. In this case, in the case of the slider type, both of the type that slides in the vertical direction and the type that slides in the horizontal direction may be included, but the type that slides in the horizontal direction will be described as an example. However, the present invention is not limited to a slider type portable terminal, but can be applied to all types of portable terminals including the above-mentioned type.

2 is a perspective view of a portable terminal according to an embodiment of the present invention. Referring to FIG. 2, the portable terminal includes a first body 100A and a second body 100B configured to be slidable along at least one direction with respect to the first body 100A.

The state where the first body 100A is disposed in a state of being overlapped with the second body 100B may be referred to as a closed configuration and the first body 100A may be referred to as a second body 100B ) May be referred to as an open configuration.

While the portable terminal 100 is in the closed state, it operates mainly in the standby mode, but the standby mode is also canceled by the user's operation. While the portable terminal 100 is open, it operates mainly in a communication mode, but it is also switched to a standby mode by a user's operation or a predetermined period of time.

The case constituting the outer appearance of the first body 100A is formed by the first front case 100A-1 and the first rear case 100A-2. Various electronic components are embedded in the space formed by the first front case 100A-1 and the first rear case 100A-2. At least one intermediate case may be additionally disposed between the first front case 100A-1 and the first rear case 100A-2. Such cases may be formed by injection molding of a synthetic resin, or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display module 151, the first sound output module 153a, the first camera module 121a, and the first user input unit 130a are connected to the first body 100A, specifically, the first front case 100A- Can be disposed. The microphone 123 may be disposed on the side surface of the rear case 100A-2.

The display module 151 includes a liquid crystal display (LCD), an OLED (Organic Light Emitting Diodes), and the like that visually express information. The display module 151 may be configured so that the display module 151 operates as a touch screen so that information can be input by a user's touch by overlapping the touch pad with the layer structure.

The first acoustic output module 153a may be implemented in the form of a receiver or a speaker. The first camera module 121a may be adapted to photograph an image or a moving image of a user or the like.

Like the first body 100A, the case constituting the outer appearance of the second body 100B is formed by the second front case 100B-1 and the second rear case 100B-2. The second user input unit 130b may be disposed on the front face of the second body 100B, specifically, the second front case 100B-1. A second user input unit 130b, a third user input unit 130c and a fourth user input unit 130d are disposed in at least one of the first front case 100B-1 or the second rear case 100B- .

The first to fourth user input units 130a, 130b, 130c and 130d may be collectively referred to as a manipulating portion 130. If the user operates in a tactile manner with a tactile impression, Can be employed. For example, the user input unit 130 may be implemented as a dome switch or a touch pad capable of receiving a command or information by a push or a touch operation of a user, or may be a wheel, a jog type, Method or the like. In terms of functions, the first user input unit 130a is for inputting commands such as start, end, and scroll, and the second user input unit 130b is for inputting numbers, characters, symbols, and the like. In addition, the third user input unit 130c is for inputting an operation mode selection and the fourth user input unit 130d is a hot-key for activating a special function in the portable terminal. have.

The microphone 123 may be implemented in a form suitable for receiving voice, sound, etc. of the user.

3 is a rear perspective view of the portable terminal shown in FIG. Referring to FIG. 3, a second camera module 121b may be further mounted on the rear surface of the second rear case 100B-2 of the second body 100B. The fifth user input unit 130e, the sixth user input unit 130f, and the interface unit 170 may be disposed on the side of the second rear case 100B-2.

The second camera module 121b has a photographing direction substantially opposite to that of the first camera module 121a and may have pixels different from those of the first camera module 121a.

For example, the first camera module 121a has low pixels so that it is easy to capture a face of a user in the case of a video call or the like and transmit the face to the other party. The second camera module 121b photographs a general subject It is preferable to have a high pixel because it is often not transmitted.

A flash 125 and a mirror 126 may be additionally disposed adjacent to the second camera module 121b. The flash 125 shines light toward the subject when the subject is photographed by the second camera module 121b. The mirror 126 allows the user to illuminate the user's own face or the like when the user intends to photograph (self-photograph) himself / herself using the second camera module 121b.

The interface unit 170 enables the portable terminal according to the present invention to exchange data with an external device. For example, the interface unit 170 may be at least one of a connection terminal for connecting to an earphone, a port for short-range communication, or power supply terminals for supplying power to the portable terminal 100, have. The interface unit 170 may be a card socket that accommodates an external card such as a SIM (subscriber identification module) or a UIM (user identity module), a memory card for information storage, and the like.

And the second sound output module 153b may be additionally disposed in the second rear case 100B-2. The second sound output module 153b may implement a stereo function together with the first sound output module 153a and may be used for a call in a speakerphone mode.

On one side of the second rear case 100B-2, a broadcast signal receiving antenna 105 may be disposed in addition to an antenna for communication. The antenna 105 can be installed to be drawable from the second body 100B (2). A part of the slide module 100C that slidably connects the first body 100A and the second body 100B is disposed on the first rear case 100A-2 side of the first body 100A. The other part of the slide module 100C may be disposed on the second front case 100B-1 side of the second body 100B and may not be exposed to the outside as shown in Fig.

The second rear case 100A-2 is provided with a power supply unit 190 for supplying power to the portable terminal. The power supply unit 190 may be a rechargeable battery, for example, and may be detachably coupled to the rear case 100A-2 for charging or the like.

In the above description, the second camera 121b and the like are disposed in the rear case 100A-2, but the present invention is not limited thereto. Also, the second camera 12b may be separately provided, but the first camera 121a may be configured to be rotatable so that the first camera 121a can be photographed up to the photographing direction of the second camera 121b.

 At least one of the structures 105, 121b, 125, and 126 described as being disposed in the second rear case 100B-2, such as the second camera module 121b, But it is also possible to mount mainly on the first rear case 100A-2. In such a configuration, there is an advantage that the structures disposed in the first rear case 100A-2 in the closed state are protected by the second body 100B. Also, the second camera module 121b may be separately provided, but the first camera module 121a may be configured to be rotatable so that the first camera module 121a can be photographed up to the photographing direction of the second camera module 121b.

4 is a front view illustrating an example of a user input unit of the portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. 4, when the second body 100B slides from the first body 100A and is opened, the portable terminal is moved from the second body 100B to the second body 100B, 2 user input unit 130b is exposed to the outside.

4 (a) shows a second user input unit 130b is a QWERTY keyboard 200a, and FIG. 4 (b) shows a second user input unit 130b with a keypad 200b.

The second user input unit 130b is for inputting numbers, letters, symbols, and the like, and includes a plurality of input keys. When each of the input keys is operated, the controller 180 controls the display unit 151 to display the numbers, letters, and symbols assigned to the input keys on the screen. In addition, the menu assigned to each input key is called and displayed on the display unit 151. [

In this case, when a plurality of input keys are operated while the photographing mode is set to the portable terminal, the second user input unit 130b applies a signal corresponding to each of the input keys to the control unit 180, A combination of numbers, characters, and symbols is displayed on the preview screen as character data.

Here, the first to fourth input keys 241 to 244 included in the second user input unit 130b are selected by the photographing mode, and the character data input as described above is displayed on the preview screen, Is selected, an instruction for calling an effect setting menu for character data is input.

The first input key 241 is used to input a command for calling a shape setting screen for setting a shape among the effect setting menus. The second input key 242 is used to input a font setting screen for setting a font The third input key 243 is for inputting a command for calling a color setting screen for setting a color among the effect setting menus and the fourth input key 244 is for inputting a command for previewing one of the effect setting menus And insert a command to display and remove the date on the screen.

The first to fourth input keys 241 to 244 are input keys for inputting character data by assigning numbers, letters, or symbols, respectively. The input keys include numbers, characters Or a symbol, and a key for inputting a command for calling an effect setting menu upon inputting a Long-Key.

As another example, the first to fourth input keys 241 to 244 are input keys for inputting character data by assigning numerals, characters, or symbols, respectively. In the preview screen of the shooting mode, The key is operated as a key for inputting an assigned number, letter or symbol, and for inputting a command for calling an effect setting menu according to the shortcut setting assigned to each input key in two consecutive operations.

As another example, a fifth input key 245 for inputting a command for calling an effect setting menu on the preview screen of the shooting mode may be provided in the second user input unit 130b. If the first to fourth input keys 241 to 244 are operated separately from the fifth input key 245, a basic number, letter or symbol is input, and when the fifth input key 245 is operated simultaneously with the fifth input key 245, And a key for inputting a command for calling an effect setting menu according to the shortcut setting.

As another example, the first to fourth input keys 241 to 244 may be a separate key from the input key for inputting character data, or may be provided with a move key or a direction key 246 .

In the second user input unit 130b, the first through fifth input keys 241 through 245 may be changed to other input keys, and the present invention is not limited thereto.

5 is a flowchart illustrating a control method according to character synthesis in a photographing mode of a portable terminal according to an exemplary embodiment of the present invention.

5, when a camera photographing mode is set by a user or the like (S310), the controller 180 controls the camera 121 to set a photographing mode capable of photographing a still image or a moving image, (320) a preview screen in which an image frame inputted through the camera 121 is displayed on the display unit 151 is outputted.

If predetermined character data is input through the user input unit 130 in a state where the still image or the moving image can be captured at step 330, the control unit 180 displays the input character data on the preview screen of the display unit 151 To be displayed in a predetermined area (S340).

When the character data is selected through the touch input while the input character data is displayed on the preview screen, the control unit 180 controls the effect setting menu for the character data to be displayed in a predetermined area of the preview screen (S360) . 4, when the input key of the second user input unit 130b is operated to input an effect setting menu call command, the control unit 180 controls the corresponding effect setting menu to be displayed on the screen do.

Here, if the input character data is touched and dragged (370) without selecting the displayed effect setting menu, the control unit 180 controls so that the inputted character data is moved on the preview screen and displayed at the changed position (S380).

When a photographing instruction is inputted through the user input unit 130 in a state where the position of the character data is changed, the control unit 180 controls the camera 121 to photograph a still image or a moving image. At this time, the control unit 180 synthesizes the image frame and the inputted character data so that the image is stored (S390). The captured and synthesized image data is stored in the memory 160.

If a photographing command is input in the state where no additional character data is input, the image is captured through the camera 121 and stored (S400).

FIG. 6 is a flowchart illustrating a control method according to character settings in a photographing mode of a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. Referring to FIG. 6, when the photographing mode is set as described above with reference to FIG. 5, input character data is output to the preview screen of the display unit 151 (S410).

If the character data is touched to select the input character data on the preview screen (S420), the control unit 180 displays the effect setting menu for the character data input in the predetermined area of the preview screen of the display unit 151 Is displayed (S430).

Here, if the character data is not dragged after touching and the displayed effect setting menu is selected, the control unit 180 controls the operation to be performed corresponding to the selected effect setting menu. If an input key of the second user input unit 130b is operated and an effect setting menu call command is input, the control unit 180 controls the corresponding effect setting menu to be displayed on the screen.

At this time, if a shape menu is selected from among the effect setting menus (S440), the controller 180 controls the shape setting screen to be displayed on one of the screens of the display unit 151 (S450). Here, the shape setting screen includes a plurality of shape items that apply shadows and shadow effects to the inputted character data, or allow the shape of the character data to change in a diagonal or wavy shape.

Here, if any one of the shape items is selected through the touch input while being displayed on the shape setting screen, the control unit 180 controls so that the inputted character data corresponding to the selected shape item is changed and displayed. In addition, when the user touches and slides while the shape setting screen is being displayed, the control unit 180 causes a predetermined shape item corresponding to the slide shape to be selected, and controls so that the character data is changed and displayed according to the shape item. At this time, the character data is previewed for the selected shape item, and when another shape item is selected, the shape of the character data is changed corresponding to the selected shape item and displayed.

Thereafter, the control unit 180 applies the selected shape item to the character data so that character data is displayed on the preview screen, the shape setting screen is removed, and control is returned to the preview screen. If a predetermined shape item is touched twice continuously on the shape setting screen, the corresponding shape is applied to the character data without a separate preview output, and the changed shape is displayed (S460).

When the font menu is selected in the effect setting menu (S470), the controller 180 controls the font setting screen to be displayed on one side of the screen of the display unit 151 (S480). Here, the font setting screen is a menu for changing the font of the inputted character data, and it is possible to set a font such as 'Desktop', 'Roll', 'Border', 'Gothic', 'Arial' and 'Century' It contains a font item that you can change.

When any one of the font items is touched, the control unit 180 controls the font of the character data to be changed corresponding to the selected font item. At this time, the character data is changed to the selected font item as described above, and the font data of the corresponding font item is set as a font of character data at the time of two consecutive touches (S490).

In addition, when a color menu is selected in the effect setting menu (S500), the controller 180 controls the color setting screen to be displayed on any one of the screens of the display unit 151 (S510). Here, the color setting screen is a color table for designating the character color of the character data. If any one of the color items included in the color table is touched, the control unit 180 controls the character color of the character data to be changed to the selected color and preview output. If the user touches the color item for two consecutive times, Color, and controls the character data to be displayed in the set color (S520).

Here, when the effect, font, and color are set through the shape menu, the font menu, and the color menu, the control unit 180 removes the setting screen of each menu.

On the other hand, when a date menu is selected in the effect setting menu (S530), the control unit 180 controls the display unit 151 to display the corresponding date in a predetermined area of the screen (S540). At this time, the displayed date is based on the date of the corresponding date, and it is possible to change the date so that the date of the specific date is displayed in some cases. Here, when the date menu is touched again, the date displayed on the control unit 180 screen is controlled to be removed.

If the date displayed on the screen is touched and dragged (S550), the control unit 180 controls the displayed date to be changed to the dragged position and displayed (S560).

As described above, when a specific effect is set on the character data through the effect setting menu, the character data to which the effect is applied is displayed on the preview screen.

At this time, when a photographing command is input through the user input unit 130 or touch input (S570), the controller 180 controls the camera to photograph a still image or a moving image, and synthesizes the image frame and the character data as described above (S580).

FIGS. 7 to 11 are views for explaining a control method according to character synthesis in a photographing mode of a portable terminal according to an exemplary embodiment of the present invention, together with a screen displayed on a display unit.

7 is a screen for moving a position of a character input in the photographing mode of the portable terminal. 7A shows a preview screen 201 in which an image input through the camera 121 is displayed on the display unit 151 when a photographing mode is set by the user.

In the preview screen 201, an image frame inputted through the camera 121 is displayed in the background, and a menu item 251 for changing the setting of the shooting mode, a shooting item 252 for starting shooting, An item such as a quickview item 253 is displayed on one side of the preview screen 201. An exposure control bar 254 for adjusting the brightness of the image to be photographed, and a zoom-in bar 255 for adjusting the angle of view of the image to be photographed are displayed on either one of the upper, lower, left, and right sides of the preview screen. At this time, the displayed position may be changed and is not limited to the drawings.

7B shows a preview screen 201 on which character data input through the user input unit 130 is displayed. When numbers, characters, and symbols are input through the user input unit 130, The data 202 is displayed on either side of the preview screen 201. [ At this time, when the displayed character data 202 is touched, a selection guide 205 indicating that the character data 202 is selected is displayed. In addition, when the character data 202 is touched, the effect setting menu 210 is displayed on one side of the preview screen 201.

Here, the effect setting menu 210 includes a shape menu 211 for setting the type of character data, a shading effect, and a shadow effect, a font menu 212 for knowing the font of the character data, a color Menu 213, and a date menu 214 for inserting or deleting dates on the preview screen.

7C shows the movement of the displayed character data 202. When the character data 202 is touch and dragged 219 as shown in FIG. 7B, the character data is moved and displayed, When the drag is stopped and released, the character data 202 is displayed at the corresponding position 204.

 8 is a screen for applying an effect to a character input in a photographing mode of the portable terminal.

8A is a screen in which character data 202 is input, FIG. 8B is a screen in which a shape setting screen is displayed when a shape menu is selected, . When the basic type character data 202-1 is selected, the effect setting menu 210 is displayed on one side of the screen.

At this time, when the shape menu 211 is touched or at least one input key of the user input unit 130 is operated, the shape setting screen 260 is displayed as shown in FIG. 8B. Here, the shape setting screen 260 is a screen for setting the shape of the character data such that the character data has a shading, an outline or a shadow effect, and character data has a shape such as a wavy shape, an oblique shape, a trapezoid shape, to be.

When one of the shape items is touched, the shape of the character data is changed to the selected shape item and displayed. At this time, the shape of the character data is changed and displayed according to the shape item selected at the predetermined number of times of continuous touch, and at the same time, the shape of the character data is set. In some cases, shape items can be selected according to the direction of the touch input. For example, if the touch input is a diagonal shape, a diagonal shape can be selected.

8C is a screen in which a predetermined shape is set in the character data 202. When any one of the plurality of shape items is selected as described above, the shape of the character data is changed and displayed. At this time, upon completion of the setting, the shape setting screen 260 is removed from the screen, and the preview screen 201 is displayed.

9 is a screen for setting a font of a character input in the photographing mode of the portable terminal.

9A and 9B show a screen in which the font menu 212 is selected and a font setting screen. At this time, the character data 202 is in a state in which the shape is set. When the font menu 212 of the effect setting menu 210 after the selection of the character data 202 in FIG. 9A is selected by the touch or the input of the user input unit 130, The font setting screen 220 is displayed on a predetermined area of the screen.

At this time, the font setting screen 220 is a screen for setting a font of character data, and a font list is displayed on the screen. At this time, the font setting screen may be displayed in the form of a drop-down menu, and the settable fonts may be displayed as a list in which the settable fonts are displayed in a list, or the settable fonts may be displayed in a preview- have. Here, the present invention is described by way of example in the form of a drop-down menu, but the present invention is not limited to the drawings.

A plurality of font items 221 to 224 are displayed on the screen, and a movement item 226, 225 for changing to the previous list or the next list is displayed. When any one of the plurality of font items is touched, the font of the character data is changed and displayed. At this time, as described above, when two consecutive touches are performed, the corresponding font item is set as a font of character data and the font setting screen 220 is removed from the screen.

FIG. 10 is a screen for explaining colors of characters input in the photographing mode of the portable terminal. When the color menu 213 is selected, a color setting screen 230 is displayed. The color setting screen 230 displays a plurality of colors that can be set as a color table. When any one of the color items is selected and set, the character color of the character data is changed to the selected color and displayed. At this time, when touching twice, the corresponding color item is set to the character color of the character data, and the color setting screen 230 is removed.

FIG. 11 is a screen for displaying a date together with a character input in the photographing mode of the portable terminal. When the date menu 214 is touched or the selection is made through the user input unit 130, (271) is displayed on the screen. At this time, if the date menu 214 is re-selected while the date item 271 is displayed, the date item 271 is removed from the screen. Here, when the displayed date item 271 is touched and dragged, the position of the date item 271 is changed and displayed such that the position of the character data is shifted in the above-described Fig. If the effect menu 211, the font menu 212 and the color menu 213 are selected while the date item 271 is touched, an effect can be set on the date item 271, which is described above .

In this manner, the character data inputted in the photographing mode is synthesized and stored in the still image or moving image to be photographed, and in particular, effects can be set in the character data or the position can be changed to variously produce images including character data and character data have.

As described above, it is possible to capture various still images and moving images by using the combination of character data and image and the setting of effect of character data. In addition, the portable terminal and its control method according to the present invention are not limited to the configuration and method of the embodiments described above, but the embodiments can be applied to all or a part of each embodiment Some of which may be selectively combined.

Meanwhile, the present invention can be embodied as a processor-readable code on a processor-readable recording medium such as a mobile station modem (MSM). The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium readable by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and also a carrier wave such as transmission over the Internet. In addition, the processor readable recording medium may be distributed over networked computer systems so that code readable by the processor in a distributed manner can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

1 is a block diagram of a portable terminal according to an embodiment of the present invention;

2 is a front perspective view of a mobile terminal according to an embodiment of the present invention,

3 is a rear perspective view of a portable terminal according to an embodiment of the present invention,

4 is a front view illustrating an example of a user input unit of the portable terminal according to an embodiment of the present invention.

5 is a flowchart referred to explain a control method according to character synthesis in a photographing mode of a portable terminal according to an embodiment of the present invention.

6 is a flow chart for explaining a control method according to an effect setting in a photographing mode of a portable terminal according to an embodiment of the present invention,

FIGS. 7 to 11 are views for explaining a control method according to character synthesis in a photographing mode of a portable terminal according to an exemplary embodiment of the present invention, together with a screen displayed on a display unit.

Description of the Related Art [0002]

110: wireless communication unit 120: A / V input unit

130: user input unit 140: sensing unit

150: output unit 160: memory

170: interface unit 180: control unit

Claims (18)

Displaying a preview screen when the image capture mode is set; Receiving character data and displaying the character data in a predetermined area of the preview screen; Displaying an effect setting menu for the character data in a predetermined area of the preview screen when a touch input to the character data is received; Setting an effect of at least one of a shape, a font, a color, and a date of the character data through the effect setting menu; And And when the image capturing is started, combining the character data with the captured image and storing the synthesized image. The method according to claim 1, Further comprising changing and displaying the position of the character data when the character data displayed on the preview screen is touched and dragged. The method according to claim 1, And displaying a selection guide indicating that the character data is selected when a touch input for the character data is received. delete The method according to claim 1, Wherein the effect setting menu includes a menu item for setting at least one of a shape, a font, a color, and a date. 6. The method of claim 5, And changing at least one of a shape, a font, a color, and a date of the character data according to any one of the items selected from the effect setting menu. The method according to claim 6, And displaying a date on a predetermined area of the preview screen when the date item is selected. 8. The method of claim 7, Wherein the date displayed on the preview screen is removed when the date item is reselected while the date is displayed on the preview screen. 8. The method of claim 7, When the date is touched and dragged, moving the date and displaying the date at a changed position. The method according to claim 6, And changing at least one of a shape, a font, and a color of the character data corresponding to the selected item if any one of the effect setting menus is touched for a predetermined number of times or more. delete A camera for capturing an image; A display unit including a touch screen and configured to output an image input from the camera as a preview screen when a shooting mode is set; A user input unit having a plurality of input keys for inputting character data in which at least one of a number, a character, and a symbol is combined; And Controls the display unit to display the character data in one area of the preview screen and displays an effect setting menu for the character data in a predetermined area of the preview screen when a touch input to the character data is received, And a control unit for setting at least one of the shape, font, color, and date of the character data through the setting menu, and controlling the combination of the image captured through the camera and the character data to be stored . delete delete 6. The method of claim 5, Further comprising displaying a shape setting screen for setting a shape of the character data when a menu item for setting a shape is selected from the effect setting menu. 16. The method of claim 15, In the shape setting screen, Wherein the character data is set to one of a wavy shape, an oblique shape, a trapezoid shape, and a curved shape by setting a shadow, an outline, or a shadow effect on the character data, . 16. The method of claim 15, And displaying the character data to be changed in accordance with the selected shape item when any one of the shape items included in the shape setting screen is selected in a state that the shape setting screen is displayed A method of controlling a portable terminal. 18. The method of claim 17, And outputting a preview of the selected shape item.

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